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Antibodies for
stem cell research
stemcellresearch
For Research Use Only. Not for use in diagnostic procedures. Š 2015 Thermo Fisher Scientific Inc. Find out more at thermofisher.com/antibodies
Contents
Overview of stem cells 1— 2
Pluripotent stem cells 3—7
Multipotent stem cells 8—13
Differentiation of pluripotent stem cells to
definitive endoderm, hepatocytes, and
pancreatic beta cells 14—15
Differentiation of pluripotent stem cells
to neural lineages 16—19
Appendix 20—21
Stem cells are unspecialized cells that, by definition, have
the capacity to self-renew and possess potency (Figure 1.1).
Self-renewal is defined as the ability of the stem cell to go
through multiple cycles of cell division while maintaining its
undifferentiated state (i.e., to generate daughter cells that are
identical to the mother cell). On the other hand, potency is
the ability of the stem cell to differentiate into specialized cell
types present in the body, such as neurons, liver, or muscle
cells. Until recently, there were two main commonly studied
stem cells: adult stem cells and embryonic stem cells. Adult
stem cells are considered undifferentiated and can be found
among differentiated cells in a tissue. Their primary roles are to
maintain and repair the tissue in which they are found. They are
multipotent, as they are limited to differentiating into the various
cell types within their tissue of origin. Embryonic stem cells
(ESCs) are isolated from the early preimplantation-stage embryo. Unlike adult stem cells, ESCs
can divide for a longer period in culture and have the potential to differentiate to become any cell
type found in the human body; therefore, they are called pluripotent stem cells (PSCs). Another
type of pluripotent stem cell is the induced pluripotent stem cell (iPSC). iPSCs can be generated
by reprogramming somatic cells such as skin fibroblasts. Given their unique features, pluripotent
stem cells hold tremendous potential in the areas of developmental biology, disease modeling,
drug screening, and cell therapy, more so with the development of reprogramming technologies
that enable the creation of iPSCs directly from the somatic cells of healthy or diseased donors.
Overview of stem cells
Introduction
1
Antibodies for stem cell research | Overview of stem cells
Overview of stem cells
Characterization of stem cells
With the recent technological advances, diverse stem cell lines
are derived and cultured under different conditions. Additionally,
various differentiation protocols have been developed and optimized
to generate mature functional differentiated cells from these stem
cells. There is a huge need for reliable characterization methods to
confirm the quality of the PSCs and adult stem cells, as well as their
differentiated derivatives. Current characterization practices consist
of panels of assays primarily testing fundamental properties such as
potency, analyzing the expression of key markers for cell identity,
and detecting abnormalities that can affect cell behavior and safety.
Antibody-based detection methods such as immunocytochemistry and
flow cytometry are commonly used. The high quality of the antibodies
is one of the key factors contributing to the success and rapid progress
of stem cell research. We offer a comprehensive library of primary
antibodies for stem cell research. The objective of this handbook is to
provide an overview of information relevant to the field and to provide
stem cell scientists with antibody resources and protocols to aid
their research.
What Is a stem cell?
Replicate itself and...
A single cell that can:
...differentiate into
many cell types.
Figure 1.1. Definition of a stem cell.
Antibodies for stem cell research | Overview of stem cells
2
As mentioned earlier, human pluripotent stem cells
(PSCs) are characterized by their ability to renew
themselves indefinitely and, when exposed to the right
microenvironment, differentiate into almost any cell type
found in a human body. Two commonly studied PSCs are
embryonic stem cells (ESCs) and induced PSCs (iPSCs)
(Figure 2.1). Human ESCs are isolated from the inner cell
mass of the blastocyst stage of a developing embryo.1
iPSCs are similar or equivalent to ESCs but are generated
via ectopic expression of reprogramming factors such as
OCT3/4, KLF4, SOX2, and c-MYC to reprogram adult
somatic cells.2,3
iPSCs have revolutionized stem cell
research by simplifying the derivation of patient stem
cells that can then be used to generate relevant cell
types to model diseases in a dish. These models can be
valuable in defining the mechanisms of disease pathology
and can consequently play a vital role in the identification
of therapeutic targets and drug discovery. The unlimited
supply of iPSCs that can be directed to become
functionally mature cells also holds great promise
as source materials for cell therapies that address a
variety of diseases such as diabetes, liver diseases, and
Parkinson’s and Alzheimer’s diseases.
Introduction
Induced Pluripotent
Stem Cells
Embryonic Stem Cells
Healthy or diseased individual
Somatic cells
(such as skin fibroblasts)
Self-renewal
Fertilized
egg
Development
Morula
Blastocyst
(64 to 200 cell stage)
Trophoblasts
Inner cell
mass
Propagation
in culture
Embryonic
stem cells
Differentiation
Heart muscle cells
Blood cells
Neurons
Hepatocytes
Pancreatic
beta cells
Intestinal cells
Differentiation
Addition of
reprogramming
factors
(such as Oct4,
Sox2, c-Myc
and KLF4)
Induced
pluripotent
stem cells
Self-renewal
Figure 2.1. Derivation of induced pluripotent stem cells and embryonic stem cells.
Pluripotent stem cells
Antibodies for stem cell research | Pluripotent stem cells 3
Characterization of pluripotent stem cells
To maintain the undifferentiated stem cell state, both iPSCs and ESCs
require the expression of key transcription factors such as Nanog
and OCT4.4
These transcription factors can regulate genes that are
important for cell division, differentiation, and development. In addition
to these transcription factors, a specific set of cell surface proteins such
as TRA-1-60, TRA-1-81, SSEA3, and SSEA4 are typically expressed
by the PSCs. Detection of the presence of these markers is one of the
first steps in characterizing newly-derived iPSC and ESC lines. Specific
cell staining can be achieved using antibodies against these established
pluripotency markers (Table 2.1).
Live cell immunostaining. Cell surface proteins can be stained
quickly with dye-conjugated antibodies while cells are kept in culture.
Figure 2.2 shows an example of live cell immunostaining of a PSC
surface marker TRA-1-60 on an iPSC colony growing on a feeder layer
of irradiated mouse embryonic fibroblasts (MEFs). CD44, a surface
protein expressed in many differentiated cells, including MEFs, is absent
in PSCs. The positive staining of TRA-1-60 and negative staining of
CD44 can be used to confirm that a newly derived iPSC colony is
fully reprogrammed.
Pluripotent stem cells
Figure 2.2. Live cell immunostaining using dye-conjugated primary
antibodies. Surface marker analysis of iPSCs cultured on a mouse embryonic
fibroblasts feeder layer using Invitrogen™
Alexa Fluor™
594–conjugated anti-
TRA-1-60 (Cat. No. A24882, red) and Invitrogen™
Alexa Fluor™
488–conjugated
anti-CD44 (Cat. No. A25528, green, negative control). Imaging was performed
following a media exchange into Gibco™
FluoroBrite™
DMEM.
Table 2.1. Key markers expressed in pluripotent stem cells.
Target Antibody Cat. No. (clone number) Applications
OCT4/
POU5F1
A13998, MA1-104 (9B7), MA1-104-D488
(9B7), MA1-104-D550 (9B7), MA1-104-HRP
(9B7)
ICC, flow,
WB
SSEA-4 MA1-021 (MC813-70), MA-1021-D488
(MC813-70), MA1-021-D550 (MC813-70),
MA1-021-D650 (MC813-70), MA1-021-PE
(MC813-70)
ICC/IF, flow
TRA-1-60 411000 (cl.A), MA1-023 (tra-1-60), MA1-
023-D488 (tra-1-60), MA1-023-D550 (tra-
1-60), MA1-023-D650 (tra-1-60), MA1-023-
HRP (tra-1-60), MA1-023-PE (tra-1-60)
ICC/IF, flow,
WB
TRA-1-
81
411100 (cl.26), MA1-024 (tra-1-81), MA1-
024-D488 (tra-1-81), MA1-024-D550 (tra-1-
81), MA1-024-D650 (tra-1-81), MA1-024-HRP
(tra-1-81), MA1-024-PE (tra-1-81)
ICC, flow,
WB
NANOG MA1-017 (23D2-3C6), MA1-017-D488
(23D2-3C6), MA1-01-7D550 (23D2-3C6),
MA1-017-D650 (23D2-3C6), MA1-017-HRP
(23D2-3C6), PA1-097
ICC, flow,
WB
SOX2 48-1400 (20G5), MA1-014 (20G5), MA1-
014-D488 (20G5), MA1-014-D550 (20G5),
MA1-014-D650 (20G5), MA1-014-HRP
(20G5), PA1094
ICC, flow,
WB, IP, ChIP
LIN28 MA1-016 (14E6-4E6), MA1-016-D488
(14E6-4E6), MA1-016-D550 (14E6-4E6),
MA1-016-D650 (14E6-4E6), MA1-016-HRP
(14E6-4E6), PA1-096
ICC, flow,
WB
SSEA-1 MA1-022 (MC-480), MA1-022-D488
(MC-480), MA1-022-D550 (MC-480), MA1-
022-D650 (MC-480), MA1-022-PE (MC-
480), 18-0122 (MY-1), 41-1200, MHCD1501
(VIMC6), MHCD1504, MHCD1528, MHCD1530
Flow , ICC/IF
c-MYC MA1-980 (9E10), 700648 (27H46L35),
13-2500 (9E10), 13-2511 (9E10), A21280
(289-19510), A21281, AHO0052 (9E11)
ICC, flow,
IHC, WB,
ELISA
SSEA-3 41-4400 (MC-631), MA1-020 (MC-631),
MA1-020-D488 (MC-631), MA1-020-D650
(MC-631), MA1-020-PE (MC-631)
ICC/IF, flow
SSEA-5 MA1-144 (8E11), MA1-144-D488 (8E11),
MA1-144-D550, MA1-144-D650488 (8E11),
MA1-144-D755 (8E11), MA1-144-PE(8E11)
ICC, flow,
WB
REX1 701159 (14H16L9), 710190 (14HCLC) ICC, ChIP,
WB
KLF4 PA1-095 WB, ICC
DNMT3b PA1-884 WB, IHC
Phase
CD44
TRA-1-60
Merge
Antibodies for stem cell research | Pluripotent stem cells
4
Figure 2.3. Immunofluorescence analysis of NANOG and LIN28 in human
ESC H9 line and SOX2 in human iPSC HEL11.4 line. Cells grown in a feeder-free
culture were stained with anti-NANOG monoclonal antibody (Cat. No. MA1-017),
anti-LIN28 monoclonal antibody (Cat. No. MA1-016) and anti-SOX2 monoclonal
antibody (Cat. No. MA1-014) followed by Thermo Scientific™
DyLight™
488 goat
anti-mouse (Cat. No. 35502, green). Nuclei were stained with
DAPI (Cat. No. D1306).
Figure 2.4. Co-staining of SSEA3, NANOG and OCT4 in iPSCs using
dye-conjugated primary antibodies. Human iPSC Ad1 cells grown on vitronectin
were fixed, permeabilized and stained with Thermo Scientific™
DyLight™
488
conjugated anti-SSEA3 (Cat. No. MA1-020-D488), Thermo Scientific™
DyLight™
550 conjugated anti-Nanog (Cat. No. MA1-017-D550) and Thermo Scientific™
DyLight™
650 conjugated anti-OCT4 (Cat. No. MA1-104-D650). Nuclear DNA was
stained with DAPI.
OCT4
SSEA3 Nanog
DAPI Figure 2.5. Flow cytometry analysis of TRA-1-60 and NANOG in human
ESC H9 line and SSEA4 and SOX2 in human iPSC line HEL11.4 grown in
feeder-free culture. Cells were positively stained using anti-TRA-1-60
(Cat. No. MA1-023), anti-NANOG (Cat. No. MA1-017), anti-SSEA4
(Cat. No. MA1-021) and anti-SOX2 monoclonal antibody (Cat. No. MA1-014).
Sox2
(MA1-014)
Isotype
control
NANOG
(MA1-017)
Isotype
control
SSEA4
(MA1-021)
Isotype
control
Isotype
control
TRA-1-60
(MA1-023)
Flow cytometry. Whereas the staining and imaging approaches above
are qualitative, flow cytometry provides a quantitative measure of how
many cells are expressing the markers and at what intensity, revealing
any downregulation of the markers, or heterogeneity in the population. It
is most common to perform flow cytometry using surface markers such
SSEA4 and TRA-1-60, but it is also possible to perform flow cytometry
using nuclear markers such as Nanog and SOX2 when using fixed and
permeabilized cells (Figure 2.5).
Analyzing PSCs and confirming the presence of self-renewal gene
products or the absence of somatic gene products is important, but
not sufficient, for verifying the functional pluripotency of a PSC line. The
other critical test is to confirm the ability of the PSCs to differentiate into
cells of the three embryonic germ layers: ectoderm, mesoderm, and
endoderm (Figure 2.6). This can be accomplished through both in vivo
and in vitro approaches.
Fixed cell immunostaining. To increase confidence in the quality of
an iPSC clone, it is recommended to confirm the expression of not just
one or two, but multiple PSC markers. Because some markers such
as Oct4, Nanog, Lin28, and Sox2 are intracellular proteins, staining for
these markers requires fixation and permeabilization (Figure 2.3). Using
dye-conjugated primary antibodies against these markers and other
PSC markers (Table 2.1) bypasses the secondary antibody staining
step, saving experiment time and cost and allowing multiplex staining
(Figure 2.4).
Pluripotent stem cells
Antibodies for stem cell research | Pluripotent stem cells 5
ESCs
iPSCs
Embryoid body
Ectoderm
(external layer)
Endoderm
(internal layer)
Mesoderm
(middle layer)
Neural
cells
Pigment
cells
Skin
cells
Pancreatic
cells
Liver
cells
Lung
cells
Smooth
muscle
cells
Red
blood
cells
Kidney
cells
Skeletal
muscle
cells
Cardiac
muscle
cells
Figure 2.6. Both iPSC and ESC can form embryoid bodies (EBs) when cultured in suspension in the absence of bFGF. EBs can spontaneous
differentiate towards the three germ layers which can be further developed into various differentiated cell types.
Pluripotent stem cells
Teratoma formation. When working with mouse PSCs, it is possible
to evaluate differentiation potential through a number of in vivo assays
such as tetraploid complementation, chimera generation, and germ
line transmission. Because these are not viable options for human
cells, human PSCs are instead injected into mice and allowed to form
teratomas that are analyzed to confirm trilineage differentiation. As an
in vivo assay that allows the differentiation of cells under physiological
conditions, teratoma formation is considered the gold standard for
evaluating PSC differentiation potential. However, it is not always
performed because it is labor intensive, takes about 6 to 12 weeks to
complete, and is associated with a high animal-testing burden.
Embryoid body (EB) formation. The more common alternative
to teratoma formation is EB formation, an in vitro assay involving the
spontaneous differentiation of PSCs into the three germ lineages over
7 to 21 days. Although differentiation occurs under nonphysiological
conditions, EB formation has the advantage of being faster, less
laborious, and easier to analyze. Common markers for analyzing
differentiation in EBs include smooth muscle actin (SMA) for mesoderm,
the primitive hepatocyte marker Îą-fetoprotein (AFP) for endoderm, and
the neuronal marker beta-III tubulin (TUBB3), for ectoderm
(Figure 2.7). Immunofluorescence using this set of germ layer markers
is particularly advantageous, in that each of these markers is not only
preferentially expressed in certain cell lineages, but each marker also
displays a distinguishing cellular localization pattern that serves as
an extra measure of visual confirmation. For example, anti-TUBB3
staining is typically brightest for elongated cells with characteristic
neuronal-like projections. Cells that robustly express SMA display lined
patterns of actin filament staining. These cells are often found in large
layered groupings or occasionally as isolated large cells with a fish-gill
appearance. Anti-AFP staining commonly identifies tight clusters of
cells, each with a pronounced “ring”-like staining pattern around the
nucleus. Many other markers have also been used to characterize each
germ layer, for instances, PDX1 and Sox17 for endoderm, Sox1 and
Otx2 for ectoderm, and NKX2.5 and PDGFRa for mesoderm
(Table 2.2).
Antibodies for stem cell research | Pluripotent stem cells
6
Figure 2.7. Embryoid body trilineage staining. Embryoid bodies (EB) were
generated from Gibco™
Human Episomal iPSC Line grown on Gibco™
Geltrex™
in
Gibco™
Essential 8™
Medium. After 3 weeks in culture, EB were dissociated with
Gibco™
TrypLE™
and re-plated onto Geltrex-coated multiwell plates. Cells were
fixed, permeabilized and blocked for immunostaining. Primary antibodies (Beta III
tubulin, MA1-118; SMA, MA5-11547 and AFP, 180003) were added overnight at
4°C at a 1:100 dilution. After 3 washes, appropriate secondary antibodies labeled
with Alexa Fluor™
488 were added at a 1:500 dilution in conjunction with NucBlue™
Fixed Cell Ready Probes™
Reagent. After another 3 washes, the cells were imaged
on EVOS™
FLoid™
Cell Imaging Station.
Mesoderm (SMA)
Ectoderm (Beta III Tubulin) Endoderm (AFP)
References
1. Thomson JA, Itskovitz-Eldor J, Shapiro SS et al. (1998) Embryonic stem cell lines derived from human
blastocysts. Science 282(5391):1145–1147.
2. Takahashi K, Yamanaka S (2006) Induction of pluripotent stem cells from mouse embryonic and adult fibroblast
cultures by defined factors. Cell 126(4):663–676.
3. Yu J, Vodyanik MA, Smuga-Otto K et al. (2007) Induced pluripotent stem cell lines derived from human somatic
cells. Science 318(5858):1917–1920.
4. Pan GJ, Thomson JA (2007) Nanog and transcriptional networks in embryonic stem cell pluripotency.
Cell Res 17(1):42–49.
Table 2.2. Representative three germ layer markers.
Germ
layer
Target
Antibody product number
(clone number)
Mesoderm Smooth
Muscle Actin
MA5-11544 (1A4 (asm-1)),
MA5-11547, PA5-16697, 701457
(17H19L35), 710487 (17HCLC),
18-0106 (1A4), MA1-744 (mAbGEa)
ABCA4 P21933 (3F4)
NKX2.5 701622 (4H5L9), 710634 (4HCLC)
PDGFRa 701142 (7H13L1), 710169 (7HCLC),
PA5-16571, PA5-16742
Endoderm Alpha Feto-
protein (AFP)
710486 (9HCLC), 18-003 (ZSA06),
MA5-1275 (C3), MA5-14665
(F1-6P2A8-P2B9A9), MA5-14666
(P5B8), PA5-16658, PA5-16801
KLF5 42-3200
GATA4 PA1-102
GATA6 PA1-104
PDX-1 PA3-830
Ectoderm Beta III
Tubulin
MA1-118 (2G10)
PAX3 701147, 710178, 38-1801
SOX1 PA5-23351, PA5-23370
OTX2 MA5-15854 (1H12C4B5),
MA5-15855 (1H12G8B2),
PA5-23406, PA5-29914
Pluripotent stem cells
Antibodies for stem cell research | Pluripotent stem cells 7
As with all stem cells, multipotent stem cells are unspecialized cells that have the ability to self-
renew for long periods of time and differentiate into specialized cells with specific functions.
Unlike pluripotent stem cells (PSCs), multipotent stem cells are limited in their ability to
differentiate into different cell types. The derived differentiated cells are also limited in number.
Hence, adult stem cells, more accurately called somatic stem cells, are considered multipotent
because their specialization potential is limited to one or more cell types. For examples,
multipotent stem cells in bone marrow can give rise to all blood cell types, and neural stem cells
in brain can give rise to glial and neuronal cells, but not other cells. However, a multipotent stem
cell known as a mesenchymal stem cell (MSC) can give rise to several cell types. This particular
stem cell has been found to give rise to bone, muscle, cartilage, fat, and other similar tissues.
Adult stem cells are found in a stem cell niche in various tissues such as brain, teeth, bone
marrow, peripheral blood, skeletal muscle and testis (Figure 3.1). Adult stem cells can remain
quiescent (nondividing) for long periods of time until they
are activated by a normal need for more cells to maintain
tissues, or by disease or tissue injury requiring repair.
For many years, adult stem cells have been used in the
treatment of leukemia via bone marrow transplantation,
and in many preclinical and clinical studies for treating
brain and spinal cord injuries.
Brain
• Neural stem cells
Bone marrow
• Hematopoietic stem cells
• Mesenchymal stem cells
Muscle and adipose tissue
• Mesenchymal stem cells
Testicles
• Testicular stem cells
Teeth
• Dental pulp stem cells
Figure 3.1. Representative adult stem cells present in various tissues.
Introduction
Multipotent stem cells
Antibodies for stem cell research | Multipotent stem cells
8
Mesenchymal stem cells
Mesenchymal stem cells were first harvested from marrow several
decades ago, and were shown to be likely to play diverse functions
in vitro and in vivo.1
MSCs are thought to contribute to the stem cell
niche in the marrow; contribute to smooth muscle, adipocyte, bone,
and cartilage development and repair; and generally contribute to the
parenchyma of most tissues and organs (Figure 3.2). MSCs also exert
important trophic functions by secreting a wide array of growth factors,
chemokines, and cytokines to induce cell proliferation, angiogenesis,
anti-apoptosis, and anti-inflammatory and immunomodulatory response.
Advancements in mesenchymal stem cell research are shedding light
on how these stem cells may be used in various clinical applications,
including immunomodulatory therapies (i.e., prevention of graft-versus-
host disease or treatment of Crohn’s disease) and in cell replacement
therapies for mesenchymal tissues such as bone and cartilage.
MSCs have been isolated from a variety of tissues including bone
marrow, adipose tissue, blood, dermis, placenta, umbilical cord, skeletal
muscle, and deciduous teeth. Despite the differences of these different
populations of MSCs in morphology (heterogeneity), growth, and
differentiation potential, there are certain characteristics they have in
common. According to the International Society for Cell Therapy (ISCT)
proposed criteria2
based on the characterization of in vitro cultured cells,
MSCs should express surface markers CD73, CD90, and CD105 in the
absence of CD34, CD45, CD14, HLA-DR, CD11b, and CD79a.
Cartilage
Muscles
Skin
CNS
Fat
Tendon and
ligament
Marrow
MSCs Myocytes
Chondrocytes
Fibroblasts
Astrocytes
Stromal cells
Adipocytes
Fibroblasts
Bone
Osteocytes
Figure 3.2. Differentiation potential of MSCs.
In vivo phenotypic studies revealed that MSCs are positive for CD146,
Stro-1, CD90, CD105, CD44, and CD73, and negative for CD45,
CD11b, and CD14 (Figure 3.3). We offer a comprehensive library of
primary antibodies for MSCs. This library includes antibodies to positive
and negative markers identified by the ISCT to define human MSCs
(Table 3.1).
Marker % Positive
CD73+/NEG- 98.2
CD90+/NEG- 99.6
CD105+/NEG- 100.0
CD34+ 0.2
NEG = multiplex analysis of CD14, CD19, CD45 and HLA-DR
A.
B. C.
Figure 3.3. Characterization of MSCs. (A) Human bone marrow-derived MSCs
cultured in StemPro™
MSC SFM passage 5 were analyzed using multiplex flow
cytometry revealing characteristic human MSC surface marker profile. (B)
Immunofluorescence analysis of mesenchymal stem cells using anti-STRO-1
monoclonal antibody (Cat. No. 39-8401) followed by Invitrogen™
Alexa Fluor™
488
goat anti-mouse (Cat. No. A10680, green). Actin (red) were stained with Thermo
Scientific™
DyLight™
554-phalloidin (Cat. No. 21834). (C) Immunofluorescence
analysis of human mesenchymal stem cells cultured under basal conditions using
anti-CD105 antibody (Cat. No. MHCD10500). Nuclear DNA (blue) was stained
with DAPI.
Multipotent stem cells
9
Antibodies for stem cell research | Multipotent stem cells
Multipotent stem cells
Human MSCs have the capacity to differentiate into adipocytes (fat),
chondrocytes (cartilage), and osteoblasts (bone) under appropriate
culture conditions (Figure 3.4). Bone marrow–derived MSCs also have
the capacity to differentiate into other mesoderm-derived tissues such
as myocytes (muscle cells), which express desmin, β-myosin heavy
chain, Îą-cardiac actin, and other muscle cell markers. It is known that
the Wnt/β-catenin and TGFβ/Smad pathways play key roles in the
regulation of MSC differentiation. The Wnt/β-catenin pathway is critical
in promoting osteoblast proliferation and skeletogenesis by suppression
of chondrocyte differentiation. The TGFβ pathway, however, upregulates
gene expression in MSCs to promote chondrocyte differentiation.3
Table
3.2 summarizes representative markers of different cell types that can
be derived from different mesenchymal lineages and the respective
antibodies we offer.
B. C.
Adipocyte Chondrocyte Osteoblast
A.
Figure 3.4. Multilineage mesoderm differentiation of MSCs. (A) Human
MSCs were seeded into adipogenic, chondrogenic, or osterogenic differentiation
medium for 14 days, revealing adipocytes (oil red O lipid stain), chondrocytes
(alcian blue glycosaminoglycan stain) and osteoblasts (alkaline phosphatase
stain). (B) Immunofluorescence analysis of FABP4 expression in human MSCs
cultured under adipogenic differentiating conditions. Cells were co-stained with
anti-FABP4 antibody (Cat. No. 701158) followed by Invitrogen™
Alexa Fluor™
488
goat anti-rabbit (Cat. No. A11034, green) and anti-CD36 antibody (Cat. No.
MA5-14112) followed by Alexa Fluor 594 goat anti-mouse (Cat. No. A11032,
red). (C) Immunohistochemical analysis of paraffin-embedded bone substitute
(hydroxyapatite and silicon implanted subcutaneously into sheep for 12
weeks) using anti-osteocalcin monoclonal antibody (Cat. No. MA1-20788).
Counterstained with hematoxylin.
Table 3.1. Positive and negative markers for mesenchymal stem cells.
Target
Antibody product number
(clone number)
MSC-
positive
markers
CD73 41-0200 (7G2), MA5-15537 (1D7)
CD90 (Thy-1) MA5-16683 (FF-10), MA5-17747
(5a-8), MA5-17752 (IBL-1)
CD105 MA5-11854 (SN6h), MA5-17041 (3A9),
MA1-19231 (MEM-226), MA1-19408
(MEM-229), PA5-16895, PA1-27884,
MHCD10500 (SN6)
CD44 701406 (19H8L4), 710413 (19HCLC),
MA5-12394 (5F12), MA5-13887
(156-3C11), MA5-13890 (156-3C11),
MHCD4401 (MEM-85), MHCD4404
(MEM-85), RM5704 (IM7.8.1)
CD36 MA5-14112 (185-1G2), PA1-16813,
MA1-19407 (TR9), MA5-16941 (SMØ)
Nestin MA1-110 (10C2)
STRO-1 39-8401 (STRO-1)
MSC-
negative
markers
CD11b CD11b00 (VIM12), RM2804 (M1/70.15)
CD14 MHCD1400 (TĂźK4), Q10053 (HIT2),
MA5-11394 (7)
CD19 AHS1912 (SJ25-C1), Q10379 (6D5)
CD34 RM3604 (MEC 14.7), 180227
(BI-3C5), CD3458101 (581)
CD79a MA5-11636 (JCB117), MHCD79a04
(HM47), MA5-13212 (HM47/A9),
MA5-14556 (SP18), MA5-15234
(2F11)
CD45 18-0367 (MEM28/MEM56/MEM55),
CD11208 (HI30), MA5-12795 (Bra55),
MA5-13197 (PD7/26/16 + 2B11),
MCD4500 (30-F11) MHCD4501
(HI30), MR6918 (OX-1)
HLA-DR H11212 (TĂź36)
Antibodies for stem cell research | Multipotent stem cells
10
Table 3.2. Representative markers for different cell types derived from mesenchymal stem cells.
Target Antibody product number (clone number)
Chondrocyte to
cartilage
Collagen (type II)
(COL2A1)
MA5-12786 (2B1.5), MA5-13026 (6B3), MA1-37493 (2B1.5)
Aggrecan (ACAN) MA1-34728 (MA75A95), PA1-1745, PA1-1746, MA3-16888 (BC-3), MA1-80187 (7E1), AHP0022
(969D4D11)
Dermatopontin PA5-14396
SOX9 MA5-17177 (1B11), PA1-29537
Decorin (DCN) PA1-1744
MMP13 MA5-14238 (VIIIA2), MA5-14244 (LIPCO IID1), PA5-16566, 701287 (3H13L17), 710311 (3HCLC)
Cartilage oligomeric
matrix protein (COMP)
MA1-20221 (MA37C94 (HC484D1)), PA5-19850
Annexin VI (ANXA6) PA1-37086
Adipogenic lineage PPARg2 PA1-824
Lipoprotein lipase (LPL) MA5-15503 (2C5), MA5-18055 (5D2)
Fatty acid binding
protein4 (FABP4)
701158 (2H3L2), 710189 (2HCLC)
Leptin (LEP) PA1-051, PA1-052
Adiponectin MA1-054 (19F1), PA1054, 701148 (11H4L4), 710179 (11HCLC)
Osteroblast to bone Osteocalcin (BGLAP) MA1-20786 (OC4-30), MA1-25584 (OCG2), MA1-82975 (2H9F11F8), MA1-82974 ( 8H12F910),
MA1-20788 (OCG4)
Osteopontin (SPP1) PA5-16821
RUNX2 411400 (ZR002)
PHEX PA5-21714
Myoblast fusion to
muscle
Myogenic differentiation
antigen (MYOD1)
MA5-12902 (5.8A), MA5-12907 (5.2F)
MYOG MA5-11486 (F5D), MA5-11658 (F12B)
MYL1 MA1-90701 (MY32), MA1-24940 (MY21), PA1-26470
GATA6 PA1-104
NKX2.5 701622 (4H5L9), 710634 (4HCLC)
TBX5 426500
MYH6 MA1-26180 (3-48)
Connexin 32 (GJB1) 71-0600, 13-8200 (CX-2C2), 358900 (5F9A9)
NPPA PA5-29559
GATA4 PA1-102
Transgelin (TAGLN) PA5-18252
MYH11 MA5-11648 (SMMS-1), MA5-11971 (SMM10)
ACTA2 MA5-11544 (1A4 (asm-1)), MA5-11547, PA5-16697, 701457 (17H19L35), 710487 (17HCLC),
18-0106 (1A4), MA1-744 (mAbGEa)
Calponin (CNN1) MA5-11620 (CALP), MA5-14464 (EP798Y)
Multipotent stem cells
11
Antibodies for stem cell research | Multipotent stem cells
Multipotential
stem cell
B cell
T cell
Natural
killer cell
Hematopoietic progenitor
stem cell
Lymphoid
progenitor
Myeloid
progenitor
Red blood cell
Platelet
producer cell
Basophil
Neutrophil
Eosinophil
Monocytes
Multipotent stem cells
Hematopoietic stem cells
Hematopoietic stem cells (HSCs) are multipotent stem cells that give
rise to all of the cell types in the blood, including B and T lymphocytes,
natural killer cells, dendritic cells, monocytes, platelets, and erythrocytes
(Figure 3.5). Pertubations of hematopoiesis have been linked to
various diseases such as leukemia, lymphomas, and anemia. HSC
transplantation and hematopoietic cell transfusion have been widely
used clinically to treat leukemia and other types of hematological
diseases. HSCs can be found in the bone marrow, peripheral blood,
and umbilical cord blood. The shortage of human leukocyte antigen–
matched donors and the limited number of transplantable cells impede
the use of HSCs for therapy. Recent advances in reprogramming
technologies and hematopoietic differentiation from human PSCs have
opened novel opportunities to study hematopoietic development, model
hematological diseases, and manufacture immunologically matched
cells for transplantation and cancer therapy.4
Figure 3.5. Schematic diagram of hematopietic stem cell development.
Despite the fact that protocols for the generation of HSCs from
PSCs are still being optimized, hematopoietic cell differentiation from
human PSCs shares similar differentiation stages to in vivo embryonic
hematopoiesis (Figure 3.6). Briefly, mesoderm induction to generate
cells expressing primitive mesoderm markers, such as Brachyury,
APLNR, and KDR, is followed by hematopoietic specification leading
to the generation of hematovascular mesodermal precursor cells
expressing GATA2 and SCL, and the emergence of hematopoietic stem
cells expressing CD34, hematopoietic progenitor cells (HPCs) with
upregulation of CD43, and mature hematopoietic cells (Table 3.3).
HSCs are small, nonadherent cells that are difficult to purify or visualize
by microscopy. In their quiescent state, typically, HSCs are identified
by flow cytometry using 10–14 antibody panels targeting various cell
surface antigens. For examples, mouse HSCs are defined by Lin–
(lineage marker), Sca-1+
(a putative marker of stem and progenitor
cells), cKit/CD117+
(SCF receptor), and Tie-2+
(a tyrosine kinase receptor
expressed in endothelial and hematopoietic cells), whereas human
HSCs are marked by CD34+
, CD59+
, Thy1/CD90+
, CD38lo/–
, cKit/
CD117+
, Lin–
, and CD43+
(Figure 3.7 and Table 3.3).
Source
In vitro
Maintenance/development
In vivo
Mesoderm emergence
Inner cell mass
Hematopoietic lineage commitment
Inner cell mass
Yolk sac
Somatic cells iPS cell
ES cell
Mesodermal
cell
Mesodermal
cell
HoxB4
HSC
HPC Mature
HC
HSC HPC Mature
HC
Aorta-gonad-mesonephros
Placenta
Fetal liver
Bone marrow
Figure 3.6. Schematic representations of hematopoietic development from PSCs
in vitro and in vivo.
Antibodies for stem cell research | Multipotent stem cells
12
Table 3.3. Representative markers for hematopoietic lineage.
Cell type Target Antibody product number (clone number)
Mesoderm APLNR PA5-33343
KDR (FLK1) 360900, 392400 (ZV001), 441053G, PA5-16487
Hematovascular mesodermal precursors SCL/TAL-1 PA5-30586
GATA2 710242 (11HCLC), PA1-100
RUNX1 701202 (3H2L6), 710233 (3HCLC)
Angiogenic hematopoietic progenitors CD235a (Glycophorin A) MA5-12484 (JC159), MHGLA01 (CLB-ery-1 (AME-1)
Hematopoietic progenitors CD43 MA5-12194 (MDF-T1), MA5-13923 (84-3C1), MA1-34375 (MT-1),
MA5-16978 (W3/13)
Hematopoietic stem cells CD34 RM3604 (MEC 14.7), 180227 (BI-3C5), CD3458101 (581)
cKIT/CD117 700135, 701494, 710523, 180384, 348800, CD11700, PA5-16458,
PA5-16770, RM6221
CD90 (THY-1) MA5-16683 (FF-10), MA5-17747 (5a-8), MA5-17752 (IBL-1)
CD49f (Integrin a6) 701178 (5H14L18), 710209 (5HCLC)
CD3e 070303, 080102, 180102, CD11213, CD11216, HM3401, MA5-13349 (SP1),
MA5-14482 (EP449E), MHCD0300, etc
CD45 18-0367 (MEM28/MEM56/MEM55), CD11208 (HI30), MA5-12795 (Bra55),
MA5-13197 (PD7/26/16 + 2B11), MCD4500 (30-F11) MHCD4501 (HI30),
MR6918 (OX-1)
Ly6A/E (SCA-1) MA1-70082 (D7), MA5-17833 (CT-6A/6E), A18486 (D7)
Negative marker CD38 MA5-14413 (38C03 (SPC32)), MHCD3801 (HIT2)
B. C.
Adipocyte
Cell: peripheral blood lymphocytes
Concentration: 0.5 Âľg/test (100 ÂľL)
Cell: R.bone marrow
Concentration: 1 Âľg/test (100 ÂľL)
A.
References
1. Murphy MB, Moncivais K, Caplan AI (2013) Mesenchymal stem cells: environmentally responsive therapeutics for
regenerative medicine. Exp Mol Med 45:e54.
2. Dominici M, Le Blanc K, Mueller I et al. (2006) Minimal criteria for defining multipotent mesenchymal stromal
cells. The International Society for Cellular Therapy position statement. Cytotherapy 8(4):315–317.
3. Williams AR, Hare JM (2011) Mesenchymal stem cells: biology, pathophysiology, translational findings, and
therapeutic implications for cardiac disease. Circ Res 109(8):923–940.
4. Lim WF, Inoue-Yokoo T, Tan KS et al (2013) Hematopoietic cell differentiation from embryonic and induced
pluripotent stem cells. Stem Cell Res Ther 4(3):71.
Figure 3.7 (A) Ly-6A/E Monoclonal Antibody, PE Conjugate (D7). Flow cytometry of C57BL/6 mouse bone marrow cells using anti-mouse Ly-6A/E PE antibody
(Cat. No. A18486) and anti-mouse CD117 (c-Kit) APC (Cat. No. A18622). (B) CD43/SPN Monoclonal Antibody (DF-T1). (Left) Flow cytometry analysis of PBMC
(peripheral blood mononuclear) cells labeled with CD43/SPN monoclonal antibody (Cat. No. MA5-12194) (green) compared to an isotype control (blue). (Right)
Immunohistochemical analysis of formalin-fixed, paraffin-embedded human tonsil tissues using anti-CD43/SPN monoclonal antibody (Cat. No. MA5-12194). Note
cell membrane staining of T lymphocytes. (C) CD325a/Glycoprotein A Monoclonal Antibody (JC159). Flow cytometry analysis of rat bone marrow cells labeled
with anti-CD235a/glycophorin A monoclonal antibody (Cat. No. MA5-12484) (blue). Isotype control is also shown (green).
Multipotent stem cells
13
Antibodies for stem cell research | Multipotent stem cells
As mentioned in an earlier section, one of the key applications of
pluripotent stem cells (PSCs) is cell therapy. Chronic liver disease and
diabetes are fast-growing diseases that affect over 600 million and
300 million people worldwide, respectively. Given that there is a steady
increase in the demand for transplantable tissues together with the
scarcity and low quality of the donor cells, PSC-derived transplantable
liver and beta cells hold great promise for the treatment of affected
people. Despite challenges in generating functional mature liver and
pancreatic beta cells from PSCs in vitro, sequential differentiation
strategies have been recently reported that allowed for generation
of functional glucose-responsive insulin-secreting beta cells1,2
and
hepatocyte-like cells that have some hepatic activities.3
PSCs are first
induced to generate definitive endoderm that contains a large number
of cells expressing SOX17, FOXA2, and CXCR4 (Figure 4.1 and Table
4.1). For the pancreatic lineage, definitive endoderm gives rise to
primitive gut tube (HNF1b+
/FoxA2+
), posterior foregut (PDX1+
/HNF6+
/
SOX9+
), and then pancreatic endoderm that contains early pancreatic
progenitors (PDX1+
/NKX6.1+
). PDX1 (a pancreatic homeodomain
transcription factor) (Figure 4.2) and NKX6.1 (a homeobox transcription
factor) are key markers for multipotent pancreatic progenitors that
give rise to pancreatic endocrine precursors that first express NGN3,
which then induces the expression of NEUROD1 and NKX2.2. PDX1+
/
NKX6.1+
/NEUROD1+
endocrine cells then differentiate to immature beta
cells that are insulin+
/glucagon–
/somatostatin–
, and finally to mature beta
cells that also express mature beta cell markers such as UCN3, MAFA,
and C-peptide. These PSC derived beta cells are reported to secrete
insulin and flux Ca2+
in response to glucose stimulation, suggesting
that these are functional beta cells. For the hepatic lineage, induced
PSC (iPSC)-derived hepatocyte-like cells (iHLCs) can be generated via
step-wise differentiation from definitive endoderm to become foregut
hepatic specified endoderm (HHEX+
, HNF1B+
, and FOXA2+
) and then
hepatoblasts (Îą-fetoprotein+
, CK14+
, and Prox1+
), before maturing into
iHLCs expressing prototypical hepatocyte markers such as albumin,
Îą1-antitrypsin, and Îą-fetoprotein (Figure 4.1 and Table 4.1). Unlike
mature human hepatocytes, iHLCs have lower expression of key
detoxification enzymes such as CYP3A4 and 2A6. Strategies are being
developed to further mature iHLCs to become functional hepatocytes.
Pluripotent stem cell differentiation
Definitive endoderm, hepatocytes and pancreatic beta cells
Oct4
SSEA4
TRA-1-60
TRA-1-81
PSCs
FOXA2+
SOX17+
CXCR4+
Definitive
endoderm
Stage 1
FOXA2+
HNF1B+
Primitive
gut tube
Stage 2
PDX1+
HNF6+
SOX9+
Posterior
foregut
Stage 3
PDX1+
NKX6.1+
SOX9+
Pancreatic
endoderm
Stage 4
PDX1+
NKX6.1+
NEUROG3+
Pancreatic
endocrine
precursors
Stage 5
PDX1+
NKX6.1+
NEUROD1+
Immature
beta cells
Stage 6
PDX1+
NKX6.1+
NEUROD1+
Maturing
beta cells
Stage 7
Foregut
endoderm
AFP
CK14
Prox1
TBX3
Hepatic
endoderm
(hepatoblasts)
Albumin
AAT
APOF
HNF4A
Cyp3A4
UGT1A
Hepatocyte-like
cells
HNF1B
HHEX
FoxA2
Insulin+
Glucagon–
NKX2.2+
NEUROD1+
NKX2.2+
MAFA+
Insulin+
Glucagon–
UCN3+
C-peptide+
Figure 4.1. Schematic diagram of in vitro PSC differentiation to generate beta cells
and hepatocyte-like cells.
Antibodies for stem cell research | Pluripotent stem cell differentiation—Definitive endoderm, hepatocytes and pancreatic beta cells
14
References
1. Rezania A, Bruin JE, Arora P et al. (2014) Reversal of diabetes with insulin-producing cells derived in vitro from
human pluripotent stem cells. Nat Biotechnol 32(11):1121–1133.
2. Pagliuca FW, Millman JR, Gurtler M et al. (2014) Generation of functional human pancreatic β cells in vitro. Cell
159(2):428–439.
3. Schwartz RE, Fleming HE, Khetani SR, Bhatia SN (2014) Pluripotent stem cell–derived hepatocyte-like cells.
Biotechnol Adv 32(2):504–513.
Figure 4.2. Analysis of PDX-1 expression using PDX-1 antibody (PA3-830).
(A) Western blot of PDX-1 in human pancreatic cancer cells MIA-1, PANC-1 and
CAPAN-1 using PDX-1 antibody (Cat. No. PA3-830). (B) Immunohistochemistry
was performed on normal biopsies of deparaffinized human pancreas tissue
using the PDX-1 antibody or without primary antibody (negative control). (C)
Immunofluorescent staining of PDX-1 in mouse islet cells using PA3-830 and
counterstaining (merge) with insulin. The PA3-830 antibody recognizes both
cytoplasmic and nuclear proteins. Formalin-fixed tissues can cause high background,
so counterstaining with another antibody which is mainly expressed in the cytoplasm
(i.e., insulin) is recommended.
Table 4.1. Representative definitive endoderm and pancreatic and hepatic lineage markers.
Cell type Target Antibody product number (clone number)
Definitive endoderm FOXA2 MA5-15542 (7H4B7), A16568
SOX17 PA5-23352, PA5-23852
CXCR4 358800 (12G5), PA3305, PA516529
cKIT 700135 (53H8L29), 701494 (HC34LC14), 710523 (2HCLC), 180384 (2E4),
348800, CD11700 (104D2) PA5-16458, PA5-16770, RM6221 (2B8)
GATA4 PA1-102
GATA6 PA1-104
Pancreatic lineage PDX1 PA3830
Negative surface marker
(polyhormonal endocrine cells,
not pancreatic progenitors)
Chromogranin A MA513096 (LK2H10), MA513281 (PHE5), MA514536 (SP12), PA516685, 180094
Beta cells Insulin MA5-12029 (INS04 (E2-E3)), MA5-12037 (INS05 (2D11-H5)), MA5-12042 (INS04
+ INS05), 701265 (19H4L12), 710289 (19HCLC)
Negative markers Somatostatin PA5-16253
Negative markers Glucagon 701296 (24H1L3), 710316 (3HCLC), 710320 (24HCLC)
Hepatic lineage HNF1B PA1-24459
alpha Fetoprotein 710486 (9HCLC), 18-003 (ZSA06), MA5-1275 (C3), MA5-14665 (F1-6P2A8-
P2B9A9), MA5-14666 (P5B8), PA5-16658, PA5-16801
PROX1 P21936 (5G10)
CK14 MA5-11596 (LL002), PA5-16722
Albumin (ALB) MA5-14698 (1E1), MA5-14717 (10C7), MA5-14718 (12D12), MA5-14677 (2B12),
PA5-16600
AAT MA5-14661 (TMF1#4B5), MIA1102 (TMF1#2-1D1), MA5-15521 (2B12)
Cytochrome P450 3A4 PA1-343
Cytochrome P450 3A4 +
3A5
MA3-032 (F24 P2 B10)
B. C.
A.
Pluripotent stem cell differentiation
Definitive endoderm, hepatocytes and pancreatic beta cells
15
Antibodies for stem cell research | Pluripotent stem cell differentiation—Definitive endoderm, hepatocytes and pancreatic beta cells
Recent advances in our understanding of stem cell biology,
neuroscience, and reprogramming technologies have opened up new
avenues of research for developing potential treatments for incurable
neurodegenerative diseases and neuronal injuries.1
Because stem cells
have the capacity to self-renew and generate differentiated cells, stem
cell replacement therapy for central and peripheral nervous system
disorders and injuries strives to repopulate the affected neural tissue
with neurons and other neural cells. One of the main strategies toward
this end aims to recapitulate the normal development of the nervous
system by activating the endogenous regenerative capacity of the
neural stem cells, or by transplanting neural or embryonic cells.
Mammalian neurogenesis begins with the induction of neuroectoderm,
which forms the neural plate and then folds to give rise to the neural
tube. These structures are made up by a layer of neuroepithelial
progenitors (NEPs). NEPs can be rapidly turned into primitive neural
stem cells (NSCs).2
NSCs are self-renewing, multipotent progenitors
present in the developing and adult mammalian central nervous system.
NSCs and neural progenitor cells are present throughout development
and persist in the adult nervous system. Multiple classes of NSCs
have been identified that differ from each other in their differentiation
abilities, their cytokine responses, and their surface antigen
characteristics. NSCs derived in vitro from pluripotent stem cells (PSCs)
are characterized by the expression of a specific set of markers such
as transcription factors SOX1, SOX2, PAX6, and type VI intermediate
filament protein Nestin (Figure 5.1). SOX1 is involved in triggering early
neurogenesis and functions to maintain NSCs in an undifferentiated
state. SOX2 is a key transcription factor that maintains the self-renewal
properties of both PSCs and NSCs. PAX6 serves as a neuroectoderm
marker during early neurogenesis. Once NSCs are established, if they
continue to express PAX6, they may be restricted to specific neuronal
subtype fates.3
Nestin is also expressed during early development of the
CNS, then disappears upon differentiation of NSCs into mature neurons
or glial cells.
During neural differentiation, NSCs undergo progressive lineage
restrictions (Figure 5.2) leading to the generation of glial progenitors
(CD44+
/A2B5+
) that can become astrocytes (GFAP+
) (Figure 5.3) and
oligodendrocytes (Galc+
and O4+
). The other branch of the lineage
restriction is the neuronal path leading to various types of neurons
(Figure 5.4) such as dopaminergic (DA) (Figure 5.5), GABAergic
(GABA) (Figure 5.6), and motor neurons. The progress in developing
methodologies for NSC isolation, their derivation from PSCs, and
expansion in vitro has made it possible to use NSCs as promising
tools for basic developmental research and cell therapy.2
Various
differentiation protocols have also been developed to derive a particular
neuronal subtype directly from PSCs, such as DA neurons.4
These
approaches allow the generation of specific type of neurons that are
relevant to the disease of interest.
B.
A.
Nestin (MA1110)
Pax6 (MA1109)
Sox2 (PA1049) Overlay with DAPI
Overlay with DAPI
Isotype control
FL1-488
FL1-488 FL1-488
Isotype control
Isotype control
Pax6 (MA1109)
Nestin
Sox2
Figure 5.1. Characterization of neural stem cells derived in vitro from
iPSCs. Neural stem cells were derived from PD-3 iPSCs using Gibco™
PSC
Neural Induction Medium (Cat. No. A1647801). (A) Immunocytochemistry
analysis was done using using anti-Nestin (Cat. No. MA1-110) followed by
Thermo Scientific™
DyLight™
488 goat anti-mouse (Cat. No. 35502, green),
anti-SOX2 (Cat. No. PA1-049) followed by Thermo Scientific™
DyLight™
594 goat
anti-rabbit (Cat. No. 35560, red) and anti-Pax6 (Cat. No. MA1-109) followed
by DyLight 488 goat anti-mouse (Cat. No. 35502, green). (B) Flow cytometry
analysis was done using the same primary antibodies followed by Thermo
Scientific™
DyLight™
488 goat anti-rabbit (Cat. No. 35552).
Pluripotent stem cell differentiation
Neural lineages
Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages
16
Neural
stem cells
Nestin
Sox1
Astrocytes
Oligodendrocytes
PDGFÎą
NG2
O4
Neurons
ßIII tubulin
MAP-2
Neurofilament
DA neuron: Tyrosine hydroxylase (TH)
Serotonergic neruon: 5-HT
GABAergic neuron: GABA
Motor neuron: Choline acetyltransferase (ChAT)
GalC
CNPase
MBP
PSA-NCAM
A2B5
CD44
Neuronal
progenitor
Glial
progenitor
PSCs
Multipotent
progenitor
Lineage restricted
progenitor
ESCs
iPSCs
GFAP
Figure 5.2. Differentiation paths of PSCs to neural lineages.
CD44/GFAP/DAPI
Figure 5.3. Immunofluoresence analysis of glial progenitors and astocytes
using CD44 and GFAP antibodies. PD-3 NSCs were induced with glial
differentiation medium for 25 days. Cells were fixed, permeabilized and co-
stained with anti-GFAP (Cat. No. 18-0063) followed by Alexa Fluor 488 goat
anti-rabbit (Cat. No. A-11034, green) and anti-CD44 followed by Invitrogen™
Alexa Fluor™
594 goat anti-mouse (Cat. No. A-11005, red). Nuclear DNA was
stained with DAPI (blue).
No Ab bIII-Tubulin Ab (MA1-118)
Human brain tissue
Figure 5.4 Beta-3 Tubulin Monoclonal Antibody (2G10). (Top) Western blot
detection of Beta-3 tubulin in various brain (mouse, rat, rabbit, pig, cow, hamster
and guinea pig), SHSY5Y (human neuroblast), and HeLa (immortalized human
cervical carcinoma) cell lysates using anti-Beta-3 tubulin monoclonal antibody
(Cat. No. MA1-118). (Bottom) Immunohistochemical analysis of de-paraffinized
human brain tissues using anti-Beta-3 tubulin monoclonal antibody
(Cat. No. MA1-118) (right) compared to control with no antibody (left).
Counterstained with hematoxylin.
Figure 5.5. Immunofluorescence analysis of DA neurons using anti-
tyrosine hydroxylase (TH) antibody. H9 ESCs were differentiated with PSC
Neural Induction Medium (Cat. No. A1647801). H9 ESCs were specified to
become midbrain floor plate (FP) progenitors which were further expanded and
cryopreserved. Recovered FP progenitors were then matured for an additional 14
days. Expression of TH was labeled with first antibody, anti-TH (Cat. No. P21962)
followed by second antibody Invitrogen™
Alexa Fluor™
488 goat anti-rabbit
(Cat. No. A-21206, green). Nuclear DNA was stained with DAPI (blue).
Pluripotent stem cell differentiation
Neural lineages
Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages 17
Table 5.1. Representative markers for neural lineage.
Cell type Target Antibody product number (clone number)
Neural Stem Cells PAX6 426600, MA1-109 (13B10-1A10), MA1-109-D488
SOX2 48-1400 (20G5), MA1-014 (20G5), MA1-014-D488, MA1-014-D550,
MA1-014-D650, MA1-014-HRP, PA1094
SOX1 PA5-23351, PA5-23370
Nestin MA1-110
FOXG1 PA5-26794, PA1-31654
PAX3 701147, 710178, 38-1801
Glial/Astrocytes CD44 701406 (19H8L4), 710413 (19HCLC), MA5-12394 (5F12), MA5-13887 (156-3C11),
MA5-13890 (156-3C11), MHCD4401 (MEM-85), MHCD4404, RM5704 (IM7.8.1)
GFAP 180063, 180021, 13-0300 (2.2B10), MA5-12023 (ASTRO6), PA5-1691, A21282
(131-1771), A21294, A21295
S100beta 701340 (16H24L21), 710363 (16HCLC)
OPCs/Oligodendrocytes A2B5 433110 (105)
OLIG2 P21954
NG2 37-2300 (N143.8), 37-2700 (D120.43/D4.11/N143.8/N109.6)
PDGFRa PA5-16571, PA5-16742, 701142 (7H13L1), 710169 (7HCLC)
MBP PA5-16413
APC PA5-16883
Neurons 3-tubulin MA1-118 (2G10), 480011 (38F4)
MAP2 MA5-12823 (AP20), 13-1500 (M13), MA5-12826 (AP18)
DCX 48-1200
Neuroilement pan,
H, M, L
1801717, MA12012 (3G3), MA1-2010 (DA2), MA1-2011 (3H11), 130500 (RMO-44),
130700 (RMO-270), 341000 (RMO 14.9), 131300 (RMdO-20)
DA progenitor/DA neurons OTX2 MA5-15854 (1H12C4B5), MA5-15855 (1H12G8B2), PA5-23406, PA5-29914
TH P21962
PITX3 701181 (5H10L5), 710212 (7M5HCLC), 38-2850
GABA neurons GAD2 / GAD65 398200 (ZG002), PA5-32430, PA5-22260, PA5-18369, MA5-18053 (144)
GABA PA5-32241
GAD65 and GAD67 PA1-84572
Calretinin 710559 (4HCLC), 180211, 180291 (Z11-E3), MA5-11479 (5A5), MA5-12539 (DAK
Calret 1), MA5-14540 (SP13), PA5-16681
Calbindin PA5-32284
Somastostatin PA5-16253, MA5-16987 (YC7)
Motor neuron progenitor/Motor neuron Olig1/2 P21954
NKX6.1/6.2 PA5-23070
HoxB4 PA5-23366
NGN2 PA5-34472, PA5-11892
ISL1 MA5-15515 (1H9), MA5-15516 (1B1), PA5-27789
ChAT PA1-4710, PA1-4738, PA1-9027, PA1-18313, PA5-29653
HB9 (MNX1) PA5-23407
Synapsin A6442
Pluripotent stem cell differentiation
Neural lineages
Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages
18
Despite the enthusiasm for the use of stem cells in neurological
disorders, there are significant challenges to be addressed. For
instance, systems need to be optimized to consistently produce
high quality neural subtypes. A thorough characterization of NSCs, a
better understanding of neural patterning, and the generation of all
three major cell types that constitute the central nervous system (i.e.,
neurons, astrocytes, and oligodendrocytes) (Table 5.1), as well as the
microenvironments that can support them, is crucial to increase the
likelihood of clinical success.1
References
1. Ichida JK, Kiskinis E (2015) Probing disorders of the nervous system using reprogramming approaches. EMBO J
34(11):1456–1477.
2. Gage FH, Temple S (2013) Neural stem cells: generating and regenerating the brain. Neuron 80(3):588–601.
3. Zhang X, Huang CT, Chen J et al. (2010) Pax6 is a human neuroectoderm cell fate determinant. Cell Stem Cell
7(1):90–100.
4. Kriks S, Shim JW, Piao J et al. (2011) Dopamine neurons derived from human ES cells efficiently engraft in
animal models of Parkinson’s disease. Nature 480(7378):547–551.
GABA bIII-Tub
GABA/bIII-Tub/DAPI
Figure 5.6. Immunofluorescence analysis of GABA neurons using anti-
GABA antibody. GABAergic precursor cells derived from H9 embryonic stem
cells were differentiated for 7 days and stained with antibodies against GABA
(Cat. No. PA5-32241 at 1:5000) followed by Alexa Fluor 488 goat anti-rabbit
(Cat. No. A-21206, green) and neuronal marker Beta III tubulin (Cat. No. 480011
at 1:1000) followed by Alexa Fluor 594 goat anti-mouse (Cat. No. A-11005, red).
Nuclear DNA was stained with DAPI (blue).
Pluripotent stem cell differentiation
Neural lineages
19
For Research Use Only. Not for use in diagnostic procedures. Š 2015 Thermo Fisher Scientific Inc. Find out more at thermofisher.com/antibodies
Antibodies: powerful tools for stem cell research
Our antibodies are validated by many citations worldwide, helping
you achieve superior experimental results in a wide range of antibody
applications. To access our antibody search tool and find the right
antibody for your research, go to thermofisher.com/antibodies
Table A.1. Representative publications referencing our antibodies.
Product Reference Application
CD43/SPN Mouse Monoclonal Antibody
(DF-T1) (Cat. No. MA5-12194)
Boudova L, Kazakov DV, Jindra P et al. (2006) Primary cutaneous histiocyte and neutrophil-rich CD30+
and CD56+ anaplastic large-cell lymphoma with prominent angioinvasion and nerve involvement in the
forehead and scalp of an immunocompetent woman. J Cutan Pathol 33(8):584–589.
IHC
PDX-1 Rabbit Monoclonal Antibody
(Cat. No. PA3-830)
Wang XP, Li ZJ, Magnusson J et al. (2005) Tissue microarray analyses of pancreatic duodenal
homeobox-1 in human cancers. World J Surg 29(3):334–338.
IHC
GFAP (Glial Fibrillary Acid Protein)
Rabbit Polyclonal Antibody, Concentrate
(Cat. No. 18-0063)
Jung HJ, Coffinier C, Choe Y et al. (2012) Regulation of prelamin A but not lamin C by miR-9,
a brain-specific microRNA. Proc Natl Acad Sci USA 109(7):E423–431.
IF, WB
c-Myc Mouse Monoclonal Antibody
(9E10) (Cat. No. MA1-980)
Gleyzer N, Scarpulla RC (2013) Activation of a PGC-1-related coactivator (PRC)-dependent
inflammatory stress program linked to apoptosis and premature senescence. J Biol Chem
288(12):8004–8015.
WB
Actin Smooth Muscle Mouse
Monoclonal Antibody, Biotin Conjugate
(1A4(asm-1)) (Cat. No. MA5-11544)
Rea S, Giles NL, Webb S et al. (2009) Bone marrow-derived cells in the healing burn wound—more
than just inflammation. Burns 35(3):356–364.
Flow
CD105/Endoglin Mouse Monoclonal
Antibody (SN6h) (Cat. No. MA5-11854)
Zhang X, Xu Y, Thomas V et al. (2011) Engineering an antiplatelet adhesion layer on an electrospun
scaffold using porcine endothelial progenitor cells. J Biomed Mater Res A 97(2):145–151.
Flow
CD44/H-CAM Mouse Monoclonal
Antibody (5F12) (Cat. No. MA5-12394)
Funayama K, Shimane M, Nomura H et al. (2010) An evidence for adhesion-mediated acquisition of
acute myeloid leukemic stem cell-like immaturities. Biochem Biophys Res Commun 392(3):271–276.
ICC
Abbreviations: Flow, flow cytometry; ICC, immunocytochemistry; IF, immunofluorescence; IHC, immunohistochemistry; WB, western blotting
Appendix
Antibodies for stem cell research | Appendix
20
Enzyme-linked immunosorbent assay (ELISA)
Overview of ELISA Technology
Assay Development Technical Handbook
ELISA Development and Optimization
ELISA Enzyme Substrates Selection Guide
Immunostaining
Immunostaining Guide
Cell Staining Simulation Tool
Immunofluorescence Imaging
Immunohistochemistry
Molecular Probes™
School of Fluorescence
Flow cytometry
Molecular Probes™
Flow Cytometry Products and Research Guide
Molecular Probes™
Flow Cytometry Reagent Guide and Protocols App
Fluorescence SpectraViewer
Western blotting
Overview of Western Blotting
Western Blot Workflow Selection Guide
Western Blot Chemiluminescent Substrate Selection Guide
Western Blotting Handbook and Troubleshooting Guide
Immunoprecipitation (IP)
IP with Dynabeads™
and Other Magnetic Beads
IP with Agarose and Other Resins
ChIP, RIP, and Protein-Nucleic Acid Pull-Down Magnetic Beads and Kits
Luminex assays
How Luminex™
Technology Works
Measure Multiple Signaling Proteins in a Single Microplate Well
Luminex™
FAQs
Free guide to protein analysis and
antibody purification
Image gallery
thermofisher.com/tech-library
Protocol and resource guide
Thermo Fisher Scientific Technical Support—
let our knowledge work for you
View resources by application >
thermofisher.com/us/en/home/technical-resources
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and its subsidiaries. CO36961 0615
Pluripotent Stem Cell Markers
Key markers
expressed
in pluripotent
stem cells.
Target
Antibody
product
number
(clone
number)
Applications
OCT4/POU5F
1 A13998,
MA1104
(9B7),
MA1104D48
8,MA1104D5
50, MA1104HRP
ICC, FACS,
WB
SSEA4
MA1021
(MC-813-70)
, MA1021D48
8, MA1021D55
0, MA1021D65
0, MA1021PE
ICC/IF,
FACS
TRA-1-60
411000
(cl.A),
MA1023
(tra-1-60),
MA1023D48
8, MA1023D55
0, MA1023D65
0, MA1023HRP,
MA1023PE
ICC/IF,
FACS,
WB
TRA-1-81
411100
(cl.26),
MA1024
(tra-1-81),
MA1024D48
8, MA1024D55
0, MA1024D65
0, MA1024HRP,
MA1024PE
ICC, FACS,
WB
NANOG
MA1017
(23D2-3C6),
MA1017D48
8, MA1017D55
0, MA1017D65
0, MA1017HRP,
PA1-097
ICC, FACS,
WB
SOX2
48-1400
(20G5),
MA1014
(20G5),
MA1014D48
8, MA1014D55
0, MA1014D65
0, MA1014HRP,
PA1094
ICC, FACS,
WB, IP, ChIP
LIN28
MA1016
(14E6-4E6),
MA1016D48
8, MA1016D55
0, MA1016D65
0, MA1016HRP,
PA1-096
ICC, FACS,
WB
SSEA1
MA1022
(MC-480),
MA1022D48
8, MA1022D55
0, MA1022D65
0, MA1022PE,
18-0122
(MY-1),
41-1200,
MHCD1501
(VIMC6),
MHCD1504,
MHCD1528,
MHCD1530
FACS
, ICC/IF
SSEA3
41-4400
(MC631),
MA1-020
(MC-631),
MA1-020D48
8, MA1020D65
0, MA1020PE
ICC/IF,
FACS
c-MYC
MA1-980
(9E10),
700648
(27H46L35),
13-2500
(9E10),
13-2511
(9E10),
A21280
(289-19510)
, A21281,
AHO0052
(9E11)
ICC, FACS,
IHC, WB, ELISA
REX1
701159
(14H16L9),
710190
(14HCLC)
ICC, ChIP, WB
KLF4
PA1-095
WB
DNMT3b
PA1-884
WB, IHC
Abbreviations:
ChIP, chromatin
immunoprecipita
tion; ICC, immunocytochem
istry; IF, immunofluoresce
nce; IHC, immunohistoche
mistry;
FACS,
Fluorescence-ac
tivated
cell sorting;
WB, western
blot
Endoderm, Mesoderm and
Ectoderm Markers
Representativ
e three germ
layer markers
Germ
layer
Target
Antibody
product
number
(clone
number)
Mesoderm
Smooth
Muscle
Actin
MA5-11544
(1A4 (asm-1)),
MA5-11547,
PA5-16697,
701457
(17H19L35),
710487
(17HCLC),
18-0106
(1A4),
MA1-744
(mAbGEa)
ABCA4
P21933
(3F4)
NKX2.5
701622
(4H5L9),
710634
(4HCLC)
PDGFRÎą
701142
(7H13L1),
710169
(7HCLC),
PA516571,
PA516742,
Endoderm
Alpha
Feto-protein
710486
(9HCLC),
18-003
(ZSA06),
MA5-1275
(C3), MA5-14665
(F1-6P2A8-P
2B9A9),
MA5-14666
(P5B8),
PA5-
16658,
PA5-16801
KLF5
42-3200
GATA4
PA1-102
GATA6
PA1-104
PDX-1
PA3-830
Ectoderm
Beta III Tubulin
MA1-118
(2G10)
Pax3
701147,
710178,
38-1801
Sox1
PA5-23351,
PA5-23370
Otx2
MA5-15854
(1H12C4B5),
MA5-15855
(1H12G8B2),
PA5-23406,
PA5-29914
Pancreatic and Hepatic Lineage Markers
Representativ
e definitive
endoderm
and pancreatic
and hepatic
lineage
markers
Cell type
Target
Antibody
product
number
(clone
number)
Definitive
endoderm
FoxA2
MA5-15542
(7H4B7),
A16568
Sox17
PA5-23352,
PA5-23852
CXCR4
358800
(12G5),
PA3305,
PA516529
cKit
700135
(53H8L29),
701494
(HC34LC14),
710523
(2HCLC),
180384
(2E4),
348800,
CD11700
(104D2)
PA5-16458,
PA5-16770,
RM6221
(2B8)
GATA4
PA1-102
GATA6
PA1-104
Pancreatic
lineage
PDX1
PA3830
Negative
surface
marker
(polyhormona
l endocrine
cells, not pancreatic
progenitors)
Chromogranin
A
MA513096
(LK2H10),
MA513281
(PHE5),
MA514536
(SP12),
PA516685,
180094
Beta cells
Insulin
MA512029
(INS04
(E2-E3)),
MA512037
(INS05
(2D11-H5)),
MA512042
(INS04
+ INS05),
701265
(19H4L12),
710289
(19HCLC)
Negative
markers
Somatostatin
PA516253
Negative
markers
Glucogon
701296
(24H1L3),
710316
(3HCLC),
710320
(24HCLC)
Hepatic
lineage
HNF1B
PA124459
alpha
Fetoprotein
710486
(9HCLC),
18-003
(ZSA06),
MA5-1275
(C3), MA5-14665
(F1-6P2A8-P
2B9A9),
MA5-14666
(P5B8),
PA5-16658,
PA5-16801
Prox1
P21936
(5G10)
CK14
MA511596
(LL002),
PA516722
Albumin
(ALB)
MA514698
(1E1),
MA514717
(10C7),
MA514718
(12D12),
MA514677
(2B12),
PA516600
AAT
MA514661
(TMF1#4B5),
MIA1102
(TMF1#2-1D1
), MA5-15521
(2B12)
Cytochrome
P450
3A4
PA1343
Cytochrome
P450 3A4 + 3A5
MA3032
(F24 P2 B10)
Mesenchymal Stem Cell Markers
Positive
and negative
markers
for mesenchyma
l stem cells
Target
Antibody
product
number
(clone
number)
MSC–positive
markers
CD73
41-0200
(7G2),
MA5-15537
(1D7)
CD90
(Thy-1)
MA5-16683
(FF-10),
MA5-17747
(5a-8),
MA5-17752
(IBL-1)
CD105
MA5-11854
(SN6h),
MA5-17041
(3A9),
MA1-19231
(MEM-226),
MA1-19408
(MEM-229),
PA5-16895,
PA1-27884,
MHCD10500
(SN6)
CD44
701406
(19H8L4),
710413
(19HCLC),
MA5-12394
(5F12),
MA5-13887
(156-3C11),
MA5-13890
(156-3C11),
MHCD4401
(MEM-85),
MHCD4404,
RM5704
(IM7.8.1)
CD36
MA5-14112
(185-1G2),
PA1-16813,
MA1-19407
(TR9),
MA5-16941
(SMØ)
Nestin
MA1110
(10C2)
Stro-1
39-8401
(STRO-1)
MSC-negative
markers
CD11b
CD11b00
(VIM12),
RM2804
(M1/70.15)
CD14
MHCD1400
(TĂźK4),
Q10053
(HIT2),
MA511394
(7)
CD19
AHS1912
(SJ25-C1),
Q10379
(6D5)
CD34
RM3604
(MEC
14.7),
180227
(BI-3C5),
CD3458101
(581)
CD79a
MA511636
(JCB117),
MHCD79a04
(HM47),
MA5-13212
(HM47/A9),
MA5-14556
(SP18),
MA515234
(2F11)
CD45
18-0367
(MEM28/MEM
56/MEM55),
CD11208
(HI30),
MA5-12795
(Bra55),
MA5-13197
(PD7/26/16
+ 2B11),
MCD4500
(30-F11)
MHCD4501
(HI30),
MR6918
(OX-1)
HLA-DR
H11212
(TĂź36)
Hem
atop
ietic
Stem Cell Markers
Representativ
e markers
for hematopoietic
lineage
Cell type
Target
Antibody
product
number
(clone
number)
Mesoderm
APLNR
PA5-33343
KDR (FLK1)
360900,
392400
(ZV001),
441053G,
PA516487
Hematovascu
lar mesodermal
precursors
SCL/TAL-1
PA5-30586
GATA2
710242
(11HCLC),
PA1100
Runx1
701202
(3H2L6),
710233
(3HCLC)
Angiogenic
hematopoietic
progenitors
CD235a
(Glycophorin
A)
MA512484
(JC159),
MHGLA01
(CLB-ery-1
(AME-1)
Hematopoieti
c progenitors
CD43
MA5-12194
(MDF-T1),
MA5-13923
(84-3C1),
MA1-34375
(MT-1),
MA5-16978
(W3/13)
Hematopoieti
c Stem
Cells
CD34
RM3604
(MEC
14.7),
180227
(BI-3C5),
CD3458101
(581)
cKit/CD117
700135,
701494,
710523,
180384,
348800,
CD11700,
PA5-16458,
PA5-16770,
RM6221
CD90
(Thy-1)
MA5-16683
(FF-10),
MA5-17747
(5a-8),
MA5-17752
(IBL-1)
CD49f
(Integrin
Îą6)
701178
(5H14L18),
710209
(5HCLC)
CD3e
070303,
080102,
180102,
CD11213,
CD11216,
HM3401,
MA5-13349
(SP1),
MA5-14482
(EP449E),
MHCD0300,
etc
CD45
18-0367
(MEM28/MEM
56/MEM55),
CD11208
(HI30),
MA5-12795
(Bra55),
MA5-
13197
(PD7/26/16
+ 2B11),
MCD4500
(30-F11)
MHCD4501
(HI30),
MR6918
(OX-1)
Ly6A/E
(Sca-1)
MA1-70082
(D7), MA5-17833
(CT-6A/6E),
A18486
(D7)
Negative
marker
CD38
MA514413
(38C03
(SPC32)),
MHCD3801
(HIT2)
Neural Stem Cell, Glial lineage and
Neuron Markers
Representativ
e markers
for neural
lineage
Cell type
Target
Antibody
product
number
(clone
number)
Neural
Stem
Cells
Pax6
426600,
MA1109
(13B10-1A10
), MA1109D48
8
Sox2
48-1400
(20G5),
MA1014
(20G5),
MA1014D48
8, MA1014D55
0,
MA1014D65
0, MA1014HRP,
PA1094
Sox1
PA5-23351,
PA5-23370
Nestin
MA1110
FoxG2
PA5-26794,
PA1-31654
Pax3
701147,
710178,
38-1801
Glial/Astrocyt
es
CD44
701406
(19H8L4),
710413
(19HCLC),
MA5-12394
(5F12),
MA5-13887
(156-3C11),
MA5-13890
(156-3C11),
MHCD4401
(MEM-85),
MHCD4404,
RM5704
(IM7.8.1)
GFAP
180063,
180021,
13-0300
(2.2B10),
MA5-12023
(ASTRO6),
PA5-1691,
A21282
(131-1771),
A21294,
A21295
S100beta
701340
(16H24L21),
710363
(16HCLC)
OPCs/Oligode
ndrocytes
A2B5
433110
(105)
Olig2
P21954
NG2
37-2300
(N143.8),
37-2700
(D120.43/D4
.11/N143.8/N
109.6)
PDGFRÎą
PA5-16571,
PA5-16742,
701142
(7H13L1),
710169
(7HCLC)
MBP
PA5-16413
APC
PA5-16883
Neurons
Beta III Tubulin
MA1-118
(2G10),
480011
(38F4)
MAP2
MA5-12823
(AP20),
13-1500
(M13),
MA5-12826
(AP18)
DCX
48-1200
Neurofilemen
t pan,
H, M, L
1801717,
MA12012
(3G3),
MA12010
(DA2),
MA12011
(3H11),
130500
(RMO-44),
130700
(RMO-270),
341000
(RMO
14.9),
131300
(RMdO-20)
DA progenitor/
DA neurons
Otx2
MA5-15854
(1H12C4B5),
MA5-15855
(1H12G8B2),
PA5-23406,
PA5-29914
TH
P21962
PITX3
701181
(5H10L5),
710212
(7M5HCLC),
38-2850
GABA
neurons
GAD2
/ GAD65
398200
(ZG002),
PA5-32430,
PA5-22260,
PA5-18369,
MA5-18053
(144)
GABA
PA5-32241
GAD65
and GAD67
PA1-84572
Calretinin
710559
(4HCLC),
180211,
180291
(Z11-E3),
MA511479
(5A5),
MA512539
(DAK Calret
1), MA514540
(SP13),
PA516681
Calbindin
PA5-32284
Somastostatin
PA516253,
MA5-16987
(YC7)
Motor
neuron
progenitor/mo
tor neuron
Olig1/2
P21954
NKX6.1/6.2
PA5-23070
HoxB4
PA5-23366
NGN2
PA5-34472,
PA5-11892
ISL1
MA5-15515
(1H9),
MA5-15516
(1B1),
PA5-27789
ChAT
PA1-4710,
PA1-4738,
PA1-9027,
PA1-18313,
PA5-29653
HB9 (MNX1)
PA5-23407
Synapsin
A6442
Antibodies for
Stem Cell Research
antibodies
In the United
States:
For customer
service,
call 1-800-76
6-7000
To fax an order,
use 1-800-92
6-1166
To order online
in the US or Canada:
thermofis
her.com
In Canada:
For customer
service,
call 1-800-23
4-7437
To fax an order,
use 1-800-46
3-2996
Find
out more
at therm
ofish
er.co
m/st
emcellan
tibod
ies
For Research
Use Only.
Not for use in diagnostic
procedures
. Š 2015
Thermo
Fisher
Scientific
Inc. All rights
reserved.
All trademarks
are the property
of Thermo
Fisher
Scientific
and its subsidiaries
unless
otherwise
specified.
CO01566
9 0615
Antibodies for
stem cell research
Markers for:
Pluripotent stem cell • Endoderm, mesoderm and ectoderm • Mesenchymal stem cell • Pancreatic and hepatic lineage
Neural stem cell, glial lineage and neuron • Hematopietic stem cell

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Antibodies For Stem Cell Research

  • 1. Antibodies for stem cell research stemcellresearch
  • 2. For Research Use Only. Not for use in diagnostic procedures. Š 2015 Thermo Fisher Scientific Inc. Find out more at thermofisher.com/antibodies Contents Overview of stem cells 1— 2 Pluripotent stem cells 3—7 Multipotent stem cells 8—13 Differentiation of pluripotent stem cells to definitive endoderm, hepatocytes, and pancreatic beta cells 14—15 Differentiation of pluripotent stem cells to neural lineages 16—19 Appendix 20—21
  • 3. Stem cells are unspecialized cells that, by definition, have the capacity to self-renew and possess potency (Figure 1.1). Self-renewal is defined as the ability of the stem cell to go through multiple cycles of cell division while maintaining its undifferentiated state (i.e., to generate daughter cells that are identical to the mother cell). On the other hand, potency is the ability of the stem cell to differentiate into specialized cell types present in the body, such as neurons, liver, or muscle cells. Until recently, there were two main commonly studied stem cells: adult stem cells and embryonic stem cells. Adult stem cells are considered undifferentiated and can be found among differentiated cells in a tissue. Their primary roles are to maintain and repair the tissue in which they are found. They are multipotent, as they are limited to differentiating into the various cell types within their tissue of origin. Embryonic stem cells (ESCs) are isolated from the early preimplantation-stage embryo. Unlike adult stem cells, ESCs can divide for a longer period in culture and have the potential to differentiate to become any cell type found in the human body; therefore, they are called pluripotent stem cells (PSCs). Another type of pluripotent stem cell is the induced pluripotent stem cell (iPSC). iPSCs can be generated by reprogramming somatic cells such as skin fibroblasts. Given their unique features, pluripotent stem cells hold tremendous potential in the areas of developmental biology, disease modeling, drug screening, and cell therapy, more so with the development of reprogramming technologies that enable the creation of iPSCs directly from the somatic cells of healthy or diseased donors. Overview of stem cells Introduction 1 Antibodies for stem cell research | Overview of stem cells
  • 4. Overview of stem cells Characterization of stem cells With the recent technological advances, diverse stem cell lines are derived and cultured under different conditions. Additionally, various differentiation protocols have been developed and optimized to generate mature functional differentiated cells from these stem cells. There is a huge need for reliable characterization methods to confirm the quality of the PSCs and adult stem cells, as well as their differentiated derivatives. Current characterization practices consist of panels of assays primarily testing fundamental properties such as potency, analyzing the expression of key markers for cell identity, and detecting abnormalities that can affect cell behavior and safety. Antibody-based detection methods such as immunocytochemistry and flow cytometry are commonly used. The high quality of the antibodies is one of the key factors contributing to the success and rapid progress of stem cell research. We offer a comprehensive library of primary antibodies for stem cell research. The objective of this handbook is to provide an overview of information relevant to the field and to provide stem cell scientists with antibody resources and protocols to aid their research. What Is a stem cell? Replicate itself and... A single cell that can: ...differentiate into many cell types. Figure 1.1. Definition of a stem cell. Antibodies for stem cell research | Overview of stem cells 2
  • 5. As mentioned earlier, human pluripotent stem cells (PSCs) are characterized by their ability to renew themselves indefinitely and, when exposed to the right microenvironment, differentiate into almost any cell type found in a human body. Two commonly studied PSCs are embryonic stem cells (ESCs) and induced PSCs (iPSCs) (Figure 2.1). Human ESCs are isolated from the inner cell mass of the blastocyst stage of a developing embryo.1 iPSCs are similar or equivalent to ESCs but are generated via ectopic expression of reprogramming factors such as OCT3/4, KLF4, SOX2, and c-MYC to reprogram adult somatic cells.2,3 iPSCs have revolutionized stem cell research by simplifying the derivation of patient stem cells that can then be used to generate relevant cell types to model diseases in a dish. These models can be valuable in defining the mechanisms of disease pathology and can consequently play a vital role in the identification of therapeutic targets and drug discovery. The unlimited supply of iPSCs that can be directed to become functionally mature cells also holds great promise as source materials for cell therapies that address a variety of diseases such as diabetes, liver diseases, and Parkinson’s and Alzheimer’s diseases. Introduction Induced Pluripotent Stem Cells Embryonic Stem Cells Healthy or diseased individual Somatic cells (such as skin fibroblasts) Self-renewal Fertilized egg Development Morula Blastocyst (64 to 200 cell stage) Trophoblasts Inner cell mass Propagation in culture Embryonic stem cells Differentiation Heart muscle cells Blood cells Neurons Hepatocytes Pancreatic beta cells Intestinal cells Differentiation Addition of reprogramming factors (such as Oct4, Sox2, c-Myc and KLF4) Induced pluripotent stem cells Self-renewal Figure 2.1. Derivation of induced pluripotent stem cells and embryonic stem cells. Pluripotent stem cells Antibodies for stem cell research | Pluripotent stem cells 3
  • 6. Characterization of pluripotent stem cells To maintain the undifferentiated stem cell state, both iPSCs and ESCs require the expression of key transcription factors such as Nanog and OCT4.4 These transcription factors can regulate genes that are important for cell division, differentiation, and development. In addition to these transcription factors, a specific set of cell surface proteins such as TRA-1-60, TRA-1-81, SSEA3, and SSEA4 are typically expressed by the PSCs. Detection of the presence of these markers is one of the first steps in characterizing newly-derived iPSC and ESC lines. Specific cell staining can be achieved using antibodies against these established pluripotency markers (Table 2.1). Live cell immunostaining. Cell surface proteins can be stained quickly with dye-conjugated antibodies while cells are kept in culture. Figure 2.2 shows an example of live cell immunostaining of a PSC surface marker TRA-1-60 on an iPSC colony growing on a feeder layer of irradiated mouse embryonic fibroblasts (MEFs). CD44, a surface protein expressed in many differentiated cells, including MEFs, is absent in PSCs. The positive staining of TRA-1-60 and negative staining of CD44 can be used to confirm that a newly derived iPSC colony is fully reprogrammed. Pluripotent stem cells Figure 2.2. Live cell immunostaining using dye-conjugated primary antibodies. Surface marker analysis of iPSCs cultured on a mouse embryonic fibroblasts feeder layer using Invitrogen™ Alexa Fluor™ 594–conjugated anti- TRA-1-60 (Cat. No. A24882, red) and Invitrogen™ Alexa Fluor™ 488–conjugated anti-CD44 (Cat. No. A25528, green, negative control). Imaging was performed following a media exchange into Gibco™ FluoroBrite™ DMEM. Table 2.1. Key markers expressed in pluripotent stem cells. Target Antibody Cat. No. (clone number) Applications OCT4/ POU5F1 A13998, MA1-104 (9B7), MA1-104-D488 (9B7), MA1-104-D550 (9B7), MA1-104-HRP (9B7) ICC, flow, WB SSEA-4 MA1-021 (MC813-70), MA-1021-D488 (MC813-70), MA1-021-D550 (MC813-70), MA1-021-D650 (MC813-70), MA1-021-PE (MC813-70) ICC/IF, flow TRA-1-60 411000 (cl.A), MA1-023 (tra-1-60), MA1- 023-D488 (tra-1-60), MA1-023-D550 (tra- 1-60), MA1-023-D650 (tra-1-60), MA1-023- HRP (tra-1-60), MA1-023-PE (tra-1-60) ICC/IF, flow, WB TRA-1- 81 411100 (cl.26), MA1-024 (tra-1-81), MA1- 024-D488 (tra-1-81), MA1-024-D550 (tra-1- 81), MA1-024-D650 (tra-1-81), MA1-024-HRP (tra-1-81), MA1-024-PE (tra-1-81) ICC, flow, WB NANOG MA1-017 (23D2-3C6), MA1-017-D488 (23D2-3C6), MA1-01-7D550 (23D2-3C6), MA1-017-D650 (23D2-3C6), MA1-017-HRP (23D2-3C6), PA1-097 ICC, flow, WB SOX2 48-1400 (20G5), MA1-014 (20G5), MA1- 014-D488 (20G5), MA1-014-D550 (20G5), MA1-014-D650 (20G5), MA1-014-HRP (20G5), PA1094 ICC, flow, WB, IP, ChIP LIN28 MA1-016 (14E6-4E6), MA1-016-D488 (14E6-4E6), MA1-016-D550 (14E6-4E6), MA1-016-D650 (14E6-4E6), MA1-016-HRP (14E6-4E6), PA1-096 ICC, flow, WB SSEA-1 MA1-022 (MC-480), MA1-022-D488 (MC-480), MA1-022-D550 (MC-480), MA1- 022-D650 (MC-480), MA1-022-PE (MC- 480), 18-0122 (MY-1), 41-1200, MHCD1501 (VIMC6), MHCD1504, MHCD1528, MHCD1530 Flow , ICC/IF c-MYC MA1-980 (9E10), 700648 (27H46L35), 13-2500 (9E10), 13-2511 (9E10), A21280 (289-19510), A21281, AHO0052 (9E11) ICC, flow, IHC, WB, ELISA SSEA-3 41-4400 (MC-631), MA1-020 (MC-631), MA1-020-D488 (MC-631), MA1-020-D650 (MC-631), MA1-020-PE (MC-631) ICC/IF, flow SSEA-5 MA1-144 (8E11), MA1-144-D488 (8E11), MA1-144-D550, MA1-144-D650488 (8E11), MA1-144-D755 (8E11), MA1-144-PE(8E11) ICC, flow, WB REX1 701159 (14H16L9), 710190 (14HCLC) ICC, ChIP, WB KLF4 PA1-095 WB, ICC DNMT3b PA1-884 WB, IHC Phase CD44 TRA-1-60 Merge Antibodies for stem cell research | Pluripotent stem cells 4
  • 7. Figure 2.3. Immunofluorescence analysis of NANOG and LIN28 in human ESC H9 line and SOX2 in human iPSC HEL11.4 line. Cells grown in a feeder-free culture were stained with anti-NANOG monoclonal antibody (Cat. No. MA1-017), anti-LIN28 monoclonal antibody (Cat. No. MA1-016) and anti-SOX2 monoclonal antibody (Cat. No. MA1-014) followed by Thermo Scientific™ DyLight™ 488 goat anti-mouse (Cat. No. 35502, green). Nuclei were stained with DAPI (Cat. No. D1306). Figure 2.4. Co-staining of SSEA3, NANOG and OCT4 in iPSCs using dye-conjugated primary antibodies. Human iPSC Ad1 cells grown on vitronectin were fixed, permeabilized and stained with Thermo Scientific™ DyLight™ 488 conjugated anti-SSEA3 (Cat. No. MA1-020-D488), Thermo Scientific™ DyLight™ 550 conjugated anti-Nanog (Cat. No. MA1-017-D550) and Thermo Scientific™ DyLight™ 650 conjugated anti-OCT4 (Cat. No. MA1-104-D650). Nuclear DNA was stained with DAPI. OCT4 SSEA3 Nanog DAPI Figure 2.5. Flow cytometry analysis of TRA-1-60 and NANOG in human ESC H9 line and SSEA4 and SOX2 in human iPSC line HEL11.4 grown in feeder-free culture. Cells were positively stained using anti-TRA-1-60 (Cat. No. MA1-023), anti-NANOG (Cat. No. MA1-017), anti-SSEA4 (Cat. No. MA1-021) and anti-SOX2 monoclonal antibody (Cat. No. MA1-014). Sox2 (MA1-014) Isotype control NANOG (MA1-017) Isotype control SSEA4 (MA1-021) Isotype control Isotype control TRA-1-60 (MA1-023) Flow cytometry. Whereas the staining and imaging approaches above are qualitative, flow cytometry provides a quantitative measure of how many cells are expressing the markers and at what intensity, revealing any downregulation of the markers, or heterogeneity in the population. It is most common to perform flow cytometry using surface markers such SSEA4 and TRA-1-60, but it is also possible to perform flow cytometry using nuclear markers such as Nanog and SOX2 when using fixed and permeabilized cells (Figure 2.5). Analyzing PSCs and confirming the presence of self-renewal gene products or the absence of somatic gene products is important, but not sufficient, for verifying the functional pluripotency of a PSC line. The other critical test is to confirm the ability of the PSCs to differentiate into cells of the three embryonic germ layers: ectoderm, mesoderm, and endoderm (Figure 2.6). This can be accomplished through both in vivo and in vitro approaches. Fixed cell immunostaining. To increase confidence in the quality of an iPSC clone, it is recommended to confirm the expression of not just one or two, but multiple PSC markers. Because some markers such as Oct4, Nanog, Lin28, and Sox2 are intracellular proteins, staining for these markers requires fixation and permeabilization (Figure 2.3). Using dye-conjugated primary antibodies against these markers and other PSC markers (Table 2.1) bypasses the secondary antibody staining step, saving experiment time and cost and allowing multiplex staining (Figure 2.4). Pluripotent stem cells Antibodies for stem cell research | Pluripotent stem cells 5
  • 8. ESCs iPSCs Embryoid body Ectoderm (external layer) Endoderm (internal layer) Mesoderm (middle layer) Neural cells Pigment cells Skin cells Pancreatic cells Liver cells Lung cells Smooth muscle cells Red blood cells Kidney cells Skeletal muscle cells Cardiac muscle cells Figure 2.6. Both iPSC and ESC can form embryoid bodies (EBs) when cultured in suspension in the absence of bFGF. EBs can spontaneous differentiate towards the three germ layers which can be further developed into various differentiated cell types. Pluripotent stem cells Teratoma formation. When working with mouse PSCs, it is possible to evaluate differentiation potential through a number of in vivo assays such as tetraploid complementation, chimera generation, and germ line transmission. Because these are not viable options for human cells, human PSCs are instead injected into mice and allowed to form teratomas that are analyzed to confirm trilineage differentiation. As an in vivo assay that allows the differentiation of cells under physiological conditions, teratoma formation is considered the gold standard for evaluating PSC differentiation potential. However, it is not always performed because it is labor intensive, takes about 6 to 12 weeks to complete, and is associated with a high animal-testing burden. Embryoid body (EB) formation. The more common alternative to teratoma formation is EB formation, an in vitro assay involving the spontaneous differentiation of PSCs into the three germ lineages over 7 to 21 days. Although differentiation occurs under nonphysiological conditions, EB formation has the advantage of being faster, less laborious, and easier to analyze. Common markers for analyzing differentiation in EBs include smooth muscle actin (SMA) for mesoderm, the primitive hepatocyte marker Îą-fetoprotein (AFP) for endoderm, and the neuronal marker beta-III tubulin (TUBB3), for ectoderm (Figure 2.7). Immunofluorescence using this set of germ layer markers is particularly advantageous, in that each of these markers is not only preferentially expressed in certain cell lineages, but each marker also displays a distinguishing cellular localization pattern that serves as an extra measure of visual confirmation. For example, anti-TUBB3 staining is typically brightest for elongated cells with characteristic neuronal-like projections. Cells that robustly express SMA display lined patterns of actin filament staining. These cells are often found in large layered groupings or occasionally as isolated large cells with a fish-gill appearance. Anti-AFP staining commonly identifies tight clusters of cells, each with a pronounced “ring”-like staining pattern around the nucleus. Many other markers have also been used to characterize each germ layer, for instances, PDX1 and Sox17 for endoderm, Sox1 and Otx2 for ectoderm, and NKX2.5 and PDGFRa for mesoderm (Table 2.2). Antibodies for stem cell research | Pluripotent stem cells 6
  • 9. Figure 2.7. Embryoid body trilineage staining. Embryoid bodies (EB) were generated from Gibco™ Human Episomal iPSC Line grown on Gibco™ Geltrex™ in Gibco™ Essential 8™ Medium. After 3 weeks in culture, EB were dissociated with Gibco™ TrypLE™ and re-plated onto Geltrex-coated multiwell plates. Cells were fixed, permeabilized and blocked for immunostaining. Primary antibodies (Beta III tubulin, MA1-118; SMA, MA5-11547 and AFP, 180003) were added overnight at 4°C at a 1:100 dilution. After 3 washes, appropriate secondary antibodies labeled with Alexa Fluor™ 488 were added at a 1:500 dilution in conjunction with NucBlue™ Fixed Cell Ready Probes™ Reagent. After another 3 washes, the cells were imaged on EVOS™ FLoid™ Cell Imaging Station. Mesoderm (SMA) Ectoderm (Beta III Tubulin) Endoderm (AFP) References 1. Thomson JA, Itskovitz-Eldor J, Shapiro SS et al. (1998) Embryonic stem cell lines derived from human blastocysts. Science 282(5391):1145–1147. 2. Takahashi K, Yamanaka S (2006) Induction of pluripotent stem cells from mouse embryonic and adult fibroblast cultures by defined factors. Cell 126(4):663–676. 3. Yu J, Vodyanik MA, Smuga-Otto K et al. (2007) Induced pluripotent stem cell lines derived from human somatic cells. Science 318(5858):1917–1920. 4. Pan GJ, Thomson JA (2007) Nanog and transcriptional networks in embryonic stem cell pluripotency. Cell Res 17(1):42–49. Table 2.2. Representative three germ layer markers. Germ layer Target Antibody product number (clone number) Mesoderm Smooth Muscle Actin MA5-11544 (1A4 (asm-1)), MA5-11547, PA5-16697, 701457 (17H19L35), 710487 (17HCLC), 18-0106 (1A4), MA1-744 (mAbGEa) ABCA4 P21933 (3F4) NKX2.5 701622 (4H5L9), 710634 (4HCLC) PDGFRa 701142 (7H13L1), 710169 (7HCLC), PA5-16571, PA5-16742 Endoderm Alpha Feto- protein (AFP) 710486 (9HCLC), 18-003 (ZSA06), MA5-1275 (C3), MA5-14665 (F1-6P2A8-P2B9A9), MA5-14666 (P5B8), PA5-16658, PA5-16801 KLF5 42-3200 GATA4 PA1-102 GATA6 PA1-104 PDX-1 PA3-830 Ectoderm Beta III Tubulin MA1-118 (2G10) PAX3 701147, 710178, 38-1801 SOX1 PA5-23351, PA5-23370 OTX2 MA5-15854 (1H12C4B5), MA5-15855 (1H12G8B2), PA5-23406, PA5-29914 Pluripotent stem cells Antibodies for stem cell research | Pluripotent stem cells 7
  • 10. As with all stem cells, multipotent stem cells are unspecialized cells that have the ability to self- renew for long periods of time and differentiate into specialized cells with specific functions. Unlike pluripotent stem cells (PSCs), multipotent stem cells are limited in their ability to differentiate into different cell types. The derived differentiated cells are also limited in number. Hence, adult stem cells, more accurately called somatic stem cells, are considered multipotent because their specialization potential is limited to one or more cell types. For examples, multipotent stem cells in bone marrow can give rise to all blood cell types, and neural stem cells in brain can give rise to glial and neuronal cells, but not other cells. However, a multipotent stem cell known as a mesenchymal stem cell (MSC) can give rise to several cell types. This particular stem cell has been found to give rise to bone, muscle, cartilage, fat, and other similar tissues. Adult stem cells are found in a stem cell niche in various tissues such as brain, teeth, bone marrow, peripheral blood, skeletal muscle and testis (Figure 3.1). Adult stem cells can remain quiescent (nondividing) for long periods of time until they are activated by a normal need for more cells to maintain tissues, or by disease or tissue injury requiring repair. For many years, adult stem cells have been used in the treatment of leukemia via bone marrow transplantation, and in many preclinical and clinical studies for treating brain and spinal cord injuries. Brain • Neural stem cells Bone marrow • Hematopoietic stem cells • Mesenchymal stem cells Muscle and adipose tissue • Mesenchymal stem cells Testicles • Testicular stem cells Teeth • Dental pulp stem cells Figure 3.1. Representative adult stem cells present in various tissues. Introduction Multipotent stem cells Antibodies for stem cell research | Multipotent stem cells 8
  • 11. Mesenchymal stem cells Mesenchymal stem cells were first harvested from marrow several decades ago, and were shown to be likely to play diverse functions in vitro and in vivo.1 MSCs are thought to contribute to the stem cell niche in the marrow; contribute to smooth muscle, adipocyte, bone, and cartilage development and repair; and generally contribute to the parenchyma of most tissues and organs (Figure 3.2). MSCs also exert important trophic functions by secreting a wide array of growth factors, chemokines, and cytokines to induce cell proliferation, angiogenesis, anti-apoptosis, and anti-inflammatory and immunomodulatory response. Advancements in mesenchymal stem cell research are shedding light on how these stem cells may be used in various clinical applications, including immunomodulatory therapies (i.e., prevention of graft-versus- host disease or treatment of Crohn’s disease) and in cell replacement therapies for mesenchymal tissues such as bone and cartilage. MSCs have been isolated from a variety of tissues including bone marrow, adipose tissue, blood, dermis, placenta, umbilical cord, skeletal muscle, and deciduous teeth. Despite the differences of these different populations of MSCs in morphology (heterogeneity), growth, and differentiation potential, there are certain characteristics they have in common. According to the International Society for Cell Therapy (ISCT) proposed criteria2 based on the characterization of in vitro cultured cells, MSCs should express surface markers CD73, CD90, and CD105 in the absence of CD34, CD45, CD14, HLA-DR, CD11b, and CD79a. Cartilage Muscles Skin CNS Fat Tendon and ligament Marrow MSCs Myocytes Chondrocytes Fibroblasts Astrocytes Stromal cells Adipocytes Fibroblasts Bone Osteocytes Figure 3.2. Differentiation potential of MSCs. In vivo phenotypic studies revealed that MSCs are positive for CD146, Stro-1, CD90, CD105, CD44, and CD73, and negative for CD45, CD11b, and CD14 (Figure 3.3). We offer a comprehensive library of primary antibodies for MSCs. This library includes antibodies to positive and negative markers identified by the ISCT to define human MSCs (Table 3.1). Marker % Positive CD73+/NEG- 98.2 CD90+/NEG- 99.6 CD105+/NEG- 100.0 CD34+ 0.2 NEG = multiplex analysis of CD14, CD19, CD45 and HLA-DR A. B. C. Figure 3.3. Characterization of MSCs. (A) Human bone marrow-derived MSCs cultured in StemPro™ MSC SFM passage 5 were analyzed using multiplex flow cytometry revealing characteristic human MSC surface marker profile. (B) Immunofluorescence analysis of mesenchymal stem cells using anti-STRO-1 monoclonal antibody (Cat. No. 39-8401) followed by Invitrogen™ Alexa Fluor™ 488 goat anti-mouse (Cat. No. A10680, green). Actin (red) were stained with Thermo Scientific™ DyLight™ 554-phalloidin (Cat. No. 21834). (C) Immunofluorescence analysis of human mesenchymal stem cells cultured under basal conditions using anti-CD105 antibody (Cat. No. MHCD10500). Nuclear DNA (blue) was stained with DAPI. Multipotent stem cells 9 Antibodies for stem cell research | Multipotent stem cells
  • 12. Multipotent stem cells Human MSCs have the capacity to differentiate into adipocytes (fat), chondrocytes (cartilage), and osteoblasts (bone) under appropriate culture conditions (Figure 3.4). Bone marrow–derived MSCs also have the capacity to differentiate into other mesoderm-derived tissues such as myocytes (muscle cells), which express desmin, β-myosin heavy chain, Îą-cardiac actin, and other muscle cell markers. It is known that the Wnt/β-catenin and TGFβ/Smad pathways play key roles in the regulation of MSC differentiation. The Wnt/β-catenin pathway is critical in promoting osteoblast proliferation and skeletogenesis by suppression of chondrocyte differentiation. The TGFβ pathway, however, upregulates gene expression in MSCs to promote chondrocyte differentiation.3 Table 3.2 summarizes representative markers of different cell types that can be derived from different mesenchymal lineages and the respective antibodies we offer. B. C. Adipocyte Chondrocyte Osteoblast A. Figure 3.4. Multilineage mesoderm differentiation of MSCs. (A) Human MSCs were seeded into adipogenic, chondrogenic, or osterogenic differentiation medium for 14 days, revealing adipocytes (oil red O lipid stain), chondrocytes (alcian blue glycosaminoglycan stain) and osteoblasts (alkaline phosphatase stain). (B) Immunofluorescence analysis of FABP4 expression in human MSCs cultured under adipogenic differentiating conditions. Cells were co-stained with anti-FABP4 antibody (Cat. No. 701158) followed by Invitrogen™ Alexa Fluor™ 488 goat anti-rabbit (Cat. No. A11034, green) and anti-CD36 antibody (Cat. No. MA5-14112) followed by Alexa Fluor 594 goat anti-mouse (Cat. No. A11032, red). (C) Immunohistochemical analysis of paraffin-embedded bone substitute (hydroxyapatite and silicon implanted subcutaneously into sheep for 12 weeks) using anti-osteocalcin monoclonal antibody (Cat. No. MA1-20788). Counterstained with hematoxylin. Table 3.1. Positive and negative markers for mesenchymal stem cells. Target Antibody product number (clone number) MSC- positive markers CD73 41-0200 (7G2), MA5-15537 (1D7) CD90 (Thy-1) MA5-16683 (FF-10), MA5-17747 (5a-8), MA5-17752 (IBL-1) CD105 MA5-11854 (SN6h), MA5-17041 (3A9), MA1-19231 (MEM-226), MA1-19408 (MEM-229), PA5-16895, PA1-27884, MHCD10500 (SN6) CD44 701406 (19H8L4), 710413 (19HCLC), MA5-12394 (5F12), MA5-13887 (156-3C11), MA5-13890 (156-3C11), MHCD4401 (MEM-85), MHCD4404 (MEM-85), RM5704 (IM7.8.1) CD36 MA5-14112 (185-1G2), PA1-16813, MA1-19407 (TR9), MA5-16941 (SMØ) Nestin MA1-110 (10C2) STRO-1 39-8401 (STRO-1) MSC- negative markers CD11b CD11b00 (VIM12), RM2804 (M1/70.15) CD14 MHCD1400 (TĂźK4), Q10053 (HIT2), MA5-11394 (7) CD19 AHS1912 (SJ25-C1), Q10379 (6D5) CD34 RM3604 (MEC 14.7), 180227 (BI-3C5), CD3458101 (581) CD79a MA5-11636 (JCB117), MHCD79a04 (HM47), MA5-13212 (HM47/A9), MA5-14556 (SP18), MA5-15234 (2F11) CD45 18-0367 (MEM28/MEM56/MEM55), CD11208 (HI30), MA5-12795 (Bra55), MA5-13197 (PD7/26/16 + 2B11), MCD4500 (30-F11) MHCD4501 (HI30), MR6918 (OX-1) HLA-DR H11212 (TĂź36) Antibodies for stem cell research | Multipotent stem cells 10
  • 13. Table 3.2. Representative markers for different cell types derived from mesenchymal stem cells. Target Antibody product number (clone number) Chondrocyte to cartilage Collagen (type II) (COL2A1) MA5-12786 (2B1.5), MA5-13026 (6B3), MA1-37493 (2B1.5) Aggrecan (ACAN) MA1-34728 (MA75A95), PA1-1745, PA1-1746, MA3-16888 (BC-3), MA1-80187 (7E1), AHP0022 (969D4D11) Dermatopontin PA5-14396 SOX9 MA5-17177 (1B11), PA1-29537 Decorin (DCN) PA1-1744 MMP13 MA5-14238 (VIIIA2), MA5-14244 (LIPCO IID1), PA5-16566, 701287 (3H13L17), 710311 (3HCLC) Cartilage oligomeric matrix protein (COMP) MA1-20221 (MA37C94 (HC484D1)), PA5-19850 Annexin VI (ANXA6) PA1-37086 Adipogenic lineage PPARg2 PA1-824 Lipoprotein lipase (LPL) MA5-15503 (2C5), MA5-18055 (5D2) Fatty acid binding protein4 (FABP4) 701158 (2H3L2), 710189 (2HCLC) Leptin (LEP) PA1-051, PA1-052 Adiponectin MA1-054 (19F1), PA1054, 701148 (11H4L4), 710179 (11HCLC) Osteroblast to bone Osteocalcin (BGLAP) MA1-20786 (OC4-30), MA1-25584 (OCG2), MA1-82975 (2H9F11F8), MA1-82974 ( 8H12F910), MA1-20788 (OCG4) Osteopontin (SPP1) PA5-16821 RUNX2 411400 (ZR002) PHEX PA5-21714 Myoblast fusion to muscle Myogenic differentiation antigen (MYOD1) MA5-12902 (5.8A), MA5-12907 (5.2F) MYOG MA5-11486 (F5D), MA5-11658 (F12B) MYL1 MA1-90701 (MY32), MA1-24940 (MY21), PA1-26470 GATA6 PA1-104 NKX2.5 701622 (4H5L9), 710634 (4HCLC) TBX5 426500 MYH6 MA1-26180 (3-48) Connexin 32 (GJB1) 71-0600, 13-8200 (CX-2C2), 358900 (5F9A9) NPPA PA5-29559 GATA4 PA1-102 Transgelin (TAGLN) PA5-18252 MYH11 MA5-11648 (SMMS-1), MA5-11971 (SMM10) ACTA2 MA5-11544 (1A4 (asm-1)), MA5-11547, PA5-16697, 701457 (17H19L35), 710487 (17HCLC), 18-0106 (1A4), MA1-744 (mAbGEa) Calponin (CNN1) MA5-11620 (CALP), MA5-14464 (EP798Y) Multipotent stem cells 11 Antibodies for stem cell research | Multipotent stem cells
  • 14. Multipotential stem cell B cell T cell Natural killer cell Hematopoietic progenitor stem cell Lymphoid progenitor Myeloid progenitor Red blood cell Platelet producer cell Basophil Neutrophil Eosinophil Monocytes Multipotent stem cells Hematopoietic stem cells Hematopoietic stem cells (HSCs) are multipotent stem cells that give rise to all of the cell types in the blood, including B and T lymphocytes, natural killer cells, dendritic cells, monocytes, platelets, and erythrocytes (Figure 3.5). Pertubations of hematopoiesis have been linked to various diseases such as leukemia, lymphomas, and anemia. HSC transplantation and hematopoietic cell transfusion have been widely used clinically to treat leukemia and other types of hematological diseases. HSCs can be found in the bone marrow, peripheral blood, and umbilical cord blood. The shortage of human leukocyte antigen– matched donors and the limited number of transplantable cells impede the use of HSCs for therapy. Recent advances in reprogramming technologies and hematopoietic differentiation from human PSCs have opened novel opportunities to study hematopoietic development, model hematological diseases, and manufacture immunologically matched cells for transplantation and cancer therapy.4 Figure 3.5. Schematic diagram of hematopietic stem cell development. Despite the fact that protocols for the generation of HSCs from PSCs are still being optimized, hematopoietic cell differentiation from human PSCs shares similar differentiation stages to in vivo embryonic hematopoiesis (Figure 3.6). Briefly, mesoderm induction to generate cells expressing primitive mesoderm markers, such as Brachyury, APLNR, and KDR, is followed by hematopoietic specification leading to the generation of hematovascular mesodermal precursor cells expressing GATA2 and SCL, and the emergence of hematopoietic stem cells expressing CD34, hematopoietic progenitor cells (HPCs) with upregulation of CD43, and mature hematopoietic cells (Table 3.3). HSCs are small, nonadherent cells that are difficult to purify or visualize by microscopy. In their quiescent state, typically, HSCs are identified by flow cytometry using 10–14 antibody panels targeting various cell surface antigens. For examples, mouse HSCs are defined by Lin– (lineage marker), Sca-1+ (a putative marker of stem and progenitor cells), cKit/CD117+ (SCF receptor), and Tie-2+ (a tyrosine kinase receptor expressed in endothelial and hematopoietic cells), whereas human HSCs are marked by CD34+ , CD59+ , Thy1/CD90+ , CD38lo/– , cKit/ CD117+ , Lin– , and CD43+ (Figure 3.7 and Table 3.3). Source In vitro Maintenance/development In vivo Mesoderm emergence Inner cell mass Hematopoietic lineage commitment Inner cell mass Yolk sac Somatic cells iPS cell ES cell Mesodermal cell Mesodermal cell HoxB4 HSC HPC Mature HC HSC HPC Mature HC Aorta-gonad-mesonephros Placenta Fetal liver Bone marrow Figure 3.6. Schematic representations of hematopoietic development from PSCs in vitro and in vivo. Antibodies for stem cell research | Multipotent stem cells 12
  • 15. Table 3.3. Representative markers for hematopoietic lineage. Cell type Target Antibody product number (clone number) Mesoderm APLNR PA5-33343 KDR (FLK1) 360900, 392400 (ZV001), 441053G, PA5-16487 Hematovascular mesodermal precursors SCL/TAL-1 PA5-30586 GATA2 710242 (11HCLC), PA1-100 RUNX1 701202 (3H2L6), 710233 (3HCLC) Angiogenic hematopoietic progenitors CD235a (Glycophorin A) MA5-12484 (JC159), MHGLA01 (CLB-ery-1 (AME-1) Hematopoietic progenitors CD43 MA5-12194 (MDF-T1), MA5-13923 (84-3C1), MA1-34375 (MT-1), MA5-16978 (W3/13) Hematopoietic stem cells CD34 RM3604 (MEC 14.7), 180227 (BI-3C5), CD3458101 (581) cKIT/CD117 700135, 701494, 710523, 180384, 348800, CD11700, PA5-16458, PA5-16770, RM6221 CD90 (THY-1) MA5-16683 (FF-10), MA5-17747 (5a-8), MA5-17752 (IBL-1) CD49f (Integrin a6) 701178 (5H14L18), 710209 (5HCLC) CD3e 070303, 080102, 180102, CD11213, CD11216, HM3401, MA5-13349 (SP1), MA5-14482 (EP449E), MHCD0300, etc CD45 18-0367 (MEM28/MEM56/MEM55), CD11208 (HI30), MA5-12795 (Bra55), MA5-13197 (PD7/26/16 + 2B11), MCD4500 (30-F11) MHCD4501 (HI30), MR6918 (OX-1) Ly6A/E (SCA-1) MA1-70082 (D7), MA5-17833 (CT-6A/6E), A18486 (D7) Negative marker CD38 MA5-14413 (38C03 (SPC32)), MHCD3801 (HIT2) B. C. Adipocyte Cell: peripheral blood lymphocytes Concentration: 0.5 Âľg/test (100 ÂľL) Cell: R.bone marrow Concentration: 1 Âľg/test (100 ÂľL) A. References 1. Murphy MB, Moncivais K, Caplan AI (2013) Mesenchymal stem cells: environmentally responsive therapeutics for regenerative medicine. Exp Mol Med 45:e54. 2. Dominici M, Le Blanc K, Mueller I et al. (2006) Minimal criteria for defining multipotent mesenchymal stromal cells. The International Society for Cellular Therapy position statement. Cytotherapy 8(4):315–317. 3. Williams AR, Hare JM (2011) Mesenchymal stem cells: biology, pathophysiology, translational findings, and therapeutic implications for cardiac disease. Circ Res 109(8):923–940. 4. Lim WF, Inoue-Yokoo T, Tan KS et al (2013) Hematopoietic cell differentiation from embryonic and induced pluripotent stem cells. Stem Cell Res Ther 4(3):71. Figure 3.7 (A) Ly-6A/E Monoclonal Antibody, PE Conjugate (D7). Flow cytometry of C57BL/6 mouse bone marrow cells using anti-mouse Ly-6A/E PE antibody (Cat. No. A18486) and anti-mouse CD117 (c-Kit) APC (Cat. No. A18622). (B) CD43/SPN Monoclonal Antibody (DF-T1). (Left) Flow cytometry analysis of PBMC (peripheral blood mononuclear) cells labeled with CD43/SPN monoclonal antibody (Cat. No. MA5-12194) (green) compared to an isotype control (blue). (Right) Immunohistochemical analysis of formalin-fixed, paraffin-embedded human tonsil tissues using anti-CD43/SPN monoclonal antibody (Cat. No. MA5-12194). Note cell membrane staining of T lymphocytes. (C) CD325a/Glycoprotein A Monoclonal Antibody (JC159). Flow cytometry analysis of rat bone marrow cells labeled with anti-CD235a/glycophorin A monoclonal antibody (Cat. No. MA5-12484) (blue). Isotype control is also shown (green). Multipotent stem cells 13 Antibodies for stem cell research | Multipotent stem cells
  • 16. As mentioned in an earlier section, one of the key applications of pluripotent stem cells (PSCs) is cell therapy. Chronic liver disease and diabetes are fast-growing diseases that affect over 600 million and 300 million people worldwide, respectively. Given that there is a steady increase in the demand for transplantable tissues together with the scarcity and low quality of the donor cells, PSC-derived transplantable liver and beta cells hold great promise for the treatment of affected people. Despite challenges in generating functional mature liver and pancreatic beta cells from PSCs in vitro, sequential differentiation strategies have been recently reported that allowed for generation of functional glucose-responsive insulin-secreting beta cells1,2 and hepatocyte-like cells that have some hepatic activities.3 PSCs are first induced to generate definitive endoderm that contains a large number of cells expressing SOX17, FOXA2, and CXCR4 (Figure 4.1 and Table 4.1). For the pancreatic lineage, definitive endoderm gives rise to primitive gut tube (HNF1b+ /FoxA2+ ), posterior foregut (PDX1+ /HNF6+ / SOX9+ ), and then pancreatic endoderm that contains early pancreatic progenitors (PDX1+ /NKX6.1+ ). PDX1 (a pancreatic homeodomain transcription factor) (Figure 4.2) and NKX6.1 (a homeobox transcription factor) are key markers for multipotent pancreatic progenitors that give rise to pancreatic endocrine precursors that first express NGN3, which then induces the expression of NEUROD1 and NKX2.2. PDX1+ / NKX6.1+ /NEUROD1+ endocrine cells then differentiate to immature beta cells that are insulin+ /glucagon– /somatostatin– , and finally to mature beta cells that also express mature beta cell markers such as UCN3, MAFA, and C-peptide. These PSC derived beta cells are reported to secrete insulin and flux Ca2+ in response to glucose stimulation, suggesting that these are functional beta cells. For the hepatic lineage, induced PSC (iPSC)-derived hepatocyte-like cells (iHLCs) can be generated via step-wise differentiation from definitive endoderm to become foregut hepatic specified endoderm (HHEX+ , HNF1B+ , and FOXA2+ ) and then hepatoblasts (Îą-fetoprotein+ , CK14+ , and Prox1+ ), before maturing into iHLCs expressing prototypical hepatocyte markers such as albumin, Îą1-antitrypsin, and Îą-fetoprotein (Figure 4.1 and Table 4.1). Unlike mature human hepatocytes, iHLCs have lower expression of key detoxification enzymes such as CYP3A4 and 2A6. Strategies are being developed to further mature iHLCs to become functional hepatocytes. Pluripotent stem cell differentiation Definitive endoderm, hepatocytes and pancreatic beta cells Oct4 SSEA4 TRA-1-60 TRA-1-81 PSCs FOXA2+ SOX17+ CXCR4+ Definitive endoderm Stage 1 FOXA2+ HNF1B+ Primitive gut tube Stage 2 PDX1+ HNF6+ SOX9+ Posterior foregut Stage 3 PDX1+ NKX6.1+ SOX9+ Pancreatic endoderm Stage 4 PDX1+ NKX6.1+ NEUROG3+ Pancreatic endocrine precursors Stage 5 PDX1+ NKX6.1+ NEUROD1+ Immature beta cells Stage 6 PDX1+ NKX6.1+ NEUROD1+ Maturing beta cells Stage 7 Foregut endoderm AFP CK14 Prox1 TBX3 Hepatic endoderm (hepatoblasts) Albumin AAT APOF HNF4A Cyp3A4 UGT1A Hepatocyte-like cells HNF1B HHEX FoxA2 Insulin+ Glucagon– NKX2.2+ NEUROD1+ NKX2.2+ MAFA+ Insulin+ Glucagon– UCN3+ C-peptide+ Figure 4.1. Schematic diagram of in vitro PSC differentiation to generate beta cells and hepatocyte-like cells. Antibodies for stem cell research | Pluripotent stem cell differentiation—Definitive endoderm, hepatocytes and pancreatic beta cells 14
  • 17. References 1. Rezania A, Bruin JE, Arora P et al. (2014) Reversal of diabetes with insulin-producing cells derived in vitro from human pluripotent stem cells. Nat Biotechnol 32(11):1121–1133. 2. Pagliuca FW, Millman JR, Gurtler M et al. (2014) Generation of functional human pancreatic β cells in vitro. Cell 159(2):428–439. 3. Schwartz RE, Fleming HE, Khetani SR, Bhatia SN (2014) Pluripotent stem cell–derived hepatocyte-like cells. Biotechnol Adv 32(2):504–513. Figure 4.2. Analysis of PDX-1 expression using PDX-1 antibody (PA3-830). (A) Western blot of PDX-1 in human pancreatic cancer cells MIA-1, PANC-1 and CAPAN-1 using PDX-1 antibody (Cat. No. PA3-830). (B) Immunohistochemistry was performed on normal biopsies of deparaffinized human pancreas tissue using the PDX-1 antibody or without primary antibody (negative control). (C) Immunofluorescent staining of PDX-1 in mouse islet cells using PA3-830 and counterstaining (merge) with insulin. The PA3-830 antibody recognizes both cytoplasmic and nuclear proteins. Formalin-fixed tissues can cause high background, so counterstaining with another antibody which is mainly expressed in the cytoplasm (i.e., insulin) is recommended. Table 4.1. Representative definitive endoderm and pancreatic and hepatic lineage markers. Cell type Target Antibody product number (clone number) Definitive endoderm FOXA2 MA5-15542 (7H4B7), A16568 SOX17 PA5-23352, PA5-23852 CXCR4 358800 (12G5), PA3305, PA516529 cKIT 700135 (53H8L29), 701494 (HC34LC14), 710523 (2HCLC), 180384 (2E4), 348800, CD11700 (104D2) PA5-16458, PA5-16770, RM6221 (2B8) GATA4 PA1-102 GATA6 PA1-104 Pancreatic lineage PDX1 PA3830 Negative surface marker (polyhormonal endocrine cells, not pancreatic progenitors) Chromogranin A MA513096 (LK2H10), MA513281 (PHE5), MA514536 (SP12), PA516685, 180094 Beta cells Insulin MA5-12029 (INS04 (E2-E3)), MA5-12037 (INS05 (2D11-H5)), MA5-12042 (INS04 + INS05), 701265 (19H4L12), 710289 (19HCLC) Negative markers Somatostatin PA5-16253 Negative markers Glucagon 701296 (24H1L3), 710316 (3HCLC), 710320 (24HCLC) Hepatic lineage HNF1B PA1-24459 alpha Fetoprotein 710486 (9HCLC), 18-003 (ZSA06), MA5-1275 (C3), MA5-14665 (F1-6P2A8- P2B9A9), MA5-14666 (P5B8), PA5-16658, PA5-16801 PROX1 P21936 (5G10) CK14 MA5-11596 (LL002), PA5-16722 Albumin (ALB) MA5-14698 (1E1), MA5-14717 (10C7), MA5-14718 (12D12), MA5-14677 (2B12), PA5-16600 AAT MA5-14661 (TMF1#4B5), MIA1102 (TMF1#2-1D1), MA5-15521 (2B12) Cytochrome P450 3A4 PA1-343 Cytochrome P450 3A4 + 3A5 MA3-032 (F24 P2 B10) B. C. A. Pluripotent stem cell differentiation Definitive endoderm, hepatocytes and pancreatic beta cells 15 Antibodies for stem cell research | Pluripotent stem cell differentiation—Definitive endoderm, hepatocytes and pancreatic beta cells
  • 18. Recent advances in our understanding of stem cell biology, neuroscience, and reprogramming technologies have opened up new avenues of research for developing potential treatments for incurable neurodegenerative diseases and neuronal injuries.1 Because stem cells have the capacity to self-renew and generate differentiated cells, stem cell replacement therapy for central and peripheral nervous system disorders and injuries strives to repopulate the affected neural tissue with neurons and other neural cells. One of the main strategies toward this end aims to recapitulate the normal development of the nervous system by activating the endogenous regenerative capacity of the neural stem cells, or by transplanting neural or embryonic cells. Mammalian neurogenesis begins with the induction of neuroectoderm, which forms the neural plate and then folds to give rise to the neural tube. These structures are made up by a layer of neuroepithelial progenitors (NEPs). NEPs can be rapidly turned into primitive neural stem cells (NSCs).2 NSCs are self-renewing, multipotent progenitors present in the developing and adult mammalian central nervous system. NSCs and neural progenitor cells are present throughout development and persist in the adult nervous system. Multiple classes of NSCs have been identified that differ from each other in their differentiation abilities, their cytokine responses, and their surface antigen characteristics. NSCs derived in vitro from pluripotent stem cells (PSCs) are characterized by the expression of a specific set of markers such as transcription factors SOX1, SOX2, PAX6, and type VI intermediate filament protein Nestin (Figure 5.1). SOX1 is involved in triggering early neurogenesis and functions to maintain NSCs in an undifferentiated state. SOX2 is a key transcription factor that maintains the self-renewal properties of both PSCs and NSCs. PAX6 serves as a neuroectoderm marker during early neurogenesis. Once NSCs are established, if they continue to express PAX6, they may be restricted to specific neuronal subtype fates.3 Nestin is also expressed during early development of the CNS, then disappears upon differentiation of NSCs into mature neurons or glial cells. During neural differentiation, NSCs undergo progressive lineage restrictions (Figure 5.2) leading to the generation of glial progenitors (CD44+ /A2B5+ ) that can become astrocytes (GFAP+ ) (Figure 5.3) and oligodendrocytes (Galc+ and O4+ ). The other branch of the lineage restriction is the neuronal path leading to various types of neurons (Figure 5.4) such as dopaminergic (DA) (Figure 5.5), GABAergic (GABA) (Figure 5.6), and motor neurons. The progress in developing methodologies for NSC isolation, their derivation from PSCs, and expansion in vitro has made it possible to use NSCs as promising tools for basic developmental research and cell therapy.2 Various differentiation protocols have also been developed to derive a particular neuronal subtype directly from PSCs, such as DA neurons.4 These approaches allow the generation of specific type of neurons that are relevant to the disease of interest. B. A. Nestin (MA1110) Pax6 (MA1109) Sox2 (PA1049) Overlay with DAPI Overlay with DAPI Isotype control FL1-488 FL1-488 FL1-488 Isotype control Isotype control Pax6 (MA1109) Nestin Sox2 Figure 5.1. Characterization of neural stem cells derived in vitro from iPSCs. Neural stem cells were derived from PD-3 iPSCs using Gibco™ PSC Neural Induction Medium (Cat. No. A1647801). (A) Immunocytochemistry analysis was done using using anti-Nestin (Cat. No. MA1-110) followed by Thermo Scientific™ DyLight™ 488 goat anti-mouse (Cat. No. 35502, green), anti-SOX2 (Cat. No. PA1-049) followed by Thermo Scientific™ DyLight™ 594 goat anti-rabbit (Cat. No. 35560, red) and anti-Pax6 (Cat. No. MA1-109) followed by DyLight 488 goat anti-mouse (Cat. No. 35502, green). (B) Flow cytometry analysis was done using the same primary antibodies followed by Thermo Scientific™ DyLight™ 488 goat anti-rabbit (Cat. No. 35552). Pluripotent stem cell differentiation Neural lineages Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages 16
  • 19. Neural stem cells Nestin Sox1 Astrocytes Oligodendrocytes PDGFÎą NG2 O4 Neurons ßIII tubulin MAP-2 Neurofilament DA neuron: Tyrosine hydroxylase (TH) Serotonergic neruon: 5-HT GABAergic neuron: GABA Motor neuron: Choline acetyltransferase (ChAT) GalC CNPase MBP PSA-NCAM A2B5 CD44 Neuronal progenitor Glial progenitor PSCs Multipotent progenitor Lineage restricted progenitor ESCs iPSCs GFAP Figure 5.2. Differentiation paths of PSCs to neural lineages. CD44/GFAP/DAPI Figure 5.3. Immunofluoresence analysis of glial progenitors and astocytes using CD44 and GFAP antibodies. PD-3 NSCs were induced with glial differentiation medium for 25 days. Cells were fixed, permeabilized and co- stained with anti-GFAP (Cat. No. 18-0063) followed by Alexa Fluor 488 goat anti-rabbit (Cat. No. A-11034, green) and anti-CD44 followed by Invitrogen™ Alexa Fluor™ 594 goat anti-mouse (Cat. No. A-11005, red). Nuclear DNA was stained with DAPI (blue). No Ab bIII-Tubulin Ab (MA1-118) Human brain tissue Figure 5.4 Beta-3 Tubulin Monoclonal Antibody (2G10). (Top) Western blot detection of Beta-3 tubulin in various brain (mouse, rat, rabbit, pig, cow, hamster and guinea pig), SHSY5Y (human neuroblast), and HeLa (immortalized human cervical carcinoma) cell lysates using anti-Beta-3 tubulin monoclonal antibody (Cat. No. MA1-118). (Bottom) Immunohistochemical analysis of de-paraffinized human brain tissues using anti-Beta-3 tubulin monoclonal antibody (Cat. No. MA1-118) (right) compared to control with no antibody (left). Counterstained with hematoxylin. Figure 5.5. Immunofluorescence analysis of DA neurons using anti- tyrosine hydroxylase (TH) antibody. H9 ESCs were differentiated with PSC Neural Induction Medium (Cat. No. A1647801). H9 ESCs were specified to become midbrain floor plate (FP) progenitors which were further expanded and cryopreserved. Recovered FP progenitors were then matured for an additional 14 days. Expression of TH was labeled with first antibody, anti-TH (Cat. No. P21962) followed by second antibody Invitrogen™ Alexa Fluor™ 488 goat anti-rabbit (Cat. No. A-21206, green). Nuclear DNA was stained with DAPI (blue). Pluripotent stem cell differentiation Neural lineages Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages 17
  • 20. Table 5.1. Representative markers for neural lineage. Cell type Target Antibody product number (clone number) Neural Stem Cells PAX6 426600, MA1-109 (13B10-1A10), MA1-109-D488 SOX2 48-1400 (20G5), MA1-014 (20G5), MA1-014-D488, MA1-014-D550, MA1-014-D650, MA1-014-HRP, PA1094 SOX1 PA5-23351, PA5-23370 Nestin MA1-110 FOXG1 PA5-26794, PA1-31654 PAX3 701147, 710178, 38-1801 Glial/Astrocytes CD44 701406 (19H8L4), 710413 (19HCLC), MA5-12394 (5F12), MA5-13887 (156-3C11), MA5-13890 (156-3C11), MHCD4401 (MEM-85), MHCD4404, RM5704 (IM7.8.1) GFAP 180063, 180021, 13-0300 (2.2B10), MA5-12023 (ASTRO6), PA5-1691, A21282 (131-1771), A21294, A21295 S100beta 701340 (16H24L21), 710363 (16HCLC) OPCs/Oligodendrocytes A2B5 433110 (105) OLIG2 P21954 NG2 37-2300 (N143.8), 37-2700 (D120.43/D4.11/N143.8/N109.6) PDGFRa PA5-16571, PA5-16742, 701142 (7H13L1), 710169 (7HCLC) MBP PA5-16413 APC PA5-16883 Neurons 3-tubulin MA1-118 (2G10), 480011 (38F4) MAP2 MA5-12823 (AP20), 13-1500 (M13), MA5-12826 (AP18) DCX 48-1200 Neuroilement pan, H, M, L 1801717, MA12012 (3G3), MA1-2010 (DA2), MA1-2011 (3H11), 130500 (RMO-44), 130700 (RMO-270), 341000 (RMO 14.9), 131300 (RMdO-20) DA progenitor/DA neurons OTX2 MA5-15854 (1H12C4B5), MA5-15855 (1H12G8B2), PA5-23406, PA5-29914 TH P21962 PITX3 701181 (5H10L5), 710212 (7M5HCLC), 38-2850 GABA neurons GAD2 / GAD65 398200 (ZG002), PA5-32430, PA5-22260, PA5-18369, MA5-18053 (144) GABA PA5-32241 GAD65 and GAD67 PA1-84572 Calretinin 710559 (4HCLC), 180211, 180291 (Z11-E3), MA5-11479 (5A5), MA5-12539 (DAK Calret 1), MA5-14540 (SP13), PA5-16681 Calbindin PA5-32284 Somastostatin PA5-16253, MA5-16987 (YC7) Motor neuron progenitor/Motor neuron Olig1/2 P21954 NKX6.1/6.2 PA5-23070 HoxB4 PA5-23366 NGN2 PA5-34472, PA5-11892 ISL1 MA5-15515 (1H9), MA5-15516 (1B1), PA5-27789 ChAT PA1-4710, PA1-4738, PA1-9027, PA1-18313, PA5-29653 HB9 (MNX1) PA5-23407 Synapsin A6442 Pluripotent stem cell differentiation Neural lineages Antibodies for stem cell research | Pluripotent stem cell differentiation—Neural lineages 18
  • 21. Despite the enthusiasm for the use of stem cells in neurological disorders, there are significant challenges to be addressed. For instance, systems need to be optimized to consistently produce high quality neural subtypes. A thorough characterization of NSCs, a better understanding of neural patterning, and the generation of all three major cell types that constitute the central nervous system (i.e., neurons, astrocytes, and oligodendrocytes) (Table 5.1), as well as the microenvironments that can support them, is crucial to increase the likelihood of clinical success.1 References 1. Ichida JK, Kiskinis E (2015) Probing disorders of the nervous system using reprogramming approaches. EMBO J 34(11):1456–1477. 2. Gage FH, Temple S (2013) Neural stem cells: generating and regenerating the brain. Neuron 80(3):588–601. 3. Zhang X, Huang CT, Chen J et al. (2010) Pax6 is a human neuroectoderm cell fate determinant. Cell Stem Cell 7(1):90–100. 4. Kriks S, Shim JW, Piao J et al. (2011) Dopamine neurons derived from human ES cells efficiently engraft in animal models of Parkinson’s disease. Nature 480(7378):547–551. GABA bIII-Tub GABA/bIII-Tub/DAPI Figure 5.6. Immunofluorescence analysis of GABA neurons using anti- GABA antibody. GABAergic precursor cells derived from H9 embryonic stem cells were differentiated for 7 days and stained with antibodies against GABA (Cat. No. PA5-32241 at 1:5000) followed by Alexa Fluor 488 goat anti-rabbit (Cat. No. A-21206, green) and neuronal marker Beta III tubulin (Cat. No. 480011 at 1:1000) followed by Alexa Fluor 594 goat anti-mouse (Cat. No. A-11005, red). Nuclear DNA was stained with DAPI (blue). Pluripotent stem cell differentiation Neural lineages 19 For Research Use Only. Not for use in diagnostic procedures. Š 2015 Thermo Fisher Scientific Inc. Find out more at thermofisher.com/antibodies
  • 22. Antibodies: powerful tools for stem cell research Our antibodies are validated by many citations worldwide, helping you achieve superior experimental results in a wide range of antibody applications. To access our antibody search tool and find the right antibody for your research, go to thermofisher.com/antibodies Table A.1. Representative publications referencing our antibodies. Product Reference Application CD43/SPN Mouse Monoclonal Antibody (DF-T1) (Cat. No. MA5-12194) Boudova L, Kazakov DV, Jindra P et al. (2006) Primary cutaneous histiocyte and neutrophil-rich CD30+ and CD56+ anaplastic large-cell lymphoma with prominent angioinvasion and nerve involvement in the forehead and scalp of an immunocompetent woman. J Cutan Pathol 33(8):584–589. IHC PDX-1 Rabbit Monoclonal Antibody (Cat. No. PA3-830) Wang XP, Li ZJ, Magnusson J et al. (2005) Tissue microarray analyses of pancreatic duodenal homeobox-1 in human cancers. World J Surg 29(3):334–338. IHC GFAP (Glial Fibrillary Acid Protein) Rabbit Polyclonal Antibody, Concentrate (Cat. No. 18-0063) Jung HJ, Coffinier C, Choe Y et al. (2012) Regulation of prelamin A but not lamin C by miR-9, a brain-specific microRNA. Proc Natl Acad Sci USA 109(7):E423–431. IF, WB c-Myc Mouse Monoclonal Antibody (9E10) (Cat. No. MA1-980) Gleyzer N, Scarpulla RC (2013) Activation of a PGC-1-related coactivator (PRC)-dependent inflammatory stress program linked to apoptosis and premature senescence. J Biol Chem 288(12):8004–8015. WB Actin Smooth Muscle Mouse Monoclonal Antibody, Biotin Conjugate (1A4(asm-1)) (Cat. No. MA5-11544) Rea S, Giles NL, Webb S et al. (2009) Bone marrow-derived cells in the healing burn wound—more than just inflammation. Burns 35(3):356–364. Flow CD105/Endoglin Mouse Monoclonal Antibody (SN6h) (Cat. No. MA5-11854) Zhang X, Xu Y, Thomas V et al. (2011) Engineering an antiplatelet adhesion layer on an electrospun scaffold using porcine endothelial progenitor cells. J Biomed Mater Res A 97(2):145–151. Flow CD44/H-CAM Mouse Monoclonal Antibody (5F12) (Cat. No. MA5-12394) Funayama K, Shimane M, Nomura H et al. (2010) An evidence for adhesion-mediated acquisition of acute myeloid leukemic stem cell-like immaturities. Biochem Biophys Res Commun 392(3):271–276. ICC Abbreviations: Flow, flow cytometry; ICC, immunocytochemistry; IF, immunofluorescence; IHC, immunohistochemistry; WB, western blotting Appendix Antibodies for stem cell research | Appendix 20
  • 23. Enzyme-linked immunosorbent assay (ELISA) Overview of ELISA Technology Assay Development Technical Handbook ELISA Development and Optimization ELISA Enzyme Substrates Selection Guide Immunostaining Immunostaining Guide Cell Staining Simulation Tool Immunofluorescence Imaging Immunohistochemistry Molecular Probes™ School of Fluorescence Flow cytometry Molecular Probes™ Flow Cytometry Products and Research Guide Molecular Probes™ Flow Cytometry Reagent Guide and Protocols App Fluorescence SpectraViewer Western blotting Overview of Western Blotting Western Blot Workflow Selection Guide Western Blot Chemiluminescent Substrate Selection Guide Western Blotting Handbook and Troubleshooting Guide Immunoprecipitation (IP) IP with Dynabeads™ and Other Magnetic Beads IP with Agarose and Other Resins ChIP, RIP, and Protein-Nucleic Acid Pull-Down Magnetic Beads and Kits Luminex assays How Luminex™ Technology Works Measure Multiple Signaling Proteins in a Single Microplate Well Luminex™ FAQs Free guide to protein analysis and antibody purification Image gallery thermofisher.com/tech-library Protocol and resource guide Thermo Fisher Scientific Technical Support— let our knowledge work for you View resources by application > thermofisher.com/us/en/home/technical-resources Find your answers online
  • 24. Find out more at thermofisher.com/antibodies Receive your free Stem Cell Research Poster at thermofisher.com/stemcellantibody-poster For Research Use Only. Not for use in diagnostic procedures. Š 2015 Thermo Fisher Scientific Inc. All rights reserved. Luminex is a trademark of Luminex Corporation. All other trademarks are the property of Thermo Fisher Scientific and its subsidiaries. CO36961 0615 Pluripotent Stem Cell Markers Key markers expressed in pluripotent stem cells. Target Antibody product number (clone number) Applications OCT4/POU5F 1 A13998, MA1104 (9B7), MA1104D48 8,MA1104D5 50, MA1104HRP ICC, FACS, WB SSEA4 MA1021 (MC-813-70) , MA1021D48 8, MA1021D55 0, MA1021D65 0, MA1021PE ICC/IF, FACS TRA-1-60 411000 (cl.A), MA1023 (tra-1-60), MA1023D48 8, MA1023D55 0, MA1023D65 0, MA1023HRP, MA1023PE ICC/IF, FACS, WB TRA-1-81 411100 (cl.26), MA1024 (tra-1-81), MA1024D48 8, MA1024D55 0, MA1024D65 0, MA1024HRP, MA1024PE ICC, FACS, WB NANOG MA1017 (23D2-3C6), MA1017D48 8, MA1017D55 0, MA1017D65 0, MA1017HRP, PA1-097 ICC, FACS, WB SOX2 48-1400 (20G5), MA1014 (20G5), MA1014D48 8, MA1014D55 0, MA1014D65 0, MA1014HRP, PA1094 ICC, FACS, WB, IP, ChIP LIN28 MA1016 (14E6-4E6), MA1016D48 8, MA1016D55 0, MA1016D65 0, MA1016HRP, PA1-096 ICC, FACS, WB SSEA1 MA1022 (MC-480), MA1022D48 8, MA1022D55 0, MA1022D65 0, MA1022PE, 18-0122 (MY-1), 41-1200, MHCD1501 (VIMC6), MHCD1504, MHCD1528, MHCD1530 FACS , ICC/IF SSEA3 41-4400 (MC631), MA1-020 (MC-631), MA1-020D48 8, MA1020D65 0, MA1020PE ICC/IF, FACS c-MYC MA1-980 (9E10), 700648 (27H46L35), 13-2500 (9E10), 13-2511 (9E10), A21280 (289-19510) , A21281, AHO0052 (9E11) ICC, FACS, IHC, WB, ELISA REX1 701159 (14H16L9), 710190 (14HCLC) ICC, ChIP, WB KLF4 PA1-095 WB DNMT3b PA1-884 WB, IHC Abbreviations: ChIP, chromatin immunoprecipita tion; ICC, immunocytochem istry; IF, immunofluoresce nce; IHC, immunohistoche mistry; FACS, Fluorescence-ac tivated cell sorting; WB, western blot Endoderm, Mesoderm and Ectoderm Markers Representativ e three germ layer markers Germ layer Target Antibody product number (clone number) Mesoderm Smooth Muscle Actin MA5-11544 (1A4 (asm-1)), MA5-11547, PA5-16697, 701457 (17H19L35), 710487 (17HCLC), 18-0106 (1A4), MA1-744 (mAbGEa) ABCA4 P21933 (3F4) NKX2.5 701622 (4H5L9), 710634 (4HCLC) PDGFRÎą 701142 (7H13L1), 710169 (7HCLC), PA516571, PA516742, Endoderm Alpha Feto-protein 710486 (9HCLC), 18-003 (ZSA06), MA5-1275 (C3), MA5-14665 (F1-6P2A8-P 2B9A9), MA5-14666 (P5B8), PA5- 16658, PA5-16801 KLF5 42-3200 GATA4 PA1-102 GATA6 PA1-104 PDX-1 PA3-830 Ectoderm Beta III Tubulin MA1-118 (2G10) Pax3 701147, 710178, 38-1801 Sox1 PA5-23351, PA5-23370 Otx2 MA5-15854 (1H12C4B5), MA5-15855 (1H12G8B2), PA5-23406, PA5-29914 Pancreatic and Hepatic Lineage Markers Representativ e definitive endoderm and pancreatic and hepatic lineage markers Cell type Target Antibody product number (clone number) Definitive endoderm FoxA2 MA5-15542 (7H4B7), A16568 Sox17 PA5-23352, PA5-23852 CXCR4 358800 (12G5), PA3305, PA516529 cKit 700135 (53H8L29), 701494 (HC34LC14), 710523 (2HCLC), 180384 (2E4), 348800, CD11700 (104D2) PA5-16458, PA5-16770, RM6221 (2B8) GATA4 PA1-102 GATA6 PA1-104 Pancreatic lineage PDX1 PA3830 Negative surface marker (polyhormona l endocrine cells, not pancreatic progenitors) Chromogranin A MA513096 (LK2H10), MA513281 (PHE5), MA514536 (SP12), PA516685, 180094 Beta cells Insulin MA512029 (INS04 (E2-E3)), MA512037 (INS05 (2D11-H5)), MA512042 (INS04 + INS05), 701265 (19H4L12), 710289 (19HCLC) Negative markers Somatostatin PA516253 Negative markers Glucogon 701296 (24H1L3), 710316 (3HCLC), 710320 (24HCLC) Hepatic lineage HNF1B PA124459 alpha Fetoprotein 710486 (9HCLC), 18-003 (ZSA06), MA5-1275 (C3), MA5-14665 (F1-6P2A8-P 2B9A9), MA5-14666 (P5B8), PA5-16658, PA5-16801 Prox1 P21936 (5G10) CK14 MA511596 (LL002), PA516722 Albumin (ALB) MA514698 (1E1), MA514717 (10C7), MA514718 (12D12), MA514677 (2B12), PA516600 AAT MA514661 (TMF1#4B5), MIA1102 (TMF1#2-1D1 ), MA5-15521 (2B12) Cytochrome P450 3A4 PA1343 Cytochrome P450 3A4 + 3A5 MA3032 (F24 P2 B10) Mesenchymal Stem Cell Markers Positive and negative markers for mesenchyma l stem cells Target Antibody product number (clone number) MSC–positive markers CD73 41-0200 (7G2), MA5-15537 (1D7) CD90 (Thy-1) MA5-16683 (FF-10), MA5-17747 (5a-8), MA5-17752 (IBL-1) CD105 MA5-11854 (SN6h), MA5-17041 (3A9), MA1-19231 (MEM-226), MA1-19408 (MEM-229), PA5-16895, PA1-27884, MHCD10500 (SN6) CD44 701406 (19H8L4), 710413 (19HCLC), MA5-12394 (5F12), MA5-13887 (156-3C11), MA5-13890 (156-3C11), MHCD4401 (MEM-85), MHCD4404, RM5704 (IM7.8.1) CD36 MA5-14112 (185-1G2), PA1-16813, MA1-19407 (TR9), MA5-16941 (SMØ) Nestin MA1110 (10C2) Stro-1 39-8401 (STRO-1) MSC-negative markers CD11b CD11b00 (VIM12), RM2804 (M1/70.15) CD14 MHCD1400 (TĂźK4), Q10053 (HIT2), MA511394 (7) CD19 AHS1912 (SJ25-C1), Q10379 (6D5) CD34 RM3604 (MEC 14.7), 180227 (BI-3C5), CD3458101 (581) CD79a MA511636 (JCB117), MHCD79a04 (HM47), MA5-13212 (HM47/A9), MA5-14556 (SP18), MA515234 (2F11) CD45 18-0367 (MEM28/MEM 56/MEM55), CD11208 (HI30), MA5-12795 (Bra55), MA5-13197 (PD7/26/16 + 2B11), MCD4500 (30-F11) MHCD4501 (HI30), MR6918 (OX-1) HLA-DR H11212 (TĂź36) Hem atop ietic Stem Cell Markers Representativ e markers for hematopoietic lineage Cell type Target Antibody product number (clone number) Mesoderm APLNR PA5-33343 KDR (FLK1) 360900, 392400 (ZV001), 441053G, PA516487 Hematovascu lar mesodermal precursors SCL/TAL-1 PA5-30586 GATA2 710242 (11HCLC), PA1100 Runx1 701202 (3H2L6), 710233 (3HCLC) Angiogenic hematopoietic progenitors CD235a (Glycophorin A) MA512484 (JC159), MHGLA01 (CLB-ery-1 (AME-1) Hematopoieti c progenitors CD43 MA5-12194 (MDF-T1), MA5-13923 (84-3C1), MA1-34375 (MT-1), MA5-16978 (W3/13) Hematopoieti c Stem Cells CD34 RM3604 (MEC 14.7), 180227 (BI-3C5), CD3458101 (581) cKit/CD117 700135, 701494, 710523, 180384, 348800, CD11700, PA5-16458, PA5-16770, RM6221 CD90 (Thy-1) MA5-16683 (FF-10), MA5-17747 (5a-8), MA5-17752 (IBL-1) CD49f (Integrin Îą6) 701178 (5H14L18), 710209 (5HCLC) CD3e 070303, 080102, 180102, CD11213, CD11216, HM3401, MA5-13349 (SP1), MA5-14482 (EP449E), MHCD0300, etc CD45 18-0367 (MEM28/MEM 56/MEM55), CD11208 (HI30), MA5-12795 (Bra55), MA5- 13197 (PD7/26/16 + 2B11), MCD4500 (30-F11) MHCD4501 (HI30), MR6918 (OX-1) Ly6A/E (Sca-1) MA1-70082 (D7), MA5-17833 (CT-6A/6E), A18486 (D7) Negative marker CD38 MA514413 (38C03 (SPC32)), MHCD3801 (HIT2) Neural Stem Cell, Glial lineage and Neuron Markers Representativ e markers for neural lineage Cell type Target Antibody product number (clone number) Neural Stem Cells Pax6 426600, MA1109 (13B10-1A10 ), MA1109D48 8 Sox2 48-1400 (20G5), MA1014 (20G5), MA1014D48 8, MA1014D55 0, MA1014D65 0, MA1014HRP, PA1094 Sox1 PA5-23351, PA5-23370 Nestin MA1110 FoxG2 PA5-26794, PA1-31654 Pax3 701147, 710178, 38-1801 Glial/Astrocyt es CD44 701406 (19H8L4), 710413 (19HCLC), MA5-12394 (5F12), MA5-13887 (156-3C11), MA5-13890 (156-3C11), MHCD4401 (MEM-85), MHCD4404, RM5704 (IM7.8.1) GFAP 180063, 180021, 13-0300 (2.2B10), MA5-12023 (ASTRO6), PA5-1691, A21282 (131-1771), A21294, A21295 S100beta 701340 (16H24L21), 710363 (16HCLC) OPCs/Oligode ndrocytes A2B5 433110 (105) Olig2 P21954 NG2 37-2300 (N143.8), 37-2700 (D120.43/D4 .11/N143.8/N 109.6) PDGFRÎą PA5-16571, PA5-16742, 701142 (7H13L1), 710169 (7HCLC) MBP PA5-16413 APC PA5-16883 Neurons Beta III Tubulin MA1-118 (2G10), 480011 (38F4) MAP2 MA5-12823 (AP20), 13-1500 (M13), MA5-12826 (AP18) DCX 48-1200 Neurofilemen t pan, H, M, L 1801717, MA12012 (3G3), MA12010 (DA2), MA12011 (3H11), 130500 (RMO-44), 130700 (RMO-270), 341000 (RMO 14.9), 131300 (RMdO-20) DA progenitor/ DA neurons Otx2 MA5-15854 (1H12C4B5), MA5-15855 (1H12G8B2), PA5-23406, PA5-29914 TH P21962 PITX3 701181 (5H10L5), 710212 (7M5HCLC), 38-2850 GABA neurons GAD2 / GAD65 398200 (ZG002), PA5-32430, PA5-22260, PA5-18369, MA5-18053 (144) GABA PA5-32241 GAD65 and GAD67 PA1-84572 Calretinin 710559 (4HCLC), 180211, 180291 (Z11-E3), MA511479 (5A5), MA512539 (DAK Calret 1), MA514540 (SP13), PA516681 Calbindin PA5-32284 Somastostatin PA516253, MA5-16987 (YC7) Motor neuron progenitor/mo tor neuron Olig1/2 P21954 NKX6.1/6.2 PA5-23070 HoxB4 PA5-23366 NGN2 PA5-34472, PA5-11892 ISL1 MA5-15515 (1H9), MA5-15516 (1B1), PA5-27789 ChAT PA1-4710, PA1-4738, PA1-9027, PA1-18313, PA5-29653 HB9 (MNX1) PA5-23407 Synapsin A6442 Antibodies for Stem Cell Research antibodies In the United States: For customer service, call 1-800-76 6-7000 To fax an order, use 1-800-92 6-1166 To order online in the US or Canada: thermofis her.com In Canada: For customer service, call 1-800-23 4-7437 To fax an order, use 1-800-46 3-2996 Find out more at therm ofish er.co m/st emcellan tibod ies For Research Use Only. Not for use in diagnostic procedures . Š 2015 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified. CO01566 9 0615 Antibodies for stem cell research Markers for: Pluripotent stem cell • Endoderm, mesoderm and ectoderm • Mesenchymal stem cell • Pancreatic and hepatic lineage Neural stem cell, glial lineage and neuron • Hematopietic stem cell