SlideShare a Scribd company logo
1 of 18
Download to read offline
SUITABLE SURFACE ANTIGENS FOR
MYELOMA AND NORMAL PLASMA
CELLS IDENTIFICATION AFTER
MONOCLONAL ANTIBODIES
THERAPY.
Vittorio Emanuele Muccio
Divisione Universitaria di Ematologia
Prof. M. Boccadoro
A.O.U Città della Salute e della Scienza di
Torino
Vittorio Emanuele Muccio
MULTIPLE MYELOMA
SURVIVAL
Vittorio Emanuele Muccio
Surface
markers to
identify PCs
Surface markers
to identify
MALIGNANT Cs
PLASMA CELLS AND FLOW CYTOMETRY
Vittorio Emanuele Muccio
CD38
why?
CD138
why?
CD40
B lymphocytes and Antigen-Presenting Cells
CD31
Platelets, monocytes, neutrophils and T
lymphocytes
Surface markers to identify PCs
Vittorio Emanuele Muccio
CD117
CD13
CD14CD15
CD20
CD10
CD27 CD19
CD9
CD11bCD40
CD31
CD41
CD56
CD45
CD28
CD23
CD22
CD33 CD24
CD25
CD37
CD39
CD71
HLA-DR
CD44 CD4
CD8
CD81
CD38
CD200
Surface markers to identify malignant PCs
Vittorio Emanuele Muccio
EuroFlow panel for MM MRD study
Tube 1
CD138 CD27 CD38 CD56 CD45 CD19 CD117 CD81
Tube 2
CD138 CD27 CD38 CD56 CD45 CD19 cyIgKappa cyIgLambda
Vittorio Emanuele Muccio
Immunotherapies in MM
Anti-CD38
Anti-CD138
Anti-CD56
Anti-CD319 Anti-CD40
Vittorio Emanuele Muccio
EuroFlow panel for MM MRD study
Tube 1: CD138 CD27 CD38 CD56 CD45 CD19 CD117 CD81
Tube 2: CD138 CD27 CD38 CD56 CD45 CD19 cyIgKappa cyIgLambda
Vittorio Emanuele Muccio
9th International Conference on
Human Leukocyte Differentiation Antigens (HLDA9)
82 Surface molecules
SIALOADESINES
SLAM
INTEGRINSTNF/TNFR
IRTA
CITOCHINES-R
CHEMOKINES-R CD28/B7TLR/C-TYPE LEC R
Vittorio Emanuele Muccio
# mAb Specificity Conjugated fluorochrome CD Isotype Ab Species % of positive MM
samples
20 FCRL1 PE CD307a IgG1k Mouse 0
21 FCRL2 PE CD307b IgG2Ak Mouse 0
22 FCRL3 PE CD307c IgG2Bk Mouse 0
23 FCRL4 PE CD307d IgG2Ak Mouse 0
28 Siglec-7 PE CD328 IgG1k Mouse 0
29 B7-2 PE CD86 IgG1k Mouse 64*
30 IL-10R PE CD210 IgG2ak Rat 0
31 CCR7 PE CD197 IgG2ak Rat 0
32 Siglec-9 PE CDw329 IgG1k Mouse 0
33 HB15 PE CD83 IgG1k Mouse 0
34 CTLA-4 PE CD152 IgG2ak Mouse 0
35 B7-1 PE CD80 IgG1k Mouse 0
36 IL6-Rα PE CD126 IgG1k Mouse 45
37 PD1 PE CD279 IgG1k Mouse 0
38 B7-DC PE CD273 IgG1k Mouse 0
39 IL-4Rα PE CD124 IgG1k Mouse 0
40 OX2 PE CD200 IgG1k Mouse 70*
41 gp130 PE CD130 IgG1k Mouse 45
42 IL-12R PE CD212 IgG1k Mouse 0
43 Siglec PE CD328 IgG1k Mouse 0
44 CCR2 A647 CD192 IgG2b Mouse 18
45 ICOS PE CD278 IgG1 Mouse 0
46 CXCR4 PE CD184 IgG2ak Mouse 64*
47 BTLA PE CD272 IgG1k Mouse 64*
48 CCR6 PE CD196 IgG1k Mouse 18
49 TACI PE CD267 IgG2ak Rat 0
50 CXCR5 A647 CD185 IgG2bk Rat 45
51 Integrin beta 7 chain PE NONE IgG2ak Rat 0
52 CCR1 A647 CD191 IgG2bk Mouse 27
53 Integrin beta 5 PE NONE IgG1 k Mouse 0
54 B7-H4 PE NONE IgG1 k Mouse 0
55 DR4 PE CD271 IgG1 k Mouse 0
56 CMKLR1 PE NONE IgG2a k Rat 0
57 DR5 PE CD262 IgG1 k Mouse 18
74 Integrin beta 6 PE NONE IgG2b Mouse 0
75 Dectin-1/CLEC7A PE NONE IgG2b Mouse 0
76 TREM-1 PE NONE IgG1 Mouse 10
77 Siglec-5/Siglec-14 APC CD170 IgG1 Mouse 0
78 AMICA PE NONE IgG2a Mouse 0
79 BLT1/LTB4R1 PE NONE IgG1 Mouse 10
80 Siglec-9 APC CD329 IgG2a Mouse 0
81 IL-23-R PE NONE IgG2b Mouse 9
82 Integrin alfaVbeta5 PE NONE IgG1 Mouse 0
83 CRTAM PE CD355 IgG2b Mouse 0
84 DCIR/CLEC4A PE NONE IgG1 Mouse 0
85 GITR PE NONE IgG1k Mouse 0
86 Ly9 PE CD229 IgG1k Mouse 100*
87 CRACC PE CD319 IgG2b k Mouse 100*
88 BLAST-1 PE CD48 IgG1k Mouse 100*
89 SLAMF5 PE CD84 IgG2a k Mouse 17
90 Toll-like Receptor 3 PE CD283 IgG2a k Mouse 0
91 DcR3 PE NONE IgG1k Mouse 9
92 DR3 (TRAMP) PE NONE IgG1k Mouse 0
93 NTBA PE NONE IgG1k Mouse 100*
94 HVEM PE CD270 IgG1k Mouse 45
95 TSLPR PE NONE IgG1k Mouse 0
96 TWEAK PE CD255 IgG3 k Mouse 0
97 TCL1 PE NONE IgG2b k Mouse 0
98 Galectin-3 (Mac-2) PE NONE IgG1k Mouse 0
99 GITR-L PE NONE IgG1k Mouse 0
100 Lymphotoxin beta receptor PE NONE IgG2b k Mouse 0
101 TREM-1 PE NONE IgG1k Mouse 0
106 SLAM PE CD150 IgG1k Mouse 67*
109 S1PR1 PE CD363 IgG2B Mouse 0
234 IL-15Ralfa PE NONE IgG2b k Mouse 0
235 BAFF-R PE CD268 IgG1 k Mouse 20
236 LIGHT PE CD258 IgG2b k Mouse 20
237 BAFF PE CD257 IgG1 k Mouse 40
238 CD274 PE CD274 IgG2b k Mouse 45
239 B7-H2 PE CD275 IgG2b k Mouse 20
240 CD267 PE CD267 IgG2a k Rat 20
241 NKG2D PE CD314 IgG1 Mouse 0
242 LAIR1 PE CD305 IgG2b Mouse 0
243 DEP-1 PE CD148 IgG1 Mouse 20
244 Syndecan-2 PE NONE IgG2b Rat 20
245 CXCR7/RDC-1 PE NONE IgG2a Mouse 0
246 IL21R PE NONE IgG1 Mouse 0
247 Toll-like Receptor 9 PE CD289 IgG2a k Rat 0
249 TACI PE CD267 IgG2a Mouse 40
250 ABCG2 PE CDw338 IgG2b k Mouse 0
251 BR3 PE CD268 IgG2a k Mouse 0
252 BLyS PE CD257 IgG1 k Mouse 0
In the right column the
percentage of positive
samples at diagnosis of
MM is reported.
Only antigens expressed
in >50% of patients were
selected for the second
phase of the study,
#
mAb
Specificity Conjugated
fluorochrome
CD Isotype Ab Species % of positive
MM samples
29 B7-2 PE CD86 IgG1k Mouse 64*
40 OX2 PE CD200 IgG1k Mouse 70*
46 CXCR4 PE CD184 IgG2ak Mouse 64*
47 BTLA PE CD272 IgG1k Mouse 64*
86 Ly9 PE CD229 IgG1k Mouse 100*
87 CRACC PE CD319 IgG2b k Mouse 100*
88 BLAST-1 PE CD48 IgG1k Mouse 100*
93 NTBA PE NONE IgG1k Mouse 100*
106 SLAM PE CD150 IgG1k Mouse 67*
TESTED ANTIBODIES
Vittorio Emanuele Muccio
35 NEWLY DIAGNOSED MM 15 HEALTHY SUBJECTS
CD86 CD200 CD272 CD184
CD229 CD319 CD352 CD150
CD48
SECOND PHASE OF THE STUDY
Vittorio Emanuele Muccio
PERCENTAGES OF POSITIVE PCs
*
* *
**
*
*
*
Vittorio Emanuele Muccio
MFI OF POSITIVE PCs
* *
*
*
Vittorio Emanuele Muccio
CONCLUSIONS
CD150, CD86, CD200 and CD352
allow the differentiation between healthy and tumor PCs
Useful in the MRD study after
therapy with Lorvotuzumab
(anti-CD56), Dacetuzumab or
Lucatumumab (anti-CD40)
CD352
Vittorio Emanuele Muccio
Therapeutic
targets?
CD272, CD319, CD229 e CD48 are highly
expressed by PCs
CONCLUSIONS
Lymphocytes Monocytes Granulocytes
CD150 + + +- - - - - - -
CD352 ++ ++ ++ - - - - - -
CD86 - - - + + + - - -
CD319 -+ -+ -+ - - - - - -
CD272 + + + - - - - - -
CD184 + + + - - - - - -
CD48 + + + + + + - - -
CD229 - - - - - - - - -
CD200 - - - - - - - - -
Vittorio Emanuele Muccio
Useful to carachterize PCs
in the MRD study after
therapy with BT062 (anti-
CD138) or Daratumumab
(anti-CD38)
CONCLUSIONS
Vittorio Emanuele Muccio
A.O.U Città della Salute e della Scienza di
Torino
Divisione Universitaria di Ematologia
Prof. M. Boccadoro
Dott.ssa Paola Omedè
Gilestro Milena
Saraci Elona
Astolfi Monica
Oddolo Daniela
Caltagirone Simona
Ruggeri Marina
Marzanati Eleonora
Aschero Simona
Gattei Valter
Zucchetto Antonella
Vittorio Emanuele Muccio
Vittorio Emanuele Muccio

More Related Content

Recently uploaded

Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
US Environmental Protection Agency (EPA), Center for Computational Toxicology and Exposure
 
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptxNanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
ssusera4ec7b
 
Heat Units in plant physiology and the importance of Growing Degree days
Heat Units in plant physiology and the importance of Growing Degree daysHeat Units in plant physiology and the importance of Growing Degree days
Heat Units in plant physiology and the importance of Growing Degree days
Brahmesh Reddy B R
 

Recently uploaded (20)

GBSN - Biochemistry (Unit 8) Enzymology
GBSN - Biochemistry (Unit 8) EnzymologyGBSN - Biochemistry (Unit 8) Enzymology
GBSN - Biochemistry (Unit 8) Enzymology
 
ANITINUTRITION FACTOR GYLCOSIDES SAPONINS CYANODENS
ANITINUTRITION FACTOR GYLCOSIDES SAPONINS CYANODENSANITINUTRITION FACTOR GYLCOSIDES SAPONINS CYANODENS
ANITINUTRITION FACTOR GYLCOSIDES SAPONINS CYANODENS
 
Heads-Up Multitasker: CHI 2024 Presentation.pdf
Heads-Up Multitasker: CHI 2024 Presentation.pdfHeads-Up Multitasker: CHI 2024 Presentation.pdf
Heads-Up Multitasker: CHI 2024 Presentation.pdf
 
X-rays from a Central “Exhaust Vent” of the Galactic Center Chimney
X-rays from a Central “Exhaust Vent” of the Galactic Center ChimneyX-rays from a Central “Exhaust Vent” of the Galactic Center Chimney
X-rays from a Central “Exhaust Vent” of the Galactic Center Chimney
 
NuGOweek 2024 programme final FLYER short.pdf
NuGOweek 2024 programme final FLYER short.pdfNuGOweek 2024 programme final FLYER short.pdf
NuGOweek 2024 programme final FLYER short.pdf
 
ABHISHEK ANTIBIOTICS PPT MICROBIOLOGY // USES OF ANTIOBIOTICS TYPES OF ANTIB...
ABHISHEK ANTIBIOTICS PPT MICROBIOLOGY  // USES OF ANTIOBIOTICS TYPES OF ANTIB...ABHISHEK ANTIBIOTICS PPT MICROBIOLOGY  // USES OF ANTIOBIOTICS TYPES OF ANTIB...
ABHISHEK ANTIBIOTICS PPT MICROBIOLOGY // USES OF ANTIOBIOTICS TYPES OF ANTIB...
 
EU START PROJECT. START-Newsletter_Issue_4.pdf
EU START PROJECT. START-Newsletter_Issue_4.pdfEU START PROJECT. START-Newsletter_Issue_4.pdf
EU START PROJECT. START-Newsletter_Issue_4.pdf
 
Fun for mover student's book- English book for teaching.pdf
Fun for mover student's book- English book for teaching.pdfFun for mover student's book- English book for teaching.pdf
Fun for mover student's book- English book for teaching.pdf
 
Taphonomy and Quality of the Fossil Record
Taphonomy and Quality of the  Fossil RecordTaphonomy and Quality of the  Fossil Record
Taphonomy and Quality of the Fossil Record
 
Film Coated Tablet and Film Coating raw materials.pdf
Film Coated Tablet and Film Coating raw materials.pdfFilm Coated Tablet and Film Coating raw materials.pdf
Film Coated Tablet and Film Coating raw materials.pdf
 
PHOTOSYNTHETIC BACTERIA (OXYGENIC AND ANOXYGENIC)
PHOTOSYNTHETIC BACTERIA  (OXYGENIC AND ANOXYGENIC)PHOTOSYNTHETIC BACTERIA  (OXYGENIC AND ANOXYGENIC)
PHOTOSYNTHETIC BACTERIA (OXYGENIC AND ANOXYGENIC)
 
Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
Chemistry Data Delivery from the US-EPA Center for Computational Toxicology a...
 
GBSN - Microbiology (Unit 5) Concept of isolation
GBSN - Microbiology (Unit 5) Concept of isolationGBSN - Microbiology (Unit 5) Concept of isolation
GBSN - Microbiology (Unit 5) Concept of isolation
 
Vital Signs of Animals Presentation By Aftab Ahmed Rahimoon
Vital Signs of Animals Presentation By Aftab Ahmed RahimoonVital Signs of Animals Presentation By Aftab Ahmed Rahimoon
Vital Signs of Animals Presentation By Aftab Ahmed Rahimoon
 
dkNET Webinar: The 4DN Data Portal - Data, Resources and Tools to Help Elucid...
dkNET Webinar: The 4DN Data Portal - Data, Resources and Tools to Help Elucid...dkNET Webinar: The 4DN Data Portal - Data, Resources and Tools to Help Elucid...
dkNET Webinar: The 4DN Data Portal - Data, Resources and Tools to Help Elucid...
 
MSCII_ FCT UNIT 5 TOXICOLOGY.pdf
MSCII_              FCT UNIT 5 TOXICOLOGY.pdfMSCII_              FCT UNIT 5 TOXICOLOGY.pdf
MSCII_ FCT UNIT 5 TOXICOLOGY.pdf
 
Polyethylene and its polymerization.pptx
Polyethylene and its polymerization.pptxPolyethylene and its polymerization.pptx
Polyethylene and its polymerization.pptx
 
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptxNanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
Nanoparticles for the Treatment of Alzheimer’s Disease_102718.pptx
 
Heat Units in plant physiology and the importance of Growing Degree days
Heat Units in plant physiology and the importance of Growing Degree daysHeat Units in plant physiology and the importance of Growing Degree days
Heat Units in plant physiology and the importance of Growing Degree days
 
POST TRANSCRIPTIONAL GENE SILENCING-AN INTRODUCTION.pptx
POST TRANSCRIPTIONAL GENE SILENCING-AN INTRODUCTION.pptxPOST TRANSCRIPTIONAL GENE SILENCING-AN INTRODUCTION.pptx
POST TRANSCRIPTIONAL GENE SILENCING-AN INTRODUCTION.pptx
 

Featured

Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
Kurio // The Social Media Age(ncy)
 

Featured (20)

AI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdfAI Trends in Creative Operations 2024 by Artwork Flow.pdf
AI Trends in Creative Operations 2024 by Artwork Flow.pdf
 
Skeleton Culture Code
Skeleton Culture CodeSkeleton Culture Code
Skeleton Culture Code
 
PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024PEPSICO Presentation to CAGNY Conference Feb 2024
PEPSICO Presentation to CAGNY Conference Feb 2024
 
Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)Content Methodology: A Best Practices Report (Webinar)
Content Methodology: A Best Practices Report (Webinar)
 
How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024How to Prepare For a Successful Job Search for 2024
How to Prepare For a Successful Job Search for 2024
 
Social Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie InsightsSocial Media Marketing Trends 2024 // The Global Indie Insights
Social Media Marketing Trends 2024 // The Global Indie Insights
 
Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024Trends In Paid Search: Navigating The Digital Landscape In 2024
Trends In Paid Search: Navigating The Digital Landscape In 2024
 
5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary5 Public speaking tips from TED - Visualized summary
5 Public speaking tips from TED - Visualized summary
 
ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd ChatGPT and the Future of Work - Clark Boyd
ChatGPT and the Future of Work - Clark Boyd
 
Getting into the tech field. what next
Getting into the tech field. what next Getting into the tech field. what next
Getting into the tech field. what next
 
Google's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search IntentGoogle's Just Not That Into You: Understanding Core Updates & Search Intent
Google's Just Not That Into You: Understanding Core Updates & Search Intent
 
How to have difficult conversations
How to have difficult conversations How to have difficult conversations
How to have difficult conversations
 
Introduction to Data Science
Introduction to Data ScienceIntroduction to Data Science
Introduction to Data Science
 
Time Management & Productivity - Best Practices
Time Management & Productivity -  Best PracticesTime Management & Productivity -  Best Practices
Time Management & Productivity - Best Practices
 
The six step guide to practical project management
The six step guide to practical project managementThe six step guide to practical project management
The six step guide to practical project management
 
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
 
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
Unlocking the Power of ChatGPT and AI in Testing - A Real-World Look, present...
 
12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work12 Ways to Increase Your Influence at Work
12 Ways to Increase Your Influence at Work
 
ChatGPT webinar slides
ChatGPT webinar slidesChatGPT webinar slides
ChatGPT webinar slides
 
More than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike RoutesMore than Just Lines on a Map: Best Practices for U.S Bike Routes
More than Just Lines on a Map: Best Practices for U.S Bike Routes
 

Presentazione workshop sies 2015 muccio

  • 1. SUITABLE SURFACE ANTIGENS FOR MYELOMA AND NORMAL PLASMA CELLS IDENTIFICATION AFTER MONOCLONAL ANTIBODIES THERAPY. Vittorio Emanuele Muccio Divisione Universitaria di Ematologia Prof. M. Boccadoro A.O.U Città della Salute e della Scienza di Torino Vittorio Emanuele Muccio
  • 3. Surface markers to identify PCs Surface markers to identify MALIGNANT Cs PLASMA CELLS AND FLOW CYTOMETRY Vittorio Emanuele Muccio
  • 4. CD38 why? CD138 why? CD40 B lymphocytes and Antigen-Presenting Cells CD31 Platelets, monocytes, neutrophils and T lymphocytes Surface markers to identify PCs Vittorio Emanuele Muccio
  • 5. CD117 CD13 CD14CD15 CD20 CD10 CD27 CD19 CD9 CD11bCD40 CD31 CD41 CD56 CD45 CD28 CD23 CD22 CD33 CD24 CD25 CD37 CD39 CD71 HLA-DR CD44 CD4 CD8 CD81 CD38 CD200 Surface markers to identify malignant PCs Vittorio Emanuele Muccio
  • 6. EuroFlow panel for MM MRD study Tube 1 CD138 CD27 CD38 CD56 CD45 CD19 CD117 CD81 Tube 2 CD138 CD27 CD38 CD56 CD45 CD19 cyIgKappa cyIgLambda Vittorio Emanuele Muccio
  • 8. EuroFlow panel for MM MRD study Tube 1: CD138 CD27 CD38 CD56 CD45 CD19 CD117 CD81 Tube 2: CD138 CD27 CD38 CD56 CD45 CD19 cyIgKappa cyIgLambda Vittorio Emanuele Muccio
  • 9. 9th International Conference on Human Leukocyte Differentiation Antigens (HLDA9) 82 Surface molecules SIALOADESINES SLAM INTEGRINSTNF/TNFR IRTA CITOCHINES-R CHEMOKINES-R CD28/B7TLR/C-TYPE LEC R Vittorio Emanuele Muccio
  • 10. # mAb Specificity Conjugated fluorochrome CD Isotype Ab Species % of positive MM samples 20 FCRL1 PE CD307a IgG1k Mouse 0 21 FCRL2 PE CD307b IgG2Ak Mouse 0 22 FCRL3 PE CD307c IgG2Bk Mouse 0 23 FCRL4 PE CD307d IgG2Ak Mouse 0 28 Siglec-7 PE CD328 IgG1k Mouse 0 29 B7-2 PE CD86 IgG1k Mouse 64* 30 IL-10R PE CD210 IgG2ak Rat 0 31 CCR7 PE CD197 IgG2ak Rat 0 32 Siglec-9 PE CDw329 IgG1k Mouse 0 33 HB15 PE CD83 IgG1k Mouse 0 34 CTLA-4 PE CD152 IgG2ak Mouse 0 35 B7-1 PE CD80 IgG1k Mouse 0 36 IL6-Rα PE CD126 IgG1k Mouse 45 37 PD1 PE CD279 IgG1k Mouse 0 38 B7-DC PE CD273 IgG1k Mouse 0 39 IL-4Rα PE CD124 IgG1k Mouse 0 40 OX2 PE CD200 IgG1k Mouse 70* 41 gp130 PE CD130 IgG1k Mouse 45 42 IL-12R PE CD212 IgG1k Mouse 0 43 Siglec PE CD328 IgG1k Mouse 0 44 CCR2 A647 CD192 IgG2b Mouse 18 45 ICOS PE CD278 IgG1 Mouse 0 46 CXCR4 PE CD184 IgG2ak Mouse 64* 47 BTLA PE CD272 IgG1k Mouse 64* 48 CCR6 PE CD196 IgG1k Mouse 18 49 TACI PE CD267 IgG2ak Rat 0 50 CXCR5 A647 CD185 IgG2bk Rat 45 51 Integrin beta 7 chain PE NONE IgG2ak Rat 0 52 CCR1 A647 CD191 IgG2bk Mouse 27 53 Integrin beta 5 PE NONE IgG1 k Mouse 0 54 B7-H4 PE NONE IgG1 k Mouse 0 55 DR4 PE CD271 IgG1 k Mouse 0 56 CMKLR1 PE NONE IgG2a k Rat 0 57 DR5 PE CD262 IgG1 k Mouse 18 74 Integrin beta 6 PE NONE IgG2b Mouse 0 75 Dectin-1/CLEC7A PE NONE IgG2b Mouse 0 76 TREM-1 PE NONE IgG1 Mouse 10 77 Siglec-5/Siglec-14 APC CD170 IgG1 Mouse 0 78 AMICA PE NONE IgG2a Mouse 0 79 BLT1/LTB4R1 PE NONE IgG1 Mouse 10 80 Siglec-9 APC CD329 IgG2a Mouse 0 81 IL-23-R PE NONE IgG2b Mouse 9 82 Integrin alfaVbeta5 PE NONE IgG1 Mouse 0 83 CRTAM PE CD355 IgG2b Mouse 0 84 DCIR/CLEC4A PE NONE IgG1 Mouse 0 85 GITR PE NONE IgG1k Mouse 0 86 Ly9 PE CD229 IgG1k Mouse 100* 87 CRACC PE CD319 IgG2b k Mouse 100* 88 BLAST-1 PE CD48 IgG1k Mouse 100* 89 SLAMF5 PE CD84 IgG2a k Mouse 17 90 Toll-like Receptor 3 PE CD283 IgG2a k Mouse 0 91 DcR3 PE NONE IgG1k Mouse 9 92 DR3 (TRAMP) PE NONE IgG1k Mouse 0 93 NTBA PE NONE IgG1k Mouse 100* 94 HVEM PE CD270 IgG1k Mouse 45 95 TSLPR PE NONE IgG1k Mouse 0 96 TWEAK PE CD255 IgG3 k Mouse 0 97 TCL1 PE NONE IgG2b k Mouse 0 98 Galectin-3 (Mac-2) PE NONE IgG1k Mouse 0 99 GITR-L PE NONE IgG1k Mouse 0 100 Lymphotoxin beta receptor PE NONE IgG2b k Mouse 0 101 TREM-1 PE NONE IgG1k Mouse 0 106 SLAM PE CD150 IgG1k Mouse 67* 109 S1PR1 PE CD363 IgG2B Mouse 0 234 IL-15Ralfa PE NONE IgG2b k Mouse 0 235 BAFF-R PE CD268 IgG1 k Mouse 20 236 LIGHT PE CD258 IgG2b k Mouse 20 237 BAFF PE CD257 IgG1 k Mouse 40 238 CD274 PE CD274 IgG2b k Mouse 45 239 B7-H2 PE CD275 IgG2b k Mouse 20 240 CD267 PE CD267 IgG2a k Rat 20 241 NKG2D PE CD314 IgG1 Mouse 0 242 LAIR1 PE CD305 IgG2b Mouse 0 243 DEP-1 PE CD148 IgG1 Mouse 20 244 Syndecan-2 PE NONE IgG2b Rat 20 245 CXCR7/RDC-1 PE NONE IgG2a Mouse 0 246 IL21R PE NONE IgG1 Mouse 0 247 Toll-like Receptor 9 PE CD289 IgG2a k Rat 0 249 TACI PE CD267 IgG2a Mouse 40 250 ABCG2 PE CDw338 IgG2b k Mouse 0 251 BR3 PE CD268 IgG2a k Mouse 0 252 BLyS PE CD257 IgG1 k Mouse 0 In the right column the percentage of positive samples at diagnosis of MM is reported. Only antigens expressed in >50% of patients were selected for the second phase of the study, # mAb Specificity Conjugated fluorochrome CD Isotype Ab Species % of positive MM samples 29 B7-2 PE CD86 IgG1k Mouse 64* 40 OX2 PE CD200 IgG1k Mouse 70* 46 CXCR4 PE CD184 IgG2ak Mouse 64* 47 BTLA PE CD272 IgG1k Mouse 64* 86 Ly9 PE CD229 IgG1k Mouse 100* 87 CRACC PE CD319 IgG2b k Mouse 100* 88 BLAST-1 PE CD48 IgG1k Mouse 100* 93 NTBA PE NONE IgG1k Mouse 100* 106 SLAM PE CD150 IgG1k Mouse 67* TESTED ANTIBODIES Vittorio Emanuele Muccio
  • 11. 35 NEWLY DIAGNOSED MM 15 HEALTHY SUBJECTS CD86 CD200 CD272 CD184 CD229 CD319 CD352 CD150 CD48 SECOND PHASE OF THE STUDY Vittorio Emanuele Muccio
  • 12. PERCENTAGES OF POSITIVE PCs * * * ** * * * Vittorio Emanuele Muccio
  • 13. MFI OF POSITIVE PCs * * * * Vittorio Emanuele Muccio
  • 14. CONCLUSIONS CD150, CD86, CD200 and CD352 allow the differentiation between healthy and tumor PCs Useful in the MRD study after therapy with Lorvotuzumab (anti-CD56), Dacetuzumab or Lucatumumab (anti-CD40) CD352 Vittorio Emanuele Muccio
  • 15. Therapeutic targets? CD272, CD319, CD229 e CD48 are highly expressed by PCs CONCLUSIONS Lymphocytes Monocytes Granulocytes CD150 + + +- - - - - - - CD352 ++ ++ ++ - - - - - - CD86 - - - + + + - - - CD319 -+ -+ -+ - - - - - - CD272 + + + - - - - - - CD184 + + + - - - - - - CD48 + + + + + + - - - CD229 - - - - - - - - - CD200 - - - - - - - - - Vittorio Emanuele Muccio
  • 16. Useful to carachterize PCs in the MRD study after therapy with BT062 (anti- CD138) or Daratumumab (anti-CD38) CONCLUSIONS Vittorio Emanuele Muccio
  • 17. A.O.U Città della Salute e della Scienza di Torino Divisione Universitaria di Ematologia Prof. M. Boccadoro Dott.ssa Paola Omedè Gilestro Milena Saraci Elona Astolfi Monica Oddolo Daniela Caltagirone Simona Ruggeri Marina Marzanati Eleonora Aschero Simona Gattei Valter Zucchetto Antonella Vittorio Emanuele Muccio