IEM comprise a group of disorders in which a single gene defect causes a clinically significant block in a metabolic pathway resulting either in accumulation of substrate behind the block or deficiency of the product.
IEM comprise a group of disorders in which a single gene defect causes a clinically significant block in a metabolic pathway resulting either in accumulation of substrate behind the block or deficiency of the product.
Phenylketonuria (PKU) is an inborn error of metabolism that results in decreased metabolism of the amino acid phenylalanine. A birth defect that causes an amino acid called phenylalanine to build up in the body.
Newborns should be screened for PKU.
Untreated phenylketonuria can lead to brain damage, intellectual disabilities, behavioural symptoms or seizures.
Treatment includes a strict diet with limited protein.
Hypopituitarism is an uncommon health condition where the pituitary gland does not produce hormones or fails to do so in sufficient amounts. The pituitary is an important endocrine gland, located at the bottom of the brain, responsible for secretion of hormones that influence almost every body part. To know more visit here: www.lazoi.com
An inherited enzyme deficiency leading to the disruption of normal bodily metabolism.
Accumulation of a toxic substrate.
Impaired formation of a product normally produced by the deficient enzyme.
Phenylketonuria (PKU) is an inborn error of metabolism that results in decreased metabolism of the amino acid phenylalanine. A birth defect that causes an amino acid called phenylalanine to build up in the body.
Newborns should be screened for PKU.
Untreated phenylketonuria can lead to brain damage, intellectual disabilities, behavioural symptoms or seizures.
Treatment includes a strict diet with limited protein.
Hypopituitarism is an uncommon health condition where the pituitary gland does not produce hormones or fails to do so in sufficient amounts. The pituitary is an important endocrine gland, located at the bottom of the brain, responsible for secretion of hormones that influence almost every body part. To know more visit here: www.lazoi.com
An inherited enzyme deficiency leading to the disruption of normal bodily metabolism.
Accumulation of a toxic substrate.
Impaired formation of a product normally produced by the deficient enzyme.
Information about megaloblastic anemia and it's etiology and its classification.
Vitmain b12 deficiencies
Folic acid deficiencies
Signs and symptoms of megaloblastic anemia
Neural tube defects
inborn errors of metabolism. Inborn errors of metabolism are rare genetic (inherited) disorders in which the body cannot properly turn food into energy. The disorders are usually caused by defects in specific proteins (enzymes) that help break down (metabolize) parts of food
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9. Inborn errors of metabolism are rare genetic
(inherited) disorders in which the body
cannot properly turn food into energy. The
disorders are usually caused by defects in
specific proteins (enzymes) that help break
down (metabolize) parts of food.
down (metabolize) parts of food.
According to S.S.Randhawa
10. Inborn errors of metabolism are a
heterogeneous group of disorders that
may be inherited or may occur as the
result of spontaneous mutations. These
diseases involve failure of the metabolic
pathways involved in either the break-
pathways involved in either the break-
down or storage of carbohydrates, fatty
acids, and proteins.
According to AND
12. 1. Phenyl-ketonuria
Phenylketonuria (PKU) is an inborn error of
phenylalanine metabolism (commonly
known as PKU) is an inherited disorder that
known as PKU) is an inherited disorder that
increases the levels of a substance called
phenylalanine in the blood. Phenylalanine is
a building block of proteins (an amino acid )
that is obtained through the diet.
13. Etiopathogenesis
Phenyla-lanine metabolism caused by the
deficiency of phenylalanine hydroxylase.
Deficiency of phenylalanine hydroxylase
Deficiency of phenylalanine hydroxylase
result in inability to convert Phenyla-lanine
into tyrosine ( essential component for the
production of several important brain chemicals
called neurotransmitters, including epinephrine,
norepinephrine, and dopamine.. )
14. Phenyla-lanine ( amino acid ) accumulation of the blood
HyperPhenyla-laninemia and tyrosine deficiency tyrosine
required for synthesis of melanin and lead deficiency of
melanin pigment.
Excessive Phenyla-lanine is metabolized in toxicity
Excessive Phenyla-lanine is metabolized in toxicity
They caused brain damage and result
mental retardation
15. Galactosemia is a condition in which
the body is unable to use (metabolize)
the simple sugar galactose. It is an
2. Galactosemia
the simple sugar galactose. It is an
autosomal recessive disorder of
galactose metabolism characterized
by inability to convert galactose to
glucose due lack of galactatose.
16. Galactosemia occurs due to disruptions or changes
(mutations) in the GALT galactose- 1-
phosphate uridylyl-transferase. is a Protein Coding
Gene
Etiopathogenesis
Resulting in deficiency of the GALT enzyme.
This leads to abnormal accumulation of galactose-
related chemicals in various organs of the body
causes the signs and symptoms of Galactosemia..
17. Consequences –
Lack of transferase results accumulation of
galactose – phosphate in many location
,including liver ,spleen lens of the eye ,kideny
, heart muscle cerebral cortex and RBCs
, heart muscle cerebral cortex and RBCs
affect infant fail to development from birth
usually present with vomitting ,and diaharia
following milk ingesion .
18. 3. Cystic fibrosis
Cystic fibrosis is a disorder that
damages your lungs, digestive tract
and other organs. It's an inherited
disease caused by a defective gene
disease caused by a defective gene
that can be passed from generation to
generation. Cystic fibrosis affects the
cells that produce mucus, sweat and
digestive juices.
19. Cystic fibrosis is a disorder of ion transport in epithelial
cells, which affects fluid secretion in exocrine glands
and the epithelial lining of the respiratory,
gastrointestinal and reproductive tracts. It is a genetic
disease caused by mutations in the Cystic Fibrosis
Transmembrane Regulator (CFTR) gene located on the
Transmembrane Regulator (CFTR) gene located on the
long arm of chromosome 7 and has usually an autosomal
recessive mode of transmission This protein functions as
a channel across the membrane of cells that produce
mucus, sweat, saliva, tears, and digestive enzymes..
20. Etiopathogenesis:
In normal duct epithelia, chloride is transported by
chloride channels is the plasma membrane.
The epithelial chloride channel protein is coded by CFTR
gene.
It is now recognized that CFTR regulates multiple
It is now recognized that CFTR regulates multiple
additional ion channels and cellular processes.
Mutations in the gene that produces the cystic fibrosis
transmembrane conductance regulator (CFTR) protein.
disrupt the normal production or functioning of the CFTR protein found
in the cells of the lungs and other parts of the body ...
21. Consequences:
The clinical features may appear at any time from
before birth to childhood or even in adolescence.
In most of the infants with cystic fibrosis, the abnormal
viscous secretions caused obstruction of organ passages,
These are responsible for the most of the clinical
These are responsible for the most of the clinical
features of this disorder like chronic lung disease,
secondary to recurrent infections, pancreatic
insufficiency ( is a condition which occurs when the
pancreas does not make enough of a specific enzyme the
body uses to digest food in the small intestine. ) ,
malnutrition, hepatic cirrhosis , intestinal obstruction.