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Lysosomal Storage Diseases
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24
Biochemistry
Graduate
02/14/2014

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Cards

Term
Fabry's disease findings
Definition
Peripheral neuropathy of hands/feet, angiokeratomas, cardiovascular/renal disease (XR)
Term
Fabry's disease Deficient enzyme
Definition
a-galactosidase A
Term
Fabry's disease Accumulated
substrate
Definition
Ceramide
trihexoside
Term
Gaucher's disease findings
Definition
Hepatosplenomegaly, aseptic
necrosis of femur, bone crises, Gaucher's cells (macrophages that look like crumpled tissue paper)
Most common lysosomal storage disorder.
Term
Gaucher's disease Deficient enzyme
Definition
Glucocerebrosidase
Term
Gaucher's disease Accumulated
substrate
Definition
Glucocerebroside
Term
Niemann-Pick disease findings
Definition
Progressive neurodegenera­ tion, hepatosplenomegaly, cherry-red spot on macula, foam cells
Term
Niemann-Pick disease Deficient enzyme
Definition
Sphingomyelinase
Term
Niemann-Pick disease Accumulated
substrate
Definition
Sphingomyelin
Term
Tay-Sachs disease findings
Definition
Progressive
neuroclegeneration,
developmental delay,
cherry-red spot on macula,
lysosomes with onion skin,
no hepatosplenomegaly (vs.
Niemann-Pick)
Term
Tay-Sachs disease Deficient enzyme
Definition
Hexosaminidase A
Term
Tay-Sachs disease Accumulated
substrate
Definition
GM2 ganglioside
Term
Krabbe's disease findings
Definition
Peripheral neuropathy,
developmental delay, optic
atrophy, globoid cells
Term
Krabbe's disease Deficient enzyme
Definition
Beta-galactocerebrosidase
Term
Krabbe's disease Accumulated
substrate
Definition
Galactocerebroside
Term
Metachromatic
leukodystrophy findings
Definition
Central and peripheral demyelination with ataxia, dementia
Term
Metachromatic
leukodystrophy Deficient enzyme
Definition
Arylsulfatase A
Term
Metachromatic
leukodystrophy Accumulated
substrate
Definition
Cerebroside sulfate
Term
Hurler's syndrome findings
Definition
Developmental
delay, gargoylism,
airway obstruction,
corneal clouding,
hepatosplenomegaly
Term
Hurler's syndrome Deficient enzyme
Definition
a-L-iduronidase
Term
Hurler's syndrome Accumulated
substrate
Definition
Heparan sulfate,dermatan sulfate
Term
Hunter's syndrome findings
Definition
Mild Hurler's + aggressive behavior, no corneal clouding
Term
Hunter's syndrome Deficient enzyme
Definition
Iduronate sulfatase
Term
Hunter's syndrome Accumulated
substrate
Definition
Heparan sulfate,dermatan sulfate
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