lysosomal storage diseases Flashcards
2 lysosomal stroage diseases that are X-linked recessive
Fabry
Hunter
Fabry disease enzyme deficient
a-galactosidase A
Fabry substrate accumulated
ceramide trihexoside
Fabry characteristic features
angiokeratomas, peripheral neuropathy, decreased sweating
Gaucher enzyme deficient
glucocerebrosidase
Gaucher substrate accumulated
glucocerebroside
Gaucher characteristic features
bone crises, aseptic necrosis of femur, Gaucher cells on bone marrow aspirate (crumpled paper)
Niemann-Pick enzyme deficient
spingomyelinase
Niemann-Pick substrate accumulated
sphingomyelin
Niemann-Pick characteristic features
hepatosplenomegaly, cherry-red macula, foam cells
Tay-Sachs enzyme deficient
hexosaminidase A
Tay-Sachs substrate accumulated
GM2 gangliosides
Tay-Sachs characteristic features
neurodegeneration, onion-skin lysosomes, cherry-red macula
Krabbe disease enzyme deficient
galactocerebrosidase
Krabbe disease substrate accumulated
galactocerebroside