Lysosomal storage diseases Flashcards
Fabry
XLR
Deficiency: alpha-galactosidase
Accumulated substance: Globotriaosylceramide (ceramide trihexoside)
Clinical: Angiokeratomas, neuropathy, glomerulopathy
Gaucher
AR
Deficiency: Beta-glucocerebrosidase (glucosidase)
Accumulated substance: Glucocerebroside
Clinical: HSM, Pancytopenia, Bone pain
Niemann Pick
AR
Deficiency: Sphingomyelinase
Accumulated substance: Sphingomyelin
Clinical: Cherry red macula, neurodegeneration + HSM
Tay Sachs
AR
Deficiency: Beta-hexosaminidase A
Accumulated substance: GM2 ganglioside
Clinical: Cherry red macula, neurodegeneration
Metachromatic leukodystrophy
AR
Deficiency: Arylsulfatase A
Accumulated substance: Cerebroside sulfate
Clinical: Neurodegeneration, Neuropathy
Krabbe
AR
Deficiency: Galactocerebrosidase
Accumulated: Galacterocerebroside, psychosine
Clinical: Neurodegen, neuropathy, OPTIC GLOBOID
ATROPHY