Lysosomal storage diseases Flashcards

1
Q

deficient enzyme in Hurlers

A

alpha-L-Iduronidase

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2
Q

deficient enzyme in Hunters

A

Iduronate sulfatase

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3
Q

deficient enzyme in Tay sachs

A

beta-Hexosaminidase A

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4
Q

accumulation in Hurlers and Hunters

A

dermatan sulfate and heparin sulfate

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5
Q

hepatosplenomegaly and corneal clouding

A

Hurlers

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6
Q

genetic inheritance of Hunters

A

X-linked recessive

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7
Q

hepatosplenomegaly without corneal clouding

A

Hunters

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8
Q

accumulation in Tay sachs

A

ganglioside GM2

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9
Q

cherry red macula and onion shell inclusions

A

Tay sachs

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10
Q

most common lysosomal storage disorder

A

Gauchers

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11
Q

deficient enzyme in Gauchers

A

beta-glucosidase

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12
Q

accumulation in gauchers

A

glucosyl ceramide (glucocerebroside)

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13
Q

crumpled tissue paper appearance in cytoplasm

A

Gauchers

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14
Q

genetic inheritance of Fabrys

A

X-linked recessive

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15
Q

deficient enzyme in Fabrys

A

alpha-galactosidase

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16
Q

accumulation in Fabrys

A

Globside (ceramide trihexoside)

17
Q

deficient enzyme in Neiman pick

A

sphingomyelinase

18
Q

accumulation in Neiman pick

A

sphingomyelin

19
Q

Neiman pick type that is fatal in 2-3 years of infancy

A

type A

20
Q

cherry red macula, foam cells and hepatospleomegaly

A

Neiman pick

21
Q

deficient enzyme in metachromatic leukodystrophy

A

Aryl sulfatase A

22
Q

accumulation in metachromatic leukodystrophy

A

sulfatide

23
Q

defective mannose 6p markers on enzymes destined for lysosomes

A

I-cell disease

24
Q

accumulation of all GAGs and sphingolipids

A

I-cell disease