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Kaplan Qbank USMLE



Author9 Posts
  #1

NAME THE FOLLOWING:

G-6-PHOSPATASE DEFF
ALFA 1-4-GLUCOSIDASE DEFF
ALFA 1-6 GLUCOSIADASE DEFF
GLYCOGEN PHOSPHORYLASE DEFF

  #2

"usmle prep" wrote:
NAME THE FOLLOWING:

G-6-PHOSPATASE DEFF
ALFA 1-4-GLUCOSIDASE DEFF
ALFA 1-6 GLUCOSIADASE DEFF
GLYCOGEN PHOSPHORYLASE DEFF


1-Von gierkes (Glu6P deficincy)
2-Pompes (lysosmal 1,4 glucosidase)
3-Cori (1,6glucosidase)
4- Mc Ardles (Muscle GlycogenPhosphoylase ) Hers disease (Hepatic Glycogen Phosphorylase)

MNEMONIC: Glycogen Storage Dse:
Very Poor Carbohydrate Metabolism (V,P,C,M) of Hers (H) :wink:

  #3

good nemonic..

Thnx

  #4

BUT HOW WOULD U APPLY THIS PNEUMONICS FOR ENZYMES WHICH ARE DEFICENT, SINCE QUESTIONS MOST QS ARE ABOUT THEIR NAMES

  #5

"peekay" wrote:
BUT HOW WOULD U APPLY THIS PNEUMONICS FOR ENZYMES WHICH ARE DEFICENT, SINCE QUESTIONS MOST QS ARE ABOUT THEIR NAMES

The mnemonics was just to help us remember the Glycogen storage diseases.

For POMPE's- First iad suggests that: POMPe's trashes the PUMP (cardiomegaly) due to lysosomal 1,4 glucosidase.
For HERS Disease- its HEpatic glycogen phosphorylase deficiency
For Mc Ardles- its Muscle Glycogen phosphorylase def.
For the other enzyme , we just have to memorize, sorry :roll:

PS: Theres another Glucogen storage dse: ANDERSEN Disease(Amylopectinosis) defiency of branching enzyme. Causing short outer branches of glycogen.

  #6

THANK YOU IT IS EASY NOW.

  #7

anderson's is special in that ..all others are defect in glycogenolysis..but anderson is the only disease of glycogen synthesis

  #8

good discussion guys!!!
i feel more confident and motivated to study,after joining this forum!!!
thanx to all of u..

  #9

This is a good way to remember=Anderson(only Synthesizing defect)
Von Gierke=Glucose 6 phosphatase
Pompe=Lysosomal Alpha 1 4 Glucosidase
Mc Ardles=Muscle Glycogen Phosphorylase
Hers =Hepatic Glycogen Phosphrylase
Cori=Alpha 1 6 Glucosidase







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