Lysosomal Storage Diseases 01

Topic: Adult

Created on Friday, February 16 2007 by jdmiles

Last modified on .

 
        A) Schindler disease
 
        B) Infantile free sialic acid storage disase
 
        C) AB variant GM2-gangliosidosis
 
        D) Tay-Sachs disease
 
        E) ß-Mannosidosis
 

 

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This question was created on February 16, 2007 by jdmiles.
This question was last modified on .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Schindler disease

This answer is incorrect.

A-N-acetylgalactosaminidase is an enzyme which is deficient in Schindler disease. This deficiency is associated with a genetic defect at 22q13.1-13.2.  (See References)

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B) Infantile free sialic acid storage disase

This answer is incorrect.

Sialin is an enzyme which is deficient in Infantile free sialic acid storage disase (Sialuria). This deficiency is associated with a genetic defect at 6q14-15.  (See References)

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C) AB variant GM2-gangliosidosis

This answer is incorrect.

GM2 activator is an enzyme which is deficient in AB variant GM2-gangliosidosis. This deficiency is associated with a genetic defect at 5q32-33.  (See References)

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D) Tay-Sachs disease

This answer is incorrect.

A-Subunit ß-hexosaminidase is an enzyme which is deficient in Tay-Sachs disease. This deficiency is associated with a genetic defect at 15q23-24.  (See References)

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E) ß-Mannosidosis

This answer is correct.

ß-Mannosidase is an enzyme which is deficient in ß-Mannosidosis. This deficiency is associated with a genetic defect at 4q22-25.  (See References)

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References:

1. Pastores, G.M., and Kolodny, E.H. (2004). Inborn errors of metabolism of the nervous system. In Bradley, W.G., Daroff, R.B., Fenichel, G.M., and Jankovic, J. (Eds.). Neurology in Clinical Practice, 4th Edition. Butterworth Heinemann, Philadelphia. Pp. 1811-1832.

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adult
Lysosomal Storage Diseases 01
Question ID: 02160701
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 02/16/2007
Modified:
Estimated Permutations: 0