Lysosomal Storage Diseases 01

Topic: Adult

Created on Friday, February 16 2007 by jdmiles

Last modified on .

 
        A) A-N-acetylgalactosaminidase
 
        B) Acid lipase
 
        C) ß-d-glucoronidase
 
        D) Sulfamidase
 
        E) A-Subunit ß-hexosaminidase
 

 

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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) a-N-acetylgalactosaminidase

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) Acid lipase

This answer is incorrect.

Acid lipase is an enzyme which is deficient in Cholesterol ester storage disease (Wolman disease). This deficiency is associated with a genetic defect at 10q23.2-q23.3.  (See References)

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C) ß-d-glucoronidase

This answer is correct.

ß-d-glucoronidase is an enzyme which is deficient in MPS VII (Sly disease). This deficiency is associated with a genetic defect at 7q21.1-22.  (See References)

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D) Sulfamidase

This answer is incorrect.

Sulfamidase is an enzyme which is deficient in MPS IIIA (Sanfilippo disease type A). This deficiency is associated with a genetic defect at 17q25.3.  (See References)

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E) a-Subunit ß-hexosaminidase

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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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