Studies on human β D N acetylhexosaminidases. III. Biochemical genetics of Tay Sachs and Sandhoof's diseases

Satish Srivastava, E. Beutler

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Tay Sachs disease is an inherited disorder in which β D N acetylhexosaminidase activity is absent. Sandhoff's disease is a clinically identical disorder in which both hexosaminidase A and hexosaminidase B activity is missing. Antibodies to purified hexosaminidase A and hexosaminidase B were produced in rabbits. Each antiserum was reactive against both isozymes on immunodiffusion. No hexosaminidase A antigen was present in the livers of the 2 Tay Sachs disease patients and only a possible trace of antigen was found in the third case. The liver from one patient with Sandoff's disease contained both hexosaminidase A and hexosaminidase B antigens, even though no enzymatic activity was present, whereas the liver from the other patient with Sandhoff's disease contained only hexosaminidase A antigen. It is suggested that hexosaminidase A and hexosaminidase B share a common subunit and the other subunit in the 2 hexosaminidases may be different.

Original languageEnglish
Pages (from-to)2054-2057
Number of pages4
JournalJournal of Biological Chemistry
Volume249
Issue number7
StatePublished - 1974
Externally publishedYes

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Hexosaminidase A
Tay-Sachs Disease
Hexosaminidase B
Molecular Biology
Sandhoff Disease
Liver
Antigens
Hexosaminidases
Immunodiffusion
Isoenzymes
Genetics
Immune Sera
Rabbits
Antibodies

ASJC Scopus subject areas

  • Biochemistry

Cite this

Studies on human β D N acetylhexosaminidases. III. Biochemical genetics of Tay Sachs and Sandhoof's diseases. / Srivastava, Satish; Beutler, E.

In: Journal of Biological Chemistry, Vol. 249, No. 7, 1974, p. 2054-2057.

Research output: Contribution to journalArticle

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