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beta-N-acetylhexosaminidas
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Anmärkning: | An enzyme hydrolyzing terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Hexosaminidase A cleaves GM2, GA2, globosides, and hexosamine oligosaccharides. Hexosaminidase B cleaves all the above substrates except GM2. Deficiency of Hexosaminidase A causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease.
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Annotation: | do not confuse with ACETYLGLUCOSAMINIDASE; /defic: consider also TAY SACHS DISEASE and SANDHOFF DISEASE; coord with ISOENZYMES if discussed
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historyNote*: | 87
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publicMeSHNote*: | 87
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activeMeSHYear*: | |
dateCreated*: | 1986-06-02X |
dateEstablished*: | 1987-01-01X |
dateRevised*: | 2005-07-15X |
recordAuthorizer*: | agsX |
recordMaintainer*: | agsX |
recordOriginator*: | RLSX |
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Termer och motsvarande begrepp: | Beeta-N-asetyyliheksoaminidaasi (fi) Xbeta-N-Acetylhexosaminidase (en) Hex B (en, ersatt) N-Acetyl-beta-D-hexosaminidase (en, ersatt) Hex A (en, ersatt) beta-N-Acetylhexosaminidase A (en, ersatt) beta-N-Acetyl-D-hexosaminidase (en, ersatt) beta-N-Acetyl-hexosaminidase (en, ersatt) beta-Hexosaminidase (en, ersatt) |
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