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beta-N-acetylhexosaminidase measurement
Indications:
- diagnosis of Tay-Sachs disease
- diagnosis of Sandhoff disease
Method:
- enzymatic generation of fluorophore
- heat denaturation of HexA to distinguish subunits HexA & HexB
Specimen:
- blood (orange top)
- for carrier state see ref [1]
Related
beta N-acetylhexosaminidase
Specific
beta-N-acetylhexosaminidase A in measurement
beta-N-acetylhexosaminidase B measurement
beta-N-acetylhexosaminidase in amniotic fluid
beta-N-acetylhexosaminidase in dried blood spot
beta-N-acetylhexosaminidase in fibroblasts
beta-N-acetylhexosaminidase in leukocytes
beta-N-acetylhexosaminidase in platelets
beta-N-acetylhexosaminidase in serum
beta-N-acetylhexosaminidase in tissue
beta-N-acetylhexosaminidase.A in tissue
General
special chemistry test
References
- Supra-Regional Assay Service
Centres for Analysis and Clinical Interpretation
Assays / Genetic Enzymes / b-Hexosaminidase
http://www.sas-centre.org/assays/genetic_enzymes/lysstodisbetahexosaminidas.html