Study of Genetics Mutations in HEXA Gene for Induced Tay-Sachs Disease in Human, Tabriz, Iran
Journal Title: Open Access Journal of Microbiology & Biotechnology - Year 2017, Vol 2, Issue 1
Abstract
Tay-Sachs disease is one of the few neurodegenerative diseases of known causes. It results from mutations of the HEXA gene encoding the alpha subunit of beta-hexosaminidase, producing a destructive ganglioside accumulation in lysosomes, principally in neurons. With the determination of the protein sequence of the alpha and beta subunits, deduced from cDNA sequences, the complex pathway of sub cellular and lysosomal processing of the enzyme has been determined. More recently, detailed knowledge of the gene structure has allowed the determination of specific mutations causing Tay-Sachs disease. The high incidence of the disease in Ashkenazi Jews is attributed predominantly to three mutations present in high frequency, while in non-Jews some two dozen mutations have been identified thus far. The cataloguing of mutations has important implications for carrier screening and prenatal diagnosis for Tay-Sachs disease.
Authors and Affiliations
Shahin A, Mahsa J, Manoush T, Samaneh SD
Keywords
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- EP ID EP291078
- DOI 10.23880/oajmb-16000113
- Views 120
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