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NA00527 DNA from Fibroblast

Description:

TAY-SACHS DISEASE; TSD
HEXOSAMINIDASE A; HEXA

Affected:

Yes

Sex:

Male

Age:

1 YR (At Sampling)

  • Overview
  • Characterizations
  • Phenotypic Data
  • Publications
  • External Links

Overview

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Repository NIGMS Human Genetic Cell Repository
Subcollection Heritable Diseases
Lysosomal Storage Diseases
Class Disorders of Lipid Metabolism
Quantity 10 µg
Quantitation Method Please see our FAQ
Cell Type Fibroblast
Transformant Untransformed
Sample Source DNA from Fibroblast
Race White
Family Member 1
Relation to Proband proband
Confirmation Clinical summary/Case history
Species Homo sapiens
Common Name Human
Remarks Deficient hexosaminidase A; normal-sized B-hexosaminidase alpha subunit mRNA; compound heterozygote: 1 allele has a single nucleotide transversion at nucleotide 1260 in exon 11 of the HEXA gene (c.1260G>C) resulting in the substitution of cysteine for tryptophan at codon 420 [Trp420Cys (W420C)]; the other allele has an IVS11+1G>C (c.1330+1G>C)

Characterizations

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Passage Frozen 3
 
beta-N-acetylhexosaminidase (hexosaminidase A) According to the submitter, biochemical test results for this subject showed decreased enzyme activity. EC Number: 3.2.1.52
 
Gene HEXA
Chromosomal Location 15q23-q24
Allelic Variant 1 606869.0012; TAY-SACHS DISEASE
Identified Mutation TRP420CYS; This mutation results from a single nucleotide transversion in exon 11: G1260-to-C; trp420-to-cys.
 
Gene HEXA
Chromosomal Location 15q23-q24
Allelic Variant 2 ; TAY-SACHS DISEASE
Identified Mutation IVS11+1G>C

Phenotypic Data

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Remarks Deficient hexosaminidase A; normal-sized B-hexosaminidase alpha subunit mRNA; compound heterozygote: 1 allele has a single nucleotide transversion at nucleotide 1260 in exon 11 of the HEXA gene (c.1260G>C) resulting in the substitution of cysteine for tryptophan at codon 420 [Trp420Cys (W420C)]; the other allele has an IVS11+1G>C (c.1330+1G>C)

Publications

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Hyun JY, Kim S, Lee HS, Shin I, A Glycoengineered Enzyme with Multiple Mannose-6-Phosphates Is Internalized into Diseased Cells to Restore Its Activity in Lysosomes Cell chemical biology25:1255-1267.e8 2018
PubMed ID: 30146240
 
Tanaka A, Punnett HH, Suzuki K, A new point mutation in the beta-hexosaminidase alpha subunit gene responsible for infantile Tay-Sachs disease in a non-Jewish Caucasian patient (a Kpn mutant). Am J Hum Genet47:568-74 1990
PubMed ID: 2144098

External Links

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dbSNP dbSNP ID: 22074
Gene Cards HEXA
Gene Ontology GO:0004563 beta-N-acetylhexosaminidase activity
GO:0005764 lysosome
GO:0005975 carbohydrate metabolism
GO:0006687 glycosphingolipid metabolism
GO:0016798 hydrolase activity, acting on glycosyl bonds
NCBI Gene Gene ID:3073
NCBI GTR 272800 TAY-SACHS DISEASE; TSD
606869 HEXOSAMINIDASE A; HEXA
OMIM 272800 TAY-SACHS DISEASE; TSD
606869 HEXOSAMINIDASE A; HEXA
Omim Description B VARIANT GM2 GANGLIOSIDOSIS
  GM2-GANGLIOSIDOSIS, ADULT CHRONIC TYPE, INCLUDED
  GM2-GANGLIOSIDOSIS, TYPE I
  HEXA DEFICIENCYHEXOSAMINIDASE A, INCLUDED; HEXA, INCLUDED
  HEXOSAMINIDASE A DEFICIENCY
  HEXOSAMINIDASE A DEFICIENCY, ADULT TYPE, INCLUDED
  TAY-SACHS DISEASE, JUVENILE, INCLUDED
  TAY-SACHS DISEASE, PSEUDO-AB VARIANT, INCLUDED
  TAY-SACHS DISEASE, VARIANT B1, INCLUDED
  TAY-SACHS DISEASE; TSD
Pricing
International/Commercial/For-profit:
$281.00USD
U.S. Academic/Non-profit/Government:
$139.00USD
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