Varaico: Literature-Extracted Genetic Variants

Gene:HEXA
Variant:p.R499H
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HEXA

NM_000520.6:p.R499H

Associated Papers

Symptomatic Benefit of Acetyl-DL-Leucine for Cerebellar Ataxia in Juvenile Tay-Sachs Disease: A Pediatric Case and Literature Review.

Calisgan K et al.

Molecular Syndromology, 2025

Pathogenic variation underlying rare diseases in an Arab population: Implications for screening programs.

Jain R et al.

Genetics in Medicine Open, 2025

40893834 (PubMed )
Supplement: mmc1.xlsx › Supplementary_Table_3

ALS Identified: two-year findings from a sponsored ALS genetic testing program.

Goutman SA et al.

Annals of Clinical and Translational Neurology, 2024

39044379 (PubMed )
Supplement: ACN3-11-2201-s003.xlsx › ClinGen_VariantClassification

Efficacy and safety of miglustat in the treatment of GM2 gangliosidosis: A systematic review.

Mansouri V et al.

European Journal of Neurology, 2023

Diagnostic Tips from a Video Series and Literature Review of Patients with Late-Onset Tay-Sachs Disease.

Riboldi GM et al.

Tremor and Other Hyperkinetic Movements (new York, N.y.), 2022

In-silico screening and microsecond molecular dynamics simulations to identify single point mutations that destabilize β-hexosaminidase A causing Tay-Sachs disease.

Almanasra A et al.

Proteins, 2021

The juvenile gangliosidoses: A timeline of clinical change.

King KE et al.

Molecular Genetics and Metabolism Reports, 2020

Genetic ancestry analysis on >93,000 individuals undergoing expanded carrier screening reveals limitations of ethnicity-based medical guidelines.

Kaseniit KE et al.

Genetics in Medicine : Official Journal of the American College of Medical Genetics, 2020

32595206 (PubMed )
Supplement: 41436_2020_869_MOESM2_ESM.xlsx › HEXA

Genotype-phenotype correlation of gangliosidosis mutations using in silico tools and homology modeling.

Ou L et al.

Molecular Genetics and Metabolism Reports, 2019

Distinct progression patterns of brain disease in infantile and juvenile gangliosidoses: Volumetric quantitative MRI study.

Nestrasil I et al.

Molecular Genetics and Metabolism, 2018

Haematopoietic Stem Cell Transplantation Arrests the Progression of Neurodegenerative Disease in Late-Onset Tay-Sachs Disease.

Stepien KM et al.

Jimd Reports, 2018

Next-generation DNA sequencing of HEXA: a step in the right direction for carrier screening.

Hoffman JD et al.

Molecular Genetics & Genomic Medicine, 2013

Molecular analysis of HEXA gene in Argentinean patients affected with Tay-Sachs disease: possible common origin of the prevalent c.459+5A>G mutation.

Zampieri S et al.

Gene, 2012

Structural consequences of amino acid substitutions causing Tay-Sachs disease.

Ohno K et al.

Molecular Genetics and Metabolism, 2008

Lending a helping hand, screening chemical libraries for compounds that enhance beta-hexosaminidase A activity in GM2 gangliosidosis cells.

Tropak MB et al.

The Febs Journal, 2007

Pyrimethamine as a potential pharmacological chaperone for late-onset forms of GM2 gangliosidosis.

Maegawa GH et al.

The Journal of Biological Chemistry, 2007

The natural history of juvenile or subacute GM2 gangliosidosis: 21 new cases and literature review of 134 previously reported.

Maegawa GH et al.

Pediatrics, 2006

Different attenuated phenotypes of GM2 gangliosidosis variant B in Japanese patients with HEXA mutations at codon 499, and five novel mutations responsible for infantile acute form.

Tanaka A et al.

Journal of Human Genetics, 2003

Tay-Sachs disease carrier screening: a model for prevention of genetic disease.

Kaplan F

Genetic Testing, 1998

W474C amino acid substitution affects early processing of the alpha-subunit of beta-hexosaminidase A and is associated with subacute G(M2) gangliosidosis.

Petroulakis E et al.

Human Mutation, 1998

Tay-Sachs disease-causing mutations and neutral polymorphisms in the Hex A gene.

Myerowitz R

Human Mutation, 1997

Tay-Sachs disease screening and diagnosis: evolving technologies.

Hechtman P et al.

Dna and Cell Biology, 1993

A mutation common in non-Jewish Tay-Sachs disease: frequency and RNA studies.

Akerman BR et al.

Human Mutation, 1992

Sequence of DNA flanking the exons of the HEXA gene, and identification of mutations in Tay-Sachs disease.

Triggs-Raine BL et al.

American Journal of Human Genetics, 1991

Substrate reduction therapy in juvenile GM2 gangliosidosis.

Maegawa GH et al.

Molecular Genetics and Metabolism, 0

Temporary Efficacy of Pyrimethamine in Juvenile-Onset Tay-Sachs Disease Caused by 2 Unreported HEXA Mutations in the Indian Population.

Udwadia-Hegde A et al.

Child Neurology Open, 0

Juvenile Tay Sachs Disease Due to Compound Heterozygous Mutation in Hex-A Gene, with Early Sign of Bilateral Tremors.

Sheth J et al.

Annals of Indian Academy of Neurology, 0

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Regarding the variants extracted from papers and shown text snippets from research papers, the following holds: "Some rights reserved. This work permits non-commercial use, distribution and reproduction in any medium, provided the original author and source are credited."