ArticleMolecular genetics & genomic medicine2020
A novel GJB1 mutation associated with X-linked Charcot-Marie-Tooth disease in a large Chinese family pedigree.
Article in Molecular genetics & genomic medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 4 citations in OpenAlex.
- Clinical and Genetic Variant Profile of Asian Charcot-Marie Tooth Patients: A Systematic Review.Iranian journal of public health · 2025Review
- A novel splicing mutation in 5'UTR of GJB1 causes X-linked Charcot-Marie-tooth disease.Molecular genetics & genomic medicine · 2023Article
- New evidence for secondary axonal degeneration in demyelinating neuropathies.Neuroscience letters · 2021Review
- A novel GJB1 mutation associated with X-linked Charcot-Marie-Tooth disease in a large Chinese family pedigree.Molecular genetics & genomic medicine · 2020Article
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Authors and funding
8 authors at 1 institution in 1 country.
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Abstract
backgroundCharcot-Marie-Tooth (CMT) disease is a group of hereditary neuropathies with high phenotypic and genetic heterogeneity. In this study, we report a large family with X-linked CMT (CMTX) caused by a novel GJB1 mutation.
methodsA family with the clinical diagnosis of CMTX was investigated. For mutation analysis, the coding region of GJB1 was sequenced using DNA from 15 family members. The identified GJB1 mutation was investigated by DHPLC in 120 normal controls. Mutation reanalysis was performed based on whole-exome sequencing (WES). Cell transfection studies were performed to characterize the function of the novel mutation.
resultsA missense mutation (c.605T>A) in GJB1 was detected in five patients and eight female carriers but not in two unaffected members of the family. The mutation was not found in 120 healthy controls and has not been previously reported. WES excluded other pathogenic mutations in the family. The pathogenicity of the mutation was confirmed by disrupting the membrane localization of the encoded proteins.
conclusionOur findings demonstrate that a novel mutation (c.605T>A) in GJB1 is associated with CMTX and adds to the repertoire of GJB1 mutations related to CMTX.
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