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Hereditary neuropathy NOT PMP22 copy number

Gene: GJB1

Green List (high evidence)

GJB1 (gap junction protein beta 1)
EnsemblGeneIds (GRCh38): ENSG00000169562
EnsemblGeneIds (GRCh37): ENSG00000169562
OMIM: 304040, Gene2Phenotype
GJB1 is in 8 panels

8 reviews

Natalie Forrester (SWGLH - Bristol Genetics)

Green List (high evidence)

Multiple C5s in Bristol. Also well established from looking at HGMD. PMID: 8266101 - early paper identified 7 different mutations in affected persons from 8 families with X-linked dominant Charcot-Marie-Tooth disease
Created: 29 Apr 2019, 12:30 p.m.

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Phenotypes
Charcot Marie Tooth neuropathy, X linked dominant, 1, 302800 ; Charcot-Marie-Tooth, X-linked

Publications

Variants in this GENE are reported as part of current diagnostic practice

Louise Daugherty (Genomics England Curator)

I don't know

Rating and review submitted on behalf of James Polke (Neurogenetics Laboratory,Institute of Neurology, London), on behalf of London North GLH for GMS Neurology specialist test group.
Created: 9 May 2019, 5 p.m.
Review and rating submitted by Natalie Forrester (SWGLH - Bristol Genetics) on behalf of South West GLH for GMS Neurology specialist test group.
Created: 29 Apr 2019, 12:53 p.m.

James Polke (Neurogenetics Laboratory, Institute of Neurology, London)

Green List (high evidence)

Sequencing should also cover at least 600 bp upstream of START site (ChrX(GRCh37):g.70442959_70443558) to capture non-coding/promoter mutations, accounting for >10% of GJB1 mutations (PMID 28283593)
Created: 29 Apr 2019, 9:20 a.m.

Variants in this GENE are reported as part of current diagnostic practice

Rita Horvath (Institute of Genetic Medicine, Newcastle University)

Green List (high evidence)

Variants in this GENE are reported as part of current diagnostic practice

Alexander Rossor (UCL Institute of Neurology)

Green List (high evidence)

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Variants in this GENE are reported as part of current diagnostic practice

Mary Reilly (Institute of Neurology)

Green List (high evidence)

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Variants in this GENE are reported as part of current diagnostic practice

Thalia Antoniadi (West Midlands Regional Genetics Laboratory)

Green List (high evidence)

Mode of inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)

Ellen McDonagh (Genomics England Curator)

Is on the Charcot-Marie- Tooth disease type 2 / Intermediate CMT NGS Panel in the UCLH National Hospital for Neurology and Neurosurgery & Institute of Neurology (NHNN) Neurogenetics genetic testing manual.
Created: 10 Jun 2016, 1:04 p.m.
Is on the Charcot-Marie- Tooth disease type 1 / Intermediate CMT NGS Panel in the UCLH National Hospital for Neurology and Neurosurgery & Institute of Neurology (NHNN) Neurogenetics genetic testing manual.
Created: 10 Jun 2016, 12:57 p.m.

Details

Mode of Inheritance
X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
Sources
  • Eligibility statement prior genetic testing
  • Radboud University Medical Center, Nijmegen
  • South West GLH
  • Expert Review Green
  • UKGTN
  • Emory Genetics Laboratory
  • Expert list
  • London North GLH
  • Illumina TruGenome Clinical Sequencing Services
  • NHS GMS
  • South West GLH
  • NHS GMS
  • London North GLH
Phenotypes
  • Charcot-Marie-Tooth, X-linked
  • Charcot Marie Tooth neuropathy, X linked dominant, 1, 302800
OMIM
304040
Clinvar variants
Variants in GJB1
Penetrance
None
Publications
Panels with this gene

History Filter Activity

5 Dec 2019, Gel status: 3

Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes

Ellen McDonagh (Genomics England Curator)

gene: GJB1 was added gene: GJB1 was added to Hereditary neuropathy NOT PMP22 copy number. Sources: NHS GMS,Illumina TruGenome Clinical Sequencing Services,London North GLH,Expert list,Emory Genetics Laboratory,UKGTN,Expert Review Green,South West GLH,Radboud University Medical Center, Nijmegen,Eligibility statement prior genetic testing Mode of inheritance for gene: GJB1 was set to X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males) Publications for gene: GJB1 were set to 8266101 Phenotypes for gene: GJB1 were set to Charcot-Marie-Tooth, X-linked; Charcot Marie Tooth neuropathy, X linked dominant, 1, 302800