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Intellectual disability

Gene: GJB2

Red List (low evidence)

GJB2 (gap junction protein beta 2)
EnsemblGeneIds (GRCh38): ENSG00000165474
EnsemblGeneIds (GRCh37): ENSG00000165474
OMIM: 121011, Gene2Phenotype
GJB2 is in 12 panels

4 reviews

Arina Puzriakova (Genomics England Curator)

The rating of this gene has been updated from Amber to Red following NHS Genomic Medicine Service approval.
Created: 29 Jul 2022, 1:47 p.m. | Last Modified: 29 Jul 2022, 1:47 p.m.
Panel Version: 3.1637

Dmitrijs Rots (RadboudUMC)

Red List (low evidence)

Not associated with ID, so should be red in this panel
Created: 25 Apr 2022, 10:49 a.m. | Last Modified: 25 Apr 2022, 10:49 a.m.
Panel Version: 3.1561

BRIDGE consortium (NIHRBR-RD)

Green List (high evidence)

This is a pertinent gene from the NIHR BioResource - Rare Diseases Study (NIHRBR-RD) BRIDGE Study : SPEED (Specialist Pathology: Evaluating Exomes in Diagnostics) which covers epilepsies, movement and microcephaly disorders, this gene is on the SPEED_NEURO_20170705 gene list. Evidences used for SPEED NEURO gene list: in_ddg2p_20141118_conf;in_ddg2p_20141118_conf;in_ddg2p_201507;in_ddg2p_201507_conf;in_ddg2p_2_4_2017;in_ddg2p_2_4_2017_conf;in_UKGTN_v12 . Main mutation mechanism : All missense/in frame; Loss of function
Created: 27 Jul 2017, 6:15 p.m.

Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal


Mode of pathogenicity

Louise Daugherty (Genomics England Curator)

Comment on list classification: This gene is from an expert list and needs further assessment by the Genomics England curation team to access inclusion and pertinence to this panel.
Created: 28 Jul 2017, 12:03 p.m.


Mode of Inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Expert Review Red
  • Deafness, autosomal recessive 1A, 220290
  • Deafness, autosomal
  • dominant 3A, 601544
  • Vohwinkel syndrome, 124500
  • Keratoderma, palmoplantar, with deafness, 148350
  • Keratitis-ichthyosis-deafness
  • syndrome, 148210
  • Hystrix-like ichthyosis with deafness, 602540
  • Bart-Pumphrey syndrome, 149200
Clinvar variants
Variants in GJB2
Mode of Pathogenicity
Panels with this gene

History Filter Activity

29 Jul 2022, Gel status: 1

Added New Source, Status Update

Arina Puzriakova (Genomics England Curator)

Source Expert Review Red was added to GJB2. Rating Changed from Amber List (moderate evidence) to Red List (low evidence)

12 Mar 2018, Gel status: 2

Panel promoted to version 2.0

Ellen McDonagh (Genomics England Curator)

12.03.2018: Due to major updates completed (Phase 1, 2 and 3), this panel was promoted to Version 2 in order to reflect the major updates since November 2017 which have resulted in reviews for 836 genes added by Genomics England Curators and the Clinical Team, 130 new Green genes added to the interpretation pipeline (from 751 to 881 Green genes), and the gene total has increased from 1879 to 1927.

28 Jul 2017, Gel status: 2

Gene classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

This gene has been classified as Amber List (Moderate Evidence).

27 Jul 2017, Gel status: 0

Added New Source

BRIDGE consortium (NIHRBR-RD)

GJB2 was added to Intellectual disabilitypanel. Sources: BRIDGE study SPEED NEURO Tier1 Gene

27 Jul 2017, Gel status: 0


BRIDGE consortium (NIHRBR-RD)

GJB2 was created by BRIDGE