3billion
back to listBack to List

GJB2

gap junction protein beta 2

HCNC Approved Symbol
GJB2 (HGNC:4284)
Genomic Coordinates
13:20,187,470 - 20,192,938 (13q12.11)
Synonyms
CX26, NSRD1, DFNB1, DFNA3
Disease Associations
This gene is associated with the following 7 diseases in OMIM.

Diagnosed Cases

127Patients

In total, 127 patients were diagnosed with a variant in the GJB2 gene.

Frequently observed phenotypes

(Top 5 only, Patient count*)
*% of total patients presenting each phenotype is shown in parentheses.

Hearing loss
 73 (57.5%)
Hearing impairment
 
12 (9.4%)
Congenital deafness
 
6 (4.7%)
Profound deafness
 
4 (3.1%)
Severe deafness
 
4 (3.1%)
GJB2 - Gene browser | 3billion