| Geno | Mag | Summary | 
| (-;-) | 6 | deafness associated | 
| (-;C) | 3 | carrier of deafness-associated variant | 
| (C;C) | 0 | common in clinvar | 
 
Also known as 235delC, this SNP in the GJB2 gene is one of the most common nonsyndromic recessive deafness-associated variants in eastern Asian populations.
| ClinVar | 
| Risk | Rs80338943(-;-) | 
| Alt | Rs80338943(-;-) | 
| Reference | Rs80338943(C;C) | 
| Significance | Pathogenic | 
| Disease | Deafness Hearing impairment Nonsyndromic hearing loss and deafness not provided | 
| Variation | info | 
|---|
| Gene | GJB2 | 
| CLNDBN | Deafness, autosomal recessive 1A  Deafness, digenic, GJB2/GJB3  Hearing impairment  Nonsyndromic hearing loss and deafness  not provided  Deafness, autosomal dominant 3a | 
| Reversed | 1 | 
| HGVS | NC_000013.10:g.20763486delG | 
| CLNSRC | OMIM Allelic Variant | 
| CLNACC | RCV000018538.32, RCV000018539.24, RCV000146011.1, RCV000211768.1, RCV000255303.1, RCV000410166.1, RCV000490501.1, | 
[PMID 12384] [Nursing and drugs: criticism of total dependence on analgesics for the treatment of pain. Reevaluation of nursing concession to the patient's request, resulting in the development of narcotic dependence].
[PMID 10607953] Novel mutations in the connexin 26 gene (GJB2) responsible for childhood deafness in the Japanese population.
[PMID 10633133 ] Prevalent connexin 26 gene (GJB2) mutations in Japanese.
] Prevalent connexin 26 gene (GJB2) mutations in Japanese.
[PMID 16380907 ] GJB2 mutations and degree of hearing loss: a multicenter study.
] GJB2 mutations and degree of hearing loss: a multicenter study.
[PMID 17505205] The prevalence of the 235delC GJB2 mutation in a Chinese deaf population.
[PMID 19050930 ] Digenic inheritance of non-syndromic deafness caused by mutations at the gap junction proteins Cx26 and Cx31.
] Digenic inheritance of non-syndromic deafness caused by mutations at the gap junction proteins Cx26 and Cx31.