GJB3, gap junction protein beta 3, 2707

N. diseases: 79; N. variants: 16
Source: ALL
Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE A mutation in GJB3 is associated with recessive erythrokeratodermia variabilis (EKV) and leads to defective trafficking of the connexin 31 protein. 12019212 2002
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE The study suggests that Cx31 mutant proteins are un/misfolded to cause EKV likely via an AP-1-mediated mechanism and identifies a small molecule with therapeutic potential of the disease. 26251042 2015
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE These mutations include G12D, which replaces a conserved glycine residue in the amino-terminus of Cx31 and is associated with a severe EKV phenotype. 12702148 2003
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 Biomarker disease BEFREE Mutations associated with EKV have been identified in the connexin (Cx) genes GJB3 (Cx31) and GJB4 (Cx30.3), however, several cases of EKV have been tested negative for mutations in these two Cx genes. 22266302 2012
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Immunostaining of a biopsy taken from an EKV patient harbouring the R42P mutation revealed sparse epidermal staining of Cx31, and, when present, it had a perinuclear localization. 12165562 2002
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Mutations in connexin 31 (Cx31) are associated with erythrokeratodermia variabilis (EKV), hearing impairment and peripheral neuropathy; however, the pathological mechanism of Cx31 mutants remains unknown. 16077902 2005
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Mutations in the connexin 31 (GJB3) gene have been found in subjects with dominant and recessive deafness and in patients with erythrokeratodermia variabilis. 11309368 2001
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE We have now investigated GJB3 in two families and three sporadic cases with EKV, and report three new heterozygous mutations. 10798362 2000
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Mutations in the human connexin gene GJB3 cause erythrokeratodermia variabilis. 9843209 1998
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Erythrokeratodermia variabilis et progressiva (EKVP) is a genodermatosis with clinical and genetic heterogeneity, most often transmitted in an autosomal dominant manner, caused by mutations in GJB3 and GJB4 genes encoding connexins (Cx)31 and 30.3, respectively.In this issue, Boyden et al. 25964267 2015
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 Biomarker disease BEFREE The study identifies a mechanism of EKV pathogenesis induced by a Cx31 mutant and provides a new avenue for potential treatment strategy of the disease. 22393412 2012
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE So far, several mutations in the Cx31 or Cx30.3 gene have been reported to cause EKV in humans. 17446259 2007
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 Biomarker disease BEFREE Despite slight differences, phenotypes of EKV Mendes Da Costa (Cx31) and EKV Cram-Mevorah (Cx30.3) show major clinical overlap and both Cx30.3 and Cx31 are expressed in the upper epidermal layers. 14583444 2003
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 Biomarker disease BEFREE Mutations in the GJB3 gene, encoding the gap junction protein connexin 31 (Cx31), have been pathogenically linked to erythrokeratodermia variabilis and nonsyndromic autosomal recessive or dominant hereditary hearing impairment. 15131355 2004
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE All families with EKV show mapping to chromosome 1p34-p35, and mutations in the gene for connexin 31 (Cx31) have been reported in some but not all families. 11017804 2000
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE A novel, recurrent GJB3 mutation (625C-->T; L209F) was identified in the family with EKV and in the unrelated sporadic case. 15948974 2005
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Only the proband and her unaffected mother exhibited the GJB3 mutation, which is in the same amino acid of a known Erythrokeratodermia variabilis mutation. 29044474 2018
CUI: C0265961
Disease: Erythrokeratodermia variabilis
Erythrokeratodermia variabilis
0.900 GeneticVariation disease BEFREE Erythrokeratodermia variabilis et progressiva (EKV-P) is caused by mutations in either the GJB3 (Cx31) or GJB4 genes (Cx30.3). 29570224 2019
CUI: C4721453
Disease: Peripheral Nervous System Diseases
Peripheral Nervous System Diseases
0.540 GeneticVariation group BEFREE Peripheral neuropathy is the third phenotypic alteration linked to GJB3 mutations, which enlarges the list of genes that cause this group of heterogeneous disorders. 11309368 2001
CUI: C4721453
Disease: Peripheral Nervous System Diseases
Peripheral Nervous System Diseases
0.540 GeneticVariation group BEFREE Mutations in connexin 31 (Cx31) are associated with erythrokeratodermia variabilis (EKV), hearing impairment and peripheral neuropathy; however, the pathological mechanism of Cx31 mutants remains unknown. 16077902 2005
CUI: C4721453
Disease: Peripheral Nervous System Diseases
Peripheral Nervous System Diseases
0.540 GeneticVariation group BEFREE The Cx31 mutants (R42P)Cx31, (C86S)Cx31 and (G12D)Cx31 are associated with EKV and the mutant (66delD)Cx31 with peripheral neuropathy and hearing loss, however the mechanisms of pathogenesis remain to be elucidated. 19755382 2009
CUI: C4721453
Disease: Peripheral Nervous System Diseases
Peripheral Nervous System Diseases
0.540 GeneticVariation group BEFREE Distinct germline mutations in the gene (GJB3) encoding connexin 31 (Cx31) underlie the skin disease erythrokeratoderma variabilis (EKV) or sensorineural hearing loss with/without peripheral neuropathy. 12165562 2002
CUI: C1384666
Disease: hearing impairment
hearing impairment
0.500 GeneticVariation phenotype BEFREE To study the possible involvement of other members of the connexin family in hereditary hearing impairment, we cloned the gene (GJB3) encoding human gap junction protein beta-3 using homologous EST searching and nested PCR. 9843210 1998
CUI: C1384666
Disease: hearing impairment
hearing impairment
0.500 AlteredExpression phenotype BEFREE Connexin 31 (GJB3) is expressed in the peripheral and auditory nerves and causes neuropathy and hearing impairment. 11309368 2001
CUI: C1384666
Disease: hearing impairment
hearing impairment
0.500 AlteredExpression phenotype BEFREE Thus, haplotype comparison excluded a contribution of the region concerned to the expression of hearing impairment in this family, nor could the susceptibility be assigned to the GJB2, GJB3, MTO1 or TIMM8A genes. 12939650 2003