Tehran University of Medical Sciences

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G130v De Novo Mutation in an Iranian Pedigree With Nonsyndromic Hearing Loss Without Palmoplantar Keratoderma Publisher Pubmed



Babanejad M1 ; Zarandy MM2 ; Nikzat N1 ; Bazazzadegan N1 ; Arzhangi S1 ; Mohseni M1 ; Kahrizi K1 ; Najmabadi H1
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Source: International Journal of Pediatric Otorhinolaryngology Published:2019


Abstract

Mutations in the GJB2 gene encoding connexin 26 (Cx26) cause autosomal recessive and rarely dominant nonsyndromic sensorineural hearing loss as well as asyndromic hearing impairment with skin problems. A dominant GJB2 mutation, c.389G > T (p.G130V), has been reported previously in association with hearing impairment and palmoplantar keratoderm. Here we report the first de novo G130V mutation of GJB2 gene in a sporadic case of hearing loss in a consanguineous Iranian family which is not associated with skin disorder. © 2019 Elsevier B.V.
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