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Titre : | GJB2 p.V37I Mutation Associated With Moderate Nonsyndromic Hearing Loss in an Adult Taiwanese Population (2023) |
Auteurs : | Ting-Ting Yen ; I-Chieh Chen ; Sudi Cho ; Ting-Gang Chang ; Kai-Hsiang Shih ; Men-Wei Hua ; Jui-Lin Li ; Chiann-Yi Hsu ; Tzu-Hung Hsiao ; Yi-Ming Chen |
Type de document : | Article |
Dans : | Ear and hearing (Vol. 44, n°6, November December 2023) |
Article en page(s) : | p. 1423-1429 |
Note générale : | DOI: 10.1097/AUD.0000000000001384 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Audiogramme ; Surdité neurosensorielle (SNHL)Autres descripteurs Surdite gjb2 |
Résumé : |
Background: Gap junction protein beta 2 (GJB2) p.V37I mutations are the most important hereditary cause of sensorineural hearing loss (SNHL) in Taiwan. Hearing outcomes are associated with hearing levels at baseline and the duration of follow-up. However, the audiological features of GJB2 p.V37I mutations in the adult population are unknown. The objectives of the present study were to investigate the audiological features, progression rate, and allele frequency of GJB2 p.V37I mutations among an adult Taiwanese population.
Methods: Subjects of this case-control study were chosen from 13,580 participants of the Taiwan Precision Medicine Initiative. The genetic variations of GJB2 p.V37I were determined by polymerase chain reaction. We analyzed existing pure-tone threshold data from 38 individuals who were homozygous or compound heterozygotes for GJB2 p.V37I, 129 who were heterozygotes, and 602 individuals who were wild-type. Phenome-wide association studies (PheWAS) analysis was also performed to identify phenotypes associated with GJB2 p.V37I. Results: The minor allele frequency of GJB2 p.V37I was 0.92% in our study population. The mean hearing level of participants with a p.V37I mutation indicated moderate to severe hearing loss with 38.2% +/- 22.3% binaural hearing impairment. GJB2 p.V37I was associated with an increased risk of hearing disability (odds ratio: 21.46, 95% confidence interval: 8.62 to 53.44, p Conclusions: The present study recommends patients with known GJB2 p.V37I mutations receive regular audiometric evaluation and genetic counseling. Early assistive listening device intervention is suggested to improve the quality of hearing. |
Disponible en ligne : | Oui |
En ligne : | https://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&D=yrovftz2&AN=00003446-202311000-00013 |