Analysis of Deafness Susceptibility Gene of Neonates in Northern Guangdong, China

Overview

Journal Sci Rep

Specialty Science

Date 2024 Jan 3

PMID 38172182

Authors

Zhanzhong Ma

Wenbo Huang

Jing Xu

Jianwu Qiu

Yulan Liu

Meixian Ye

Shushu Fan

Affiliations

Soon will be listed here.

Abstract

This study aimed to explore the molecular epidemiology characteristics of deafness susceptibility genes in neonates in northern Guangdong and provide a scientific basis for deafness prevention and control. A total of 10,183 neonates were recruited between January 2018 and December 2022 at Yuebei People's Hospital. Among these, a PCR hybridization screening group of 8276 neonates was tested for four deafness genes: GJB2, SLC26A4, mtDNA, and GJB3 by PCR hybridization. Another group used next-generation sequencing (NGS) to detect genetic susceptibility genes in 1907 neonates. In PCR hybridization screening group, 346 (4.18%) of 8276 neonates were found to be carriers of the deafness gene. Among these, 182 (2.2%) had GJB2 variants, 114 (1.38%) had SLC26A4 variants, 35 (0.42%) had mtDNA variants, and 15 (0.18%) had GJB3 variants. In NGS Screening Group, 195 out of 1907 neonates were found to be carriers of the deafness gene, with a positive rate of 10.22%. Among these, 137 (7.18%) had GJB2 variants, 41 (2.15%) had SLC26A4 variants, 11 (0.58%) had mtDNA variants, and 6 (0.31%) had GJB3 variants. The prevalence of deafness gene variants was high in Northern Guangdong Province. The most common gene for deafness was GJB2, followed by SLC26A4 and mtDNA. GJB3 variants are rare. Compared with PCR hybridization method, NGS technology can expand the screening scope and greatly improve the detection rate of deafness genes. The c.109G>A of GJB2 was found to occur at a high frequency, which should be considered. Therefore, it is important to conduct neonatal deafness gene screening to prevent and control hereditary deafness.

Citing Articles

Genetic and audiological determinants of hearing loss in high-risk neonates.

Shi Y, Zhang N, Du N, Zheng T, Yu Y, Li Y Braz J Otorhinolaryngol. 2025; 91(2):101541.

PMID: 39754783 PMC: 11753957. DOI: 10.1016/j.bjorl.2024.101541.

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