Next-generation sequencing facilitates genetic diagnosis and improves the management of patients with hearing loss in clinical practice

被引:3
作者
Liu, Chang [1 ,2 ]
Huang, Yanlin [1 ,2 ]
Zhang, Yan [1 ,2 ]
Ding, Hongke [1 ,2 ]
Yu, Lihua [1 ,2 ]
Wang, Anshi [1 ,2 ]
Wang, Yunan [1 ]
Zeng, Yukun [1 ,2 ]
Liu, Ling [1 ,2 ]
Liu, Yuan [1 ,2 ]
Qi, Yiming [1 ,2 ]
Li, Fake [1 ,2 ]
Wu, Jing [1 ]
Du, Li [1 ,2 ]
Mai, Fei [3 ]
Zhang, Qi [1 ,2 ]
Wang, Xingwang [1 ,2 ]
Yin, Aihua [1 ,2 ,4 ]
机构
[1] Guangdong Women & Children Hosp, Med Genet Ctr, Guangzhou 510010, Guangdong, Peoples R China
[2] Guangdong Women & Children Hosp, Maternal & Children Metab Genet Key Lab, Guangzhou 510010, Guangdong, Peoples R China
[3] Guangdong Women & Children Hosp, Dept ENT, Guangzhou 510010, Guangdong, Peoples R China
[4] Guangdong Women & Children Hosp, Guangzhou 510010, Peoples R China
关键词
Hearing loss; Next -generation sequencing; Molecular analysis; Clinical evaluation; ETIOLOGIC DIAGNOSIS; MEDICAL GENETICS; AMERICAN-COLLEGE; GUIDELINES; GENOMICS;
D O I
10.1016/j.ijporl.2022.111258
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Background: Hearing loss (HL) is a prevalent sensorineural disorder, and is among the most etiologically het-erogeneous disorders. With the advent of next-generation sequencing (NGS) technologies, hundreds of candidate genes can be analyzed simultaneously in a cost-effective manner.Methods: Ninety-four patients from 87 families diagnosed with non-syndromic or syndromic HL were enrolled. A custom-designed HL panel and clinical exome sequencing (CES) were applied to explore molecular etiology in the cohort, and the efficacy of the two panels was examined.Results: The etiologic diagnosis for HL has been identified for 36 out of 87 probands (41.4%), 28 with an autosomal recessive (AR) inheritance pattern and 8 with an autosomal dominant (AD) pattern. Candidate var-iants in 18 different genes were identified in the study cohort, 10 with AR inheritance pattern and 8 with AD pattern. Fourteen of the variants identified in the study were novel.Conclusions: The custom-designed HL panel covers almost all known HL-associated genes, and can be used as an effective clinical diagnostic platform; CES evaluates all exons related to clinical symptoms, and is also suitable for clinical diagnosis of HL. Next-generation sequencing facilitates genetic diagnosis and improves the management of patients with HL in the clinical practice.
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页数:7
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