Exome sequencing identifies POU4F3 as the causative gene for a large Chinese family with non-syndromic hearing loss

Xin Zhang Cai, Ying Li, Lu Xia, Yu Peng, Chu Feng He, Lu Jiang, Yong Feng, Kun Xia, Xue Z Liu, Ling Yun Mei, Zheng Mao Hu

Research output: Contribution to journalArticle

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Abstract

Hearing impairment, or deafness (in its most severe form), is one of the most common human sensory disorders. There have been several reports of autosomal dominant mutations in the POU4F3 gene, which is associated with non-syndromic hearing loss. In this study, we identified a novel heterozygous mutation (c.602delT, p.L201fs) in the gene POU4F3 by taking advantage of whole-exome sequencing, which was validated by Sanger sequencing and completely co-segregated within a large hearing impaired Chinese family. We have focused on this pedigree since 2002, and we have mapped a deafness locus named DFNA42 (which has been renamed DFNA52, OMIM entry 607683) via a genome-wide scan. Furthermore, we analyzed this mutational variant and found that it was located at the beginning of the first functional domain of POU4F3, which could theoretically impair the function of POU4F3. We have identified a novel frameshift mutation in the POU4F3 gene. Further functional studies of variants of this specific gene are needed to illustrate the pathogenic mechanism(s) that underlie hearing impairment.

Original languageEnglish (US)
Pages (from-to)317-320
Number of pages4
JournalJournal of Human Genetics
Volume62
Issue number2
DOIs
StatePublished - Feb 1 2017

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Exome
Hearing Loss
Deafness
Genes
Sensation Disorders
Genetic Databases
Frameshift Mutation
Mutation
Pedigree
Hearing
Genome

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)

Cite this

Exome sequencing identifies POU4F3 as the causative gene for a large Chinese family with non-syndromic hearing loss. / Cai, Xin Zhang; Li, Ying; Xia, Lu; Peng, Yu; He, Chu Feng; Jiang, Lu; Feng, Yong; Xia, Kun; Liu, Xue Z; Mei, Ling Yun; Hu, Zheng Mao.

In: Journal of Human Genetics, Vol. 62, No. 2, 01.02.2017, p. 317-320.

Research output: Contribution to journalArticle

Cai, XZ, Li, Y, Xia, L, Peng, Y, He, CF, Jiang, L, Feng, Y, Xia, K, Liu, XZ, Mei, LY & Hu, ZM 2017, 'Exome sequencing identifies POU4F3 as the causative gene for a large Chinese family with non-syndromic hearing loss', Journal of Human Genetics, vol. 62, no. 2, pp. 317-320. https://doi.org/10.1038/jhg.2016.102
Cai, Xin Zhang ; Li, Ying ; Xia, Lu ; Peng, Yu ; He, Chu Feng ; Jiang, Lu ; Feng, Yong ; Xia, Kun ; Liu, Xue Z ; Mei, Ling Yun ; Hu, Zheng Mao. / Exome sequencing identifies POU4F3 as the causative gene for a large Chinese family with non-syndromic hearing loss. In: Journal of Human Genetics. 2017 ; Vol. 62, No. 2. pp. 317-320.
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