Auditory Neuropathy Spectrum Disorder due to Two Novel Compound Heterozygous OTOF Mutations in Two Chinese Families

Copyright © 2019 Yue Qiu et al.

Bibliographische Detailangaben
Veröffentlicht in:Neural plasticity. - 1998. - 2019(2019) vom: 01., Seite 9765276
1. Verfasser: Qiu, Yue (VerfasserIn)
Weitere Verfasser: Chen, Sen, Xie, Le, Xu, Kai, Lin, Yi, Bai, Xue, Zhang, Hui-Min, Liu, Xiao-Zhou, Jin, Yuan, Sun, Yu, Kong, Wei-Jia
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Neural plasticity
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Membrane Proteins OTOF protein, human
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520 |a Auditory neuropathy spectrum disorder (ANSD), also called auditory neuropathy (AN), is a unique type of prelingual hearing impairment. Up to 10% of deaf infants and children are affected by this disease. Mutation of the OTOF gene which encodes otoferlin is the common cause of congenital nonsyndromic ANSD. To date, over 110 mutations have been identified in the OTOF gene according to the Human Gene Mutation Database (HGMD). Here, next-generation sequencing (NGS) revealed that the compound heterozygous mutations c.4748G>A/c.2523+1G>T and c.5248G>C/c.5098G>C of the OTOF gene were present in two Chinese ANSD patients. Each patient had a known pathogenic mutation (c.4748G>A or c.5098G>C) and a novel mutation (c.2523+1G>T or c.5248G>C). Comparative amino acid sequence analysis across different species revealed that the residues at these novel mutation sites are evolutionarily highly conservative. This indicated that the novel mutations were possible causes of the disorder in the patients. Our findings extend the OTOF mutation spectrum and further confirm the role of the OTOF gene in ANSD 
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700 1 |a Chen, Sen  |e verfasserin  |4 aut 
700 1 |a Xie, Le  |e verfasserin  |4 aut 
700 1 |a Xu, Kai  |e verfasserin  |4 aut 
700 1 |a Lin, Yi  |e verfasserin  |4 aut 
700 1 |a Bai, Xue  |e verfasserin  |4 aut 
700 1 |a Zhang, Hui-Min  |e verfasserin  |4 aut 
700 1 |a Liu, Xiao-Zhou  |e verfasserin  |4 aut 
700 1 |a Jin, Yuan  |e verfasserin  |4 aut 
700 1 |a Sun, Yu  |e verfasserin  |4 aut 
700 1 |a Kong, Wei-Jia  |e verfasserin  |4 aut 
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