European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2021
A novel MYH9 mutation related to non-syndromic delayed post-lingual sensorineural hearing loss.
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Pan Chen, Zhang Yunmei, Yang Siqi, Chen Chun, Wang Jinxin, Shi Chen, Yu Yafeng
Аннотация
OBJECTIVE: Hearing loss (HL) is the most common sensory organ dysfunction disease. The cause is often complex, though genetics are the main factor.
METHODS: In this study, we investigated a Chinese family with non-syndromic delayed post-lingual deafness. Comprehensive data collection was performed on this family's members, including basic information, audiological examinations, blood system examinations and imaging examinations. A pedigree diagram was drawn and the genetic patterns were analyzed.
RESULTS: A new gene mutation, c.314A>T:p.Y105F in the MYH9 exon, was confirmed by next generation sequencing and Sanger sequencing. This mutation co-segregated with the phenotype in the pedigree. Patients in this family present bilateral symmetry and gradual and delayed high-frequency sensorineural hearing loss. The age of onset was approximately 30 years old. Except for hearing loss, no lesions were seen in other organs, especially the blood system.
CONCLUSION: The identification and detection of a novel MYH9 mutation may be of great significance to provide the basis for gene function research and genetic consultation.
METHODS: In this study, we investigated a Chinese family with non-syndromic delayed post-lingual deafness. Comprehensive data collection was performed on this family's members, including basic information, audiological examinations, blood system examinations and imaging examinations. A pedigree diagram was drawn and the genetic patterns were analyzed.
RESULTS: A new gene mutation, c.314A>T:p.Y105F in the MYH9 exon, was confirmed by next generation sequencing and Sanger sequencing. This mutation co-segregated with the phenotype in the pedigree. Patients in this family present bilateral symmetry and gradual and delayed high-frequency sensorineural hearing loss. The age of onset was approximately 30 years old. Except for hearing loss, no lesions were seen in other organs, especially the blood system.
CONCLUSION: The identification and detection of a novel MYH9 mutation may be of great significance to provide the basis for gene function research and genetic consultation.