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Review
. 2019 Aug;133(8):650-657.
doi: 10.1017/S0022215119001439. Epub 2019 Jul 30.

MicroRNAs in acquired sensorineural hearing loss

H H R Chen  1 , P Wijesinghe  1   2 , D A Nunez  1   2
Affiliations
Review

MicroRNAs in acquired sensorineural hearing loss

H H R Chen et al. J Laryngol Otol. 2019 Aug.

Abstract

Objective: This review summarises the current literature on the role of microRNAs in presbyacusis (age-related hearing loss) and sudden sensorineural hearing loss.

Methods: Medline, PubMed, Web of Science and Embase databases were searched for primary English-language studies, published between 2000 and 2017, which investigated the role of microRNAs in the pathogenesis of presbyacusis or sudden sensorineural hearing loss. Quality of evidence was assessed using the National Institutes of Health quality assessment tool.

Results: Nine of 207 identified articles, 6 of good quality, satisfied the review's inclusion criteria. In presbyacusis, microRNAs in pro-apoptotic and autophagy pathways are upregulated, while microRNAs in proliferative and differentiation pathways are downregulated. Evidence for microRNAs having an aetiological role in sudden hearing loss is limited.

Conclusion: A shift in microRNA expression, leading to reduced cellular activity and impaired inner-ear homeostasis, may contribute to the pathogenesis of presbyacusis.

Keywords: MiRNA-MRNA Interactions; MicroRNAs; Presbycusis; Sensorineural Hearing Loss.

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