Research of miRNA function in inner ear disease and new diagnostic biomarker

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miRNAs are small non-coding RNAs. They are involved in diverse physiological, developmental, and pathological processes by regulating the expression of target messenger RNAs (mRNAs). In the current review, they discuss the developments in miRNAs research with a focus on the potential role of miRNAs in inner ear development, genetic hearing loss. In this study we examined miRNAs expression in plural geriatric human inner ear. In this research we found that these miRNAs that have a important roles in inner ear, are still expressed in old age, and oldest olds. This result shows that these miRNAs have important roles not only in development but also in inner ear maintenance of homeostasis.