The Effect of the MicroRNA-183 Family on Hair Cell-Specific Markers of Human Bone Marrow-Derived Mesenchymal Stem Cells

Mahmoudian-Sani, MR and Jami, MS and Mahdavinezhad, A and Amini, R (2018) The Effect of the MicroRNA-183 Family on Hair Cell-Specific Markers of Human Bone Marrow-Derived Mesenchymal Stem Cells. Audiol Neurootol.

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Hearing loss is considered the most common sensory disorder across the world. Nowadays, a cochlear implant can be an effective treatment for patients. Moreover, it is often believed that sensorineural hearing loss in humans is caused by loss or disruption of the function of hair cells in the cochlea. In this respect, mesenchymal cells can be a good candidate for cell-based therapeutic approaches. To this end, the potential of human bone marrow-derived mesenchymal stem cells to differentiate into hair cells with the help of transfection of microRNA in vitro was investigated. MicroRNA mimics (miRNA-96, 182, and 183) were transfected to human bone marrow-derived mesenchymal stem cells using Lipofec-tamine as a common transfection reagent following the manufacturer's instructions at 50 nM for microRNA mimics and 50 nM for the scramble. The changes in cell morphology were also observed under an inverted microscope. Then, the relative expression levels of SOX2, POU4F3, MYO7A, and calretinin were assayed using real-time polymerase chain reaction according to the ΔΔCt method. The ATOH1 level was similarly measured via real-time polymerase chain reaction and Western blotting. The results showed that increased expression of miRNA-182, but neither miRNA-96 nor miRNA-183, could lead to higher expression levels in some hair cell markers. The morphology of the cells also did not change in this respect, but the evaluation of gene expression at the levels of mRNA could promote the expression of the ATOH1, SOX2, and POU4F3 markers. Furthermore, miRNA-182 could enhance the expression of ATOH1 at the protein level. According to the results of this study, it was concluded that miRNA-182 could serve as a crucial function in hair cell differentiation by the upregulation of SOX2, POU4F3, and ATOH1 to promote a hair cell's fate.

Item Type: Article
Uncontrolled Keywords: Hair cell, Hearing loss, Human bone marrow-derived mesenchymal stem cells, MicroRNA-183 family
Subjects: QS Human Anatomy
QS Human Anatomy
university Structure > QS Human Anatomy

WR Dermatology
Divisions: Faculty of Medicine
Depositing User: Unnamed user with email
Date Deposited: 13 Nov 2018 08:23
Last Modified: 20 Apr 2019 09:47

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