MicroRNA-214 Inhibits Chicken Myoblasts Proliferation, Promotes Their Differentiation, and Targets the TRMT61A Gene

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2020 Dec 1

PMID 33255823

Citations 6

Authors

Yanjun Duan

Yulin Wu

Xuemei Yin

Tingting Li

Fuxiang Chen

Pengfei Wu

Shanshan Zhang

Jinyu Wang

Genxi Zhang

Affiliations

Soon will be listed here.

Abstract

The proliferation and differentiation of myoblasts is an important process of skeletal muscle development. In this process, microRNAs (miRNAs) play an important role in the proliferation and differentiation of chicken primary myoblasts (CPMs). Our previous study found that miR-214 and the tRNA methyltransferase 61A (TRMT61A) gene were differentially expressed in different stages of proliferation and differentiation. Therefore, this study aimed to explore the effect of miR-214 on the proliferation and differentiation of CPMs and the functional relationship between miR-214 and TRMT61A. In this study, we detected the effect of miR-214 on the proliferation of CPMs by qPCR, flow cytometry, CCK-8, and EdU after the overexpression and interference of miR-214. qPCR, Western blotting, and indirect immunofluorescence were used to detect the effect of miR-214 on the differentiation of the CPMs. The expression patterns of miR-214 and TRMT61A were observed at different time points of differentiation induced by the CPMs. The results show that miR-214 inhibited the proliferation of the CPMs and promoted the differentiation of the CPMs. The Dual-Luciferase Reporter assay and the expression pattern of miR-214 and TRMT61A suggested that they had a negative regulatory target relationship. This study revealed the function and regulatory mechanism of miR-214 in the proliferation and differentiation of CPMs.

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