期刊
GENES
卷 11, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/genes11121400
关键词
myoblast; miR-214; proliferation; differentiation; Dual-Luciferase Reporter assay
资金
- Natural Science Foundation of Jiangsu Province [BK20181453]
- Special Funds Project for Transforming Scientific and Technological Achievements in Jiangsu Province [BA2018099]
- China Agriculture Research System [CARS-41]
- Priority Academic Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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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