MicroRNA-181a Regulates the Proliferation and Differentiation of Hu Sheep Skeletal Muscle Satellite Cells and Targets the YAP1 Gene
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Mingliang He, Weibo Zhang, Shan Wang, Ling Ge, Xiukai Cao, Shanhe Wang, Zehu Yuan, Xiaoyang Lv, Tesfaye Getachew, Joram Mwacharo, Aynalem Haile, Wei Sun. (16/3/2022). MicroRNA-181a Regulates the Proliferation and Differentiation of Hu Sheep Skeletal Muscle Satellite Cells and Targets the YAP1 Gene. Genes, 13 (3).
Abstract
MicroRNA (miRNA) is of great importance to muscle growth and development, including
the regulation of the proliferation and differentiation of skeletal muscle satellite cells (SMSCs). In our
research group’s previous study, we found that miR-181a is differentially expressed in the longissimus
dorsi muscle of Hu sheep at different stages. We speculated that miR-181a may participate in the
growth and development process of Hu sheep. To understand the mechanism of miR-181a regulating
the growth and development of Hu sheep skeletal muscle, we extracted skeletal muscle satellite
cells from the longissimus dorsi muscle of 3-month-old Hu sheep fetuses and performed a series of
experiments. Our results showed that miR-181a suppressed SMSCs’ proliferation using QRT-PCR,
Western blot, CCK-8, EDU, and Flow cytometry cycle tests. In addition, QRT-PCR, Western blot,
and immunofluorescence indicated that miR-181a facilitated the differentiation of SMSCs. Then, we
used dual-luciferase reporter gene detection, QRT-PCR, and Western blot to find that the Yes1-related
transcription regulator (YAP1) is the target gene of miR-181a. Our study supplies a research basis for
understanding the regulation mechanism of miR-181a on the growth of Hu sheep skeletal muscle.
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Author(s) ORCID(s)
Getachew, Tesfaye https://orcid.org/0000-0002-0544-6314
Mwacharo, Joram https://orcid.org/0000-0001-6981-8140
Haile, Aynalem https://orcid.org/0000-0001-5914-0487
Mwacharo, Joram https://orcid.org/0000-0001-6981-8140
Haile, Aynalem https://orcid.org/0000-0001-5914-0487