期刊
STEM CELLS AND DEVELOPMENT
卷 29, 期 6, 页码 336-352出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/scd.2019.0286
关键词
myogenic stem cells; myoblasts; mechanical stretch; mechanoresponses; cellular signaling
资金
- National Natural Science Foundation of China [11702154]
- China Postdoctoral Science Foundation [2018M642621]
- Qingdao Outstanding Health Professional Development Fund
Mechanically stretched skeletal muscle undergoes dramatic shifts in structure, mass, and function. In vitro tensile strain models have demonstrated that myogenic progenitor cells, including satellite cells and myoblasts, are highly mechanosensitive cells, and respond to mechanical strain in a wide variety of aspects. However, the experimental results from different researchers and laboratories are not always in support of each other. Moreover, some specific molecules or signaling pathways were reported to play distinct roles in stretched myogenic cells, according to the statements of different studies. The purpose of this review is to integrate the researches conducting in vitro culture of satellite cells or myoblasts and exploring their mechanoresponses using in vitro stretching apparatus. These responses will be categorized into several groups, such as activation, proliferation, myogenic differentiation, cellular damage or apoptosis, properties of plasma membrane, transdifferentiation, reorientation, etc. In addition, detailed experimental designs like culturing conditions and straining regimens will be displayed and compared, to interpret some contradictory statements in different studies. Furthermore, the currently known interconnections among some mechanosensitive pathways will be pictured to give a better understanding about the complex regulations of myogenic cell responses to mechanical stretch. Hopefully, by summarizing the published studies about mechanoresponses of myogenic progenitor cells, future directions, and perspectives would be made clearer to researchers in this field.
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