期刊
DIFFERENTIATION
卷 106, 期 -, 页码 35-41出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.diff.2019.02.007
关键词
Somite; Myogenesis; Muscle hyperplasia; Myoseptal cells; Intramuscular connective tissue; Teleosts
资金
- European Community [222719 - LIFECYCLE]
- French National Research Agency [ANR 08 GENM 035 01]
Fish axial muscle consists of a series of W-shaped muscle blocks, called myomeres, that are composed primarily of multinucleated contractile muscle cells (myofibres) gathered together by an intricate network of connective tissue that transmits forces generated by myofibre contraction to the axial skeleton. This review summarises current knowledge on the successive and overlapping myogenic waves contributing to axial musculature formation and growth in fish. Additionally, this review presents recent insights into muscle connective tissue development in fish, focusing on the early formation of collagenous myosepta separating adjacent myomeres and the late formation of intramuscular connective sheaths (i.e. endomysium and perimysium) that is completed only at the fry stage when connective fibroblasts expressing collagens arise inside myomeres. Finally, this review considers the possibility that somites produce not only myogenic, chondrogenic and myoseptal progenitor cells as previously reported, but also mesenchymal cells giving rise to muscle resident fibroblasts.
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