Early satellite cell communication creates a permissive environment for long-term muscle growth.

Early satellite cell communication creates a permissive environment for long-term muscle growth.
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早期的卫星细胞通信为长期肌肉生长创造了宽松的环境。

DOI:
10.1016/j.isci.2021.102372
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发表时间:
2021-04-23
期刊:
影响因子:
5.8
通讯作者:
Peterson CA
Peterson CA
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Murach KA;Peck BD;Policastro RA;Vechetti IJ;Van Pelt DW;Dungan CM;Denes LT;Fu X;Brightwell CR;Zentner GE;Dupont-Versteegden EE;Richards CI;Smith JJ;Fry CS;McCarthy JJ;Peterson CA

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Using in vivo muscle stem cell (satellite cell)-specific extracellular vesicle (EV) tracking, satellite cell depletion, in vitro cell culture, and single-cell RNA sequencing, we show satellite cells communicate with other cells in skeletal muscle during mechanical overload. Early satellite cell EV communication primes the muscle milieu for proper long-term extracellular matrix (ECM) deposition and is sufficient to support sustained hypertrophy in adult mice, even in the absence of fusion to muscle fibers. Satellite cells modulate chemokine gene expression across cell types within the first few days of loading, and EV delivery of miR-206 to fibrogenic cells represses Wisp1 expression required for appropriate ECM remodeling. Late-stage communication from myogenic cells during loading is widespread but may be targeted toward endothelial cells. Satellite cells coordinate adaptation by influencing the phenotype of recipient cells, which extends our understanding of their role in muscle adaptation beyond regeneration and myonuclear donation. Widespread myogenic cell communication in muscle during mechanical overload (MOV) Extracellular vesicles from myogenic progenitors repress Wisp1 in fibrogenic cells Fibrogenic fate and chemokines are influenced by satellite cells early during MOV Prior to fusion, satellite cell communication regulates long-term hypertrophy Cell Biology; Functional Aspects of Cell Biology
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