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Review
. 2024:158:221-238.
doi: 10.1016/bs.ctdb.2024.01.010. Epub 2024 Feb 15.

Muscle stem cells as immunomodulator during regeneration

H Rex Xu  1 , Victor V Le  2 , Stephanie N Oprescu  2 , Shihuan Kuang  3
Affiliations
Review

Muscle stem cells as immunomodulator during regeneration

H Rex Xu et al. Curr Top Dev Biol. 2024.

Abstract

The skeletal muscle is well known for its remarkable ability to regenerate after injuries. The regeneration is a complex and dynamic process that involves muscle stem cells (also called muscle satellite cells, MuSCs), fibro-adipogenic progenitors (FAPs), immune cells, and other muscle-resident cell populations. The MuSCs are the myogenic cell populaiton that contribute nuclei directly to the regenerated myofibers, while the other cell types collaboratively establish a microenvironment that facilitates myogenesis of MuSCs. The myogenic process includes activation, proliferation and differentiationof MuSCs, and subsequent fusion their descendent mononuclear myocytes into multinuclear myotubes. While the contributions of FAPs and immune cells to this microenvironment have been well studied, the influence of MuSCs on other cell types remains poorly understood. This review explores recent evidence supporting the potential role of MuSCs as immunomodulators during muscle regeneration, either through cytokine production or ligand-receptor interactions.

Keywords: Cytokine; Inflammation; Microenvironment; Myoblast; Myogenesis; Satellite Cell; Stem Cell Niche.

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