Macrophages are required for postinjury skeletal muscle regeneration. A new study reveals that proinflammatory macrophages produce meteorin-like, which promotes muscle stem cell expansion through the Stat3–IGF1 axis and then shifts their inflammatory profile to allow return to homeostasis.

中文翻译：

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巨噬细胞来源的脂肪因子支持骨骼肌再生。

巨噬细胞是损伤后骨骼肌再生所必需的。一项新的研究表明，促炎性巨噬细胞产生类铁蛋白，从而促进肌肉干细胞通过Stat3–IGF1轴扩展，然后改变其炎性特征，使其恢复稳态。