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A study examined the injection of insulin-like growth factor I (IGF-I) in different muscle fibers

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[DOI] [PMC free article] [PubMed] [Google Scholar] 15.Sadhu SS, Callegari E, Zhao Y, Guan X, Seefeldt T

This effect extends to ligament and skin repair, where IGF-1 activation supports fibroblast proliferation and extracellular matrix remodeling processes essential for tissue resilience

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