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Disuse-induced muscle fibrosis, cellular senescence,...alleviated during re-ambulation with metformin pre-treatment, 2023, Petrocelli et al

Discussion in 'Other health news and research' started by darrellpf, Sep 17, 2023.

  1. darrellpf

    darrellpf Established Member (Voting Rights)

    "We found that metformin-treated individuals had less type-I myofiber atrophy during disuse, reduced pro-inflammatory transcriptional profiles, and lower muscle collagen deposition during recovery. Collagen content and myofiber size corresponded to reduced whole muscle cellular senescence and SASP markers. Moreover, metformin treatment reduced primary muscle resident fibro-adipogenic progenitors (FAPs) senescent markers and promoted a shift in fibroblast fate to be less myofibroblast-like. Together, these results suggest that metformin pre-treatment improved ECM remodeling after disuse in older adults by possibly altering cellular senescence and SASP in skeletal muscle and in FAPs."

    Sean, Hutan, Ash and 1 other person like this.

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