Unexpected effects of semaglutide on skeletal muscle mass and force-generating capacity in mice.

Karasawa, Takuya; Choi, Ran Hee; Meza, Cesar A; Rout, Subhasmita; Drummond, Micah J; Chaix, Amandine; Funai, Katsuhiko · Cell Metab · 2025

basic_science · Level V

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Abstract

Loss of lean mass is a potential concern for semaglutide-induced weight loss. This study indicates that semaglutide has unexpected effects on skeletal muscle mass and strength in mice, demonstrating a need to more carefully assess these effects in humans.

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