ArticleCommunications biology2026
An integrated drug repositioning analysis identifies rosiglitazone as a treatment for sarcopenia.
Article in Communications biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Age-related sarcopenia is a growing global health challenge with no approved pharmacotherapies. Here, we integrate network-based drug repurposing and Mendelian randomization to identify rosiglitazone, a PPARγ agonist used in diabetes, as a potential therapeutic candidate for sarcopenia. In aged male C57BL/6JRj murine models, rosiglitazone administration significantly improved muscle strength, mass, and endurance. Multi-omics profiling revealed its mechanism involves gut microbiota remodeling, activation of skeletal muscle Igf1 signaling, suppression of atrophy-related ubiquitin ligases (Atrogin-1/MuRF1), and modulation of protein metabolism, suggesting a coordinated "gut-muscle-metabolism" axis. Genetic analyses further support the causal role of Clostridiaceae/Clostridium in grip strength. Our findings nominate rosiglitazone as a promising intervention for sarcopenia, warranting further clinical investigation.
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