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# Alpha memo: exercise resveratrol muscle context boundary
**One-sentence alpha:** In old type 2 diabetic rats, periodic exercise with resveratrol supplementation suggests a biological signal on PGC-1α and PDK4 gene expression in gastrocnemius muscle, but the same combination in obese mice shows no additive effect on body weight loss and a null on intramyocellular lipid content, hinting a context-…