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Effect of exercise on skeletal muscle. (A) Immunoblots of peroxisome proliferator-activated receptor gamma coactivator 1α and 1β- (PGC1α, PGC1 β) and phosphorylated Akt in skeletal muscle. (B) FGF21 mRNA expression in skeletal muscle. (C) FGF21 mRNA expression in liver. Vinculin served as the loading control (unpaired t-test; *p < 0.05; ****p < 0.0001). For more details of Western blots, please view Figure S2.
