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Exercise increased the FGF21 levels in serum and muscle. (A) FGF21 level in serum by ELISA. (B) FGF21 protein levels in liver and muscle by Western Blot. (C) FGF21 content in liver and muscle by ELISA. (D) FGF21 mRNA levels in liver and muscle by qPCR. Data are shown as the means ± SEM, n = 8 per group. Significance was designated by asterisks with *p < 0.05.
