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NSF decreased the expression of sarcopenia-related proteins in old mice. The expression levels of sarcopenic proteins were assessed by western blotting in (A) gastrocnemius (GAS) and (B) quadriceps (QUA) muscles. (C) Serum levels of insulin-like growth factor 1 (IGF-1). Ctrl, control; YM, young mice. The comparisons were performed using one-way ANOVA followed by Tukey's post-hoc test. Distinct letters present statistically considerable differences; p < 0.05, a > b > bc > c.
