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Whole heart (A) phosphorylation of Akt Ser473 (pSer473 Akt), (B) Akt (top band) and tubulin (lower band) protein abundance, and (C) pSer473 Akt normalized to Akt, in adult 24‐week‐old rats. Western blots are representative from one rat from each treatment group that was run on the same gel. Values are mean ± SEM; n = 8 for all groups. Early exercise (Early Ex) and later exercise (Later Ex). + P < 0.05 versus Later Ex (Bonferroni comparisons of main effects).
