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Expression levels of cleaved caspase-3 in heart tissue of each group. (A) Western blotting of cleaved caspase-3. β-actin was used as a loading control. (B) Average quantification obtained by densitometric analysis of the results of western blot analysis. Data are presented as the mean ± standard error of the mean from at least four independent experiments. §§P<0.01 vs. I/R group; +P<0.05 vs. DEX20 group. I/R, ischemia/reperfusion; DEX, dexmedetomidine; Wort, wortmannin.
