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Results of immunohistochemical staining of the myocardium in each group of rats. (a) The myocardial tissue immunohistochemical staining; (b) positive IOD values of Bax, Bcl-2, and Caspase-3 (x ± s, n = 10). ∗, P<0.05 compared to the Sham group; P<0.05 compared to the I/R group; P<0.05 compared to the Antagomirs and EA pretreatment + Antagomirs group.
