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The representative terminal deoxynucleotidyl transferase-mediated dUTP nick end-labelling (TUNEL) images of cardiomyocyte apoptosis in the myocardium (original magnification ×400) The arrows indicate apoptotic cardiomyocytes. *P<0.05 compared with myocardial infarction (MI) group; †P<0.05 compared with sham operation (sham) + hydroxychloroquine (HCQ) group; ‡P<0.05 compared with sham group. Data presented as mean ± SD
