Myocardial infarct size, blood gas variables, hemodynamic and epicardial electrocardiogram, and serum levels of creatine kinase MB (CK-MB), lactate dehydrogenase (LDH), malondialdehyde (MDA), and superoxide dismutase (SOD), parameters were measured during the experiment. The gene discussed is SOD1; the disease is myocardial infarction.