Background and Objective: Regeneration is an essential function of the human body. Cardiomyocytes are thought to be terminally differentiated cells for their inability to regenerate and replace damaged myocardium. However, recent researches show that even in normal physiological situations, there exists the death of cardiomyocytes in hearts. When myocardial infarction happens, besides the acute death of cells caused by the lack of blood and oxygen and the exhaustion of energy metabolism, there exists apopto...