, Volume 3, Issue 3, pp 219-228

Cell death and diabetic cardiomyopathy

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Myocardial cell death is a key element in the pathogenesis and progression of various etiological cardiomyopathies such as ischemia-reperfusion, toxic exposure, and various chronic diseases including myocardial infarction, atherosclerosis, and endothelial dysfunction. Myocardial cell death is also observed in the hearts of diabetic patients and antimal models; however, its importance in the development of diabetic cardiomyopathy is not completely understood. The goal of this review is to summarize our current understanding of the characteristics of diabetes-induced myocardial cell death. In the search of themechanisms by which diabetes induces myocardial cell death, multiple cell death pathways have been proposed. Reactive oxygen and nitrogen species accumulation plays a critical role in the cell death by antioxidants or inhibitors for apoptosis-specific signaling pathways results in a significant prevention of diabetic cardiotoxicity, suggesting that cell death in diabetic subjects plays an important role in the development of diabetic cardiomyopathy.