Direct Cardiac Reprogramming　― Converting Cardiac Fibroblasts to Cardiomyocytes ―

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Cardiovascular disease is the leading cause of death and disability worldwide. Despite advances in cardiovascular therapy, mortality in heart disease still remains high. Direct cardiac reprogramming is a promising approach for cardiac tissue repair involving in situ generation of new cardiomyocytes from endogenous cardiac fibroblasts. Although, initially, the reprogramming efficiency was low, several developments in reprogramming methods have improved the in vitro cardiac reprogramming efficiency. Subsequently, in vivo cardiac reprogramming has demonstrated improvement in cardiac function and fibrosis after myocardial infarction. Here, we review recent progress in cardiac reprogramming as a new technology for cardiac regeneration.