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Prog Mol Biol Transl Sci. 2012;111:139-52. doi: 10.1016/B978-0-12-398459-3.00006-X.

Roles of microRNAs and myocardial cell differentiation.

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Division of Translational Research, National Hospital Organization Kyoto Medical Center, Kyoto, Japan.


As drug therapy is of limited efficacy in the treatment of heart diseases related to loss of cardiomyocytes, which have very poor division potential, regenerative medicine is expected to be a new strategy to address regenerative treatment in cardiac diseases. To achieve myocardial regeneration, elucidation of the mechanism of myocardial differentiation from stem cells is essential. Myocardial differentiation from embryonic pluripotent stem cells has been investigated worldwide, and remarkable developments such as establishment of induced pluripotent stem cells and transformation of somatic cells to cardiomyocytes have recently been made, markedly changing the strategy of regenerative medicine. At the same time, the close involvement of microRNA in the maintenance, proliferation, differentiation, and reprogramming of these stem cells has been revealed. In this report, microRNA is outlined, focusing on its role in myocardial differentiation.

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