When the heart is injured, the muscle does not regenerate and scars are produced. This process can be attenuated in the hearts of live mice by forcing scar-forming cells to become muscle cells. See Articles p.593 & p.599
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Palpant, N., Murry, C. Reprogramming the injured heart. Nature 485, 585–586 (2012). https://doi.org/10.1038/485585a
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DOI: https://doi.org/10.1038/485585a
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