Reprogrammed cells could be used to grow new muscles that help repair scar tissue after a heart attack, according to a preclinical study in the journal Stem Cell Reports. "Soon we will be able to repair damaged hearts with these kinds of cells as patches. We may not generate enough to generate a whole heart. But we will be able to generate cells from the same patient to treat heart disease and heart attacks," said Robert Schwartz, who was not involved in the study but who has analyzed a similar approach.

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