4 years ago

Programming cells for cardiac repair

Programming cells for cardiac repair
Because the heart is a poorly regenerative organ, there has been considerable interest in developing novel cell-based approaches to restore lost contractile function after myocardial infarction (MI). While a wide variety of candidate cell types have been tested in animal MI models, the vast majority of clinical trials have used adult stem cell types, usually derived from bone marrow. These studies have generally yielded disappointing results, an outcome that may reflect in part the limited cardiogenic potential of the adult stem cell sources employed. Post-MI heart failure is ultimately a disease of cardiomyocyte deficiency, so better outcomes may be possible with more cardiogenic approaches that may ‘remuscularize’ the infarct scar with new, electrically-integrated myocardium. In this review, we summarize work in the field to ‘program’ exogenous or endogenous cells into such a cardiogenic state, as well as efforts to test their capacity to mediate true heart regeneration.

Publisher URL: www.sciencedirect.com/science

DOI: S095816691730068X

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