Why the study?
The adult human heart lacks regenerative capacity after myocardial infarction, motivating the search for novel ways to reprogram cardiomyocytes into a regenerative state via epicardial extracellular vesicle signaling.
Does administration of epicardial EVs or their conserved miRNA cargo promote cardiomyocyte proliferation and regeneration in models of myocardial injury?
Population
In vitro and in vivo models including mouse cardiomyocytes, infarcted neonatal hearts, and engineered human myocardium
Comparison
Epicardial extracellular vesicles or cargo microRNAs vs controls
Design
Preclinical in vitro and in vivo experimental study
Authors
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Animal data on epicardial cardiomyocyte reprogramming post-MI remain hypothesis-generating; leaves open human translation.
Does administration of epicardial EVs or their conserved miRNA cargo promote cardiomyocyte proliferation and regeneration in models of myocardial injury?
Epicardial extracellular vesicles and their conserved miRNA cargo promote cardiomyocyte proliferation and improve contractile function in preclinical models of myocardial injury, suggesting a potential regenerative therapy.
Campo et al. (2021) studied this question.
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