Key result
CPC-secreted exosomes reduced scar size and improved ventricular function in rats more efficiently than BMC-secreted exosomes, mediated by PAPP-A-dependent IGF-1 release.
Why the study?
Do CPC-secreted exosomes provide greater cardioprotection than BMC-secreted exosomes in models of myocardial infarction?
Population
In vitro cardiomyocytes and in vivo rat models of permanent coronary occlusion and ischaemia/reperfusion…
Comparison
Cardiac progenitor cell (CPC)-secreted exosomes vs Bone marrow-derived mesenchymal stem/progenitor…
Design
Preclinical
Authors
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Hypothesis-generating for CPC-exosome therapy in MI; leaves open translation to human cell-free applications.
Do CPC-secreted exosomes provide greater cardioprotection than BMC-secreted exosomes in models of myocardial infarction?
CPC-secreted exosomes offer superior cardioprotection compared to BMC-secreted exosomes via PAPP-A-mediated IGF-1 release, highlighting a potential mechanism for cell-free therapy in myocardial infarction.
Barile et al. (2018) studied aortic valve disease and/or coronary artery disease (n=20). CPC-secreted exosomes vs. BMC-secreted exosomes was evaluated on Cardiomyocyte apoptosis, scar size, and ventricular function. CPC-secreted exosomes reduced scar size and improved ventricular function in rats more efficiently than BMC-secreted exosomes, mediated by PAPP-A-dependent IGF-1 release.
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