Key result
In a mouse model of myocardial infarction, IL-10 deficiency altered EPC-derived exosome reparative effects by upregulating ILK, whereas ILK knockdown in exosomes rescued their reparative function.
Why the study?
Systemic inflammation compromises endothelial progenitor cell and exosome reparative properties on myocardial repair, but the underlying mechanism of this loss of function was obscure.
Does ILK knockdown in IL-10 knockout EPC-derived exosomes rescue their reparative dysfunction in a mouse model of myocardial infarction?
Does ILK knockdown in IL-10 knockout EPC-derived exosomes rescue their reparative dysfunction in a mouse model of myocardial infarction?
IL-10 deficiency impairs the reparative effects of EPC-derived exosomes on myocardial repair via ILK enrichment, and targeted ILK knockdown rescues this dysfunction, identifying ILK as a potential therapeutic target for exosome-based cardiac therapies.
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ILK knockdown rescues inflamed EPC exosome dysfunction in rodent MI; leaves open human translation and exosome cargo engineering.
Yue et al. (2019) studied Myocardial infarction (mouse model). ILK knockdown in IL-10 knockout EPC-derived exosomes vs. Wild-type EPC-derived exosomes / IL-10 knockout EPC-derived exosomes was evaluated on Left ventricle cardiac function, MI scar size, and post-MI neovascularization. In a mouse model of myocardial infarction, IL-10 deficiency altered EPC-derived exosome reparative effects by upregulating ILK, whereas ILK knockdown in exosomes rescued their reparative function.
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