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New Insights into the Role of Exosomes in the Heart After Myocardial Infarction

Intercellular communications play a pivotal role in several cardiac pathophysiological processes. One subtype of extracellular vesicles, so-called exosomes, became known as important intercellular communication mediators in the heart. Exosomes are lipid bilayer biological nanovesicles loaded with di...

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Bibliographic Details
Published in:Journal of cardiovascular translational research 2019-02, Vol.12 (1), p.18-27
Main Authors: Li, Na, Rochette, Luc, Wu, Yongxin, Rosenblatt-Velin, Nathalie
Format: Article
Language:English
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Summary:Intercellular communications play a pivotal role in several cardiac pathophysiological processes. One subtype of extracellular vesicles, so-called exosomes, became known as important intercellular communication mediators in the heart. Exosomes are lipid bilayer biological nanovesicles loaded with diverse proteins, lipids, and mRNAs/microRNAs. All major cardiac cell types can modulate recipient cellular function via the release of exosomes. After myocardial infarction (MI), exosomes, especially those secreted by different cardiac stem cells, have been shown to confer cardioprotective effects, activate regenerative signals, and participate into cardiac repair. In this review, we rapidly recall the biology of exosomes at the beginning. Then we summarize the exosomes secreted by different myocardial cells and their function in cardiac intercellular communication. At last, we discuss the role of these vesicles in cardiac repair after MI.
ISSN:1937-5387
1937-5395
DOI:10.1007/s12265-018-9831-z