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. 2021 Sep 10;9:718803. doi: 10.3389/fcell.2021.718803

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Copyright © 2021 Chen, Wen, Wu, Jia, Zhang and Dang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Illustration of exosome structure and associated proteins and miRNAs. The figure demonstrates the steps of exosome biogenesis as well as potential biomolecules found both inside as well as on the surface of exosomes.