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. 2019 Oct 16;10:2346. doi: 10.3389/fimmu.2019.02346

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Copyright © 2019 Yang, Liao, Wang, He, Hu, Yuan, Wu and Sun.

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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Exosomes were purified from the supernatant of macrophages. (A) Exosomes were analyzed by negative-staining transmission electron microscopy (TEM). (B) Exosome specific markers CD63, CD9, and CD81 were detected by western blotting. (C) The size distribution profile of the exosomes was analyzed by NanoSight.