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. 2022 Apr 18;16:882306. doi: 10.3389/fncel.2022.882306

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Copyright © 2022 Yang, Rao, Lin, Liang, Xu, Lin, Chen, Wang and Chen.

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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The functions of exosomes in SCI repair. Exosomes from different cell sources can inhibit A1 astrocyte activation and olfactory ensheathing cell apoptosis, as well as induce axonal regeneration, mediate microglia and macrophage polarization, and protect the BSCB from SCI.