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. 2022 Jul 7;15:859349. doi: 10.3389/fnmol.2022.859349

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Copyright © 2022 Li, Cheng, Yu, Zhang, Yu, Ding and He.

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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Localization and expression of activin A in N-Fbs in vitro and rat sciatic nerve injury model in vivo. (A) Immunofluorescence for activin A and fibroblast marker CD90 in purified N-Fbs. Scale bar, 100 μm. (B) Immunofluorescence for activin A and SC marker S100 in purified SCs. Scale bar, 100 μm. Expression of activin A in rat sciatic nerve injury model in vivo. (C–E) Immunofluorescence images of activin A (D) and CD90 (E) in sciatic nerve, proximal to distal. Scale bar, 1000 μm. (F–H) Magnified images of the regions demarcated by white boxes in (C). Scale bar, 100 μm.