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. 2019 Jan 22;13:6. doi: 10.3389/fnins.2019.00006

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Copyright © 2019 Guo, Duan, Chen, Wang, Wang, Shen, Qi, Jiang, Zhu, Xi, Lü and Hu.

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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Survival of OLs in the injured spinal cord after SCI, as determined by activated caspase-3 staining. (A,B) Representative photomicrographs showing caspase-3+cells (red) co-localized with CNP+OLs (green) in the circumambience of the injured spinal cord of rats at 2 weeks post-SCI. (C,D) Quantitative analysis of OL survival showing that both the number and percentage of caspase-3+OLs were higher in rats that received PDGF-AA versus controls. Data represent the mean ± SD (n = 8). ^∗P < 0.05. Scale bar = 20 μm.