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. 2020 Jan 24;17:34. doi: 10.1186/s12974-020-1711-1

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© The Author(s). 2020

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Upregulation of NGF expression in DRGs after CFA treatment. a, b NGF mRNA and protein expression were all increased significantly compared with the saline-treated group (CON) after CFA injection (*P < 0.05, **P < 0.01 compared with CON group, n = 4)