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. 2016 Jul 11;16:205. doi: 10.1186/s12906-016-1183-0

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© The Author(s). 2016

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. 6 — Histology staining; H&E staining for chondrocyte cell morphology, Safranin O staining for S-GAGs in cartilage (red color) and immunohistochemistry staining for type ΙΙ collagen remaining in the cartilage (brown color) (x400). a Histology staining of cytokine(s)-induced conditions. b Histology staining of co-treatment of TNF-α and OSM induced-condition with sesamin