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. 2016 May 21;18:117. doi: 10.1186/s13075-016-1012-3

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© Zamudio-Cuevas et al. 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. 3 — Nitric oxide (NO) production in synoviocytes. a Detection of NO in untreated fibroblast-like synoviocytes (FLS). b FLS treated with monosodium urate (MSU) crystals. c FLS treated with H₂O₂. Arrows indicate fluorescence produced by intracellular NO. d Bars show NO quantification by Tali image-based cytometer. Values are expressed as the mean ± standard deviation; *P < 0.05 vs control