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. 2018 Feb 12;9(2):212. doi: 10.1038/s41419-017-0217-y

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a CCK-8 assays of chondrocytes treated with various concentrations of liraglutide for 24 h as shown above. b CCK-8 assays of liragltide-pretreated chondrocytes stimulated by IL-1β. c Chondrocytes were pretreated with liraglutide and then IL-1β and imaged by phase-contrast microscopy (20×). d–g Representative western blots and quantification data of Bax, Bcl-2 and cleaved-caspase 3 in each group. Columns represent mean ± SD, Significant differences between the treatment and control groups are indicated as *P < 0.05, **P < 0.01, ***P < 0.001, n = 5