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Int. J. Mol. Sci. 2017, 18(12), 2656;

Icariin Regulates Cellular Functions and Gene Expression of Osteoarthritis Patient-Derived Human Fibroblast-Like Synoviocytes

Department of Basic Medicine, Chongqing Three Gorges Medical College, Chongqing 404000, China
Digital Medicine Institute, Biomedical Engineering College, Third Military Medical University, Chongqing 400038, China
National Innovation and Attracting Talents “111” Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
Author to whom correspondence should be addressed.
Received: 6 November 2017 / Revised: 28 November 2017 / Accepted: 4 December 2017 / Published: 8 December 2017
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Synovial inflammation plays an important role in the pathogenesis and progress of osteoarthritis (OA). There is an urgent need to find safe and effective drugs that can reduce the inflammation and regulate the pathogenesis of cytokines of the OA disease. Here, we investigated the effect of icariin, the major pharmacological active component of herb Epimedium on human osteoarthritis fibroblast-like synoviocytes (OA–FLSs). The OA–FLSs were isolated from patients with osteoarthritis and cultured in vitro with different concentrations of icariin. Then, cell viability, proliferation, and migration were investigated; MMP14, GRP78, and IL-1β gene expression levels were detected via qRT-PCR. Icariin showed low cytotoxicity to OA–FLSs at a concentration of under 10 μM and decreased the proliferation of the cells at concentrations of 1 and 10 μM. Icariin inhibited cell migration with concentrations ranging from 0.1 to 1 μM. Also, the expression of three cytokines for the pathogenesis of OA which include IL-1β, MMP14 and GRP78 was decreased by the various concentrations of icariin. These preliminary results imply that icariin might be an effective compound for the treatment of OA disease. View Full-Text
Keywords: icariin; osteoarthritis; OA–FLSs; anti-inflammation; MMP14; GRP78 icariin; osteoarthritis; OA–FLSs; anti-inflammation; MMP14; GRP78

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Pan, L.; Zhang, Y.; Chen, N.; Yang, L. Icariin Regulates Cellular Functions and Gene Expression of Osteoarthritis Patient-Derived Human Fibroblast-Like Synoviocytes. Int. J. Mol. Sci. 2017, 18, 2656.

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