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Abstract Title:

Sesamin inhibits IL-1β-stimulated inflammatory response in human osteoarthritis chondrocytes by activating Nrf2 signaling pathway.

Abstract Source:

Oncotarget. 2016 Dec 13 ;7(50):83720-83726. PMID: 27863411

Abstract Author(s):

Pengyu Kong, Guanghua Chen, Anlong Jiang, Yufu Wang, Chengchao Song, Jinpeng Zhuang, Chunyang Xi, Guangxi Wang, Ye Ji, Jinglong Yan

Article Affiliation:

Pengyu Kong

Abstract:

Sesamin, a bioactive component extracted from sesame, has been reported to exert anti-inflammatory and anti-oxidant effects. In this study, we evaluated the anti-inflammatory effects of sesamin on IL-1β-stimulated human osteoarthritis chondrocytes and investigated the possible mechanism. Results demonstrated that sesamin treatment significantly inhibited PGE2 and NO production induced by IL-1β. Sesamin inhibited MMP1, MMP3, and MMP13 production in IL-1β-stimulated chondrocytes. Sesamin also inhibited IL-1β-induced phosphorylation of NF-κB p65 and IκBα. Meanwhile, sesamin was found to up-regulate the expression of Nrf2 and HO-1. However, Nrf2 siRNA reversed the anti-inflammatory effects of sesamin. In conclusion, our results suggested that sesamin showed anti-inflammatory effects in IL-1β-stimulated chondrocytes by activating Nrf2 signaling pathway.

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Sayer Ji
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