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Article Publish Status: FREE
Abstract Title:

Genistein inhibits angiogenesis developed during rheumatoid arthritis through the IL-6/JAK2/STAT3/VEGF signalling pathway.

Abstract Source:

J Orthop Translat. 2020 May ;22:92-100. Epub 2019 Aug 23. PMID: 32440504

Abstract Author(s):

Wen-Xiang Cheng, Huan Huang, Jian-Hai Chen, Tian-Tian Zhang, Guo-Yuan Zhu, Zheng-Tan Zheng, Jie-Tao Lin, Yi-Ping Hu, Yong Zhang, Xue-Ling Bai, Yan Wang, Zhan-Wang Xu, Bing Song, Yi-Ying Mao, Fei Yang, Peng Zhang

Article Affiliation:

Wen-Xiang Cheng

Abstract:

Background: Angiogenesis plays an important role in the development of rheumatoid arthritis (RA), which increases the supply of nutrients, cytokines, and inflammatory cells to the synovial membrane. Genistein (GEN), a soy-derived isoflavone, has been validated that can effectively inhibit the angiogenesis of several tumours. We thus carried out a study in vitro to investigate the effect of GEN in vascular endothelial growth factor (VEGF) expression and angiogenesis induced by the inflammatory environment of RA.

Methods: MH7A cells were used to verify whether GEN can inhibit the expression of VEGF in MH7A cells under inflammatory conditions and demonstrate the mechanism. EA.hy926 ​cells were used to verify whether GEN can inhibit the migration and tube formation of vascular endothelial cells in inflammatory environment.

Results: GEN dose-dependently inhibited the expression and secretion of interleukin (IL)-6 and VEGF, as well as the nucleus translocation of Signal transducer and activator of transcription 3 (STAT3) in MH7A. Furthermore, GEN inhibited IL-6-induced vascular endothelial cell migration and tube formation in vitro.

Conclusion: GEN inhibits IL-6-induced VEGF expression and angiogenesis partially through the Janus kinase 2 (JAK2)/STAT3 pathway in RA, which has provided a novel insight into the antiangiogenic activity of GEN in RA.

The translational potential of this article: Our study provides scientific guidance for the clinical translational research of GEN in the RA treatment.

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