• Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;
PEI Fuxing, Email: peifuxing@vip.163.com
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Objective To review and summarize the role and progress of innate immunity in the pathogenesis of osteoarthritis (OA).Methods The domestic and foreign literature in recent years was reviewed. The role of innate immune-mediated inflammation, macrophages, T cells, and complement systems in the pathogenesis of OA, potential therapeutic targets, and the latest research progress were summarized.Results With the deepening of research, OA is gradually considered as a low-grade inflammation, in which innate immunity plays an important role. The polarization of synovial macrophage subpopulation in OA has been studied extensively. Current data shows that the failure of transformation from M1 subtype to M2 subtype is a key link in the progression of OA. T cells and complement system are also involved in the pathological process of OA.Conclusion At present, the role of innate immunity in the progress of OA has been played in the spotlight, whereas the specific mechanism has not been clear. The macrophage subtype polarization is a potential therapeutic target for early prevention and treatment of OA.

Citation: XIE Jinwei, HUANG Zeyu, PEI Fuxing. Role and progress of innate immunity in pathogenesis of osteoarthritis. Chinese Journal of Reparative and Reconstructive Surgery, 2019, 33(3): 370-376. doi: 10.7507/1002-1892.201810068 Copy

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