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Wnt signaling pathway in rheumatoid arthritis, with special emphasis on the different roles in synovial inflammation and bone remodeling (Review)

机译:类风湿性关节炎中的Wnt信号通路,特别强调滑膜炎症和骨重塑中的不同作用(综述)

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摘要

Rheumatoid arthritis (RA) is a chronic symmetrical autoimmune disease of unknown etiology that affects primarily the diarthrodial joints. Characteristic features of RA pathogenesis are synovial inflammation and proliferation accompanied by cartilage erosion and bone loss. Fibroblast-like synoviocytes (FLS) display an important role in the pathogenesis of RA. Several lines of evidence show that the Wnt signaling pathway significantly participates in the RA pathogenesis. The Wnt proteins are glycoproteins that bind to the Fz receptors on the cell surface, which leads to several important biological functions, such as cell differentiation, embryonic development, limb development and joint formation. Accumulated evidence has suggested that this signaling pathway plays a key role in the FLS activation, bone resorption and joint destruction during RA development. Greater knowledge of the role of the Wnt signaling pathway in RA could improve understanding of the RA pathogenesis and the differences in RA clinical presentation and prognosis. In this review, new advances of the Wnt signaling pathway in RA pathogenesis are discussed, with special emphasis on its different roles in synovial inflammation and bone remodeling. Further studies are needed to reveal the important role of the members of the Wnt signaling pathway in the RA pathogenesis and treatment.
机译:类风湿关节炎(RA)是一种病因不明的慢性对称性自身免疫性疾病,主要影响穿刺关节。 RA发病机理的特征是滑膜发炎和增生,伴有软骨侵蚀和骨质流失。成纤维样滑膜细胞(FLS)在RA的发病机制中显示重要的作用。几条证据表明,Wnt信号通路显着参与了RA的发病机理。 Wnt蛋白是与细胞表面Fz受体结合的糖蛋白,可导致几种重要的生物学功能,例如细胞分化,胚胎发育,肢体发育和关节形成。积累的证据表明,该信号通路在RA发育过程中的FLS活化,骨吸收和关节破坏中起着关键作用。对Wnt信号通路在RA中的作用的更多了解可以增进对RA发病机理以及RA临床表现和预后差异的了解。在这篇综述中,讨论了Wnt信号通路在RA发病机理中的新进展,并特别强调了其在滑膜炎症和骨骼重塑中的不同作用。需要进一步的研究来揭示Wnt信号通路成员在RA发病机理和治疗中的重要作用。

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