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REVIEW ARTICLE

Chemokines in synovial inflammation in rheumatoid arthritis: basic and clinical aspects

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Pages 93-99 | Published online: 02 Jan 2014
 

Abstract

 Rheumatoid arthritis (RA) is a chronic, multisystem autoimmune disease characterized by persistent synovitis. Since chemotactic cytokines (chemokines) may play critical roles in the recruitment of leukocytes in RA, analyses of chemokines and their receptors should provide insight into events in synovial inflammation in RA. The production of chemokines is regulated by cytokines such as tumor necrosis factor (TNF)-α produced in the inflamed joint, suggesting that the efficacy of anti-TNF-α therapy is mediated at least partly by the reduction of chemokine production. Chemokines have a role in joint inflammation not only by inducing leukocyte chemotaxis, but also by activating immune cells and angiogenesis. The pathogenesis of RA has been shown to be mediated by Th1-type T cells, because Th1-related chemokine receptors are preferentially expressed on cells in synovial fluid and synovial tissue. Accordingly, antichemokine therapy may be important as a possible new approach to therapeutic intervention in RA.

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