期刊
CLINICAL IMMUNOLOGY
卷 197, 期 -, 页码 154-160出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2018.09.007
关键词
Rheumatoid arthritis; NLRP3 inflammasome; Th17 cells; ROS
类别
资金
- National Natural Science Foundation of China [81560268]
Rheumatoid arthritis (RA) is one of the most common autoimmune diseases. Th17 has been shown to play am important role in the pathogenesis of RA. Accumulating data suggest the involvement of NLRP3 inflammasome in Th17 differentiation in autoimmune diseases. In the current study, we found that NLRP3 inflammasome is activated in CD4 T cells from RA patients. The activation of NLRP3 inflammasome was correlated with disease activities and IL-17A concentration in RA sera. Knockdown of NLRP3 suppressed Th17 differentiation. In addition, caspase-1 or IL-1 receptor inhibitor inhibits Th17 differentiation significantly. Further, ROS production is increased in CD4 T cells from RA patients. The inhibition of ROS production decreased NLRP3 inflammasome activation and IL-1 beta production in CD4 T cells, leading to the suppression of Th17 differentiation. These findings suggest a pathogenic role of NLRP3 inflammasome in RA by promoting Th17 cell differentiation. NLRP3 inflammasome could be a potential therapeutic target for the treatment of RA.
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