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1Role of NLRP3 and NLRP1 inflammasomes signaling pathways in pathogenesis of rheumatoid arthritis显示文摘Objective:To investigate the role of NLRP3 and NLRP1 inflammasomes signaling pathways in rheumatoid arthritis(RA).Methods:A total of 36 patients with RA were selected,peripheral blood mononuclear cell(PBMC)and granulocyte were separated from venous blood.RT-qPCR method was used to detect the expression level and diversity of NLRP3 and NLRP1 in PBMC and granulocyte mRNA in patieuts with RA.and detect the mRNA expression of downstream factor IL-1β.The correlation between RA and the expression of NLRP3 aud NLRP1 was analyzed.Normal 30 cases were set as control group.Results:Expression levels of NLRP1.and caspase-1mRNA in PBMC of RA group were significautly lower than those of control group(P<0.05).while there was no significant differeuee in expression levels of NLRP3,ASC.IL-1βmRNA between these two groups(P>0.05);NLRP3,caspase-1,and ASC mRNA expression in granulocyte of RA patients were significantly lower than those in control group(P<0.05).There was no currelation between rheumatoid factor and expression levels of NLRP3.ASC.caspase-1 mRNA in RA group(P>0.05);NLRP1,IL-1βmRNA expression level had a negative corrlation with anti-rheunatoid factor antibody(P=0.0332,0.0340).Conclusions:NLRP3 and NLRP1 inflammasomes signaling pathways are involved in RA inflammatory reaction process as protective factors,and play an important role in RA inflammatory mechanisms.Tao Wang Chang-Liang Zhu Shuai Wang Li-Wen Mo Guo-Dong Yang Jun Hu Fan Zhang 2014Asian Pacific Journal of Tropical Medicine2014,7,10:11
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