NF-κB活化在IL-1β诱导的小鼠肾小球系膜细胞表达IL-6中的作用

Role of nuclear factor κB on the expression of interleukin-6 in mouse mesangial cells induced by interleukin-1β

目的 :研究NF -κB在rhIL - 1β刺激引起的体外培养的鼠肾小球系膜细胞表达IL - 6中的作用。 方法 :NF -κΒ活性检测采用电泳迁移率改变法 (EMSA) ,IL - 6mRNA表达采用逆转录 /聚合酶链反应 (RT/PR)检测 ,培养上清IL - 6蛋白含量采用ELISA检测。结果 :rhIL - 1β刺激肾小球系膜细胞时 ,在上调IL - 6蛋白和基因表达的同时亦激活NF -κB ,而且这种上调作用可被NF -κB特异性抑制剂PDTC所阻抑。结论 :IL - 1β诱导鼠肾小球系膜细胞表达IL - 6是通过NF -κB调控 ,NF

AIM: To investigate the regulatory role of nuclear factor κB (NF-κB) in the expression of interleukin-6 in mesangial cells (MC) induced by interleukin-1β.METHODS: Activation of NF-κB was measured by electrophoresis mobility shift assay (EMSA). RT/PCR and ELISA were used to detect IL-6 mRNA expression and IL-6 production, respectively.RESULTS: rhIL-1β could rapidly stimulate the activation of NF-κB in MC, and increase the expression of IL-6 mRNA and protein. PDTC, one of the inhibitor of NF-κB, could inhibit the expression of IL-6 in mRNA and protein in MC stimulated by rhIL-1β.CONCLUSION: IL-6 expression induced by IL-1β may be regulated by NF-κB in MC, NF-κB may modulate the immune-inflammatory reaction in glomerular disease.