金雀异黄素对类风湿关节炎患者成纤维样滑膜细胞骨保护素/细胞核因子κB受体活化因子/细胞核因子κB受体活化因子配体通路的影响

被引:6
作者
王燕茹 [1 ]
张育 [1 ]
沈维干 [2 ]
尚辰 [1 ]
马莹莹 [3 ]
方振玉 [1 ]
机构
[1] 扬州大学临床医学院江苏省苏北人民医院风湿免疫科
[2] 扬州大学医学院临床医学系
[3] 泰兴市人民医院风湿免疫科
关键词
金雀异黄素; 类风湿关节炎; 成纤维样滑膜细胞; 骨保护素; 细胞核因子κB受体活化因子配体; 细胞核因子κB受体活化因子;
D O I
暂无
中图分类号
R593.22 [类风湿性关节炎];
学科分类号
100201 [内科学];
摘要
目的研究金雀异黄素(genistein,Gen)对人类风湿关节炎(rheumatoid arthritis,RA)成纤维样滑膜细胞(fibroblast-like synoviocytes,FLS)骨保护素(osteoprotegerin,OPG)/细胞核因子κB受体活化因子(receptor-activator of nuclear factor kappa bata,RANK)/细胞核因子κB受体活化因子配体(receptor-activator of nuclear factor kappa bata ligand,RANKL)通路的影响及机制。方法培养人RA-FLS,并分为对照组(RA-FLS细胞)、TNF-α组(RA-FLS细胞+TNF-α10 ng/ml)、TNF-α+Gen组(RA-FLS细胞+TNF-α10 ng/ml+Gen 50μM)、Gen组(RA-FLS细胞+Gen 50μM)。应用免疫印迹检测Gen作用RA-FLS的RANK、RANKL、OPG、雌激素受体(estrogen receptorα,ERα)表达情况,免疫荧光检测ERα细胞内分布情况。结果 Gen组、TNF-α组及TNF-α+Gen组细胞内RANK蛋白表达量较对照组无明显差异(P>0.05),但OPG及RANKL蛋白表达明显高于对照组(均P<0.05)。Gen组OPG/RANKL较对照组增高(P<0.05)。Gen组、TNF-α组及TNF-α+Gen组细胞内ERα蛋白表达量与对照组比较,差异无统计学意义(P>0.05)。免疫荧光结果显示核内ERα表达量增加。结论 Gen可能通过与雌激素受体结合,转入核内发挥免疫调节作用,从而调节OPG/RANKL/RANK通路,发挥抑制骨破坏的作用。Gen可以上调人RA-FLS中OPG及RANKL,且对OPG的上调作用更强。
引用
收藏
页码:326 / 329+381 +381
页数:5
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