目的 观察氧化苦参碱(oxymatrine,OMT)对Ⅱ型胶原蛋白诱导的关节炎(collagen induced arthritis,CIA)大鼠关节炎症及T细胞亚群的影响。方法 将SD大鼠分为6组,正常对照组,模型对照组,雷公藤多苷片组以及OMT高、中、低剂量组,除正常对照组,其他5组建立大鼠胶原蛋白诱导的关节炎模型,自加强免疫后第1天分别灌胃给药4周,末次给药后取血,流式细胞仪检测T细胞亚群,ELISA法检测肿瘤坏死因子(TNF)-α、白细胞介素(IL)-1β;取关节滑膜4%多聚甲醛固定,观察滑膜病理改变情况。结果 与模型组相比,OMT能降低关节炎指数评分(P<0.05),降低CD4+T细胞水平(P<0.05),升高CD8+T细胞水平 (P<0.05),CD4+/CD8+比值降低(P<0.05),使促炎细胞因子TNF-α、IL-1β水平下调(P<0.01)。形态学观察OMT对滑膜细胞增殖有显著抑制作用。结论 OMT通过调节T细胞及细胞因子水平而发挥对类风湿性关节炎的治疗作用。
关键词
氧化苦参碱 /
类风湿性关节炎 /
T淋巴细胞亚群 /
细胞因子
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Key words
oxymatrine /
rheumatoid arthritis /
T cell subsets /
cytokine
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参考文献
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脚注
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基金
宁夏回族自治区科技攻关项目(2009年)
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