青蒿素对变应性接触性皮炎小鼠Treg/Th17免疫平衡的影响

被引:20
作者
李覃 [1 ,2 ]
陈虹 [2 ,3 ]
韦娜 [3 ]
梅昕 [3 ]
那春祺 [3 ]
刘永峰 [3 ]
胡杰 [3 ]
机构
[1] 天津武警医学院免疫学教研室
[2] 天津市职业与环境危害生物标志物重点实验室
[3] 天津武警医学院生药学教研室
基金
中国博士后科学基金;
关键词
青蒿素; 免疫调节; 变应性接触性皮炎; Treg; Th17; STAT3;
D O I
暂无
中图分类号
R285 [中药药理学];
学科分类号
100806 [中药药理学];
摘要
目的探讨青蒿素(Art)在变应性接触性皮炎(ACD)中对Th17和Treg的影响及机制。方法以DNFB致敏和激发制作小鼠ACD模型,局部外涂Art进行干预,采用RT-PCR和ELISA检测Treg/Th17细胞特异性核因子及相关细胞因子的表达与含量,流式细胞术检测Treg细胞数量,West-ern blot方法检测信号转导子和转录激活子STAT3的磷酸化活性表达。结果与正常组相比,模型组IL-6、IL-17含量、ROR-γt及STAT3的活性表达明显升高,同时Foxp3表达降低。Art明显降低ROR-γt表达、下调IL-6及IL-17水平,同时增加Foxp3表达并促进Treg产生,减弱STAT3的磷酸化活性。结论 Art可能通过调节Treg/Th17免疫平衡,对DN-FB诱导的ACD小鼠发挥免疫治疗作用。
引用
收藏
页码:1240 / 1244
页数:5
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