柴芍六君汤对肝郁脾虚型溃疡性结肠炎大鼠炎性因子的影响

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目的 评价柴芍六君汤对肝郁脾虚型溃疡性结肠炎(Ulcerative colitis,UC)大鼠炎性反应因子白细胞介素-4(interleukin 4,IL-4)、白细胞介素-10(interleukin-10,IL-10)、白细胞介素-17(interleukin 17,IL-17)和干扰素-γ(INF-γ)的影响.方法 将48只SPF级雄性大鼠随机分为正常组、模型组、柴芍六君汤组和美沙拉嗪组.采用葡聚糖硫酸钠(DSS)+束缚法+饮食失节法建立肝郁脾虚型UC大鼠模型,采用高架十字迷宫实验(Elevated plus-maze test,EPM)、旷场实验(Open field test,OFT)和新环境进食抑制实验(Novelty suppressed feeding test,NSF)对模型进行评价.正常组和模型组给予等量生理盐水灌胃,柴芍六君汤组给予柴芍六君汤灌胃,用量为20.25 g/kg;美沙拉嗪组给予美沙拉嗪灌胃,用量为0.35 kg.采用ELISA和RT-PCR检测结肠黏膜IL-4、IL-10、IL-17、INF-γ指标的表达量.结果 采用葡聚糖硫酸钠+束缚法+饮食失节法能够成功建立肝郁脾虚型UC动物模型.ELISA和RT-PCR检测结果显示,与正常组比较,模型组大鼠IL-4和IL-10含量明显降低,而IL-17和IFN-γ含量明显升高,差异有统计学意义(P<0.05);与模型组比较,柴芍六君汤组和美沙拉嗪组IL-17和IFN-γ降低趋势明显(P<0.05),而IL-4和IL-10呈现升高趋势(P<0.05).结论 葡聚糖硫酸钠+束缚法+饮食失节法能够成功建立肝郁脾虚型UC大鼠模型,柴芍六君汤能够通过调节细胞炎性因子的表达量而参与对UC的治疗作用,从而发挥对T细胞介导的炎性平衡的调节作用,减少炎性反应,改善肠道功能.
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