防风对PI-IBS模型大鼠肠道菌群及丝氨酸蛋白酶信号的影响

被引:68
作者
齐绍云 [1 ]
蔡洁毅 [2 ]
周龙艳 [1 ]
杨婷婷 [1 ]
黎明 [1 ]
谭许朋 [1 ]
韩彬 [1 ]
胡旭光 [1 ]
机构
[1] 广东药学院中药学院
[2] 广东药学院附属第一医院
基金
广东省科技计划;
关键词
肠易激综合征; 防风; 丝氨酸蛋白酶; 蛋白酶激活受体2;
D O I
暂无
中图分类号
R285.5 [中药实验药理]; R-332 [医用实验动物学];
学科分类号
100402 [劳动卫生与环境卫生学]; 100806 [中药药理学];
摘要
目的探讨中药防风对感染后肠易激综合征(PI-IBS)大鼠模型肠道菌群及丝氨酸蛋白酶信号的影响。方法采用弯曲杆菌灌胃法复制PI-IBS大鼠模型,评价防风止痛、止泻的效应及对肠道菌群、粪便丝氨酸蛋白酶活性,结肠蛋白酶激活受体2(PAR-2)mRNA及紧密连接ZO-1蛋白表达的影响。结果防风可升高PI-IBS大鼠的内脏痛觉高敏感性压力阈值,减少大鼠排稀便次数(P<0.05,P<0.01);防风可调节肠道菌群,显著降低粪便丝氨酸蛋白酶活性,抑制大鼠结肠黏膜PAR-2 mRNA基因表达及增加紧密连接ZO-1蛋白表达。结论防风具有显著的止痛、止泻效应,调节菌群和抑制肠道丝氨酸蛋白酶信号是其可能的作用机制。
引用
收藏
页码:790 / 796
页数:7
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