电针足三里穴对大鼠小肠缺血再灌注损伤后肠黏膜屏障修复的影响Effects of Electroacupuncture at Zusanli(ST36) on Mucosal Barrier Repair in Rats with Intestinal Ischemia Reperfusion Injury
耿艳霞;陈栋;鲁俊;陈明祺;张海东;周江;
摘要(Abstract):
目的研究电针足三里穴对大鼠小肠缺血再灌注(I/R)损伤后肠黏膜屏障的保护作用。方法将24只大鼠随机分为4组,即正常组、模型组、假电针组、电针组,每组各6只。于缺血30 min再灌注2 h时,分别取大鼠门静脉血和远端回肠标本,检测回肠组织病理学评分(Chiu′s),ELISA法检测血清中白细胞介素-6(IL-6)和肿瘤坏死因子-α(TNF-α)浓度,Western blot法检测肠黏膜紧密连接蛋白ZO-1浓度。从回肠灌注FITC-Dextran-4溶液30 min后,测算其在血清中的浓度,观察肠黏膜通透性的改变。结果与对照组比,I/R组和假电针组大鼠病理学Chiu′s评分和血清TNF-α、IL-6、FD4水平明显升高,ZO-1表达明显减少(P<0.05);与I/R组和假电针组比,电针足三里可降低肠黏膜损伤评分,抑制血清TNF-α、IL-6和FD4水平(P<0.05),促进ZO-1修复。结论电针足三里对大鼠小肠I/R损伤肠黏膜屏障具有保护作用。
关键词(KeyWords): 电针;缺血-再灌注损伤;足三里穴;肠屏障功能
基金项目(Foundation): 江苏省中医院院级课题(Y14015);; 江苏省中医药管理局项目(JD201501)
作者(Authors): 耿艳霞;陈栋;鲁俊;陈明祺;张海东;周江;
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