DPP-4抑制剂治疗小鼠溃疡性结肠炎的疗效

被引:6
作者
李海素
杨崇美
机构
[1] 山东大学附属省立医院消化内科
关键词
溃疡性结肠炎; DPP-4抑制剂; 西格列汀; 葡聚糖硫酸钠; GLP-2;
D O I
暂无
中图分类号
R574.62 [结肠疾病];
学科分类号
100201 [内科学];
摘要
目的探讨DPP-4抑制剂单独及联合SASP治疗溃疡性结肠炎(UC)小鼠的疗效。方法 30只雄性BALB/c小鼠随机平均分为5组:空白对照组、模型对照组、DPP-4抑制剂治疗组、SASP治疗组、DPP-4抑制剂和SASP联合治疗组(联合治疗组)。除空白对照组外,其他各组均用5%葡聚糖硫酸钠(DSS)诱导小鼠UC模型,空白对照组和模型对照组给予0.5%羧甲基纤维素(CMC)灌胃,DPP-4抑制剂治疗组、SASP治疗组和联合治疗组分别给予西格列汀、SASP、西格列汀和SASP两者联合灌胃治疗,1次/d,连续6 d。每天观察小鼠的临床症状,称量小鼠体质量,观察大便形状,检测大便隐血,计算疾病活动指数(DAI)。6 d后处死小鼠,分离结肠组织,测量结肠长度,进行病理组织学观察,采用ELISA法检测小鼠血清胰高血糖素样肽-2(GLP-2)水平。结果与模型对照组相比,DPP-4抑制剂治疗组、SASP治疗组和联合治疗组均明显改善UC小鼠临床症状,DAI评分显著降低(P<0.05),结肠长度明显增加(P<0.05),结肠病理损伤明显缓解;DPP-4抑制剂治疗组和联合治疗组血清GLP-2水平显著升高(P<0.01)。与DPP-4抑制剂治疗组比较,联合治疗组小鼠DAI评分显著降低(P<0.05),结肠长度明显增加(P<0.05)。结论 DPP-4抑制剂对UC小鼠有显著的治疗作用,与SASP联合用药可达到协同的效果。
引用
收藏
页码:29 / 33
页数:5
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