蒙花苷对脂多糖诱导的血管内皮细胞炎症损伤的影响

被引:23
作者
许韩婷 [1 ]
苏洁 [1 ]
吴亚军 [1 ]
陈素红 [2 ,1 ]
吕圭源 [1 ]
机构
[1] 浙江中医药大学
[2] 浙江工业大学
关键词
蒙花苷; 人脐静脉内皮细胞; 脂多糖; 炎症损伤;
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:在体外细胞水平上模拟血管内皮炎症损伤,探讨蒙花苷对血管内皮细胞炎症损伤的保护作用及其机制。方法:采用脂多糖(LPS)刺激人脐静脉内皮细胞(EA.hy926),加入不同浓度的蒙花苷处理,DAPI染色法测定EA.hy926与单核细胞(THP-1)的黏附能力,ELISA法检测细胞上清液中肿瘤坏死因子(TNF-α)和白介素-1(IL-1)水平,Western blot法检测细胞中p38、JNK、ERK1/2、p-p38、p-JNK、p-ERK1/2、核因子-κB(NF-κB)和细胞间黏附分子-1(ICAM-1)的蛋白表达。结果:蒙花苷(5、10、20mol/L)可显著抑制LPS诱导的EA.hy926与THP-1的细胞间黏附作用,减少EA.hy926分泌的炎性因子TNF-α和IL-1水平,降低细胞中JNK、ERK1/2、p-p38、p-JNK、p-ERK1/2、NF-κB和ICAM-1的蛋白表达。结论:蒙花苷可通过抑制NF-κB及其相关信号通路的活化来减少炎性黏附和炎性因子分泌,从而缓解LPS引起的血管内皮细胞炎症损伤。
引用
收藏
页码:29 / 32
页数:4
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