阿托伐他汀通过ERK1/2通路抑制内皮微粒诱导的人脐静脉内皮细胞ICAM-1的表达

被引:3
作者
陆永光
符春晖
严华
黄军章
机构
[1] 钦州市第二人民医院心内科
关键词
内皮细胞微粒; 脐静脉内皮细胞; 细胞外信号调节激酶; 细胞间黏附分子-1; 阿托伐他汀;
D O I
暂无
中图分类号
R541.4 [冠状动脉(粥样)硬化性心脏病(冠心病)];
学科分类号
100201 [内科学];
摘要
目的探讨阿托伐他汀对内皮细胞微粒(EMPs)诱导人脐静脉内皮细胞(HUVECs)细胞间黏附分子-1(ICAM-1)表达的影响及其与ERKl/2信号通路的关系。方法将HUVECs分为不同浓度EMPs作用组与阿托伐他汀干预组。应用Western印迹检测磷酸化ERK1/2和ICAM-1蛋白的表达,实时荧光定量PCR(qRT-PCR)检测ICAM-1 mRNA的表达。结果 EMPs可诱导HUVECs ICAM-1 mRNA和蛋白及磷酸化ERK1/2蛋白表达增加,且具有浓度和时间依赖关系(均P<0.01);阿托伐他汀及ERK1/2特异性抑制剂PD98059显著抑制EMPs诱导的HUVECs ICAM-1 mRNA和蛋白及磷酸化ERK1/2蛋白的表达(均P<0.01)。结论阿托伐他汀通过ERK1/2信号通路抑制EMPs诱导HUVECs ICAM-1表达。
引用
收藏
页码:979 / 981
页数:3
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