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辛伐他汀对人脐静脉内皮细胞黏附分子及NF-κB通路表达的影响 被引量:1

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摘要 目的探讨辛伐他汀对脂多糖(LPS)诱导的人脐静脉内皮(HUVEC)损伤的保护作用及机制。方法体外培养原代HUVEC,将细胞分为3组:空白组、LPS组及辛伐他汀组。空白组无任何处理,LPS组用LPS刺激,辛伐他汀组先用辛伐他汀(处理浓度也分别为5、25、50μmol/L)处理24h,然后再用LPS处理。用荧光定量PCR的方法测定血管细胞黏附分子-1(VCAM-1)、细胞间黏附分子(ICAM-1)和E选择素(E-Selectin)的mRNA表达,用免疫印迹的方法测定VCAM-1及磷酸化p-105(p-p105)的蛋白表达。结果 LPS对HUVEC有明显的损伤作用,导致VCAM-1、ICAM-1及E-Selectin表达显著上升。辛伐他汀可以明显减弱LPS对HUVEC的损伤作用,且效果呈剂量相关性。结论辛伐他汀通过NF-κB途径减弱LPS对HUVEC的损伤,起到保护内皮细胞的作用。
出处 《重庆医学》 CAS 北大核心 2017年第2期243-245,共3页 Chongqing medicine
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