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核因子-κB在脂多糖诱导的大鼠胰腺腺泡细胞AR42J炎性效应中的作用
Authors
刘学进
林振河
+3 more
谢文瑞
陈垦
龙友明
Publication date
20 August 2006
Publisher
Abstract
目的探讨核因子-κB(NF-κB)在急性胰腺炎体外模型中的作用。方法以10 mg/L脂多糖刺激AR42J细胞构建急性胰腺炎的体外模型,设2 h、6 h、12 h、18 h和24 h共5个时间点,每时间点设3个复孔,逆转录-多聚酶链反应(RT-PCR)半定量法观察细胞间黏附分子-1(ICAM-1)和NF-κB p65亚单位mRNA表达的改变;链酶亲和素-生物素-过氧化物酶复合物法(SABC)检测p65蛋白在AR42J细胞中的表达;人工碘比色法观察培养液上清中淀粉酶的改变。结果脂多糖刺激后,AR42J细胞以时间依赖方式上调ICAM-1 mRNA和p65 mRNA的表达,24 h达最高值;二者之间具有直线相关性(P0.05)。结论在脂多糖诱导的胰腺腺泡细胞AR42J炎性效应中,NF-κB调控致炎细胞因子ICAM-1的表达
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Last time updated on 16/06/2016