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IL-19及其相关因子在大鼠自身免疫性心肌炎各时程的表达特征
Authors
吴梁安
吴韦因
+3 more
常贺
李刚
王焱
Publication date
1 January 2012
Publisher
Abstract
目的探讨IL-19及其相关因子在大鼠实验性自身免疫性心肌炎(EAM)急慢性期各时程的表达特征。方法建立大鼠EAM模型;病理学评估EAM急慢性期(normal、3w、3m、6m)心肌损伤程度;应用实时荧光定量RT-PCR检测IL-19及其两条受体链IL-20R1/IL-20R2,IL-20在EAM大鼠各脏器(心、肝、脾、肾)以及在心肌组织各时程(normal、3w、3m、6m)的mRNA表达;进一步应用ELISA法检测IL-19和IL-20在EAM各时程心脏组织匀浆中的蛋白表达。结果在EAM大鼠急性期3周时IL-19、IL-20与IL-20R2主要在心脏表达,IL-20R1主要在肾脏表达;在EAM大鼠慢性期3个月时IL-19主要在脾脏表达,IL-20主要在肝脏及脾脏表达,IL-20R1主要在肾脏表达,IL-20R2主要在心脏表达;IL-19及其两条受体链IL-20R1/R2在EAM大鼠心肌组织的表达高峰均出现在急性期3周,随后逐渐减少,在慢性期(3m、6m)已基本接近正常水平;而IL-20在EAM大鼠心肌组织的表达高峰在慢性期3个月,IL-19和IL-20心肌组织的蛋白水平与基因表达呈现一致性。结论 IL-19及其相关因子参与EAM的发病进程,IL-19主要在EAM急性期炎症反应的过程中发挥重要作用
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Last time updated on 16/06/2016