摘要:目的研究观察自行构建的siRNA表达载体对柯萨奇病毒B3(CVB3)感染的潜在治疗作用。方法以CVB3聚合酶编码区基因序列为靶点,构建发夹型siRNA真核表达载体pGCsi—U6/GFP/P及与CVB基因组序列无关的阴性对照pGCsi—U6/GFP/N。利用脂质体转染进入Hela细胞后,用CVB3毒株进行攻击,观察感染后Hela细胞病变情况,并用RT—PCR法检测细胞培养上清中的CVB3负链RNA水平。结果构建的表达质粒pGCsi—U6/GFP/P在Hela细胞能够正确表达,其表达产物能够使CVB3基因沉默,并间接抑制了CVB3的复制。结论本实验成功构建了能够抑制CVB3的发夹状siRNA表达质粒,该质粒具有增强细胞抗CVB3感染的能力。
注:因版权方要求,不能公开全文,如需全文,请咨询杂志社
热门期刊服务
China Foundry Research in Astronomy and Astrophysics Neural Regeneration Research Journal of Semiconductors Frontiers of Information Technology Electronic Engineering Journal of Environmental Sciences Progress in Natural Science:Materials International China Petroleum Processing Petrochemical Technology Control Theory and Technology Journal of Harbin Institute of Technology Earthquake Engineering and Engineering Vibration Hepatobiliary Pancreatic Diseases International