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新趋化因子VCC-1小干扰RNA真核表达载体的构建及鉴定 被引量:3

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摘要 目的构建对VCC-1基因有特异性抑制作用的小干扰RNA(siRNA)表达载体。方法根据VCC-1 mRNA序列,按照siRNA设计原则设计4条特异性的寡核苷酸序列及阴性对照,分别克隆到pGPU6/GFP/Neo载体中。酶切鉴定和测序验证阳性克隆。用脂质体转染SMMC7721细胞,以RT-PCR分析其对VCC-1 mRNA表达的影响。结果经酶切、测序鉴定均证实重组质粒构建成功。pGPU6/GFP/Neo-siRNA、B、C、D载体均能抑制SMMC7721细胞VCC-1基因mRNA的表达,其中重组质粒C抑制作用最强。结论成功构建了靶向人VCC-1的小干扰RNA表达载体,为进一步研究VCC-1的功能奠定了基础。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2009年第4期734-736,共3页 Journal of Sichuan University(Medical Sciences)
基金 国家高技术研究发展计划(863)资助项目(2006AA02A311)资助
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