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Nr4a2过表达慢病毒载体的构建及鉴定 被引量:1

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摘要 目的:构建含Nr4a2基因的绿色荧光慢病毒载体,并检测其体外表达目的基因的水平。方法:设计Nr4a2基因的引物,采用聚合酶链反应(PCR)扩增,插入经AgeⅠ/AgeⅠ酶切的GV287慢病毒载体构建GV287-Nr4a2慢病毒质粒。PCR鉴定、测序验证后,将其与pHelper1.0载体、pHelper2.0载体共同转染293T细胞(人胚肾细胞),48小时后收集含慢病毒颗粒的细胞上清液,经浓缩并测定滴度后感染293T细胞,72h后观察增强型绿色荧光蛋白(enhanced green fluorescent protein,EGFP)的表达。结果:酶切及测序鉴定证实成功构建了重组慢病毒载体GV287-Nr4a2;荧光显微镜下可见绿色荧光高度表达;Nr4a2蛋白能在293T细胞中有效表达;包装过表达慢病毒并测其浓缩滴度为2.0×108TU/ML。结论:成功构建Nr4a2慢病毒载体且在293T细胞中良好表达,为进一步转染大鼠骨髓间充质干细胞,基因治疗帕金森病奠定基础。
出处 《生物技术世界》 2014年第10期84-85,共2页 Biotech World
基金 山东省自然科学基金资助项目(Y2008C129) 潍坊医学院科技创新研究基金重点项目(K1301002)
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