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重组PCA13-hBMP2质粒构建Ad5-hBMP2腺病毒载体

Construction of Ad5-hBMP2 adenovirus vector by recombination of PCA13-hBMP2 plasmid
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摘要 目的:通过重组PCA13-hBMP2质粒构建Ad5-hBMP2腺病毒载体,并将其扩增纯化。方法:通过PCR技术获得hBMP2基因,酶切PCA13-MCMV质粒,连接PCA13-MCMV/EcoRⅠ+HindⅢ与hBMP2,获得PCA13-hBMP2质粒。将质粒PCA13-hBMP2与含有5型腺病毒右臂的质粒pBHGE3通过脂质体共转染至293细胞,提取腺病毒DNA,应用PCR、双酶切进行鉴定,扩增Ad5-hBMP2腺病毒载体,测定病毒滴度。Adv-hBMP2转染大鼠骨髓基质干细胞(BMSCs),测定不同时间hBMP2蛋白表达量。结果:成功构建PCA13-hBMP2质粒,通过同源重组成功获得Ad5-hBMP2腺病毒载体,扩增后测得病毒滴度为1.669×1010pfu.mL-1。Adv-hBMP2转染大鼠BMSCs后hBMP2蛋白表达量随时间延长明显增加(P<0.01)。结论:获得可表达hBMP-2的Ad5-hBMP2腺病毒载体,为基因辅助的骨组织工程技术提供安全有效的转基因载体。
出处 《吉林大学学报(医学版)》 CAS CSCD 北大核心 2007年第2期362-365,共4页 Journal of Jilin University:Medicine Edition
基金 国家自然科学基金资助课题(39800151)
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参考文献10

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