重组腺病毒载体pDC316-hIL--24的构建及病毒滴度测定
发布时间:2018-03-23 15:58
本文选题:hIL- 切入点:重组腺病毒载体 出处:24的构建及病毒滴度测定
【摘要】:目的构建重组腺病毒载体pDC316-hIL-24,并测定病毒滴度。方法从HEK293细胞中提取mRNA,设计特异性引物,通过RT-PCR法扩增hIL-24基因全编码区序列。将测序正确的片段用BglⅡ和HindⅢ双酶切定向插入到pDC316-EGFP穿梭质粒中。构建重组穿梭质粒pDC316-EGFP-hIL-24,在脂质体介导下与腺病毒辅助大质粒pBHGlox(delta)E1,3Cre共转染293细胞,包装产生复制缺陷型重组腺病毒pDC316-hIL-24,经HEK293细胞扩增,TCID50法测定重组腺病毒滴度。结果成功构建出表达h IL-24基因的重组腺病毒载体(pDC316-hIL-24),获得了高滴度表达hIL-24基因的重组腺病毒。结论重组腺病毒表达载体(pDC315-hIL-24)的成功构建及重组腺病毒的获得有利于进一步开展肿瘤的转基因治疗研究。
[Abstract]:Objective to construct recombinant adenovirus vector pDC316-hIL-24 and determine its titer. Methods mRNAs were extracted from HEK293 cells and specific primers were designed. The whole coding region of hIL-24 gene was amplified by RT-PCR. The correct sequence was inserted into pDC316-EGFP shuttle plasmid by double enzyme digestion of Bgl 鈪,
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