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本文采用RT-PCR技术从LPS刺激后的小鼠腹腔巨噬细胞,扩增小鼠IL-6cDNA,并克隆构建pGEM-3Zf(+)IL-6质粒,继将小鼠所得cDNA克隆到pVL1392载体上,利用杆状病毒AcNPV表达系统在Sf9中进行瞬间表达,用IL-6依赖细胞株MH60·BSF2检测其表达活性,结果表明,感染后48h后就具有明显IL-6表达,由此可见,利用该系统可成功地表达小鼠IL-6基因。
In this study, murine peritoneal macrophages stimulated by LPS were amplified by RT-PCR from mouse peritoneal macrophages. The mouse IL-6 cDNA was amplified and cloned to construct pGEM-3Zf (+) IL-6 plasmid. The resulting cDNA was cloned into pVL1392 vector The expression of AcNPV was detected in Sf9 cells by transient expression method. The expression of AcNPV was detected in Sf9 cells. The expression of IL-6 was detected by IL-6-dependent cell line MH60 · BSF2. The results showed that IL- The system can be successfully used to express mouse IL-6 gene.