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重组人白介素一2痘苗病毒对MKN45胃癌细胞感染性及白介素-2蛋白表达

郜恒骏,朱红音,童菊芳,顾伟齐,任卫平,萧树东

Chinese Journal of Digestion（2001）

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Abstract
目的体外研究表达人白介素-2(hIL-2)的重组痘苗病毒(vaccinia virus,W)对MKN45胃癌细胞的作用.方法应用分子病毒学同源重组技术构建能表达hIL-2的重组VV(VMJ601hIL-2).用DNA杂交技术鉴定VMJ601hIL-2,并用聚丙烯酰胺凝胶电泳(SDS-PAGE)检测VMJ601hIL-2基因产物.用VMJ601hIL-2体外感染MKN45胃癌细胞株,探讨其对体外胃癌细胞的作用.结果VMJ601hIL-2对体外MKN45胃癌细胞株有较强的感染性,VMJ601hIL-2感染的MKN45胃癌细胞能分泌具有生物活性的hIL-2蛋白.结论 VMJ601hIL-2的构建与鉴定,进一步为胃癌的免疫基因治疗打下了坚实的基础.
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Key words
recombinant vaccinia virus,gastric cancer cells,gastric cancer,mkn45
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