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PDX1正义表达载体的构建及表达 被引量:4

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摘要 目的亚克隆人胰十二指肠同源框-1(PDX-1)基因,构建PDX1正义表达重组质粒。方法亚克隆PDX1基因至真核表达载体pcDNA3.1,双酶切及测序鉴定。同时瞬时转染胃癌细胞株,免疫印迹法检测PDX1的过表达。结果双酶切和测序鉴定结果正确;PDX1正义表达载体转染SGC7901和TMK1细胞24 h后,PDX1蛋白表达水平显著升高。结论成功获得正义表达重组质粒pcDNA-PDX1,顺利在胃癌细胞中过表达PDX1,为进一步研究PDX1在胃癌发生发展中的作用奠定了基础。
出处 《广东医学》 CAS CSCD 北大核心 2010年第23期3030-3031,共2页 Guangdong Medical Journal
基金 国家自然科学基金资助项目(编号:81001112) 广东省自然科学基金博士启动项目(编号:9451008004002824)
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