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核心蛋白聚糖在肝癌细胞HepG2中定点整合和表达系统的建立

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摘要 目的将核心蛋白聚糖(DCN)真核表达载体转染到HepG2细胞中并检测其表达。方法经大肠杆菌JM109介导DCN真核表达载体转染HepG2细胞,经博莱霉素筛选建立稳定转染的细胞株,采用RT-PCR、免疫组化检测其表达。MTT检测细胞增殖活力,流式细胞仪分析细胞周期,检测DCN表达情况。结果 RT-PCR可见转染组细胞DCN mRNA表达明显增多,免疫组化可见转染组细胞DCN蛋白表达明显增高。细胞生长曲线显示转染组细胞生长缓慢;DCN表达增高。结论本研究成功建立稳定转染DCN的HepG2细胞株,证实DCN可抑制HepG2的生长。
机构地区 北华大学
出处 《中国老年学杂志》 CAS CSCD 北大核心 2013年第3期617-618,共2页 Chinese Journal of Gerontology
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