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Screening of genes differentially expressed in HepG2 cells transfected with HBV pre-X
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 33
- DOI:
- 10.3969/j.issn.1009-3079.2008.33.004
- Key Word:
- 乙型肝炎病毒前X基因;HepG2细胞;基因芯片;差异表达基因
Abstract： 目的:检测HBV Pre-X在真核表达栽体PcDNA3.1-myc-his-HBV pre-X转染的HepG2细胞中的表达,并筛选其中的代谢相关差异表达基因.方法:将构建的真核表达载体pcDNA3.1-mychis-HBV pre-X转染HepG2细胞后蛋白免疫印迹检测:将pcDNA3.1-myc-his-HBV pre-X和pcDNA3.1-myc-his载体分别转染HepG2细胞后,提取mRNA后逆转录为cDNA,运用基因表达谱芯片技术分析差异表达基因.结果:构建的真核表达载体经ApsI、BstXI双酶切鉴定,转染HepG2细胞后HBV pre-X表达经蛋白免疫印迹证实:经基因表达谱芯片分析发现,其中基因表达水平显著上调和下调的分别是200个和62个.结论:筛选HBV pre-X转染HepG2细胞后的代谢相关差异表达基因,从而为乙型肝炎病毒合并糖尿病、脂肪肝等代谢性疾病的分子生物学机制的研究提供了重要依据.
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