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乙肝病毒X基因对肝癌细胞表达RhoC的影响
引用本文:郑岩松,吕新生,曾永毅,林永堃,林旭.乙肝病毒X基因对肝癌细胞表达RhoC的影响[J].中国普通外科杂志,2006,15(12):13-926.
作者姓名:郑岩松  吕新生  曾永毅  林永堃  林旭
作者单位:1. 福建医科大学附属第一医院,普通外科,福建,福州,350005;中南大学湘雅医院,普通外科,湖南,长沙,410008
2. 中南大学湘雅医院,普通外科,湖南,长沙,410008
3. 福建医科大学附属第一医院,普通外科,福建,福州,350005
4. 福建医科大学分子医学中心,福建,福州,350004
基金项目:福建省自然科学基金;福建省卫生厅青年科研项目
摘    要:目的:探讨X基因对肝癌细胞表达RhoC基因的影响。方法:用定向克隆的方法构建X基因的真核表达载体pcDNA3.1-X,脂质体转染HEPG2细胞;潮霉素选择培养稳定表达X基因的HEPG2-X细胞;免疫组化鉴定HEPG2-X细胞RhoC蛋白表达。结果:构建的真核表达载体pcDNA3.1-X在HEPG2细胞中有稳定表达,HEPG2-X细胞表达RhoC蛋白增强。结论:体外条件下,X基因可促进肝癌HEPG2细胞RhoC表达增强。这可能与肝癌的侵袭、转移有关。

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文章编号:1005-6947(2006)12-0923-04
收稿时间:2006-05-17
修稿时间:2006-07-25

The effect of HBV X gene vector on the expression of RhoC protein in HEPG2 cell line
ZHENG Yan-song,LU Xin-sheng,ZEN Yong-yi,LIN Yong-kun,LIN Xu.The effect of HBV X gene vector on the expression of RhoC protein in HEPG2 cell line [J].Chinese Journal of General Surgery,2006,15(12):13-926.
Authors:ZHENG Yan-song  LU Xin-sheng  ZEN Yong-yi  LIN Yong-kun  LIN Xu
Affiliation:1. Department of General Surgery, the First Affilitated Hospital, Fujian Medical University, Fuzhou 350005 ,China; 2. Department of General Surgery, Xiangya Hospital, Central South University, Changsha 410008, China ; 3. The Molecular Research Center, Fujian Medical University, Fuzhou 350005 , China
Abstract:Objective To explore the effect of HBV X gene in the expression of RhoC gene in HEPG2 cell line.Methods The whole-length X gene was directly cloned to pcDNA3.1 vector.The recombinant vector(pcDNA3.1-X) was transfected into HEPG2 cells after selection with hygromycin,steady clones(HEPG2-X cells) were obtained.The expression of RhoC protein was analysed with immunohistochemical stain.Results The recombinant plasmid could steadily express X protein efficiently,and the expression of RhoC protein in HEPG2-X cell was enhanced. Conclusions HBV X gene can enhance the expression of RhoC protein in vitro.It may be related to invasiveness and metastasis of hepatocellular carcinoma.
Keywords:Genes  X  Genes  Rhoc  Liver Neoplasms  Experimental  Gene Expression
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