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肝炎病毒基因型研究的新进展 被引量:1

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摘要 本文主要对HBV、HCV、HGV和TTV的基因型研究新进展进行综述。PCR是目前比较常用的一种基因分析法。迄今为止,已发现HBV有A、B、C、D、E、F、G、H8种基因型,HBV在漫长的岁月中累计的点突变构成不同的基因型,HBV的自然变异对于疾病临床转归的影响成为国际研究的热点,X基因是一种仅存于嗜肝性乙型肝炎病毒的基因,与宿主细胞生物学功能有广泛的联系和相互作用,是乙型肝炎病毒致癌的主要基因和发病基础;乙型肝炎病毒核心基因启动子是HBV复制的关键性调控因子,因而可能对病毒的生物学特性有较大影响;HCV基因组RNA在肝细胞中,常以双链互补的形式存在,基因组在复制过程中有负链RNA,但没有DNA中间体,表明是一种非整合型病毒;HGV基因结构HCV非常相似,同属黄病毒家族成员,HGV可引起人类输血后肝炎及散发性急、慢性肝炎;TTV为无包膜的单负链环状DNA病毒,TTVDNA主要定位在肝细胞核内,主要通过血液传播,与输血后肝炎相关。基因型的提出为肝炎病毒的研究开辟了新的领域。
机构地区 长沙市卫生学校
出处 《实用预防医学》 CAS 2007年第6期1968-1970,共3页 Practical Preventive Medicine
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  • 1Shuang Ping Guo~1 Wen Liang Wang~1 Yu Qiang Zhai~2 Yi Ling Zhao~1 ~1Department of Pathology,Xijing Hospital of the Fourth Military Medical University,Xi’an,China ~2Department of Urology,the Central Hospital of Xi’an,China.Expression of nuclear factor-KB in hepatocellular carcinoma and its relation with the X protein of hepatitis B virus[J].World Journal of Gastroenterology,2001,7(3):340-344. 被引量:55
  • 2Zhao-You Tang Liver Cancer Institute & Zhongshan Hospital of Fudan University Professor of Surgery Chairman.Liver Cancer Institute of Fudan University(previous Liver Cancer Institute of Shanghai Medical University)136 Yixueyuan Road,Zhongshan Hospital,Shanghai 200032,China..Hepatocellular Carcinoma-Cause,Treatment and Metastasis[J].World Journal of Gastroenterology,2001,7(4):445-454. 被引量:214
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