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Analysis of lamivudine resistance acquisition by hepatitis B virus.

Analysis of lamivudine resistance acquisition by hepatitis B virus.
乙型肝炎病毒拉米夫定耐药性获得分析。
批准号:
13557049
负责人:
CHAYAMA Kazuaki
金额:
$8.32万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2001
资助国家:
日本
项目状态:
已结题
起止时间:
2001 至 2003

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中文摘要
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英文摘要
Hepatitis B virus infection is a serious health problem worldwide. As the hepatitis B virus infects only humans and chimpanzees, establishment of reliable culture system is necessary to study this important pathogen. We cloned a fu11 length genotype C clone of the hepatitis B virus from a patient with a very mild hepatitis. About one and half genome was cloned into a plasmid vector. The 1.4 length clone was transfected to a HepG2 cell line. The resultant cell line produced HBs antigen, HBe antigen and HBV DNA to a supernatant. The titer of HBV DNA was 10^6-10^7 copy/ml. The production of the HBV DNA was reduced by incubation of lamivudine and interferons. The clones should be useful to further develop anti-hepatitis B virus agents and study biological properties of the hepatitis B virus.
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T.Kameda, K.Haruma, Chayama K.et al.: "Significance of an exaggerated meal-stimulated gastrin response in pathogenesis of Helicobacter pylori-negative duodenalulcer."Dig Dis Sci. 48(4). 644-651 (2003)
T.Kameda、K.Haruma、Chayama K.等人:“在幽门螺杆菌阴性十二指肠溃疡发病机制中,膳食刺激的胃泌素反应过度的意义。”Dig Dis Sci。
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通讯作者:
J.Tanaka, H.Kumada, K.Ikeda, Chayama K.ほか7名: "Natural histories of hepatitis C virus infection in men and women simulated by the markov model"Journal of medical virology. 70,3. 378-386 (2003)
J.Tanaka、H.Kumada、K.Ikeda、Chayama K. 等 7 人:“马尔可夫模型模拟的男性和女性丙型肝炎病毒感染的自然史”医学病毒学杂志 70,3。 2003)
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K.Nakai, S.Tazuma, T.Nishioka, Chayama K.: "Inhibition of cholesterol crystallization uder pilirubin deconjugation : partial characterization of mechanisms whereby infected bile accelerates pigment stone formation"Biochem Biophys Acta. 1632,1-3. 48-54 (20
K.Nakai、S.Tazuma、T.Nishioka、Chayama K.:“毛红素解结合对胆固醇结晶的抑制:感染胆汁加速色素结石形成机制的部分表征”Biochem Biophys Acta。
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通讯作者:
T.Kamada, K.Haruma, Chayama K.ほか7名: "Significance of an exaggerated meal-stimulated gastrin response in pathogenesis of Helicobacter pylori-negative duodenal ulcer"Dig Dis Sci. 48,4. 644-651 (2003)
T. Kamada、K. Haruma、Chayama K. 和其他 7 人:“幽门螺杆菌阴性十二指肠溃疡发病机制中夸大的膳食刺激胃泌素反应的意义”Dig Dis Sci 48,4 (2003)。
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51
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