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• 临床研究 • 上一篇    下一篇

输血传播病毒样微小病毒基因检测

刘元元1, 马振华1, 王 峰1, 牛俊奇1*, 于永利2   

  1. 1.吉林大学第一医院感染症科,吉林 长春 130021;2.吉林大学基础医学院免疫学教研室,吉林 长春 130021
  • 收稿日期:2006-04-03 修回日期:1900-01-01 出版日期:2006-11-28 发布日期:2006-11-28
  • 通讯作者: 牛俊奇

Gene determination of transfusion transmitted virus-like mini virus

LIU Yuan-yuan1,MA Zhen-hua1,WANG Feng1, NIU Jun-qi1*,YU Yong-li2   

  1. 1.Department of Infectious Diseases,First Hospital,Jilin University,Changchun 130021, China; 2.Department of Immunology,School of Basic Medical Sciences,Jilin University,Changchun 130021,China
  • Received:2006-04-03 Revised:1900-01-01 Online:2006-11-28 Published:2006-11-28
  • Contact: NIU Jun-qi

摘要: 目的:测定慢性肝炎患者体内输血传播病毒(TTV)样微小病毒(TLMV)的全基因序列,并研究人群中TLMV感染状况。方法:采用日本学者Shunji Mishiro提供的序列选择TLMV-CBD279和CBD-231最保守区设计引物,用慢性乙型肝炎且TTV阳性患者血清制备DNA模板,进行PCR扩增;将阳性PCR产物连接至pGEMR-T质粒,碱裂解法提取质粒DNA并纯化。以T7 引物为起 始全自动荧光测序仪测序。结果:获得162bp基因序列,该序列与日本株CBD231、CBD279同源性为72%,丙型肝炎患者及健康献血员感染率最高。结论:在*慢性乙型肝炎患者体内存在TLMV感染。

关键词: 输血传播病毒样微小病毒, 序列分析, DNA

Abstract: Objective To detect the transfusion transmitted virus-like mini virus (TLMV) sequence gene in patients with chronic hepatitis and to study the TLMV infection in population. Methods Two sets of primers in the most conservative regions of Japan strains TLMV-CBD279 and CBD231 were designed to amplify TLMV templete extracted from sera of patients with chronic hepatitis B using PCR. PCR products were cloned into pGEMR-T vector and sequenced. Results The results showed that 72%of TLMV sequence isolated in China was identical to that in Japan, suggesting that there was TLMV infection in patients with chronic hepatit is B in China.The patients with hepatitis virus C and the healthy blood donor had the highest infectious rates of TLMV. Conclusion TL0MV infection exists in patients with chronic hepatitis B in China.

Key words: TTV-like mini virus, sequence, DNA

中图分类号: 

  • R373.21