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YMDD变异阴性的拉米夫定表型耐药患者体内乙型肝炎病毒逆转录酶基因序列分析

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摘要 目的:了解YMDD变异阴性的拉米夫定耐药患者体内HBV逆转录酶基因变异情况.方法:采用PCR产物直接测序方法对3例YMDD变异阴性的拉米夫定耐药患者体内HBVRT区基因序列进行分析.结果:3份标本核苷酸变异率为0.24—0.85%,氨基酸变异率均为0.73%,较既往GenBank中收录的HBVC型基因序列的变异率无明显差别.发现以往已发表序列中未出现的新型变异-rtQ125N变异.结论:部分拉米夫定表型耐药现象的出现可能与HBVRT区基因变异无关.
出处 《世界华人消化杂志》 CAS 北大核心 2005年第7期911-912,共2页 World Chinese Journal of Digestology
基金 首都医学发展科研基金 No.2002-3046山东省卫生厅计划项目 No.2001CA1CAA11
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