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在急性丙型肝炎的 HIV 阳性患者中,在治疗之前,经常会出现自然的 NS3 耐药性多态性。

Natural NS3 resistance polymorphisms occur frequently prior to treatment in HIV-positive patients with acute hepatitis C.

机构信息

aMRC Centre for Virus Research, University of Glasgow, Glasgow bDepartment of Virology, Imperial College NHS Trust cDepartment of Medicine, Imperial College London, London, UK.

出版信息

AIDS. 2013 Sep 24;27(15):2485-8. doi: 10.1097/QAD.0b013e328363b1f9.

DOI:10.1097/QAD.0b013e328363b1f9
PMID:23770494
Abstract

NS3 protease inhibitors are set to improve sustained virological response rates in HIV-positive patients with hepatitis C. We measured the prevalence of natural resistance polymorphisms in 38 acutely infected treatment-naive patients using direct and deep sequencing. Twenty six percent of patients (10/38) had a majority variant resistance mutation (in order of frequency; Q80K - 16%, V36M - 5%, T54S - 3%, V55A - 3%, and D168A - 3%). Low-frequency mutations were detected in all samples. Further studies are required to determine threshold levels associated with treatment failure.

摘要

NS3 蛋白酶抑制剂有望提高丙型肝炎合并 HIV 阳性患者的持续病毒学应答率。我们使用直接测序和深度测序,检测了 38 例急性感染初治患者中天然耐药突变的流行情况。26%的患者(10/38)存在主要变异耐药突变(按频率顺序排列;Q80K-16%,V36M-5%,T54S-3%,V55A-3%,D168A-3%)。所有样本均检测到低频突变。需要进一步研究来确定与治疗失败相关的阈值水平。

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