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Virologica Sinica, 26 (6) : 386-392, 2011
Emerging Trends of Drug-Resistant HIV-1 among Drug-Treated Patients in Former Blood Donors in Hubei, China: a Three-Year Surveillance from 2004 to 2006*
1. The State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Xiaohongshan 44, Wuhan 430071, China
2. School of Life Science, Huzhou Teachers College, No.1 Xueshi Road., Huzhou, Zhejiang 313000, China
3. Immunization Program Department, Shouguang Center for Diseases Control and Prevention, No. 93 Yingbin Road, Weifang, Shandong 262700, China
 Correspondence: ryang@wh.iov.cn
This study aimed to evaluate emerging trends of drug resistance to nucleoside reverse transcriptase inhibitors (NRTIs) and nonnucleoside reverse transcriptase inhibitors (NNRTIs) among 290 former blood donor HIV-1 infected patients in Hubei, China, from 2004 to 2006, all of whom had received anti-HIV-1 therapy. The presence of NRTI- and NNRTI-associated mutations were established by sequencing; genotypic and predicted phenotypic drug resistance were evaluated using HIVdb Program version 5.0.1 (http://hivdb.stanford.edu/ pages/algs/HIVdb.html). Genotypic drug resistance analysis showed significant increases in percentages of patients carrying HIV-1 strains with M41L, T215Y/F, D67N, K103N, G190A/S, Y181C/F or L210W mutations. Of the variants’ predicted phenotypic drug resistance, highly significant increases were detected in percentages of patients carrying HIV-1 with high resistance to zidovudine (AZT) or stavudine (D4T) in NRTIs, and to delavirdine (DLV), efavirenz (EFV) or nevirapine (NVP) in NNRTIs; intermediate resistance to abacavir (ABC), AZT, D4T, didanosine (DDI) or tenofovir disoproxil fumarate (TDF) in NRTIs, and to etravirine (ETR) in NNRTIs; and low and potential low resistance to lamivudine (3TC), ABC, emtricitabine (FTC) or TDF in NRTIs, and to ETR in NNRTIs.
Received: 28 Sep 2011  Accepted: 1 Jul 2011  Published online: 5 Dec 2011
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