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HIV-1 Pol Gene Polymorphism and Antiretroviral Resistance Mutations in Treatment-Naive Adult Patients in French Guiana Between 2006 and 2012

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Darcissac, Edith | Nacher, Mathieu | Adriouch, Leila | Berlioz-Arthaud, Alain | Boukhari, Rachida | Couppié, Pierre | Djossou, Félix | Donato, Damien | Guedj, Myriam, El | Lavergne, Anne | Papot, Emmanuelle | Pouliquen, Jean-François | Tanguy, Edouard | Vantilcke, Vincent | Lacoste, Vincent

Edité par CCSD ; Mary Ann Liebert -

International audience. Little information is available on the molecular epidemiologic profile of HIV-1 in French Guiana, the French department with the highest HIV/AIDS incidence. To follow the evolution of HIV-1 diversity, we carried out a molecular analysis of HIV-1 isolates from 305 treatment-naive patients between 2006 and 2012. Protease and reverse-transcriptase sequences were obtained for subtype characterization, polymorphism analysis, and identification of drug resistance mutations. Of 305 HIV-1 strains, 95.1% were subtype B viruses. The overall prevalence of transmitted drug-resistance mutations (TDRMs) was 4.6% (14/305), ranging from 1.9% to 7.1% depending on the year. This study shows a low level of HIV-1 genetic diversity and a moderate prevalence of TDRMs with no evidence of an increasing trend over the study period. Nevertheless, the strong genetic polymorphism observed on both genes may be of concern for long-term treatment of people living with HIV-1 and thus deserves continuous monitoring.

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