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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Detection of HIV-1 dual infections in highly exposed treated patients
Virology Journal, Volume 8, Article 392, Year 2011
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Description
Background: Genetic characterization of HIV-1 in Argentina has shown that BF recombinants predominate among heterosexuals and injecting drug users, while in men who have sex with men the most prevalent form is subtype B. Objectives. The aim of this work was to investigate the presence of HIV dual infections in HIV-infected individuals with high probability of reinfection. Study design. Blood samples were collected from 23 HIV positive patients with the risk of reinfection from Buenos Aires. A fragment of the HIV gene pol was amplified and phylogenetic analyses were performed. Antiretroviral drug resistance patterns of all the sequences were analyzed. Results: Five dual infections were detected with four patients coinfected with subtype B and BF recombinants and one patient was coinfected with two BF recombinants presenting different recombination patterns. Prolonged infection with a stable clinical condition was observed in the five individuals. Resistance mutation patterns were different between the predominant and the minority strains. Conclusions: Our results show that HIV dual infection can occur with closely related subtypes, and even with different variants of the same recombinant form in certain populations. Clinical observations showed neither aggressive disease progression nor impact on the resistance patterns in the dually-infected patients. © 2011 Andreani et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Andreani, Guadalupe
Argentina, Buenos Aires
Universidad de Buenos Aires
Ceballos, Ana
Argentina, Buenos Aires
Universidad de Buenos Aires
Ambrosioni, Juan C.
Argentina, Buenos Aires
Universidad de Buenos Aires
Petroni, E. Alejandro
Argentina, Buenos Aires
Laboratorio de Retrovirus y Virus Asociados
Pugliese, Dora
Argentina, Buenos Aires
Laboratorio de Retrovirus y Virus Asociados
Bouzas, María Belén
Argentina, Buenos Aires
Infectious Diseases Hospital
Fernández-Giuliano, Silvina
Argentina, Buenos Aires
Infectious Diseases Hospital
Weissenbacher, Mercedes C.
Argentina, Buenos Aires
Universidad de Buenos Aires
Losso, Marcelo Horacio
Argentina, Buenos Aires
Hospital J.m. Ramos Mejia, Buenos Aires
Benetucci, Jorge A.
Argentina, Buenos Aires
Laboratorio de Retrovirus y Virus Asociados
Carr, Jean Kirkland
Anguilla, Anguilla
Saint James School of Medicine
Martínez-Peralta, Liliana A.
Argentina, Buenos Aires
Universidad de Buenos Aires
Statistics
Citations: 13
Authors: 12
Affiliations: 5
Identifiers
Doi:
10.1186/1743-422X-8-392
e-ISSN:
1743422X
Research Areas
Cancer
Genetics And Genomics
Health System And Policy
Infectious Diseases
Participants Gender
Male