Coexistence of HIV-1 variants with dipeptidic insertion in the reverse transcriptase gene.

Autor: Tanikawa AA; Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, BotucatuSP, Brasil., Barreto SF; Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, BotucatuSP, Brasil., Grotto RM; Departamento de Clínica Médica, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, Brasil., Pardini MI; Departamento de Clínica Médica, Faculdade de Medicina de Botucatu, Universidade Estadual Paulista, Botucatu, SP, Brasil.
Jazyk: English; Portuguese
Zdroj: Revista de saude publica [Rev Saude Publica] 2013 Aug; Vol. 47 (4), pp. 821-3.
DOI: 10.1590/S0034-8910.2013047004701
Abstrakt: The aim of this communication was to describe the detection of the coexistence of HIV-1 variant with dipeptide insertion between codons 69 and 70 of reverse transcriptase. These variants were isolated from a 16-year-old male patient, undergoing treatment in the city of Marilia, SP, Southeastern Brazil. After confirmation of treatment failure, resistance to antiretroviral drugs testing was performed and two variants with the insertions of the aminoacids Ser-Gly/Ser-Ala at codon 69 of reverse transcriptase were detected, besides the T69S mutation. These insertions have low prevalence, have not been reported in situations of coexistence in Brazil and are related to multidrug resistance, which makes this epidemiological finding relevant.
Databáze: MEDLINE