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Global Health and Tropical Medicine

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Escape from neutralization is a frequent event in HIV-2 infection and is strongly associated with X4 tropism

Title Escape from neutralization is a frequent event in HIV-2 infection and is strongly associated with X4 tropism. Background HIV-2 infection induces the production of a broad neutralizing antibody (NAb) response and this has been linked to a better control of viral replication and disease progression. However, little is known about the neutralizing targets and […]
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Short communication: Prevalence of HIV type 1 transmitted drug resistance in Slovenia: 2005-2010

Slovenia is a small European country with a total of 547 HIV-infected individuals cumulatively reported by the end of 2011. However, the estimated incidence rate of HIV infections increased from 7.0 per million in 2003 to 26.8 per million in 2011. In this study, we assessed the prevalence of transmitted drug resistance (TDR) in the past 6 years (2005–2010) and analyzed the time trend of the proportion of men having sex with men (MSM) and HIV-1 subtype B among newly diagnosed individuals in a 15-year period (1996–2010) in Slovenia.
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Appearance of a single amino acid insertion at position 33 in HIV type 1 protease under a lopinavir-containing regimen, associated with reduced protease inhibitor susceptibility.

HIV drug resistance is a multifactorial phenomenon and constitutes a major concern as it results in therapy failure. The aim of this study was to assess the impact of an amino acid insertion identified at position 33 of the protease gene, derived from samples from three patients under lopinavir therapy, on viral fitness and protease inhibitor (PI) resistance.
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Molecular Epidemiological Analysis of Paired pol/env Sequences from Portuguese HIV Type 1 Patients

The advent of new therapeutic approaches targeting env and the search for efficient anti-HIV-1 vaccines make it necessary to identify the number of recombinant forms using genomic regions that were previously not frequently sequenced.
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About GHTM

GHTM is a R&D Unit that brings together researchers with a track record in Tropical Medicine and International & Global Health. It aims at strengthening Portugal's role as a leading partner in the development and implementation of a global health research agenda. Our evidence-based interventions contribute to the promotion of equity in health and to improve the health of populations.

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