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Home / Archives for Li G

Drivers of HIV-1 transmission: The Portuguese case

  • Autores: Pineda-Peña AC, Pingarilho M, Li G, Vrancken B, Libin P, Gomes P, Camacho RJ, Theys K, Abecasis AB, Portuguese Hiv-1 Resistance Study Group
  • Ano de Publicação: 2019
  • Journal: PLoS One
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/31568476

BACKGROUND: Portugal has one of the most severe HIV-1 epidemics in Western Europe. Two subtypes circulate in parallel since the beginning of the epidemic. Comparing their transmission patterns and its association with transmitted drug resistance (TDR) is important to pinpoint transmission hotspots and to develop evidence-based treatment guidelines. METHODS: Demographic, clinical and genomic data were […]
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A new ensemble coevolution system for detecting HIV-1 protein coevolution

  • Autores: Eusebio M, Khouri R, Li G, Piampongsant S, Pineda-Peña AC, Ramon J, Theys K, Vandamme AM, Verheyen J
  • Ano de Publicação: 2015
  • Journal: Biology Direct
  • Link: https://biologydirect.biomedcentral.com/articles/10.1186/s13062-014-0031-8

A key challenge in the field of HIV-1 protein evolution is the identification of coevolving amino acids at the molecular level. In the past decades, many sequence-based methods have been designed to detect position-specific coevolution within and between different proteins. However, an ensemble coevolution system that integrates different methods to improve the detection of HIV-1 […]
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An integrated map of HIV genome-wide variation from a population perspective

  • Autores: Faria NR, Khouri R, Lemey P, Li G, Piampongsant S, Pineda-Peña AC, Theys K, Vandamme AM, Voet A
  • Ano de Publicação: 2015
  • Journal: Retrovirology
  • Link: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4358901/

Background: The HIV pandemic is characterized by extensive genetic variability, which has challenged the development of HIV drugs and vaccines. Although HIV genomes have been classified into different types, groups, subtypes and recombinants, a comprehensive study that maps HIV genome-wide diversity at the population level is still lacking to date. This study aims to characterize […]
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Trends and predictors of transmitted drug resistance (TDR) and clusters with TDR in a local Belgian HIV-1 epidemic

  • Autores: Albert J, Balotta C, Boucher C, De Munter P, Derdelinckx I, Ferreira F, Gomez-Lopez A, Khouri R, Kostrikis LG, Kücherer C, Li G, Littsola K, Nielsen C, Paredes R, Pineda-Peña AC, Schrooten Y, Stanojevic M, Trovão NS, Van Laethem K, Van Ranst M, Van Wijngaerden E, Vandamme AM, Vercauteren J, Vinken L, Wensing A
  • Ano de Publicação: 2014
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0101738

We aimed to study epidemic trends and predictors for transmitted drug resistance (TDR) in our region, its clinical impact and its association with transmission clusters. We included 778 patients from the AIDS Reference Center in Leuven (Belgium) diagnosed from 1998 to 2012. Resistance testing was performed using population-based sequencing and TDR was estimated using the WHO-2009 surveillance list.
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Horizontal gene transfer from human host to HIV-1 reverse transcriptase confers drug resistance and partly compensates for replication deficits

  • Autores: De Baets G, Dekeersmaeker N, Li G, Megens S, Moutschen M, Rousseau F, Schrooten Y, Schymkowitz J, Vaira D, Van Laethem K, Vandamme AM
  • Ano de Publicação: 2014
  • Journal: Virology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/24889250

We investigated the origin and the effect of insertion D67D-THGERDLGPA within HIV-1 RT from a patient failing antiviral therapy. The insertion developed within the context of pre-existing NRTI and NNRTI mutations (M41L, L210W, T215Y and N348I).
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT 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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