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Home / Archives for Vrancken B

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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Implications of hepatitis C virus subtype 1a migration patterns for virus genetic sequencing policies in Italy

  • Autores: Aragri M, Balog D, Ceccherini-Silberstein F, Cento V, Cuypers L, Di Maio VC, Fabeni L, Focà A, Marascio N, Nevens F, Perno CF, Pineda-Peña AC, Schrooten Y, Torti C, Van Laethem K, Vandamme AM, Vrancken B
  • Ano de Publicação: 2017
  • Journal: BMC Evolutionary Biology
  • Link: https://bmcevolbiol.biomedcentral.com/articles/10.1186/s12862-017-0913-3

In-depth phylogeographic analysis can reveal migration patterns relevant for public health planning. Here, as a model, we focused on the provenance, in the current Italian HCV subtype 1a epidemic, of the NS3 resistance-associated variant (RAV) Q80K, known to interfere with the action of NS3/4A protease inhibitor simeprevir. HCV1a migration patterns were analysed using Bayesian phylodynamic […]
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Quantifying next generation sequencing sample pre-processing bias in HIV-1 complete genome sequencing

  • Autores: Baele G, Lemey P, Trovão NS, Van Laethem K, Van Wijngaerden E, Vandamme AM, Vrancken B
  • Ano de Publicação: 2016
  • Journal: Viruses
  • Link: http://www.mdpi.com/1999-4915/8/1/12%20

Genetic analyses play a central role in infectious disease research. Massively parallelized “mechanical cloning” and sequencing technologies were quickly adopted by HIV researchers in order to broaden the understanding of the clinical importance of minor drug-resistant variants. These efforts have, however, remained largely limited to small genomic regions. The growing need to monitor multiple genome […]
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The genealogical population dynamics of HIV-1 in a large transmission chain: bridging within and among host evolutionary rates

  • Autores: Baele G, Derdelinckx I, Drummond A, Lemey P, Rambaut A, Suchard MA, Van Laethem K, Van Wijngaerden E, Vandamme AM, Vrancken B
  • Ano de Publicação: 2014
  • Journal: PLoS Computational Biology
  • Link: http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1003505

Transmission lies at the interface of human immunodeficiency virus type 1 (HIV-1) evolution within and among hosts and separates distinct selective pressures that impose differences in both the mode of diversification and the tempo of evolution. In the absence of comprehensive direct comparative analyses of the evolutionary processes at different biological scales, our understanding of how fast within-host HIV-1 evolutionary rates translate to lower rates at the between host level remains incomplete.
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A near-full length genotypic assay for HCV1b

  • Autores: Camacho RJ, Cuypers L, Kerremans L, Nevens F, Snoeck J, Van Dooren S, Vandamme AM, Verbeeck J, Vrancken B, Vuagniaux G
  • Ano de Publicação: 2014
  • Journal: Journal of Virological Methods
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25245140

A near-full genome genotypic assay for HCV1b was developed, which may prove useful to investigate antiviral drug resistance, given new combination therapies for HCV1 infection. The assay consists of three partially overlapping PCRs followed by Sanger population or Illumina next-generation sequencing.
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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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