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Home / Archives for Vandamme AM

Vandamme AM

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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Characterization of amino acids Arg, Ser and Thr at position 70 within HIV-1 reverse transcriptase

  • Autores: Bernatchez J, Camacho RJ, Covens K, De Wit S, Dekeersmaeker N, Götte M, Megens S, Theys K, Van Laethem K, Vandamme AM, Vinken L
  • Ano de Publicação: 2014
  • Journal: Acta Clinica Belgica
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25103592

The amino acid position 70 in HIV-1 reverse transcriptase (RT) plays an important role in nucleoside RT inhibitor (NRTI) resistance. K70R is part of the thymidine analog mutations, but also other amino acid changes have been associated with NRTI resistance, such as K70E and K70G. In this study, we investigated the in vivo selection of the HIV-1 RT mutations K70S and K70T and their in vitro effect on drug resistance and replication capacity.
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HIV-1 Gag C-terminal amino acid substitutions emerging under selective pressure of protease inhibitors in patient populations infected with different HIV-1 subtypes

  • Autores: Li G, Piampongsant S, Theys K, Van Laethem K, Vandamme AM, Verheyen J
  • Ano de Publicação: 2014
  • Journal: Retrovirology
  • Link: http://www.retrovirology.com/content/11/1/79

HIV-1 Gag amino acid substitutions associated with protease inhibitor (PI) treatment have mainly been reported in subtype B, while information on other subtypes is scarce. Using sequences from 11613 patients infected with different HIV-1 subtypes, we evaluated the prevalence of 93 Gag amino acid substitutions and their association with genotypic PI resistance.
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Patterns of Transmitted HIV drug resistance in Europe vary by risk group

  • Autores: Abecasis A, Albert J, Åsjö B, Balotta C, Bergin C, Beshkov D, Boucher C, Camacho R, Clotet B, Frentz D, Griskevicius A, Grossman Z, Hamouda O, Horban A, Jørgensen L, Kolupajeva T, Korn K, Kostrikis L, Kücherer C, Linka KL, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Programme AW, Puchhammer-Stöckl E, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, van de Vijver D, Vandamme AM, Vercauteren J
  • Ano de Publicação: 2014
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0094495

In Europe, a continuous programme (SPREAD) has been in place for ten years to study transmission of drug resistant HIV. We analysed time trends of transmitted drug resistance mutations (TDRM) in relation to the risk behaviour reported.
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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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Global Dispersal Pattern of HIV Type 1 Subtype CRF01_AE: A Genetic Trace of Human Mobility Related to Heterosexual Sexual Activities Centralized in Southeast Asia

  • Autores: Albert J, Alexiev I, Angelis K, Åsjö B, Balotta C, Boucher CA, Camacho RJ, Coughlan S, Griskevicius A, Grossman Z, Hamouda O, Hatzakis A, Horban A, Kaplan L, Kostrikis LG, Lepej S, Liitsola K, Linka M, Magiorkinis G, Mamais I, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Puchhammer-Stöckl E, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, Vandamme AM, Vercauteren J, Wensing AM
  • Ano de Publicação: 2014
  • Journal: Journal of Infectious Diseases
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25512631

Human immunodeficiency virus type 1 (HIV-1) subtype CRF01_AE originated in Africa and then passed to Thailand, where it established a major epidemic. Despite the global presence of CRF01_AE, little is known about its subsequent dispersal pattern.
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