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Home / Archives for Poljak M

Poljak M

Limited cross-border infections in patients newly diagnosed with HIV in Europe

  • Autores: Abecasis AB, Albert J, Åsjö B, Balotta C, Beshkov D, Camacho RJ, Clotet B, Coughlan S, De Wit S, Frentz D, Griskevicius A, Grossman Z, Hamouda O, Horban A, Jørgensen LB, Kolupajeva T, Korn K, Kostrikis LG, Kücherer C, Liitsola K, Linka M, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, Vandamme AM, Wensing AMJ
  • Ano de Publicação: 2013
  • Journal: Retrovirology
  • Link: http://www.retrovirology.com/content/10/1/36

International travel plays a role in the spread of HIV-1 across Europe. It is, however, not known whether international travel is more important for spread of the epidemic as compared to endogenous infections within single countries. In this study, phylogenetic associations among HIV of newly diagnosed patients were determined across Europe.
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Short communication: Prevalence of HIV type 1 transmitted drug resistance in Slovenia: 2005-2010

  • Autores: Abecasis AB, Karner P, Lunar MM, Maver PJ, Pecavar B, Poljak M, Seme K, Tomazic J, Vidmar L, Vovko TD, Židovec Lepej S
  • Ano de Publicação: 2013
  • Journal: AIDS Research and Human Retroviruses
  • Link: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3552160/

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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European Recommendations for the Clinical Use of HIV Drug Resistance Testing: 2011 Update.

  • Autores: Camacho RJ, Ceccherini-Silberstein F, De Luca A, European HIV Drug Resistance Guidelines Panel, Palmisano L, Paraskevis D, Paredes R, Poljak M, Schmit JC, Sönnerborg A, Soriano V, Vandamme AM, Walter H
  • Ano de Publicação: 2011
  • Journal: Aids Reviews
  • Link: https://apps.webofknowledge.com/full_record.do?product=UA&search_mode=GeneralSearch&qid=19&SID=Y2ytOr2frNCuRlReLtM&page=1&doc=1

The European HIV Drug Resistance Guidelines Panel, established to make recommendations to clinicians and virologists, felt that sufficient new information has become available to warrant an update of its recommendations, explained in both pocket guidelines and this full paper.
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Cellular HIV-1 DNA levels in drug sensitive strains are equivalent to those in drug resistant strains in newly-diagnosed patients in Europe

  • Autores: Balotta C, Clotet B, Demetriou VL, Grossman Z, Jørgensen LB, Kostrikis LG, Kousiappa I, Lepej SZ, Levy I, Nielsen C, Paraskevis D, Poljak M, Roman F, Ruiz L, Schmidt JC, Van de Vijver DA, Van Laethem K, Vandamme AM, Vercauteren J
  • Ano de Publicação: 2010
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/20544014

BACKGROUND:
HIV-1 genotypic drug resistance is an important threat to the success of antiretroviral therapy and transmitted resistance has reached 9% prevalence in Europe. Studies have demonstrated that HIV-1 DNA load in peripheral blood mononuclear cells (PBMC) have a predictive value for disease progression, independently of CD4 counts and plasma viral load.
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Treatment-associated polymorphisms in protease are significantly associated with higher viral load and lower CD4 count in newly diagnosed drug-naive HIV-1 infected patients.

  • Autores: Albert J, Åsjö B, Balotta C, Boucher CA, Bruckova M, Camacho RJ, Clotet B, Coughlan S, Deforche K, Grossman Z, Hamouda O, Horban A, Korn K, Kostrikis LG, Kücherer C, Libin P, Liitsola K, Nielsen C, Paraskevis D, Poljak M, Puchhammer-Stöckl E, Riva C, Ruiz L, Schmit JC, Schuurman R, Sönnerborg A, SPREAD-programme, Staneková D, Stanojevic M, Struck D, Theys K, Van de Vijver DA, Van Laethem K, Vandamme AM, Vercauteren J, Wensing AM
  • Ano de Publicação: 2012
  • Journal: Retrovirology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Treatment-associated+polymorphisms+in+protease+are+significantly+associated+with+higher+viral+load+and+lower+CD4+count+in+newly+diagnosed+drug-naive+HIV-1+infected+patients

BACKGROUND:
The effect of drug resistance transmission on disease progression in the newly infected patient is not well understood. Major drug resistance mutations severely impair viral fitness in a drug free environment, and therefore are expected to revert quickly. Compensatory mutations, often already polymorphic in wild-type viruses, do not tend to revert after transmission.
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HIV-1 sub- type distribution and its demographic determinants in newly diagnosed patients in Europe suggest highly compartmentalized epidemics

  • Autores: Abecasis AB, Albert J, Åsjö B, Balotta C, Beshkov D, Boucher CB, Camacho RJ, Clotet B, De Gascun C, Griskevicius A, Grossman Z, Hamouda O, Horban A, Kolupajeva T, Korn K, Kostrikis LG, Kücherer C, Liitsola K, Linka M, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Puchhammer-Stöckl E, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, Theys K, Van de Vijver DMC, Vandamme AM, Vercauteren J, Wensing AMJ
  • Ano de Publicação: 2013
  • Journal: Retrovirology
  • Link: http://www.retrovirology.com/content/10/1/7

Understanding HIV-1 subtype distribution and epidemiology can assist preventive measures and clinical decisions. Sequence variation may affect antiviral drug resistance development, disease progression, evolutionary rates and transmission routes.
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Bridging epidemiology with population genetics in a low incidence MSM-driven HIV-1 subtype B epidemic in Central Europe

  • Autores: Abecasis AB, Kamer P, Lunar MM, Pecavar B, Poljak M, Tomazic J, Vandamme A-M, Volcansek G, Vovko TD
  • Ano de Publicação: 2015
  • Journal: Bmc Infectious Diseases
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25887543

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Increase in transmitted resistance to non-nucleoside reverse transcriptase inhibitors among newly diagnosed HIV-1 infections in Europe

  • Autores: Abecasis AB, Albert J, Åsjö B, Balotta C, Beshkov D, Boucher CA, Camacho RJ, Clotet B, Coughlan S, Frentz D, Griskevicius A, Grossman Z, Hamouda O, Horban A, Jørgensen LB, Kolupajeva T, Korn K, Kostrikis LG, Kücherer C, Liitsola K, Linka M, Nielsen C, Otelea D, Paraskevis D, Paredes R, Poljak M, Puchhammer-Stöckl E, Schmit JC, Sönnerborg A, Staneková D, Stanojevic M, Struck D, Van de Vijver DA, Van Wijngaerden E, Vercauteren J, Wensing AM
  • Ano de Publicação: 2014
  • Journal: Bmc Infectious Diseases
  • Link: http://www.biomedcentral.com/1471-2334/14/407

One out of ten newly diagnosed patients in Europe was infected with a virus carrying a drug resistant mutation. We analysed the patterns over time for transmitted drug resistance mutations (TDRM) using data from the European Spread program.
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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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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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