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Home / Archives for PLoS One

PLoS One

DEB025 (Alisporivir) inhibits hepatitis C virus replication by preventing a cyclophilin A induced cis-trans isomerisation in domain II of NS5A

  • Autores: Bartenschlager R, Berger C, Bobardt M, Chatterji U, Coelmont L, Gallay P, Hanoulle X, Lim P, Lippens G, Neyts J, Paeshuyse J, Snoeck J, Vandamme AM, Vliegen I, Vuagniaux G
  • Ano de Publicação: 2010
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=DEB025+(Alisporivir)+Inhibits+Hepatitis+C+Virus+Replication+by+Preventing+a+Cyclophilin+A+Induced+Cis-Trans+Isomerisation+in+Domain+II+of+NS5A

DEB025/Debio 025 (Alisporivir) is a cyclophilin (Cyp)-binding molecule with potent anti-hepatitis C virus (HCV) activity both in vitro and in vivo. It is currently being evaluated in phase II clinical trials. DEB025 binds to CypA, a peptidyl-prolyl cis-trans isomerase which is a crucial cofactor for HCV replication.
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Direct Detection by the Xpert MTB/RIF Assay and Characterization of Multi and Poly Drug-Resistant Tuberculosis in Guinea-Bissau, West Africa

  • Autores: Armada A, Gomes VF, Machado D, Mane M, Martins E, Ponce G, Rabna P, Ramos J, Sanca L, Vieira F
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/26017968

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Adaptive Potential of Hybridization among Malaria Vectors: Introgression at the Immune Locus TEP1 between Anopheles coluzzii and A. gambiae in ‘Far-West’ Africa

  • Autores: Caputo B, Dinis J, Gordicho V, Mancini E, Petrarca V, Pombi M, Rodrigues A, Spinaci MI, Vicente JL, Weetman D
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/26047479

“Far-West” Africa is known to be a secondary contact zone between the two major malaria vectors Anopheles coluzzii and A. gambiae. We investigated gene-flow and potentially adaptive introgression between these species along a west-to-east transect in Guinea Bissau, the putative core of this hybrid zone.
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Unravelling the Evolution of the Allatostatin-Type A, KISS and Galanin Peptide-Receptor Gene Families in Bilaterians: Insights from Anopheles Mosquitoes

  • Autores: Cardoso JCR, Felix RC, Fonseca VG, Martins RS, Pires IRP, Power DM, Silveira H, Trindade M
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/26135459

Allatostatin type A receptors (AST-ARs) are a group of G-protein coupled receptors activated by members of the FGL-amide (AST-A) peptide family that inhibit food intake and development in arthropods. Despite their physiological importance the evolution of the AST-A system is poorly described and relatively few receptors have been isolated and functionally characterised in insects.
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Polymorphisms in Plasmodium falciparum K13-Propeller in Angola and Mozambique after the Introduction of the ACTs

  • Autores: Arez AP, Dias F, Escobar C, Fernandes N, Lobo E, Lobo L, Nogueira F, Pateira S, Teodósio R, Varandas L
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/25789669

We report the presence of SNPs in Plasmodium falciparum K13-propeller gene in two African countries, Angola and Mozambique, where malaria is a serious public health problem.
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Performance of an In-House Human Immunodeficiency Virus Type 1 Genotyping System for Assessment of Drug Resistance in Cuba

  • Autores: Abrahantes Y, Aleman Y, Alvarez A, AM, Correa C, Fonseca C, K, Kour V, Perez J, Perez L, Schrooten, Soto Y, Van Laethem, Vandamme, Vinken L, Y
  • Ano de Publicação: 2015
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4324769/

As commercial human immunodeficiency virus type 1 drug resistance assays are expensive, they are not commonly used in resource-limited settings. Hence, a more affordable in-house procedure was set up taking into account the specific epidemiological and economic circumstances of Cuba. The performance characteristics of the in-house assay were evaluated using clinical samples with various subtypes and resistance patterns
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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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Cryptosporidium spp., Giardia duodenalis, Enterocytozoon bieneusi and other intestinal parasites in young children in Democratic Republic of São Tomé and Principe

  • Autores: Antunes F, Augusto J, Ceita J, Codices V, Lobo ML, Matos O, Xiao L
  • Ano de Publicação: 2014
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0097708

Rare systemic studies concerning prevalence of intestinal parasites in children have been conducted in the second smallest country in Africa, the Democratic Republic of São Tomé and Príncipe. Fecal specimens from 348 children (214 in-hospital attending the Aires de Menezes Hospital and 134 from Agostinho Neto village) in São Tome Island were studied by parasitological and molecular methods.
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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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Novel HIV-1 recombinants spreading across multiple risk groups in the United Kingdom: the identification and phylogeography of Circulating Recombinant Form (CRF) 50_A1D

  • Autores: Abecasis AB, Ambrose JC, Delpech VC, Fearnhill E, Foster GM, Geretti AM, Hué S, Leigh Brown AJ
  • Ano de Publicação: 2014
  • Journal: PLoS One
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/24454702

An increase in non-B HIV-1 infections among men who have sex with men (MSM) in the United Kingdom (UK) has created opportunities for novel recombinants to arise and become established. We used molecular mapping to characterize the importance of such recombinants to the UK HIV epidemic, in order to gain insights into transmission dynamics that can inform control strategies.
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