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Home / Archives for 2013

2013

Echinococcus granulosus in Portugal: The first report of the G7 genotype in cattle

  • Autores: Beato S, Cringoli G, Gonçalves M, Grácio MA, Maurelli MP, Parreira R, Roque C, Silva L
  • Ano de Publicação: 2013
  • Journal: Veterinary Parasitology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/24035548

Although cystic echinococcosis (CE) has been a recognized public health problem in Portugal, molecular data regarding the types and prevalence of infecting strains of its etiological agent (Echinococcus granulosus) are still scarce. Over the last years we have been evaluating the prevalence of CE in the country, and in this report we determined the parasite genotypes infecting sheep, goats, cattle and human in Portugal.
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Distribution and hybridization of Culex pipiens forms in Greece during the West Nile virus outbreak of 2010

  • Autores: Almeida APG, Gomes B, Kioulos E, Papa A, Pinto J, Vontas J
  • Ano de Publicação: 2013
  • Journal: Infection Genetics and Evolution
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23466890

In 2010, an outbreak of West Nile virus (WNV) infections occurred in the region of Thessaloniki, Central Macedonia, in northern Greece. During this period, Culex pipiens sensu stricto mosquitoes were found infected by WNV lineage 2. Cx. pipiens s.s. presents two distinct biological forms, denoted molestus and pipiens.
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Lesser protein degradation machinery correlates with higher BM86 tick vac- cine efficacy in Rhipicephalus annulatus when compared to Rhipicephalus micro-plus

  • Autores: Almazán C, de la Fuente J, de Mera IGF, del Valle M, Domingos A, Marina A, Mateos-Hernández L, Popara M, Villar M
  • Ano de Publicação: 2013
  • Journal: Vaccine
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23973246

Infestations with cattle ticks, Rhipicephalus (Boophilus) microplus and Rhipicephalus annulatus, economically impact cattle production in tropical and subtropical regions of the world. Vaccines containing the recombinant R. microplus BM86 gut antigen were developed and commercialized to induce an immunological protection in cattle against tick infestations. These vaccines demonstrated that tick control by vaccination is cost-effective, reduces environmental contamination and prevents the selection of drug resistant ticks that result from repeated acaricide applications.
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Superinfection with drug-resistant HIV is rare and does not contribute substantially to therapy failure in a large European cohort

  • Autores: Abecasis AB, Assel M, Bartha I, Luca AD, Müller V, Paredes R, Rosi A, Schülter E, Sloot PMA, Sönner-borg A, Svärd J, Torti C, van de Vijver DC, Van Laethem K, Vandamme AM, Zazzi M
  • Ano de Publicação: 2013
  • Journal: Bmc Infectious Diseases
  • Link: http://www.biomedcentral.com/1471-2334/13/537/

Superinfection with drug resistant HIV strains could potentially contribute to compromised therapy in patients initially infected with drug-sensitive virus and receiving antiretroviral therapy. To investigate the importance of this potential route to drug resistance, we developed a bioinformatics pipeline to detect superinfection from routinely collected genotyping data, and assessed whether superinfection contributed to increased drug resistance in a large European cohort of viremic, drug treated patients.
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Civil society engagement in innovation and research through the European Public Health Association

  • Autores: Alexanderson K, Barnhoorn F, Conceicao C, Deville W, Grimaud O, Katreniakova Z, McCarthy M, Narkauskaité L, Saliba A, Sammut M, Voss M, Zeegers Paget D
  • Ano de Publicação: 2013
  • Journal: European journal of public health
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/24189790

The European Public Health Association (EUPHA) proposed and led PHIRE (Public Health Innovation and Research in Europe), with co-financing by the European Commission, to assess public health innovation and research at national level in Europe. PHIRE was also designed to promote organizational development and capacity building of EUPHA. We assess the success and limitations of using EUPHA’s participative structures.
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The 12th International Workshops on Opportunistic Protists (IWOP-12)

  • Autores: Calderon EJ, Cushion MT, Didier E, Kaneshiro ES, Marciano-Cabral F, Matos O, Sinai AP, Weiss LM, Xiao L
  • Ano de Publicação: 2013
  • Journal: Journal of Eukaryotic Microbiology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23560871

The 12th International Workshops on Opportunistic Protists (IWOP-12) was held in August 2012 in Tarrytown, New York. The objectives of the IWOP meetings are to: (1) serve as a forum for exchange of new information among active researchers concerning the basic biology, molecular genetics, immunology, biochemistry, pathogenesis, drug development, therapy, and epidemiology of these immunodeficiency-associated pathogenic eukaryotic microorganisms that are seen in patients with AIDS and (2) foster the entry of new and young investigators into these underserved research areas.
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Evaluation of the automatic editing tool RECall for HIV-1 pol and V3 loop sequences

  • Autores: Megens S, Schrooten Y, Van Laethem K, Vandamme AM, Vinken L
  • Ano de Publicação: 2013
  • Journal: Journal of Virological Methods
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23748120

Genotypic drug resistance testing is routine practice in HIV-1 clinical care. The visual interpretation of sequencing electropherograms is labour-intensive and subject to intra- and inter-assay variability because decisions are based on operators’ judgments. In this study the performance of the automatic editing tool RECall was compared to the current standard of editing manually and editing using the tool ViroSeq.
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The demise of multidrug- resistant HIV-1: The national time trend in Portugal

  • Autores: Aguas MJ, Camacho RJ, Carvalho AP, Duque LM, Faria D, Faria T, Mansinho K, Peres S, Teófilo E, Theys K, Valadas E, Vandamme AM, Vera J, Vercauteren J
  • Ano de Publicação: 2013
  • Journal: Journal of Antimicrobial Chemotherapy
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23228933

Despite a decreasing mortality and morbidity in treated HIV-1 patients, highly active antiretroviral treatment (HAART) can still fail due to the development of drug resistance. Especially, multidrug-resistant viruses pose a threat to efficient therapy. We studied the changing prevalence of multidrug resistance (MDR) over time in a cohort of HIV-1-infected patients in Portugal.
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Clinical Evaluation of Rega 8: An Updated Genotypic Interpretation System That Significantly Predicts HIV-Therapy Response

  • Autores: Beheydt G, Camacho R, Clotet B, De Luca A, Geretti AM, Grossman Z, Imbrechts S, Kaiser R, Libin P, Prosperi M, Schmit JC, Sönnerborg A, Torti C, Van Laethem K, Van Wijngaerden E, Vandamme AM, Vercauteren J, Zazzi M
  • Ano de Publicação: 2013
  • Journal: PLoS One
  • Link: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0061436

Clinically evaluating genotypic interpretation systems is essential to provide optimal guidance in designing potent individualized HIV-regimens. This study aimed at investigating the ability of the latest Rega algorithm to predict virological response on a short and longer period.
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Secondary syphilis mimicking inflammatory bowel disease

  • Autores: Borges-Costa J, Loreto H, Marques S, Vasconcelos P
  • Ano de Publicação: 2013
  • Journal: Sexually Transmitted Infections
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/22645392

This study reports the case of a 15-year-old male patient with extensive anal inflammation, cobblestone-like mucosa and areas of ulceration, loose bloody stool and weight loss for 8 weeks, suggestive of inflammatory bowel disease. Genital lesions of syphilides were later observed and Venereal Disease Research Laboratory test was positive, thus benzyl penicillin treatment was prescribed with total resolution of genital and bowel symptoms.
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