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Home / Archives for Do Rosário VE

Approaches towards tick and tick-borne diseases control

  • Authors: Antunes S, Borges L, Do Rosário VE, Domingos A
  • Publication Year: 2013
  • Journal: Revista da Sociedade Brasileira de Medicina Tropical
  • Link: http://www.scielo.br/scielo.php?pid=S0037-86822013000300265&script=sci_arttext

Ticks are obligate haematophagous ectoparasites of wild and domestic animals as well as humans, considered to be second worldwide to mosquitoes as vectors of human diseases. Tick-borne diseases are responsible worldwide for great economic losses in terms of mortality and morbidity of livestock animals. This review concerns to the different tick and tick-parasites control methods having a major focus on vaccines.
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Genetic diversity and signatures of selection of drug resistance in Plasmodium populations from both human and mosquito hosts in continental Equatorial Guinea

  • Authors: Arez AP, Benito A, Berzosa P, Cano J, de Sousa B, Do Rosário VE, Gonzalez V, Mendes C, Salgueiro P
  • Publication Year: 2013
  • Journal: Malaria Journal
  • Link: http://www.malariajournal.com/content/12/1/114

In Plasmodium, the high level of genetic diversity and the interactions established by co-infecting parasite populations within the same host may be a source of selection on pathogen virulence and drug resistance. As different patterns have already been described in humans and mosquitoes, parasite diversity and population structure should be studied in both hosts to properly assess their effects on infection and transmission dynamics. This study aimed to characterize the circulating populations of Plasmodium spp and Plasmodium falciparum from a combined set of human blood and mosquito samples gathered in mainland Equatorial Guinea. Further, the origin and evolution of anti-malarial resistance in this area, where malaria remains a major public health problem were traced.
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A review of antimalarial plants used in traditional medicine in communities in Portuguese-speaking countries: Brazil, Mozambique, Cape Verde, Guinea-Bissau, São Tomé and Príncipe and Angola.

  • Authors: Amaral AC, Canto-Cavalheiro MM, de Moura DF, Do Rosário VE, Figueiredo P, Lopes D, Machado M, Neto Z, Ramos A de S, Silva JR
  • Journal: Memórias do Instituto Oswaldo Cruz
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=A+review+of+antimalarial+plants+used+in+traditional+medicine+in+communities+in+Portuguese-Speaking+countries%3A+Brazil%2C+Mozambique%2C+Cape+Verde%2C+Guinea-Bissau%2C+Sao+Tome+and+Principe+and+Angola

The isolation of bioactive compounds from medicinal plants, based on traditional use or ethnomedical data, is a highly promising potential approach for identifying new and effective antimalarial drug candidates.
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Malaria: looking for selection signatures in the human PKLR gene region

  • Authors: Amorim A, Arez AP, Do Rosário VE, Fernandes N, Gusmão L, Manco L, Miranda J, Pereira R, Rocha AM
  • Journal: British Journal of Haematology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Malaria%3A+looking+for+selection+signatures+in+the+human+PKLR+gene+region

The genetic component of susceptibility to malaria is both complex and multigenic and the better-known protective polymorphisms are those involving erythrocyte-specific structural proteins and enzymes. In vivo and in vitro data have suggested that pyruvate kinase deficiency, which causes a nonspherocytic haemolytic anaemia, could be protective against malaria severity in humans, but this hypothesis remains […]
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Analysis of malaria associated genetic traits in Cabo Verde, a melting pot of European and sub Saharan settlers

  • Authors: Alves J, Amorim A, Arez AP, Faustino P, Gonçalves N, Gusmão L, Manco L, Silva J, Do Rosário VE, Ribeiro L, Machado P
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Analysis+of+malaria+associated+genetic+traits+in+Cabo+Verde%2C+a+melting+pot+of+European+and+sub+Saharan+settlers

Malaria has occurred in the Cabo Verde archipelago with epidemic characteristics since its colonization. Nowadays, it occurs in Santiago Island alone and though prophylaxis is not recommended by the World Health Organization, studies have highlight the prospect of malaria becoming a serious public health problem as a result of the presence of antimalarial drug resistance associated with mutations in the parasite populations and underscore the need for tighter surveillance.
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About GHTM

GHTM is a R&D Unit that brings together researchers 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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