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Home / Archives for Cristóvão JM

Neutralization-based seroprevalence of Toscana virus and sandfly fever Sicilian virus in dogs and cats from Portugal

  • Autores: Alwassouf S, Ayhan N, Bichaud L, Campino L, Charrel RN, Coimbra M, Cristóvão JM, Maia C, Richet H
  • Ano de Publicação: 2016
  • Journal: Journal of General Virology
  • Link: http://jgv.microbiologyresearch.org/content/journal/jgv/10.1099/jgv.0.000592#tab2

Sandfly-borne phleboviruses are endemic in the Mediterranean basin. However, levels of exposure of human and animal populations are inadequately researched. Toscana virus (TOSV) is present in Portugal where it causes human infection and disease; in contrast there are few data for sandfly fever Sicilian virus (SFSV) which has neither been isolated nor detected by molecular tests and […]
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In vitro and in vivo behaviour of sympatric Leishmania (V.) braziliensis, L. (V.) peruviana and their hybrids.

  • Autores: Campino L, Cortes S, Cristóvão JM, Esteves C, Maia C, Maurício I, Miles M
  • Journal: Parasitology
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=In+vitro+and+in+vivo+behaviour+of+sympatric+Leishmania+(V.)+braziliensis%2C+L.+(V.)+peruviana+and+their+hybrids.

Leishmania (Viannia) braziliensis is the main cause of highly disfiguring mucocutaneous leishmaniasis (MCL) in South America. The related species L. (V.) peruviana has only been identified in simple cutaneous lesions (CL). Hybrids between L. braziliensis and L. peruviana have been reported although genetic exchange in Leishmania is considered to be rare. Here we compared growth in vitro, adaptive capacity under thermal and oxidative stress and behaviour in a hamster model, of L. braziliensis, L. peruviana, and their putative hybrids. At 24°C, the optimal temperature for in vitro growth, L. braziliensis had the highest growth rate.
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Leishmania infection and host-blood feeding preferences of phlebotomine sandflies and canine leishmaniasis in an endemic European area, the Algarve Region in Portugal

  • Autores: Afonso MO, Campino L, Cristóvão JM, Dionísio L, Maia C, Neto L
  • Journal: Memórias do Instituto Oswaldo Cruz
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/23827997

The Algarve Region (AR) in southern Portugal, which is an international tourist destination, has been considered an endemic region of zoonotic leishmaniasis caused by Leishmania infantum since the 1980s. In the present study, phlebotomine and canine surveys were conducted to identify sandfly blood meal sources and to update the occurrence of Leishmania infection in vectors and dogs.
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Genetic diversity of human zoonotic leishmaniasis in Iberian Peninsula.

  • Autores: Campino L, Canavate C, Chicharro C, Cortes S, Cristóvão JM, Cruz I
  • Journal: Zoonoses and Public Health
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Genetic+Diversity+of+Human+Zoonotic+Leishmaniasis+in+Iberian+Peninsula

Leishmaniasis caused by Leishmania (Leishmania) infantum is a zoonotic disease endemic in South Europe, from Portugal to the Middle East. The aim of the present study was to investigate the genetic diversity of L. infantum parasites in Iberian Peninsula.
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Experimental canine leishmaniasis: clinical, parasitological and serological follow-up

  • Autores: Campino L, Cristóvão JM, Maia C, Nunes M
  • Journal: Acta Tropica
  • Link: http://www.ncbi.nlm.nih.gov/pubmed/?term=Experimental+canine+leishmaniasis%3A+clinical%2C+parasitological+and+serological+follow-up

Canine leishmaniasis (CanL) caused by Leishmania infantum is transmitted by the bite of phlebotomine sand flies and affects millions of dogs in Europe, Asia, North Africa and South America. Canis familiaris is the major host for these parasites, and the main reservoir for human visceral infection. The development of effective molecules for therapy and immunoprophylaxis, […]
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About GHTM

GHTM is a R&D Center that brings together researchers from IHMT 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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