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Home / Archives for Veterinary Parasitology

Leishmania infantum strains from cats are similar in biological properties to canine and human strains

  • Authors: André Pereira, Ricardo Parreira, José Manuel Cristóvão, Fabrizio Vitale, Patrick Bastien, Lenea Campino, Carla Maia
  • Publication Year: 2021
  • Journal: Veterinary Parasitology, vol 298, art 109531
  • Link: https://doi.org/10.1016/j.vetpar.2021.109531

HIGHLIGHTS • Feline Leishmania strains are phenotypically similar to those from humans and dogs. • Feline, canine, and human strains have a identical susceptibility to drugs. • Parasites isolated from cats can infect feline, canine, and human macrophages. • Feline macrophages are permissive to strains isolated from dogs and humans. ABSTRACT Zoonotic visceral leishmaniosis is a […]
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Epidemiological and genetic studies suggest a common Leishmania infantum transmission cycle in wildlife, dogs and humans associated to vector abundance in Southeast Spain

  • Authors: Risueño J, Ortuño M, Pérez-Cutillas P, Goyena E, Maia C, Cortes S, Campino L, Bermal LJ, Muñoz C, Arcenillas I, Martínez-Rondán FJ, Gonzálvez M, Collantes F, Ortiz J, Martínez-Carrasco C, Berriatua E
  • Publication Year: 2018
  • Journal: Veterinary Parasitology
  • Link: https://www.sciencedirect.com/science/article/pii/S0304401718301997

Leishmania infantum infection was investigated in 202 wild carnivores, rodents and lagomorphs in Southeast Spain using a real-time PCR (rtPCR) in skin and organ samples, mostly spleen. Lesions compatible with leishmaniosis were not observed in any of the animals. Prevalence defined as the percentage of rtPCR-positive animals was 32% overall, and 45% in foxes (n = 69), 30% […]
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Canine neutrophils activate effector mechanisms in response to Leishmania infantum

  • Authors: Alexandre-Pires G, da Fonseca IP, Martins C, Passero F, Pereira M, Rocha H, Rodrigues A, Santos A, Santos M, Santos-Gomes G, Santos-Mateus D, Tomas A, Valério-Bolas A
  • Publication Year: 2017
  • Journal: Veterinary Parasitology
  • Link: https://www.ncbi.nlm.nih.gov/pubmed/29173534

Canine leishmaniosis caused by L. infantum is a severe zoonotic disease. Although macrophages are the definitive host cells, neutrophils are the first cells to encounter the parasite soon after its inoculation in the dermis by the phlebotomine vector. To study the interaction of dog neutrophils and L. infantum promastigotes, blood neutrophils were isolated from healthy […]
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Dirofilaria immitis and Angiostrongylus vasorum: The current situation of two major canine heartworms in Portugal

  • Authors: Alho AM, Meireles J, Schnyder M, Cardoso L, Belo S, Deplazes P, de Carvalho LM
  • Publication Year: 2018
  • Journal: Veterinary Parasitology
  • Link: https://www.sciencedirect.com/science/article/pii/S0304401718300165?via%3Dihub%20

Cardiopulmonary nematodes are life-threatening pet parasites increasingly reported throughout Europe, with overlapping endemic areas. Dirofilaria immitis is a mosquito-borne whilst Angiostrongylus vasorum is a snail-borne pathogen. Both adult nematodes reside in the pulmonary arteries and right cardiac ventricle of domestic and wild canids, causing a wide spectrum of clinical presentations ranging from cough, dyspnoea and […]
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Unraveling Sarcocystis miescheriana and Sarcocystis suihominis infections in wild boar

  • Authors: Amaro A, Coelho C, Gomes J, Inácio J, Lopes AP, Mesquita JR, Pires I, Vieira-Pinto M
  • Publication Year: 2015
  • Journal: Veterinary Parasitology
  • Link: https://www.sciencedirect.com/science/article/pii/S0304401715003982?via%3Dihub%20

Sarcocystis species are worldwide spread cyst-forming protozoa that can infect wild boar but little is known about the prevalence of these parasites. In this study we assessed the prevalence of Sarcocystis spp. infections in wild boars from northeastern Portugal, for which novel PCR testing assays targeting Sarcocystis genus, S. miescheriana and S. suihominis were implemented, […]
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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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