4.5 Article

Naturally acquired visceral leishmaniasis in non-human primates in Brazil

Journal

VETERINARY PARASITOLOGY
Volume 169, Issue 1-2, Pages 193-197

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.vetpar.2009.12.016

Keywords

Callicebus nigrifrons; Leishmania; Leishmaniasis; Non-human primates

Funding

  1. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq, Brasilia, Brazil)
  2. FAPEMIG (Fundacao de Amparo a Pesquisa do Estado de Minas Gerais, Belo Horizonte, Brazil)

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Visceral leishmaniasis (VL) is a chronic and often fatal protozoal disease that is endemic in Belo Horizonte (State of Minas Gerais, Brazil). Leishmania sp. is an intracellular obligatory parasite of macrophages that can naturally infect several mammalian species. Non-human primates (NHP) have been used as experimental models for infection with Leishmania of the donovani complex. The present report describes a case of visceral leishmaniasis in a black-fronted titi. Among 41 primates kept in captivity in a zoo in Belo Horizonte (State of Minas Gerais, Brazil), one animal, a black-fronted titi (Callicebus nigrifrons), was positive for Leishmania chagasi infection by PCR and immunohistochemistry, and developed a fatal disease with clinical signs and lesions compatible with VL. Other 17 NHP, including six black-fronted titis (C. nigrifrons), one howler monkey (Alouatta guariba), three golden-bellied capuchins (Cebus xanthosternos), one golden-headed lion tamarin (Leontopithecus crysomelas), one black-headed owl monkey (Aotus nigriceps), two Rio Tapajos sakis (Pithecia irrorata) and three emperor tamarins (Saguinus imperator) had blood samples that tested positive for amplification of Leishmania kDNA by PCR, although these NPH had no clinical signs of the disease. (C) 2009 Elsevier B.V. All rights reserved.

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