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Seroprevalence and molecular detection of Leishmania chagasi of epidemic area for canine visceral leishmaniasis in São Paulo State

Grant number: 11/14425-8
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2012
Effective date (End): February 28, 2014
Field of knowledge:Agronomical Sciences - Veterinary Medicine - Preventive Veterinary Medicine
Principal researcher:Helio Langoni
Grantee:Carla Janeiro Coiro
Home Institution: Faculdade de Medicina Veterinária e Zootecnia (FMVZ). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


The canine visceral leishmaniasis (LCV), known as the American visceral leishmaniasis (LVA) or kala-azar is a anthropozoonosis caused by the flagellate protozoan of the genus Leishmania, with worldwide distribution. In Brazil, the agent responsible for the disease is Leishmania (Leishmania) chagasi, transmitted by the bite of the female of the species Lutzomyia longipalpis , and the main reservoir is the domestic dog. It is a severe systemic disease, with chronic and slow course and complex diagnostic. Among the strategies for control of LVC are the canine serological survey, with the elimination of reagents dogs, and different techniques can be used to diagnose this disease. Many advances have occurred in recent years, but about the tests available for diagnosis, none had 100% sensitivity and specificity. In this context, this project aims to determine the prevalence of antibodies to L. chagasi in 164 dogs captured by the CCZ, Bauru, SP, epidemic area for LVC, to compare the techniques of indirect immunofluorescence, enzyme immunoassay (ELISA) and direct agglutination (DAT) to determine the parasite burden by PCR in real time from puncture of the popliteal lymph node and bone marrow of animals serologically positive, and identify potential genotypic variants of L. chagasi from the sequencing in order to contribute to the diagnosis of canine visceral leishmaniasis, from the analysis obtained for the different tests as well as for assessment of symptoms presented by the animals. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
COIRO, Carla Janeiro. Caracterização genotípica de amostras de Leishmania spp. isoladas de área endêmica para Leishmaniose Visceral Canina no estado de São Paulo. 2014. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Medicina. Botucatu Botucatu.

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