Canine antibody response to Lutzomyia longipalpis saliva in endemic area of visceral leishmaniasis

Canine exposure to Lutzomyia longipalpis bites and the potential of Leishmania infantum transmissibility for the vector were evaluated. Immunoglobulin G (IgG) anti-Lu longipalpis saliva and -L. infantum, and blood parasite load were determined in dogs from endemic areas of visceral leishmaniasis. Bl...

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Bibliographic Details
Published in:Revista da Sociedade Brasileira de Medicina Tropical 2016-05, Vol.49 (3), p.361-364
Main Authors: Batista, Luís Fábio da Silva, Matta, Vânia Lúcia Ribeiro da, Tomokane, Thaise Yumie, Pacheco, Acácio Duarte, Silveira, Fernando Tobias, Rossi, Claudio Nazaretian, Marcondes, Mary, Laurenti, Márcia Dalastra
Format: Article
Language:English
Subjects:
Animals
Anti-Lutzomyia longipalpis saliva antibody
Antibodies, Protozoan - blood
Brazil - epidemiology
Canine leishmaniasis
Disease transmission
Dog Diseases - diagnosis
Dog Diseases - epidemiology
Dog Diseases - transmission
Dogs
Female
Immunoglobulin G - blood
Leishmania infantum
Leishmania infantum - immunology
Leishmaniasis, Visceral - diagnosis
Leishmaniasis, Visceral - epidemiology
Leishmaniasis, Visceral - transmission
Leishmaniasis, Visceral - veterinary
Lutzomyia longipalpis
Mosquito Vectors - parasitology
Parasite Load
Parasites
Parasitic diseases
Parasitism
Psychodidae - parasitology
Saliva - chemistry
Transmissibility
TROPICAL MEDICINE
Urban Population
Vector-borne diseases
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Summary:Canine exposure to Lutzomyia longipalpis bites and the potential of Leishmania infantum transmissibility for the vector were evaluated. Immunoglobulin G (IgG) anti-Lu longipalpis saliva and -L. infantum, and blood parasite load were determined in dogs from endemic areas of visceral leishmaniasis. Blood parasitism was similar between symptomatic and asymptomatic dogs. IgG anti-L. infantum was higher in symptomatic dogs, but IgG anti-Lu. longipalpis saliva was mostly observed in higher titers in asymptomatic dogs, indicating vector preference for feeding on asymptomatic dogs. Our data suggest a pivotal role of asymptomatic dogs in L. infantum transmission in endemic areas.
ISSN:0037-8682
1678-9849
1678-9849
0037-8682
DOI:10.1590/0037-8682-0360-2015