Por favor, use este identificador para citar o enlazar este ítem:
https://www.arca.fiocruz.br/handle/icict/44157
Tipo
ArtículoDerechos de autor
Acceso abierto
Colecciones
- IOC - Artigos de Periódicos [12502]
Metadatos
Mostrar el registro completo del ítem
SPECIFIC ANTIBODY LEVELS AND ANTIGENIC RECOGNITION OF WISTAR RATS INOCULATED WITH DISTINCT ISOLATES OF TRYPANOSOMA EVANSI
Ratos Wistar
Reconhecimento antigênico
Teste indireto de anticorpos fluorescentes
Wistar rats
Antigenic recognition
Indirect fluorescent antibody test
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Protozoologia; Rio de Janeiro, RJ, Brasil.
Resumen en ingles
“Mal de Cadeiras”, an enzootic disease caused by Trypanosoma evansi, is one of the most important trypanosomiases in the Brazilian Pantanal region. The disease affects mainly horses, which are
widely used in extensive cattle production, an activity of greatest economical significance for the
region. The parasite also infects sylvan (coatis and capybaras) and domestic (dogs) animals, respectively considered wild and domestic reservoirs of T. evansi. For a better understanding of the interaction of T. evansi with its rodent host, we evaluated the differences in the specific antibody level patterns
and in the parasitic peptides recognition patterns of experimentally infected Wistar rats. The rats
experimentally infected with T. evansi isolates obtained from coatis, dogs and horses were submitted to
indirect immunofluorescence test (IgM e IgG) and Western blotting. The serological titers for IgM and
IgG ranged between 1:40 and 1:160. The most recognized polypeptide profiles were in a range of 17
and 74 kDa. Our data suggest that the humoral immune response in Wistar rats is not sufficient for
granting an effective control of T. evansi infections.
Palabras clave en portugues
Trypanosoma evansiRatos Wistar
Reconhecimento antigênico
Teste indireto de anticorpos fluorescentes
Palabras clave en ingles
Trypanosoma evansiWistar rats
Antigenic recognition
Indirect fluorescent antibody test
Compartir