Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/handle/123456789/7268
Title: Qualitative and quantitative immunohistochemical evaluation of iNOS expression in the spleen of dogs naturally infected with leishmania chagasi.
Authors: Santos, Fernando Rocha dos
Vieira, Paula Melo de Abreu
Oliveira, Rodrigo Corrêa de
Giunchetti, Rodolfo Cordeiro
Carneiro, Claudia Martins
Reis, Alexandre Barbosa
Malaquias, Luiz Cosme Cotta
Issue Date: 2011
Citation: SANTOS, F. R. et al. Qualitative and quantitative immunohistochemical evaluation of iNOS expression in the spleen of dogs naturally infected with leishmania chagasi. Parasitology Research, v. 108, p.1397-1403, 2001. Disponível em: <http://link.springer.com/article/10.1007/s00436-010-2183-5>. Acesso em: 10 out. 2016.
Abstract: Nitric oxide (NO), the product of the nitric oxide synthase enzymes has been detected in Leishmania-infected animals. Besides its role on the immunity to infection, the role of NO and the inducible nitric oxide synthase (iNOS) in the pathogenesis of canine visceral leishmaniasis (CVL) is not well understood. This study aimed at evaluating immunohistochemically the iNOS expression in the spleen of dogs naturally infected (ID) with Leishmania (L.) chagasi compared with non-infected dogs (NID). The ID was grouped according to the clinical form and the parasite load. Symptomatic dogs (SD) presented higher parasite load in relation to oligosymptomatic (OD) and asymptomatic (AD). The qualitative expression of iNOS was observed only in ID. SD presented strong and prominent labeling of iNOS, followed by OD and AD. Quantitatively, the results showed that the median expression of iNOS was higher in SD and OD compared to NID. Also, dog spleens with high parasitism load showed marked iNOS expression. Taken together, the results suggest that the expression of iNOS in the spleen of infected dogs with CVL was associated with clinical worsening of the disease and with high parasitism.
URI: http://www.repositorio.ufop.br/handle/123456789/7268
metadata.dc.identifier.uri2: http://link.springer.com/article/10.1007/s00436-010-2183-5
ISSN: 14321955
Appears in Collections:DEFAR - Artigos publicados em periódicos

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