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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/13796

Title: Capillaria hepatica in rats: focal parasitic hepatic lesions and septal fibrosis run independent courses
Other Titles: Memórias do Instituto Oswaldo Cruz
Authors: Gomes, Ana Thereza
Cunha, Liliane Monteiro
Bastos, Carla Guimarães
Medrado, Bruno Frederico
Assis, Bárbara C. A.
Andrade, Zilton de Araújo
Keywords: Capillaria hepatica;Septal fibrosis;Rats;Corticosteroids;Antigenic stimulation
Issue Date: 2006
Abstract: Capillaria hepatica causes two main lesions in the liver of rats: multifocal chronic inflammation, directly related to the presence of disintegrating parasites and their eggs, and a process of systematized septal fibrosis. The comparative behavior of these two lesions was investigated in rats experimentally infected with 600 embryonated eggs, following either corticosteroid treatment or specific antigenic stimulation, in an attempt to understand the relationship between these two lesions, and the pathogenesis of septal fibrosis. The two treatments differently modified the morphological aspects of the focal parasitic-related lesions, but did not interfere with the presentation of diffuse septal fibrosis, although a mild decrease in the degree of fibrosis occurred in corticoid-treated animals. These findings indicate that although the two lesions are C. hepatica induced, they are under different pathogenetic control, the induction of septal fibrosis being triggered during early infection to follow an independent pathway.
Description: p. 895-898
URI: http://repositorio.ufba.br/ri/handle/ri/13796
ISSN: 0074-0276
Appears in Collections:Artigos Publicados em Periódicos (Medicina)

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