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Impact of antifibrotic treatment on the course of Schistosoma mansoni infection in murime model
Mem. Inst. Oswaldo Cruz ; 92(5): 693-7, Sept.-Oct. 1997. graf
Artículo en Inglés | LILACS | ID: lil-194218
RESUMO
Administration of an antifibrotic agent as an adjunct to antihelmintic treatment with the objective of morbidity reduction was investigated in the nurine schistosomiasis mansoni model. Antifibrotic, ß-aminopropionitrile treatment has a profound effect on the cellular composition of the liver granuloma of Schistosoma mansoni infected mice when given alone, resulting in increase macrophage infiltration. These macrophages, in response to stimulation with soluble egg antigen or lipopolysaccharide produced elevated levels of nitric oxide but low levels of tumor necrosis factor alpha compared to untreated infected mice. This also correlated with reduced liver granuloma size. In spite of low numbers of eggs in the liver, mice receiving a combine treatment had a high level of resistance to a challenge infection compared with mice receiving only praziquantel. Those mice also exhibited a reduced lymphocyte proliferative response, similar to that of infected untreated mice. Antifibrotic treatment has an impact on the dynamic of the cellular nature of granulomas and impacts on the host immunity to infection.
Asunto(s)
Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Esquistosomiasis / Fibrosis / Aminopropionitrilo Tipo de estudio: Estudio pronóstico Límite: Animales Idioma: Inglés Revista: Mem. Inst. Oswaldo Cruz Asunto de la revista: Medicina Tropical / Parasitología Año: 1997 Tipo del documento: Artículo

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Esquistosomiasis / Fibrosis / Aminopropionitrilo Tipo de estudio: Estudio pronóstico Límite: Animales Idioma: Inglés Revista: Mem. Inst. Oswaldo Cruz Asunto de la revista: Medicina Tropical / Parasitología Año: 1997 Tipo del documento: Artículo