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Título: | Trypanosoma cruzi : treatment with the iron chelator desferrioxamine reduces parasitemia and mortality in experimentally infected mice. |
Autor(es): | Arantes, Jerusa Marilda Pedrosa, Maria Lúcia Martins, Helen Rodrigues Veloso, Vanja Maria Lana, Marta de Bahia, Maria Terezinha Tafuri, Washington Luiz Carneiro, Cláudia Martins |
Data do documento: | 2007 |
Referência: | ARANTES, J. M. et al. Trypanosoma cruzi : treatment with the iron chelator desferrioxamine reduces parasitemia and mortality in experimentally infected mice. Experimental Parasitology, v. 117, n. 1, p. 43–50, set. 2007. Disponível em: <https://www.sciencedirect.com/science/article/pii/S001448940700080X>. Acesso em: 19 set. 2012. |
Resumo: | The effects of prolonged treatment with iron chelator (desferrioxamine) on the development of infection in mice inoculated with Y Trypanosoma cruzi were determined. Infected/treated mice presented lower levels of parasitemia and reduced mortality rate compared with infected/non-treated animals. The five out of twenty infected/treated mice that survived the acute phase of infection showed negative hemoculture and positive ELISA in the acute and chronic phases and positive PCR in the acute phase: in the chronic phase, three of the animals presented negative PCR. The single surviving infected/non-treated animal exhibited positive hemoculture, PCR and ELISA in both phases of infection. Infected groups presented lower levels of iron in the liver compared with treated/non-infected or non-treated/ non-infected animals. The serum iron levels of the infected/non-treated group were higher on the 21st day post-infection in comparison with control and infected/treated groups. These results suggest that decrease of iron in the host leads to T. cruzi infection attenuation. |
URI: | http://www.repositorio.ufop.br/handle/123456789/1406 |
ISSN: | 00144894 |
Licença: | O periódico Experimental Parasitology concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3281990280591. |
Aparece nas coleções: | DEACL - Artigos publicados em periódicos |
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