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Endothelin-1 receptors play a minor role in the protection against acute Trypanosoma cruzi infection in mice
Provedor de dados: 56
Autores: Roffê,E.; Souza,A.L.S.; Machado,P.P.; Barcelos,L.S.; Romanha,A.J.; Mariano,F.S.; Silva,J.S.; Machado,C.R.; Tanowitz,H.B.; Teixeira,M.M.
Chagas' disease, caused by the protozoan Trypanosoma cruzi, is a major cause of cardiovascular disability in countries where it is endemic. Damage to the heart microvasculature has been proposed to be an important factor in the pathogenesis of heart dysfunction. Endothelin-1 (ET-1) is a potent vasoconstrictor and exerts its effects via specific ET A and ET B receptors. A few studies have suggested a role for ET-1 and its receptors in the pathogenesis of Chagas' disease. We investigated the effects of treatment with bosentan, an ET A/ET B receptor antagonist, on the course of T. cruzi infection (Y strain) in C57Bl/6 mice. Treatment with bosentan (100 mg kg-1 day-1) was given per os starting day 0 after infection until sacrifice. Bosentan significantly...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Trypanosoma cruzi; Endothelin; Myocarditis; Chemokines.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000300015