Trypanosoma cruzi check for this species in other resources - Trypanosoma rangeli check for this species in other resources - protective effect - Chagas disease - parasitemia level"/>
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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 98, No. 4, 2003, pp. 543-548
Bioline Code: oc03118
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 98, No. 4, 2003, pp. 543-548

 en Action of Trypanosoma rangeli check for this species in other resources in Infections with Virulent Trypanosoma cruzi check for this species in other resources Populations
MT Paláu; AJ Mejía; U Vergara & CA Zúñiga

Abstract

In experimental murine infections with Trypanosoma rangeli check for this species in other resources it has been observed development immune response to Trypanosoma cruzi check for this species in other resources . The aim of the present work was to analyze the result of antigenic stimuli and the protective effect with T. rangeli in T. cruzi infections. Mice groups immunized with metacyclic trypomastigotes of T. rangeli (Choachí-2V strain), derived from haemolymph and salivary gland and reinfected with T. cruzi virulent populations (Tulahuen strain, SA strain and Dm28c clone) from infected in vitro cells, showed decrease severity of disease outcomes, low parasitemia levels and 100% survival of all mice immunized, in comparison with groups infected only with T. cruzi populations, which demonstrated tissue affection, high parasitemia levels and the death of all animals. The above mentioned data contribute to understand the biological behaviour of T. cruzi and T. rangeli and their interaction with vertebrate host.

Keywords
Trypanosoma cruzi check for this species in other resources - Trypanosoma rangeli check for this species in other resources - protective effect - Chagas disease - parasitemia level

 
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