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Action of Trypanosoma rangeli in infections with virulent Trypanosoma cruzi populations
Paláu, M. T; Mejía, A. J; Vergara, U; Zúñiga, C. A.
  • Paláu, M. T; Universidad Nacional de Colombia. Facultad de Ciencias. Departamento de Biología. Bogotá. CO
  • Mejía, A. J; Universidad Nacional de Colombia. Facultad de Ciencias. Departamento de Biología. Bogotá. CO
  • Vergara, U; Facultad de Veterinaria. Departamento de Medicina Preventiva. Unidad de Inmunología. Santiago. CL
  • Zúñiga, C. A; Facultad de Veterinaria. Departamento de Medicina Preventiva. Unidad de Inmunología. Santiago. CL
Mem. Inst. Oswaldo Cruz ; 98(4): 543-548, June 2003. ilus, graf
Article in English | LILACS | ID: lil-344252
ABSTRACT
In experimental murine infections with Trypanosoma rangeli it has been observed development immune response to Trypanosoma cruzi. 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 percent 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
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Trypanosoma / Chagas Disease / Parasitemia Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2003 Type: Article / Project document Affiliation country: Brazil / Colombia Institution/Affiliation country: Facultad de Veterinaria/CL / Universidad Nacional de Colombia/CO

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Full text: Available Index: LILACS (Americas) Main subject: Trypanosoma / Chagas Disease / Parasitemia Limits: Animals Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2003 Type: Article / Project document Affiliation country: Brazil / Colombia Institution/Affiliation country: Facultad de Veterinaria/CL / Universidad Nacional de Colombia/CO