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2099-12-31
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TRYPANOSOMA CRUZI: PARASITAEMIA PRODUCED IN MICE DOES NOT SEEM TO BE RELATED TO IN VITRO PARASITE-CELL INTERACTION.
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Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Departamento de Parasitologia. Belo Horizonte, MG, Brazil/Universidade Federal do Rio de Janeiro. Faculdade de Farmácia. Departamento de Análises Clínicas e Toxicológicas. Rio de Janeiro, RJ, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Universidade Federal de Santa Catarina. Departamento de Microbiologia e Parasitologia. Florianópolis, SC, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Universidade Federal de Santa Catarina. Departamento de Microbiologia e Parasitologia. Florianópolis, SC, Brazil
Fundação Oswaldo Cruz. Centro de Pesquisas Rene. Belo Horizonte, MG, Brazil
Abstract
The interaction of Trypanosoma cruzi strains producing subpatent or high parasitaemia in mice with mouse macrophages, Vero and L929 cells was evaluated using tissue culture trypomastigotes. Macrophages were the cells most readily infected while Vero cells presented the highest parasite intracellular multiplication rates. Subpatent strains were equal or more infective than the high parasitaemia. Due to the small number of strains, no correlation could be established between the zymodemes and parasitaemia or parasite±cell interaction in vitro. However parasitaemia in mice does not seem to be related to in vitro parasite± cell interaction.
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