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Schistosoma mansoni: immunodepression of hepatic schistosome granuloma formation in mice infected by Trypanosoma cruzi

Abstracts

Infection by Trypanosoma cruzi in mice depresses hepatic granuloma formation around Schistosoma mansoni eggs. This immunodepressive effect occurred in mice with Chagas' disease at the acute and/or chronic phases, granulomas being signijicantly smaller than those in Controls. Data suggest that Chagas ' disease depresses the delayed hypersensitivity immune response directly.

Schistosoma mansoni; Immunodepression; Granuloma; Trypanosoma cruzi


A infecção de camundongos pelo Trypanosoma cruzi inibe a formação do granuloma hepático esquistossomótico. Este efeito imunodepressor ocorreu em camundongos com a fase aguda ou crônica da doença de Chagas, sendo os granulomas significativamente menores que nos animais controles. Os dados sugerem que a doença de Chagas deprime diretamente a imunidade celular.

Schistosoma mansoni; Imunodepressão; Granuloma; Trypanosoma cruzi


ARTICLES

Schistosoma mansoni: immunodepression of hepatic schistosome granuloma formation in mice infected by Trypanosoma cruzi* * This study was supported by CNPq and FINEP, Brazil.

O. GenaroI; Z. BrenerII; P.M.Z. CoelhoIII

IDepartamento de Patologia Tropical/INPA, Manaus

IICentro de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte

IIIDepartamento de Parasitologia, ICB/UFMG, Belo Horizonte

Adress to correspondence Endereço para correspondência: Prof? Paulo Marcos Z. Coelho Departamento de Parasitologia ICB/UFMG Caixa Postal 2486 30000 Belo Horizonte, MG.

ABSTRACT

Infection by Trypanosoma cruzi in mice depresses hepatic granuloma formation around Schistosoma mansoni eggs. This immunodepressive effect occurred in mice with Chagas' disease at the acute and/or chronic phases, granulomas being signijicantly smaller than those in Controls. Data suggest that Chagas ' disease depresses the delayed hypersensitivity immune response directly.

Keywords:Schistosoma mansoni. Immunodepression. Granuloma. Trypanosoma cruzi.

RESUMO

A infecção de camundongos pelo Trypanosoma cruzi inibe a formação do granuloma hepático esquistossomótico. Este efeito imunodepressor ocorreu em camundongos com a fase aguda ou crônica da doença de Chagas, sendo os granulomas significativamente menores que nos animais controles. Os dados sugerem que a doença de Chagas deprime diretamente a imunidade celular.

Palavras-chave:Schistosoma mansoni. Imunodepressão. Granuloma. Trypanosoma cruzi.

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Recebido para publicação em 26/6/1985.

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  • Endereço para correspondência:
    Prof? Paulo Marcos Z. Coelho
    Departamento de Parasitologia
    ICB/UFMG
    Caixa Postal 2486
    30000 Belo
    Horizonte, MG.
  • *
    This study was supported by CNPq and FINEP, Brazil.
  • Publication Dates

    • Publication in this collection
      06 June 2013
    • Date of issue
      Mar 1986

    History

    • Accepted
      26 June 1985
    • Received
      26 June 1985
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