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. 1978 Jun;64(3):475-82.

Tissue tropism of different Trypanosoma cruzi strains

  • PMID: 96243

Tissue tropism of different Trypanosoma cruzi strains

R C Melo et al. J Parasitol. 1978 Jun.

Abstract

A systematic study of the distribution of intracellular parasites in the organs and tissues was performed in groups of mice inoculated with 4 different Trypanosoma cruzi strains. An extremely high parasitism of spleen, liver, and bone marrow was observed in mice inoculated with Y and Berenice strains; with CL strain, however, parasites were almost absent in those organs. Bloodstream forms apparently present differences which facilitate or prevent their uptake by macrophages from the mononuclear phagocytic system. Parasitism of the smooth muscle from hollow organs was significantly higher with ABC and Berenice strains than with Y and CL. The importance of the distribution of intracellular stages in the pathogenesis of the disease is discussed.

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