Survey for Trypanosoma cruzi infection in a municipality in Northeast Brazil

Hiroshi Tachibana, Kilma C. Paz, W. Hugo W. Landivar, Seiki Kobayashi, Luciano T. Montenegro, José Figuerêdo-Silva, Seiki Tateno

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3 Citations (Scopus)

Abstract

An epidemiological survey of Trypanosoma cruzi infection was carried out in Bodocó, located in the western part of the State of Pernambuco, Brazil. Two hundred and forty-one individuals were parasitologically and immunologically screened. Although hemoculture did not reveal the presence of parasites in the blood, the sera of 5 individuals were scored as positive by the indirect fluorescence antibody test and the enzyme-linked immunosorbent assay. Seropositivity in individuals above and below the age of 40 was 14.8 and 0.5%, respectively. These results indicate that recent infections with T. cruzi are rare in this area. However, since a T. cruzi-infected triatomid (Triatoma brasiliensis) was captured in a school classroom, this area must be considered endemic. When triatomid feces containing parasites were inoculated into a jird (mongolian gerbil), parasitemia appeared 10 days later. Immunohistochemical staining, using monoclonal antibody specific for T. cruzi, labeled organisms in jird tissues. These observations demonstrate that the jird is a suitable host for experimental T. cruzi infections and that monoclonal antibody is effective for detection of the parasite in host tissues.

Original languageEnglish
Pages (from-to)131-136
Number of pages6
JournalTokai Journal of Experimental and Clinical Medicine
Volume24
Issue number3
Publication statusPublished - 1999 Oct 1

Keywords

  • Immunohistochemistry
  • Jird
  • Monoclonal antibody
  • Serology
  • Trypanosoma cruzi

ASJC Scopus subject areas

  • Medicine(all)

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  • Cite this

    Tachibana, H., Paz, K. C., Landivar, W. H. W., Kobayashi, S., Montenegro, L. T., Figuerêdo-Silva, J., & Tateno, S. (1999). Survey for Trypanosoma cruzi infection in a municipality in Northeast Brazil. Tokai Journal of Experimental and Clinical Medicine, 24(3), 131-136.