Detection of human antibodies against Plasmodium falciparum antigens in blood meals of anopheline mosquitoes.

C. E. Contreras, J. C. Beier

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Human IgG antibodies against Plasmodium falciparum asexual stages, gametocytes and sporozoites were detected by indirect fluorescent antibody (IFA) techniques in the blood meals of Anopheles gambiae s.l. from a malaria-endemic area of western Kenya. Field-collected mosquitoes, which had been stored dry for over 2 years, were screened first for human IgG by ELISA. In 141 blood meal samples from human-fed mosquitoes, the prevalence of stage-specific antibodies was 87.9% for asexual-stage parasites, 78.0% for gametocytes, and 87.9% for sporozoites. There were no differences in the prevalence of stage-specific antibodies for mosquitoes collected from 2 sites, before and after the long rainy season of 1988. The detection of specific human antibodies in mosquito blood meals by IFA, or by more efficient methods, may provide alternative approaches for large-scale, epidemiologic studies of malaria and other vector-borne diseases.

Original languageEnglish (US)
Pages (from-to)252-255
Number of pages4
JournalJournal of the American Mosquito Control Association
Volume8
Issue number3
StatePublished - Sep 1992
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Public Health, Environmental and Occupational Health
  • Insect Science

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