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Related Experiment Videos

Immunity to schistosomes: progress toward vaccine.

A Capron1, J P Dessaint, M Capron

  • 1Centre d'Immunologie et de Biologie Parasitaire, Unité Mixte INSERM 167-CNRS 624, Institut Pasteur, Lille, France.

Science (New York, N.Y.)
|November 20, 1987
PubMed
Summary

Schistosomiasis vaccination shows promise, with a key 28-kilodalton antigen demonstrating immunogenicity in humans and protection in animal models. Understanding immune evasion mechanisms is crucial for developing effective vaccines against this parasitic infection.

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Area of Science:

  • Parasitology
  • Immunology
  • Vaccinology

Background:

  • Schistosomiasis is a major parasitic disease with significant global health impact.
  • Developing a human vaccine for schistosomiasis is a key goal in parasitic disease control.
  • Immunity to schistosomiasis involves a complex interplay of protective and regulatory mechanisms.

Purpose of the Study:

  • To explore the mechanisms of immunity and immune evasion in schistosomiasis.
  • To identify potential vaccine candidates for schistosomiasis.
  • To evaluate the protective efficacy of candidate antigens in experimental models.

Main Methods:

  • Analysis of immune responses in experimental models and human infections.
  • Characterization of schistosome antigens and their immunogenicity.

Related Experiment Videos

  • Assessment of vaccine candidate protection in mice, rats, and baboons.

    • Main Results:

    • Immune attack involves cell-mediated responses and antibody-dependent cell-mediated cytotoxicity.
    • Parasite immune evasion strategies include antigen variation and cross-reactive molecule secretion.
    • A 28-kilodalton schistosome antigen is immunogenic in humans and protective in multiple animal models.

    Conclusions:

    • Schistosomiasis vaccination is a promising strategy, with a 28 kDa antigen as a strong candidate.
    • Understanding immune evasion is critical for overcoming challenges in vaccine development.
    • Further research into immune mechanisms will aid in designing effective schistosomiasis vaccines.