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Related Experiment Videos

Protection tests against parasitic diseases.

M Joseph

    Comparative Immunology, Microbiology and Infectious Diseases
    |January 1, 1986
    PubMed
    Summary

    Identifying target antigens on parasite surfaces is key for developing effective vaccines. Research shows monoclonal antibodies against these antigens can protect against parasitic diseases like malaria, leishmaniasis, and schistosomiasis.

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    Area of Science:

    • Parasite immunology
    • Vaccinology
    • Molecular biology

    Background:

    • Recent advances in parasite immunology have focused on identifying pathogen surface antigens.
    • Understanding immune responses against parasites is crucial for disease control.

    Purpose of the Study:

    • To review progress in identifying protective parasite antigens.
    • To explore the potential for immunoprophylaxis against parasitic diseases.

    Main Methods:

    • Isolation and cloning of Plasmodium antigens (circumsporozoite and merozoite proteins).
    • Characterization and cloning of antigens from other parasites.
    • Use of monoclonal antibodies and anti-idiotype antibodies in protection studies.

    Main Results:

    • Monoclonal antibodies against Plasmodium antigens inhibited host cell invasion.
    • Antibody-dependent cell-mediated cytotoxicity (ADCC) involving IgE, eosinophils, macrophages, and platelets showed efficacy against schistosome larvae.
    • Transfer of specific antibodies induced significant protection against parasitic infections.

    Conclusions:

    • Targeting parasite surface antigens with antibodies offers a promising strategy for immunoprophylaxis.
    • Combining protective antigens with immunomodulators and adjuvants could lead to effective vaccination against parasitic diseases.

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