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Polymerized tree pollen antigens

R Patterson, I M Suszko, S G Hendrix

    The Journal of Allergy and Clinical Immunology
    |February 1, 1981
    PubMed
    Summary
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    Researchers developed polymerized tree antigens from tree pollen extracts. These antigens show therapeutic potential for allergies, similar to existing ragweed treatments, with reduced skin reactivity in sensitive individuals.

    Area of Science:

    • Immunology
    • Allergy Research
    • Biochemistry

    Background:

    • Tree pollen allergies affect a significant portion of the population.
    • Current treatments for pollen allergies include immunotherapy.
    • Polymerized allergens, like ragweed, have shown therapeutic promise.

    Purpose of the Study:

    • To prepare and characterize polymerized tree pollen antigens.
    • To evaluate the antigenicity and allergenicity of these preparations.
    • To assess their potential for immunotherapy.

    Main Methods:

    • Aqueous tree pollen extracts were partially purified.
    • Purified extracts were polymerized using established methods.
    • Antigenicity was assessed by skin reactivity in humans and immune response in rabbits.

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    Main Results:

    • Polymerized tree preparations were successfully created and demonstrated antigenicity.
    • These preparations elicited immediate-type skin reactivity in humans.
    • Polymerized tree antigen showed significantly reduced skin reactivity compared to monomer antigen in sensitive patients.
    • Both preparations induced similar immune responses in rabbits.

    Conclusions:

    • Polymerized tree antigens can be effectively prepared.
    • These antigens possess therapeutic potential for tree pollen allergies.
    • Reduced skin reactivity suggests improved safety profile for immunotherapy.