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Related Experiment Videos

Allergy to white potato.

M C Castells, C Pascual, M M Esteban

    The Journal of Allergy and Clinical Immunology
    |December 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    This study investigates rare allergies to potato and its pollen in a child. It identifies specific potato proteins causing allergic reactions, aiding in understanding cross-reactivity.

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    Area of Science:

    • Immunology
    • Food Allergy Research

    Background:

    • Potato allergy is rare, and potato pollen allergy is even rarer.
    • Investigating cross-reactivity patterns of potato antigens is crucial for understanding complex allergic responses.

    Observation:

    • An 11-year-old girl experienced anaphylaxis upon first potato ingestion at 5 months.
    • She developed systemic reactions including urticaria, angioedema, and respiratory symptoms from potato contact, ingestion, and pollen exposure.

    Findings:

    • Allergenic extracts from potato pulp, peel, and pollen were analyzed using electrophoresis and isoelectric focusing.
    • Immunoglobulin E (IgE)-mediated allergy was confirmed through skin tests, RAST, and histamine release assays.
    • Specific IgE antibodies targeted potato proteins between 14,000 and 40,000 daltons.

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    Implications:

    • This research highlights the potential for severe allergic reactions to potato and its pollen.
    • Understanding the specific allergenic proteins in potato can lead to improved diagnostic tools and targeted therapies for potato allergy.
    • The findings contribute to the broader knowledge of food allergies and cross-reactivity phenomena.