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Tree nut allergens.

Kenneth H Roux1, Suzanne S Teuber, Shridhar K Sathe

  • 1Department of Biological Science and Institute of Molecular Biophysics, Florida State University, Tallahassee, Fla. 32306-4370, USA. roux@bio.fsu.edu

International Archives of Allergy and Immunology
|August 14, 2003
PubMed
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Tree nut allergies can be severe. This review details major and minor allergens, including storage proteins and panallergens, responsible for tree nut allergy sensitization and reactions.

Area of Science:

  • Food allergy research
  • Immunology
  • Nutritional science

Background:

  • Tree nut allergies pose significant health risks, necessitating detailed allergen characterization.
  • Recent research focuses on identifying specific allergens responsible for sensitization and triggering reactions.
  • Understanding allergen profiles is crucial for managing and preventing severe allergic responses.

Purpose of the Study:

  • To review and characterize the major and minor allergens in commonly allergenic tree nuts.
  • To describe the IgE-reactive epitopes of identified nut allergens.
  • To discuss cross-reactivity patterns and the role of panallergens in tree nut allergy.

Main Methods:

  • Literature review of studies identifying and characterizing tree nut allergens.

Related Experiment Videos

  • Analysis of native and recombinant allergen data, including epitope mapping.
  • Compilation of information on allergen prevalence and cross-reactivity.

    • Main Results:

    • Identified major allergens include legumins, vicilins, and 2S albumins (seed storage proteins).
    • Minor allergens like lipid transfer proteins, profilins, and Bet v 1-related proteins are discussed as panallergens.
    • Cross-reactivity with other foods and pollens is a key feature of minor allergens.
    • Commonly allergenic nuts include hazelnut, walnut, cashew, and almond; less common ones are also reviewed.

    Conclusions:

    • Tree nut allergies are complex, involving both major storage proteins and minor panallergens.
    • Characterization of these allergens is vital for accurate diagnosis and effective treatment strategies.
    • Further research into allergen epitopes and cross-reactivity will improve clinical management of tree nut allergies.