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Updated: Feb 12, 2026

Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
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Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

Published on: March 3, 2023

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Stability of allergens.

Judith Pekar1, Davide Ret2, Eva Untersmayr1

  • 1Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria.

Molecular Immunology
|April 3, 2018
PubMed
Summary
This summary is machine-generated.

Identifying unique features of potent allergens is crucial for assessing allergy risks. This review highlights molecular characteristics that stabilize proteins, contributing to IgE-mediated allergic reactions.

Keywords:
AllergenAllergen stabilityPosttranslational protein modificationProtein digestionProtein processingProtein sequenceProtein structure

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Area of Science:

  • Food science
  • Immunology
  • Protein chemistry

Background:

  • Proteins causing IgE-mediated allergic reactions share traits like small size and solubility, but these are not unique to allergens.
  • Regulatory bodies seek unique allergen characteristics for improved assessment, yet these remain elusive.
  • Allergen entry route significantly influences necessary protein properties.

Purpose of the Study:

  • To review and highlight specific molecular characteristics and patterns that enhance protein structural stability and contribute to allergenicity.
  • To differentiate between general protein properties and those uniquely associated with potent allergens.

Main Methods:

  • Literature review focusing on protein structure, stability, and allergenicity.
  • Analysis of factors influencing protein stability, including disulphide bonds, posttranslational modifications, and food matrix interactions.
  • Examination of the role of ligand binding in protein structural stability.

Main Results:

  • Common allergen features like solubility and stability are not exclusive to allergens.
  • Factors such as disulphide bonds, posttranslational modifications, and food matrix interactions influence allergen stability.
  • Ligand binding can also impact the structural stability of allergenic proteins.

Conclusions:

  • Elucidating unique allergen characteristics is essential for accurate allergenicity assessment.
  • Specific molecular patterns contributing to protein stabilization are key determinants of allergenicity.
  • Understanding these features can aid in managing the growing allergy pandemic.