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Humanized Mediator Release Assay as a Read-Out for Allergen Potency
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New Biomarkers in Anaphylaxis (Beyond Tryptase).

P Galvan-Blasco1,2, J Gil-Serrano1,2, A Sala-Cunill1,2,3

  • 1Allergy Section, Department of Internal Medicine, Hospital Universitari Vall d'Hebron, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain.

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PubMed
Summary

This review explores anaphylaxis, detailing its mechanisms, cells, and biomarkers beyond IgE. Understanding these pathways aids in personalized medicine for anaphylactic reactions and risk stratification.

Keywords:
AnaphylaxisBiomarkersContact systemMast cellMediatorsTryptase

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Area of Science:

  • Immunology
  • Allergy
  • Pathophysiology

Background:

  • Anaphylaxis is a severe allergic reaction with complex underlying mechanisms.
  • Current understanding often focuses on IgE-dependent pathways, but other mechanisms are increasingly recognized.

Purpose of the Study:

  • To elucidate the pathophysiology of anaphylaxis, including mechanisms, effector cells, and biomarkers.
  • To explore potential biomarkers beyond tryptase and investigate non-IgE-dependent pathways.

Main Methods:

  • This is a review article, synthesizing existing research on anaphylaxis.
  • Literature search focused on anaphylaxis pathophysiology, cellular mechanisms, and biomarkers.

Main Results:

  • Identified various mediators and cellular pathways involved in different anaphylaxis endotypes.
  • Highlighted the potential roles of platelet activation factor, basogranulin, dipeptidyl peptidase I, CCL-2, and other cytokines.
  • Explored non-IgE-dependent pathways contributing to anaphylaxis.

Conclusions:

  • Understanding diverse anaphylaxis endotypes and their mediators is crucial for precision medicine.
  • Biomarker discovery and pathway elucidation can improve severity stratification and risk prediction in anaphylaxis.