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Related Concept Videos

Components of Stress01:23

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Stress analysis under multiple loading conditions is intricate, necessitating a comprehensive grasp of normal and shearing stresses. Consider a small cube at point O, subjected to stress on all six faces, visible or not. Normal stress components σx, σy, σz act perpendicularly to the x, y, and z axes. Shearing stress components τxy and τxz are exerted on faces perpendicular to these axes.
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Related Experiment Video

Updated: Jan 20, 2026

Basophil Activation Test for Allergy Diagnosis
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Component-Resolved Diagnosis in Food Allergies.

Elisabetta Calamelli1, Lucia Liotti2, Isadora Beghetti3

  • 1Pediatric and Neonatology Unit, Imola Hospital, 40026 Imola, Italy. e.calamelli@ausl.imola.bo.it.

Medicina (Kaunas, Lithuania)
|August 21, 2019
PubMed
Summary

Component-resolved diagnostics (CRD) improve food allergy diagnosis by identifying specific IgE responses. While valuable, CRD needs refinement to avoid unnecessary dietary restrictions and ensure accuracy comparable to oral food challenges.

Keywords:
alfa-galcaseingliadinlipid transfer proteinovomucoidparvalbumintropomyosin

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Area of Science:

  • Allergy and Immunology
  • Clinical Diagnostics
  • Molecular Allergology

Background:

  • Component-resolved diagnostics (CRD) analyze specific IgE antibodies to individual allergen molecules.
  • CRD aids in distinguishing cross-reactivity from true co-sensitization in food allergies.
  • Current limitations include potential over-prescription of elimination diets and adrenaline auto-injectors.

Purpose of the Study:

  • To review key concepts of CRD in food allergy management.
  • To offer a practical clinical approach for utilizing CRD.
  • To highlight areas for improvement in CRD application.

Main Methods:

  • Literature review of component-resolved diagnostics in food allergy.
  • Analysis of CRD's role in allergy work-up and risk stratification.
  • Comparison of CRD performance against the oral food challenge (OFC).

Main Results:

  • CRD enhances diagnostic accuracy and aids in differentiating sensitization patterns.
  • CRD can guide clinical decisions regarding food allergy management.
  • Established sIgE cutoffs lack the diagnostic accuracy of OFC.

Conclusions:

  • CRD is a valuable tool for characterizing food allergies.
  • Further research is needed to optimize CRD's clinical utility and diagnostic performance.
  • A practical approach integrating CRD can improve patient care and reduce unnecessary interventions.