Related Experiment Video
Updated: Sep 12, 2025
Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE
Published on: April 21, 2019
Interpreting Serum-Specific IgE Panels: Key Insights for Pediatricians in Diagnosing Food Allergies in Children
Background:
This study was prompted by a case of a 5-year-old boy misdiagnosed with "multiple food allergies" based on serum-specific IgE (SSIgE) tests ordered by his primary care physician, despite consuming the suspected allergens without issues. The purpose of this retrospective study was to evaluate the accuracy of SSIgE panel testing in diagnosing food allergies in children.
Methods:
Case report and retrospective study to evaluate the accuracy of SSIgE tests in diagnosing food allergies in children. The study included 646 patients who underwent oral food challenges.
Results:
Results indicated that while SSIgE tests have high negative predictive value, their specificity is poor, leading to unnecessary food avoidance.
Conclusions:
The findings highlight the need for cautious interpretation of SSIgE tests and recommend oral challenges for accurate diagnosis, aiming to prevent the negative impact of unnecessary dietary restrictions.
Related Concept Videos
01:33Enzyme-Linked Immunosorbent Assay
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen. Enzyme-substrate reaction allows the antigen to be visualized or...
01:10Antibody Structure
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
02:06Allergic Reactions
01:30Serum Laboratory Studies, Stool Test, Breath Test