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Related Experiment Video

Updated: Jan 23, 2026

Basophil Activation Test for Allergy Diagnosis
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Published on: May 31, 2021

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A new look at IgE beyond allergies.

Andrea J Luker1, Joseph C Lownik1,2, Daniel H Conrad1

  • 1Department of Microbiology and Immunology, Virginia Commonwealth University, Richmond, VA, USA.

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|June 7, 2019
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Summary
This summary is machine-generated.

Immunoglobulin E (IgE) is crucial beyond allergies, playing roles in parasitic infections, autoimmune diseases like lupus, and cancer surveillance. New research explores IgE

Keywords:
IgEalpha-galauto-immunitycancerhelminthlupustumor

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Area of Science:

  • Immunology
  • Molecular Biology
  • Pathology

Background:

  • Immunoglobulin E (IgE) is traditionally linked to allergic reactions and T helper 2 (Th2) immune responses.
  • Advances in detection assays reveal broader roles for IgE in various pathologies.
  • IgE's function extends beyond its soluble form, including cell-bound interactions.

Purpose of the Study:

  • To review recent discoveries of Immunoglobulin E (IgE) functions outside of allergic diseases.
  • To explore IgE's involvement in parasitic infections, autoimmune disorders, and cancer.
  • To discuss current and upcoming clinical trials targeting or utilizing IgE.

Main Methods:

  • Literature review of recent findings on IgE.
  • Analysis of IgE's role in different disease models.
  • Summary of clinical trial data related to IgE.

Main Results:

  • IgE contributes to parasitic infections, potentially aiding immune evasion by pathogens.
  • Auto-reactive IgE is implicated in lupus pathogenesis and organ damage.
  • Cell-bound IgE on FcεRI-expressing cells (monocytes, dendritic cells) has newly identified functions.
  • IgE shows potential in tumor surveillance and antibody-dependent cytotoxicity.
  • Tick-borne illnesses can elicit IgE responses against specific antigens (e.g., red meat).

Conclusions:

  • Immunoglobulin E (IgE) has diverse and significant roles in immunity and disease beyond allergies.
  • Targeting or leveraging IgE presents therapeutic opportunities for various conditions.
  • Further research into IgE's multifaceted functions is warranted.