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Related Experiment Videos

IgE studies on respiratory tract allergies

G Mogi, S Maeda, T Yoshida

    Archives of Otolaryngology (Chicago, Ill. : 1960)
    |May 1, 1977
    PubMed
    Summary
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    This study found that measuring immunoglobulin E (IgE) and specific IgE antibodies in nasal secretions is useful for diagnosing respiratory allergies like asthma and allergic rhinitis. IgE in nasal secretions better reflects allergy pathogenesis than serum IgE.

    Area of Science:

    • Immunology
    • Allergology
    • Respiratory Medicine

    Background:

    • Allergic respiratory diseases, including nasal allergy and bronchial asthma, affect a significant portion of the population.
    • Immunoglobulin E (IgE) plays a crucial role in allergic reactions.
    • Identifying specific IgE antibodies is important for understanding allergic sensitization.

    Purpose of the Study:

    • To determine the levels of IgE and specific IgE antibodies in serum and nasal secretions.
    • To investigate the correlation between IgE levels and the pathogenesis of respiratory tract allergies.
    • To evaluate the diagnostic utility of IgE measurements in nasal secretions compared to serum.

    Main Methods:

    • Radioimmunosorbent test (RIST) was employed to quantify IgE content.

    Related Experiment Videos

  • Specific IgE antibodies were identified in serum and nasal secretions from control subjects, patients with nasal allergy, and patients with bronchial asthma.
  • House dust skin tests were performed to identify allergic sensitization.

    • Main Results:

    • Specific IgE antibodies to mites were detected in approximately 70% of serum and nasal secretion samples from patients with positive house dust skin tests.
    • IgE levels in nasal secretions showed a stronger association with the pathogenesis of respiratory allergies than serum IgE levels.
    • The diagnostic value of nasal secretion IgE is currently limited by the need for more concentrated samples.

    Conclusions:

    • Determination of IgE and specific IgE antibodies is valuable for diagnosing and studying the pathogenesis of respiratory allergies.
    • Nasal secretion IgE is a more relevant marker for respiratory allergy pathogenesis than serum IgE.
    • Further research focusing on concentrated nasal secretions is needed to enhance diagnostic accuracy.