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Related Experiment Videos

Allergies in immigrants.

C Geller-Bernstein1, R Kenett

  • 1Kaplan medical Centre, Rehovot - Israel.

European Annals of Allergy and Clinical Immunology
|December 30, 2004
PubMed
Summary
This summary is machine-generated.

Environmental factors significantly impact allergy development in immigrants. Studies show shifts in allergic sensitization and immunoglobulin E (IgE) levels after relocation, highlighting the environment's role.

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Area of Science:

  • Immunology
  • Environmental Health
  • Epidemiology

Background:

  • Immigration to new environments can alter immune responses and disease prevalence.
  • Allergy and immunoglobulin E (IgE) levels are influenced by genetic and environmental factors.
  • Understanding these influences is crucial for public health in diverse populations.

Purpose of the Study:

  • To investigate the impact of environmental factors on allergy development in immigrants to Israel.
  • To compare allergy disease dynamics in immigrants from Ethiopia and the former Soviet Union.
  • To assess changes in IgE levels and allergen sensitization over time.

Main Methods:

  • Longitudinal study of immigrants from Ethiopia and the former Soviet Union over 20 years.
  • Monitoring of allergy prevalence, IgE levels, and skin test reactivity to aeroallergens.

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  • Assessment of parasitic infections and anti-parasitic treatment efficacy.
  • Main Results:

    • Ethiopian immigrants initially had high IgE and parasitic infections; post-treatment, IgE dropped, and respiratory allergies emerged (11%).
    • Immigrants from the former Soviet Union showed a shift from sensitization to Russian pollen to Israeli pollen over 10 years.
    • Children of Ethiopian descent born in Israel had IgE levels similar to the indigenous population.

    Conclusions:

    • Environmental changes play a critical role in the development and modulation of allergy diseases.
    • Adaptation to a new environment can lead to altered immune responses and allergen sensitization patterns.
    • The study underscores the dynamic interplay between environment, infection, and allergy in immigrant populations.