Gene - Environment interactions in asthma and allergy: The end of the beginning?

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

PURPOSE OF REVIEW: The pathogenesis of asthma and allergy typically involves not only distinct genetic and environmental factors, but also interactions between the two. Innate-immunity genes [particularly CD14, toll-like receptor (TLR)4 and TLR2, the critical mediators of responses to bacteria in the extracellular space] play a prominent role in gene-environment interactions relevant to asthma-related phenotypes because the interaction between microbial load and the innate-immune system is a critical determinant of both immune function and allergy/asthma susceptibility. This review presents recent findings illustrating the role of gene-environment interactions in asthma/allergy susceptibility. RECENT FINDINGS: Population studies have extended our understanding of the role of CD14 and innate-immune genes in the interplay between genetic variants and the environment, highlighting the complexity of these interactions and their significant influence on susceptibility to asthma and allergy. SUMMARY: Gene-environment interactions have become a leitmotiv in asthma and allergy genetics, especially over the last 3 years. The next challenge awaiting asthma and allergy geneticists will be to define the extent to which the search for gene-environment interactions can be successfully integrated with hypothesis-generating, genome-wide approaches aimed at the identification of genetic variants involved in the pathogenesis of complex-lung diseases.

Original languageEnglish (US)
Pages (from-to)145-148
Number of pages4
JournalCurrent Opinion in Allergy and Clinical Immunology
Volume10
Issue number2
DOIs
StatePublished - Apr 2010

Fingerprint

Gene-Environment Interaction
Hypersensitivity
Asthma
Microbial Interactions
Toll-Like Receptor 4
Extracellular Space
Innate Immunity
Lung Diseases
Genes
Immune System
Genome
Bacteria
Phenotype
Population

Keywords

  • Allergy
  • Asthma
  • Environment interactions
  • Gene
  • Genome-wide association studies
  • Innate immunity

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Gene - Environment interactions in asthma and allergy : The end of the beginning? / Vercelli, Donata.

In: Current Opinion in Allergy and Clinical Immunology, Vol. 10, No. 2, 04.2010, p. 145-148.

Research output: Contribution to journalArticle

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