Gene-by-environment interactions in urban populations modulate risk phenotypes

Marie Julie Favé, Fabien C. Lamaze, David Soave, Alan Hodgkinson, Héloïse Gauvin, Vanessa Bruat, Jean Christophe Grenier, Elias Gbeha, Kimberly Skead, Audrey Smargiassi, Markey Johnson, Youssef Idaghdhour, Philip Awadalla

Research output: Contribution to journalArticle

Abstract

Uncovering the interaction between genomes and the environment is a principal challenge of modern genomics and preventive medicine. While theoretical models are well defined, little is known of the G × E interactions in humans. We used an integrative approach to comprehensively assess the interactions between 1.6 million data points, encompassing a range of environmental exposures, health, and gene expression levels, coupled with whole-genome genetic variation. From ∼1000 individuals of a founder population in Quebec, we reveal a substantial impact of the environment on the transcriptome and clinical endophenotypes, overpowering that of genetic ancestry. Air pollution impacts gene expression and pathways affecting cardio-metabolic and respiratory traits, when controlling for genetic ancestry. Finally, we capture four expression quantitative trait loci that interact with the environment (air pollution). Our findings demonstrate how the local environment directly affects disease risk phenotypes and that genetic variation, including less common variants, can modulate individual's response to environmental challenges.

Original languageEnglish (US)
Article number827
JournalNature Communications
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2018

Fingerprint

Gene-Environment Interaction
phenotype
Urban Population
Air pollution
Gene expression
genes
Genes
Phenotype
air pollution
genome
gene expression
Air Pollution
Medicine
environment pollution
Health
interactions
Genome
Endophenotypes
Gene Expression
Quebec

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Favé, M. J., Lamaze, F. C., Soave, D., Hodgkinson, A., Gauvin, H., Bruat, V., ... Awadalla, P. (2018). Gene-by-environment interactions in urban populations modulate risk phenotypes. Nature Communications, 9(1), [827]. https://doi.org/10.1038/s41467-018-03202-2

Gene-by-environment interactions in urban populations modulate risk phenotypes. / Favé, Marie Julie; Lamaze, Fabien C.; Soave, David; Hodgkinson, Alan; Gauvin, Héloïse; Bruat, Vanessa; Grenier, Jean Christophe; Gbeha, Elias; Skead, Kimberly; Smargiassi, Audrey; Johnson, Markey; Idaghdhour, Youssef; Awadalla, Philip.

In: Nature Communications, Vol. 9, No. 1, 827, 01.12.2018.

Research output: Contribution to journalArticle

Favé, MJ, Lamaze, FC, Soave, D, Hodgkinson, A, Gauvin, H, Bruat, V, Grenier, JC, Gbeha, E, Skead, K, Smargiassi, A, Johnson, M, Idaghdhour, Y & Awadalla, P 2018, 'Gene-by-environment interactions in urban populations modulate risk phenotypes', Nature Communications, vol. 9, no. 1, 827. https://doi.org/10.1038/s41467-018-03202-2
Favé MJ, Lamaze FC, Soave D, Hodgkinson A, Gauvin H, Bruat V et al. Gene-by-environment interactions in urban populations modulate risk phenotypes. Nature Communications. 2018 Dec 1;9(1). 827. https://doi.org/10.1038/s41467-018-03202-2
Favé, Marie Julie ; Lamaze, Fabien C. ; Soave, David ; Hodgkinson, Alan ; Gauvin, Héloïse ; Bruat, Vanessa ; Grenier, Jean Christophe ; Gbeha, Elias ; Skead, Kimberly ; Smargiassi, Audrey ; Johnson, Markey ; Idaghdhour, Youssef ; Awadalla, Philip. / Gene-by-environment interactions in urban populations modulate risk phenotypes. In: Nature Communications. 2018 ; Vol. 9, No. 1.
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