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Margaritte-Jeannin, P.* ; Vernet, R.* ; Budu-Aggrey, A.* ; Ege, M.J. ; Madore, A.M.* ; Linhard, C.* ; Mohamdi, H.* ; von Mutius, E. ; Granell, R.* ; Demenais, F.* ; Laprise, C.* ; Bouzigon, E.* ; Dizier, M.H.*

TNS1 and NRXN1 genes interacting with early-life smoking exposure in asthma-plus-eczema susceptibility.

Allergy Asthma Immunol. Res. 15, 779-794 (2023)
Publ. Version/Full Text DOI PMC
Open Access Gold (Paid Option)
Creative Commons Lizenzvertrag
PURPOSE: Numerous genes have been associated with allergic diseases (asthma, allergic rhinitis, and eczema), but they explain only part of their heritability. This is partly because most previous studies ignored complex mechanisms such as gene-environment (G-E) interactions and complex phenotypes such as co-morbidity. However, it was recently evidenced that the co-morbidity of asthma-plus-eczema appears as a sub-entity depending on specific genetic factors. Besides, evidence also suggest that gene-by-early life environmental tobacco smoke (ETS) exposure interactions play a role in asthma, but were never investigated for asthma-plus-eczema. To identify genetic variants interacting with ETS exposure that influence asthma-plus-eczema susceptibility. METHODS: To conduct a genome-wide interaction study (GWIS) of asthma-plus-eczema according to ETS exposure, we applied a 2-stage strategy with a first selection of single nucleotide polymorphisms (SNPs) from genome-wide association meta-analysis to be tested at a second stage by interaction meta-analysis. All meta-analyses were conducted across 4 studies including a total of 5,516 European-ancestry individuals, of whom 1,164 had both asthma and eczema. RESULTS: Two SNPs showed significant interactions with ETS exposure. They were located in 2 genes, NRXN1 (2p16) and TNS1 (2q35), never reported associated and/or interacting with ETS exposure for asthma, eczema or more generally for allergic diseases. TNS1 is a promising candidate gene because of its link to lung and skin diseases with possible interactive effect with tobacco smoke exposure. CONCLUSIONS: This first GWIS of asthma-plus-eczema with ETS exposure underlines the importance of studying sub-phenotypes such as co-morbidities as well as G-E interactions to detect new susceptibility genes.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Genome ; Asthma ; Eczema ; Gene-environment Interaction ; Genome-wide Association Study (gwis) ; Polymorphism, Single Nucleotide ; Tobacco Smoke; Causal Variants; Lung-function; Hay-fever; Association; Risk; Loci; Expression; Rhinitis; Power
ISSN (print) / ISBN 2092-7355
e-ISSN 2092-7363
Journal Allergy, Asthma and Immunology Research
Quellenangaben Volume: 15, Issue: 6, Pages: 779-794 Article Number: , Supplement: ,
Publisher Korean Academy of Asthma, Allergy and Clinical Immunology
Publishing Place Rm 1705, Kumho Bldg 327-2, Changsindong, Jongno-gu, Seoul 110-540, South Korea
Non-patent literature Publications
Institute(s) Institute of Asthma and Allergy Prevention (IAP)
Grants French National Agency for Research
Wellcome Trust
European Commission
Saguenay-Lac-Saint-Jean (SLSJ) asthma familial study
Canada Research Chair in the Environment and Genetics of Respiratory Diseases
University of Bristol
Wellcome
UK Medical Research Council
University of Bristol - UK Medical Research Council
ALSPAC: The UK Medical Research Council
(European Community)
European Commission as part of GABRIEL