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The association of a variant in the cell cycle control gene CCND1 and obesity on the development of asthma in the Swiss SAPALDIA study
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID 1766655
Author(s) Thun, Gian Andri; Imboden, Medea; Berger, Wolfgang; Rochat, Thierry; Probst-Hensch, Nicole M
Author(s) at UniBasel Thun, Gian Andri
Imboden, Medea
Probst Hensch, Nicole
Year 2013
Title The association of a variant in the cell cycle control gene CCND1 and obesity on the development of asthma in the Swiss SAPALDIA study
Journal Journal of asthma
Volume 50
Number 2
Pages / Article-Number 147-54
Keywords candidate gene association study, cell proliferation genes, gene-lifestyle interaction, overweight, population-based cohort, single-nucleotide polymorphism

The molecular mechanisms underlying the association between obesity (BMI ≥ 30 kg/m(2)) and asthma are poorly understood. Since shifts in the fate of bronchial cells due to low-grade systemic inflammation may provide a possible explanation, we investigated whether two of the best documented functional variants in cell cycle control genes modify the obesity-asthma association.; We genotyped 5930 SAPALDIA cohort participants for the single-nucleotide polymorphisms (SNPs) rs9344 in the cyclin D1 gene (CCND1) and rs1042522 in the gene encoding tumor protein 53 (TP53). We assessed the independent association of these SNPs and obesity with asthma prevalence and incidence.; The CCND1 SNP modified the association between obesity and asthma prevalence (p(interaction )= 0.03). The odds ratios (ORs) and 95% confidence intervals (CIs) for reporting a physician diagnosis of asthma at baseline, comparing obese with non-obese participants, were 1.09 (0.51-2.33), 1.64 (0.94-2.88), and 3.51 (1.63-7.53) for GG, GA, and AA genotypes, respectively. We found comparable genotype differences for incident asthma within the 11 years of follow-up. As for the TP53 SNP, the interactions with obesity status with respect to asthma were not statistically significant.; Our results suggest that obesity may contribute to asthma and associated tissue remodeling by modifying the processes related to the CCND1 gene activity.

Publisher Taylor & Francis
ISSN/ISBN 0277-0903
Full Text on edoc No
Digital Object Identifier DOI 10.3109/02770903.2012.757776
PubMed ID
ISI-Number WOS:000314652000006
Document type (ISI) Journal Article

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