Abstract:
:Smoking is a major risk factor for chronic obstructive pulmonary disease (COPD); however, more than 25% of COPD patients are non-smokers, and gene-by-smoking interactions are expected to affect COPD onset. We aimed to identify the common genetic variants interacting with pack-years of smoking on FEV1/FVC ratios in individuals with normal lung function. A genome-wide interaction study (GWIS) on FEV1/FVC was performed for individuals with FEV1/FVC ratio ≥ 70 in the Korea Associated Resource cohort data, and significant SNPs were validated using data from two other Korean cohorts. The GWIS revealed that rs10947231 and rs8192575 met genome-wide significant levels; For [Formula: see text] the likelihood ratio (LR) test was conducted, and its P values, PLR, for rs10947231 and rs8192575 were 2.23 × 10-12 and 1.18 × 10-8, respectively. Interaction between rs8192575 and smoking is significantly replicated with two additional data (PINT = 0.0454, 0.0131). Expression quantitative trait loci, topologically associated domains, and PrediXcan analyses revealed that rs8192575 is significantly associated with AGER expression. SNPs on the 6p21 region are associated with FEV1/FVC, and the effect of smoking on FEV1/FVC differs among the associated genotypes.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Park B,An J,Kim W,Kang HY,Koh SB,Oh B,Jung KJ,Jee SH,Kim WJ,Cho MH,Silverman EK,Park T,Won Sdoi
10.1038/s41598-020-70092-0subject
Has Abstractpub_date
2020-08-04 00:00:00pages
13075issue
1issn
2045-2322pii
10.1038/s41598-020-70092-0journal_volume
10pub_type
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