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Effect of 6p21 region on lung function is modified by smoking: a genome-wide interaction study

 Boram Park  ;  Jaehoon An  ;  Wonji Kim  ;  Hae Yeon Kang  ;  Sang Baek Koh  ;  Bermseok Oh  ;  Keum Ji Jung  ;  Sun Ha Jee  ;  Woo Jin Kim  ;  Michael H Cho  ;  Edwin K Silverman  ;  Taesung Park  ;  Sungho Won 
 SCIENTIFIC REPORTS, Vol.10(1) : 13075, 2020-08 
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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.
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4. Graduate School of Public Health (보건대학원) > Graduate School of Public Health (보건대학원) > 1. Journal Papers
Yonsei Authors
Jee, Sun Ha(지선하) ORCID logo https://orcid.org/0000-0001-9519-3068
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