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Genome-Wide Association Study of Lung Cancer in Korean Non-Smoking Women

Authors
Kim, Jin HeePark, KyungheeYim, Seon-HeeChoi, Jin EunSung, Jae SookPark, Ju-YeonChoi, Yi YoungJeon, Hyo-SungPark, Jae YongYoon, Hyoung KyuKim, Yeul HongYoo, Byung SuKim, Young TaeHu, Hae-JinChung, Yeun-JunKim, HoSung, Sook WhanHong, Yun-Chul
Issue Date
6월-2013
Publisher
KOREAN ACAD MEDICAL SCIENCES
Keywords
Lung Neoplasms; Genome-Wide Association Study; Non-Smoking Women
Citation
JOURNAL OF KOREAN MEDICAL SCIENCE, v.28, no.6, pp.840 - 847
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF KOREAN MEDICAL SCIENCE
Volume
28
Number
6
Start Page
840
End Page
847
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/103023
DOI
10.3346/jkms.2013.28.6.840
ISSN
1011-8934
Abstract
Lung cancer in never-smokers ranks as the seventh most common cause of cancer death worldwide, and the incidence of lung cancer in non-smoking Korean women appears to be steadily increasing. To identify the effect of genetic polymorphisms on lung cancer risk in non-smoking Korean women, we conducted a genome-wide association study of Korean female non-smokers with lung cancer. We analyzed 440,794 genotype data of 285 cases and 1,455 controls, and nineteen SNPs were associated with lung cancer development (P < 0.001). For external validation, nineteen SNPs were replicated in another sample set composed of 293 cases and 495 controls, and only rs10187911 on 2p16.3 was significantly associated with lung cancer development (dominant model, OR of TG or GG, 1.58, P = 0.025). We confirmed this SNP again in another replication set composed of 546 cases and 744 controls (recessive model, OR of GG, 1.32, P = 0.027). OR and P value in combined set were 1.37 and < 0.001 in additive model, 1.51 and < 0.001 in dominant model, and 1.54 and < 0.001 in recessive model. The effect of this SNP was found to be consistent only in adenocarcinoma patients (1.36 and < 0.001 in additive model, 1.49 and < 0.001 in dominant model, and 1.54 and < 0.001 in recessive model). Furthermore, after imputation with HapMap data, we found regional significance near rs10187911, and five SNPs showed P value less than that of rs10187911 (rs12478012, rs4377361, rs13005521, rs12475464, and rs7564130). Therefore, we concluded that a region on chromosome 2 is significantly associated with lung cancer risk in Korean non-smoking women.
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