Faculty, Staff and Student Publications

Language

English

Publication Date

5-26-2023

Journal

Nature Communications

DOI

10.1038/s41467-023-38196-z

PMID

37236969

PMCID

PMC10220065

PubMedCentral® Posted Date

May 2023

PubMedCentral® Full Text Version

Post-print

Abstract

Lung adenocarcinoma is the most common type of lung cancer. Known risk variants explain only a small fraction of lung adenocarcinoma heritability. Here, we conducted a two-stage genome-wide association study of lung adenocarcinoma of East Asian ancestry (21,658 cases and 150,676 controls; 54.5% never-smokers) and identified 12 novel susceptibility variants, bringing the total number to 28 at 25 independent loci. Transcriptome-wide association analyses together with colocalization studies using a Taiwanese lung expression quantitative trait loci dataset (n = 115) identified novel candidate genes, including FADS1 at 11q12 and ELF5 at 11p13. In a multi-ancestry meta-analysis of East Asian and European studies, four loci were identified at 2p11, 4q32, 16q23, and 18q12. At the same time, most of our findings in East Asian populations showed no evidence of association in European populations. In our studies drawn from East Asian populations, a polygenic risk score based on the 25 loci had a stronger association in never-smokers vs. individuals with a history of smoking (Pinteraction = 0.0058). These findings provide new insights into the etiology of lung adenocarcinoma in individuals from East Asian populations, which could be important in developing translational applications.

Keywords

Humans, Genome-Wide Association Study, Genetic Predisposition to Disease, Adenocarcinoma of Lung, Asia, Eastern, Lung Neoplasms, Polymorphism, Single Nucleotide

Published Open-Access

yes

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