Germline HLA heterozygosity is associated with decreased lung cancer risk

Taotao Tan, Vikram R Shaw, Jinyoung Byun, Hyun-Sung Lee, Younghun Han, Yafang Li, Rayjean J Hung, David C Christiani, Xin-An Wang, Mattias Johansson, Xiangjun Xiao, David Zaridze, Stig Egil Bojesen, Sanjay Shete, Demetrios Albanes, Melinda C Aldrich, Adonina Tardon, Guillermo Fernandez-Tardon, Loïc Le Marchand, Gad RennertHeike Bickeböller, H-Erich Wichmann, Angela Risch, John K Field, Michael Davies, Penella Woll, Lambertus A Kiemeney, Aage Haugen, Shanbeh Zienolddiny, Stephen Lam, Mikael Johansson, Kjell Grankvist, Matthew B Schabath, Angeline Andrew, Philip Lazarus, Susanne M Arnold, Dakai Zhu, Maria Teresa Landi, James McKay, Christopher Amos, Chao Cheng

Abstract

Heterozygosity at human leukocyte antigen (HLA) loci may improve lung cancer immunosurveillance by increasing recognition of the tumor by the immune system. Previous studies utilizing data from population-level biobanks, such as the United Kingdom Biobank and FinnGen, have identified an association between germline HLA class II (HLA-II) heterozygosity and reduced lung cancer risk in smokers. In the present study, we evaluate the association between HLA heterozygosity and lung cancer in a large case-control study (15,302 cases and 14,580 controls) with imputed HLA allele-type information, comparing differences in HLA heterozygosity between smokers and non-smokers, among lung cancer subtypes, and at 2- and 4-digit HLA allele resolution. We identify a strong protective association of HLA-II heterozygosity in smokers compared to non-smokers, particularly at the HLA-DPB1 and HLA-DPA1 loci, and provide subtype-specific resolution. Finally, analysis of the additive effects of HLA allele heterozygosity in smokers identified significant associations with several 4-digit HLA alleles, including HLA-B∗08:01, HLA-A∗01:01, HLA-C∗07:01, HLA-DQA1∗05:01, HLA-DRB1∗03:01, and HLA-C∗03:04. Our study provides additional evidence, with added histologic subtype information, that germline HLA-II heterozygosity is inversely associated with lung cancer risk.

OriginalsprogEngelsk
Artikelnummer100567
TidsskriftHGG advances
Vol/bind7
Udgave nummer2
ISSN2666-2477
DOI
StatusE-pub ahead of print - 12 jan. 2026

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