Integrative analysis of lung adenocarcinoma across diverse ethnicities and exposures
- PMID: 40749670
- PMCID: PMC12393171
- DOI: 10.1016/j.ccell.2025.07.011
Integrative analysis of lung adenocarcinoma across diverse ethnicities and exposures
Abstract
Lung adenocarcinomas (LUAD) are a pressing global health problem with enduring lethality and rapidly shifting epidemiology. Proteogenomic studies integrating proteomics and post-translational modifications with genomics can identify clinical strata and oncogenic mechanisms, but have been underpowered to examine effects of ethnicity, smoking and environmental exposures, or sex on this heterogeneous disease. This comprehensive proteogenomic analysis of LUAD tumors and matched normal adjacent tissues from 406 patients across diverse geographic and demographic backgrounds explores the impact of understudied driver mutations, prognostic role of chromosomal instability, patterns of immune signaling, differential and sex-specific effects of endogenous mutagens and environmental carcinogens, and pathobiology of early-stage tumors with "late-like" characteristics. Candidate protein biomarkers are proposed for unstable tumors with highly fragmented genomes and for carcinogen exposures, and a LUAD subtype-specific atlas of therapeutic vulnerabilities is presented. These observations and the associated data resource advance the objective of precision management strategies for this devastating disease.
Keywords: CPTAC; ICPC; PTMs; biomarkers; genomics; lung adenocarcinoma; mass spectrometry; never-smokers; proteogenomics; smokers.
Copyright © 2025 The Authors. Published by Elsevier Inc. All rights reserved.
Conflict of interest statement
Declaration of interests Grants or contracts (institutional research) for P.P. from EMD Serono, Bicara, Novartis and Advisory Board/Consulting for Novartis, Mirati, Janssen, EMD Serono, Takeda, Bicara, AstraZeneca. S.S. is currently employed by AstraZeneca. This work was conducted while S.S. was employed at the Broad Institute and AstraZeneca has no role in this study. The rest of the authors have no competing interests.
References
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