Evidence mapPaperPMID 42367346Full record

ArticleInternational journal of chronic obstructive pulmonary disease2026

Chronic Obstructive Pulmonary Disease Influence on Lung Cancer Risk Through Blood Metabolite Mediation: A Two-Sample Mendelian Randomisation and Mediation Analysis.

Yan-Nan Cao, Long Wang, Hu-Sen Fan, Zhen-Jiang Zhang

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Article in International journal of chronic obstructive pulmonary disease, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Yan-Nan CaoSchool of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, People's Republic of China.
Long WangSchool of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, People's Republic of China.
Hu-Sen FanSchool of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, People's Republic of China.
Zhen-Jiang ZhangDepartment of Thoracic Surgery, Weifang People's Hospital, Weifang, Shandong, People's Republic of China.ORCID 0009-0007-8097-0419

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Lung cancer (LC) risk is increased by chronic obstructive pulmonary disease (COPD) through metabolic and inflammatory processes. In addition to identifying possible inflammatory or blood metabolite mediators, this study explores the causal link between LC and COPD. Patients and Methods: To determine whether COPD and LC are causally related, as well as whether inflammatory variables and blood metabolites mediate this relationship, we used two-sample and two-step Mendelian randomization (MR) analyses based on summary data from published genome-wide association studies (GWAS). Directionality and robustness were investigated using reverse MR and sensitivity analyses, primarily using the inverse variance weighted (IVW) method. Results: Two-sample MR analyses revealed that COPD was a risk factor for the occurrence of LC ( Conclusion: These findings shed light on the underlying mechanisms that link COPD and LC and highlight the fact that COPD is a risk factor for the development of LC, with blood metabolites partially mediating this effect.

Indexed as

Inflammation MediatorsLung NeoplasmsPulmonary Disease, Chronic ObstructiveBiomarkersGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansMediation AnalysisMendelian Randomization AnalysisPhenotypePolymorphism, Single NucleotideRisk AssessmentRisk FactorsBiomarkersInflammation Mediatorsblood metabolitesChronic obstructive pulmonary diseaseinflammatory factorslung cancerMendelian randomisation analysis

Identifiers

PMID42367346
PMCPMC13295007

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.