Evidence map›Paper›PMID 40263747›Full record

ArticleThoracic cancer2025

Metagenomics and Non-Targeted Metabolomics Reveal the Role of Gut Microbiota and Its Metabolites in Brain Metastasis of Non-Small Cell Lung Cancer.

Chen-Guang Liu, Mei-Xi Lin, Yu Xin, Man Sun, Jia Cui, Dan Liu, Dan Zang, Jun Chen

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Article in Thoracic cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Chen-Guang LiuDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Mei-Xi LinDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Yu XinDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Man SunDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.ORCID https://orcid.org/0009-0007-5991-4631
Jia CuiDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Dan LiuDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Dan ZangDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.
Jun ChenDepartment of Oncology, The Second Hospital of Dalian Medical University, Dalian, China.ORCID https://orcid.org/0009-0004-5297-6790

Funding

National Natural Science Foundation of China 82203056Natural Science Foundation of Liaoning Province 2023-BS-167Science and Technology Talent Innovation Support Plan of Dalian 2022RQ091The "1+X" program for Clinical Competency enhancement-Clinical Research Incubation Project of the Second Hospital of Dalian Medical University 2022LCYJYB01
6 · The paper itself

Abstract

backgroundBrain metastasis is a common and severe complication in non-small cell lung cancer (NSCLC) patients, significantly affecting prognosis. However, the role of gut microbiota and its metabolites in NSCLC brain metastasis remains poorly understood. This study aims to explore the relationship between gut microbiota, metabolites, and the development of brain metastasis in NSCLC.

methodsWe conducted an integrative analysis combining metagenomics and non-targeted metabolomics on baseline fecal samples from NSCLC patients with brain metastasis (n = 18) and those without distant metastasis (n = 12). Gut microbiota composition and metabolite profiles were detected and analyzed, and statistical methods, including machine learning models, were applied to identify differences and potential biomarkers.

resultsSignificant differences in gut microbiota composition were found between the two groups, with higher microbial diversity observed in patients with brain metastasis. Specific genera, such as Paenibacillus, Fournierella, and Adlercreutzia, were enriched in the brain metastasis group. Metabolomic analysis revealed altered levels of short-chain fatty acids and other metabolites associated with immune modulation and vascular permeability, including angiotensin (1-7). These changes were linked to the metastatic process and may influence brain metastasis development. Furthermore, machine learning models identified key biomarkers, such as Raoultibacter, Mobilibacterium, and N-acetyl-L-glutamic acid, which could serve as valuable indicators for brain metastasis.

conclusionsOur findings suggest that gut microbiota dysbiosis and its metabolic products may contribute to the development of brain metastasis in NSCLC. The identification of microbiota-derived biomarkers holds potential for early detection and therapeutic intervention in NSCLC brain metastasis.

Indexed as

Brain NeoplasmsCarcinoma, Non-Small-Cell LungGastrointestinal MicrobiomeLung NeoplasmsMetabolomicsMetagenomicsAgedFemaleHumansMaleMiddle AgedPrognosisbrain metastasisgut microbiotametabolomicsmetagenomicsnon‐small cell lung cancer

Identifiers

PMID40263747
PMCPMC12014518

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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 OpenQuestion graph.