Evidence map›Paper›PMID 34638770›Full record

ReviewInternational journal of molecular sciences2021

Gut Microbiota in Lung Cancer: Where Do We Stand?

Konstantinos Georgiou, Blagoi Marinov, Ammad Ahmad Farooqi, Maria Gazouli

Open access · goldAbstract readReview
In one paragraph

Review in International journal of molecular sciences, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 2 pooled it
3.0field-weighted citation impact, top 7% of its field
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

43 citing papers in PubMed, 2 syntheses or guidelines pooled it, 55 citations in OpenAlex.

  1. Pooled it
  2. [Fecal Microbiota Transplantation: A Promising Avenue for Lung Cancer Therapy].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2025
    Pooled it
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  14. Dysbiosis and extraintestinal cancers.Journal of experimental & clinical cancer research : CR · 2025
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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

4 authors at 3 institutions in 3 countries.

Konstantinos Georgiou1st Department of Propaedeutic Surgery, Hippokration General Hospital of Athens, Athens Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.ORCID 0000-0003-3615-2500
Blagoi MarinovMedical Simulation Training Center at Research Institute of Medical University of Plovdiv, Tsentar, 4002 Plovdiv, Bulgaria.
Ammad Ahmad FarooqiInstitute of Biomedical and Genetic Engineering (IBGE), 24 Mauve Area, Sector G-9/1, Islamabad 54000, Pakistan.ORCID 0000-0003-2899-5014
Maria GazouliLaboratory of Biology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece.ORCID 0000-0002-3295-6811
National and Kapodistrian University of Athens · GRInstitute of Biomedical and Genetic Engineering · PKMedical University Plovdiv · BG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The gut microbiota (GM) is considered to constitute a powerful "organ" capable of influencing the majority of the metabolic, nutritional, physiological, and immunological processes of the human body. To date, five microbial-mediated mechanisms have been revealed that either endorse or inhibit tumorigenesis. Although the gastrointestinal and respiratory tracts are distant physically, they have common embryonic origin and similarity in structure. The lung microbiota is far less understood, and it is suggested that the crosslink between the human microbiome and lung cancer is a complex, multifactorial relationship. Several pathways linking their respective microbiota have reinforced the existence of a gut-lung axis (GLA). Regarding implications of specific GM in lung cancer therapy, a few studies showed that the GM considerably affects immune checkpoint inhibitor (ICI) therapy by altering the differentiation of regulatory T cells and thus resulting in changes in immunomodulation mechanisms, as discovered by assessing drug metabolism directly and by assessing the host immune modulation response. Additionally, the GM may increase the efficacy of chemotherapeutic treatment in lung cancer. The mechanism underlying the role of the GLA in the pathogenesis and progression of lung cancer and its capability for diagnosis, manipulation, and treatment need to be further explored.

Indexed as

Carcinoma, Non-Small-Cell LungLung NeoplasmsGastrointestinal MicrobiomeHumansImmune Checkpoint InhibitorsT-Lymphocytes, RegulatoryImmune Checkpoint Inhibitorschemotherapygastrointestinalgut–lung axisimmunotherapylung cancermicrobiomerespiratory

Identifiers

PMID34638770
PMCPMC8508914
OpenAlexW3202163968

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.