Repository of Research and Investigative Information

Repository of Research and Investigative Information

Baqiyatallah University of Medical Sciences

The composition of lung microbiome in lung cancer: a systematic review and meta-analysis

(2021) The composition of lung microbiome in lung cancer: a systematic review and meta-analysis. Bmc Microbiology. p. 15. ISSN 1471-2180

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Abstract

Background Although recent studies have indicated that imbalance in the respiratory microbiome composition is linked to several chronic respiratory diseases, the association between the lung microbiome and lung cancer has not been extensively studied. Conflicting reports of individual studies on respiratory microbiome alterations in lung cancer complicate the matter for specifying how the lung microbiome is linked to lung cancer. Consequently, as the first meta-analysis on this topic, we integrate publicly available 16S rRNA gene sequence data on lung tissue samples of lung cancer patients to identify bacterial taxa which differ consistently between case and control groups. Results The findings of the current study suggest that the relative abundance of several bacterial taxa including Actinobacteria phylum, Corynebacteriaceae and Halomonadaceae families, and Corynebacterium, Lachnoanaerobaculum, and Halomonas genera is significantly decreased (p < 0.05) in lung tumor tissues of lung cancer patients in comparison with tumor-adjacent normal tissues. Conclusions Despite the underlying need for scrutinizing the findings further, the present study lays the groundwork for future research and adds to our limited understanding of the key role of the lung microbiome and its complex interaction with lung cancer. More data on demographic factors and tumor tissue types would help establish a greater degree of accuracy in characterizing the lung microbial community which accords with subtypes and stages of the disease and fully capturing the changes of the lung microbiome in lung cancer.

Item Type: Article
Keywords: Lung microbiome Lung cancer Meta-analysis 16S rRNA gene Metagenomics airway microbiota gut microbiota dysbiosis bacteria health Microbiology
Page Range: p. 15
Journal or Publication Title: Bmc Microbiology
Journal Index: ISI
Volume: 21
Number: 1
Identification Number: https://doi.org/10.1186/s12866-021-02375-z
ISSN: 1471-2180
Depositing User: مهندس مهدی شریفی
URI: http://eprints.bmsu.ac.ir/id/eprint/9759

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