Gut microbiota interacts with host immune system in ways that influence the development of disease. Advances in respiratory immune system also broaden our knowledge of the interaction between host and microbiome in the lung. Increasing evidence indicated the intimate relationship between the gastrointestinal tract and respiratory tract. Exacerbations of chronic gut and lung disease have been shown to share key conceptual features with the disorder and dysregulation of the microbial ecosystem. In this review, we discuss the impact of gut and lung microbiota on disease exacerbation and progression, and the recent understanding of the immunological link between the gut and the lung, the gut-lung axis.
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http://dx.doi.org/10.1080/1040841X.2016.1176988 | DOI Listing |
Cell
January 2025
Department of Immunology, School of Translational Medicine, Monash University, Melbourne, VIC, Australia. Electronic address:
The gut microbiota is a powerful influencer of systemic immunity, with its impact on distal organs like the lungs garnering increasing attention. In this issue of Cell, Burrows et al. report that a gut protozoan plays a key role in shaping the immunological steady state of the lung.
View Article and Find Full Text PDFJ Inflamm Res
January 2025
Department of Geriatric Respiratory and Critical Care, The First Affiliated Hospital of Anhui Medical University, Anhui Geriatric Institute, Hefei, Anhui, People's Republic of China.
Aim: We sought to investigate the impact of CpG oligodeoxynucleotides (CpG-ODN) administration on the lung and gut microbiota in asthmatic mice, specifically focusing on changes in composition, diversity, and abundance, and to elucidate the microbial mechanisms underlying the therapeutic effects of CpG-ODN and identify potential beneficial bacteria indicative of its efficacy.
Methods: HE staining were used to analyze inflammation in lung, colon and small intestine tissues. High-throughput sequencing technology targeting 16S rRNA was employed to analyze the composition, diversity, and correlation of microbiome in the lung, colon and small intestine of control, model and CpG-ODN administration groups.
Cancer Manag Res
January 2025
Lung Cancer Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
Objective: Our research has pinpointed the gut microbiome's role in the progression of various pathological types of non-small cell lung cancer (NSCLC). Nonetheless, the characteristics of the gut microbiome and its metabolites across different clinical stages of NSCLC are yet to be fully understood. The current study seeks to explore the distinctive gut flora and metabolite profiles of NSCLC patients across varying TNM stages.
View Article and Find Full Text PDFJ Trauma Acute Care Surg
November 2024
From the Department of Surgery and Sepsis and Critical Illness Research Center (J.A.M., L.S.K., E.E.P., C.G.A., K.B.K., L.E.B., P.A.E., A.M.M.), University of Florida College of Medicine, Gainesville; and The Gut Biome Lab, Department of Health, Nutrition, and Food Sciences (G.P., R.N.), Florida State University College of Education, Health, and Human Sciences, Tallahassee, Florida.
Background: Traumatic injury leads to gut dysbiosis with changes in microbiome diversity and conversion toward a "pathobiome" signature characterized by a selective overabundance of pathogenic bacteria. The use of non-selective beta antagonism in trauma patients has been established as a useful adjunct to reduce systemic inflammation. We sought to investigate whether beta-adrenergic blockade following trauma would prevent the conversion of microbiome to a "pathobiome" phenotype.
View Article and Find Full Text PDFToxicology
January 2025
National Human Diseases Animal Model Resource Center, National Center of Technology Innovation for animal model, State Key Laboratory of Respiratory Health and Multimorbidity, NHC Key Laboratory of Comparative Medicine, Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases, Beijing Engineering Research Center for Experimental Animal Models of Human Critical Diseases, Institute of Laboratory Animal Science, CAMS & PUMC, Beijing, China. Electronic address:
The environmental impact of harmful particles from tire and brake systems is a growing concern. This study investigated the health impacts of PM emissions from brake pad wear on adult C57BL/6 mice. The mice were exposed to brake pad particles via intratracheal infusion, and various health parameters were assessed.
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