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- Title
Targeting Lung–Gut Axis for Regulating Pollution Particle–Mediated Inflammation and Metabolic Disorders.
- Authors
Cheng, Wan-Li; Chang, Chih-Cheng; Luo, Ching-Shan; Chen, Kuan-Yuan; Yeh, Yun-Kai; Zheng, Jing-Quan; Wu, Sheng-Ming
- Abstract
Cigarette smoking (CS) or ambient particulate matter (PM) exposure is a risk factor for metabolic disorders, such as insulin resistance (IR), increased plasma triglycerides, hyperglycemia, and diabetes mellitus (DM); it can also cause gut microbiota dysbiosis. In smokers with metabolic disorders, CS cessation decreases the risks of serious pulmonary events, inflammation, and metabolic disorder. This review included recent studies examining the mechanisms underlying the effects of CS and PM on gut microbiota dysbiosis and metabolic disorder development; one of the potential mechanisms is the disruption of the lung–gut axis, leading to gut microbiota dysbiosis, intestinal dysfunction, systemic inflammation, and metabolic disease. Short-chain fatty acids (SCFAs) are the primary metabolites of gut bacteria, which are derived from the fermentation of dietary fibers. They activate G-protein-coupled receptor (GPCR) signaling, suppress histone deacetylase (HDAC) activity, and inhibit inflammation, facilitating the maintenance of gut health and biofunction. The aforementioned gut microbiota dysbiosis reduces SCFA levels. Treatment targeting SCFA/GPCR signaling may alleviate air pollution–associated inflammation and metabolic disorders, which involve lung–gut axis disruption.
- Subjects
LUNGS; METABOLIC disorders; SHORT-chain fatty acids; PARTICULATE matter; GUT microbiome; HISTONE deacetylase; SMOKE; TOBACCO smoke
- Publication
Cells (2073-4409), 2023, Vol 12, Issue 6, p901
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells12060901