ArticleJournal of translational medicine2019
Aryl hydrocarbon receptor ligands enhance lung immunity through intestinal IKKβ pathways.
Article in Journal of translational medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 16 citations in OpenAlex.
- The Gut-Lung Microbiome Axis in Alveolar Stem Cell Regeneration and Lung Repair.Microorganisms · 2026Review
- Article
- Punicalagin as a novel selective aryl hydrocarbon receptor (AhR) modulator upregulates AhR expression through the PDK1/p90RSK/AP-1 pathway to promote the anti-inflammatory response and bactericidal activity of macrophages.Cell communication and signaling : CCS · 2024Article
- Natural killer cell effector function is critical for host defense against alcohol-associated bacterial pneumonia.NPJ biofilms and microbiomes · 2024Article
- Regulation of Natural Killer Cell TGF-β and AhR Signaling Pathways Via the Intestinal Microbiota is Critical for Host Defense Against Alcohol-Associated Bacterial Pneumonia.Research square · 2023Article
- Disease tolerance: a protective mechanism of lung infections.Frontiers in cellular and infection microbiology · 2023Review
- Membranous nephropathy: Systems biology-based novel mechanism and traditional Chinese medicine therapy.Frontiers in pharmacology · 2022Review
- Pulmonary immune cell trafficking promotes host defense against alcohol-associated Klebsiella pneumonia.Communications biology · 2021Article
- Ultra-Performance Liquid Chromatography/Mass Spectrometry-Based Metabolomics for Discovering Potential Biomarkers and Metabolic Pathways of Colorectal Cancer in Mouse Model (ApcMin/+) and Revealing the Effect ofFrontiers in oncology · 2021Article
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Authors and funding
3 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundInfection by antibiotic-resistant microorganisms is common in intensive care units and has become a global problem. Here, we determined the effect of aryl hydrocarbon receptor (AhR) stimulation on antibiotics-induced systemic defense impairment and its mechanisms.
methodsC57BL/6 wild-type (WT) mice received combined antibiotics with or without Ahr ligands (tryptophan and indole), or dead Lactobacillus plantarum supplementation. The defense mechanisms against Pseudomonas aeruginosa infection in the lung were examined.
resultsAntibiotic treatments decreased the phagocytic activity, physiological activity, and the peroxynitrite production of alveolar macrophage (AMs). It also enhanced P. aeruginosa pneumonia-induced bacterial counts in the lung. Tryptophan and dead L. plantarum supplementation reversed antibiotic-induced intracellular adhesion molecule (ICAM) as well as IL-6 expression, and increased P. aeruginosa pneumonia-induced bacterial counts in the lung and increased phagocytic activity and peroxynitrite production of AMs. Moreover, these treatments reversed the antibiotics-induced reduction of Ahr expression, antibacterial proteins, reactive oxygen species (ROS) production, and NF-κB DNA binding activity of the intestinal mucosa and plasma IL-6 levels. P. aeruginosa counts increased and phagocytic activity of AMs and myeloperoxidase (MPO) activity decreased in intestinal IKKβ depleted mice. Antibiotics, antibiotic with tryptophan feeding, or antibiotic with dead L. plantarum feeding treatments did not change the phagocytic activity and peroxynitrite production of AMs, plasma IL-6 levels, and the expression of Ahr of intestine in intestinal IKKβ depleted mice.
conclusionAntibiotic treatment impairs lung immune defenses by decreasing Ahr expression in the intestine and peroyxnitrite production of the AMs. Ahr ligands reverses antibiotic-induced lung defense against bacterial infection through intestinal ROS production and NF-κB activation. The gut is critical in maintaining lung defense mechanism through the intestinal IKKβ pathways.
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