Contributions of the intestinal microbiome in lung immunity |
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| Authors: | Jeremy P. McAleer Jay K. Kolls |
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| Affiliation: | 1. Department of Pharmaceutical Science and Research, Marshall University School of Pharmacy, Huntington, WV, USA;2. Tulane School of Medicine, Center for Translational Research in Infection and Inflammation, New Orleans, LA, USA |
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| Abstract: | The intestine is a critical site of immune cell development that not only controls intestinal immunity but extra‐intestinal immunity as well. Recent findings have highlighted important roles for gut microbiota in shaping lung inflammation. Here, we discuss interactions between the microbiota and immune system including T cells, protective effects of microbiota on lung infections, the role of diet in shaping the composition of gut microbiota and susceptibility to asthma, epidemiologic evidence implicating antibiotic use and microbiota in asthma and clinical trials investigating probiotics as potential treatments for atopy and asthma. The systemic effects of gut microbiota are partially attributed to their generating metabolites including short chain fatty acids, which can suppress lung inflammation through the activation of G protein‐coupled receptors. Thus, studying the interactions between microbiota and immune cells can lead to the identification of therapeutic targets for chronic lower respiratory diseases. |
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| Keywords: | Asthma Diet Intestine Microbiota T cell |
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