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Ion flux in the lung: virus-induced inflammasome activation

Triantafilou, Kathy ORCID: and Triantafilou, Martha ORCID: 2014. Ion flux in the lung: virus-induced inflammasome activation. Trends in Microbiology 22 (10) , pp. 580-588. 10.1016/j.tim.2014.06.002

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Innate immunity has a primary role in lung antimicrobial defenses. The inflammasome has evolved for this purpose and is an important surveillance system that, when triggered, fights infection and eliminates pathogens. However, there is growing evidence that the inflammasome also plays a role in the pathogenesis of acute and chronic respiratory disease. Inflammasomes contribute to both the clearance of the pathogen as well as its pathogenesis – depending on the amount of inflammation triggered. How respiratory viruses trigger inflammasome activation remains unclear. Emerging evidence shows that ion flux is responsible for triggering inflammasome activation in the lung, causing lung pathology and disease exacerbations. Viroporins, encoded by all common respiratory viruses, are responsible for the changes in intracellular ion homeostasis that modulate inflammasome activation. This is a novel mechanism by which respiratory viral infection activates inflammasomes, and identifies sensing of disturbances in intracellular ionic concentrations as a novel pathogen-recognition pathway in the lung.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: Q Science > QR Microbiology
Publisher: Elsevier
ISSN: 0966-842X
Last Modified: 28 Oct 2022 10:36

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