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Interferon-induced guanylate-binding proteins promote cytosolic lipopolysaccharide detection by caspase-11

Meunier, Etienne and Broz, Petr. (2015) Interferon-induced guanylate-binding proteins promote cytosolic lipopolysaccharide detection by caspase-11. DNA and cell biology, Vol. 34, H. 1. pp. 1-5.

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Official URL: http://edoc.unibas.ch/dok/A6338874

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Abstract

Lipopolysaccharide (LPS) from gram-negative bacteria is a classical pathogen-associated molecular pattern and a strong inducer of immune responses. While the detection of LPS on the cell surface and in the endosome by Toll-like receptor 4 (TLR4) has been studied for some time, it has only recently been discovered that LPS can also be sensed in the cytosol of cells by a noncanonical inflammasome pathway, resulting in the activation of the cysteine protease caspase-11. Intriguingly, activation of this pathway requires the production of interferons (IFNs) and the induction of a class of IFN-induced GTPases called guanylate-binding proteins (GBPs), which have previously been linked to cell-autonomous killing of intracellular microbes. In this study, we review the recent advances in our understanding of cytosolic LPS sensing and the function of mammalian GBPs.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Infection Biology (Broz)
UniBasel Contributors:Broz, Petr and Meunier, Etienne
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Mary Ann Liebert
ISSN:1044-5498
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Feb 2015 09:59
Deposited On:06 Feb 2015 09:59

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