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Murine toll-like receptor 2 activation induces type I interferon responses from endolysosomal compartments.
Molecular Immunology, Helmholtz Centre for Infection Research, Braunschweig, Germany.
2010 (English)In: PloS one, ISSN 1932-6203, Vol. 5, no 4, e10250- p.Article in journal (Refereed) Published
Abstract [en]

The results indicate that TLR2 activation induces pro-inflammatory and type I interferon responses from distinct subcellular sites: the plasma membrane and endolysosomal compartments respectively. Apart from identifying and characterizing a novel pathway for induction of type I interferons, the present study offers new insights into how TLR signaling discriminates and regulates the nature of responses to be elicited against extracellular and endocytosed microbes. These findings may also have clinical implication. Excessive production of pro-inflammatory cytokines and type I IFNs following activation of TLRs is a central pathologic event in several hyper-inflammatory conditions. The discovery that the induction of pro-inflammatory and type I IFN responses can be uncoupled through pharmacological manipulation of endolysosomal acidification suggests new avenues for potential therapeutic intervention against inflammations and sepsis.

Place, publisher, year, edition, pages
2010. Vol. 5, no 4, e10250- p.
URN: urn:nbn:se:umu:diva-46330DOI: 10.1371/journal.pone.0010250PubMedID: 20422028OAI: diva2:437888
Available from: 2011-08-30 Created: 2011-08-30 Last updated: 2011-11-11Bibliographically approved

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