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Control of coronavirus infection through plasmacytoid dendritic-cell-derived type I interferon.

Identifieur interne : 001660 ( Ncbi/Merge ); précédent : 001659; suivant : 001661

Control of coronavirus infection through plasmacytoid dendritic-cell-derived type I interferon.

Auteurs : Luisa Cervantes-Barragan [Allemagne] ; Roland Züst ; Friedemann Weber ; Martin Spiegel ; Karl S. Lang ; Shizuo Akira ; Volker Thiel ; Burkhard Ludewig

Source :

RBID : pubmed:16985170

Descripteurs français

English descriptors

Abstract

This study demonstrates a unique and crucial role of plasmacytoid dendritic cells (pDCs) and pDC-derived type I interferons (IFNs) in the pathogenesis of mouse coronavirus infection. pDCs controlled the fast replicating mouse hepatitis virus (MHV) through the immediate production of type I IFNs. Recognition of MHV by pDCs was mediated via TLR7 ensuring a swift IFN-alpha production following encounter with this cytopathic RNA virus. Furthermore, the particular type I IFN response pattern was not restricted to the murine coronavirus, but was also found in infection with the highly cytopathic human severe acute respiratory syndrome (SARS) coronavirus. Taken together, our results suggest that rapid production of type I IFNs by pDCs is essential for the control of potentially lethal coronavirus infections.

DOI: 10.1182/blood-2006-05-023770
PubMed: 16985170

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pubmed:16985170

Le document en format XML

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<div type="abstract" xml:lang="en">This study demonstrates a unique and crucial role of plasmacytoid dendritic cells (pDCs) and pDC-derived type I interferons (IFNs) in the pathogenesis of mouse coronavirus infection. pDCs controlled the fast replicating mouse hepatitis virus (MHV) through the immediate production of type I IFNs. Recognition of MHV by pDCs was mediated via TLR7 ensuring a swift IFN-alpha production following encounter with this cytopathic RNA virus. Furthermore, the particular type I IFN response pattern was not restricted to the murine coronavirus, but was also found in infection with the highly cytopathic human severe acute respiratory syndrome (SARS) coronavirus. Taken together, our results suggest that rapid production of type I IFNs by pDCs is essential for the control of potentially lethal coronavirus infections.</div>
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