Distinct intracellular trafficking of hepatitis C virus in myeloid and plasmacytoid dendritic cells.

Abstract : Dendritic cells (DCs) are of pivotal importance for the initiation of immune responses to control and eliminate viral infections. The molecular mechanisms of hepatitis C virus (HCV) antigen uptake and processing by blood DCs are poorly defined. Here we show that human blood DC subsets acquire HCV independent of the classical HCV entry factors. Following HCV uptake, human plasmacytoid and myeloid DC subsets deliver HCV antigen into distinct endocytotic compartments, which are dedicated to presentation to CD4(+) or CD8(+) T cells. Our findings support a model of HCV antigen processing and presentation in which DC subsets fulfill distinct functions.
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Journal of Virology, American Society for Microbiology, 2010, 84 (17), pp.8964-9. 〈10.1128/JVI.00517-10〉
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Dernière modification le : lundi 18 décembre 2017 - 01:02:07
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Mélanie Lambotin, Thomas Baumert, Heidi Barth. Distinct intracellular trafficking of hepatitis C virus in myeloid and plasmacytoid dendritic cells.. Journal of Virology, American Society for Microbiology, 2010, 84 (17), pp.8964-9. 〈10.1128/JVI.00517-10〉. 〈inserm-00517147〉

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