RRC ID 5308
著者 Lee HK, Lund JM, Ramanathan B, Mizushima N, Iwasaki A.
タイトル Autophagy-dependent viral recognition by plasmacytoid dendritic cells.
ジャーナル Science
Abstract Plasmacytoid dendritic cells (pDCs) detect viruses in the acidified endosomes by means of Toll-like receptors (TLRs). Yet, pDC responses to certain single-stranded RNA (ssRNA) viruses occur only after live viral infection. We present evidence here that the recognition of such viruses by TLR7 requires transport of cytosolic viral replication intermediates into the lysosome by the process of autophagy. In addition, autophagy was found to be required for the production of interferon-alpha by pDCs. These results support a key role for autophagy in mediating ssRNA virus detection and interferon-alpha secretion by pDCs and suggest that cytosolic replication intermediates of viruses serve as pathogen signatures recognized by TLR7.
巻・号 315(5817)
ページ 1398-401
公開日 2007-3-9
DOI 10.1126/science.1136880
PII 1136880
PMID 17272685
MeSH Animals Autophagy* Dendritic Cells / immunology* Dendritic Cells / physiology Dendritic Cells / virology* Endosomes / immunology Endosomes / virology Female Immunity, Innate Interferon-alpha / metabolism Interleukin-12 / metabolism Lysosomes / virology Male Membrane Glycoproteins / immunology* Mice Mice, Transgenic Phagosomes / physiology Phagosomes / ultrastructure RNA, Viral / immunology* RNA, Viral / metabolism Rhabdoviridae Infections / immunology* Toll-Like Receptor 7 / immunology* Vesicular stomatitis Indiana virus / immunology* Vesicular stomatitis Indiana virus / physiology Virus Replication
IF 41.846
引用数 633
WOS 分野 IMMUNOLOGY
リソース情報
実験動物マウス RBRC00806