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Opn: key regulator of pDC interferon production

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Plasmacytoid dendritic cells selectively express Toll-like receptors 7 and 9 and respond to virus infection by triggering massive interferon production, a pathway regulated by osteopontin expressed in plasmacytoid dendritic cells.

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Figure 1: In pDCs, herpes simplex virus 1 (HSV-1) and CpG DNA trigger T-bet-mediated induction of Opn expression.

Katie Ris

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Cao, W., Liu, YJ. Opn: key regulator of pDC interferon production. Nat Immunol 7, 441–443 (2006). https://doi.org/10.1038/ni0506-441

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