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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | García-Sastre, Adolfo Wang, Junmei Albrecht, Randy A. Wang, Xingyu Hopewell, Emily L. Beg, Amer A. Xie, Mengyu Nogusa, Shoko Balachandran, Siddharth Zheng, Hong |
| Description | Author Affiliation: Wang X ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612); Wang J ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612); Zheng H ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612); Xie M ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612); Hopewell EL ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612); Albrecht RA ( Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029); Nogusa S ( Fox Chase Cancer Center, Philadelphia, PA 19111); García-Sastre A ( Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029); Balachandran S ( Fox Chase Cancer Center, Philadelphia, PA 19111); Beg AA ( Department of Immunology, Moffitt Cancer Center, Tampa, FL 33612) |
| Abstract | Host innate-immune responses are tailored by cell type to control and eradicate specific infectious agents. For example, an acute RNA virus infection can result in high-level expression of type 1 IFNs by both conventional dendritic cells (cDCs) and plasmacytoid dendritic cells (pDCs), but whereas cDCs preferentially use RIG-I-like receptor (RLR) signaling to produce type 1 IFNs, pDCs predominantly use TLRs to induce these cytokines. We previously found that the IκB kinase ß (IKKß)/NF-κB pathway regulates early IFN-ß expression, but not the magnitude of type 1 IFN expression following RLR engagement. In this study, we use IKKß inhibition and mice deficient in IKKß or canonical NF-κB subunits (p50, RelA/p65, and cRel) to demonstrate that the IKKß/NF-κB axis is critical for virus-induced type 1 IFN expression in pDCs, but not in cDCs. We also reveal a crucial and more general requirement for IKKß/NF-κB in TLR- but not RLR-induced expression of type 1 IFNs and inflammatory cytokines. Together, these findings reveal a previously unappreciated specificity of the IKKß/NF-κB signaling axis in regulation of antimicrobial responses by different classes of pattern recognition receptors, and therefore by individual cell types reliant on particular pattern recognition receptors for their innate-immune transcriptional responses. |
| ISSN | 00221767 |
| e-ISSN | 15506606 |
| DOI | 10.4049/jimmunol.1400675 |
| Journal | The Journal of Immunology |
| Issue Number | 5 |
| Volume Number | 193 |
| Language | English |
| Publisher | The American Association of Immunologists |
| Publisher Date | 2014-09-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Dendritic Cells Immunology Gene Expression Regulation I-kappa B Kinase Interferon Type I Nf-kappa B Plasma Cells Signal Transduction Toll-like Receptors Animals Genetics Membrane Proteins Mice Mice, Knockout Nerve Tissue Proteins Research Support, N.i.h., Extramural Research Support, U.s. Gov't, Non-p.h.s. Discipline Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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