Non-conventional signal transduction by type 1 interferons: the NF-kappaB pathway
- PMID: 17910035
- DOI: 10.1002/jcb.21535
Non-conventional signal transduction by type 1 interferons: the NF-kappaB pathway
Abstract
Type I interferons (IFNs) regulate diverse cellular functions by modulating the expression of IFN-stimulated genes (ISGs) through the activation of the well established signal transduction pathway of the Janus Kinase (JAK) and signal transducers and activators of transcription (STAT) proteins. Although the JAK-STAT signal transduction pathway is critical in mediating IFN's antiviral and antiproliferative activities, other signaling pathways are activated by IFNs and regulate cellular response to IFN. The NF-kappaB transcription factor regulates the expression of genes involved in cell survival and immune responses. We have identified a novel IFN mediated signal pathway that leads to NF-kappaB activation and demonstrate that a subset of ISGs that play key roles in cellular response to IFN is regulated by NF-kappaB. This review focuses on the IFN-induced NF-kappaB activation pathway and the role of NF-kappaB in ISG expression, antiviral activity and apoptosis, and the therapeutic application of IFN in cancer and infectious disease.
(c) 2007 Wiley-Liss, Inc.
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