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Activation of the Transcription Factor ISGF3 by Interferon-gamma
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M. Matsumoto
Veröffentlicht/Copyright:
1. Juni 2005
Abstract
The interferon-stimulated gene factor 3 (ISGF3) transcription factor has been extensively studied in the context of the type I interferon (IFN-α/β)-mediated antiviral response; it consists of the major DNA-binding component p48, and the signal transducers and activators of transcription (Stat)1 and Stat2. We show here that type II IFN (IFN-γ) can also invoke the activation of ISGF3 in mouse primary embryonic fibroblasts. In fact, the two Stat proteins were tyrosine phosphorylated in IFN-γ stimulated cells. Our present findings reveal an additional mechanism by which these two distinct types of cytokines, IFN-α/β and -γ, can commonly elicit antiviral activities.
Published Online: 2005-6-1
Published in Print: 1999-6-1
Copyright © 1999 by Walter de Gruyter GmbH & Co. KG
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Artikel in diesem Heft
- To Our Authors, Readers and Subscribers
- Michael Strauss. January 12, 1950 April 29, 1999
- Monoallelic Expression of Pax5: A Paradigm for the Haploinsufficiency of Mammalian Pax Genes?
- Adeno-Associated Viral Vectors for Gene Transfer and Gene Therapy
- Histidyl-tRNA Synthetase
- Dequalinium TM Vesicles Form Stable Complexes with Plasmid DNA which Are Protected from DNase Attack
- On the Role of Thymopoietins in Cell Proliferation. Immunochemical Evidence for New Members of the Human Thymopoietin Family
- Functional Characterization of Atherosclerosis-Associated Ser128Arg and Leu554Phe E-Selectin Mutations
- Cycloheximide, a New Tool to Dissect Specific Steps in ER-Associated Degradation of Different Substrates
- Localization of Rat Cathepsin K in Osteoclasts and Resorption Pits: Inhibition of Bone Resorption and Cathepsin K-Activity by Peptidyl Vinyl Sulfones
- Oxidation of 4-tert-Butylcatechol and Dopamine by Hydrogen Peroxide Catalysed by Horseradisch Peroxidase
- A Non-Radioactive Method for Inexpensive Quantitative RT-PCR
- Activation of the Transcription Factor ISGF3 by Interferon-gamma
- Acquisition of Myogenic Specificity through Replacement of One Amino Acid of MASH-1 and Introduction of an Additional alpha -Helical Turn
- The Heavy Metal-Responsive Transcription Factor-1 (MTF-1) Is Not Required for Neural Differentiation
- Human Fc gamma Receptor IIb Expressed in <I>Escherichia coli</I> Reveals IgG Binding Capability
- Mutational Analysis of Two Stefin A Epitopes
