Product Pathways - NF-kB Signaling
IRF-7 Antibody #4920
|4920S||100 µl (10 western blots)||---||In Stock||---|
|4920||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation
Species predicted to react based on 100% sequence homology: Monkey.
Specificity / Sensitivity
IRF-7 Antibody detects endogenous levels of IRF-7 protein.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro115 of human IRF-7. Antibodies are purified by protein A and peptide affinity chromatography.
Western blot analysis of extracts from Jurkat cells treated with IFN-α (100 nM) for the indicated times, using IRF-7 Antibody.
Interferon regulatory factors (IRFs) comprise a family of transcription factors that function within the Jak/Stat pathway to regulate interferon (IFN) and IFN-inducible gene expression in response to viral infection (1). IRFs play an important role in pathogen defense, autoimmunity, lymphocyte development, cell growth, and susceptibility to transformation. The IRF family includes nine members: IRF-1, IRF-2, ISGF3γ/p48, IRF-3, IRF-4 (Pip/LSIRF/ICSAT), IRF-5, IRF-6, IRF-7, and IRF-8/ICSBP. All IRF proteins share homology in their amino-terminal DNA-binding domains. IRF family members regulate transcription through interactions with proteins that share similar DNA-binding motifs, such as IFN-stimulated response elements (ISRE), IFN consensus sequences (ICS), and IFN regulatory elements (IRF-E) (2).
IRF-7, which is functionally similar to IRF-3, is preferentially expressed in lymphoid cells and induced by virus, LPS, and IFN-α (3-5). IRF-7 plays an essential role in the induction of type I interferon in response viral infecton (6-8). Like IRF-3, IRF-7 is regulated at multiple serine phosphorylation sites near its carboxyl terminus, which are required for nuclear translocation, DNA binding, and transcriptional activity (9-11).
- Taniguchi, T. et al. (2001) Annu Rev Immunol 19, 623-55.
- Honda, K. and Taniguchi, T. (2006) Nat Rev Immunol 6, 644-58.
- Au, W.C. et al. (1998) J Biol Chem 273, 29210-7.
- Wathelet, M.G. et al. (1998) Mol Cell 1, 507-18.
- Marié, I. et al. (1998) EMBO J 17, 6660-9.
- Sato, M. et al. (2000) Immunity 13, 539-48.
- Honda, K. et al. (2005) Nature 434, 772-7.
- Colina, R. et al. (2008) Nature 452, 323-8.
- Lin, R. et al. (2000) J Biol Chem 275, 34320-7.
- Yang, H. et al. (2003) J Biol Chem 278, 15495-504.
- Caillaud, A. et al. (2005) J Biol Chem 280, 17671-7.
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