PathScan® Total NF-κB p65 Sandwich ELISA Kit #7174
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Supporting Data
| REACTIVITY | H M |
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Description
*Antibodies in kit are custom formulations specific to kit.
Protocol
Specificity / Sensitivity
CST's PathScan® Total NF-kappaB p65 Sandwich ELISA Kit detects endogenous levels of NF-kappaB p65 enzyme. As shown in Figure 1, using the Phospho-NF-kappaB p65 (Ser536) Sandwich ELISA Kit #7173, a significant induction of Phospho-NF-kappaB p65 (Ser536) in HeLa cells treated with TNF-alpha is detected. However, the level of NF-kappaB p65 (either untreated or treated), detected by the Total NF-kappaB p65 Sandwich ELISA Kit #7174, remains unchanged. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.
Species Reactivity:
Human, Mouse
Background
Transcription factors of the nuclear factor κB (NF-κB)/Rel family play a pivotal role in inflammatory and immune responses (1,2). There are five family members in mammals: RelA, c-Rel, RelB, NF-κB1 (p105/p50), and NF-κB2 (p100/p52). Both p105 and p100 are proteolytically processed by the proteasome to produce p50 and p52, respectively. Rel proteins bind p50 and p52 to form dimeric complexes that bind DNA and regulate transcription. In unstimulated cells, NF-κB is sequestered in the cytoplasm by IκB inhibitory proteins (3-5). NF-κB-activating agents can induce the phosphorylation of IκB proteins, targeting them for rapid degradation through the ubiquitin-proteasome pathway and releasing NF-κB to enter the nucleus where it regulates gene expression (6-8). NIK and IKKα (IKK1) regulate the phosphorylation and processing of NF-κB2 (p100) to produce p52, which translocates to the nucleus (9-11).
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- Baeuerle, P.A. and Baltimore, D. (1996) Cell 87, 13-20.
- Haskill, S. et al. (1991) Cell 65, 1281-9.
- Thompson, J.E. et al. (1995) Cell 80, 573-82.
- Whiteside, S.T. et al. (1997) EMBO J 16, 1413-26.
- Traenckner, E.B. et al. (1995) EMBO J 14, 2876-83.
- Scherer, D.C. et al. (1995) Proc Natl Acad Sci USA 92, 11259-63.
- Chen, Z.J. et al. (1996) Cell 84, 853-62.
- Senftleben, U. et al. (2001) Science 293, 1495-9.
- Coope, H.J. et al. (2002) EMBO J 21, 5375-85.
- Xiao, G. et al. (2001) Mol Cell 7, 401-9.
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