PathScan® Total IκBα Sandwich ELISA Kit #7360
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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 IkappaB-alpha Sandwich ELISA Kit detects endogenous levels of total IκBα protein. Using PathScan® Phospho-IκBα (Ser32) Sandwich ELISA Kit #7355, a significant induction of phospho-IκBα (Ser32) in HeLa cells treated with TNF-α can be detected. However, the level of total IκBα (phospho- and nonphospho-), detected by this Sandwich ELISA Kit #7360, remains unchanged (Figure 1). 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
The NF-κB/Rel transcription factors are present in the cytosol in an inactive state complexed with the inhibitory IκB proteins (1-3). Activation occurs via phosphorylation of IκBα at Ser32 and Ser36 followed by proteasome-mediated degradation that results in the release and nuclear translocation of active NF-κB (3-7). IκBα phosphorylation and resulting Rel-dependent transcription are activated by a highly diverse group of extracellular signals including inflammatory cytokines, growth factors, and chemokines. Kinases that phosphorylate IκB at these activating sites have been identified (8).
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- Beg, A.A. and Baldwin, A.S. (1993) Genes Dev 7, 2064-70.
- Finco, T.S. et al. (1994) Proc Natl Acad Sci USA 91, 11884-8.
- Brown, K. et al. (1995) Science 267, 1485-8.
- Brockman, J.A. et al. (1995) Mol Cell Biol 15, 2809-18.
- Traenckner, E.B. et al. (1995) EMBO J 14, 2876-83.
- Chen, Z.J. et al. (1996) Cell 84, 853-62.
- Karin, M. and Ben-Neriah, Y. (2000) Annu Rev Immunol 18, 621-63.
- Chen, J. et al. (2008) J Cell Mol Med , .
Product Citations: 1
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