Name: PathScan ® Phospho-IκBα (Ser32) Sandwich ELISA Kit
Price: 613.00 USD
Availability: InStock

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ELISA

Supporting Data

REACTIVITY

H M

Application Key:

ELISA-ELISA

Species Cross-Reactivity Key:

H-Human
M-Mouse

Product Information

Product Description

CST's PathScan^® Phospho-IκBα (Ser32) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of Phospho-IκBα (Ser32) protein. An IκBα Mouse mAb has been coated onto the microwells. After incubation with cell lysates, both nonphospho- and phospho-IκBα proteins are captured by the coated antibody. Following extensive washing, Phospho-IκBα (Ser32) Antibody is added to detect the captured phospho-IκBα (Ser32) protein. Anti-rabbit IgG, HRP-linked antibody is then used to recognize the bound detection antibody. HRP substrate, TMB, is added to develop color. The magnitude of optical density for this developed color is proportional to the quantity of phospho-IκBα (Ser32) protein.

*Antibodies in kit are custom formulations specific to kit.

Protocol

Specificity / Sensitivity

CST's PathScan^® Phospho-IκBα (Ser32) Sandwich ELISA Kit detects endogenous levels of Phospho-IκBα (Ser32) protein. As shown in Figure 1, using this 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 the Total IκBα Sandwich ELISA Kit #7360, 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

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).

Database Links

UniProt ID: P25963

Entrez-Gene Id: 4792

Product Citations: 3

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For Research Use Only. Not For Use In Diagnostic Procedures.

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PathScan is a registered trademark of Cell Signaling Technology, Inc.

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PathScan® Phospho-IκBα (Ser32) Sandwich ELISA Kit #7355