PathScan® Phospho-GSK-3β (Ser9) Sandwich ELISA Kit #7311
Filter:
- ELISA
Supporting Data
| REACTIVITY | H M R Mk |
Application Key:
- ELISA-ELISA
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Description
The PathScan® Phospho-GSK-3β (Ser9) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of GSK-3β protein phosphorylated at Ser9. A GSK-3β mouse mAb has been coated onto the microwells. After incubation with cell lysates, GSK-3β (phospho and nonphospho) protein is captured by the coated antibody. Following extensive washing, a phospho-GSK-3β (Ser9) rabbit mAb is added to detect the captured phospho-GSK-3β 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 the absorbance for this developed color is proportional to the quantity of GSK-3β phosphorylated at Ser9.
*Antibodies in this kit are custom formulations specific to kit.
*Antibodies in this kit are custom formulations specific to kit.
Protocol
Specificity / Sensitivity
PathScan® Phospho-GSK-3β (Ser9) Sandwich ELISA Kit #7311 detects endogenous levels of human GSK-3β protein when phosphorylated at Ser9 as shown in Figure 1. The kit sensitivity is shown in Figure 2. 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, Rat, Monkey
Background
Glycogen synthase kinase-3 (GSK-3) was initially identified as an enzyme that regulates glycogen synthesis in response to insulin (1). GSK-3 is a ubiquitously expressed serine/threonine protein kinase that phosphorylates and inactivates glycogen synthase. GSK-3 is a critical downstream element of the PI3K/Akt cell survival pathway whose activity can be inhibited by Akt-mediated phosphorylation at Ser21 of GSK-3α and Ser9 of GSK-3β (2,3). GSK-3 has been implicated in the regulation of cell fate in Dictyostelium and is a component of the Wnt signaling pathway required for Drosophila, Xenopus, and mammalian development (4). GSK-3 has been shown to regulate cyclin D1 proteolysis and subcellular localization (5).
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