Product Pathways - PI3K / Akt Signaling
GSK-3α (D80E6) Rabbit mAb #4337
|4337S||100 µl (10 western blots)||---||In Stock||---|
|4337P||40 µl (4 western blots)||---||In Stock||---|
|4337||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat, Hamster, Monkey||Endogenous||51||Rabbit IgG|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation
Specificity / Sensitivity
GSK-3α (D80E6) Rabbit mAb detects endogenous levels of total GSK-3α protein. The antibody does not cross-react with GSK-3β.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the sequence of human GSK-3α protein.
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).
GSK-3α regulates the production of amyloid-β peptides, a major component of the plaques that accumulate with progression of Alzheimer disease. Administration of therapeutic concentrations of lithium, a GSK-3 inhibitor, attenuates amyloid-β production by specifically inhibiting the cleavage of amyloid precursor protein (APP) by γ-secretase, blocking accumulation of amyloid-β peptides in the brains of mice that overproduce APP (6).
- Welsh, G.I. et al. (1996) Trends Cell. Biol. 6, 274-279.
- Srivastava, A.K. and Pandey, S.K. (1998) Mol. Cell. Biochem. 182, 135-141.
- Cross, D.A. et al. (1995) Nature 378, 785-789.
- Nusse, R. (1997) Cell 89, 321-323.
- Diehl, J.A. et al. (1998) Genes Dev. 12, 3499-3511.
- Phiel, C.J. et al. (2003) Nature 423, 435-439.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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