A cell-permeable, potent, reversible, and ATP competitive inhibitor of GSK-3β (IC50 = 4 nM) and Cdk1/cyclin B (IC50 = 35 nM). Displays remarkable in vitro antitumor activity. Inhibits Tau phosphorylation at sites that are typically phosphorylated by GSK-3β in Alzheimer’s disease. Also inhibits Cdk5/p25-dependent phosphorylation of DARPP-32.
A cell-permeable, potent, reversible, and ATP competitive inhibitor of cdk1/cyclin B (IC50 = 35 nM) and GSK-3β (IC50 = 4 nM). One of the most active paullones that acts by competing with ATP for binding to GSK-3β and inhibits the phosphorylation of tau. Also inhibits the activity of Cdk5/p25-dependent phosphorylation of DARPP-32 (a 32 kDa dopamine and adenosine 3′,5′-monophosphate-regulated phosphoprotein). Displays remarkable antitumor activity in vitro. Inhibits growth of the colon cancer cell line HCT-116, with an IC50 in the nanomolar range.
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Leost, M., et al. 2000. Eur. J. Biochem.267, 5983. Schultz, C., et al. 1999. J. Med. Chem. 42, 2909.
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WGK 3
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X-chromosome inactivation is a paradigm of epigenetic transcriptional regulation. Female human embryonic stem cells (hESCs) often undergo erosion of X-inactivation upon prolonged culture. Here, we investigate the sources of X-inactivation instability by deriving new primed pluripotent hESC lines. We find
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