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Western blot analysis of extracts from HeLa cells treated with Roscovitine (20 μM) for the indicated times using Phospho-MAPK/CDK Substrates (PXSP or SPXR/K) (34B2) Rabbit mAb #2325 (left) or Phospho-(Ser) CDKs Substrate Antibody #2324 (right).Learn more about how we got this image
Western blot analysis of extracts from HeLa cells treated with Roscovitine (20 μM) for the indicated times using an antibody to Rb.Learn more about how we got this image
Gallery: Roscovitine #9885
Roscovitine [(R) stereoisomer] is supplied as a 1 mg powder. Store at or below -20ºC. Before use, dissolve powder in 143 μl DMSO or MeOH to make a 20 mM stock solution. The suggested working concentration is 20 μM in tissue culture medium. Treat cells for 4-24 hours. Store solution at -20ºC.Storage: Store lyophilized or in solution at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.
Roscovitine is a cell permeable reversible selective inhibitor of cyclin-dependent kinases CDK1 (cdc2), CDK2 and CDK5 (1). A purine analog, this drug competes for the binding site of ATP in the catalytic cleft. Treatment of cultured cells with roscovitine can cause cell cycle arrest or apoptosis (1-4). The IC50 for cdc2 activity is 0.65 μM in vitro (1).
For Research Use Only. Not For Use In Diagnostic Procedures. Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.