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GSK-923295

Cat No.
CEI-1357
Description
GSK-923295 is a small-molecule inhibitor of the mitotic kinesin centromere-associated protein E (CENP-E) with Ki value of 3.2 nM.
Product Overview
GSK923295 is a specific inhibitor of CENP-E kinesin motor with IC50 value of 3.2 nM. Centromere-associated protein E (CENP-E) is a mitotic kinesin, which is the connect of mitosis process with the mitotic checkpoint signaling. It Interacts with spindle microtubules and contribute to the chromosome alignment, and thus it regulates the cell-cycle transition from metaphase to anaphase. When asynchronous cultured cells were exposed to GSK923295, the penetrant cell-cycle delay in mitosis was observed, which accompanied with morphological changes similar to RNAi-mediated knockdown of CENP-E mRNA. It indicated a significant inhibition of CENP-E by GSK923295.In the presence of GSK9232195, CENP-E microtubule (MT)-stimulated ATPase showed a dramatic slowing of release of ADP and Pi, where the ATP-bound form was stabilized and the activity of CENP-E was inhibited. This observation suggested GSK923295 inhibited CENP-E via the suppression of MT-stimulated ATPase. In mouse model, mice bearing xenografts of the Colo205 colon tumor cell line were administered with GSK923295 of 125 mg/kg. The result showed GSK923295-induced cell-cycle changes of tumor cells and increased scattered apoptosis body. Additionally, long-term study via measuring tumor volume revealed significant antitumor activity of GSK923295, in a manner of dose-dependent.
CAS No.
1088965-37-0
Molecular Weight
592.14
Purity
0.997
Storage
Store at -20°C
Synonyms
GSK 923295; GSK923295
Targets
CENP-E
IC50
3.2 nM (Ki)
Molecular Formula
C32H38ClN5O4
Chemical Name
3-chloro-N-[(2S)-1-[[2-(dimethylamino)acetyl]amino]-3-[4-[8-[(1S)-1-hydroxyethyl]imidazo[1,2-a]pyridin-2-yl]phenyl]propan-2-yl]-4-propan-2-yloxybenzamide
Solubility
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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