GSK923295(GSK 923295, GSK-923295)是一种特异性、变构性CENP-E驱动蛋白ATPase抑制剂，与ATP和微管（microtubules，MT）非竞争性地抑制CENP-E MT刺激的ATPase活性，Ki值为3.2 nM，选择性高于其他驱动蛋白。GSK923295抑制无机磷的释放，稳定CENP-E马达域与微管相互作用，抑制237种肿瘤细胞和多种移植瘤模型中CENP-E驱动蛋白活性，诱导细胞停滞在有丝分裂期，抑制肿瘤细胞生长。GSK923295与MEK1/2抑制剂联合使用时具有显著的协同抑制活性，有丝分裂期阻滞和细胞凋亡率也有所提高。

【该产品仅用于科研实验，不能用于人体】

参考文献

[1] Wood KW, et al. Antitumor activity of an allosteric inhibitor of centromere-associated protein-E. Proc.Nat.Acad.Sci.USA 107(13): 5839-5844 (2010).

[2] Qian XP, et al. Discovery of the first potent and selective inhibitor of centromere-associated protein E: GSK923295. ACS Med.Chem.Lett 1(1): 30-34 (2010).

[3] A. Bennett, et al. Cenp-E inhibitor GSK923295: Novel synthetic route and use as a tool to generate aneuploidy. Oncotarget 6(25): 20921-20932 (2015).

[4] Mayers PA, et al. Mitogen-activated protein kinase (MEK/ERK) inhibition sensitizes cancer cells to centromere-associated protein E inhibition. Int. J. Cancer: 132: E149–E157 (2013).

粉末直接保存于-20 ºC，有效期2年。溶于DMSO。建议分装后-20ºC避光保存，避免反复冻存，至少可存放6个月。