A highly potent CDK4/6 inhibitor was rationally designed to overcome blood brain barrier in gliobastoma therapy
作者:Lei Yin、Heng Li、Wenjian Liu、Zhenglin Yao、Zhenzhen Cheng、Huabei Zhang、Hui Zou
DOI:10.1016/j.ejmech.2017.12.003
日期:2018.1
thus, CDK4/6 kinase inhibitors are promising candidates for GBM treatment. The recently developed CDK4/6 inhibitors, palbociclib, ribociclib, and abemaciclib, are effective in subcutaneous glioma models, but their blood-brain barrier (BBB) permeability is poor, limiting drug delivery to the central nervous system. Here, we designed and synthesized a series of novel CDK4/6 inhibitors with favorable BBB
多形胶质母细胞瘤(GBM)是成人中最常见和最致命的恶性脑肿瘤。疾病的发展与细胞周期蛋白D-CDK4 / 6-INK4-Rb通路的失调有关,导致增殖增加。因此,CDK4 / 6激酶抑制剂有望成为GBM治疗的候选药物。最近开发的CDK4 / 6抑制剂palbociclib,ribociclib和abemaciclib在皮下神经胶质瘤模型中有效,但它们的血脑屏障(BBB)通透性差,限制了药物向中枢神经系统的传递。在这里,我们设计和合成了一系列具有良好BBB通透性的新型CDK4 / 6抑制剂,用于治疗GBM。化合物11表现出良好的药理特性,并且BBB随K p显着渗透口服剂量为10 mg / kg时,小鼠的Mp值为4.10,K p,uu值为0.23。CDK4 /细胞周期蛋白D1和CDK6 /细胞周期蛋白D3的IC 50值分别为3 nM和1 nM。使用GBM的原位异种移植小鼠模型进行的体内研究表明,对于3