Prodrug oncrasin-266 improves the stability, pharmacokinetics, and safety of NSC-743380
作者:Shuhong Wu、Li Wang、Xiao Huang、Mengru Cao、Jing Hu、Hongyu Li、Hui Zhang、Xiaoping Sun、Qing H. Meng、Wayne L. Hofstetter、Jack A. Roth、Stephen G. Swisher、Bingliang Fang
DOI:10.1016/j.bmc.2014.08.006
日期:2014.10
prodrug of NSC-743380, designated oncrasin-266, by modifying NSC-743380 with cyclohexylacetic acid and evaluated its in vitro and in vivo properties. Oncrasin-266 spontaneously hydrolyzed in phosphate-buffered saline in a time-dependent manner and was more stable than NSC-743380 in powder or stock solutions. In vivo administration of oncrasin-266 in mice led to the release of NSC-743380 which improved
通过对含有和不含致癌KRAS基因的同基因细胞系进行合成致死性筛选,并通过先导化合物优化,我们最近开发了一种名为 NSC-743380 (oncrasin-72) 的新型抗癌剂,在一个子集中具有良好的体外和体内抗癌活性癌细胞系,包括KRAS- 突变癌细胞。然而,NSC-743380 倾向于形成二聚体,这会显着降低其抗癌活性。为了改善 NSC-743380 的理化特性,我们通过用环己基乙酸修饰 NSC-743380 合成了 NSC-743380 的前药,命名为 oncrasin-266,并评估了其体外和体内特性。Oncrasin-266 在磷酸盐缓冲盐水中以时间依赖性方式自发水解,并且在粉末或储备溶液中比 NSC-743380 更稳定。在小鼠体内注射 oncrasin-266 导致 NSC-743380 的释放,从而改善 NSC-743380 的药代动力学。组织分布分析显示 oncrasin-266