Synthesis and evaluation of tetrahydroquinolin-2(1H)-one derivatives as novel anti-pancreatic cancer agents via targeting autophagy
作者:Qi Shen、Jie Wang、Chen-Xi Liu、Wei Cui、Lei Zhang、Yu-chao Zhang、Yue Wang、Jing Wu、Jian-Xin Li
DOI:10.1016/j.ejmech.2019.03.013
日期:2019.5
strategies are urgently needed. During a project aiming at discovery of anticancer agents, we performed a structure modification on polycyclic polyprenylated acylphloroglucinols (PPAPs) skeleton, and discovered that PPAP rearranged to a tetrahydroquinolin-2(1H)-one feature. Here, series of tetrahydroquinolin-2(1H)-one derivatives were designed, synthesized and evaluated against a highly metastatic human
胰腺癌是最致命的肿瘤之一,由于其对营养饥饿的显着耐受性,其5年生存率不到6%,因此迫切需要新的药物和治疗策略。在一个旨在发现抗癌药的项目中,我们对多环多亚丙基化酰基间苯三酚(PPAP)骨架进行了结构修饰,并发现PPAP重排为四氢喹啉2(1 H)-一个特征。在此,设计,合成和评估了一系列四氢喹啉-2(1 H)-one衍生物对高转移性人胰腺癌细胞系(PANC-1)的构效关系。其中,衍生物11k对IC表现出最强的抑制活性营养剥夺条件下4.9μM的50值。相比之下,所有这些衍生物在正常营养条件下对PANC-1细胞均显示出低细胞毒性,这表明这些衍生物似乎具有替代的肿瘤细胞死亡机制,并导致毒性更低。进一步的评估表明,在营养缺乏的条件下,11k减少了菌落的形成并诱导了PANC-1的凋亡,并呈浓度依赖性。在体内研究中,11k显着抑制了裸鼠的肿瘤发展和体重。初步机理研究表明,11k明显下调了LC3-II的表