Structure-based design and synthesis of imidazo[1,2-a]pyridine derivatives as novel and potent Nek2 inhibitors with in vitro and in vivo antitumor activities

Autor: Hong-yu Li, Yan Nan Kong, Meng Li Zhu, Jian Bei Xi, Feng Jie Guan, Yanfen Fang, Mingliang Ma, Brendan Frett, Xiong Wen Zhang, Wenhao Hu, Yun Zhao, Tong Zhu
Rok vydání: 2016
Předmět:
Zdroj: European journal of medicinal chemistry. 126
ISSN: 1768-3254
Popis: We present herein the discovery and development of novel and potent Nek2 inhibitors with distinctive in vitro and in vivo antitumor activity based on an imidazo[1,2-a]pyridine scaffold. Our studies identified a nonlinear SAR for activity against both Nek2 and cancer cells. Bioisostere and structure-based design techniques were employed to identify compounds 42c (MBM-17, IC50 = 3.0 nM) and 42g (MBM-55, IC50 = 1.0 nM), which displayed low nanomolar activity and excellent selectivity for Nek2. Both compounds effectively inhibited the proliferation of cancer cells by inducing cell cycle arrest and apoptosis. Importantly, the salts form of these two compounds (MBM-17S and MBM-55S) significantly suppressed tumor growth in vivo without apparent toxicity based on appearance and changes in body weight. In summary, MBM-17 and MBM-55 displayed the potential for substantial therapeutic application in cancer treatment.
Databáze: OpenAIRE