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  3. Discovery of tertiary amide derivatives incorporating benzothiazole moiety as anti-gastric cancer agents in vitro via inhibiting tubulin polymerization and activating the Hippo signaling pathway

Discovery of tertiary amide derivatives incorporating benzothiazole moiety as anti-gastric cancer agents in vitro via inhibiting tubulin polymerization and activating the Hippo signaling pathway

  • Eur J Med Chem. 2020 Oct 1:203:112618. doi: 10.1016/j.ejmech.2020.112618.
Jian Song 1,  Qiu-Lei Gao 2,  Bo-Wen Wu 1,  Ting Zhu 1,  Xin-Xin Cui 1,  Cheng-Jun Jin 1,  Shu-Yu Wang 1,  Sheng-Hui Wang 1,  Dong-Jun Fu 3,  Hong-Min Liu 1,  Sai-Yang Zhang 4,  Yan-Bing Zhang 5,  Yong-Chun Li 6
Affiliations

Affiliations

  • 1 Institute of Drug Discovery & Development, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China; School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Zhengzhou University, Zhengzhou, 450001, China.
  • 2 Institute of Drug Discovery & Development, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China; School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Zhengzhou University, Zhengzhou, 450001, China; School of Mechanics and Safety Engineering, ZhengZhou University, China.
  • 3 Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, China.
  • 4 Institute of Drug Discovery & Development, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China; School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Zhengzhou University, Zhengzhou, 450001, China; Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450001, China. Electronic address: saiyangz@zzu.edu.cn.
  • 5 Institute of Drug Discovery & Development, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China; School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Zhengzhou University, Zhengzhou, 450001, China. Electronic address: zhangyb@zzu.edu.cn.
  • 6 Institute of Drug Discovery & Development, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China; School of Pharmaceutical Sciences, Key Laboratory of Advanced Drug Preparation Technologies (Ministry of Education), Zhengzhou University, Zhengzhou, 450001, China. Electronic address: ycli78@zzu.edu.cn.
PMID: 32682200 DOI: 10.1016/j.ejmech.2020.112618
Abstract

On the basis and continuation of our previous studies on anti-tubulin and anti-gastric Cancer agents, novel tertiary amide derivatives incorporating benzothiazole moiety were synthesized and the antiproliferative activity was studied in vitro. Preliminary structure activity relationships (SARs) were explored according to the in vitro antiproliferative activity results. Some of compounds could significantly inhibit the proliferation of three Cancer cells (HCT-116, MGC-803 and PC-3 cells) and compound F10 exhibited excellent antiproliferative activity against HCT-116 cells (IC50 = 0.182 μM), MGC-803 cells (IC50 = 0.035 μM), PC-3 cells(IC50 = 2.11 μM) and SGC-7901 cells (IC50 = 0.049 μM). Compound F10 effectively inhibited tubulin polymerization (IC50 = 1.9 μM) and bound to colchicine binding site of tubulin. Molecular docking results suggested compound F10 could bind tightly into the colchicine binding site of β-tubulin. Moreover, compound F10 could regulate the Hippo/YAP signaling pathway. Compound F10 activated Hippo signaling pathway from its very beginning MST1/2, as the result of Hippo cascade activation YAP were inhibited. And then it led to a decrease of c-Myc and Bcl-2 expression. Further molecular experiments showed that compound F10 arrested at G2/M phase, inhibited cell colony formatting and induced extrinsic and intrinsic Apoptosis in MGC-803 and SGC-7901 cells. Collectively, compound F10 was the first to be reported as a new Anticancer agent in vitro via inhibiting tubulin polymerization and activating the Hippo signaling pathway.

Keywords

Benzothiazole; Colchicine binding site tubulin inhibitor; Gastric cancer; Hippo signaling pathway; Tertiary amide.

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