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Virtual Screening and Biological Activity Evaluation of New Potent Inhibitors Targeting Hexokinase-II
Authors:Ruijuan Liu  Xuewei Liu
Affiliation:1.College of Physical Education, Northwest Normal University, Lanzhou 730070, China;2.Department of Pharmacy, Jiangsu Food and Pharmaceutical Science College, Huaian 223003, China
Abstract:Hexokinase-II (HK-II), the rate-limiting step enzyme in the glycolysis pathway, expresses high levels of cancer cells compared with normal cells. Due to its pivotal role in the different aspects of cancer physiology including cellular proliferation, metastasis, and apoptosis, HK-II provides a new therapeutic target for cancer therapy. The structure-based virtual screening targeting HK-II was used to hit identifications from small molecule databases, and the select compounds were further evaluated in biological assays. Forty-seven compounds with the lowest binding energies were identified as potential HK-II inhibitors. Among them, nine compounds displayed the highest cytotoxicity to three different cancer cells. Based on the mechanism study, compounds 4244-3659 and K611-0094 showed an obvious inhibitory effect on the HK-II enzyme. This study identified two potential inhibitors of HK-II and can be helpful for developing potential drugs targeting HK-II in tumor therapy.
Keywords:Hexokinase-II   molecular docking   inhibitor   virtual screen   small molecule
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