Abstract
Abstract A new heterocyclic compound 7-methoxy-6-(3-morpholinopropoxy)quinazolin-4(3H)-one (1), designed using methyl 5-hydroxy-4-methoxy-2-nitrobenzoate (2) as the starting material, was successfully obtained via multiple synthesis route and finally characterized by fourier transform infrared (FT-IR) spectroscopy, 1H nuclear magnetic resonance (NMR), and single crystal X-ray crystallography. We investigated its effect on cell viability and proliferation with Cell Counting Kit-8 (CCK8) assay. The results revealed that compound 1 could block the proliferation of Saos-2 bone cancer cells. In addition, Annexin V-FITC/PI assay and Western blot analysis were performed to detect whether compound 1 could induce cell apoptosis. The results indicated that compound 1 could increase the number of apoptotic cells remarkably. Moreover, we examined the impact of compound 1 on ROS generation. Results revealed that compound 1 up-regulated the reactive oxygen species (ROS) genes expression and promoted the accumulation of ROS in Saos-2 cells. Finally, molecular docking has been utilized to study the binding mode of compound 1 with tubulin.
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