Abstract:
:Colorectal cancer is the third and fourth leading cause of cancer in males and females, respectively. Flavonoids, including chalcones, are secondary metabolites in plants that exhibit diverse biological activities, including antibacterial, antimalarial, and antitumor activities. In order to find potent and novel chemotherapy drugs for colorectal cancer, a series of benzochalcone derivatives, in which an α,β-unsaturated carbonyl group was replaced with a pyrazoline, was designed and synthesized. A clonogenic survival assay was performed with each derivative to evaluate antitumor activity. 1-(5-(2,4-Dimethoxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl)naphthalen-2-ol (derivative 7) had the most potent inhibitory effect on the long-term clonogenicity of HCT116 human colorectal cancer cells (IC50=2.4 μM). The results of Western blot and flow cytometric analyses suggested that derivative 7 could inhibit the proliferation of colorectal cancer cells through inhibition of cell cycle progression and induction of apoptosis. To elucidate its molecular mechanism, in vitro kinase binding assays were carried out, which demonstrated that derivative 7 inhibited aurora kinases A and B selectively. The binding modes between the compound and aurora kinases were interpreted using in silico docking experiments to explain the selective inhibitory effects on aurora kinases A and B. These findings will facilitate the design of potent novel benzochalcones as anticancer agents.
journal_name
Bioorg Med Chemjournal_title
Bioorganic & medicinal chemistryauthors
Shin SY,Yoon H,Hwang D,Ahn S,Kim DW,Koh D,Lee YH,Lim Ydoi
10.1016/j.bmc.2013.09.014subject
Has Abstractpub_date
2013-11-15 00:00:00pages
7018-24issue
22eissn
0968-0896issn
1464-3391pii
S0968-0896(13)00794-3journal_volume
21pub_type
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