Abstract
A series of chromone derivatives were designed as potential topoisomerase I (Top I) inhibitors based on the docking simulation study. Sixteen synthesized compounds were evaluated for Top I inhibitory activity and some compounds were further tested for in vitro cytotoxic activity. The most potent inhibitor, chromone 11b showed greater inhibitory activity (IC50 = 1.46 μM) than the known Top I inhibitors, i.e., camptothecin, fisetin and morin, but inactive against breast cancer cell (MCF-7), oral cavity cancer cell (KB) and small cell lung cancer (NCI-H187). Chromone 11c, another potent inhibitor (IC50 = 6.16 μM), exhibited cytotoxic activity against KB (IC50 = 73.32 μM) and NCI-H187 (IC50 = 36.79 μM).
Keywords: Chromone derivatives, topoisomerase I inhibitory activity, cytotoxic activity, enzymes, DNA, flavonoids, hydrogen bonds, melting points, dimethylsulfoxide, chromatography
Medicinal Chemistry
Title:Synthesis, Topoisomerase I Inhibitory and Cytotoxic Activities of Chromone Derivatives
Volume: 9 Issue: 3
Author(s): Chirattikan Maicheen, Jiraphun Jittikoon, Opa Vajragupta and Jiraporn Ungwitayatorn
Affiliation:
Keywords: Chromone derivatives, topoisomerase I inhibitory activity, cytotoxic activity, enzymes, DNA, flavonoids, hydrogen bonds, melting points, dimethylsulfoxide, chromatography
Abstract: A series of chromone derivatives were designed as potential topoisomerase I (Top I) inhibitors based on the docking simulation study. Sixteen synthesized compounds were evaluated for Top I inhibitory activity and some compounds were further tested for in vitro cytotoxic activity. The most potent inhibitor, chromone 11b showed greater inhibitory activity (IC50 = 1.46 μM) than the known Top I inhibitors, i.e., camptothecin, fisetin and morin, but inactive against breast cancer cell (MCF-7), oral cavity cancer cell (KB) and small cell lung cancer (NCI-H187). Chromone 11c, another potent inhibitor (IC50 = 6.16 μM), exhibited cytotoxic activity against KB (IC50 = 73.32 μM) and NCI-H187 (IC50 = 36.79 μM).
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Maicheen Chirattikan, Jittikoon Jiraphun, Vajragupta Opa and Ungwitayatorn Jiraporn, Synthesis, Topoisomerase I Inhibitory and Cytotoxic Activities of Chromone Derivatives, Medicinal Chemistry 2013; 9 (3) . https://dx.doi.org/10.2174/1573406411309030003
DOI https://dx.doi.org/10.2174/1573406411309030003 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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