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Identification of new halogen-containing 2,4-diphenyl indenopyridin-5-one derivative as a boosting agent for the anticancer responses of clinically available topoisomerase inhibitors
- Identification of new halogen-containing 2,4-diphenyl indenopyridin-5-one derivative as a boosting agent for the anticancer responses of clinically available topoisomerase inhibitors
- Hwang S.-Y.; Shrestha A.; Park S.; Bist G.; Kunwar S.; Kadayat T.M.; Jang H.; Seo M.; Sheen N.; Kim S.; Jeon K.-H.; Lee E.-S.; Kwon Y.
- Ewha Authors
- 권영주; 전경화
- SCOPUS Author ID
- Issue Date
- Journal Title
- European Journal of Medicinal Chemistry
- European Journal of Medicinal Chemistry vol. 227
- Elsevier Masson s.r.l.
- SCIE; SCOPUS
- Document Type
- Based on previous reports on the significance of halogen moieties and the indenopyridin-5-one skeleton, we designed and synthesized a novel series of halogen (F−, Cl−, Br−, CF3− and OCF3−)-containing 2,4-diphenyl indenopyridin-5-ones and their corresponding -5-ols. Unlike indenopyridin-5-ols, most of the prepared indenopyridin-5-ones with Cl−, Br−, and CF3− groups at the 2-phenyl ring conferred a strong dual topoisomerase I/IIα inhibitory effect. Among the series, para-bromophenyl substituted compound 9 exhibited the most potent topoisomerase inhibition and antiproliferative effects, which showed dependency upon the topoisomerase gene expression level of diverse cancer cells. In particular, as a DNA minor groove-binding non-intercalative topoisomerase I/IIα catalytic inhibitor, compound 9 synergistically promoted the anticancer efficacy of clinically applied topoisomerase I/IIα poisons both in vitro and in vivo, having the great advantage of alleviating poison-related toxicities. © 2021 Elsevier Masson SAS
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