aurora B kinase is highly expressed in several cancer cells and promotes tumorigenesis and progression, and therefore, it is an important target for drug to treat tumors. Quercetin was identified to be an antitumor agent. Herein, we report for the first time that quercetin inhibited aurora B activities by directly binding with aurora B in vitro and in vivo. Ex vivo studies showed that quercetin inhibited aurora B activities in JB6 Cl41 cells and A549 lung cancer cells. Moreover, knockdown of aurora B in A549 cells decreased their sensitivities to quercetin. In vivo study demonstrated that injection of quercetin in A549 tumor‐bearing mice effectively suppressed cancer growth. The phosphorylation of histone 3 in tumor tissues was also decreased after quercetin treatment. In short, quercetin can suppress growth of lung cancer cells as an aurora B inhibitor both in vitro and in vivo.
Quercetin suppresses lung cancer growth by targeting Aurora B kinase
Xingyu Zhu,Peijie Ma,Peng Dan,Wang Youg,Daojun Wang,Xinzheng Chen,Zhang Xijun,Yang-xiu Song
Published 2016 in Cancer Medicine
ABSTRACT
PUBLICATION RECORD
- Publication year
2016
- Venue
Cancer Medicine
- Publication date
2016-09-01
- Fields of study
Medicine, Chemistry
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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