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  • 标题:Caffeic Acid Phenethyl Ester Inhibits the Proliferation of HEp2 Cells by Regulating Stat3/Plk1 Pathway and Inducing S Phase Arrest
  • 本地全文:下载
  • 作者:Xiabin Ren ; Juan Liu ; Li Hu
  • 期刊名称:Biological and Pharmaceutical Bulletin
  • 印刷版ISSN:0918-6158
  • 电子版ISSN:1347-5215
  • 出版年度:2019
  • 卷号:42
  • 期号:10
  • 页码:1689-1693
  • DOI:10.1248/bpb.b19-00315
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:

    Caffeic acid phenethyl ester (CAPE), an active polyphenolic component of honeybee propolis, has been demonstrated to have many medicinal properties. However, the antitumor effect and mechanism of CAPE on laryngeal carcinoma cells have not been examined. In this study, we treated HEp2 cells with various concentration of CAPE, and the results showed that CAPE can reduce the viability of HEp2 cells with IC50 values of 23.8 ± 0.7 µM for 72 h. Meanwhile, CAPE significantly inhibited activation of signal transducer and activator of transcription (Stat)3 in a concentration dependent manner in HEp2 cells and regulated the expression and transcription of Plk1. AG490, a specific Stat3 inhibitor, not only inhibited the activation and expression of Stat3, but also inhibited the expression of Plk1 in HEp2 cells, so Stat3 was probably involved in the regulation of Plk1 in HEp2 cells. In addition, treatment of CAPE leaded to a blockage of cell cycle in S phase in HEp2 cells. Therefore, CAPE inhibited the proliferation of HEp2 Cells probably by regulating Stat3/Plk1 pathway and inducing S phase arrest.

  • 关键词:caffeic acid phenethyl ester (CAPE);laryngeal carcinoma;anti-proliferation
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