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Article Publish Status: FREE
Abstract Title:

Caffeic Acid Phenethyl Ester Inhibits the Proliferation of HEp2 Cells by Regulating Stat3/Plk1 Pathway and Inducing S Phase Arrest.

Abstract Source:

Biol Pharm Bull. 2019 Jul 30. Epub 2019 Jul 30. PMID: 31366853

Abstract Author(s):

Xiabin Ren, Juan Liu, Li Hu, Quan Liu, Dehui Wang, Xianhui Ning

Article Affiliation:

Xiabin Ren

Abstract:

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 ICvalues of 23.8± 0.7 μM for 72 h. Meanwhile, CAPE significantly inhibited activation of Stat3 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 inhibitedthe 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.

Study Type : In Vitro Study

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