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Abstract Title:

Therapeutic Effects of Punicalagin Against Ovarian Carcinoma Cells in Association Withβ-Catenin Signaling Inhibition.

Abstract Source:

Int J Gynecol Cancer. 2016 Aug 19. Epub 2016 Aug 19. PMID: 27540692

Abstract Author(s):

Jian-Ming Tang, Jie Min, Bing-Shu Li, Sha-Sha Hong, Cheng Liu, Ming Hu, Yang Li, Jiang Yang, Li Hong

Article Affiliation:

Jian-Ming Tang

Abstract:

AIM: The aim of this study was to investigate the effects of punicalagin, a polyphenol isolated from Punica granatum, on human A2780 ovarian cancer cells in vitro.

METHODS: The viability of human A2780 ovarian cells was evaluated using Cell Counting Kit-8 assay. Cell cycle was detected with flow cytometry analysis. The protein expression levels of Bcl-2, Bax,β-catenin, cyclin D1, survivin, tissue inhibitor of metalloproteinase (TIMP)-2, and TIMP-3 were measured using Western blot analysis. Matrix metalloproteinase (MMP)-2 and MMP-9 activity was determined with gelatin zymography. Wound healing assay was used to determine cell migration.

RESULTS: Punicalagin inhibited the cell viability of A2780 cells in a dose- and time-dependent manner, and the cell cycle of A2780 cells was arrested in G1/S phase transition. The treatment also induced apoptosis as shown by the up-regulation of Bax and down-regulation of Bcl-2. On the other hand, punicalagin treatment increased the expressions of TIMP-2 and TIMP-3, decreased the activities of MMP-2 and MMP-9, and inhibited cell migration. In addition, theβ-catenin pathway was suppressed as shown by the down-regulations of β-catenin and its downstream factors including cyclin D1 and survivin.

CONCLUSIONS: Punicalagin may have cancer-chemopreventive as well as cancer-chemotherapeutic effects against human ovarian cancer in humans through the inhibition ofβ-catenin signaling pathway.This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in anyway or used commercially.

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