Induction of apoptosis in human breast adenocarcinoma MCF-7 cells by prodelphinidin B-2 3,3′-di-O-gallate from Myrica rubra via Fas-mediated pathway

Po Lin Kuo, Ya Ling Hsu, Ta Chen Lin, Liang Tzung Lin, Chun Ching Lin

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Myrica rubra Sieb et Zucc. (Myricaceae) is well known as a rich source of tannins. Prodelphinidin B-2 3,3′-di-O-gallate (PB233′OG) is a proanthocyanidin gallate that has been reported to exhibit antioxidant and antiviral activity. In this study, we evaluated the anti-proliferative activity of PB233′OG isolated from the bark of M. rubra in human breast adenocarcinoma MCF-7 cells. To identity the anti-cancer mechanism of PB233′OG, we assayed its effect on apoptosis, cell cycle distribution, and levels of p53, p21/WAF1, Fas/APO-1 receptor and Fas ligand. The results showed that PB233′OG induced apoptosis of MCF-7 cells without mediation of p53 and p21/WAF1. We suggest that Fas/Fas ligand apoptotic system is the main pathway of PB233′OG-mediated apoptosis of MCF-7 cells. Our study reports here for the first time that the activity of the Fas/Fas ligand apoptotic system may participate in the anti-proliferative activity of PB233′OG in MCF-7 cells.

Original languageEnglish
Pages (from-to)1399-1406
Number of pages8
JournalJournal of Pharmacy and Pharmacology
Volume56
Issue number11
DOIs
Publication statusPublished - Nov 2004
Externally publishedYes

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Myrica
MCF-7 Cells
Fas Ligand Protein
Adenocarcinoma
Breast
Apoptosis
Myricaceae
Tannins
Antiviral Agents
Cell Cycle
Antioxidants
Neoplasms

ASJC Scopus subject areas

  • Pharmacology
  • Pharmaceutical Science

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Induction of apoptosis in human breast adenocarcinoma MCF-7 cells by prodelphinidin B-2 3,3′-di-O-gallate from Myrica rubra via Fas-mediated pathway. / Kuo, Po Lin; Hsu, Ya Ling; Lin, Ta Chen; Lin, Liang Tzung; Lin, Chun Ching.

In: Journal of Pharmacy and Pharmacology, Vol. 56, No. 11, 11.2004, p. 1399-1406.

Research output: Contribution to journalArticle

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AU - Lin, Liang Tzung

AU - Lin, Chun Ching

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