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Saturday, May 05, 2012

paywalled: Gynecologic Oncology - Green Tea for Ovarian Cancer Prevention and Treatment: A Systematic Review of the in Vitro, in Vivo and Epidemiological Studies



ScienceDirect.com - Gynecologic Oncology - Green Tea for Ovarian Cancer Prevention and Treatment: A Systematic Review of the in Vitro, in Vivo and Epidemiological Studies

Abstract

Objective

This systematic review was conducted to examine the effects of green tea or green tea components on the prevention and progression of epithelial ovarian cancer.

Methods

Using Medline, EMBASE and SciVerse (last researched: July 2011), we retrieved 22 articles including 5 epidemiological studies.

Results

In epithelial ovarian cancer cell lines, green tea and green tea components have been shown to down regulate the expression of proteins involved in inflammation, cell signalization, cell motility and angiogenesis. Green tea and green tea components would induce apoptosis and could potentiate the effects of cisplatin, a chemotherapeutic agent. In human observational studies, significant associations between green tea intake and both decreased ovarian cancer occurrence and better prognosis were reported.

Conclusions

Available literature suggests potential molecular targets for green tea in ovarian cancer treatment and also provides data supporting the clinical evaluation of the role of green tea or green tea components in ovarian cancer prevention and treatment.

Highlights

► Green tea decreases ovarian cancer-associated protein expression in cell lines.
► Green tea-fed mice develop smaller, less vascularized ovarian cancer xenografts.
► Green tea intake could decrease ovarian cancer occurrence and recurrence in women.

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