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http://dx.doi.org/10.5352/JLS.2011.21.9.1288

Apoptotic Effects of Resveratrol via mTOR and COX-2 Signal Pathways in MCF-7 Breast Cancer Cells  

Lee, Sol-Hwa (Department of Biological Sciences, College of Life Science and Nano Technology, Hannam University)
Lee, Hye-Yeon (Department of Biological Sciences, College of Life Science and Nano Technology, Hannam University)
Park, Song-Yi (Department of Biological Sciences, College of Life Science and Nano Technology, Hannam University)
Park, Ock-Jin (Department of Food and Nutrition, College of Life Science and Nano Technology, Hannam University)
Kim, Young-Min (Department of Biological Sciences, College of Life Science and Nano Technology, Hannam University)
Publication Information
Journal of Life Science / v.21, no.9, 2011 , pp. 1288-1294 More about this Journal
Abstract
Resveratrol, a kind of phytochemical, is presented in grape skins. Resveratorl exerts antiproliferative, anti-cancer and pro-apoptotic activities in cancer cells. Mammalian target of rapamycin (mTOR) is a critical regulator of cellular growth and proliferation, and it is known to be a strategic target for anti-cancer therapeutic uses. mTOR is a major downstream of the PI3K/Akt pathway, which is activated in various cancer cells. It also plays an important role in the survival, proliferation and angiogenesis of cells. Cyclooxygenase-2 (COX-2) is an important protein that mediates inflammatory processes. It plays an important role in various tumors by affecting cell proliferation, mitosis, apoptosis and angiogenesis. In this study, we have investigated the effects of resveratrol on apoptosis through mTOR and COX-2 expression in MCF-7 breast cancer cells. The treatment of resveratrol with different concentrations inhibited proliferation of MCF-7. The data showed that resveratrol induced apoptotic cell death of cancer cells and decreased mTOR and COX-2 expression. These results suggest that resveratrol induces apoptosis of MCF-7 breast cancer cells by inhibiting mTOR and COX-2 expression.
Keywords
Resveratrol; apoptosis; mTOR; COX-2; MCF-7 breast cancer cells;
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