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Int. J. Mol. Sci. 2008, 9(7), 1196-1206; doi:10.3390/ijms9071196
Review

Tea Polyphenols and Their Roles in Cancer Prevention and Chemotherapy

*  and
Received: 8 May 2008 / Revised: 26 June 2008 / Accepted: 27 June 2008 / Published: 12 July 2008
(This article belongs to the Special Issue Natural Compounds for Cancer Treatment and Prevention)
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Abstract

Many plant-derived, dietary polyphenols have been studied for their chemopreventive and chemotherapeutic properties against human cancers, including green tea polyphenols, genistein (found in soy), apigenin (celery, parsley), luteolin (broccoli), quercetin (onions), kaempferol (broccoli, grapefruits), curcumin (turmeric), etc. The more we understand their involved molecular mechanisms and cellular targets, the better we could utilize these “natural gifts” for the prevention and treatment of human cancer. Furthermore, better understanding of their structure-activity relationships will guide synthesis of analog compounds with improved bio-availability, stability, potency and specificity. This review focuses on green tea polyphenols and seeks to summarize several reported biological effects of tea polyphenols in human cancer systems, highlight the molecular targets and pathways identified, and discuss the role of tea polyphenols in the prevention and treatment of human cancer. The review also briefly describes several other dietary polyphenols and their biological effects on cancer prevention and chemotherapy.
Keywords: tea polyphenols; cancer prevention; chemotherapy tea polyphenols; cancer prevention; chemotherapy
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Chen, D.; Dou, Q.P. Tea Polyphenols and Their Roles in Cancer Prevention and Chemotherapy. Int. J. Mol. Sci. 2008, 9, 1196-1206.

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