Green Tea Polyphenol Epigallocatechin Gallate Affects Gene Expression of Breast Cancer Cells Transformed by the Carcinogen 7,12-Dimethylben(a)Anthracene J. Nutr. 135:2978-2986, 2005 The study concluded that green tea polyphenols affect several biomarkers that are involved in UV induced skin cancer, including the inhibition of angiogenic factors and recruitment of cytotoxic T-cells. Green tea polyphenols could prevent UV induced skin cancer formation and could reduce the growth of established skin tumours. The daily consumption of 5 to 6 cups of green tea by humans provides same levels of green tea polyphenols as used in this study.
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