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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Arch Biochem Biophys. 2010 Jun 15;501(1):65–72. doi: 10.1016/j.abb.2010.06.013

Figure 4.

Figure 4

Proposed model for the mechanism by which the antioxidant and/or pro-oxidant effects tea polyphenols inhibit the carcinogenic process. ROS = reactive oxygen species, ARE = antioxidant response element, GST = glutathione S transferase, γGT = gamma glutamyltransferase.