quote:Free Radic Biol Med. 2002 Oct 15;33(8):1097-105. Green tea polyphenol epigallocatechin-3-gallate inhibits the IL-1 beta-induced activity and expression of cyclooxygenase-2 and nitric oxide synthase-2 in human chondrocytes. Ahmed S, Rahman A, Hasnain A, Lalonde M, Goldberg VM, Haqqi TM.Int J Cancer. 2004 Sep 28 [Epub ahead of print] Green tea constituent epigallocatechin-3-gallate selectively inhibits COX-2 without affecting COX-1 expression in human prostate carcinoma cells. Hussain T, Gupta S, Adhami VM, Mukhtar H.J Nutr. 2003 Nov;133(11 Suppl 1):3805S-3810S. Inhibition of phorbol ester-induced COX-2 expression by epigallocatechin gallate in mouse skin and cultured human mammary epithelial cells. Kundu JK, Na HK, Chun KS, Kim YK, Lee SJ, Lee SS, Lee OS, Sim YC, Surh YJ. Biochem Pharmacol. 2001 Nov 1;62(9):1175-83. Effects of purified green and black tea polyphenols on cyclooxygenase- and lipoxygenase-dependent metabolism of arachidonic acid in human colon mucosa and colon tumor tissues. Hong J, Smith TJ, Ho CT, August DA, Yang CS.Mutat Res. 2001 Sep 1;480-481:243-68. Molecular mechanisms underlying chemopreventive activities of anti-inflammatory phytochemicals: down-regulation of COX-2 and iNOS through suppression of NF-kappa B activation. Surh YJ, Chun KS, Cha HH, Han SS, Keum YS, Park KK, Lee SS.Nutr Cancer. 2000;38(1):60-4. Suppression of azoxymethane-induced preneoplastic lesions and inhibition of cyclooxygenase-2 activity in the colonic mucosa of rats drinking a crude green tea extract. Metz N, Lobstein A, Schneider Y, Gosse F, Schleiffer R, Anton R, Raul F.