Objective To investigate the preventive effects and the molecular mechanisms of green tea and tea extracts (polyphenols and EGCG) on left ventricle hypertrophy (LVH) induced by renovascular hypertension in rats.Method One hundred and sixty male Wistar rats were randomly divided into five groups: negative control group (Sham), positive control group (2K1C), green tea group (2KIC+GT), tea polyphenol group (2K1C+TP), EGCG group (2K1C+EGCG). After surgery operation, rats in different groups received tap water, ...