TGFB1 and cancer: Catechins containing galloyl moiety, or gallated catechins (such as EGCG, GCG, ECG, and CG) potently suppressed the EMT and migration of ovarian cancer cell ES-2 induced by TGF-β (117, 118), indicating they play a role in inhibiting the metastasis of cancer cells by regulating EMT markers and inhibiting EMT.