Genistein is a phytoestrogen with in vitro anticancerogenic activity. We examined in vitro the effects of genistein alone, or in combination with estradiol and tamoxifen, on the growth of human dysplastic and malignant epithelial breast cell lines.
Department of Obstetrics, Hadassah Medical Center, Ein-Kerem, The Hebrew University Hospital, P.O. Box 12000, Jerusalem il-91120, Israel. tanosv@spidernet.com.cy