DNA Replication Origins, Development, and Cancer.- Getting In and Out of Mitosis.- Nuclear Receptors and Cyclins in Hormone Signaling.- A Novel Function for Cyclin E in Cell Cycle Progression.- IGF-I and the Regulation of Cell Cycle Progression in Smooth Muscle Cells.- Deciphering the Conundrum of Estrogen-driven Breast Cancer: Aurora Kinase Deregulation.- Androgen-mediated Control of the Cyclin D1-RB Axis: Implications for Prostate Cancer.- Pituitary Trophic Status as a Tumorigenic Determinant.- p27 Regulation by Estrogen and Src Signaling in Human Breast Cancer.- The Synergy of Two Ovarian Hormone-induced Enzymes in Human Mammary Carcinogenesis.- Steroid Receptors, Stem Cells and Proliferation in the Human Breast.- Estrogens, Cell Proliferation and Breast Cancer.