SECTION I GENERAL CONSIDERATIONS: Cell Biology of Signal Transduction: An Overview of Membrane Receptors, G Proteins, And Second Messengers. Calcium, Phospholipids, And Cell Signaling. Steroid Hormones: Mechanisms of Cell Signaling. The Na+, K+-Atpase and Its Endogenous Inhibitors: New Insights Into Structural Characteristics and Renal Actions. Proto-Oncogenes as Targets of Hormone and Growth-Factor Actions in the Kidney SECTION II SPECIFIC HORMONES and AUTACOIDS: Molecular Actions of Angiotensin in the Kidney. Cellular Mechanisms of Action of Aldosterone. The Molecular Mechanisms of Regulation of Renal Phosphate Transport By Dietary Phosphate, Parathyroid Hormone, And Vitamin D. Cellular Signaling and Mechanisms of Vasopressin Action. The Renal Eicosanoids. Kinins: Biotransformation and Cellular Mechanisms of Action. Adenosine: Mechanisms of Renal Action. Endothelin: New Insights Into Cellular Mechanisms and Renal Actions. Dopamine: An Intrarenal Hormone. Insulin, Insulin-Like Growth Factors, And the Kidney. Epidermal Growth Factor and Transforming Growth Factor-Alpha: New Insights Into Cellular Mechanisms and Renal Actions. Transforming Growth Factor-Beta: An Update on Systemic and Renal Actions. Index