<p>Part I: Perspective - The Duality of Arrestin Function</p> <p>1. Arrestins Come of Age: A Personal Historical Perspective</p> <p>Part II: The Molecular Biology of Arrestins</p> <ol> </ol> <p>2. True Arrestins and Arrestin-Fold Proteins: A Structure-Based Appraisal</p> <ol> </ol> <p>3. Structural Determinants of Arrestin Functions</p> <ol> </ol> <p>4. Arrestins: Role in the Desensitization, Sequestration and Vesicular Trafficking of G Protein-Coupled Receptors</p> <ol> </ol> <p>5. Arrestins as Regulators of Kinases and Phosphatases</p> <ol> </ol> <p>6. ß-Arrestins: Modulators of Small GTPase Activation and Function</p> <ol> </ol> <p>7. Arrestins and Protein Ubiquitination</p> <ol> </ol> <p>8. Arrestins in Actin Reorganization and Cell Migration</p> <p>Part III: The Physiological Roles of Arrestins</p> <ol> </ol> <p>9. The Role of Arrestins in Development</p> <ol> </ol> <p>10. The Role of Arrestins in Visual and Disease Processes of the Eye</p> <ol> </ol> <p>11. b-Arrestins in the Central Nervous System</p> <ol> </ol> <p>12. Arrestins in the Cardiovascular System</p> <ol> </ol> <p>13. Arrestins in Bone</p> <ol> </ol> <p>14. b-Arrestins in the Immune System</p> <ol> </ol> <p>15. The Role of b-Arrestins in Cancer</p> <ol> </ol> <p>16. Arrestins in Metabolic Regulation</p> <p>Part IV: The Future - The Potential for Arrestin-based Therapeutics</p> <ol> </ol> <p>17. Systems Analysis of Arrestin Pathway Functions</p> <ol> </ol> <p>18. Arrestin Pathways as Drug Targets</p> <ol> </ol>