The Mobile Receptor Hypothesis: The Role of Membrane Receptor Lateral Movement in Signal Transduction (Molecular Biology Intelligence Unit). Questo articolo non è disponibile.The Mobile Receptor Hypothesis: The Role of Membrane Receptor Lateral Movement in Signal Transduction (Molecular Biology Intelligence Unit)

The Role of Membrane Receptor Lateral Movement in Signal Transduction.

1. Introduction to the Mobile Receptor Hypothesis.- A. The Fluid Mosaic Model of Biological Membranes.- B. The Mobile Receptor Hypothesis.- C. Modern Collision Coupling Theory.- D. Summary and Implications.- 2. Direct Measurement of Lateral Mobility.- A. Introduction.- B. Fluorescence Microscopy.- C. Confocal Microscopy.- D. Fluorescence Photobleaching Recovery.- E. Lateral Mobility in the Cytoplasm and Membranes of Living Cells.- F. Measurements in Artificial and Isolated Membranes.- G. Measurements of Lateral Mobility Using Other Methods.- H. Summary.- 3. Parameters Affecting Plasma Membrane Protein Lateral Mobility.- A. Mechanisms of Protein Immobilization in Biological Membranes.- B. Membrane Lipid Mobility.- C. The Cytoskeleton.- D. Anchorage Modulation.- E. Membrane Protein Sequence Motifs.- F. Domain Structure: Regions of Restricted Mobility.- G. Signal Transduction.- H. Summary.- 4. Lateral Mobility of Polypeptide Hormone Receptors and GTP-Binding Proteins.- A. Introduction.- B. Practical Considerations.- C. Lateral Mobility Measurements of Polypeptide Hormone Receptors.- D. Tyrosine Kinase Receptor-Mediated Signal Transduction.- E. GTP-Binding Protein Activating Receptor-Mediated Signal Transduction.- F. Structural Considerations.- G. Lateral Mobility Measurements of GTP-Binding Proteins.- H. Lateral Mobility of Cytokine Receptors.- I. Summary and Implications for Signal Transduction.- 5. Evidence for the Role of Membrane Receptor Lateral Movement in GTP-Binding Protein-Mediated Signal Transduction.- A. Introduction.- B. Kinetic Considerations in GTP-Binding Protein-Mediated Receptor-Effector Systems.- C. Indirect Evidence for a Role of Receptor Lateral Movement in GTP-Binding Protein-Mediated Signal Transduction.- D. Direct Evidence for a Role of Receptor Lateral Movement in GTP-Binding Protein-Mediated Signal Transduction.- E. Ga Signaling in the Cytosolic Phase.- F. Stoichiometric Considerations and Trimeric GTP-Binding Protein Immobility.- G. Amplification in GTP-Binding Protein-Mediated Receptor-Effector Systems Through Receptor Lateral Movement.- H. Summary.- 6. Evidence for the Role of Receptor Immobilization in Desensitization Subsequent to Hormonal Stimulation.- A. Introduction.- B. Receptor Internalization in Desensitization of Response.- C. Receptor Immobilization Prior to Internalization.- D. Receptor Movement Required for Internalization.- E. Kinetic Considerations with Respect to Lateral Mobility Measurements.- F. Receptor Phosphorylation.- G. Studies with Receptor Antagonists―Receptor Immobilization Is Agonist-Dependent.- H. Summary.- 7. Evidence for the Role of Immobilization of Ligand-Occupied Membrane Receptors in Signal Transduction.- A. Introduction.- B. Receptor Immobilization in Tyrosine Kinase Receptor Signaling.- C. Receptor Immobilization in Signaling by Fc Receptors.- D. Receptor Immobilization in Cell-Cell Interaction.- E. Receptor Immobilization in Cell-Adhesion to an Extracellular Substratum.- F. Summary.- 8. The Mobile Receptor Hypothesis: A Global View.- A. Introduction.- B. Receptor Lateral Movement in Signal Transduction.- C. The Central Role of the Cytoskeleton.- D. Signal Transduction: Receptor Lateral Mobility Modulation by Heterologous Signaling.- E. Potential Pharmacological Applications of the Mobile Receptor Hypothesis.- F. Concluding Remarks.