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Integrins & ion channels, 2010 Molecular complexes & signaling Advances in experimental medicine & biology, Vol. 674 Series, Vol. 674

Langue : Anglais

Coordonnateurs : Becchetti Andrea, Arcangeli Annarosa

Couverture de l’ouvrage Integrins & ion channels
Interdisciplinarity is more often invoked than practised. This is hardly surprising, considering the daunting vastness of modern biology. To reach a satisfactory understanding of a complex biological system, a wide spectrum of conceptual and experimental tools must be applied at different levels, from the molecular to the cellular, tissue and organismic. We believe the multifaceted regulatory interplay between integrin receptors and ion channels offers a rich and challenging field for researchers seeking broad biological perspectives. By mediating cell adhesion to the extracellular matrix, integrins regulate many developmental processes in the widest sense (from cell choice between differentiation and proliferation, to tissue remodeling and organogenesis). Rapidly growing evidence shows that frequent communication takes place between cell adhesion receptors and channel proteins. This may occur through formation of multiprotein membrane complexes that regulate ion fluxes as well as a variety of intracellular signaling pathways. In other cases, cross talk is more indirect and mediated by cellular messengers such as G proteins. These interactions are reciprocal, in that ion channel stimulation often controls integrin activation or expression. From a functional standpoint, studying the interplay between integrin receptors and ion channels clarifies how the extracellular matrix regulates processes as disparate as muscle excitability, synaptic plasticity and lymphocyte activation, just to mention a few. The derangement of these processes has many implications for pathogenesis processes, in particular for tumor invasiveness and some cardiovascular and neurologic diseases. This book provides a general introduction to the problems and methods of this blossoming field.
1. Integrin Structure and Functional Relation with Ion Channels Annarosa Arcangeli and Andrea Becchetti Abstract Introduction Fundamentals of Integrin Structure Physiological and Pathological Implications: an Outline of Current Trends Conclusion 2. Introduction to Ion Channels Chiara Di Resta and Andrea Becchetti Abstract Introduction The Physiology of Ion Channels Ion Channel Types Involved in Integrin?Mediated Signaling Conclusion 3. Biochemical Methods to Study the Interactions Between Integrins and Ion Channels Olivia Crociani Abstract Introduction Yeast Two?Hybrid Screening Affinity?Based Screening: IP Assays Pull?Down Assay Photoaffinity Labeling Techniques for Studying Transient Protein?Protein Interaction Far Western Blot Analysis (Far WB) High?Throughput Protein?Protein Interaction Analysis, Followed by V alidation of Candidate Interactors through Different Experimental Approaches Past and Future Application of Biochemical Approaches to Characterize the Interactions between Integrins and Ion Channels 4. Optical Methods in the Study of Protein?Protein Interactions Alessio Masi, Riccardo Cicchi, Adolfo Carloni, Francesco Saverio Pavone and Annarosa Arcangeli Abstract Introduction Förster Resonance Energy Transfer: The “Molecular Ruler” Intensity Versus Lifetime: Two Ways to Measure FRET Total Internal Reflection Fluorescence Microscopy (TIRFM) and Imaging of Membrane Proteins Antibody?Based Versus Fusion Protein?Based FRET: Principles Antibody?Based Versus Fusion Protein?Based FRET: Advantages and Disadvantages Application of Optical Methods to the Study of Integrins and Ion Channels Conclusion 5. Integrins and Signal Transduction Sara Cabodi, Paola Di Stefano, Maria del Pilar Camacho Leal, Agata Tinnirello, Brigitte Bisaro, Virginia Morello, Laura Damiano, Simona Aramu, Daniele Repetto, Giusy Tornillo and Paola Defilippi Abstract Overview of Integrin Structure The SFK?Fak?p130Cas Signaling Conclusion 6. Physical andFunctional Interaction between Integrins and hERG1 Channels in Cancer Cells Serena Pillozzi and Annarosa Arcangeli Abstract Introduction hERG1 Channels in Cancer Cells Effects of Integrin Activation on hERG1 Channels Integrins and hERG1 Channels form a Macromolecular Complex Effects of hERG1 Activation on Integrin Function and Signaling Conclusion 7. Coordinated Regulation of Va scular Ca2+ and K+ Channels by Integrin Signaling Peichun Gui, Jun?Tzu Chao, Xin Wu, Yan Yang, George E. Davis and Michael J. Davis Abstract Introduction Regulation of L?Type Calcium Channels by Integrin Activation Regulation of Ca2+?Dependent Potassium Channels by Integrin Activation Conclusion: The Physiological Relevance of Coordinated Regulation of CaL and BK Channels by Integrins 8. Adhesion?Dependent Modulation of Macrophage K+ Channels Margaret Colden?Stanfield Abstract Introduction Inwardly Rectifying K+ (Kir) Currents Physiologic and Pathophysiologic Roles of Macrophage Kir Channels Delayed, Outwardly Rectifying K+ (Kdr) Currents Physiologic and Pathophysiologic Roles of Macrophage Kdr Channels Conclusion 9. Integrin Receptors and Ligand?Gated Channels Raffaella Morini and Andrea Becchetti Abstract Introduction The Functional Significance of Integrins in the Adult Brain Integrins and Nicotinic Acetylcholine Receptors: Not Only the Neuromuscular Junction Conclusion 10. Integrins and Ion Channels in Cell Migration: Implications for Neuronal Development, Wound Healing and Metastatic Spread Andrea Becchetti and Annarosa Arcangeli Abstract Introduction The Role of Integrins in Cell Migration The Role of Ion Channels and Crosstalk with Integrins in Cell Migration Ca2+ Signaling and the Axonal Growth Cone Ion Channels as Adhesion Molecules The Cellular Environment and the Metastatic Process Invasiveness of Glial Tumors and Ion Channels Conclusion Index
Presents a series of essays on cellular models that have been studied Gives a brief historical background, summarizes the elements of integrin structure and outlines the main biological problems that involve signal transduction between the cell adhesion machinery and ion channels Provides a primer to the structure and physiology of the most relevant ion channel types Surveys recent views about intracellular signaling triggered by integrin activation, with special emphasis on tyrosine phosphorylation cascades and the relationship with growth factors and cytokines Reviews current technology for studying the molecular complexes formed by integral membrane proteins

Date de parution :

Ouvrage de 124 p.

15.5x23.5 cm

Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).

168,79 €

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