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Molecular Dynamics At The Immunological Synapse
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Book Synopsis Molecular Dynamics at the Immunological Synapse by : Pedro Roda-Navarro
Download or read book Molecular Dynamics at the Immunological Synapse written by Pedro Roda-Navarro and published by Frontiers Media SA. This book was released on 2017-03-21 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: The immunological synapse (IS) is a specialised cell-cell adhesion that mediates antigen acquisition and regulates the activation of lymphocytes. Initial studies of the IS showed a structure composed of stable supra-molecular activation clusters (SMAC) organised during the interaction of helper T lymphocytes with B lymphocytes, working as antigen presenting cells. A central SMAC of coalesced T cell receptors (TCRs) and a peripheral SMAC for cell-cell adhesion were observed. IS with similar structure was later described during antigen acquisition by B cells and during the interaction of NK cells with target and healthy cells. More recent research developed with microscopy systems that improve the spatial and temporal resolution has showed the complex molecular dynamics at the IS that governs lymphocyte activation. Currently, the IS is seen as a three-dimensional structure where signalling networks for lymphocyte activation and endosomal and cytoskeleton machinery are polarised. A view has emerged in which dynamic microclusters of signalling complexes are composed of molecular components attached to the plasma membrane and other components conveyed on sub-synaptic vesicles transported to the membrane by cytoskeletal fibers and motor proteins. Much information is nonetheless missing about how the dynamics of the endosomal compartment, the cytoskeleton, and signalling complexes are reciprocally regulated to achieve the function of lymphocytes. Experimental evidence also suggests that the environment surrounding lymphocytes exposed to different antigenic challenge regulates IS assembly and functional output, making an even more complex scenario still far from being completely understood. Also, although some signalling molecular components for lymphocyte activation have been identified and thoroughly studied, the function of other molecules has not been yet uncovered or deeply characterised. This research topic aims to provide the reader with the latest information about the molecular dynamics governing lymphocyte activation. These molecular dynamics dictate cell decisions. Thus, we expect that understanding them will provide new avenues for cell manipulation in therapies to treat different immune-related pathologies.
Book Synopsis Molecular Dynamics at the Immunological Synapse by :
Download or read book Molecular Dynamics at the Immunological Synapse written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The immunological synapse (IS) is a specialised cell-cell adhesion that mediates antigen acquisition and regulates the activation of lymphocytes. Initial studies of the IS showed a structure composed of stable supra-molecular activation clusters (SMAC) organised during the interaction of helper T lymphocytes with B lymphocytes, working as antigen presenting cells. A central SMAC of coalesced T cell receptors (TCRs) and a peripheral SMAC for cell-cell adhesion were observed. IS with similar structure was later described during antigen acquisition by B cells and during the interaction of NK cells with target and healthy cells. More recent research developed with microscopy systems that improve the spatial and temporal resolution has showed the complex molecular dynamics at the IS that governs lymphocyte activation. Currently, the IS is seen as a three-dimensional structure where signalling networks for lymphocyte activation and endosomal and cytoskeleton machinery are polarised. A view has emerged in which dynamic microclusters of signalling complexes are composed of molecular components attached to the plasma membrane and other components conveyed on sub-synaptic vesicles transported to the membrane by cytoskeletal fibers and motor proteins. Much information is nonetheless missing about how the dynamics of the endosomal compartment, the cytoskeleton, and signalling complexes are reciprocally regulated to achieve the function of lymphocytes. Experimental evidence also suggests that the environment surrounding lymphocytes exposed to different antigenic challenge regulates IS assembly and functional output, making an even more complex scenario still far from being completely understood. Also, although some signalling molecular components for lymphocyte activation have been identified and thoroughly studied, the function of other molecules has not been yet uncovered or deeply characterised. This research topic aims to provide the reader with the latest information about the molecular dynamics governing lymphocyte activation. These molecular dynamics dictate cell decisions. Thus, we expect that understanding them will provide new avenues for cell manipulation in therapies to treat different immune-related pathologies.
Book Synopsis The Immune Synapse by : Cosima T. Baldari
Download or read book The Immune Synapse written by Cosima T. Baldari and published by Springer Nature. This book was released on 2023-04-27 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new collection features the most up-to-date essential protocols that are currently being used to study the immune synapse. Beginning with methods for making biophysical measurements, the volume continues by covering the cell biology of synapses, methods for advanced substrate engineering, mechanobiology topics, new technologies to describe and manipulate synaptic components, as well as methods related to sites of action and immunotherapy. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step and readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and fully updated, The Immune Synapse: Methods and Protocols, Second Edition serves as an ideal practical guide for researchers working in this dynamic field. Chapters 5, 11, 18, 27, 30, and 32 are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.
Book Synopsis Immunological Synapse by : Takashi Saito
Download or read book Immunological Synapse written by Takashi Saito and published by Springer Science & Business Media. This book was released on 2009-12-03 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proper physiological functioning of most eukaryotic cells requires their assembly into multi-cellular tissues that form organized organ systems. Cells of the immune system develop in bone marrow and lymphoid organs, but as the cells mature they leave these organs and circulate as single cells. Antigen receptors (TCRs) of T cells search for membrane MHC proteins that are bound to peptides derived from infectious pathogens or cellular transformations. The detection of such speci?c peptide–MHC antigens initiates T cell activation, adhesion, and immune-effectors functions. Studies of normal and transformed T cell lines and of T cells from transgenic mice led to comprehensive understanding of the mole- lar basis of antigen-receptor recognition and signaling. In spite of these remarkable genetic and biochemical advances, other key physiological mechanisms that par- cipate in sensing and decoding the immune context to induce the appropriate cellular immune responses remain unresolved. TCR recognition is tightly regulated to trigger sensitive but balanced T cell responses that result in the effective elimination of the pathogens while minimizing collateral damage to the host. The sensitivity of TCR recognition has to be properly tempered to prevent unintended activation by self-peptide–MHC complexes that cause autoimmune diseases. It is likely that once the TCR is engaged by a peptide– MHC and TCR signaling begins, additional regulatory mechanisms, involving other receptors, would increase the ?delity of the response.
Book Synopsis The Immunological Synapse Part A by :
Download or read book The Immunological Synapse Part A written by and published by Elsevier. This book was released on 2023-01-16 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Immunological Synapse, Part A, Volume 173 in the Methods in Cell Biology series provides state-of-the-art methods for the study of the immunological synapse. Sections cover Imaging polarized granule release at the cytotoxic T cell immunological synapse using TIRF microscopy: control by polarity regulators, Analysis of centrosomal area actin reorganization and centrosome polarization upon lymphocyte activation at the immunological synapse, P815-based redirected degranulation assay to study human NK cell effector functions, Cytotoxic and Chemotactic Dynamics of Natural Killer Cells Quantified by Live-cell Imaging, Quantification of interaction frequency between antigen-presenting cells and T cells by conjugation assay, and more. Other chapters focus on the Study of the Effects of NK-Tumor Cell Interaction by Proteomic Analysis and Imaging, Quantification of lymphocytic choriomeningitis virus specific T cells and LCMV viral titers, Quantification of lymphocytic choriomeningitis virus specific T cells and LCMV viral titers, An in vitro model to monitor natural killer cell effector functions against primary breast cancer, and Standardized Protocol for the Evaluation of Chimeric Antigen Receptor (CAR)-modified Cell Immunological Synapse Quality using the Glass-supported Planar L. Covers various methods related to the study of the immunological synapse Includes detailed, point-by-point, methods as well as various important notes Provides the authority and expertise from an international board of leading scientists
Book Synopsis The Immunological Synapse - Part B by :
Download or read book The Immunological Synapse - Part B written by and published by Elsevier. This book was released on 2023-07-27 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Immunological Synapse - Part B, Volume 178 in the Methods in Cell Biology series provides state-of-the-art methods for the study of the immunological synapse. This first volume covers various aspects on T cell and natural killer (NK) cell synapses, including imaging polarized granule release using TIRF microscopy, analysis of actin reorganization and centrosome polarization, redirected degranulation, live cell-imaging to quantify cytotoxic and chemotactic dynamics, quantification of interactions between APCs and T cells, assessment of membrane lipid state at the immunological synapse, proteomic analysis and imaging of NK-tumor cell interaction, evaluating natural killer cell effector functions against breast cancer cells derived from human tumor tissue, evaluation of chimeric antigen receptor (CAR)-modified cell immunological synapse quality using the glass-supported planar lipid bilayer, and monitoring potency of therapeutic CAR T cells. It also includes one chapter on quantification of lymphocytic choriomeningitis virus specific T cells and LCMV viral titers, and one chapter on the murine antibody-dependent cellular phagocytosis assay. Covers various methods related to the study of the immunological synapse Includes detailed, point-by-point, methods as well as various important notes Provides the authority and expertise from an international board of leading scientists
Book Synopsis Molecular Dynamics by : Lichang Wang
Download or read book Molecular Dynamics written by Lichang Wang and published by BoD – Books on Demand. This book was released on 2012-04-11 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Dynamics is a two-volume compendium of the ever-growing applications of molecular dynamics simulations to solve a wider range of scientific and engineering challenges. The contents illustrate the rapid progress on molecular dynamics simulations in many fields of science and technology, such as nanotechnology, energy research, and biology, due to the advances of new dynamics theories and the extraordinary power of today's computers. This second book begins with an introduction of molecular dynamics simulations to macromolecules and then illustrates the computer experiments using molecular dynamics simulations in the studies of synthetic and biological macromolecules, plasmas, and nanomachines. Coverage of this book includes: Complex formation and dynamics of polymers Dynamics of lipid bilayers, peptides, DNA, RNA, and proteins Complex liquids and plasmas Dynamics of molecules on surfaces Nanofluidics and nanomachines
Book Synopsis Molecular Motor Proteins—Advances in Research and Application: 2012 Edition by :
Download or read book Molecular Motor Proteins—Advances in Research and Application: 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Motor Proteins—Advances in Research and Application: 2012 Edition is a ScholarlyBrief™ that delivers timely, authoritative, comprehensive, and specialized information about Molecular Motor Proteins in a concise format. The editors have built Molecular Motor Proteins—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Molecular Motor Proteins in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Molecular Motor Proteins—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Book Synopsis The Immune Synapse as a Novel Target for Therapy by : Luis Graca
Download or read book The Immune Synapse as a Novel Target for Therapy written by Luis Graca and published by Birkhäuser. This book was released on 2007-10-19 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gives an overview on the progress in immune synapse research, from basic science to clinical trials, and the major mechanisms involved. It discusses how interfering with T cell activation may lead to immune tolerance, immune modulation, and the recruitment of regulatory T cells; the role of monoclonal antibodies in tolerance induction; and mechanisms maintaining dominant tolerance.
Book Synopsis Major Histocompatibility Complex (MHC) in Health and Disease by : Jerzy K. Kulski
Download or read book Major Histocompatibility Complex (MHC) in Health and Disease written by Jerzy K. Kulski and published by MDPI. This book was released on 2020-01-15 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major histocompatibility complex (MHC) is a highly polymorphic and diverse multigene locus in all jawed vertebrate species that has an integral role in adaptive/innate immune systems, transplantation, and infectious and autoimmune diseases. The MHC supra-locus in mammalian vertebrates is usually partitioned into three distinct regions, known as classes I, II, and III, which, to varying extents, can be found conserved in nonmammalian jawed vertebrates, such as bony fish, amphibians, and bird lineages. The MHC gene region is characterized particularly by the expression of class I and class II glycoproteins that bind peptides derived from intracellular or extracellular antigens to circulating T-cells. While this expressed antigenic specificity remains the predominant interest with respect to MHC function and polymorphism in a population, a broader concept has emerged that examines the MHC as a multifunctional polymorphic controller that facilitates and regulates genome diversity with a much greater array of functions and effects than just MHC-restricted antigen recognition. This volume of 19 reprints presented by various experts and collected from the Special Issue of Cells on “MHC in Health and Disease” covers a broad range of topics on the genomic diversity of the MHC regulatory system in various vertebrate species, including MHC class I, II, and III genes; innate and adaptive immunity; neurology; transplantation; haplotypes; infectious and autoimmune diseases; fecundity; conservation; allelic lineages; and evolution. Taken together, these articles demonstrate the immense complexity and diversity of the MHC structure and function within and between different vertebrate species.
Book Synopsis Lymphocyte Activation and Immune Regulation IX by : Sudhir Gupta
Download or read book Lymphocyte Activation and Immune Regulation IX written by Sudhir Gupta and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is divided into three sections. Section I deals with factors that regulate the development and maturation of T cells and B cells and lymphocyte traffic. The significance of C-kit, Bcl-6, IL-7, and Vav in the development of T and B lymphocytes is discussed. A role of lymphotoxins and VAP-I in trafficking of leucocytes is reviewed. Finally, the trafficking and homing characteristics of T cell and B cell subsets, and the regulation of these processes during the immune response, is presented. Section II discusses various aspects of naive and memory T cell biology, including clonal expansion, reprogramming of genes including those encoding cytokines and cytotoxic granules, changes in the expression of cell surface proteins involved in cell-cell adhesion, homing of naive and memory T cells, the role of MHC and cytokines in the maintenance of naive and memory T cells, and the characterization and differentiation of virus-specific memory T cell heterogeneity in mice and humans. Novel methods of visualization of immune cells and immune systems are reviewed in Section III.
Book Synopsis The Autoimmune Diseases by : M. Eric Gershwin
Download or read book The Autoimmune Diseases written by M. Eric Gershwin and published by Academic Press. This book was released on 2013-12-03 with total page 1302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since publication of the 4th Edition of The Autoimmune Diseases in 2006, the understanding of the immune mechanisms underlying autoimmunity and autoimmune disease has significantly deepened and broadened. This fully revised 5th Edition incorporates new material and combines common themes underlying inductive and effector mechanisms and therapies that relate generally to the autoimmune disorders. It discusses the biological basis of disease at genetic, molecular, cellular, and epidemiologic levels and includes expanded coverage of autoinflammatory disease and autoimmune responses to tumors. Gives a thorough and an important overview on the entire field, framing individual disease chapters with information that compares and contrasts each disorder and therapy Provides thorough, up-to-date information on specific diseases, along with clinical applications, in an easily found reference for clinicians and researchers interested in certain diseases Keeps readers abreast of current trends and emerging areas in the field Ensures that content is not only up-to-date, but applicable and relevant
Book Synopsis Methods and Applications of Computational Immunology by : Victor Greiff
Download or read book Methods and Applications of Computational Immunology written by Victor Greiff and published by Frontiers Media SA. This book was released on 2020-01-30 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Co-signal Molecules in T Cell Activation by : Miyuki Azuma
Download or read book Co-signal Molecules in T Cell Activation written by Miyuki Azuma and published by Springer Nature. This book was released on 2019-11-22 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book equips young immunologists and health professionals with a clear understanding of the fundamental concepts and roles of co-signal molecules and in addition presents the latest information on co-stimulation. The first part of the book is devoted to co-signal molecules and the regulation of T cells. Following an initial overview, subsequent chapters examine each co-signal molecule in turn and discuss the mechanisms by which co-signal molecules regulate the different types of T cell. The second part covers various clinical applications, including in autoimmune disease, neurological disorders, transplantation, graft-versus-host disease, and cancer immunotherapy. To date, co-stimulation blockade and co-inhibition blockade have shown beneficial effects and many additional clinical trials targeting co-signal molecules are ongoing. The mechanisms underlying these successful treatments are explained and the future therapeutic potential in the aforementioned diseases is evaluated. Co-signal Molecules in T Cell Activation will be a valuable reference guide to co-stimulation for basic and clinical researchers in the fields of both immunology and pharmaceutical science.
Book Synopsis Modulation of the immune system by bacteria: from evasion to therapy by : Marina De Bernard
Download or read book Modulation of the immune system by bacteria: from evasion to therapy written by Marina De Bernard and published by Frontiers Media SA. This book was released on 2023-04-10 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biophysics of Infection by : Mark C. Leake
Download or read book Biophysics of Infection written by Mark C. Leake and published by Springer. This book was released on 2016-05-18 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes modern biophysical techniques that enable us to understand and examine dynamic processes of infection at the molecular level. Cutting-edge research articles, laboratory protocols, case studies and up-to-date reviews cover topics such as single-molecule observation of DNA replication repair pathways in E. coli; evolution of drug resistance in bacteria; restriction enzymes as barriers to horizontal gene transfer in Staphylococcus aureus; infectious and bacterial pathogen biofilms; killing infectious pathogens through DNA damage; bacterial surfaces in host-pathogen interactions; bacterial gene regulation by riboswitches; transcription regulation in enterobacterial pathogens; the bacterial flagellar motor; initial surface colonization by bacteria; Salmonella Typhi host restrictions; as well as monitoring proton motive force in bacteria; microbial pathogens using digital holography; mathematical modelling of microbial pathogen motility; neutron reflectivity in studying bacterial membranes; force spectroscopy in studying infection and 4D multi-photon imaging to investigate immune responses. The focus is on the development and application of complex techniques and protocols at the interface of life sciences and physics, which increase the physiological relevance of biophysical investigations.
Book Synopsis ImmunoPhysics and ImmunoEngineering by : Jorge Bernardino De La Serna
Download or read book ImmunoPhysics and ImmunoEngineering written by Jorge Bernardino De La Serna and published by Frontiers Media SA. This book was released on 2020-03-30 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: ImmunoPhysics (ImmPhys) and ImmunoEngineering (ImmPhysEng), are two cross-disciplinary fields. ImmPhysEng aims to unravel quantitatively the immune-system function and regulation in health and disease. Whereas ImmPhys study and assess the physical basis of the immune response, ImmEng pursues its control and prediction. Ultimately, the overarching goal of these disciplines is to facilitate the development of therapeutic interventions to more precisely modulate and control the compromised immune response during diseases. Lately, these disciplines are becoming more popular and as such, the number of publications applying physical or engineering tools to understand the immune response is increasing. Nevertheless, there is still no scientific forum compiling the ImmPhysEng research breakthroughs. Possibly the biggest burden is to stimulate a fluent communication and syntony between a physicist or engineer and an immunologist.
