Innate immunity and neurodegenerative diseases – triggers from self and non-self

Innate immunity and neurodegenerative diseases – triggers from self and non-self PDF Author: Kiran Bhaskar
Publisher: Frontiers Media SA
ISBN: 2832527752
Category : Science
Languages : en
Pages : 209

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Book Description

Innate immunity and neurodegenerative diseases – triggers from self and non-self

Innate immunity and neurodegenerative diseases – triggers from self and non-self PDF Author: Kiran Bhaskar
Publisher: Frontiers Media SA
ISBN: 2832527752
Category : Science
Languages : en
Pages : 209

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Book Description


Innate immunity and neurodegenerative disorders

Innate immunity and neurodegenerative disorders PDF Author: Roger A Barker
Publisher: Frontiers E-books
ISBN: 2889193101
Category : Medicine (General)
Languages : en
Pages : 88

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Book Description
Inflammation of the brain in the context of neurodegenerative disorders is an area of intense debate and discussion, not least in terms of its pathogenic significance and the extent to which it drives disease processes and pathology. This inflammation can take several forms including innate responses recruiting microglia, humoral responses involving antibody, complement mediated processes and cellular T-cell activation, of which the role and extent of each may differ between diseases. Whilst some diseases have been more intensely linked to inflammation and long-term degeneration (e.g. MS), more traditional chronic neurodegenerative disorders have been thought of in terms of intrinsic neuronal pathology with a secondary innate response. However, it has been described that microglia activation is an early event of many degenerative disorders and evidence is accumulating that it may play a critical role in actually causing pathology and driving disease processes. If true, this would have major therapeutic implications, but what is the evidence that this is the case? The initial observations by Patrick McGeer’s group of post-mortem tissue from patients with Parkinson’s disease revealed the presence of activated brain microglia and has thus lead to the hypothesis that chronic inflammation could participate to neuronal degenerative processes. The significance of these original observations has only been recently revisited, and the development of more powerful tools to study the brain immune response has certainly contributed to this field of research. Chronic inflammation in the brain can take many forms but of particular interest has been the resident microglia and the role they play in this process. In this context, microglia have often been thought to become activated only after the disease has begun and then to contribute minimally to the degenerative process. Emerging new concepts challenge this view by proposing that microglial senescence, for example, may release the disease process and/or accelerate it. In addition, microglia, once activated, can adopt different phenotypes which can be both pro-inflammatory and pro-repair and may impact not only on the healthy adult neuronal population but on those new neurons derived from neurogenic niches of the adult brain. In this Research Topic, we attempt to explore this by first considering the innate immune responses in the brain and the methods by which they can be studied experimentally and in patients with various neurodegenerative disorders. This sets the scene for then discussing a range of different disorders including Alzheimer’s, Parkinson’s, Huntington’s disease and amyotrophic lateral sclerosis. These papers seek to discuss the evidence for an innate immune response and whether this is beneficial or detrimental, as well as its therapeutic implications.

Micro- and Nanotechnology in Vaccine Development

Micro- and Nanotechnology in Vaccine Development PDF Author: Mariusz Skwarczynski
Publisher: William Andrew
ISBN: 0323400299
Category : Medical
Languages : en
Pages : 462

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Book Description
This book provides a comprehensive overview of how use of micro- and nanotechnology (MNT) has allowed major new advance in vaccine development research, and the challenges that immunologists face in making further progress. MNT allows the creation of particles that exploit the inherent ability of the human immune system to recognize small particles such as viruses and toxins. In combination with minimal protective epitope design, this permits the creation of immunogenic particles that stimulate a response against the targeted pathogen. The finely tuned response of the human immune system to small particles makes it unsurprising that many of the lead adjuvants and vaccine delivery systems currently under investigation are based on nanoparticles. Provides a comprehensive and unparalleled overview of the role of micro- and nanotechnology in vaccine development Allows researchers to quickly familiarize themselves with the broad spectrum of vaccines and how micro- and nanotechnologies are applied to their development Includes a combination of overview chapters setting out general principles, and focused content dealing with specific vaccines, making it useful to readers from a variety of disciplines

Persistent Viral Infections

Persistent Viral Infections PDF Author: R. Ahmed
Publisher: Wiley-Blackwell
ISBN:
Category : Medical
Languages : en
Pages : 754

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Book Description
Persistent Viral Infections Edited by Rafi Ahmed Emory Vaccine Center, Atlanta, USA and Irvin S. Y. Chen UCLA School of Medicine, Los Angeles, USA During the past decade much of our attention has focused on diseases associated with viral persistence. Major breakthroughs in immunology, and the advent of molecular approaches to study pathogenesis have increased our understanding of the complex virus-host interactions that occur during viral persistence. Persistent Viral Infections focuses on: * The pathogenesis and immunology of chronic infections * Animal models that provide, or have the potential to provide, major insights This volume will be essential reading for virologists, immunologists, oncologists and neurologists.

Tertiary Lymphoid Organs (TLOs): Powerhouses of Disease Immunity

Tertiary Lymphoid Organs (TLOs): Powerhouses of Disease Immunity PDF Author: Changjun Yin
Publisher: Frontiers Media SA
ISBN: 2889451801
Category :
Languages : en
Pages : 237

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Book Description
The immune system employs TLOs to elicit highly localized and forceful responses to unresolvable peripheral tissue inflammation. Current data indicate that TLOs are protective but they may also lead to collateral tissue injury and serve as nesting places to generate autoreactive lymphocytes. A better comprehension of these powerhouses of disease immunity will likely facilitate development to unprecedented and specific therapies to fight chronic inflammatory diseases.

Target Pattern Recognition in Innate Immunity

Target Pattern Recognition in Innate Immunity PDF Author: Uday Kishore
Publisher: Springer Science & Business Media
ISBN: 144190901X
Category : Medical
Languages : en
Pages : 220

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Book Description
Target pattern recognition in innate immunity is responsible for the immediate, usually protective, responses shown against invading microorganisms, and it is the principal feature of self and non-self recognition by virtue of the recognition of structures on the microbial pathogens, which are not found on host cells. This is an area that has been very actively researched, over approximately the past 12 years, and therefore this volume provides a timely comprehensive, and up to date, summary of the types and range of cell surface, intracellular, and secreted, host proteins involved in the recognition of microbial products, and of the protective mechanisms triggered as a result of the recognition events. The Toll-like receptors, first described in Drosophila and now well-characterised on human cells, provide an excellent demonstration of the wide range of different microbial products recognised by this family of receptors and of the signalling pathways which are triggered thus leading to induction of inflammatory cytokines and the activation of genes producing antimicrobial products. In addition, several cell surface proteins involved in target pattern recognition have been described on the surfaces of macrophages (macrophage mannose receptor and macrophage scavenger receptors), and on dendritic cells (DEC205), and to be involved with the uptake and clearance of whole microorganisms and polyanioic ligands. Pattern recognition is also utilised by intracellular receptors, with NOD-like receptors in the cytosol recognizing microbial molecules and activating the production of inflammatory cytokines or pathways that induce the production of inflammatory molecules. Secreted proteins, such as the pentraxins, which includes the acute phase reacting, C-reactive protein (CRP) and serum amyloid protein (SAP), and the collectins (mannan binding lectin, lung surfactant protein A and D) and ficolins can also readily recruit killing and clearance systems. Indeed, the serum complement system, which is one of the major defence systems in the bloodstream, is efficiently activated by CR P on its binding to the phosphocholine groups of microbial phospholipids—and the subsequent interaction of the bound CR P with C1q—to give classical pathway activation, or MBL, or ficolin, binding to arrays of mannose or N-acetyl-glucosamine residues, respectively, on the surfaces of microorganisms—to give lectin pathway activation. Also, in addition to the activation and clearance events associated with complement activation by some of the secreted pattern recognition receptors, it is accepted that all these pattern recognition receptors can generally accelerate the uptake and clearance of microbes via phagocytic cells. In view of the growing interest in the cross-talk between innate and adaptive immunity, a thorough understanding of the initial recognition and triggering events, mediated via innate immune receptors, as addressed in this volume, is clearly very useful in helping to also fully understand the mechanisms of activation and control of the adaptive immune system—and to allow a full assessment of the relative roles played by innate immunity and adaptive immunity against a particular infection in higher organisms.

B Cell Receptor Signaling

B Cell Receptor Signaling PDF Author: Tomohiro Kurosaki
Publisher: Springer
ISBN: 3319261339
Category : Medical
Languages : en
Pages : 233

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Book Description
This volume details our current understanding of the architecture and signaling capabilities of the B cell antigen receptor (BCR) in health and disease. The first chapters review new insights into the assembly of BCR components and their organization on the cell surface. Subsequent contributions focus on the molecular interactions that connect the BCR with major intracellular signaling pathways such as Ca2+ mobilization, membrane phospholipid metabolism, nuclear translocation of NF-kB or the activation of Bruton’s Tyrosine Kinase and MAP kinases. These elements orchestrate cytoplasmic and nuclear responses as well as cytoskeleton dynamics for antigen internalization. Furthermore, a key mechanism of how B cells remember their cognate antigen is discussed in detail. Altogether, the discoveries presented provide a better understanding of B cell biology and help to explain some B cell-mediated pathogenicities, like autoimmune phenomena or the formation of B cell tumors, while also paving the way for eventually combating these diseases.

Psychosocial Stress and Cancer

Psychosocial Stress and Cancer PDF Author: Cary L. Cooper
Publisher: Ediciones Díaz de Santos
ISBN: 9780471904779
Category : Medical
Languages : en
Pages : 348

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Book Description
Psychosocial Stress and Cancer Edited by Cary L. Cooper University of Manchester Institute of Science and Technology The importance of stress in the development of heart disease is well established, but its role in cancer is only just beginning to be investigated. Recent research in humans indicates that various life events, personality pre-dispositions, as well as immunological and central nervous system interactions, may trigger the cancer process, or at the very least accentuate its development. In this book, a number of recognized international authorities provide state-of-the-art statements on the key issues of the subject. Beginning with a review of the findings to date, there follows more in-depth analysis of potential social/psychological precursors to cancer, and the way in which they may influence the aetiology and development of the disease. The final section deals with the way in which psychosocial factors may be managed in cancer patients, and provides a comparative summary of the various methodological approaches utilized in studies exploring the field of psychological oncology. The book will provide a unique digest of current knowledge as well as a starting point for future research, and will be invaluable to all concerned with the study and management of the cancer process. Other Wiley titles on this subject include: Stress Research: Issues for the Eighties Edited by Cary L. Cooper 160 pages February 1983 Mind and Cancer Prognosis Basil A. Stoll, St Thomas’s Hospital and Royal Free Hospital, London 214 pages December 1979 All about Cancer Chris Williams, CRC Medical Oncology Unit, University of Southampton 404 pages April 1983

Stress Challenges and Immunity in Space

Stress Challenges and Immunity in Space PDF Author: Alexander Choukèr
Publisher: Springer Nature
ISBN: 3030169960
Category : Medical
Languages : en
Pages : 756

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Book Description
This book explains how stress – either psychological or physical – can activate and/or paralyse human innate or adaptive immunity. Adequate immunity is crucial for maintaining health, both on Earth and in space. During space flight, human physiology is specifically challenged by complex environmental stressors, which are most pronounced during lunar or interplanetary missions. Adopting an interdisciplinary approach, the book identifies the impact of these stressors – the space exposome – on immunity as a result of (dys-)functions of specific cells, organs and organ networks. These conditions (e.g. gravitation changes, radiation, isolation/confinement) affect immunity, but at the same time provide insights that may help to prevent, diagnose and address immune-related health alterations. Written by experts from academia, space agencies and industry, the book is a valuable resource for professionals, researchers and students in the field of medicine, biology and technology. The chapters “The Impact of Everyday Stressors on the Immune System and Health”, “Stress and Radiation Responsiveness” and “Assessment of Radiosensitivity and Biomonitoring of Exposure to Space adiation” are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.

Handbook on Immunosenescence

Handbook on Immunosenescence PDF Author: Tamas Fulop
Publisher: Springer Science & Business Media
ISBN: 1402090633
Category : Medical
Languages : en
Pages : 1693

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Book Description
This authoritative handbook covers all aspects of immunosenescence, with contributions from experts in the research and clinical areas. It examines methods and models for studying immunosenescence; genetics; mechanisms including receptors and signal transduction; clinical relevance in disease states including infections, autoimmunity, cancer, metabolic syndrome, neurodegenerative diseases, frailty and osteoporosis; and much more.