Noradrenergic Signaling and Astroglia


Book Description

Noradrenergic Signaling and Astroglia integrates what is known about the active role of astroglia in the locus coeruleus-noradrenergic system and outlines the most recent advances in the field. It discusses the molecular mechanisms underlying norepinephrine-induced receptor activation in astroglia, cellular metabolism and CNS energy provision, in vitro, ex vivo, and in vivo models, gliosignalling and neuronal activity, and astroglial networks, gap junctions, and morphological plasticity. The book also addresses the role of astroglial adrenergic receptor activation in memory formation, cognition, regulation of sleep homeostasis, and lastly in neurological disorders, including trauma (cellular edema), neurodegeneration (Alzheimer's disease), and neuroinflammation (multiple sclerosis). Noradrenergic Signaling and Astroglia is a valuable source of new knowledge for a wide audience, including graduate students, post-doctoral fellows, and researchers in neuroscience, life sciences, and the biological and biomedical sciences. - Covers what is currently known about the role of astroglia in the noradrenergic system - Provides biochemical and physiological mechanistic data to understand how noradrenergic signals acting on astroglia produce observed effects - Includes figures and tables of structures, mechanisms and processes related to astroglia and noradrenergic signaling in CNS







The Neurobiological Basis of Suicide


Book Description

With recent studies using genetic, epigenetic, and other molecular and neurochemical approaches, a new era has begun in understanding pathophysiology of suicide. Emerging evidence suggests that neurobiological factors are not only critical in providing potential risk factors but also provide a promising approach to develop more effective treatment and prevention strategies. The Neurobiological Basis of Suicide discusses the most recent findings in suicide neurobiology. Psychological, psychosocial, and cultural factors are important in determining the risk factors for suicide; however, they offer weak prediction and can be of little clinical use. Interestingly, cognitive characteristics are different among depressed suicidal and depressed nonsuicidal subjects, and could be involved in the development of suicidal behavior. The characterization of the neurobiological basis of suicide is in delineating the risk factors associated with suicide. The Neurobiological Basis of Suicide focuses on how and why these neurobiological factors are crucial in the pathogenic mechanisms of suicidal behavior and how these findings can be transformed into potential therapeutic applications.




Physiology of Astroglia


Book Description

Astrocytes can be defined as the glia inhabiting the nervous system with the main function in the maintenance of nervous tissue homeostasis. Classified into several types according to their morphological appearance, many of astrocytes form a reticular structure known as astroglial syncytium, owing to their coupling via intercellular channels organized into gap junctions. Not only do astrocytes establish such homocellular contacts, but they also engage in intimate heterocellular interactions with neurons, most notably at synaptic sites. As synaptic structures house the very core of information transfer and processing in the nervous system, astroglial perisynaptic positioning assures that these glial cells can nourish neurons and establish bidirectional communication with them, functions outlined in the concepts of the astrocytic cradle and multi-partite synapse, respectively. Astrocytes possess a rich assortment of ligand receptors, ion and water channels, and ion and ligand transporters, which collectively contribute to astrocytic control of homeostasis and excitability. Astroglia control glutamate and adenosine homeostasis to exert modulatory actions affecting the real-time operation of synapses. Fluctuations of intracellular calcium can lead to the release of various chemical transmitters from astrocytes through a process termed gliotransmission. Sodium fluctuations are closely associated to those of calcium with both dynamic events interfacing signaling and metabolism. Astrocytes appear fully integrated into the brain cellular circuitry, being an indispensable part of neural networks.




Receptor Binding


Book Description

Techniques in the neurosciences are evolving rapidly. There are currently very few volumes dedicated to the methodology - ployed by neuroscrentists, and those that are available often seem either out of date or limited in scope. This series is about the methods most widely used by modern-day neuroscientists and 1s written by their colleagues who are practicing experts. Volume 1 will be useful to all neuroscientists since it concerns those procedures used routinely across the widest range of s- drsciplines. Collecting these general techniques together in a single volume stnkes us not only as a service, but will no doubt prove of exceptional utilitarian value as well. Volumes 2 and 3 describe all current procedures for the analyses of ammes and theirmetabolites and of amino acrds, respectively. These collections will clearly be of value to all neuroscientists working in or contemplating research in these fields. Similar reasons exist for Volume 4 on receptor binding techniques since experimental details are provided for many types of ligand-receptor binding, including chapters on general prin- ples, drug discovery and development, and a most useful app- dix on computer programs for Scatchard, nonlinear, and compe- tive displacement analyses. Volume 5 provides procedures for the assessment of enzymes involved in biogenic amine synthesis and catabolism. Volumes in the NEUROMETHODS series will be useful to neurochemists, -pharmacologists, -physrologists, -anatomists, psychopharmacologists, psychiatrists, neurologists, and chemists (organic, analytical, pharmaceutical, medicinal); in fact, everyone involved in the neurosciences, both basic and clinical.







Lactate as a Major Signaling Molecule for Homeostasis


Book Description

Topic Editor Dr. Philippe Connes has received a grant from HARTIS Pharma (Switzerland-France). All other Topic Editors declare no competing interests with regards to the Research Topic subject.




Glia in Health and Disease


Book Description

This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.




Neurocognitive Mechanisms of Attention


Book Description

Neurocognitive Mechanisms of Attention: Computational Models, Physiology, and Disease States describes the brain mechanisms underlying the attention control system, how those mechanisms are examined, how they operate in different disease states, and methods for improving them. Conceptual models of attention further explore their functional operation. Coverage includes the different types of attention, processing paths, brain anatomy, and attention's role in memory and movement. Factors affecting attention are explored including nutrition, exercise, and genetics. Neurocognitive disorders impacting attention are discussed including autism, ADHD, OCD, depression, anxiety, schizophrenia, Alzheimer's and Parkinson's Disease. Assessment methods and treatments are uniquely set against the backdrop of current conceptual, computational, and oscillatory-based models to encourage researchers to pursue continued development of new diagnostic and therapeutic tools. - Examines brain mechanisms underlying different types of attention - Explores how nutrition, exercise, genetics and more impact attention - Identifies impact on attention of neurocognitive diseases and disorders - Includes therapeutic advances to improve attention - Provides computational models via companion website




Neuroglia: Function and Pathology


Book Description

Diverse specialised neuroglial cells guarantee the development, preservation, and health of the central nervous system, the peripheral nervous system, the enteric nervous system, and the special senses. In the central nervous system, it is the astrocytes, oligodendrocytes, and microglia that safeguard nerve cell function and integrity that controls all behaviours and encompasses the cerebral cortex of the brain which is the root of humanity. In the peripheral nervous system, Schwann cells play the leading role, together with satellite glial cells of the sensory and autonomic ganglia, ensuring correct communication between the organs and tissues with the brain and the spinal cord. In the enteric nervous system, specialised enteric glial cells maintain all aspects of gastrointestinal function. Then there are distinctive glial cells of the special senses that ensure how the body perceives and reacts to its environment. In pathology, neuroglia strive to protect the diverse cellular components of the nervous system and are responsible for a proactive programme of posttraumatic restructuring that is aimed at recovery of life-sustaining function. Neuroglia: Function and Pathology provides a highly original and comprehensive account of the physiology and pathophysiology of glial cells in the central and peripheral nervous systems. The first part of the book provides a far-reaching description of glial cell form and function, from their evolution in invertebrates to their complexity in humans, encompassing the developmental origin of the varied glial cell types and their diversity of morphology, molecular biology and cellular physiology. The second part of the book is devoted to an all-embracing evaluation of glial cell pathophysiology, commencing with definitive explanations of the fundamental pathologies of the main glial cell types, and ending in a systematic examination of glial contributions to specific neurological diseases. This book emphasises the central roles played by the different classes of neuroglial cells in the progression and outcome of neurological disorders of the central and peripheral nervous systems and highlights potential of glial cells as therapeutic targets. The book contains more than 2500 key references from over 150 years of glial research and is superbly illustrated with over 350 original and explanatory full colour figures that describe the diverse characteristics and properties of glial cells in health and disease. Under the same cover, this book combines an authoritative reference book for research and clinical neuroscientists and at the same time serves as an instructive textbook for students of neuroscience, from undergraduates to postgraduates. - Single volume covering key aspects of glial cell physiology and pathology - In depth overview of the history of glial cell research - Comprehensive review of glial cell physiology and pathology - Authoritative special chapters on the major neurological diseases - Full colour throughout, with 360 illustrations