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Retinal Glia
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Download or read book Webvision written by Helga Kolb and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Retinal Glia by : Andreas Reichenbach
Download or read book Retinal Glia written by Andreas Reichenbach and published by Biota Publishing. This book was released on 2015-02-01 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1851, Heinrich Müller discovered what he called “radial fibers” and what we now call Müller cells, as the principal glial cells of the vertebrate retina. Later on, other glial cell types were found in the retina, including astrocytes, microglia, and even oligodendrocytes. It turned out that retinal glial cells are essential constituents of the tissue. For instance, Müller cells appear to constitute the “core” of columnar units of clonally and functionally related groups of neurons. Their primary function is to support neuronal functioning by guiding the light towards the photoreceptor cells, removing excess neurotransmitter molecules from extracellular space, and performing efficient clearance of excess extracellular potassium ions. The latter two functions are also crucial for neuronal survival and are coupled to water clearance which is also essential. Müller cells are capable of “sensing” neuronal activity and modifying it by the release of signal substances (gliotransmitters). In cases of retinal injuries the Müller cells become reactive, and all above-mentioned functions are impaired. However, such de-differentiated Müller cells may proliferate, and may even serve as stem cells for the regeneration of a damaged retina. As well as the Müller cells, retinal astrocytes and microglial cells are important players in retinal development and function. This book gives a comprehensive survey of the present knowledge on retinal glia.
Book Synopsis The Retinal Müller Cell by : Vijay Sarthy
Download or read book The Retinal Müller Cell written by Vijay Sarthy and published by Springer Science & Business Media. This book was released on 2005-12-08 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The human brain contains more than a billion neurons which interconnect to form networks that process, store, and recall sensory information. These neuronal activities are supported by a group of accessory brain cells coll- tively known as neuroglia. Surprisingly, glial cells are ten times more - merous than neurons, and occupy more than half the brain volume (Hydén, 1961). Although long considered a passive, albeit necessary, component of the nervous system, many interesting and unusual functional properties of glial cells are only now being brought to light. As a result, the status of these cellular elements is approaching parity with nerve cells as a subject for experimental study. The term glia (or glue) seems today to be a misnomer in view of the diverse functions attributed to glial cells. Experimental studies in the last three decades have clearly established that the behavior of glial cells is far from passive, and that they are at least as complex as neurons with regard to their membrane properties. In addition, glial cells are of importance in signal processing, cellular metabolism, nervous system development, and the pathophysiology of neurological diseases. The Müller cell of the ver- brate retina provides a splendid example of an accessory cell that exhibits features illustrating every aspect of the complex behavior now associated with glial cells.
Book Synopsis Neurobiology and Clinical Aspects of the Outer Retina by : M.B. Djamgoz
Download or read book Neurobiology and Clinical Aspects of the Outer Retina written by M.B. Djamgoz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with the cellular biology, biochemistry and physiology of photoreceptors and their interactions with the second-order neurons, bipolar and horizontal cells. The focus is upon the contributions made by these neurons to vision. Thus the basic neurobiology of the outer retina is related to the visual process, and visual defects that could arise from abnormalities in this part of the retina are highlighted in the first 16 chapters. Since all vertebrate retinas have the same basic structure and physiological plan, examples are given from a variety of species, with an emphasis upon mammals, extending to human vision. The last four chapters approach the problem from the other end. This part of the book covers a range of clinical conditions involving visual abnormalities that are due to cellular defects in the outer retina. Although the contents of this book do not represent the proceedings of a conference, the concept arose at an international symposium on 'Recent Advances in Retinal Research' which was held at the International Marine Centre in Oristano, Sardinia. We hope that the book will give a coherent, up to date review of the neurobiology and clinical aspects of the outer retina and encourage further integration of these areas. Retinal neurobiology has been an intense field of investigation for several decades. More recently, it has seen significant advances with the application of modern techniques of cell and molecular biology.
Book Synopsis Retinal Degenerative Diseases by : Matthew M. LaVail
Download or read book Retinal Degenerative Diseases written by Matthew M. LaVail and published by Springer Science & Business Media. This book was released on 2011-12-21 with total page 867 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will contain the proceedings of the XIV International Symposium on Retinal Degeneration (RD2010), held July 13-17, 2010, in Mont-Tremblant, Quebec, Canada. The volume will present representative state-of-the-art research in almost all areas of retinal degenerations, ranging from cytopathologic, physiologic, diagnostic and clinical aspects; animal models; mechanisms of cell death; candidate genes, cloning, mapping and other aspects of molecular genetics; and developing potential therapeutic measures such as gene therapy and neuroprotective agents for potential pharmaceutical therapy.
Book Synopsis Pituitary Adenylate Cyclase-Activating Polypeptide by : Hubert Vaudry
Download or read book Pituitary Adenylate Cyclase-Activating Polypeptide written by Hubert Vaudry and published by Springer Science & Business Media. This book was released on 2003 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pituitary Adenylate Cyclase-Activating Polypeptide is the first volume to be written on the neuropeptide PACAP. It covers all domains of PACAP from molecular and cellular aspects to physiological activities and promises for new therapeutic strategies. Pituitary Adenylate Cyclase-Activating Polypeptide is the twentieth volume published in the Endocrine Updates book series under the Series Editorship of Shlomo Melmed, MD.
Book Synopsis Primate Retina and Choroid by : Wolf Krebs
Download or read book Primate Retina and Choroid written by Wolf Krebs and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents Introduction .......................................... . 1 The Primate Eye ...................................... . 2 Embryology of Retina and Choroid ....................... . 4 Microscopic Anatomy .................................. . 4 Retina ............................................ . 4 Choroid ........................................... . 8 Material and Methods .................................. . 10 Fine Structure of the Retina 14 RetinaI Pigment Epithelium ............................. . 16 Photoreceptor Cells ................................... . 30 Outer Plexiform Layer and Horizontal Cells .................. . 64 Bipolar, Radial Clial, and Amacrine Cells .................... . 76 Canglion Cells and InternaI Limiting Membrane ............... . 98 Spatial Density of RetinaI Cells .......................... . 112 Fine Structure of the Choroid ........................... . 116 Choroidocapillaris and Its Fiber System ..................... . 118 Arteries, Veins, and Lymphatic Spaces ...................... . 134 Choroidal Nerves .................................... . 142 Cells of Choroidal Connective Tissue ....................... . 148 References ........................................... . 153 Index ................................................ . 157 vii This volume describes the morphology of the primate re tina as seen with the electron microscope. As it is an atlas, the electron micrographs are its most In trad lietian important part. The text accompanies the figures, highlighting selected topics either to explain structures or to point out structure-function relation ships. A scholarly review of the whole spectrum of research on the re tina and choroid is not feasible in a single volume. Thus, whenever available, review artides or monographs, rather than original work, are cited for reference.
Book Synopsis Retinal Degenerative Diseases XIX by : John D. Ash
Download or read book Retinal Degenerative Diseases XIX written by John D. Ash and published by Springer Nature. This book was released on 2023-07-13 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the XVIII International Symposium on Retinal Degeneration (RD2018). A majority of those who spoke and presented posters at the meeting contributed to this volume. The blinding diseases of inherited retinal degenerations have no treatments, and age-related macular degeneration has no cures, despite the fact that it is an epidemic among the elderly, with 1 in 3-4 affected by the age of 70. The RD Symposium focused on the exciting new developments aimed at understanding these diseases and providing therapies for them. Since most major scientists in the field of retinal degenerations attend the biennial RD Symposia, they are known by most as the “best” and “most important” meetings in the field. The volume presents representative state-of-the-art research in almost all areas of retinal degenerations, ranging from cytopathologic, physiologic, diagnostic and clinical aspects; animal models; mechanisms of cell death; candidate genes, cloning, mapping and other aspects of molecular genetics; and developing potential therapeutic measures such as gene therapy and neuroprotective agents for potential pharmaceutical therapy. While advances in these areas of retinal degenerations were described, there will be many new topics that either are in their infancy or did not exist at the time of the last RD Symposium. These include the role of inflammation and immunity, as well as other basic mechanisms, in age-related macular degeneration, several new aspects of gene therapy, and revolutionary new imaging and functional testing that will have a huge impact on the diagnosis and following the course of retinal degenerations, as well as to provide new quantitative endpoints for clinical trials. The retina is an approachable part of the central nervous system (CNS), and there is a major interest in neuroprotective and gene therapy for CNS diseases and neurodegenerations, in general. It should be noted that with successful and exciting initial clinical trials in neuroprotective and gene therapy, including the restoration of sight in blind children, the retinal degeneration therapies are leading the way towards new therapeutic measures for neurodegenerations of the CNS. Many of the successes recently reported in these areas of retinal degeneration sprang from collaborations established at previous RD Symposia, and many of those were reported at the RD2016 meeting and included in the current volume. We anticipate the excitement of those working in the field and those afflicted with retinal degenerations is reflected in the volume.
Book Synopsis Enteric Glia by : Brian D. Gulbransen
Download or read book Enteric Glia written by Brian D. Gulbransen and published by Biota Publishing. This book was released on 2014-07-01 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The enteric nervous system (ENS) is a complex neural network embedded in the gut wall that orchestrates the reflex behaviors of the intestine. The ENS is often referred to as the “little brain” in the gut because the ENS is more similar in size, complexity and autonomy to the central nervous system (CNS) than other components of the autonomic nervous system. Like the brain, the ENS is composed of neurons that are surrounded by glial cells. Enteric glia are a unique type of peripheral glia that are similar to astrocytes of the CNS. Yet enteric glial cells also differ from astrocytes in many important ways. The roles of enteric glial cell populations in the gut are beginning to come to light and recent evidence implicates enteric glia in almost every aspect of gastrointestinal physiology and pathophysiology. However, elucidating the exact mechanisms by which enteric glia influence gastrointestinal physiology and identifying how those roles are altered during gastrointestinal pathophysiology remain areas of intense research. The purpose of this e-book is to provide an introduction to enteric glial cells and to act as a resource for ongoing studies on this fascinating population of glia. Table of Contents: Introduction / A Historical Perspective on Enteric Glia / Enteric Glia: The Astroglia of the Gut / Molecular Composition of Enteric Glia / Development of Enteric Glia / Functional Roles of Enteric Glia / Enteric Glia and Disease Processes in the Gut / Concluding Remarks / References / Author Biography
Book Synopsis Astrocytes and Epilepsy by : Jacqueline A. Hubbard
Download or read book Astrocytes and Epilepsy written by Jacqueline A. Hubbard and published by Academic Press. This book was released on 2016-07-05 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Epilepsy is a devastating group of neurological disorders characterized by periodic and unpredictable seizure activity in the brain. There is a critical need for new drugs and approaches given than at least one-third of all epilepsy patients are not made free of seizures by existing medications and become "medically refractory". Much of epilepsy research has focused on neuronal therapeutic targets, but current antiepileptic drugs often cause severe cognitive, developmental, and behavioral side effects. Recent findings indicate a critical contribution of astrocytes, star-shaped glial cells in the brain, to neuronal and network excitability and seizure activity. Furthermore, many important cellular and molecular changes occur in astrocytes in epileptic tissue in both humans and animal models of epilepsy. The goal of Astrocytes and Epilepsy is to comprehensively review exciting findings linking changes in astrocytes to functional changes responsible for epilepsy for the first time in book format. These insights into astrocyte contribution to seizure susceptibility indicate that astrocytes may represent an important new therapeutic target in the control of epilepsy. Astrocytes and Epilepsy includes background explanatory text on astrocyte morphology and physiology, epilepsy models and syndromes, and evidence from both human tissue studies and animal models linking functional changes in astrocytes to epilepsy. Beautifully labelled diagrams are presented and relevant figures from the literature are reproduced to elucidate key findings and concepts in this rapidly emerging field. Astrocytes and Epilepsy is written for neuroscientists, epilepsy researchers, astrocyte investigators as well as neurologists and other specialists caring for patients with epilepsy. - Presents the first comprehensive book to synthesize historical and recent research on astrocytes and epilepsy into one coherent volume - Provides a great resource on the field of astrocyte biology and astrocyte-neuron interactions - Details potential therapeutic targets, including chapters on gap junctions, water and potassium channels, glutamate and adenosine metabolism, and inflammation
Book Synopsis Textbook of Vascular Medicine by : Rhian M. Touyz
Download or read book Textbook of Vascular Medicine written by Rhian M. Touyz and published by Springer. This book was released on 2019-08-02 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook focuses on the vascular biology and physiology that underlie vascular disorders in clinical medicine. Vascular biomedicine is a rapidly growing field as new molecular mechanisms of vascular health and disease are unraveled. Many of the major cardiovascular diseases including coronary artery disease, heart failure, stroke and vascular dementia are diseases of the vasculature. In addition vascular injury underpins conditions like kidney failure and cardiovascular complications of diabetes. This field is truly multidisciplinary involving scientists in many domains such as molecular and vascular biology, cardiovascular physiology and pharmacology and immunology and inflammation. Clinically, specialists across multiple disciplines are involved in the management of patients with vascular disorders, including cardiologists, nephrologists, endocrinologists, neurologists and vascular surgeons. This book covers a wide range of topics and provides an overview of the discipline of vascular biomedicine without aiming at in-depth reviews, but rather offering up-to-date knowledge organized in concise and structured chapters, with key points and pertinent references. The structure of the content provides an integrative and translational approach from basic science (e.g. stem cells) to clinical medicine (e.g. cardiovascular disease). The content of this book is targeted to those who are new in the field of vascular biology and vascular medicine and is ideal for medical students, graduate and postgraduate students, clinical fellows and academic clinicians with an interest in the vascular biology and physiology of cardiovascular disease and related pathologies.
Book Synopsis Adler's Physiology of the Eye E-Book by : Leonard A Levin
Download or read book Adler's Physiology of the Eye E-Book written by Leonard A Levin and published by Elsevier Health Sciences. This book was released on 2011-03-30 with total page 809 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drs. Paul L. Kaufman, Albert Alm, Leonard A Levin, Siv F. E. Nilsson, James Ver Hoeve, and Samuel Wu present the 11th Edition of the classic text Adler's Physiology of the Eye, updated to enhance your understanding of ocular function. This full-color, user-friendly edition captures the latest molecular, genetic, and biochemical discoveries and offers you unparalleled knowledge and insight into the physiology of the eye and its structures. A new organization by function, rather than anatomy, helps you make a stronger connection between physiological principles and clinical practice; and more than 1,000 great new full-color illustrations help clarify complex concepts. - Deepen your grasp of the physiological principles that underlie visual acuity, color vision, ocular circulation, the extraocular muscle, and much more. - Improve your understanding of physiology by referring to this totally updated volume--organized by function, rather than anatomy--and make a stronger connection between physiological principles and clinical practice. - Better visualize information with a new, revamped format that includes 1,000 illustrations presented in full-color to better clarify complex concepts and functions. - Access the most recent molecular, genetic, and biochemical discoveries affecting eye function, and gain fresh perspectives from a new, international editorial team. - Search the entire contents online and download all the illustrations at www.expertconsult.com.
Download or read book Ocular Pathology written by Myron Yanoff and published by Elsevier Health Sciences. This book was released on 2009-01-01 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2015 BMA Medical Book Awards Highly Commended in Pathology Category! Comprehensive, yet concise and clinically oriented, the new edition of Ocular Pathology brings you the very latest advances of every aspect of ocular pathology. From updated information on today's imaging techniques, to the implementation of genetic data to better understand disease, this esteemed medical reference book promises to keep you at the forefront of your field "This seventh edition of Ocular Pathology by Myron Yanoff and Joseph Sassani is a superb update of what has become the single best ophthalmic pathology reference text for ophthalmologists, pathologists and researchers." Foreword by: J. Douglas Cameron, Ophthalmology and Visual Neurosciences, University of Minnesota School of Medicine, June 2015 Take advantage of clinical "pearls" that offer you the benefits of proven strategies. Quickly reference information with help from a convenient outline format, ideal for today's busy physician. Visualize every concept by viewing 1,900 illustrations, 1,600 of which are in full color, from the collections of internationally renowned leaders in ocular pathology. Understand the role of VEGF and other factors in the pathobiology of diabetic complications, as well as the pathobiology of myocilin and the TIGR gene in the development of glaucoma. Review the latest features related to the pathobiology of central corneal thickness. Stay abreast of the latest in ocular pathology with coverage of the classification system for retinoblastoma; immunopathology of herpes keratitis; and genetic features of persistent hyperplastic primary vitreous. Access the entire text online at Expert Consult, and test your visual recognition and understanding of disease with a new online image review/testing feature.
Book Synopsis Understanding Glial Cells by : Bernardo Castellano
Download or read book Understanding Glial Cells written by Bernardo Castellano and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: A collection of selected works presented by Spanish research teams at the establishment and consolidation of the Spanish Glial Network in February 1997. Includes: morphology and ontogeny, molecular and biochemical properties, pathology, and involvement in damage and regeneration. For researchers, clinicians, students, and teachers.
Book Synopsis Retinal Immunobiology and Retinopathy by : Andrew W. Taylor
Download or read book Retinal Immunobiology and Retinopathy written by Andrew W. Taylor and published by Frontiers Media SA. This book was released on 2021-10-20 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topic Editor Andrew Taylor has a sponsored research agreement and is a consultant with Palatin Technologies Inc. in Cranbury, New Jersey. All other Topic Editors declare no competing interests with regards to the Research Topic subject.
Book Synopsis Neuroprotection and Neuroregeneration for Retinal Diseases by : Toru Nakazawa
Download or read book Neuroprotection and Neuroregeneration for Retinal Diseases written by Toru Nakazawa and published by Springer. This book was released on 2014-07-23 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the latest findings on neuroprotection and neuroregeneration as potential therapeutic strategies for various eye diseases, namely, glaucoma, age-related macular degeneration (AMD), retinal detachment, and retinitis pigmentosa. Glaucoma is one of the main causes of blindness throughout the world, and other diseases such as AMD and retinitis pigmentosa also lead to loss of vision. All these conditions are characterized by degeneration of specific retinal cell types, making it essential to establish treatments to protect retinal neurons and the optic nerve. With that aim in mind, this book explains the mechanisms underlying aforementioned diseases and their experimental models. The novel strategy proposals for the treatment of retinal diseases based on the concept of neuroprotection are also discussed in the main body of the text, while the section on regenerative research discusses optic nerve regeneration, endothelial progenitor cells, and iPS cells. This book is recommended as a professional reference work for all doctors and trainees in the field of ophthalmology who are interested in neuroprotective and neuroregenerative treatments.
Book Synopsis Diabetic Retinopathy by : Mohammad Shamsul Ola
Download or read book Diabetic Retinopathy written by Mohammad Shamsul Ola and published by BoD – Books on Demand. This book was released on 2012-02-24 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to provide a comprehensive overview of current concepts in pathogenesis, diagnosis and treatments of diabetic retinopathy. It provides a collection of topics written by excellent authors, covering discussions on advances in understanding of pathophysiology, immunological factors and emerging concepts, relating to clinical aspects and treatment strategies. The contents of the book will not only provide a resource for our knowledge but also improve diagnosis and treatment options for those patients who suffer vision loss due to diabetic retinopathy.