Neuroglia in C. Elegans
Neuroglia in C. Elegans

Author: Randy F. Stout (Jr.)

Publisher: Morgan & Claypool

Published: 2018

Total Pages: 56

ISBN-13: 9781615046881

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The nematode C. elegans is one of the most important model organisms for understanding neurobiology. Its completely mapped neural connectome of 302 neurons and fully characterized and stereotyped development have made it a prototype for understanding nervous system structure, development, and function. Fifty-six out of C. elegans' total of 959 somatic cells are classified as neuroglia. Although research on worm glia has lagged behind studies focused on neurons, there has been a steep upswing in interest during the past decade. Information arising from the recent burst of research on worm glia supports the idea that C. elegans will continue to be an important animal model for understanding glial cell biology. Since the developmental lineage of all cells was mapped, each glial cell in C. elegans is known by a specific name and has research associated with it. We list and describe the glia of the hermaphrodite form of C. elegans and summarize research findings relating to each glial cell. We hope this lecture provides an informative overview of worm glia to accompany the excellent and freely available online resources available to the worm research community.

Enteric Glia
Enteric Glia

Author: Brian D. Gulbransen

Publisher: Biota Publishing

Published: 2014-07-01

Total Pages: 72

ISBN-13: 1615046615

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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

Glial Physiology and Pathophysiology
Glial Physiology and Pathophysiology

Author: Alexei Verkhratsky

Publisher: John Wiley & Sons

Published: 2013-04-15

Total Pages: 0

ISBN-13: 9780470978528

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Glial Physiology and Pathophysiology provides a comprehensive, advanced text on the biology and pathology of glial cells. Coverage includes: the morphology and interrelationships between glial cells and neurones in different parts of the nervous systems the cellular physiology of the different kinds of glial cells the mechanisms of intra- and inter-cellular signalling in glial networks the mechanisms of glial-neuronal communications the role of glial cells in synaptic plasticity, neuronal survival and development of nervous system the cellular and molecular mechanisms of metabolic neuronal-glial interactions the role of glia in nervous system pathology, including pathology of glial cells and associated diseases - for example, multiple sclerosis, Alzheimer's, Alexander disease and Parkinson's Neuroglia oversee the birth and development of neurones, the establishment of interneuronal connections (the 'connectome'), the maintenance and removal of these inter-neuronal connections, writing of the nervous system components, adult neurogenesis, the energetics of nervous tissue, metabolism of neurotransmitters, regulation of ion composition of the interstitial space and many, many more homeostatic functions. This book primes the reader towards the notion that nervous tissue is not divided into more important and less important cells. The nervous tissue functions because of the coherent and concerted action of many different cell types, each contributing to an ultimate output. This reaches its zenith in humans, with the creation of thoughts, underlying acquisition of knowledge, its analysis and synthesis, and contemplating the Universe and our place in it. An up-to-date and fully referenced text on the most numerous cells in the human brain Detailed coverage of the morphology and interrelationships between glial cells and neurones in different parts of the nervous system Describes the role of glial cells in neuropathology Focus boxes highlight key points and summarise important facts Companion website with downloadable figures and slides

Never-resting microglia: physiological roles in the healthy brain and pathological implications
Never-resting microglia: physiological roles in the healthy brain and pathological implications

Author: Amanda Sierra

Publisher: Frontiers E-books

Published: 2015-02-11

Total Pages: 173

ISBN-13: 2889193691

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Microglia are largely known as the major orchestrators of the brain inflammatory response. As such, they have been traditionally studied in various contexts of disease, where their activation has been assumed to induce a wide range of detrimental effects. In the last few years, a series of discoveries have challenged the current view of microglia, showing their active and positive contribution to normal brain function. This Research Topic reviewed the novel physiological roles of microglia in the developing, mature and aging brain, under non-pathological conditions. In particular, this Research Topic discussed the cellular and molecular mechanisms by which microglia contribute to the formation, pruning and plasticity of synapses; the regulation of adult neurogenesis as well as hippocampal learning and memory; among other important roles. Because these novel findings defy our understanding of microglial function in health as much as in disease, this Research Topic also summarized the current view of microglial nomenclature, phenotypes, origin and differentiation, and contribution to various brain pathologies. Additionally, novel imaging approaches and molecular tools to study microglia in their non-activated state have been discussed. In conclusion, this Research Topic seeked to emphasize how the current research in neuroscience is challenged by never-resting microglia.

The Ageing Brain
The Ageing Brain

Author: Perminder S. Sachdev

Publisher: CRC Press

Published: 2005-09-20

Total Pages: 359

ISBN-13: 0203970977

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When confronted with a neurological or psychiatric disorder in an elderly individual, a clinician or researcher is likely to ask how the processes of ageing have influenced the aetiology and presentation of the disorder, and will impact on its efficient management. There are many urban myths about ageing, and some of these apply to the brain. The reviews included in this book are an attempt to flush out some of these myths, and arm the clinician and general researcher with the empirical facts that can be mustered to substantiate claims about ageing. There are many salient questions: is cognitive change to be expected in an elderly individual? Is this change progressive, relentless and unselective, or is it focal and constrained? Would every person who lived long enough develop Alzheimer’s disease? Do our neurones die as we get old? What happens to the size of the brain and its metabolic activity? How do our hormones change with age? Can anti-oxidants slow or even stop the process of ageing? Are genes important in the ageing brain or is it all in the environment? How much of what we are is due to what we eat? The contributors to this book, each an expert in their field, have addressed some of these questions in a language simple enough for a general reader to understand. The book also deals with some of the most prominent brain disorders of old age - Alzheimer's disease, Parkinson's disease, vascular dementia, and depression. The focus is on the impact of ageing on these disorders. The discussions lay out a broad map for the clinician dealing with neuropsychiatric disorders, and the future researcher of brain ageing. In a field in which the developments are too numerous for any one individual to keep pace with, this book presents up-to-date summaries that can be a useful starting point. The field of brain ageing abounds in tabloid science. This book counters this by providing a strong empirical grounding and considered synthesis of the research.

Cellular Pathology as Based Upon Physiological and Pathological Histology ...
Cellular Pathology as Based Upon Physiological and Pathological Histology ...

Author: Rudolf Ludwig Karl Virchow

Publisher: Legare Street Press

Published: 2022-10-27

Total Pages: 0

ISBN-13: 9781015708761

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Image Bank to Accompany Neuroscience
Image Bank to Accompany Neuroscience

Author: Bear, Greg

Publisher:

Published: 2000-12-01

Total Pages:

ISBN-13: 9780781731331

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Get all of the 700+ images from the new Neuroscience: Exploring the Brain, Second Edition on CD-ROM for use in your lectures. Each image is provided in JPEG (screen optimized for PowerPoint) and PDF (print optimized for transparencies) formats.