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Author: Sidney Roberts
Publisher: Springer Science & Business Media
ISBN: 1461571669
Category : Medical
Languages : en
Pages : 468
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Book Description
Volume V deals with the problems of turnover in the nervous system. "Turnover" is defined in different ways, and the term is used in different contexts. It is used rather broadly in the present volume, and intentionally so. The turnover of macromolecules is only one aspect; here "turnover" in dicates the simultaneous and coordinated formation and breakdown of macromolecular species. The complexities of cerebral protein turnover are shown in a separate chapter dealing with the synthesis of proteins, in another on breakdown, and in still another on the relationship of these two (showing how the two halves of turnover are controlled). The fact that most likely the two halves of protein turnover, synthesis and breakdown, are separated spatially and the mechanisms involved are different further emphasizes the complexity of macromolecular turnover. "Turnover" is used in a different context when the turnover of a cycle is discussed; but here again a number of complex metabolic reactions have to be interrelated and controlled; some such cycles are discussed briefly in this volume, additional cycles have been discussed with metabolism, and some cycles still await elucidation or discovery.
Author: Sidney Roberts
Publisher: Springer Science & Business Media
ISBN: 1461571669
Category : Medical
Languages : en
Pages : 468
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Book Description
Volume V deals with the problems of turnover in the nervous system. "Turnover" is defined in different ways, and the term is used in different contexts. It is used rather broadly in the present volume, and intentionally so. The turnover of macromolecules is only one aspect; here "turnover" in dicates the simultaneous and coordinated formation and breakdown of macromolecular species. The complexities of cerebral protein turnover are shown in a separate chapter dealing with the synthesis of proteins, in another on breakdown, and in still another on the relationship of these two (showing how the two halves of turnover are controlled). The fact that most likely the two halves of protein turnover, synthesis and breakdown, are separated spatially and the mechanisms involved are different further emphasizes the complexity of macromolecular turnover. "Turnover" is used in a different context when the turnover of a cycle is discussed; but here again a number of complex metabolic reactions have to be interrelated and controlled; some such cycles are discussed briefly in this volume, additional cycles have been discussed with metabolism, and some cycles still await elucidation or discovery.
Author: D. A. Rappoport
Publisher: Springer Science & Business Media
ISBN: 1461571693
Category : Medical
Languages : en
Pages : 412
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Book Description
Volume V deals with the problems of turnover in the nervous system. "Turnover" is defined in different ways, and the term is used in different contexts. It is used rather broadly in the present volume, and intentionally so. The turnover of macromolecules is only one aspect; here "turnover" in dicates the simultaneous and coordinated formation and breakdown of macromolecular species. The complexities of cerebral protein turnover are shown in aseparate chapter dealing with the synthesis ofproteins, in another on breakdown, and in still another on the relationship ofthese two (showing how the two halves of turnover are controlled). The fact that most likely the two halves of protein turnover, synthesis and breakdown, are separated spatially and the mechanisms involved are different further emphasizes the complexity of macromolecular turnover. "Turnover" is used in a different context when the turnover of a cycle is discussed; but he re again a number of complex metabolic reactions have to be interrelated and controlled; some such cycles are discussed briefly in this volume, additional cycles have been discussed with metabolism, and some cycles still await elucidation or discovery.
Author: C. J. Pycock
Publisher: Springer Science & Business Media
ISBN: 1461597781
Category : Science
Languages : en
Pages : 206
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Book Description
The concept of chemical transmission in the central nervous system has taken some time to be generally accepted, but an increasing number of compounds are now being recognized as hav ing a transmitter role in the brain. The acetylcholine system was the first to be discovered in the periphery and its charac teristic features of storage of transmitter in vesicles in the nerve terminal, its electrically-evoked release and rapid extra neuronal breakdown were considered to be necessary criteria for any neurotransmitter candidate. The subsequent elucidation of the noradrenergic system made it apparent that rapid enzymatic breakdown was not essential for a released transmitter, and the possibility of high-affinity re-uptake processes became establ ished as an alternative means of terminating the synaptic actions of a transmitter. With the eventual acceptance of the amino acids as excitat ory or inhibitory transmitters, the requirement for a transmit ter to be present in a low concentration overall (although locally concentrated in specific terminals) also had to be discarded. This necessitated the additional concept of specif ic metabolic pools with different functions being located in different cells or within different regions of the same cell. Some localization of glutamate and aspartate remote from excit able membranes is clearly essential since their overall brain concentrations would be sufficient to maximally depolarize the majority of neurones in the brain. The concept of separate metabolic pools has been supported by stUdies on turnover rate (see Chapter 5).
Author: Johannes Hirrlinger
Publisher: Humana Press
ISBN: 9781493910588
Category : Medical
Languages : en
Pages : 0
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Book Description
Brain Energy Metabolism addresses its challenging subject by presenting diverse technologies allowing for the investigation of brain energy metabolism on different levels of complexity. Model systems are discussed, starting from the reductionist approach like primary cell cultures which allow assessing of the properties and functions of a single brain cell type with many different types of analysis, however, at the expense of neglecting the interaction between cell types in the brain. On the other end, analysis in animals and humans in vivo is discussed, maintaining the full complexity of the tissue and the organism but making high demands on the methods of analysis. Written for the popular Neuromethods series, chapters include the kind of detailed description and key implementation advice that aims to support reproducible results in the lab. Meticulous and authoritative, Brain Energy Metabolism provides an ideal guide for researchers interested in brain energy metabolism with the hope of stimulating more research in this exciting and very important field.
Author: D. Richter
Publisher: Elsevier
ISBN: 1483138488
Category : Science
Languages : en
Pages : 239
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Book Description
Biochemical Factors Concerned in the Functional Activity of the Nervous System presents the biological aspects concerned in the functional activity of the nervous system. This book covers several interesting topics concerning the central nervous system, including phospholipids, RNA synthesis, nerve impulse flow, and nerve growth factor. Comprised of 213 chapters, this book begins with an overview of the electron micrographs of calcium–ATP–phospholipid complexes. This text then examines the biochemical and histochemical studies on sectioned rat spinal cords, which demonstrated two types of monoamine-reducing drugs. Other chapters consider the diversity of antagonistic relations between the thiamine derivatives and vitamin B6, which is manifested by changes in the glutamate–GABA, histidine–histamine, tryptophan–serotonin, and tyrosine–noradrenaline systems. This book discusses as well the influence of a conditioned avoidance training experience on the incorporation of radioactive uridine into the RNA of mouse brain. The final chapter deals with the amino acid-incorporating activity of cerebral polyribosomes. This book is a valuable resource for biochemists, neurologists, pharmacologists, and biophysicists.
Author: Abel Lajtha
Publisher:
ISBN:
Category : Neurochemistry
Languages : en
Pages : 488
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Book Description
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 0309172810
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
It is a commonly held belief that athletes, particularly body builders, have greater requirements for dietary protein than sedentary individuals. However, the evidence in support of this contention is controversial. This book is the latest in a series of publications designed to inform both civilian and military scientists and personnel about issues related to nutrition and military service. Among the many other stressors they experience, soldiers face unique nutritional demands during combat. Of particular concern is the role that dietary protein might play in controlling muscle mass and strength, response to injury and infection, and cognitive performance. The first part of the book contains the committee's summary of the workshop, responses to the Army's questions, conclusions, and recommendations. The remainder of the book contains papers contributed by speakers at the workshop on such topics as, the effects of aging and hormones on regulation of muscle mass and function, alterations in protein metabolism due to the stress of injury or infection, the role of individual amino acids, the components of proteins, as neurotransmitters, hormones, and modulators of various physiological processes, and the efficacy and safety considerations associated with dietary supplements aimed at enhancing performance.
Author: Institute of Medicine
Publisher: National Academies Press
ISBN: 030905088X
Category : Medical
Languages : en
Pages : 560
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Book Description
The physiological or psychological stresses that employees bring to their workplace affect not only their own performance but that of their co-workers and others. These stresses are often compounded by those of the job itself. Medical personnel, firefighters, police, and military personnel in combat settingsâ€"among othersâ€"experience highly unpredictable timing and types of stressors. This book reviews and comments on the performance-enhancing potential of specific food components. It reflects the views of military and non-military scientists from such fields as neuroscience, nutrition, physiology, various medical specialties, and performance psychology on the most up-to-date research available on physical and mental performance enhancement in stressful conditions. Although placed within the context of military tasks, the volume will have wide-reaching implications for individuals in any job setting.
Author: Abel Lajtha
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Abel Lajtha
Publisher:
ISBN:
Category : Neurochemistry
Languages : en
Pages : 624
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Book Description
