Presynaptic Terminals

Presynaptic Terminals PDF

Author: Sumiko Mochida

Publisher: Springer

Published: 2015-01-23

Total Pages: 368

ISBN-13: 4431551662

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This book brings together leading international experts to discuss recent advances in functional studies on key proteins and protein complexes involved in each synaptic vesicle phase. These include proteins that control the final step of neurotransmitter release, in response to a neural signal, and the first step of vesicle endocytosis, which helps maintain stable neurotransmitter release in response to unceasing neural signals arriving at presynaptic terminals. Neural networks transmit input and output signals of action potentials using chemical synapses. The strength of the signal from one to another neuron can be tuned by the neural signal itself as it induces Ca2+ entry and by other neurons’ signals that modify Ca2+ entry through voltage-gated Ca2+ channels at the active zone, where chemical neurotransmitters are released from synaptic vesicles via exocytosis. Synaptic vesicles are docked and primed at the active zone prior to exocytosis and are endocytosed after exocytosis for reuse at a small presynaptic terminal. Recycled vesicles are refilled with transmitters and stored for a future round of exocytosis. Thus, synaptic vesicles in presynaptic terminals go through various phases. Each vesicle phase is well orchestrated by numerous proteins and advance step-by-step with neural activities. The fine regulations of synaptic vesicle phases by numerous proteins is an exciting subject, and systematic, well-organized explanations in this book will help the reader easily learn about complicated molecular mechanisms in presynaptic terminals.

Neurotransmitter Release

Neurotransmitter Release PDF

Author: Hugo J. Bellen

Publisher: Oxford University Press, USA

Published: 1999

Total Pages: 466

ISBN-13:

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This book provides the reader with background information on neurotransmitter release. Emphasis is placed on the rationale by which proteins are assigned specific functions rather than just providing facts about function.

Pharmacology of Neurotransmitter Release

Pharmacology of Neurotransmitter Release PDF

Author: Thomas C. Südhof

Publisher: Springer Science & Business Media

Published: 2007-12-07

Total Pages: 582

ISBN-13: 3540748059

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It has been known for half a century that neurotransmitters are released in preformed quanta, that the quanta represent transmitter-storing vesicles, and that release occurs by exocytosis. The focus of this book is twofold. In the first part, the molecular events of exocytosis are analysed. In the second part of the book, the presynaptic receptors for endogenous chemical signals are presented that make neurotransmitter release a highly regulated process.

Functional Ultrastructure

Functional Ultrastructure PDF

Author: Margit Pavelka

Publisher: Springer Science & Business Media

Published: 2010-07-16

Total Pages: 366

ISBN-13: 3211993908

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The period between 1950 and 1980 were the golden unique insights into how pathological processes affect years of transmission electron microscopy and produced cell organization. a plethora of new information on the structure of cells This information is vital to current work in which that was coupled to and followed by biochemical and the emphasis is on integrating approaches from functional studies. TEM was king and each micrograph proteomics, molecular biology, genetics, genomics, of a new object produced new information that led to molecular imaging and physiology and pathology to novel insights on cell and tissue organization and their understand cell functions and derangements in disease. functions. The quality of data represented by the images In this current era, there is a growing tendency to of cell and tissues had been perfected to a very high level substitut e modern light microscopic techniques for by the great microscopists of that era including Palade, electron microscopy, because it is less technically Porter, Fawcett, Sjostrand, Rhodin and many others. At demanding and is more readily available to researchers- present, the images that we see in leading journals for This atlas reminds us that the information obtained by the most part do not reach the same technical level and electron microscopy is invaluable and has no substitute.

Jasper's Basic Mechanisms of the Epilepsies

Jasper's Basic Mechanisms of the Epilepsies PDF

Author: Jeffrey Noebels

Publisher: OUP USA

Published: 2012-06-29

Total Pages: 1258

ISBN-13: 0199746540

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Jasper's Basic Mechanisms, Fourth Edition, is the newest most ambitious and now clinically relevant publishing project to build on the four-decade legacy of the Jasper's series. In keeping with the original goal of searching for "a better understanding of the epilepsies and rational methods of prevention and treatment.", the book represents an encyclopedic compendium neurobiological mechanisms of seizures, epileptogenesis, epilepsy genetics and comordid conditions. Of practical importance to the clinician, and new to this edition are disease mechanisms of genetic epilepsies and therapeutic approaches, ranging from novel antiepileptic drug targets to cell and gene therapies.

Biological Specimen Preparation for Transmission Electron Microscopy

Biological Specimen Preparation for Transmission Electron Microscopy PDF

Author: Audrey M. Glauert

Publisher: Princeton University Press

Published: 2014-07-14

Total Pages: 349

ISBN-13: 1400865026

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This book contains all the necessary information and advice for anyone wishing to obtain electron micrographs showing the most accurate ultrastructural detail in thin sections of any type of biological specimen. The guidelines for the choice of preparative methods are based on an extensive survey of current laboratory practice. For the first time, in a textbook of this kind, the molecular events occurring during fixation and embedding are analysed in detail. The reasons for choosing particular specimen preparation methods are explained and guidance is given on how to modify established techniques to suit individual requirements. All the practical methods advocated are clearly described, with accompanying tables and the results obtainable are illustrated with many electron micrographs. Portland Press Series: Practical Methods in Electron Microscopy, Volume 17, Audrey M. Glauert, Editor Originally published in 1999. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.

Molecular Nanomachines of the Presynaptic Terminal

Molecular Nanomachines of the Presynaptic Terminal PDF

Author: Silvio O. Rizzoli

Publisher: Frontiers Media SA

Published: 2016-10-18

Total Pages: 114

ISBN-13: 2889199983

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Synaptic transmission is the basis of neuronal communication and is thus the most important element in brain functions, ranging from sensory input to information processing. Changes in synaptic transmission can result in the formation or dissolution of memories, and can equally lead to neurological and psychiatric disorders. The proteins composing the synapse, and their respective functions, are getting increasingly known. One aspect that has become evident in the last years is that most synaptic functions are performed not by single proteins, but by highly organized multi-protein machineries, which interact dynamically to provide responses optimally suited to the needs of the neuronal network. To decipher synaptic and neuronal function, it is essential to understand the organisational, morphological and functional aspects of the molecular nanomachines that operate at the synapse. We discuss these aspects in 11 different chapters, focusing on the structure and function of the active zone, on the functional anatomy of the synaptic vesicle, and on some of the best known soluble protein complexes from the synapse, including those involved in endocytosis and vesicle recycling.

The Physiology of Synapses

The Physiology of Synapses PDF

Author: John Carew Eccles

Publisher: Academic Press

Published: 2013-10-22

Total Pages: 329

ISBN-13: 1483226069

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The Physiology of Synapses covers the considerable advances in understanding the complex physiology of synapses. This book is divided into 16 chapters that emphasize the mechanism of synaptic transmission. The first chapters describe the structural and physiological features of chemically transmitting synapses. The subsequent chapters deal with the excitatory postsynaptic responses to presynaptic impulse and the release of transmitter by presynaptic impulses. These topics are followed by discussions of the impulse generation by the excitatory postsynaptic potential; the postsynaptic electrical events produced by chemically transmitting inhibitory synapses; the ionic mechanism generating the inhibitory postsynaptic potential. The last chapters consider the mechanism of inhibitory transmitter substances, pathways responsible for postsynaptic inhibitory action, and the trophic and plastic properties of synapses. This book will prove useful to physiologists, neurologists, and researchers.

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