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Transcellular Cycles Underlying Neurotransmission

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889196548 Year: Pages: 105 DOI: 10.3389/978-2-88919-654-8 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Neurology
Added to DOAB on : 2016-08-16 10:34:25
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Abstract

Synaptic transmission demands the operation of a highly specialized metabolic machinery involving the transfer of metabolites and neurotransmitters between neurons, astrocytes and microvessels. In the last years, important advances have occurred in our understanding of the mechanisms underlying cerebral activation, neuroglial coupling and the associated neurovascular response. Briefly, exacerbated oxygen consumption in stimulated neurons is thought to trigger glycolytic lactate and glucose transfer from astrocytes which, in turn, obtain these fuels from the microvasculature. Neurotransmitter release is made possible by a combination of transcellular cycles exchanging metabolites between these three compartments, returning eventually the synapsis to its pre-firing situation in the resting periods. In spite of the enormous progresses achieved in recent years, the drivers determining the predominant direction of the fluxes, their quantitative contribution and their energy requirements, have remained until today incompletely understood, more particularly under the circumstances prevailing in vivo. In many instances, progress derived from the implementation of novel methodological approaches including advanced neuroimaging and neurospectroscopy methods. As a consequence, literature in the field became vast, diverse and spread within journals of different specialities. The e-book "Transcellular cycles underlying neurotransmission" aims to summaryze in a single volume, recent progress achieved in hypothesis, methods and interpretations on the trafficking of metabolites between neurons and glial cells, and the associated mechanisms of neurovascular coupling.

Calcium Signaling in Human Health and Diseases

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ISBN: 9783038975373 9783038975380 Year: Pages: 462 DOI: 10.3390/books978-3-03897-538-0 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Physiology --- Biochemistry --- Internal medicine --- Biology
Added to DOAB on : 2019-01-21 10:12:01
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Intracellular Ca2+ signaling is witnessing an amazing resurgence of interest. In addition to traditional Ca2+ aficionados, an astonishing (and growing) number of colleagues from all around the world have started to devote a large part of their research to gain insights into the role of Ca2+ signaling in health and disease. This is why calcium ions interact with virtually every signal transduction pathway not only in mammalian cells, but also across the phylogenetic tree, thereby, driving or modulating most, if not all, cellular functions, ranging from fertilization to apoptosis, passing through learning and memory, cardiac contractility, and immune response. This book gathers a collection of original research articles and reviews by a number of renowned experts who aim to present the state of the art of many pathophysiological aspects of intracellular Ca2+ signaling, such as embryonic development, immune response, extracellular Ca2+ signaling, neoplastic transformation, muscle hypertrophy, pulmonary inflammation, and P2X receptor gating.

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