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Serotonin (5-hydroxytryptamine, often cited as 5-HT) is one of the major excitatory neurotransmitter, and the serotonergic system is one of the best studied and understood transmitter systems. It is crucially involved in the organization of virtually all behaviours and in the regulation of emotion and mood. Alterations in the serotonergic system, induced by e.g. learning or pathological processes, underlie behavioural plasticity and changes in mood, which can finally results in abnormal behaviour and psychiatric conditions. Not surprisingly, the serotonergic system and its functional components appear to be targets for a multitude of pharmacological treatments - examples of very successful d...
In the recent years, studies based on two-hybrid screens, proteomic, biochemical and cell biology approaches, have shown that intracellular domains of G protein-coupled receptors (GPCR) or heptaspanning membrane receptors (HSMRs) interact with intracellular proteins. These interactions are the basis of a protein network associated to these receptors which includes scaffolding proteins containing one or several PDZ (post-synaptic density-95, discs large, zona occludens-1) domains, signalling proteins and proteins of the cytoskeleton. The present book is focused on the emerging evidence for interactions of G protein-coupled receptors with scaffolding, cytoskeletal and signalling proteins that will play a role in the targeting, anchoring and functioning of these receptors in the plasma membrane, thus contributing to cell development and plasticity.
Following the successful format of the first volume on long- term potentiation -- a leading candidate for the neuronal basis of learning and memory -- Volume 2 brings together the most recent data and hypotheses by top neuroscientists regarding the mechanisms of this phenomenon and of long-term depression (LTD). The book is divided into several sections covering different aspects of the field ranging from molecular mechanisms of plasticity to computational neurobiology. It revisits some of the major points covered in Volume 1, updating them in this fast-moving field. It also introduces several new issues that have arisen since then. Of the many possible new topics that could have been added, the editors have focused on retrograde messengers and the mechanisms and functions of LTP and LTD because they are the subject of much interest, research, and controversy. The section on retrograde messengers deals primarily with nitric oxide.
G protein-coupled receptors (GPCRs) are the largest family of cell-surface receptors, with more than 800 members identified thus far in the human genome. The book lies between the fields of chemical biology, molecular pharmacology, and medicinal chemistry.
The story of a scientific controversy: the case of "memory of water". A true scientific thriller with detailed descriptions of disputed experiments performed by the French immunologist Jacques Benveniste; with many details of the famous conflict with the scientific journal Nature and its Director John Maddox. www.mille-mondes.fr
International Review of Cytology presents current advances and comprehensive reviews in cell biology--both plant and animal. Articles in this volume address topics such as class A macrophage scavenger receptors, microtubule transport in the axon, G-protein-coupled receptors, genes involved in the initiation of DNA replication in yeast, phenotype switching in polymorphic tetrahymena, and mitosis and motor proteins. Authored by some of the foremost scientists in the field, each volume provides up-to-date information and directions for future research.
This volume is based on a meeting of the Fondation IPSEN, held in Paris on Sep tember 18, 1995 to address the main issues of nervous system stem cells biology. Cell replacement in the adult mammals is not unusual outside the nervous sys tem. In fact, the nervous system is unique in lacking the ability to replace cells, following damage. Most neurons, in the adult central nervous system are termin of the organism and are not replaced ally differentiated, exist through the life when they die. There are, however, regions of the postnatal brain that continue to produce new neurons, but the fate and longevity of those cells are not well known. Evidence exists that small populations of neurons con...
This Fondation IPSEN Colloque Médecine et Recherche was devoted to the interface between the complexity of brain organization and function, the mechanisms for generating diversity and genetic mobility. The goal was to expand the current limits of research in neurobiology not only to the benefit of those interested in the cellular and molecular processes but also for the understanding of high-level cognitive functions and the understanding of complex mental diseases.
This book provides a comprehensive, up-to-date review of the distribution, pharmacology and physiology of central 5-hydroxytryptamine (5-HT)4 receptors. The 5-HT receptor subtypes exhibit a unique pharmacology, distribution and function, of which the 5-HT4 receptor has been one of the most intensively studied in recent years, both from a basic research standpoint and as a target for novel therapeutics.
This Research Topic aims to highlight and cover recent understanding on striatal signaling pathways, which are activated by a variety of therapeutic agents or drugs of abuse in physiological and pathological context. The recent development of different mouse models allowing the identification of specific cell types and neuronal circuits in which a given signaling pathway is activated in various physiological and pathological conditions provides essential information and allowed to untangle the complexity of study signal transduction in the brain in vivo.