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In this compilation, the authors begin with a review of the mechanisms of synthesis and secretion, cellular effects and the involvement of serotonin (5-HT) in physiological and behavioral functions horses. In addition, the pathological conditions in which 5-HT is involved at the level of equine clinics are studied. Following this, the capabilities and limitations of PET imaging research on non-human primates are discussed for translation to brain DA research on humans, as well as therapeutic drug development for neurodegenerative diseases. This book also examines the etiology of autism spectrum disorder (ASD). The authors present available data contributing to the appreciation of a serotonergic dysfunction in ASD, as well as discuss new avenues to reveal the pathophysiology of this multifactorial disorder. Next, they review the historical and current evidence that links neurotransmitters with hemopoeitic stem cell mobilization, trafficking, and specially emphasize the role of serotonin in erythropoiesis. Potential actionable myelodysplastic and leukemic pathways are described and investigated.

5-HT2A receptors are G-protein coupled receptors that are widely distributed throughout the brain, most notably on neuronal and glial cells. 5-HT2A receptors have been implicated in various central physiological functions including mood regulation, memory, sleep, nociception, eating, and reward behaviors, and they are also believed to control the cardiovascular system. This book provides a comprehensive overview of these receptors including sections on their properties and distribution, approaches for their study, their role in a number of brain functions and diseases, and their role as therapeutic targets. ​

Serotonin (5-HT) was isolated and chemically characterized nearly four decades ago, and is now generally accepted to function as a neurotransmitter and neuromodulatory agent. Early research focused on the measurement of concentrations, synthesis, and metabolism of 5-HT, and only recently has the focus shifted to characterization of 5-HT receptors. Gaddum and Picarelli first sug­ gested in 1957 that the effect of 5-HT in the guinea pig ileum is mediated by two pharmacologically distinguishable receptors; however, the possibility of dual5-HT receptors was not explored systematically or successfully until the past decade. It is now clear that more, perhaps many more, subclasses of 5-HT receptors exist. The purpose of this book is to provide an up-to-date report on 5-HT receptors. This is a difficult task considering the astonishing speed at which research in this field is expanding. As the first of what we can expect to be a steady stream of monographs focusing on 5-HT receptors, the book confirms that we are in an exciting time in the history of 5-HT. For those of us who have been work­ ing on 5-HT for many years, our dream of equal progress and recognition with the more extensively studied catecholamines is finally being realized. We now have a Serotonin Club that held its first international scientific meeting in 1987, and several more international meetings are in the planning stages.

The serotonin 5-HT6 receptor represents a novel pharmacological target whose impact on physiopathology of CNS functions remains undetermined. Some receptor antagonists have been synthesized, and they show a modulatory role in learning and memory processes and food intake. The pharmacology of 5-HT6 receptor agonists is still under evaluation. However, both 5-HT6 antagonists and agonists seem to exert potential antidepressant activity. Recently, a second messenger system has been discovered. 5-HT6 receptor function is becoming more and more intriguing. Thus, the aim of the present book is to try to clarify the pharmacology of 5-HT6 receptors. - Written by expert researchers - Covers all published literature to date in the field of 5-HT6 receptors

The serotonin 5-HT6 receptor represents a novel pharmacological target whose impact on physiopathology of CNS functions remains undetermined. Some receptor antagonists have been synthesized and they show a modulatory role in learning and memory processes and food intake. The pharmacology of 5-HT6 receptor agonists is still under evaluation. However, both 5-HT6 antagonists and agonists seem to exert potential antidepressant activity. Recently, a second messenger system has been discovered. 5-HT6 receptor function is becoming more and more intriguing. Thus, the aim of the present book is to try to clarify the pharmacology of 5-HT6 receptors. - Written by expert researchers - Covers all published literature to date in the field of 5-HT6 receptors

A number of developments spanning a multitude of techniques makes this an exciting time for research in serotonin receptors. A comprehensive review of the subject from a multidisciplinary perspective, Serotonin Receptors in Neurobiology is among the first books to include information on serotonin receptor knockout studies. With contributions from l

A comprehensive, state-of-the-art review of our current understanding of the molecular and structural biology of 5-HT receptors and their potential use for drug discovery. The authors describe the anatomical, cellular, and subcellular distribution of 5-HT receptors and demonstrate a powerful approach to elucidating their physiological role using knockout mice in which the 5-HT receptors were deleted. They also review our understanding of the physiological role(s) of 5-HT receptors based mainly on studies performed in genetically engineered mice. Highlights include discussions of the behavioral phenotypes of 5-HT receptor knockout animals, the molecular biology and pharmacology of 5-HT receptors, and insights into the complexity of 5-HT receptor signal transduction.

An international group of authors have produced an overview of the progress made in the medicinal chemistry of compounds (selectively) acting at serotonin receptors or serotonin transporters either as agonists, partial agonists or antagonists.Structure - affinity relationships and structure - activity relationships of agonists, partial agonists, and antagonists of 5-HT receptors and uptake sites, are discussed. Structure, sequence homology and the effect of site-directed mutations of 5-HT receptors and the reuptake site on the binding of ligands show the tremendous impact of molecular biology on medicinal chemistry research. Also discussed is the pharmacology and (potential) clinical applications of ligands for the 5-HT receptors and the reuptake site. By developing elegant techniques of cloning and expression of serotonin receptor subtypes, their mutants and chimeras, a unique opportunity was offered to study the binding mode of serotoninergic ligands to their receptors and transporters.The distribution, structure and homologies of serotonin receptor subtypes and the structure of the serotonin transporter are also taken into account.The (potential) therapeutic applications of ligands of the different subtypes are described.Altogether an excellent addition to the Pharmacochemical Library series.

The Second IUPHAR Satellite Meeting on Serotonin was held under the auspices of the Serotonin Club in Basel, Switzerland in July 1990. The scope was wide, ranging from molecular biology through in vitro and in vivo pharmacology to new drug tools and their clinical signifi­ cance. There were three invited review lectures, by J. M. Palacios, D. I. Wallis and A. Kaumann, and S. Peroutka gave the first Serotonin Club Irvine H. Page Lecture. The rest of the oral programme was put together by the Scientific Organizing Committee based on volunteered research contributions. The invited review lecturers, the platform speak­ ers and selected poster contributors were invited to write up their contributions for inclusion in this volume. Most complied and this book is the result of their efforts. When instructing the authors prior to the meeting, we emphasized that selected new data should be put in the context of the literature findings. In this way we hoped to achieve topicality yet preserve the review perspective which facilitates its appreciation by the non-special­ ist. It was truly a pleasure to read the interesting papers which resulted and to prepare them for publication. We believe they convey to a remarkable degree the spirit of what was generally felt to be a highly stimulating exchange of information on matters serotonergic which took place in Basel last July.