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Author: Peter Holzer
Publisher: Springer Science & Business Media
ISBN: 3642188915
Category : Medical
Languages : en
Pages : 574
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Book Description
The tachykinins represent one of the most thoroughly investigated family of neuropeptides, whose members and receptors have been characterized at the genetic and molecular level and whose pharmacology has now been advanced to the first clinical application. These exciting accomplishments and prospects are reviewed and discussed in this volume in an authoritative manner. Particular emphasis is laid on the development of selective non-peptide antagonists for all 3 tachykinin receptors and their potential as novel drugs in a variety of diseases. The approval of the first tachykinin receptor antagonist as an antiemetic drug is particularly highlighted, and the utility of tachykinin receptor antagonists in affective disorders, chronic obstructive airway disease and irritable bowel syndrome, to name a few indications, is extensively considered.
Author: Peter Holzer
Publisher: Springer Science & Business Media
ISBN: 3642188915
Category : Medical
Languages : en
Pages : 574
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Book Description
The tachykinins represent one of the most thoroughly investigated family of neuropeptides, whose members and receptors have been characterized at the genetic and molecular level and whose pharmacology has now been advanced to the first clinical application. These exciting accomplishments and prospects are reviewed and discussed in this volume in an authoritative manner. Particular emphasis is laid on the development of selective non-peptide antagonists for all 3 tachykinin receptors and their potential as novel drugs in a variety of diseases. The approval of the first tachykinin receptor antagonist as an antiemetic drug is particularly highlighted, and the utility of tachykinin receptor antagonists in affective disorders, chronic obstructive airway disease and irritable bowel syndrome, to name a few indications, is extensively considered.
Author: Abba Kastin
Publisher: Elsevier
ISBN: 0080463797
Category : Science
Languages : en
Pages : 1682
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Book Description
Peptides play a crucial role in many physiological processes including actions as neurotransmitters, hormones, and antibiotics. Research has shown their importance in such fields as neuroscience, immunology, pharmacology, and cell biology. The Handbook of Biologically Active Peptides presents, for the first time, this tremendous body of knowledge in the field of biologically active peptides in one single reference. The section editors and contributors represent some of the most sophisticated and distinguished scientists working in basic sciences and clinical medicine. The Handbook of Biologically Active Peptides is a definitive, all-encompassing reference that will be indispensable for individuals ranging from peptide researchers, to biochemists, cell and molecular biologists, neuroscientists, pharmacologists, and to endocrinologists. Chapters are designed to be a source for workers in the field and will enable researchers working in a specific area to examine other related areas with which they would not ordinarily be familiar.*Chapters are designed to be a source for workers in the field and will enable researchers working in a specific area to examine other related areas that they would not ordinarily be familiar.*Fascinating relationships described in the book include the presence of some peptides originally found in frog skin that persist in the human human and brain where they can affect food intake and obesity.
Author: Stephen H. Buck
Publisher: Springer Science & Business Media
ISBN: 1461203015
Category : Medical
Languages : en
Pages : 637
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Book Description
Offers a state-of-the-art review by international experts on all aspects of tachykinin receptors, including neuropeptide/peptide and G-protein-linked receptors in general. It covers the physiology, pharmacology, biochemistry, and molecular biology of these receptors from both clinical and basic research points of view. Topics treated by the distinguished contributors include the characterization of tachykinin receptors, the mechanisms of tachykinin receptor action, a reflection on future prospects, and a historical consideration of tachykinin research.
Author: Brian D. Gulbransen
Publisher: Biota Publishing
ISBN: 1615046615
Category : Medical
Languages : en
Pages : 72
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Book Description
The enteric nervous system (ENS) is a complex neural network embedded in the gut wall that orchestrates the reflex behaviors of the intestine. The ENS is often referred to as the “little brain” in the gut because the ENS is more similar in size, complexity and autonomy to the central nervous system (CNS) than other components of the autonomic nervous system. Like the brain, the ENS is composed of neurons that are surrounded by glial cells. Enteric glia are a unique type of peripheral glia that are similar to astrocytes of the CNS. Yet enteric glial cells also differ from astrocytes in many important ways. The roles of enteric glial cell populations in the gut are beginning to come to light and recent evidence implicates enteric glia in almost every aspect of gastrointestinal physiology and pathophysiology. However, elucidating the exact mechanisms by which enteric glia influence gastrointestinal physiology and identifying how those roles are altered during gastrointestinal pathophysiology remain areas of intense research. The purpose of this e-book is to provide an introduction to enteric glial cells and to act as a resource for ongoing studies on this fascinating population of glia. Table of Contents: Introduction / A Historical Perspective on Enteric Glia / Enteric Glia: The Astroglia of the Gut / Molecular Composition of Enteric Glia / Development of Enteric Glia / Functional Roles of Enteric Glia / Enteric Glia and Disease Processes in the Gut / Concluding Remarks / References / Author Biography
Author: Sushil K. Sarna
Publisher: Biota Publishing
ISBN: 1615041516
Category : Medical
Languages : en
Pages : 159
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Book Description
Three distinct types of contractions perform colonic motility functions. Rhythmic phasic contractions (RPCs) cause slow net distal propulsion with extensive mixing/turning over. Infrequently occurring giant migrating contractions (GMCs) produce mass movements. Tonic contractions aid RPCs in their motor function. The spatiotemporal patterns of these contractions differ markedly. The amplitude and distance of propagation of a GMC are several-fold larger than those of an RPC. The enteric neurons and smooth muscle cells are the core regulators of all three types of contractions. The regulation of contractions by these mechanisms is modifiable by extrinsic factors: CNS, autonomic neurons, hormones, inflammatory mediators, and stress mediators. Only the GMCs produce descending inhibition, which accommodates the large bolus being propelled without increasing muscle tone. The strong compression of the colon wall generates afferent signals that are below nociceptive threshold in healthy subjects. However, these signals become nociceptive; if the amplitudes of GMCs increase, afferent nerves become hypersensitive, or descending inhibition is impaired. The GMCs also provide the force for rapid propulsion of feces and descending inhibition to relax the internal anal sphincter during defecation. The dysregulation of GMCs is a major factor in colonic motility disorders: irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and diverticular disease (DD). Frequent mass movements by GMCs cause diarrhea in diarrhea predominant IBS, IBD, and DD, while a decrease in the frequency of GMCs causes constipation. The GMCs generate the afferent signals for intermittent short-lived episodes of abdominal cramping in these disorders. Epigenetic dysregulation due to adverse events in early life is one of the major factors in generating the symptoms of IBS in adulthood.
Author: Fleur L. Strand
Publisher: MIT Press
ISBN: 9780262194075
Category : Medical
Languages : en
Pages : 678
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Book Description
This textbook is the first to bring together and synthesize the neuropeptide research of the past decade in such a comprehensive, scholarly manner. In recent years there has been increasing interest and, subsequently, active research in neuropeptides. These neuroactive molecules coordinate, integrate, and regulate physiological processes in all organisms, throughout all phases of development. Acting as neurohormones, neurotransmitters, and/or neuromodulators, they maintain physiological homeostasis and influence important behavioral patterns. This textbook is the first to bring together and synthesize the neuropeptide research of the past decade in such a comprehensive, scholarly manner. The book is divided into two parts. In Part I the author defines the basic principles of neuropeptide action, including their biosynthesis, processing, transport, distribution, and interactions with receptors and second messenger systems. Strand also discusses the intimate interaction between the neuropeptides, stress, and the immune system. In Part II she discusses the regulatory functions of the families of neuropeptide in sufficient detail to provide both the advanced student and senior investigator with a thorough understanding of the most important neuropeptides. The text also contains a complete and up-to-date reference/reading list.
Author: Kenneth L. Davis
Publisher: Lippincott Williams & Wilkins
ISBN: 9780781728379
Category : Medical
Languages : en
Pages : 1964
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Book Description
Thoroughly updated and completely reorganized for a sharper clinical focus, the Fifth Edition of this world-renowned classic synthesizes the latest advances in basic neurobiology, biological psychiatry, and clinical neuropsychopharmacology. The book establishes a critical bridge connecting new discoveries in molecular and cellular biology, genetics, and neuroimaging with the etiology, diagnosis, and treatment of all neuropsychiatric disorders. Nine sections focus on specific groups of disorders, covering clinical course, genetics, neurobiology, neuroimaging, and current and emerging therapeutics. Four sections cover neurotransmitter and signal transduction, emerging methods in molecular biology and genetics, emerging imaging technologies and their psychiatric applications, and drug discovery and evaluation. Compatibility: BlackBerry(R) OS 4.1 or Higher / iPhone/iPod Touch 2.0 or Higher /Palm OS 3.5 or higher / Palm Pre Classic / Symbian S60, 3rd edition (Nokia) / Windows Mobile(TM) Pocket PC (all versions) / Windows Mobile Smartphone / Windows 98SE/2000/ME/XP/Vista/Tablet PC
Author: K. Fan Chung
Publisher: Springer Science & Business Media
ISBN: 3540798420
Category : Medical
Languages : en
Pages : 380
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Book Description
The last decade or so has seen remarkable advances in our knowledge of cough. This applies especially to its basic mechanisms: the types of airway sensors, the phar- cological receptors on their membranes, the brainstem organization of the ‘cough centre’, and the involvement of the cerebral cortex in the sensations and the vol- tary control of cough. With the exception of the last of these, nearly all the studies have been on experimental animals rather than humans, for obvious reasons. One group of experimental studies has particular relevance to human patients, and that is the demonstration of the sensitization of cough pathways both in the periphery and in the brainstem. Similar sensitizations have been shown for patients with chronic cough or who have been exposed to pollutants, and it is reasonable to suppose that this is the basis of their cough and that the underlying mechanisms are generally similar in humans and other species. Important advances are also being made in clinical cough research. For the three main causes of clinical cough, asthma, post-nasal drip syndrome, and gast- oesophageal re?ux disease, we are beginning to understand the pathological processes involved. There remains a diagnostically obdurate group of idiopathic chronic coughers, but even for them approaches are being devised to clarify und- lying mechanisms and to establish diagnoses. Perhaps surprisingly, the ?eld in which there has been the least spectacular - vance is the therapy of cough.
Author: Xiao-Ying Hua
Publisher:
ISBN:
Category : Afferent pathways
Languages : en
Pages : 52
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Book Description
Author: Michel Félétou
Publisher: Morgan & Claypool Publishers
ISBN: 1615041230
Category : Science
Languages : en
Pages : 309
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Book Description
The endothelium, a monolayer of endothelial cells, constitutes the inner cellular lining of the blood vessels (arteries, veins and capillaries) and the lymphatic system, and therefore is in direct contact with the blood/lymph and the circulating cells. The endothelium is a major player in the control of blood fluidity, platelet aggregation and vascular tone, a major actor in the regulation of immunology, inflammation and angiogenesis, and an important metabolizing and an endocrine organ. Endothelial cells controls vascular tone, and thereby blood flow, by synthesizing and releasing relaxing and contracting factors such as nitric oxide, metabolites of arachidonic acid via the cyclooxygenases, lipoxygenases and cytochrome P450 pathways, various peptides (endothelin, urotensin, CNP, adrenomedullin, etc.), adenosine, purines, reactive oxygen species and so on. Additionally, endothelial ectoenzymes are required steps in the generation of vasoactive hormones such as angiotensin II. An endothelial dysfunction linked to an imbalance in the synthesis and/or the release of these various endothelial factors may explain the initiation of cardiovascular pathologies (from hypertension to atherosclerosis) or their development and perpetuation. Table of Contents: Introduction / Multiple Functions of the Endothelial Cells / Calcium Signaling in Vascular Cells and Cell-to-Cell Communications / Endothelium-Dependent Regulation of Vascular Tone / Conclusion / References
