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Orphan G Protein Coupled Receptors And Novel Neuropeptides
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Book Synopsis Orphan G Protein-Coupled Receptors and Novel Neuropeptides by : Olivier Civelli
Download or read book Orphan G Protein-Coupled Receptors and Novel Neuropeptides written by Olivier Civelli and published by Springer Science & Business Media. This book was released on 2008-05-15 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade it has been shown that orphan G protein-coupled receptors (GPCRs) can be used as targets to discover novel neuropeptides. A dozen neuropeptides have been identified through this approach. Each of these neuropeptides has opened new doors for our understanding of fundamental physiological or behavioral responses. For example the orexins, MCH and ghrelin carry fundamental roles in regulating food intake while neuropeptide S, neuromedin S, the prokineticins and the orexins are major players in modulating sleep and circadian rhythms. The chapters of this book review the latest research in the field, most of them are written by the original discoverers of the respective novel neuropeptide. Emphasis is set not only on their discovery but also on their functional significance. Since many of these neuropeptides are part of drug discovery programs, this book impacts academic as well as pharmaceutical research.
Book Synopsis Orphan G Protein-Coupled Receptors and Novel Neuropeptides by : Olivier Civelli
Download or read book Orphan G Protein-Coupled Receptors and Novel Neuropeptides written by Olivier Civelli and published by Springer. This book was released on 2009-08-29 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last decade it has been shown that orphan G protein-coupled receptors (GPCRs) can be used as targets to discover novel neuropeptides. A dozen neuropeptides have been identified through this approach. Each of these neuropeptides has opened new doors for our understanding of fundamental physiological or behavioral responses. For example the orexins, MCH and ghrelin carry fundamental roles in regulating food intake while neuropeptide S, neuromedin S, the prokineticins and the orexins are major players in modulating sleep and circadian rhythms. The chapters of this book review the latest research in the field, most of them are written by the original discoverers of the respective novel neuropeptide. Emphasis is set not only on their discovery but also on their functional significance. Since many of these neuropeptides are part of drug discovery programs, this book impacts academic as well as pharmaceutical research.
Book Synopsis Neuropeptide Receptors by : Ivone Gomes
Download or read book Neuropeptide Receptors written by Ivone Gomes and published by Biota Publishing. This book was released on 2013-04-01 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuropeptides mediate their effects by binding and activating receptors that are responsible for converting these extracellular stimuli into intracellular responses. Most neuropeptides interact with G protein-coupled receptors that transduce the signal by activating heterotrimeric G proteins leading to alterations in second messenger systems to amplify the signal and elicit the intracellular response. In this review, we describe the general structure of G protein-coupled receptors including the information obtained from crystal structure determination that has given an insight into the activation mechanism of these receptors. In addition, we summarize the components of the signal transduction system (including G proteins, effectors and second messengers generally activated by the neuropeptide receptors). Using select examples of neuropeptide-receptor systems, we highlight the neuropeptides and corresponding receptors involved in modulation of pain and analgesia, body weight regulation, and hormonal regulation. Finally, we discuss the enzyme-linked tyrosine kinase receptors activated by growth factors and discuss the emerging concepts in targeting neuropeptide receptors for the identification of novel therapeutics targeting these systems. Table of Contents: Abbreviations / Overview of Neuropeptide Receptors / G Protein-Coupled Receptors: General Structure & Function / G Protein-Coupled Receptor Signaling / Neuropeptide Processing and Regulation / Neuropeptide Receptors / Perspectives / References
Book Synopsis Orphan G Protein-coupled Receptors by : Adriano Marchese
Download or read book Orphan G Protein-coupled Receptors written by Adriano Marchese and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: G protein-coupled receptors (GPCRs) are integral membrane proteins that mediate signals to the interior of the cell via activation of heterotrimeric G proteins, which subsequently interact with and activate various effector proteins, ultimately resulting in a physiological response. GPCRs are involved in a number of behaviours, and have been implicated in such processes as drug addiction and neuropsychiatric diseases. To further our understanding of the molecular mechanisms involved beyond the known GPCR-endogenous ligand systems we endeavored to discover novel GPCRs, in particular opioid and opioid related receptors, potentially involved in these processes. In order to achieve this we applied two distinct homology cloning strategies to identify the DNA sequences encoding novel GPCRs. Firstly, PCR amplification of human genomic DNA and cDNA using degenerate oligonucleotides derived from the transmembrane domains (TMs) of the opioid and the related somatostatin receptors, and secondly, querying publicly available sequence databases using the amino add sequence of known GPCRs. We have discovered a novel family comprised of two receptors, named 'GPR7' and 'GPR8', and a third receptor, named 'GPR14', that are most closely related to the opioid receptors. Our experiments also led to the cloning and successful ligand assignment of a novel P2 receptor subtype, named P2Y4, that selectively binds uridine nucleotides. We also report the discovery of three P2Y4 related receptors, ' GPR20, GPR34', and 'GPR35'. We also successfully identified an additional novel family comprised of three receptors, 'GPR3, GPR6 ', and 'GPR12', most closely related to the cannabinoid receptors. We also identified a novel GPCR, named GPR26, which is activated by high LPA concentrations (EC50 = 0.5 [mu]M). The other receptors we isolated, ' GPR1, GPR30, GPR32, GPR33' are all related to chemoattractant receptors, and we have identified two related GPCR pseudogenes, 4 GPR32 and 4 GPR33. The endogenous ligands for most of these receptors have not been assigned, hence they are referred to as orphan receptors, and are useful targets for endogenous ligand discovery. Examination of the mRNA tissue expression patterns by Northern blot and 'in situ' hybridization revealed that most are abundantly and discretely expressed in the brain, suggesting a unique role for each of these receptors in the central nervous system (CNS). Fluorescence in situ hybridization (FISH) was performed to assign each gene to a human chromosome. The cloning and identification of these novel GPCRs provide a unique opportunity for ligand discovery, and is the critical first step in the identification of many novel endogenous ligand-receptor systems.
Book Synopsis The G Protein-Coupled Receptors Handbook by : Lakshmi A. Devi
Download or read book The G Protein-Coupled Receptors Handbook written by Lakshmi A. Devi and published by Springer Science & Business Media. This book was released on 2008-03-01 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive survey of the many recent advances in the field of G protein-coupled receptors (GPCR). The authors describe the current knowledge of GPCR receptor structure and function, the different mechanisms involved in the regulation of GPCR function, and the role of pharmacological chaperones in GPCR folding and maturation. They also present new findings about how GPCR dimerization/oligomerization modifies the properties of individual receptors and show how recent developments are leading to significant advances in drug discovery, such as the detection of ligands for orphan GPCRs. Also discussed are the most recent developments that could lead to new drug discoveries: the role of GPCRs in mediating pain, the development of receptor-type selective drugs based on the structural plasticity of receptor activation, and the identification of natural ligands of orphan GPCRs (deorphanization) as possible drug targets.
Book Synopsis G Protein-Coupled Receptors in Drug Discovery by : Kenneth H. Lundstrom
Download or read book G Protein-Coupled Receptors in Drug Discovery written by Kenneth H. Lundstrom and published by CRC Press. This book was released on 2005-07-11 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: The broad range of G protein-coupled receptors (GPCRs) encompasses all areas of modern medicine and have an enormous impact on the process of drug development. Using disease-oriented methods to cover everything from screening to expression and crystallization, G Protein-Coupled Receptors in Drug Discovery describes the physiological roles of GPCRs
Book Synopsis Molecular Evolution of Pyroglutamylated RFamide Peptide and Orphan G Protein Coupled Receptor by : Rigers Bakiu
Download or read book Molecular Evolution of Pyroglutamylated RFamide Peptide and Orphan G Protein Coupled Receptor written by Rigers Bakiu and published by Grin Publishing. This book was released on 2017-02-21 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2016 in the subject Biology - Evolution, grade: -, Agricultural University of Tirana, language: English, abstract: G protein-coupled receptors (GPCRs) are members of a large protein family that share common structural motifs, including seven transmembrane helices, and play pivotal roles in cell-to-cell communications and in the regulation of cell functions. GPR103 is an orphan GPCR that shows similarities with orexin, neuropeptide FF, and cholecystokinin receptors. In humans, 26RFa/QRFP has been found to be an endogenous ligand for the orphan receptor, GPR103 and it is one of the RFamide peptides, which have been shown to exert important neuroendocrine, behavioural, sensory and autonomic functions. All the information we have till know couldn' be available if we didn't know the evolution of this important proteins and the relative interactions, which were discovered recently to be important for the regulation of locomotor activity, sleep and these neuropeptides and receptors exert neuroprotective effect in Alzheimer's Disease. Anyway, there is a long way to be walked on, because there is a need of additional information, while studing the molecular evolution of these proteins and peptides. What is the Molecular Evolution? In the First chapter the readers can find all about this branch of science and the problems this branch had overcomed in order to bring to the scientific community the molecularisation of the evolution concepts. In the following chapter to the readers is presented a descriptive overview of G-proteins and G-protein coupled receptor. In the other chapters it is also presented 26RFA/QRFP and pyroglutamylated RFamide peptide receptor (QRFPR) molecular evolution, where it is described the molecular phylogeny and the functional implication. It is even shown the unique study regarding the presence on natural selection (positive or negative selection) during the evolution of QRFPRs in mammals and fish species. In the end of
Book Synopsis Regulatory Peptides and Cognate Receptors by : Dietmar Richter
Download or read book Regulatory Peptides and Cognate Receptors written by Dietmar Richter and published by Springer Science & Business Media. This book was released on 2013-06-05 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last two decades, our knowledge on regulatory peptides and their cognate receptors, most of which are members of the seven transmembrane receptor families, has increased enormously. Regulatory peptides are small proteins which, besides their hormonal functions in regulating cellular metabolism in various tissues, may also act as neurotransmitters, and thus they often carry the prefix "neuro." Many of the cognate receptors involved in transducing the peptidergic signal across the cell membrane via a family of G proteins exist in multiple forms, the number of which frequently exceeds that of the corresponding peptide ligands. In this book, various peptide-receptor systems are discussed, e.g. CRF, somatostatin, TRH, opioid peptides, vasopressin, and oxytocin. It also discusses new strategies such as "reverse physiology" to uncover new peptides and orphan receptors.
Book Synopsis Orphan G Protein-coupled Receptors by :
Download or read book Orphan G Protein-coupled Receptors written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Studies of Orphan G Protein-coupled Receptors by : Jiyoung Heo
Download or read book Computational Studies of Orphan G Protein-coupled Receptors written by Jiyoung Heo and published by . This book was released on 2007 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neuropeptide Systems as Targets for Parasite and Pest Control by : Timothy G. Geary
Download or read book Neuropeptide Systems as Targets for Parasite and Pest Control written by Timothy G. Geary and published by Springer Science & Business Media. This book was released on 2011-01-13 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need to continually discover new agents for the control or treatment of invertebrate pests and pathogens is undeniable. Agriculture, both animal and plant, succeeds only to the extent that arthropod and helminth consumers, vectors and pathogens can be kept at bay. Humans and their companion animals are also plagued by invertebrate parasites. The deployment of chemical agents for these purposes inevitably elicits the selection of resistant populations of the targets of control, necessitating a regular introduction of new kinds of molecules. Experience in other areas of chemotherapy has shown that a thorough understanding of the biology of disease is an essential platform upon which to build a discovery program. Unfortunately, investment of research resources into understanding the basic physiology of invertebrates as a strategy to illuminate new molecular targets for pesticide and parasiticide discovery has been scarce, and the pace of introduction of new molecules for these indications has been slowed as a result. An exciting and so far unexploited area to explore in this regard is invertebrate neuropeptide physiology. This book was assembled to focus attention on this promising field by compiling a comprehensive review of recent research on neuropeptides in arthropods and helminths, with contributions from many of the leading laboratories working on these systems.
Author :Adriano Marchese Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612414686 Total Pages :342 pages Book Rating :4.4/5 (146 download)
Book Synopsis Orphan G Protein-coupled Receptors [microform] by : Adriano Marchese
Download or read book Orphan G Protein-coupled Receptors [microform] written by Adriano Marchese and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molecular Neuroendocrinology by : David Murphy
Download or read book Molecular Neuroendocrinology written by David Murphy and published by John Wiley & Sons. This book was released on 2016-01-19 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecular Neuroendocrinology: From Genome to Physiology, provides researchers and students with a critical examination of the steps being taken to decipher genome complexity in the context of the expression, regulation and physiological functions of genes in neuroendocrine systems. The 19 chapters are divided into four sectors: A) describes and explores the genome, its evolution, expression and the mechanisms that contribute to protein, and hence biological, diversity. B) discusses the mechanisms that enhance peptide and protein diversity beyond what is encoded in the genome through post-translational modification. C) considers the molecular tools that today’s neuroendocrinologists can use to study the regulation and function of neuroendocrine genes within the context of the intact organism. D) presents a range of case studies that exemplify the state-of-the-art application of genomic technologies in physiological and behavioural experiments that seek to better understand complex biological processes. • Written by a team of internationally renowned researchers • Both print and enhanced e-book versions are available • Illustrated in full colour throughout This is the third volume in a new Series ‘Masterclass in Neuroendocrinology’ , a co- publication between Wiley and the INF (International Neuroendocrine Federation) that aims to illustrate highest standards and encourage the use of the latest technologies in basic and clinical research and hopes to provide inspiration for further exploration into the exciting field of neuroendocrinology. Series Editors: John A. Russell, University of Edinburgh, UK and William E. Armstrong, The University of Tennessee, USA
Book Synopsis Fmoc Solid Phase Peptide Synthesis by : W. Chan
Download or read book Fmoc Solid Phase Peptide Synthesis written by W. Chan and published by OUP Oxford. This book was released on 1999-12-16 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of Atherton and Sheppard's volume, the technique of Fmoc solid-phase peptide synthesis has matured considerably and is now the standard approach for the routine production of peptides. The focus of this new volume is much broader, and covers the essential procedures.
Book Synopsis The Orexin System. Basic Science and Role in Sleep Pathology by : M.A. Steiner
Download or read book The Orexin System. Basic Science and Role in Sleep Pathology written by M.A. Steiner and published by Karger Medical and Scientific Publishers. This book was released on 2021-05-28 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: The orexin system, discovered in 1998, has emerged as a crucial player in regulating the sleep and wake balance inside our brain. This discovery has sparked a burst of novel and dynamic research on the physiology and pathology of sleep. The Orexin System: Basic Science and Role in Sleep Pathology honors this research and the authors share their ideas and perspectives on the novel developments within the field. The book examines the intricate role of the orexin system in regulating sleep and wake, and its interaction with other wake-regulating systems. The orexin system is dissected at the cellular and molecular level to explore the diversity of the orexin-producing neurons, their projections, and their signaling pathways. Additionally, the book discusses the diseases which are associated with a dysfunctional orexin system, such as narcolepsy, insomnia, substance abuse, and Alzheimer’s disease, and explores the new potential therapeutic applications derived from the burst of research around this fascinating system. This publication is essential reading for neurobiologists, neurologists, psychopharmacologists, sleep researchers, and other researchers and clinical scientists interested in sleep, sleep research, insomnia, and medicine in general.
Book Synopsis Behavioral Genetics of the Fly (Drosophila Melanogaster) by : Josh Dubnau
Download or read book Behavioral Genetics of the Fly (Drosophila Melanogaster) written by Josh Dubnau and published by Cambridge University Press. This book was released on 2014-06-26 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive portrayal of the behaviour genetics of the fruit fly (Drosophila melanogaster) and the methods used in these studies.
Book Synopsis Handbook of Neuroendocrinology by : George Fink
Download or read book Handbook of Neuroendocrinology written by George Fink and published by Academic Press. This book was released on 2012 with total page 895 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neuroendocrinology underpins fundamental physiological, molecular, biological, and genetic principles such as the regulation of gene transcription and translation. This handbook highlights the experimental and technical foundations of each area's major concepts and principles.
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