An Insight Into The Activation Mechanism Of The Calcatonin Gene Related Peptide Receptor Book PDFs/Epub
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Author : James Barwell
Category :
Publisher :
Published : 2010
Type : PDF & EPUB
Page :
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Description: The calcitonin-gene-related peptide (CGRP) receptor is unique among G-protein coupled receptors (GPCRs) as it consists of at least three proteins: calcitonin receptor like receptor (CLR), receptor activity modifying protein (RAMP)1 and receptor component protein (RCP). An endogenous agonist for this curious receptor is [alpha]CGRP, which is a sensory nerve-derived peptide made up of 37 amino acids. [alpha]CGRP acts as a potent vasodilator having pronounced effects on arterioles and capillaries. Understanding the pharmacodynamics of the CGRP receptor may have pharmaceutical benefit as the receptor has been associated with the onset of migraines and implicated in Raynauds syndrome. The primary aim of this thesis was to identify functionally important residues in the extracellular face of the CGRP receptor. Three areas of interest were selected including the extreme N-terminus of the CLR, extracellular loop 1 (ECL1) of the CLR and its associated transmembrane (TM) regions, and finally extracellular loop 3 (ECL3) of the CLR and its juxtamembrane regions. A site-directed mutagenesis (SDM) strategy was used to investigate these regions, primarily substituting the innate residues of CLR with alanine and assessing the mutation on multiple criteria including a functional cAMP assay, cell-surface expression, total expression, agonist-mediated internalisation and [alpha]CGRP binding. The results are interpreted and discussed taking into consideration contemporary concepts surrounding Secretin-like GPCRs. Moreover, the thesis also contains details of RAMP purification. Overall the thesis provides novel data that furthers insight into the complex phenomenon of CGRP receptor activation. Site-directed mutants have been identified that affect [alpha]CGRP binding, receptor signal transduction, the CLR/RAMP1 interface and the integrity of the protein complex structure.
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Author :
Category : Science
Publisher : ScholarlyEditions
Published : 2012-12-26
Type : PDF & EPUB
Page : 268
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Description: Peptide Receptors—Advances in Research and Application: 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Peptide Receptors. The editors have built Peptide Receptors—Advances in Research and Application: 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Peptide Receptors in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Peptide Receptors—Advances in Research and Application: 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
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Author : Turgay Dalkara
Category : Medical
Publisher : John Wiley & Sons
Published : 2017-06-09
Type : PDF & EPUB
Page : 424
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Description: Published with the New York Academy of Sciences A timely, broad-ranging exploration of the neurobiological basis and molecular mechanisms of migraines Migraines impact the lives of a significant portion of the world's population, afflicting sufferers with severe pain, nausea, and often visual impairment. The WHO views migraines as an important public health issue, and ranks them in its top twenty most disabling illnesses. Neurobiological Basis of Migraine reviews the latest advances made in our understanding of the primary basic mechanisms of migraine headache and provides valuable insights into how these findings are being translated into novel treatment and prevention strategies around the world. Written for researchers and clinicians alike, the book features edited contributions from distinguished experts in the field, taking a focused, yet wide-ranging approach to the subject. It begins by exploring the pathways and networks mediating migraine headaches, their underlying physiological mechanisms, characteristics of visceral pain, and the concept of dural neurogenic inflammation. From there the authors delve into the mechanisms sustaining the head pain and photophobia associated with migraines, and they review the pharmacology of newly discovered migraine treatments. These basic chapters are followed by clinical and genetic studies linking to key issues, including cortical spreading depression, ion channels, transporters, and epilepsy. Reviews of the latest advances in our understanding of the neurobiological basis of migraine Translates important research findings from around the globe into novel treatments strategies currently being investigated Provides researchers and clinicians with a deep understanding of the primary mechanisms of migraine from migraine modeling to clinical applications Includes contributions by many of the most respected researchers in the field, world-wide Discusses exciting recent developments in migraine mutations and their role in CSD, as well as the role of CSD in aura and trigeminal activation Timely, comprehensive, and authoritative, Neurobiological Basis of Migraine is an indispensable working resource for clinicians and migraine, headache, and pain researchers, including neurobiologists, neuropharmacologists, neurologists, and vascular neurobiologists, as well as graduate students in those fields who are involved in researching migraine headaches.
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Author : Deborah L. Hay
Category : Medical
Publisher : Springer Science & Business Media
Published : 2009-10-03
Type : PDF & EPUB
Page : 236
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Description: In 1925, J. B. Collip (1925) reported that extracts of parathyroid gland contained an activity that raised calcium levels in the blood of parathyroidectomized animals, and suggested that this was due to a hormone produced in the parathyroid gland. The story of parathyroid hormone discovery was indicative of ever-increasing sophistication in sample preparation and protein isolation techniques. This paper resolved earlier controversies over the function of the parathyroid glands and c- trol of blood calcium. The year 1961 was a banner year for parathyroid research, in which the peptides parathyroid hormone and calcitonin were purified, and in which it was suggested that calcitonin could lower blood calcium (Copp and Cameron 1961). In 1982 it was discovered that in neurons the primary RNA transcript for calcitonin could be alternatively-spliced to give calcitonin gene-reated peptide (CGRP), and shortly thereafter amylin (previously named islet amyloid polyp- tide, IAPP) was identified and shown to have homology to CGRP. Since then a and b CGRP have been delineated and adrenomedullin and intermedin discovered, and this family of homologous peptides has emerged. This family of peptide hormones has a diverse and constantly expanding range of important physiologic functions, including regulation of blood calcium, vascular tension, feeding behavior and pain recognition.
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Author : Susan D. Brain
Category : Medical
Publisher : Springer Nature
Published : 2019-08-31
Type : PDF & EPUB
Page : 192
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Description: This book is designed to focus on the role of Calcitonin Gene-Related Peptide (CGRP) in health and disease. This peptide, originally discovered in the 1980s as a sensory neuropeptide with cardiovascular effects, is now known to play a distinct role in the pain processing of migraine. The various chapters address the origin, localization and function of CGRP and its receptor in the peripheral nervous system, in the cardiovascular system, and in other tissues and organs. Further attention is paid to the drug discovery pathway where recent findings show the beneficial effect of small molecule antagonists of the CGRP receptors for the relief of the migraine attack and of monoclonal antibodies against CGRP or the CGRP receptor for migraine prevention.
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Author :
Category : Medicine
Publisher :
Published : 2000
Type : PDF & EPUB
Page : 1810
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Description:
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Author :
Category : Medical
Publisher : Academic Press
Published : 2012-12-02
Type : PDF & EPUB
Page : 766
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Description: Researchers have recently made tremendous progress in the area of mucosal immunology, greatly increasing our understanding of the common mucosal immune system, mucosal infections, and oral immunization. However, thisresearch has not previously been made available in a single work. In its large 81/2"x 11"format, Handbook of Mucosal Immunology covers the entire spectrum of mucosal immunity and is organized in two main sections to present the basic biology of the common mucosal immune system and the immune responses of the mucosae. The first section provides an introduction and historical perspective of the mucosal immune system and includes comprehensive discussion of the development and physiology of mucosal defense. It discusses such topics as the structure and function of themucosal epithelium, characteristics of mucosal-associated lymphoid tissue (MALT), Peyers patches, and concepts of mucosal vaccines. The second section focuses on the secretory immune system with special reference to mucosal diseases in the digestive (GALT), respiratory (BALT), and genitourinary tracts. This information is especially important in light of the current interest in the mechanisms, transmission, and prevention of infectious diseases such as AIDS, hepatitis, and tuberculosis. Virtually all chapters have been authored by the original investigators responsible for key observations on which current concepts are based. This handbook will be an invaluable resource for a diverse group of both researchers and practicing clinicians.Molecular biologists, immunologists, veterinarians, public health workers, physicians in specialties from pediatrics to pulmonology, and graduate students of mucosal immunology will all find this handbook the most complete work on the subject.
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Author : Alan R. Saltiel
Category : Medical
Publisher : Springer Science & Business Media
Published : 2007-10-05
Type : PDF & EPUB
Page : 214
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Description: More than 18 million people in the United States have diabetes mellitus, and about 90% of these have the type 2 form of the disease. This book attempts to dissect the complexity of the molecular mechanisms of insulin action with a special emphasis on those features of the system that are subject to alteration in type 2 diabetes and other insulin resistant states. It explores insulin action at the most basic levels, through complex systems.
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Author : Istvan Berczi
Category : Medical
Publisher : Elsevier
Published : 2016-02-03
Type : PDF & EPUB
Page : 306
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Description: Insights to Neuroimmune Biology, Second Edition discusses the systemic regulatory network, coordination, organization, and interpretation of the rapidly accumulating knowledge on the topic of neuroimmune biology, with an ultimate goal of helping readers understand the function of higher organisms, including man, in their entire complexity. This publication provides assessments and interpretations of accumulated experimental evidence, enabling the scientific community to keep abreast of essential advancements of existing knowledge as we search for greater understanding of the biology of higher organisms. Provides information on the importance and applicability of the field of neuroimmunology Describes subjects that have shown significant recent developments Introduces a whole new dimension to neuroimmunology by discussing Epigenetic Immunoregulation Investigates the mechanisms and functions of the Neuroimmune Regulatory Supersystem Promotes translational research in the field of neuroimmune biology Covers challenges, such as dealing with problems of e.g., hypothalamic regulation of immune functions, interrelationships of stress and disease, epigenetic immunoregulation, neuroprotection, and neuroimmune regulation in pregnancy.
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Author : A David Mendelow
Category : Medical
Publisher : Elsevier Health Sciences
Published : 2015-08-24
Type : PDF & EPUB
Page : 1481
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Description: Offered in print, online, and downloadable formats, this updated edition of Stroke: Pathophysiology, Diagnosis, and Management delivers convenient access to the latest research findings and management approaches for cerebrovascular disease. Picking up from where J. P. Mohr and colleagues left off, a new team of editors - Drs. Grotta, Albers, Broderick, Kasner, Lo, Mendelow, Sacco, and Wong - head the sixth edition of this classic text, which is authored by the world's foremost stroke experts. Comprehensive, expert clinical guidance enables you to recognize the clinical manifestations of stroke, use the latest laboratory and imaging studies to arrive at a diagnosis, and generate an effective medical and surgical treatment plan. Abundant full-color CT images and pathology slides help you make efficient and accurate diagnoses. Data from late-breaking endovascular trials equips you with recent findings. Includes comprehensive coverage of advances in molecular biology of cell death; risk factors and prevention; advances in diagnostics and stroke imaging; and therapeutic options, including a thorough review of thrombolytic agents and emerging data for endovascular therapy. Features brand-new chapters on Intracellular Signaling: Mediators and Protective Responses; The Neurovascular Unit and Responses to Ischemia; Mechanisms of Cerebral Hemorrhage; Stroke Related to Surgery and Other Procedures; Cryptogenic Stroke; and Interventions to Improve Recovery after Stroke. Highlights new information on genetic risk factors; primary prevention of stroke; infectious diseases and stroke; recovery interventions such as robotics, brain stimulation, and telerehabilitation; and trial design. Details advances in diagnostic tests, such as ultrasound, computed tomography (including CT angiography and CT perfusion), MRI (including MR perfusion techniques), and angiography. Includes extracted and highlighted evidence levels. Expert Consult eBook version included with print purchase. This enhanced eBook experience allows you to search all of the text, figures, and references on a variety of devices. The content can also be downloaded to tablets and smart phones for offline use. Combat stroke with the most comprehensive and updated multimedia resource on the pathophysiology, diagnosis, and management of stroke from leaders in the field