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Information to Users
The direct and modulatory antinociceptive actions of endogenous and exogenous opioid delta agonists Item Type text; Dissertation-Reproduction (electronic) Authors Vanderah, Todd William. Publisher The University of Arizona. Rights Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. Download date 04/10/2021 00:14:57 Link to Item http://hdl.handle.net/10150/187190 INFORMATION TO USERS This ~uscript }las been reproduced from the microfilm master. UMI films the text directly from the original or copy submitted. Thus, some thesis and dissertation copies are in typewriter face, while others may be from any type of computer printer. The quality of this reproduction is dependent upon the quality of the copy submitted. Broken or indistinct print, colored or poor quality illustrations and photographs, print bleedthrough, substandard margins, and improper alignment can adversely affect reproduction. In the unlikely. event that the author did not send UMI a complete mannscript and there are missing pages, these will be noted Also, if unauthorized copyright material had to be removed, a note will indicate the deletion. Oversize materials (e.g., maps, drawings, charts) are reproduced by sectioning the original, beginnjng at the upper left-hand comer and contimJing from left to right in equal sections with small overlaps. Each original is also photographed in one exposure and is included in reduced form at the back of the book. Photographs included in the original manuscript have been reproduced xerographically in this copy. -
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The Journal of Neuroscience, October 1, 1997, 17(19):7471–7479 Presynaptic Versus Postsynaptic Localization of m and d Opioid Receptors in Dorsal and Ventral Striatopallidal Pathways M. Foster Olive,1,2 Benito Anton,2 Paul Micevych,3 Christopher J. Evans,2 and Nigel T. Maidment2 1Interdepartmental Neuroscience Ph.D. Program and Departments of 2Psychiatry and Biobehavioral Sciences and 3Neurobiology, University of California at Los Angeles, Los Angeles, California 90024 Parallel studies have demonstrated that enkephalin release of cells that were adjacent to enkephalin and synaptophysin from nerve terminals in the pallidum (globus pallidus and ventral immunoreactivities. Injections of the anterograde tracer pallidum) can be modulated by locally applied opioid drugs. To Phaseolus vulgaris leucoagglutinin (PHA-L) or the retrograde investigate further the mechanisms underlying these opioid tracer Texas Red-conjugated dextran amine (TRD) into the effects, the present study examined the presynaptic and dorsal and ventral striatum resulted in labeling of striatopallidal postsynaptic localization of d (DOR1) and m (MOR1) opioid fibers and pallidostriatal cell bodies, respectively. DOR1 immu- receptors in the dorsal and ventral striatopallidal enkephalin- nostaining in the pallidum co-localized only with TRD and not ergic system using fluorescence immunohistochemistry com- PHA-L, whereas pallidal MOR1 immunostaining co-localized bined with anterograde and retrograde neuronal tracing tech- with PHA-L and not TRD. These results suggest that pallidal niques. DOR1 immunostaining patterns revealed primarily a enkephalin release may be modulated by m opioid receptors postsynaptic localization of the receptor in pallidal cell bodies located presynaptically on striatopallidal enkephalinergic neu- adjacent to enkephalin- or synaptophysin-positive fiber termi- rons and by d opioid receptors located postsynaptically on nals. -
Opioid Receptorsreceptors
OPIOIDOPIOID RECEPTORSRECEPTORS defined or “classical” types of opioid receptor µ,dk and . Alistair Corbett, Sandy McKnight and Graeme Genes encoding for these receptors have been cloned.5, Henderson 6,7,8 More recently, cDNA encoding an “orphan” receptor Dr Alistair Corbett is Lecturer in the School of was identified which has a high degree of homology to Biological and Biomedical Sciences, Glasgow the “classical” opioid receptors; on structural grounds Caledonian University, Cowcaddens Road, this receptor is an opioid receptor and has been named Glasgow G4 0BA, UK. ORL (opioid receptor-like).9 As would be predicted from 1 Dr Sandy McKnight is Associate Director, Parke- their known abilities to couple through pertussis toxin- Davis Neuroscience Research Centre, sensitive G-proteins, all of the cloned opioid receptors Cambridge University Forvie Site, Robinson possess the same general structure of an extracellular Way, Cambridge CB2 2QB, UK. N-terminal region, seven transmembrane domains and Professor Graeme Henderson is Professor of intracellular C-terminal tail structure. There is Pharmacology and Head of Department, pharmacological evidence for subtypes of each Department of Pharmacology, School of Medical receptor and other types of novel, less well- Sciences, University of Bristol, University Walk, characterised opioid receptors,eliz , , , , have also been Bristol BS8 1TD, UK. postulated. Thes -receptor, however, is no longer regarded as an opioid receptor. Introduction Receptor Subtypes Preparations of the opium poppy papaver somniferum m-Receptor subtypes have been used for many hundreds of years to relieve The MOR-1 gene, encoding for one form of them - pain. In 1803, Sertürner isolated a crystalline sample of receptor, shows approximately 50-70% homology to the main constituent alkaloid, morphine, which was later shown to be almost entirely responsible for the the genes encoding for thedk -(DOR-1), -(KOR-1) and orphan (ORL ) receptors. -
Literature Review of Prescription Analgesics in the Causal Path to Pain
Literature Review: Opioids and Death compiled by Bill Stockdale ([email protected]) This review is the result of searches for the terms opioid/opioid-related-disorders and death/ADE done in the PubMed database. This bibliography includes selected articles from the 1,075 found by searching during May, 2008, which represent key findings in the study of opioids. Articles for which there is no abstract are excluded. Also case reports and initial clinical trial reports are excluded. This is a compendium of all articles and do not lead to a specific target. There are three major topics developed in the literature as shown in this table of contents; • Topic One: Opioids in Causal Path to Death (page 1) o Prescription Drug Deaths (page 1) o Illicit Drug Deaths (page 30) o Neonatal Deaths (page 49) • Topic Two: Deaths in Palliative Care and Pain Treatment (page 57) • Topic Three: Pharmacology, Psychology, Origins of Abuse Relating to Death (page 72) • Bibliography (page 77) The three topics are presented below; each is followed in chronological order. Topic One: Opioids in Causal Path to Death Prescription Drug Deaths Karlson et al. describe differences in treatment of acute myocardial infarction, including different opioid use among men and women. The question whether women and men with acute myocardial infarction (AMI) are treated differently is currently debated. In this analysis we compared pharmacological treatments and revascularization procedures during hospitalization and during 1 year of follow-up in 300 women and 621 men who suffered an AMI in 1986 or 1987 at our hospital. During hospitalization, the mean dose of morphine (+/- SD) during the first 3 days was higher in men compared to women (14.5 +/- 15.7 vs. -
The Promises of Opioids: Future and Present
The promises of opioids: Future and present Gavril W. Pasternak, MD PhD Anne Burnett Tandy Chair of Neurology Laboratory Hear, Molecular Pharmacology Program Memorial Sloan-Kettering Cancer Center and Professor of Pharmacology, Neurology & Neuroscience and Psychiatry Weill Cornell Medical College Dedication E. Leong Way (1915-2017) This talk is dedicated to Eddie Way Eddie provided a foundation for opioid pharmacology His work and insights have brought us to where we are today Pain “And only YOU can hear this whistle?” The study of pain is difficult due to its subjective nature and the unpredictable contributions of genetics Opioid analgesia Perception is a cortical and subcortical process Activation of Peripheral Opioid are active: Nociceptors • Spinally • Supraspinally Ascending • Peripherally Descending Pathway Modulatory Pathway There is synergy among sites: • Spinal/supraspinal • Systemic/spinal Synapse in dorsal horn and ascend through neo- and paleospinothalamic pathways. 4 Complexity of opioid analgesia Genetic backgrounds impact potency 100 Morphine 5 mg/kg Genetic backgrounds impact selectivity 80 60 40 20 Analgesia (% mice) of Analgesia 0 j HS CD-1 C57/+ CXBK Balb/c C57/bg SwissWebster Mouse Strain 5 Complexity of opioid analgesia 100 Genetic backgrounds impact potency *P <0.001 Genetic backgrounds impact selectivity 75 50 25 * 0 CD-1 CXBK 6 Why Mu Opioids Differ? • Different pharmacokinetics • Different metabolic profile • Differential function activation of the receptor (Biased Signaling) • Differential activation of subtypes -
The Cardiovascular Actions of Mu and Kappa Opioid Agonists In
THE CARDIOVASCULAR ACTIONS OF MU AND KAPPA OPIOID AGONISTS IN VIVO AND IN VITRO. By Abimbola T. Omoniyi, BSc (Hons) A thesis submitted in accordance with the requirements of the University of Surrey for the Degree of Doctor of Philosophy. Department of Pharmacology, September 1998. Cornell University Medical College, New York, NY 10021, ProQuest Number: 27733163 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a com plete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. uest ProQuest 27733163 Published by ProQuest LLC (2019). Copyright of the Dissertation is held by the Author. All rights reserved. This work is protected against unauthorized copying under Title 17, United States C ode Microform Edition © ProQuest LLC. ProQuest LLC. 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, Ml 48106 - 1346 ACKNOWLEDGEMENTS I would like to thank God through whom all things are made possible. Many thanks to Dr. Hazel Szeto for funding this thesis. Heartfelt gratitude to Dr. Dunli Wu for his support, encouragement and for keeping me sane. I thoroughly enjoyed the funny stories, the relentless Viagra jokes and endless tales of the Chinese revolution! Thanks to Dr. Yi Soong for all her support and generous assistance and all that food! Thanks to Dr. Ian Kitchen and Dr. Susanna Hourani for making this a successful collaborative degree. Thanks to my family for all their support and belief in me. -
Pharmacological Potential of the Endogenous Dipeptide Kyotorphin and Selected Derivatives
fphar-07-00530 January 10, 2017 Time: 16:35 # 1 REVIEW published: 12 January 2017 doi: 10.3389/fphar.2016.00530 Pharmacological Potential of the Endogenous Dipeptide Kyotorphin and Selected Derivatives Juliana Perazzo, Miguel A. R. B. Castanho and Sónia Sá Santos* Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Lisboa, Portugal The endogenous peptide kyotorphin (KTP) has been extensively studied since it was discovered in 1979. The dipeptide is distributed unevenly over the brain but the majority is concentrated in the cerebral cortex. The putative KTP receptor has not been identified yet. As many other neuropeptides, KTP clearance is mediated by extracellular peptidases and peptide transporters. From the wide spectrum of biological activity of KTP, analgesia was by far the most studied. The mechanism of action is still unclear, but researchers agree that KTP induces Met-enkephalins release. More recently, KTP was proposed as biomarker of Alzheimer disease. Despite all that, KTP limited pharmacological value prompted researchers to develop derivatives more lipophilic and therefore more prone to cross the blood–brain barrier (BBB), and also more resistant to enzymatic degradation. Conjugation of KTP with functional molecules, such as ibuprofen, generated a new class of compounds with additional biological properties. Edited by: Chris Bailey, Moreover, the safety profile of these derivatives compared to opioids and their efficacy University of Bath, UK as neuroprotective agents greatly increases their pharmacological -
Opioid Receptors in Immune and Glial Cells—Implications for Pain Control
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Institutional Repository of the Freie Universität Berlin REVIEW published: 04 March 2020 doi: 10.3389/fimmu.2020.00300 Opioid Receptors in Immune and Glial Cells—Implications for Pain Control Halina Machelska* and Melih Ö. Celik Department of Experimental Anesthesiology, Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany Opioid receptors comprise µ (MOP), δ (DOP), κ (KOP), and nociceptin/orphanin FQ (NOP) receptors. Opioids are agonists of MOP, DOP, and KOP receptors, whereas nociceptin/orphanin FQ (N/OFQ) is an agonist of NOP receptors. Activation of all four opioid receptors in neurons can induce analgesia in animal models, but the most clinically relevant are MOP receptor agonists (e.g., morphine, fentanyl). Opioids can also affect the function of immune cells, and their actions in relation to immunosuppression and infections have been widely discussed. Here, we analyze the expression and the role of opioid receptors in peripheral immune cells and glia in the modulation of pain. All four opioid receptors have been identified at the mRNA and protein levels in Edited by: immune cells (lymphocytes, granulocytes, monocytes, macrophages) in humans, rhesus Sabita Roy, monkeys, rats or mice. Activation of leukocyte MOP, DOP, and KOP receptors was University of Miami, United States recently reported to attenuate pain after nerve injury in mice. This involved intracellular Reviewed by: 2+ Lawrence Toll, Ca -regulated release of opioid peptides from immune cells, which subsequently Florida Atlantic University, activated MOP, DOP, and KOP receptors on peripheral neurons. -
Changes in Spinal and Opioid Systems in Mice Deficient in The
The Journal of Neuroscience, November 1, 2002, 22(21):9210–9220 Changes in Spinal ␦ and Opioid Systems in Mice Deficient in the A2A Receptor Gene Alexis Bailey,1 Catherine Ledent,2 Mary Kelly,1 Susanna M. O. Hourani,1 and Ian Kitchen1 1Pharmacology Group, School of Biomedical and Life Sciences, University of Surrey, Guildford, Surrey, GU2 7XH United Kingdom, and 2Institut de Recherche Interdisciplinaire en Biologie Humaine et Nucle´ aire, Universite´ Libre de Bruxelles, B-1070 Brussels, Belgium A large body of evidence indicates important interactions be- but not in the brains of the knock-out mice. and ORL1 receptor tween the adenosine and opioid systems in regulating pain at both expression were not altered significantly. Moreover, a significant ␦ the spinal and supraspinal level. Mice lacking the A2A receptor reduction in -mediated antinociception and a significant increase gene have been developed successfully, and these animals were in -mediated antinociception were detected in mutant mice, shown to be hypoalgesic. To investigate whether there are any whereas -mediated antinociception was unaffected. Comparison compensatory alterations in opioid systems in mutant animals, we of basal nociceptive latencies showed a significant hypoalgesia in have performed quantitative autoradiographic mapping of , ␦, , knock-out mice when tested at 55°C but not at 52°C. The results and opioid receptor-like (ORL1) opioid receptors in the brains and suggest a functional interaction between the spinal ␦ and opioid spinal cords of wild-type and homozygous A2A receptor knock- and the peripheral adenosine system in the control of pain out mice. In addition, -, ␦-, and Ϫmediated antinociception pathways. using the tail immersion test was tested in wild-type and homozy- ␦ gous A2A receptor knock-out mice. -
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Multiple Opioid Receptors in Endotoxic Shock
Proc. Natl. Acad. Sci. USA Vol. 81, pp. 2898-2901, May 1984 Medical Sciences Multiple opioid receptors in endotoxic shock: Evidence for 6 involvement and ,u-6 interactions in vivo (endogenous opiates/receptor allosterism/cardiovascular function/opiate antagonists/rats) ROBERT D'AMATO AND JOHN W. HOLADAY* Neuropharmacology Branch, Department of Medical Neurosciences, Division of Neuropsychiatry, Walter Reed Army Institute of Research, Washington, DC 20012 Communicated by Choh Hao Li, January 30, 1984 ABSTRACT The use of selective 8 and it opioid antago- macology is less well established and selective antagonists nists has provided evidence that 8 opioid receptors within the are as yet unavailable. brain mediate the endogenous opioid component of endotoxic In this report, we demonstrate that the 8 antagonist ICI, at shock hypotension. The selectivity of these 6 and ,u antagonists doses shown to be without effect upon analgesia (15, 16), was demonstrated by their differing effects upon morphine an- significantly reversed endotoxic hypotension following cen- algesia and endotoxic hypotension. The !t antagonist (-funal- tral or peripheral injection. By contrast, the A antagonist P- trexamine, at doses that antagonized morphine analgesia, FNA failed to alter the pattern of hypotension produced by failed to alter shock, whereas the 6 antagonist M 154,129: endotoxemia at a dose that significantly antagonized mor- [N,N-bisallyl-Tyr-Gly-Gly-I.(CH2S)-Phe-Leu-OH] (ICI) re- phine-induced analgesia (15, 16). Unexpectedly, pretreat- versed shock at doses that failed to block morphine analgesia. ment with ,B-FNA antagonized the ability of ICI to reverse Therefore, selective 8 antagonists may have therapeutic value endotoxic hypotension.