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Arnold CA, Bagg MK, Harvey AR. The psychophysiology of music-based interventions and the experience of pain. Front Psychol 2024; 15:1361857. [PMID: 38800683 PMCID: PMC11122921 DOI: 10.3389/fpsyg.2024.1361857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/22/2024] [Indexed: 05/29/2024] Open
Abstract
In modern times there is increasing acceptance that music-based interventions are useful aids in the clinical treatment of a range of neurological and psychiatric conditions, including helping to reduce the perception of pain. Indeed, the belief that music, whether listening or performing, can alter human pain experiences has a long history, dating back to the ancient Greeks, and its potential healing properties have long been appreciated by indigenous cultures around the world. The subjective experience of acute or chronic pain is complex, influenced by many intersecting physiological and psychological factors, and it is therefore to be expected that the impact of music therapy on the pain experience may vary from one situation to another, and from one person to another. Where pain persists and becomes chronic, aberrant central processing is a key feature associated with the ongoing pain experience. Nonetheless, beneficial effects of exposure to music on pain relief have been reported across a wide range of acute and chronic conditions, and it has been shown to be effective in neonates, children and adults. In this comprehensive review we examine the various neurochemical, physiological and psychological factors that underpin the impact of music on the pain experience, factors that potentially operate at many levels - the periphery, spinal cord, brainstem, limbic system and multiple areas of cerebral cortex. We discuss the extent to which these factors, individually or in combination, influence how music affects both the quality and intensity of pain, noting that there remains controversy about the respective roles that diverse central and peripheral processes play in this experience. Better understanding of the mechanisms that underlie music's impact on pain perception together with insights into central processing of pain should aid in developing more effective synergistic approaches when music therapy is combined with clinical treatments. The ubiquitous nature of music also facilitates application from the therapeutic environment into daily life, for ongoing individual and social benefit.
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Affiliation(s)
- Carolyn A. Arnold
- Department of Anaesthesiology and Perioperative Medicine, Monash University, Melbourne, VIC, Australia
- Caulfield Pain Management and Research Centre, Alfred Health, Melbourne, VIC, Australia
| | - Matthew K. Bagg
- School of Health Sciences, University of Notre Dame Australia, Fremantle, WA, Australia
- Perron Institute for Neurological and Translational Science, Perth, WA, Australia
- Centre for Pain IMPACT, Neuroscience Research Institute, Sydney, NSW, Australia
- Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, Bentley, WA, Australia
| | - Alan R. Harvey
- Perron Institute for Neurological and Translational Science, Perth, WA, Australia
- School of Human Sciences and Conservatorium of Music, The University of Western Australia, Perth, WA, Australia
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Albinni B, Zimmerman M, Ross J, Ozdoyuran L, Alasha V, Schuster NM, Said E, Case L. Subcutaneous Oxytocin Injection Reduces Heat Pain: A Randomized-Controlled Trial. THE JOURNAL OF PAIN 2024:104547. [PMID: 38642595 DOI: 10.1016/j.jpain.2024.104547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/01/2024] [Accepted: 04/12/2024] [Indexed: 04/22/2024]
Abstract
Oxytocin (OT) is a neuropeptide broadly implicated in social relationships and behavior. OT also exerts antinociceptive and pain-reducing effects in both humans and rodents. Recent research in rodents demonstrates that these effects can be peripheral and local. In human studies, intravenous OT has reduced visceral pain, and subcutaneous injection of OT has reduced postsurgical pain. However, the local effects of subcutaneous OT on experimental pain have not been studied. We conducted a 2-session crossover study during which healthy adults received a subcutaneous injection of synthetic OT (4 mcg/2 mL) or saline placebo (isotonic saline 2 mL), in a randomized and double-blinded manner. Eighteen participants completed full study procedures. We hypothesized that 10 minutes after injection, OT would reduce measures of acute mechanical pain, pressure pain, and heat pain perception. Subcutaneous OT significantly reduced ratings of heat pain intensity and unpleasantness (both P < .01), but did not alter mechanical pain, pressure pain, or heat pain threshold (all P > .05). Changes in heat pain were observed only on the injected arm and not on the contralateral arm, confirming a localized mechanism. These findings confirm the ability of OT in or near the skin to modulate nociceptive processes in cutaneous tissues in human adults, opening exciting avenues for further mechanistic research as well as potential clinical applications for acute pain. PERSPECTIVE: This randomized-controlled trial showed that a subcutaneous injection of OT could reduce perception of heat pain tested with a thermode. OT did not alter mechanical or pressure pain or thresholds for perceiving heat pain. These findings are relevant to scientists and clinicians seeking nonaddictive local drug treatments for pain.
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Affiliation(s)
- Benedetta Albinni
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Marisa Zimmerman
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Jacob Ross
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Leyla Ozdoyuran
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Vincent Alasha
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | | | - Engy Said
- Department of Anesthesiology, UC San Diego Health, La Jolla, California
| | - Laura Case
- Department of Anesthesiology, UC San Diego Health, La Jolla, California; VA San Diego Healthcare System, San Diego, California.
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Boada MD, Gutierrez S, Eisenach JC. Effects of systemic oxytocin administration on ultraviolet B-induced nociceptive hypersensitivity and tactile hyposensitivity in mice. Mol Pain 2024; 20:17448069241226553. [PMID: 38172079 PMCID: PMC10846038 DOI: 10.1177/17448069241226553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 11/24/2023] [Accepted: 12/07/2023] [Indexed: 01/05/2024] Open
Abstract
Ultraviolet B (UVB) radiation induces cutaneous inflammation, leading to thermal and mechanical hypersensitivity. Here, we examine the mechanical properties and profile of tactile and nociceptive peripheral afferents functionally disrupted by this injury and the role of oxytocin (OXT) as a modulator of this disruption. We recorded intracellularly from L4 afferents innervating the irradiated area (5.1 J/cm2) in 4-6 old week male mice (C57BL/6J) after administering OXT intraperitoneally, 6 mg/Kg. The distribution of recorded neurons was shifted by UVB radiation to a pattern observed after acute and chronic injuries and reduced mechanical thresholds of A and C- high threshold mechanoreceptors while reducing tactile sensitivity. UVB radiation did not change somatic membrane electrical properties or fiber conduction velocity. OXT systemic administration rapidly reversed these peripheral changes toward normal in both low and high-threshold mechanoreceptors and shifted recorded neuron distribution toward normal. OXT and V1aR receptors were present on the terminals of myelinated and unmyelinated afferents innervating the skin. We conclude that UVB radiation, similar to local tissue surgical injury, cancer metastasis, and peripheral nerve injury, alters the distribution of low and high threshold mechanoreceptors afferents and sensitizes nociceptors while desensitizing tactile units. Acute systemic OXT administration partially returns all of those effects to normal.
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Affiliation(s)
- M Danilo Boada
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Silvia Gutierrez
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - James C Eisenach
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Kerr PL, Gregg JM. The Roles of Endogenous Opioids in Placebo and Nocebo Effects: From Pain to Performance to Prozac. ADVANCES IN NEUROBIOLOGY 2024; 35:183-220. [PMID: 38874724 DOI: 10.1007/978-3-031-45493-6_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Placebo and nocebo effects have been well documented for nearly two centuries. However, research has only relatively recently begun to explicate the neurobiological underpinnings of these phenomena. Similarly, research on the broader social implications of placebo/nocebo effects, especially within healthcare delivery settings, is in a nascent stage. Biological and psychosocial outcomes of placebo/nocebo effects are of equal relevance. A common pathway for such outcomes is the endogenous opioid system. This chapter describes the history of placebo/nocebo in medicine; delineates the current state of the literature related to placebo/nocebo in relation to pain modulation; summarizes research findings related to human performance in sports and exercise; discusses the implications of placebo/nocebo effects among diverse patient populations; and describes placebo/nocebo influences in research related to psychopharmacology, including the relevance of endogenous opioids to new lines of research on antidepressant pharmacotherapies.
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Affiliation(s)
- Patrick L Kerr
- West Virginia University School of Medicine-Charleston, Charleston, WV, USA.
| | - John M Gregg
- Department of Surgery, VTCSOM, Blacksburg, VA, USA
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El Heni H, Kemenesi-Gedei PB, Pálvölgyi L, Kozma-Szeredi ID, Kis G. Peripheral Branch Injury Induces Oxytocin Receptor Expression at the Central Axon Terminals of Primary Sensory Neurons. Int J Mol Sci 2023; 25:7. [PMID: 38203176 PMCID: PMC10779307 DOI: 10.3390/ijms25010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/06/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Considerable evidence suggests that oxytocin, as a regulatory nonapeptide, participates in modulatory mechanisms of nociception. Nonetheless, the role of this hypothalamic hormone and its receptor in the sensory pathway has yet to be fully explored. The present study performed immunohistochemistry, enzyme-linked immunosorbent assay, and RT-qPCR analysis to assess changes in the expression of the neuronal oxytocin receptor in female rats following tight ligation of the sciatic nerve after 1, 3, and 7 days of survival. Oxytocin receptor immunoreactivity was present in both dorsal root ganglia and lumbar spinal cord segments, but not accumulated at the site of the ligation of the peripheral nerve branch. We found a time-dependent change in the expression of oxytocin receptor mRNA in L5 dorsal root ganglion neurons, as well as an increase in the level of the receptor protein in the lumbar segment of the spinal cord. A peak in the expression was observed on day 3, which downturned slightly by day 7 after the nerve ligation. These results show that OTR expression is up-regulated in response to peripheral nerve lesions. We assume that the importance of OTR is to modify spinal presynaptic inputs of the sensory neurons upon injury-induced activation, thus to be targets of the descending oxytocinergic neurons from supraspinal levels. The findings of this study support the concept that oxytocin plays a role in somatosensory transmission.
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Affiliation(s)
- Heni El Heni
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
| | - Péter Bátor Kemenesi-Gedei
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
| | - Laura Pálvölgyi
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
| | - Ivett Dorina Kozma-Szeredi
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
| | - Gyöngyi Kis
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
- Department of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, 6720 Szeged, Hungary
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Harbour K, Cappel Z, Baccei ML. Effects of Corticosterone on the Excitability of Glutamatergic and GABAergic Neurons of the Adolescent Mouse Superficial Dorsal Horn. Neuroscience 2023; 526:290-304. [PMID: 37437798 PMCID: PMC10530204 DOI: 10.1016/j.neuroscience.2023.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/30/2023] [Accepted: 07/05/2023] [Indexed: 07/14/2023]
Abstract
Stress evokes age-dependent effects on pain sensitivity and commonly occurs during adolescence. However, the mechanisms linking adolescent stress and pain remain poorly understood, in part due to a lack of information regarding how stress hormones modulate the function of nociceptive circuits in the adolescent CNS. Here we investigate the short- and long-term effects of corticosterone (CORT) on the excitability of GABAergic and presumed glutamatergic neurons of the spinal superficial dorsal horn (SDH) in Gad1-GFP mice at postnatal days (P)21-P34. In situ hybridization revealed that glutamatergic SDH neurons expressed significantly higher mRNA levels of both glucocorticoid receptors (GR) and mineralocorticoid receptors (MR) compared to adjacent GABAergic neurons. The incubation of spinal cord slices with CORT (90 min) evoked select long-term changes in spontaneous synaptic transmission across both cell types in a sex-dependent manner, without altering the intrinsic firing of either Gad1-GFP+ or GFP- neurons. Meanwhile, the acute bath application of CORT significantly decreased the frequency and amplitude of miniature excitatory postsynaptic currents (mEPSCs), as well as the frequency of miniature inhibitory postsynaptic currents (mIPSCs), in both cell types leading to a net reduction in the balance of spontaneous excitation vs. inhibition (E:I ratio). This CORT-induced reduction in the E:I ratio was not prevented by selective antagonists of either GR (mifepristone) or MR (eplerenone), although eplerenone blocked the effect on mEPSC amplitude. Collectively, these data suggest that corticosterone modulates synaptic function within the adolescent SDH which could influence the overall excitability and output of the spinal nociceptive network.
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Affiliation(s)
- Kyle Harbour
- Molecular, Cellular and Biochemical Pharmacology Graduate Program, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, 231 Albert Sabin Way, Cincinnati, OH 45267, USA
| | - Zoe Cappel
- Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; Neuroscience Graduate Program, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; American Society for Pharmacology and Experimental Therapeutics Summer Research Program, Department of Pharmacology and Systems Physiology, University of Cincinnati Medical Center, 231 Albert Sabin Way, Cincinnati, OH 45267, USA
| | - Mark L Baccei
- Molecular, Cellular and Biochemical Pharmacology Graduate Program, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; Neuroscience Graduate Program, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267, USA; American Society for Pharmacology and Experimental Therapeutics Summer Research Program, Department of Pharmacology and Systems Physiology, University of Cincinnati Medical Center, 231 Albert Sabin Way, Cincinnati, OH 45267, USA.
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7
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Iwasaki M, Lefevre A, Althammer F, Clauss Creusot E, Łąpieś O, Petitjean H, Hilfiger L, Kerspern D, Melchior M, Küppers S, Krabichler Q, Patwell R, Kania A, Gruber T, Kirchner MK, Wimmer M, Fröhlich H, Dötsch L, Schimmer J, Herpertz SC, Ditzen B, Schaaf CP, Schönig K, Bartsch D, Gugula A, Trenk A, Blasiak A, Stern JE, Darbon P, Grinevich V, Charlet A. An analgesic pathway from parvocellular oxytocin neurons to the periaqueductal gray in rats. Nat Commun 2023; 14:1066. [PMID: 36828816 PMCID: PMC9958129 DOI: 10.1038/s41467-023-36641-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 02/08/2023] [Indexed: 02/26/2023] Open
Abstract
The hypothalamic neuropeptide oxytocin (OT) exerts prominent analgesic effects via central and peripheral action. However, the precise analgesic pathways recruited by OT are largely elusive. Here we discovered a subset of OT neurons whose projections preferentially terminate on OT receptor (OTR)-expressing neurons in the ventrolateral periaqueductal gray (vlPAG). Using a newly generated line of transgenic rats (OTR-IRES-Cre), we determined that most of the vlPAG OTR expressing cells targeted by OT projections are GABAergic. Ex vivo stimulation of parvocellular OT axons in the vlPAG induced local OT release, as measured with OT sensor GRAB. In vivo, optogenetically-evoked axonal OT release in the vlPAG of as well as chemogenetic activation of OTR vlPAG neurons resulted in a long-lasting increase of vlPAG neuronal activity. This lead to an indirect suppression of sensory neuron activity in the spinal cord and strong analgesia in both female and male rats. Altogether, we describe an OT-vlPAG-spinal cord circuit that is critical for analgesia in both inflammatory and neuropathic pain models.
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Grants
- R01 HL090948 NHLBI NIH HHS
- R01 NS094640 NINDS NIH HHS
- This work was supported by the Centre National de la Recherche Scientifique contract UPR3212, the Université de Strasbourg contract UPR3212; the University of Strasbourg Institute for Advanced Study (USIAS) fellowship 2014-15, Fyssen Foundation research grant 2015, NARSAD Young Investigator Grant 24821, Agence Nationale de la Recherche (ANR, French Research Foundation) grants n° 19-CE16-0011-0 and n° 20-CE18-0031 (to AC); the Graduate School of Pain EURIDOL, ANR-17-EURE-0022 (to AC and ECC); ANR-DFG grant GR 3619/701, PHC PROCOPE and PICS07882 grants (to AC and VG); Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) grants GR 3619/15-1, GR 3619/16-1(to VG); SFB Consortium 1158-2 (to VG, SH and BD); French Japanese governments fellowship B-16012 JM/NH and Subsidy from Nukada Institute for Medical and Biological Research (to MI); Fyssen Foundation fellowship (to AL); Région Grand Est fellowship (to DK); DFG Postdoc Fellowship AL 2466/1-1 (to FA); the Foundation of Prader-Willi Research post-doctoral fellowship (to CPS and FA); DAAD Postdoc Short term research grant 57552337 (to RP); DFG Walter Benjamin Position – Projektnummer 459051339 (to QK). National Heart, Lung, and Blood Institute Grant NIH HL090948, National Institute of Neurological Disorders and Stroke Grant NIH NS094640, and funding provided by the Center for Neuroinflammation and Cardiometabolic Diseases (CNCD) at Georgia State University (to JES). The authors thank Prof. Yulong Li for providing the GRABOTR plasmid, Drs. Romain Goutagny and Vincent Douchamps for in vivo electrophysiology advices, the Chronobiotron UMS 3415 for all animal care and the technical plateau ComptOpt UPR 3212 for behavior technical assistance.
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Affiliation(s)
- Mai Iwasaki
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Arthur Lefevre
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
- Cortical Systems and Behavior Laboratory, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Ferdinand Althammer
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
- Center for Neuroinflammation and Cardiometabolic Diseases, Georgia State University, Atlanta, USA
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
| | - Etienne Clauss Creusot
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Olga Łąpieś
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Hugues Petitjean
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Louis Hilfiger
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Damien Kerspern
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Meggane Melchior
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Stephanie Küppers
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Quirin Krabichler
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Ryan Patwell
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Alan Kania
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Tim Gruber
- Van Andel Institute, Grand Rapids, MI, USA
| | - Matthew K Kirchner
- Center for Neuroinflammation and Cardiometabolic Diseases, Georgia State University, Atlanta, USA
| | - Moritz Wimmer
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
| | - Henning Fröhlich
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
| | - Laura Dötsch
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
| | - Jonas Schimmer
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Sabine C Herpertz
- Department of General Psychiatry, Center of Psychosocial Medicine, University of Heidelberg, 69115, Heidelberg, Germany
| | - Beate Ditzen
- Institute of Medical Psychology, Heidelberg University Hospital, 69115, Heidelberg, Germany
- Ruprecht-Karls University Heidelberg, Heidelberg, Germany
| | - Christian P Schaaf
- Institute of Human Genetics, University Hospital Heidelberg, Heidelberg, Germany
- Ruprecht-Karls University Heidelberg, Heidelberg, Germany
| | - Kai Schönig
- Department of Molecular Biology, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Dusan Bartsch
- Department of Molecular Biology, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany
| | - Anna Gugula
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, 30-387, Poland
| | - Aleksandra Trenk
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, 30-387, Poland
| | - Anna Blasiak
- Department of Neurophysiology and Chronobiology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, 30-387, Poland
| | - Javier E Stern
- Center for Neuroinflammation and Cardiometabolic Diseases, Georgia State University, Atlanta, USA
| | - Pascal Darbon
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France
| | - Valery Grinevich
- Department of Neuropeptide Research in Psychiatry, Central Institute of Mental Health, University of Heidelberg, Mannheim, 68159, Germany.
- Center for Neuroinflammation and Cardiometabolic Diseases, Georgia State University, Atlanta, USA.
| | - Alexandre Charlet
- Centre National de la Recherche Scientifique and University of Strasbourg, Institute of Cellular and Integrative Neuroscience, 67000, Strasbourg, France.
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Li L, Li P, Guo J, Wu Y, Zeng Q, Li N, Huang X, He Y, Ai W, Sun W, Liu T, Xiong D, Xiao L, Sun Y, Zhou Q, Kuang H, Wang Z, Jiang C. Up-regulation of oxytocin receptors on peripheral sensory neurons mediates analgesia in chemotherapy-induced neuropathic pain. Br J Pharmacol 2023. [PMID: 36702458 DOI: 10.1111/bph.16042] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 01/19/2023] [Accepted: 01/22/2023] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND AND PURPOSE Chemotherapy-induced neuropathic pain (CINP) currently has limited effective treatment. Although the roles of oxytocin (OXT) and the oxytocin receptor (OXTR) in central analgesia have been well documented, the expression and function of OXTR in the peripheral nervous system remain unclear. Here, we evaluated the peripheral antinociceptive profiles of OXTR in CINP. EXPERIMENTAL APPROACH Paclitaxel (PTX) was used to establish CINP. Quantitative real-time polymerase chain reaction (qRT-PCR), in situ hybridization, and immunohistochemistry were used to observe OXTR expression in dorsal root ganglia (DRG). The antinociceptive effects of OXT were assessed by hot-plate and von Frey tests. Whole-cell patch clamp was performed to record sodium currents, excitability of DRG neurons, and excitatory synapse transmission. KEY RESULTS Expression of OXTR in DRG neurons was enhanced significantly after PTX treatment. Activation of OXTR exhibited antinociceptive effects, by decreasing the hyperexcitability of DRG neurons in PTX-treated mice. Additionally, OXTR activation up-regulated the phosphorylation of protein kinase C (pPKC) and, in turn, impaired voltage-gated sodium currents, particularly the voltage-gated sodium channel 1.7 (NaV 1.7) current, that plays an indispensable role in PTX-induced neuropathic pain. OXT suppressed excitatory transmission in the spinal dorsal horn as well as excitatory inputs from primary afferents in PTX-treated mice. CONCLUSION AND IMPLICATIONS The OXTR in small-sized DRG neurons is up-regulated in CINP and its activation relieved CINP by inhibiting the neural excitability by impairment of NaV 1.7 currents via pPKC. Our results suggest that OXTR on peripheral sensory neurons is a potential therapeutic target to relieve CINP.
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Affiliation(s)
- Lixuan Li
- Guangdong Medical University, Zhanjiang, Guangdong, China.,Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Pupu Li
- Department of Medical Oncology, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Jing Guo
- Department of Endocrinology and Metabolism, Shenzhen University General Hospital and Shenzhen University Academy of Clinical Medical Sciences, Shenzhen University, Shenzhen, Guangdong, China
| | - Yifei Wu
- Department of Medical Neuroscience, Key University Laboratory of Metabolism and Health of Guangdong, SUSTech Center for Pain Medicine, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Qian Zeng
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Nan Li
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Xiaoting Huang
- Medical Research Center, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Yongshen He
- Medical Research Center, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Wen Ai
- Medical Research Center, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Wuping Sun
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Tao Liu
- Department of Pediatrics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Donglin Xiong
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Lizu Xiao
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Yanyan Sun
- Department of Anesthesiology, Shenzhen University General Hospital and Shenzhen University Academy of Clinical Medical Sciences, Shenzhen University, Shenzhen, Guangdong, China
| | - Qiming Zhou
- Department of Medical Oncology, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
| | - Haixia Kuang
- Department of Pediatrics, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Zilong Wang
- Department of Medical Neuroscience, Key University Laboratory of Metabolism and Health of Guangdong, SUSTech Center for Pain Medicine, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Changyu Jiang
- Department of Pain Medicine and Shenzhen Municipal Key Laboratory for Pain Medicine, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China.,Medical Research Center, The 6th Affiliated Hospital of Shenzhen University Medical School, Shenzhen, Guangdong, China
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9
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Salinas-Abarca AB, Vázquez-Cuevas FG, González-Gallardo A, Martínez-Lorenzana G, González-Hernández A, Condés-Lara M. The glial cell's role in antinociceptive differential effects of oxytocin upon female and male rats. Eur J Pain 2022; 26:796-810. [PMID: 34978727 DOI: 10.1002/ejp.1907] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/17/2021] [Accepted: 12/31/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Sex plays a crucial role in pain processing and response to analgesic drugs. Indeed, spinal glia seems to be significant in the sexual dimorphism observed in the above effects. Recently, studies have associated oxytocin with antinociceptive effects, but these have been mainly performed in male animals; consequently, the influence of sex has been poorly explored. METHODS Using a model of spinal nociception that produces pain through activation of the spinal glia, that is, intrathecal (i.t.) lipopolysaccharide (LPS) injection, we analysed the changes in the analgesic response to i.t. oxytocin in female and male rats by behavioural (punctate mechanical hypersensitivity), electrophysiological (unitary extracellular recordings of wide dynamic range [WDR] cells) and molecular biology (real-time PCR of proinflammatory genes) experiments. RESULTS We found that LPS-induced hypersensitivity was longer in female (>96 h) than in male (≈4 h) rats. Besides, spinal oxytocin preferentially prevents the LPS-induced hypersensitivity in male rather than female rats. Indeed, LPS increases the spinal neuronal-evoked activity associated with the activation of peripheral Aδ- and C-fibres and post-discharge in males, whereas only C-fibre discharge was enhanced in females. The electrophysiological data correlate with the fact that spinal oxytocin only prevented TNF-α and IL-1β synthesis in male rats. CONCLUSIONS Therefore, these data suggest that oxytocin-mediated analgesia depends on a sexual dimorphism involving activation of the spinal glia. These results reinforced the idea that different strategies are required to treat pain in men and women, and that oxytocin could be used preferentially to treat pain with a significant inflammatory component in men. SIGNIFICANCE STATEMENT Oxytocin is a molecule that emerges as a potent analgesic in preclinical and clinical studies. We investigated the contribution of glia to the response of oxytocin-induced analgesia and how sex influences in this response show that different strategies are required to treat pain in men and women, and that oxytocin could be used preferentially to treat pain with a significant inflammatory component in men.
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Affiliation(s)
- Ana B Salinas-Abarca
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Francisco G Vázquez-Cuevas
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Adriana González-Gallardo
- Unidad de Proteogenómica del Instituto de Neurobiología, Unidad de Protogenómica, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Guadalupe Martínez-Lorenzana
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Abimael González-Hernández
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Miguel Condés-Lara
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
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10
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Ultrastructural Evidence for Oxytocin and Oxytocin Receptor at the Spinal Dorsal Horn: Mechanism of Nociception Modulation. Neuroscience 2021; 475:117-126. [PMID: 34530103 DOI: 10.1016/j.neuroscience.2021.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 01/07/2023]
Abstract
Oxytocin is a hypothalamic neuropeptide involved in the inhibition of nociception transmission at spinal dorsal horn (SDH) level (the first station where the incoming peripheral signals is modulated). Electrophysiological, behavioral, and pharmacological data strongly support the role of this neuropeptide and its receptor (the oxytocin receptor, OTR) as a key endogenous molecule with analgesic properties. Briefly, current data showed that oxytocin release from the hypothalamus induces OTR activation at the SDH, inducing selective inhibition of the nociceptive Aδ- and C-fibers (probably peptidergic) activity, but not the activity of proprioceptive fibers (i.e. Aβ-fibers). The above inhibition could be a direct presynaptic mechanism, or a mechanism mediated by GABAergic interneurons. However, the exact anatomical localization of oxytocin and OTR remains unclear. In this context, the present study set out to analyze the role of OTRs, GABAergic cells and CGRP fibers in the SDH in rats by using electron microscopy. Ultrastructural analyses of the SDH tissue show that: (i) oxytocin and OTR are found in asymmetrical synapsis; (ii) OTR is found in GABAergic interneurons (near unmyelinated fibers), CGRPergic fibers and glial cells; (iii) whereas oxytocin is present in supraspinal descending projection fibers. These anatomical data strongly support the notion that oxytocin released at the SDH could presynaptically inhibit the nociceptive input from the peripheral primary afferent fibers. This inhibitory action could be direct or use a GABA interneuron. Furthermore, our findings that OTR is exhibited in glial tissue at the SDH requires further exploration in nociception assays.
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11
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Zheng H, Lim JY, Kim Y, Jung ST, Hwang SW. The role of oxytocin, vasopressin, and their receptors at nociceptors in peripheral pain modulation. Front Neuroendocrinol 2021; 63:100942. [PMID: 34437871 DOI: 10.1016/j.yfrne.2021.100942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/01/2021] [Accepted: 08/17/2021] [Indexed: 10/20/2022]
Abstract
Oxytocin and vasopressin are neurohypophyseal hormones with sequence similarity and play a central role in bodily homeostatic regulation. Pain is currently understood to be an important phenotype that those two neurohormones strongly downregulate. Nociceptors, the first component of the ascending neural circuit for pain signals, have constantly been shown to be modulated by those peptides. The nociceptor modulation appears to be critical in pain attenuation, which has led to a gradual increase in scientific interest about their physiological processes and also drawn attention to their translational potentials. This review focused on what are recently understood and stay under investigation in the functional modulation of nociceptors by oxytocin and vasopressin. Effort to produce a nociceptor-specific view could help to construct a more systematic picture of the peripheral pain modulation by oxytocin and vasopressin.
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Affiliation(s)
- Haiyan Zheng
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Korea; Department of Physiology, College of Medicine, Korea University, Seoul 02841, Korea
| | - Ji Yeon Lim
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Korea; Department of Physiology, College of Medicine, Korea University, Seoul 02841, Korea
| | - Yerin Kim
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Korea; Department of Physiology, College of Medicine, Korea University, Seoul 02841, Korea
| | - Sang Taek Jung
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Korea
| | - Sun Wook Hwang
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Korea; Department of Physiology, College of Medicine, Korea University, Seoul 02841, Korea.
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12
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Filippa M, Monaci MG, Spagnuolo C, Serravalle P, Daniele R, Grandjean D. Maternal speech decreases pain scores and increases oxytocin levels in preterm infants during painful procedures. Sci Rep 2021; 11:17301. [PMID: 34453088 PMCID: PMC8397753 DOI: 10.1038/s41598-021-96840-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 08/11/2021] [Indexed: 12/28/2022] Open
Abstract
Preterm infants undergo early separation from parents and are exposed to frequent painful clinical procedures, with resultant short- and long-term effects on their neurodevelopment. We aimed to establish whether the mother's voice could provide an effective and safe analgesia for preterm infants and whether endogenous oxytocin (OXT) could be linked to pain modulation. Twenty preterm infants were exposed to three conditions-mother's live voice (speaking or singing) and standard care-in random order during a painful procedure. OXT levels (pg/mL) in saliva and plasma cortisol levels were quantified, and the Premature Infant Pain Profile (PIPP) was blindly coded by trained psychologists. During the mother's live voice, PIPP scores significantly decreased, with a concomitant increase in OXT levels over baseline. The effect on pain perception was marginally significant for singing. No effects on cortisol levels were found. The mother's live voice modulated preterm infants' pain indicators. Endogenous OXT released during vocal contact is a promising protective mechanism during early painful interventions in at-risk populations.
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Affiliation(s)
- Manuela Filippa
- Swiss Center of Affective Sciences, Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland.
- Department of Social Sciences, University of Valle D'Aosta, Aosta, Italy.
| | | | | | | | - Roberta Daniele
- Department of Clinical Pathology, Parini Hospital, Aosta, Italy
| | - Didier Grandjean
- Swiss Center of Affective Sciences, Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland
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13
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Yang LN, Chen K, Yin XP, Liu D, Zhu LQ. The Comprehensive Neural Mechanism of Oxytocin in Analgesia. Curr Neuropharmacol 2021; 20:147-157. [PMID: 34525934 PMCID: PMC9199553 DOI: 10.2174/1570159x19666210826142107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 05/19/2021] [Accepted: 06/15/2021] [Indexed: 11/22/2022] Open
Abstract
Oxytocin (OXT) is a nine amino acid neuropeptide hormone that has become one of the most intensively studied molecules in the past few decades. The vast majority of OXT is synthesized in the periventricular nucleus and supraoptic nucleus of the hypothalamus, and a few are synthesized in some peripheral organs (such as the uterus, ovaries, adrenal glands, thymus, pancreas, etc.) OXT modulates a series of physiological processes, including lactation, parturition, as well as some social behaviors. In addition, more and more attention has recently been focused on the analgesic effects of oxytocin. It has been reported that OXT can relieve tension and pain without other adverse effects. However, the critical role and detailed mechanism of OXT in analgesia remain unclear. This review aims to summarize the mechanism of OXT in analgesia and some ideas about the mechanism.
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Affiliation(s)
- Liu-Nan Yang
- Department of Pathophysiology, Key Lab of Neurological Disorder of Education Ministry, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030. China
| | - Kai Chen
- Department of Pathophysiology, Key Lab of Neurological Disorder of Education Ministry, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030. China
| | - Xiao-Ping Yin
- Department of Neurology, Affiliated Hospital of Jiujiang University, Jiujiang. China
| | - Dan Liu
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030. China
| | - Ling-Qiang Zhu
- Department of Pathophysiology, Key Lab of Neurological Disorder of Education Ministry, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030. China
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14
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Li XH, Matsuura T, Xue M, Chen QY, Liu RH, Lu JS, Shi W, Fan K, Zhou Z, Miao Z, Yang J, Wei S, Wei F, Chen T, Zhuo M. Oxytocin in the anterior cingulate cortex attenuates neuropathic pain and emotional anxiety by inhibiting presynaptic long-term potentiation. Cell Rep 2021; 36:109411. [PMID: 34289348 DOI: 10.1016/j.celrep.2021.109411] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 05/14/2021] [Accepted: 06/25/2021] [Indexed: 01/29/2023] Open
Abstract
Oxytocin is a well-known neurohypophysial hormone that plays an important role in behavioral anxiety and nociception. Two major forms of long-term potentiation, presynaptic LTP (pre-LTP) and postsynaptic LTP (post-LTP), have been characterized in the anterior cingulate cortex (ACC). Both pre-LTP and post-LTP contribute to chronic-pain-related anxiety and behavioral sensitization. The roles of oxytocin in the ACC have not been studied. Here, we find that microinjections of oxytocin into the ACC attenuate nociceptive responses and anxiety-like behavioral responses in animals with neuropathic pain. Application of oxytocin selectively blocks the maintenance of pre-LTP but not post-LTP. In addition, oxytocin enhances inhibitory transmission and excites ACC interneurons. Similar results are obtained by using selective optical stimulation of oxytocin-containing projecting terminals in the ACC in animals with neuropathic pain. Our results demonstrate that oxytocin acts on central synapses and reduces chronic-pain-induced anxiety by reducing pre-LTP.
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Affiliation(s)
- Xu-Hui Li
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Department of Physiology, Faculty of Medicine, University of Toronto, Medical Science Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Institute of Brain Research, Qingdao International Academician Park, Qingdao, Shandong, China
| | - Takanori Matsuura
- Department of Physiology, Faculty of Medicine, University of Toronto, Medical Science Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Department of Orthopaedics, School of Medicine, University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu 807-8555, Japan
| | - Man Xue
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Qi-Yu Chen
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Institute of Brain Research, Qingdao International Academician Park, Qingdao, Shandong, China
| | - Ren-Hao Liu
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Jing-Shan Lu
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Institute of Brain Research, Qingdao International Academician Park, Qingdao, Shandong, China
| | - Wantong Shi
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Kexin Fan
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Zhaoxiang Zhou
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Zhuang Miao
- Department of Physiology, Faculty of Medicine, University of Toronto, Medical Science Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Jiale Yang
- Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD 20201, USA
| | - Sara Wei
- Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD 20201, USA
| | - Feng Wei
- Department of Neural and Pain Sciences, University of Maryland School of Dentistry, Baltimore, MD 20201, USA
| | - Tao Chen
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Department of Anatomy, Histology, Embryology & K.K. Leung Brain Research Centre, Fourth Military Medical University, Xi'an 710032, China
| | - Min Zhuo
- Center for Neuron and Disease, Frontier Institutes of Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China; Department of Physiology, Faculty of Medicine, University of Toronto, Medical Science Building, 1 King's College Circle, Toronto, ON M5S 1A8, Canada; Institute of Brain Research, Qingdao International Academician Park, Qingdao, Shandong, China.
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15
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Biurrun Manresa JA, Schliessbach J, Vuilleumier PH, Müller M, Musshoff F, Stamer U, Stüber F, Arendt-Nielsen L, Curatolo M. Anti-nociceptive effects of oxytocin receptor modulation in healthy volunteers-A randomized, double-blinded, placebo-controlled study. Eur J Pain 2021; 25:1723-1738. [PMID: 33884702 DOI: 10.1002/ejp.1781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 04/09/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUND There is increasing evidence for oxytocin as a neurotransmitter in spinal nociceptive processes. Hypothalamic oxytocinergic neurons project to the spinal dorsal horn, where they activate GABA-ergic inhibitory interneurons. The present study tested whether the long-acting oxytocin-analogue carbetocin has anti-nociceptive effects in multi-modal experimental pain in humans. METHODS Twenty-five male volunteers received carbetocin 100 mcg and placebo (0.9% NaCl) on two different sessions in a randomized, double-blinded, cross-over design. Multi-modal quantitative sensory testing (QST) including a model of capsaicin-induced hyperalgesia and allodynia were performed at baseline and at 10, 60 and 120 min after drug administration. QST data were analysed using mixed linear and logistic regression models. Carbetocin plasma concentrations and oxytocin receptor genotypes were quantified and assessed in an exploratory fashion. RESULTS An anti-nociceptive effect of carbetocin was observed on intramuscular electrical temporal summation (estimated difference: 1.26 mA, 95% CI 1.01 to 1.56 mA, p = .04) and single-stimulus electrical pain thresholds (estimated difference: 1.21 mA, 95% CI 1.0 to 1.47 mA, p = .05). Furthermore, the area of capsaicin-induced allodynia was reduced after carbetocin compared to placebo (estimated difference: -6.5 cm2 , 95% CI -9.8 to -3.2 cm2 , p < .001). CONCLUSIONS This study provides evidence of an anti-nociceptive effect of carbetocin on experimental pain in humans. SIGNIFICANCE This study provides evidence of the anti-nociceptive effect of intravenous administration of the oxytocin agonist carbetocin in healthy male volunteers.
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Affiliation(s)
- José A Biurrun Manresa
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark.,Instituto de Investigación y Desarrollo en Bioingeniería y Bioinformática (IBB), CONICET-UNER, Oro Verde, Argentina
| | - Jürg Schliessbach
- Department of Anesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland.,Institute of Anesthesiology, University Hospital of Zurich, Zurich, Switzerland
| | - Pascal H Vuilleumier
- Department of Anesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland.,Clinic of Anesthesiology, Intensive Care and Pain Medicine, Hirslandenklinik St. Anna, Lucerne, Switzerland
| | - Monika Müller
- Department of Anesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland.,Translational Research Center, University Hospital of Psychiatry, University of Bern, Bern, Switzerland
| | | | - Ulrike Stamer
- Department of Anesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Frank Stüber
- Department of Anesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Lars Arendt-Nielsen
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
| | - Michele Curatolo
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark.,Department of Anesthesiology and Pain Therapy, University of Washington, Seattle, WA, USA
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16
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Huang CL, Liu F, Zhang YY, Lin J, Fu M, Li YL, Zhou C, Li CJ, Shen JF. Activation of oxytocin receptor in the trigeminal ganglion attenuates orofacial ectopic pain attributed to inferior alveolar nerve injury. J Neurophysiol 2020; 125:223-231. [PMID: 33326336 DOI: 10.1152/jn.00646.2020] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
This study explores the effects of oxytocin receptor (OXTR) in the trigeminal ganglion (TG) on orofacial neuropathic pain. We demonstrate that OXTR activation in the TG relieves the orofacial ectopic pain as well as inhibits the upregulated expression of calcitonin gene-related peptide (CGRP), IL-1β, and TNFα in the TG and spinal trigeminal nucleus caudalis (SpVc) of rats with inferior alveolar nerve transection. OXTR, a G protein-coupled receptor, has been demonstrated to play a significant role in analgesia after activation by its canonical agonist oxytocin (OXT) in the dorsal root ganglion. However, the role of OXTR in the trigeminal nervous system on the orofacial neuropathic pain is still little known. In the present study, we aimed to investigate the regulation effect and mechanism of OXTR in the TG) and SpVc) on orofacial ectopic pain induced by trigeminal nerve injury. The inferior alveolar nerve (IAN) was transected to establish a ectopic pain model. A behavioral test with electronic von Frey filament demonstrated IAN transection (IANX) evoked mechanical hypersensitivity in the whisker pad from day 1 to at least day 14 after surgery. In addition, administration of OXT (50 and 100 μM) into the TG attenuated the mechanical hypersensitivity induced by IANX, which was reversed by pretreatment with L-368,899 (a selective antagonist of OXTR) into the TG. In addition, immunofluorescence showed the expression of OXTR in neurons in the TG and SpVc. Furthermore, Western blot analysis indicated that the upregulated expression of OXTR, CGRP, IL-1β, and TNFα in the TG and SpVc after IANX was inhibited by the administration of OXT into the TG. And the inhibition effect of OXT on the expression of CGRP, IL-1β, and TNFα was abolished by preapplication of OXTR antagonist L-368,899 into the TG.NEW & NOTEWORTHY This study explores the effects of oxytocin receptor (OXTR) in the trigeminal ganglion (TG) on orofacial neuropathic pain. We demonstrate that OXTR activation in the TG relieves the orofacial ectopic pain as well as inhibits the upregulated expression of calcitonin gene-related peptide, IL-1β, and TNF-α in the TG and spinal trigeminal nucleus caudalis of rats with inferior alveolar nerve transection.
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Affiliation(s)
- Chao-Lan Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Min Fu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yue-Ling Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Chun-Jie Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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17
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Chen Y, Li Q, Zhang Q, Kou J, Zhang Y, Cui H, Wernicke J, Montag C, Becker B, Kendrick KM, Yao S. The Effects of Intranasal Oxytocin on Neural and Behavioral Responses to Social Touch in the Form of Massage. Front Neurosci 2020; 14:589878. [PMID: 33343285 PMCID: PMC7746800 DOI: 10.3389/fnins.2020.589878] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022] Open
Abstract
Manually-administered massage can potently increase endogenous oxytocin concentrations and neural activity in social cognition and reward regions and intranasal oxytocin can increase the pleasantness of social touch. In the present study, we investigated whether intranasal oxytocin modulates behavioral and neural responses to foot massage applied manually or by machine using a randomized placebo-controlled within-subject pharmaco-fMRI design. 46 male participants underwent blocks of massage of each type where they both received and imagined receiving the massage. Intranasal oxytocin significantly increased subjective pleasantness ratings of the manual but not the machine massage and neural responses in key regions involved in reward (orbitofrontal cortex, dorsal striatum and ventral tegmental area), social cognition (superior temporal sulcus and inferior parietal lobule), emotion and salience (amygdala and anterior cingulate and insula) and default mode networks (medial prefrontal cortex, parahippocampal gyrus, posterior cingulate, and precuneus) as well as a number of sensory and motor processing regions. Both neural and behavioral effects of oxytocin occurred independent of whether subjects thought the massage was applied by a male or female masseur. These findings support the importance of oxytocin for enhancing positive behavioral and neural responses to social touch in the form of manually administered massage and that a combination of intranasal oxytocin and massage may have therapeutic potential in autism. CLINICAL TRIALS REGISTRATION The Effects of Oxytocin on Social Touch; registration ID: NCT03278860; URL: https://clinicaltrials.gov/ct2/show/NCT03278860.
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Affiliation(s)
- Yuanshu Chen
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Qin Li
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Qianqian Zhang
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Juan Kou
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yingying Zhang
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Han Cui
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Jennifer Wernicke
- Department of Molecular Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Christian Montag
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Department of Molecular Psychology, Institute of Psychology and Education, Ulm University, Ulm, Germany
| | - Benjamin Becker
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Keith M. Kendrick
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shuxia Yao
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for NeuroInformation, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, China
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18
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Nishimura H, Kawasaki M, Suzuki H, Matsuura T, Baba K, Motojima Y, Yamanaka Y, Fujitani T, Ohnishi H, Tsukamoto M, Maruyama T, Yoshimura M, Nishimura K, Sonoda S, Sanada K, Tanaka K, Onaka T, Ueta Y, Sakai A. The neurohypophysial oxytocin and arginine vasopressin system is activated in a knee osteoarthritis rat model. J Neuroendocrinol 2020; 32:e12892. [PMID: 32761684 DOI: 10.1111/jne.12892] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/11/2020] [Accepted: 07/11/2020] [Indexed: 01/11/2023]
Abstract
Osteoarthritis (OA) causes chronic joint pain and significantly impacts daily activities. Hence, developing novel treatment options for OA has become an increasingly important area of research. Recently, studies have reported that exogenous, as well as endogenous, hypothalamic-neurohypophysial hormones, oxytocin (OXT) and arginine-vasopressin (AVP), significantly contribute to nociception modulation. Moreover, the parvocellular OXT neurone (parvOXT) extends its projection to the superficial spinal dorsal horn, where it controls the transmission of nociceptive signals. Meanwhile, AVP produced in the magnocellular AVP neurone (magnAVP) is released into the systemic circulation where it contributes to pain management at peripheral sites. The parvocellular AVP neurone (parvAVP), as well as corticotrophin-releasing hormone (CRH), suppresses inflammation via activation of the hypothalamic-pituitary adrenal (HPA) axis. Previously, we confirmed that the OXT/AVP system is activated in rat models of pain. However, the roles of endogenous hypothalamic-neurohypophysial hormones in OA have not yet been characterised. In the present study, we investigated whether the OXT/AVP system is activated in a knee OA rat model. Our results show that putative parvOXT is activated and the amount of OXT-monomeric red fluorescent protein 1 positive granules in the ipsilateral superficial spinal dorsal horn increases in the knee OA rat. Furthermore, both magnAVP and parvAVP are activated, concurrent with HPA axis activation, predominantly modulated by AVP, and not CRH. The OXT/AVP system in OA rats was similar to that in systemic inflammation models, including adjuvant arthritis; however, magnocellular OXT neurones (magnOXT) were not activated in OA. Hence, localised chronic pain conditions, such as knee OA, activate the OXT/AVP system without impacting magnOXT.
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Affiliation(s)
- Haruki Nishimura
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Makoto Kawasaki
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hitoshi Suzuki
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Takanori Matsuura
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kazuhiko Baba
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yasuhito Motojima
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiaki Yamanaka
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Teruaki Fujitani
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Hideo Ohnishi
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Manabu Tsukamoto
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Takashi Maruyama
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Mitsuhiro Yoshimura
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kazuaki Nishimura
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Satomi Sonoda
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kenya Sanada
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Kentarou Tanaka
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Tatsushi Onaka
- Division of Brain and Neurophysiology, Department of Physiology, Jichi Medical University, Shimotsuke, Japan
| | - Yoichi Ueta
- Department of Physiology, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Akinori Sakai
- Department of Orthopaedics Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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19
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Oxytocin prevents neuronal network pain-related changes on spinal cord dorsal horn in vitro. Cell Calcium 2020; 90:102246. [PMID: 32590238 DOI: 10.1016/j.ceca.2020.102246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/02/2020] [Accepted: 06/16/2020] [Indexed: 12/28/2022]
Abstract
Recently, oxytocin (OT) has been studied as a potential modulator of endogenous analgesia by acting upon pain circuits at the spinal cord and supraspinal levels. Yet the detailed action mechanisms of OT are still undetermined. The present study aimed to evaluate the action of OT in the spinal cord dorsal horn network under nociceptive-like conditions induced by the activation of the N-methyl-d-aspartate (NMDA) receptor and formalin injection, using calcium imaging techniques. Results demonstrate that the spontaneous Ca2+-dependent activity of the dorsal horn cells was scarce, and the coactivity of cells was mainly absent. When NMDA was applied, high rates of activity and coactivity occurred in the dorsal horn cells; these rates of high activity mimicked the activity dynamics evoked by a neuropathic pain condition. In addition, although OT treatment increased activity rates, it was also capable of disrupting the conformation of coordinated activity previously consolidated by NMDA treatment, without showing any effect by itself. Altogether, our results suggest that OT globally prevents the formation of coordinated patterns previously generated by nociceptive-like conditions on dorsal horn cells by NMDA application, which supports previous evidence showing that OT represents a potential therapeutic alternative for the treatment of chronic neuropathic pain.
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20
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Mou X, Fang J, Yang A, Du G. Oxytocin ameliorates bone cancer pain by suppressing toll-like receptor 4 and proinflammatory cytokines in rat spinal cord. J Neurogenet 2020; 34:216-222. [PMID: 32116108 DOI: 10.1080/01677063.2019.1711077] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xiaping Mou
- Department of Orthopedics, the People's Hospital of Jianyang, Jianyang, China
| | - Ji Fang
- Department of Ophthalmology, the People's Hospital of Jianyang, Jianyang, China
| | - An Yang
- Department of Anesthesiology, the People's Hospital of Jianyang, Jianyang, China
| | - Gang Du
- Department of Anesthesiology, the First Hospital of Zibo, Zibo, China
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21
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Hilfiger L, Zhao Q, Kerspern D, Inquimbert P, Andry V, Goumon Y, Darbon P, Hibert M, Charlet A. A Nonpeptide Oxytocin Receptor Agonist for a Durable Relief of Inflammatory Pain. Sci Rep 2020; 10:3017. [PMID: 32080303 PMCID: PMC7033278 DOI: 10.1038/s41598-020-59929-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 02/02/2020] [Indexed: 02/01/2023] Open
Abstract
Oxytocin possesses several physiological and social functions, among which an important analgesic effect. For this purpose, oxytocin binds mainly to its unique receptor, both in the central nervous system and in the peripheral nociceptive terminal axon in the skin. However, despite its interesting analgesic properties and its current use in clinics to facilitate labor, oxytocin is not used in pain treatment. Indeed, it is rapidly metabolized, with a half-life in the blood circulation estimated at five minutes and in cerebrospinal fluid around twenty minutes in humans and rats. Moreover, oxytocin itself suffers from several additional drawbacks: a lack of specificity, an extremely poor oral absorption and distribution, and finally, a lack of patentability. Recently, a first non-peptide full agonist of oxytocin receptor (LIT-001) of low molecular weight has been synthesized with reported beneficial effect for social interactions after peripheral administration. In the present study, we report that a single intraperitoneal administration of LIT-001 in a rat model induces a long-lasting reduction in inflammatory pain-induced hyperalgesia symptoms, paving the way to an original drug development strategy for pain treatment.
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Affiliation(s)
- Louis Hilfiger
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Qian Zhao
- Laboratoire d'Innovation Thérapeutique, Faculté de Pharmacie, UMR7200 CNRS/Université de Strasbourg, Illkirch, France
| | - Damien Kerspern
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Perrine Inquimbert
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Virginie Andry
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Yannick Goumon
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Pascal Darbon
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France
| | - Marcel Hibert
- Laboratoire d'Innovation Thérapeutique, Faculté de Pharmacie, UMR7200 CNRS/Université de Strasbourg, Illkirch, France
| | - Alexandre Charlet
- Centre National de la Recherche Scientifique and University of Strasbourg, UPR3212 Institute of Cellular and Integrative Neurosciences, Strasbourg, France.
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22
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Lussier D, Cruz-Almeida Y, Ebner NC. Musculoskeletal Pain and Brain Morphology: Oxytocin's Potential as a Treatment for Chronic Pain in Aging. Front Aging Neurosci 2019; 11:338. [PMID: 31920621 PMCID: PMC6923678 DOI: 10.3389/fnagi.2019.00338] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 11/22/2019] [Indexed: 11/13/2022] Open
Abstract
Chronic pain disproportionately affects older adults, severely impacting quality of life and independent living, with musculoskeletal pain most prevalent. Chronic musculoskeletal pain is associated with specific structural alterations in the brain and interindividual variability in brain structure is likely an important contributor to susceptibility for the development of chronic pain. However, understanding of age-related structural changes in the brain and their associations with chronic musculoskeletal pain is currently limited. Oxytocin (OT), a neuropeptide present in the periphery and central nervous system, has been implicated in pain attenuation. Variation of the endogenous OT system (e.g., OT receptor genotype, blood, saliva, and cerebrospinal fluid OT levels) is associated with morphology in brain regions involved in pain processing and modulation. Intranasal OT administration has been shown to attenuate pain. Yet, studies investigating the efficacy of OT for management of chronic musculoskeletal pain are lacking, including among older individuals who are particularly susceptible to the development of chronic musculoskeletal pain. The goal of this focused narrative review was to synthesize previously parallel lines of work on the relationships between chronic pain, brain morphology, and OT in the context of aging. Based on the existing evidence, we propose that research on the use of intranasal OT administration as an intervention for chronic pain in older adults is needed and constitutes a promising future direction for this field. The paper concludes with suggestions for future research in the emerging field, guided by our proposed Model of Oxytocin’s Anagelsic and Brain Structural Effects in Aging.
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Affiliation(s)
- Désirée Lussier
- Department of Psychology, University of Florida, Gainesville, FL, United States
| | - Yenisel Cruz-Almeida
- Pain Research and Intervention Center of Excellence, University of Florida, Gainesville, FL, United States.,Claude D. Pepper Older American Independence Center, Institute on Aging, University of Florida, Gainesville, FL, United States.,Department of Clinical and Health Psychology, Center for Cognitive Aging and Memory, University of Florida, Gainesville, FL, United States.,Department of Community Dentistry & Behavioral Science, College of Dentistry, University of Florida, Gainesville, FL, United States.,Departments of Aging & Geriatric Research, Epidemiology and Neuroscience, College of Medicine, University of Florida, Gainesville, FL, United States
| | - Natalie C Ebner
- Department of Psychology, University of Florida, Gainesville, FL, United States.,Pain Research and Intervention Center of Excellence, University of Florida, Gainesville, FL, United States.,Claude D. Pepper Older American Independence Center, Institute on Aging, University of Florida, Gainesville, FL, United States.,Department of Clinical and Health Psychology, Center for Cognitive Aging and Memory, University of Florida, Gainesville, FL, United States.,Department of Community Dentistry & Behavioral Science, College of Dentistry, University of Florida, Gainesville, FL, United States
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23
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Recurrent antinociception induced by intrathecal or peripheral oxytocin in a neuropathic pain rat model. Exp Brain Res 2019; 237:2995-3010. [DOI: 10.1007/s00221-019-05651-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 09/07/2019] [Indexed: 10/26/2022]
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24
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Zayas‐González H, González‐Hernández A, Manzano‐García A, Hernández‐Rivero D, García‐Cuevas MA, Granados‐Mortera JC, Vaca‐Aguirre L, Flores‐Fierro S, Martínez-Lorenzana G, Condés‐Lara M. Effect of local infiltration with oxytocin on hemodynamic response to surgical incision and postoperative pain in patients having open laparoscopic surgery under general anesthesia. Eur J Pain 2019; 23:1519-1526. [DOI: 10.1002/ejp.1427] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 04/09/2019] [Accepted: 05/15/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Hector Zayas‐González
- Departamento de Neurobiología del Desarrollo y Neurofisiología Instituto de Neurobiología, Universidad Nacional Autónoma de México Querétaro México
- Hospital Regional de Petróleos Mexicanos Salamanca México
| | - Abimael González‐Hernández
- Departamento de Neurobiología del Desarrollo y Neurofisiología Instituto de Neurobiología, Universidad Nacional Autónoma de México Querétaro México
| | - Alfredo Manzano‐García
- Departamento de Neurobiología del Desarrollo y Neurofisiología Instituto de Neurobiología, Universidad Nacional Autónoma de México Querétaro México
| | | | | | | | | | | | | | - Miguel Condés‐Lara
- Departamento de Neurobiología del Desarrollo y Neurofisiología Instituto de Neurobiología, Universidad Nacional Autónoma de México Querétaro México
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25
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Filippa M, Poisbeau P, Mairesse J, Monaci MG, Baud O, Hüppi P, Grandjean D, Kuhn P. Pain, Parental Involvement, and Oxytocin in the Neonatal Intensive Care Unit. Front Psychol 2019; 10:715. [PMID: 31001173 PMCID: PMC6454868 DOI: 10.3389/fpsyg.2019.00715] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 03/14/2019] [Indexed: 12/16/2022] Open
Abstract
Preterm infants (PTI) typically experience many painful and stressful procedures or events during their first weeks of life in a neonatal intensive care unit, and these can profoundly impact subsequent brain development and function. Several protective interventions during this sensitive period stimulate the oxytocin system, reduce pain and stress, and improve brain development. This review provides an overview of the environmental risk factors experienced by PTI during hospitalization, with a focus on the effects of pain, and early maternal separation. We also describe the long-term adverse effects of the simultaneous experiences of pain and maternal separation, and the potential beneficial effects of maternal vocalizations, parental contact, and several related processes, which appear to be mediated by the oxytocin system.
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Affiliation(s)
- Manuela Filippa
- Division of Development and Growth, Department of Paediatrics, Gynaecology and Obstetrics, University of Geneva, Geneva, Switzerland.,Neuroscience of Emotion and Affective Dynamics Laboratory, Department of Psychology and Educational Sciences, Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland.,Department of Social Sciences, University of Valle d'Aosta, Aosta, Italy
| | - Pierrick Poisbeau
- Centre National de la Recherche Scientifique, Institute for Cellular and Integrative Neurosciences, University of Strasbourg, Strasbourg, France
| | - Jérôme Mairesse
- INSERM U1141 Protect, Paris-Diderot University, Paris, France.,Division of Neonatology and Paediatric Intensive Care, Department of Paediatrics, Gynaecology and Obstetrics, Universtiy of Geneva, Geneva, Switzerland
| | | | - Olivier Baud
- INSERM U1141 Protect, Paris-Diderot University, Paris, France.,Division of Neonatology and Paediatric Intensive Care, Department of Paediatrics, Gynaecology and Obstetrics, Universtiy of Geneva, Geneva, Switzerland.,Service de Médecine et Réanimation Néonatale, Hôpital de Hautepierre, Centre Hospitalier Universitaire de Strasbourg, Strasbourg, France
| | - Petra Hüppi
- Division of Development and Growth, Department of Paediatrics, Gynaecology and Obstetrics, University of Geneva, Geneva, Switzerland.,Division of Neonatology and Paediatric Intensive Care, Department of Paediatrics, Gynaecology and Obstetrics, Universtiy of Geneva, Geneva, Switzerland
| | - Didier Grandjean
- Neuroscience of Emotion and Affective Dynamics Laboratory, Department of Psychology and Educational Sciences, Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
| | - Pierre Kuhn
- Centre National de la Recherche Scientifique, Institute for Cellular and Integrative Neurosciences, University of Strasbourg, Strasbourg, France.,Service de Médecine et Réanimation Néonatale, Hôpital de Hautepierre, Centre Hospitalier Universitaire de Strasbourg, Strasbourg, France
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26
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Onaka T, Takayanagi Y. Role of oxytocin in the control of stress and food intake. J Neuroendocrinol 2019; 31:e12700. [PMID: 30786104 PMCID: PMC7217012 DOI: 10.1111/jne.12700] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/12/2019] [Accepted: 02/15/2019] [Indexed: 12/20/2022]
Abstract
Oxytocin neurones in the hypothalamus are activated by stressful stimuli and food intake. The oxytocin receptor is located in various brain regions, including the sensory information-processing cerebral cortex; the cognitive information-processing prefrontal cortex; reward-related regions such as the ventral tegmental areas, nucleus accumbens and raphe nucleus; stress-related areas such as the amygdala, hippocampus, ventrolateral part of the ventromedial hypothalamus and ventrolateral periaqueductal gray; homeostasis-controlling hypothalamus; and the dorsal motor complex controlling intestinal functions. Oxytocin affects behavioural and neuroendocrine stress responses and terminates food intake by acting on the metabolic or nutritional homeostasis system, modulating emotional processing, reducing reward values of food intake, and facilitating sensory and cognitive processing via multiple brain regions. Oxytocin also plays a role in interactive actions between stress and food intake and contributes to adaptive active coping behaviours.
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Affiliation(s)
- Tatsushi Onaka
- Division of Brain and NeurophysiologyDepartment of PhysiologyJichi Medical UniversityShimotsuke‐shiJapan
| | - Yuki Takayanagi
- Division of Brain and NeurophysiologyDepartment of PhysiologyJichi Medical UniversityShimotsuke‐shiJapan
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27
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Béjar-Alonso J, Martínez-Lorenzana G, González-Hernández A, Cortes U, Condés-Lara M. Recurrent inhibition in the cerebral cortex. Neurosci Lett 2019; 696:20-27. [DOI: 10.1016/j.neulet.2018.12.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 11/14/2018] [Accepted: 12/09/2018] [Indexed: 11/16/2022]
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28
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Peripheral oxytocin restores light touch and nociceptor sensory afferents towards normal after nerve injury. Pain 2019; 160:1146-1155. [DOI: 10.1097/j.pain.0000000000001495] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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29
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Gómora-Arrati P, Gonzalez-Flores O, Galicia-Aguas YL, Hoffman KL, Komisaruk B. Copulation-induced antinociception in female rats is blocked by atosiban, an oxytocin receptor antagonist. Horm Behav 2019; 107:76-79. [PMID: 30529271 DOI: 10.1016/j.yhbeh.2018.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 11/20/2018] [Accepted: 12/04/2018] [Indexed: 02/08/2023]
Abstract
AIMS We hypothesized that copulation-induced temporary anti-nociception in female rats is mediated by the activation of central and/or peripheral oxytocin receptors. To test this hypothesis, we assessed the effects of intraperitoneal (ip), intrathecal (it), and intra-cerebroventricular (icv) administration of an oxytocin receptor antagonist (atosiban), on copulation-induced temporary anti-nociception in estrous rats. MAIN METHODS The treatment groups were ovariectomized rats pre-treated subcutaneously (sc) with 10 μg of estradiol benzoate (EB) followed 24 h later by an sc injection of 5 μg EB, and 4 h later, by an sc injection of 2 mg progesterone (P4). Rats were then administered saline vehicle (ip, it, or icv: control groups) or atosiban (500 μg/kg ip; 500 ng it; or 500 ng icv: experimental groups). Thirty minutes after drug or saline administration, their sexual behavior was tested by pairing with a sexually-experienced male rat. Brief pulse trains of 50 Hz, 300 ms duration, supra-threshold tail electrical shocks (STS) were delivered before and during copulatory activity i.e., while the female was receiving mounts, intromissions, or ejaculations, and we recorded whether vocalization occurred in response to each STS. KEY FINDINGS Replicating our previous findings, the vocalization response to STS in control rats was significantly attenuated during intromissions and ejaculations, compared to their baseline (pre-mating) response, indicative of anti-nociception. By contrast, rats pre-treated with atosiban (each route of administration) failed to show an attenuation of the vocalization response to shock. SIGNIFICANCE These findings provide evidence that the temporary anti-nociceptive effect of copulation in female rats is mediated by copulation-induced release of endogenous oxytocin in brain, spinal cord and periphery.
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Affiliation(s)
- Porfirio Gómora-Arrati
- Centro de Investigación en Reproducción Animal, Carlos Beyer, CINVESTAV-Universidad Autónoma de Tlaxcala, Panotla 90140, Apdo Postal 62, Mexico.
| | - Oscar Gonzalez-Flores
- Centro de Investigación en Reproducción Animal, Carlos Beyer, CINVESTAV-Universidad Autónoma de Tlaxcala, Panotla 90140, Apdo Postal 62, Mexico
| | - Yadira Leticia Galicia-Aguas
- Centro de Investigación en Reproducción Animal, Carlos Beyer, CINVESTAV-Universidad Autónoma de Tlaxcala, Panotla 90140, Apdo Postal 62, Mexico
| | - Kurt Leroy Hoffman
- Centro de Investigación en Reproducción Animal, Carlos Beyer, CINVESTAV-Universidad Autónoma de Tlaxcala, Panotla 90140, Apdo Postal 62, Mexico
| | - Barry Komisaruk
- Department of Psychology, Rutgers University, 101 Warren St., Newark, NJ 07102, USA
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30
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Intranasal oxytocin administration promotes emotional contagion and reduces aggression in a mouse model of callousness. Neuropharmacology 2018; 143:250-267. [DOI: 10.1016/j.neuropharm.2018.09.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 09/06/2018] [Accepted: 09/08/2018] [Indexed: 12/30/2022]
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31
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Gonzalez-Hernandez A, Charlet A. Oxytocin, GABA, and TRPV1, the Analgesic Triad? Front Mol Neurosci 2018; 11:398. [PMID: 30555298 PMCID: PMC6282058 DOI: 10.3389/fnmol.2018.00398] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 10/11/2018] [Indexed: 01/16/2023] Open
Affiliation(s)
- Abimael Gonzalez-Hernandez
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Queretaro, Mexico
| | - Alexandre Charlet
- Centre National de la Recherche Scientifique, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
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32
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Dussor G, Boyd JT, Akopian AN. Pituitary Hormones and Orofacial Pain. Front Integr Neurosci 2018; 12:42. [PMID: 30356882 PMCID: PMC6190856 DOI: 10.3389/fnint.2018.00042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/06/2018] [Indexed: 12/15/2022] Open
Abstract
Clinical and basic research on regulation of pituitary hormones, extra-pituitary release of these hormones, distribution of their receptors and cell signaling pathways recruited upon receptor binding suggests that pituitary hormones can regulate mechanisms of nociceptive transmission in multiple orofacial pain conditions. Moreover, many pituitary hormones either regulate glands that produce gonadal hormones (GnH) or are regulated by GnH. This implies that pituitary hormones may be involved in sex-dependent mechanisms of orofacial pain and could help explain why certain orofacial pain conditions are more prevalent in women than men. Overall, regulation of nociception by pituitary hormones is a relatively new and emerging area of pain research. The aims of this review article are to: (1) present an overview of clinical conditions leading to orofacial pain that are associated with alterations of serum pituitary hormone levels; (2) discuss proposed mechanisms of how pituitary hormones could regulate nociceptive transmission; and (3) outline how pituitary hormones could regulate nociception in a sex-specific fashion. Pituitary hormones are routinely used for hormonal replacement therapy, while both receptor antagonists and agonists are used to manage certain pathological conditions related to hormonal imbalance. Administration of these hormones may also have a place in the treatment of pain, including orofacial pain. Hence, understanding the involvement of pituitary hormones in orofacial pain, especially sex-dependent aspects of such pain, is essential to both optimize current therapies as well as provide novel and sex-specific pharmacology for a diversity of associated conditions.
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Affiliation(s)
- Gregory Dussor
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX, United States
| | - Jacob T Boyd
- Department of Cellular and Integrative Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
| | - Armen N Akopian
- Department of Endodontics, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States.,Department of Pharmcology, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
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Van Loey NE, Hofland HWC, Vlig M, Vandermeulen E, Rose T, Beelen RHJ, Ulrich MMW. Associations between traumatic stress symptoms, pain and bio-active components in burn wounds. Psychoneuroendocrinology 2018; 96:1-5. [PMID: 29864589 DOI: 10.1016/j.psyneuen.2018.05.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 05/29/2018] [Accepted: 05/29/2018] [Indexed: 10/16/2022]
Abstract
OBJECTIVE Pain and traumatic stress symptoms often co-occur. Evidence suggests that the neuropeptide oxytocine and pro-inflammatory cytokines are associated with both stress and pain. The aim of this pilot study was to explore relations between self-reported pain and traumatic stress, oxytocin and three cytokines in burn wounds. METHODS An observational study in three burn centres was performed. Patients were invited to participate in the study when deep dermal injury was suspected. Patients completed the Impact of Event Scale (IES), a self-report questionnaire assessing traumatic stress symptoms, and they rated their pain the day prior to surgery. During surgery, eschar (i.e., burned tissue) was collected and stored at -80 ° C until analysis. When the data collection was complete, oxytocin and cytokine levels were analysed. RESULTS Eschar from 53 patients was collected. Pain and stress scores were available from 42 and 36 patients respectively. Spearman correlational analyses showed an association between lower oxytocin levels at wound site and a higher total IES score (r = -0.37) and pain (r = -0.32). Mann-Whitney U tests comparing groups scoring high or low on pain or stress confirmed these associations. CONCLUSION These analyses lend support to a hormonal pathway that may explain how psychological distress affects pain at skin level in patients with traumatic stress symptoms.
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Affiliation(s)
- N E Van Loey
- Behavioral Research, Association of Dutch Burn Centers, P.O. Box 1015, Beverwijk, Netherlands; Clinical Psychology, Utrecht University, Utrecht, Netherlands.
| | - H W C Hofland
- Burn Center, Maasstad Hospital, Maasstadweg 21, 3079DZ Rotterdam, Netherlands.
| | - M Vlig
- Preclinical Research, Association of Dutch Burn Centers, P.O. Box 1015EA, Beverwijk, Netherlands.
| | - E Vandermeulen
- Burn Center, Queen Astrid Military Hospital, Bruynstraat 1, 1120 Brussels, Brussels, Belgium.
| | - T Rose
- Burn Center, Queen Astrid Military Hospital, Bruynstraat 1, 1120 Brussels, Brussels, Belgium.
| | - R H J Beelen
- Molecular Cell Biology and Immunology, VU University Medical Center, P.O. Box 7057, Amsterdam, Netherlands.
| | - M M W Ulrich
- Preclinical Research, Association of Dutch Burn Centers, P.O. Box 1015EA, Beverwijk, Netherlands; Plastic Reconstructive and Hand Surgery, VU University Medical Center, Amsterdam, Netherlands.
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Boll S, Almeida de Minas A, Raftogianni A, Herpertz S, Grinevich V. Oxytocin and Pain Perception: From Animal Models to Human Research. Neuroscience 2018; 387:149-161. [DOI: 10.1016/j.neuroscience.2017.09.041] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 09/14/2017] [Accepted: 09/24/2017] [Indexed: 11/24/2022]
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Grinevich V, Stoop R. Interplay between Oxytocin and Sensory Systems in the Orchestration of Socio-Emotional Behaviors. Neuron 2018; 99:887-904. [DOI: 10.1016/j.neuron.2018.07.016] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 07/02/2018] [Accepted: 07/10/2018] [Indexed: 01/01/2023]
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Schuh-Hofer S, Eichhorn N, Grinevich V, Treede RD. Sleep Deprivation Related Changes of Plasma Oxytocin in Males and Female Contraceptive Users Depend on Sex and Correlate Differentially With Anxiety and Pain Hypersensitivity. Front Behav Neurosci 2018; 12:161. [PMID: 30116181 PMCID: PMC6082934 DOI: 10.3389/fnbeh.2018.00161] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 07/09/2018] [Indexed: 02/05/2023] Open
Abstract
Disturbed sleep is known to substantially aggravate both the pain condition and the affective state of pain patients. The neurobiological mechanisms underlying these adverse effects are unknown. Oxytocin (OT), being largely involved in social and emotional behavior, is considered to also play a modulatory role in nociception. We hypothesized a pathophysiological role of OT for the hyperalgesic and anxiogenic effects of sleep loss. An established human model of one night of total sleep deprivation (TSD) was used to test this hypothesis. Twenty young healthy students (n = 10 male and n = 10 female) were investigated in a balanced cross-over design, contrasting TSD with a night of habitual sleep (HS). All females took monophasic oral contraceptives (OC) and were investigated during their ‘pill-free’ phase. Plasma OT concentrations were correlated with (1) pain thresholds, (2) descending pain inhibition, and (3) state-anxiety scores. Compared to the HS condition, the plasma OT concentration was significantly increased in sleep deprived females (p = 0.02) but not males (p = 0.69). TSD resulted in pain hypersensitivity to noxious cold (p = 0.05), noxious heat (p = 0.023), and pricking stimuli (p = 0.013) and significantly increased state-anxiety (p = 0.021). While, independent of sex, lower heat pain thresholds correlated with higher plasma OT (p = 0.036), no such associations were found for cold/mechanical pain. In sleep-deprived females, higher plasma OT showed a mild (but insignificant) association with lower pain inhibition (p = 0.093). We found a positive correlation between anxiety-scores and OT (p = 0.021), which was enhanced when respecting “sex” (p = 0.008) and “sleep” (p = 0.001) in a hierarchical regression analysis. Altogether, our study revealed a complex and partially sex-dependent correlation between plasma OT and TSD-induced changes of experimental pain and anxiety. The minor role of OT for TSD-induced changes of evoked pain, and its major involvement in anxiety, argues against a specific role of OT for linking the adverse effects of TSD on pain sensitivity and anxiety with each other. Future investigations are needed in order to dissect out the effect of OC on the sex-dependent effects of TSD observed in our study.
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Affiliation(s)
- Sigrid Schuh-Hofer
- Department of Neurophysiology, Centre of Biomedicine and Medical Technology Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Clinic for Neurology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Nicole Eichhorn
- Department of Neurophysiology, Centre of Biomedicine and Medical Technology Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Valery Grinevich
- Schaller Research Group on Neuropeptides, German Cancer Research Center, Heidelberg and Central Institute of Mental Health, Mannheim, Germany
| | - Rolf-Detlef Treede
- Department of Neurophysiology, Centre of Biomedicine and Medical Technology Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Wolfe M, Wisniewska H, Tariga H, Ibanez G, Collins JC, Wisniewski K, Qi S, Srinivasan K, Hargrove D, Lindstrom BF. Selective and non-selective OT receptor agonists induce different locomotor behaviors in male rats via central OT receptors and peripheral V1a receptors. Neuropeptides 2018; 70:64-75. [PMID: 29807652 DOI: 10.1016/j.npep.2018.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 05/18/2018] [Accepted: 05/19/2018] [Indexed: 10/16/2022]
Abstract
Oxytocin (OT) continues to inspire much research due to its diverse physiological effects. While the best-understood actions of OT are uterine contraction and milk ejection, OT is also implicated in maternal and bonding behaviors, and potentially in CNS disorders such as autism, schizophrenia, and pain. The dissection of the mechanism of action of OT is complicated by the fact that this peptide activates not only its cognate receptor but also vasopressin type 1a (V1a) receptors. In this study, we evaluated OT and a selective OT receptor (OTR) agonist, FE 204409, in an automated assay that measures rat locomotor activity. The results showed: 1) Subcutaneous (sc) administration of OT decreased locomotor behavior (distance traveled, stereotypy, and rearing). This effect was reversed by a V1a receptor (V1aR) antagonist ([Pmp1,Tyr(ME)2]AVP, sc), suggesting that OT acts through peripheral V1aR to inhibit locomotor activity. 2) A selective OTR agonist (FE 204409, sc) increased stereotypy. This effect was reversed by an OTR antagonist dosed icv, suggesting a central OTR site of action. Our findings identify distinct behavioral effects for OT and the selective agonist FE 204409, adding to the growing body of evidence that the V1aR mediates many effects attributed to OT and that peptides administered systemically at supra-physiological doses may activate receptors in the brain. Our studies further emphasize the importance of utilizing selective agonists and antagonists to assess therapeutic indications.
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Affiliation(s)
- Monica Wolfe
- Ferring Research Institute, Inc, San Diego, CA, United States
| | | | - Hiroe Tariga
- Ferring Research Institute, Inc, San Diego, CA, United States
| | - Gerardo Ibanez
- Ferring Research Institute, Inc, San Diego, CA, United States
| | - James C Collins
- Ferring Research Institute, Inc, San Diego, CA, United States
| | | | - Steve Qi
- Ferring Research Institute, Inc, San Diego, CA, United States
| | | | - Diane Hargrove
- Ferring Research Institute, Inc, San Diego, CA, United States
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Han RT, Kim HB, Kim YB, Choi K, Park GY, Lee PR, Lee J, Kim HY, Park CK, Kang Y, Oh SB, Na HS. Oxytocin produces thermal analgesia via vasopressin-1a receptor by modulating TRPV1 and potassium conductance in the dorsal root ganglion neurons. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2018. [PMID: 29520170 PMCID: PMC5840076 DOI: 10.4196/kjpp.2018.22.2.173] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recent studies have provided several lines of evidence that peripheral administration of oxytocin induces analgesia in human and rodents. However, the exact underlying mechanism of analgesia still remains elusive. In the present study, we aimed to identify which receptor could mediate the analgesic effect of intraperitoneal injection of oxytocin and its cellular mechanisms in thermal pain behavior. We found that oxytocin-induced analgesia could be reversed by d(CH2)5[Tyr(Me)2,Dab5] AVP, a vasopressin-1a (V1a) receptor antagonist, but not by desGly-NH2-d(CH2)5[DTyr2, Thr4]OVT, an oxytocin receptor antagonist. Single cell RT-PCR analysis revealed that V1a receptor, compared to oxytocin, vasopressin-1b and vasopressin-2 receptors, was more profoundly expressed in dorsal root ganglion (DRG) neurons and the expression of V1a receptor was predominant in transient receptor potential vanilloid 1 (TRPV1)-expressing DRG neurons. Fura-2 based calcium imaging experiments showed that capsaicin-induced calcium transient was significantly inhibited by oxytocin and that such inhibition was reversed by V1a receptor antagonist. Additionally, whole cell patch clamp recording demonstrated that oxytocin significantly increased potassium conductance via V1a receptor in DRG neurons. Taken together, our findings suggest that analgesic effects produced by peripheral administration of oxytocin were attributable to the activation of V1a receptor, resulting in reduction of TRPV1 activity and enhancement of potassium conductance in DRG neurons.
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Affiliation(s)
- Rafael Taeho Han
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
| | - Han-Byul Kim
- Department of Brain and Cognitive Sciences, College of Natural Sciences, Seoul National University, Seoul 03080, Korea
| | - Young-Beom Kim
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
| | - Kyungmin Choi
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
| | - Gi Yeon Park
- Dental Research Institute and Department of Neurobiology & Physiology, School of Dentistry, Seoul National University, Seoul 08826, Korea
| | - Pa Reum Lee
- Department of Brain and Cognitive Sciences, College of Natural Sciences, Seoul National University, Seoul 03080, Korea
| | - JaeHee Lee
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
| | - Hye Young Kim
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
| | - Chul-Kyu Park
- Department of Physiology, College of Medicine, Gachon University, Incheon 21936, Korea
| | - Youngnam Kang
- Department of Neuroscience and Oral Physiology, Osaka University Graduate School of Dentistry, Osaka 565-0871, Japan
| | - Seog Bae Oh
- Department of Brain and Cognitive Sciences, College of Natural Sciences, Seoul National University, Seoul 03080, Korea.,Dental Research Institute and Department of Neurobiology & Physiology, School of Dentistry, Seoul National University, Seoul 08826, Korea
| | - Heung Sik Na
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
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García-Boll E, Martínez-Lorenzana G, Condés-Lara M, González-Hernández A. Oxytocin inhibits the rat medullary dorsal horn Sp5c/C1 nociceptive transmission through OT but not V 1A receptors. Neuropharmacology 2017; 129:109-117. [PMID: 29169960 DOI: 10.1016/j.neuropharm.2017.11.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 10/16/2017] [Accepted: 11/17/2017] [Indexed: 02/05/2023]
Abstract
The medullary dorsal horn (MDH or Sp5c/C1 region) plays a key role modulating the nociceptive input arriving from craniofacial structures. Some reports suggest that oxytocin could play a role modulating the nociceptive input at the MDH level, but no study has properly tested this hypothesis. Using an electrophysiological and pharmacological approach, the present study aimed to determine the effect of oxytocin on the nociceptive signaling in the MDH and the receptor involved. In sevoflurane, anesthetized rats, we performed electrophysiological unitary recordings of second order neurons at the MDH region responding to peripheral nociceptive-evoked responses of the first branch (V1; ophthalmic) of the trigeminal nerve. Under this condition, we constructed dose-response curves analyzing the effect of local spinal oxytocin (0.2-20 nmol) on MDH nociceptive neuronal firing. Furthermore, we tested the role of oxytocin receptors (OTR) or vasopressin V1A receptors (V1AR) involved in the oxytocin effects. Oxytocin dose-dependently inhibits the peripheral-evoked activity in nociceptive MDH neurotransmission. This inhibition is associated with a blockade of neuronal activity of Aδ- and C-fibers. Since this antinociception was abolished by pretreatment (in the MDH) with the potent and selective OTR antagonist (L-368,899; 20 nmol) and remained unaffected after the V1AR antagonist (SR49059; 20 nmol or 200 nmol), the role of OTR is implied. This electrophysiological study demonstrates that oxytocin inhibits the peripheral-evoked neuronal activity at MDH, through OTR activation. Thus, OTR may represent a new potential drug target to treat craniofacial nociceptive dysfunction in the MDH.
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Affiliation(s)
- Enrique García-Boll
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Campus UNAM Juriquilla, Querétaro, QRO, 76230, Mexico
| | - Guadalupe Martínez-Lorenzana
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Campus UNAM Juriquilla, Querétaro, QRO, 76230, Mexico
| | - Miguel Condés-Lara
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Campus UNAM Juriquilla, Querétaro, QRO, 76230, Mexico
| | - Abimael González-Hernández
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Campus UNAM Juriquilla, Querétaro, QRO, 76230, Mexico.
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Manzano-García A, González-Hernández A, Tello-García IA, Martínez-Lorenzana G, Condés-Lara M. The role of peripheral vasopressin 1A and oxytocin receptors on the subcutaneous vasopressin antinociceptive effects. Eur J Pain 2017; 22:511-526. [PMID: 29082571 DOI: 10.1002/ejp.1134] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2017] [Indexed: 02/03/2023]
Abstract
BACKGROUND Vasopressin (AVP) seems to play a role as an antinociceptive neurohormone, but little is known about the peripheral site of action of its antinociceptive effects. Moreover, AVP can produce motor impairment that could be confused with behavioural antinociception. Finally, it is not clear which receptor is involved in the peripheral antinociceptive AVP effects. METHODS In anaesthetized rats with end-tidal CO2 monitoring, extracellular unitary recordings were performed, measuring the evoked activity mediated by Aβ-, Aδ-, C-fibres and post-discharge. Behavioural nociception and motor impairment were evaluated under subcutaneous AVP (0.1-10 μg) using formalin and rotarod tests. Selective antagonists to vasopressin (V1A R) or oxytocin receptors (OTR) were used. Additionally, vasopressin and oxytocin receptors were explored immunohistochemically in skin tissues. RESULTS Subcutaneous AVP (1 and 10 μg/paw) induced antinociception and a transitory reduction of the end-tidal CO2 . The neuronal activity associated with Aδ- and C-fibre activation was diminished, but no effect was observed on Aβ-fibres. AVP also reduced paw flinches in the formalin test and a transitory locomotor impairment was also found. The AVP-induced antinociception was blocked by the selective antagonist to V1A R (SR49059) or OTR (L368,899). Immunohistochemical evidence of skin VP and OT receptors is given. CONCLUSIONS Subcutaneous AVP produces antinociception and behavioural analgesia. Both V1a and OTR participate in those effects. Our findings suggest that antinociception could be produced in a local manner using a novel vasopressin receptor located in cutaneous sensorial fibres. Additionally, subcutaneous AVP also produces important systemic effects such as respiratory and locomotor impairment. SIGNIFICANCE Our findings support that AVP produces peripheral antinociception and behavioural analgesia in a local manner; nevertheless, systemic effects are also presented. Additionally, this is the first detailed electrophysiological analysis of AVP antinociceptive action after subcutaneous administration. The results are reasonably explained by the demonstration of V1A R and OTR in cutaneous fibres.
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Affiliation(s)
- A Manzano-García
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - A González-Hernández
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - I A Tello-García
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - G Martínez-Lorenzana
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - M Condés-Lara
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
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