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Lu J, Zhao XJ, Ruan Y, Liu XJ, Di X, Xu R, Wang JY, Qian MY, Jin HM, Li WJ, Shen X. Desloratadine ameliorates paclitaxel-induced peripheral neuropathy and hypersensitivity reactions in mice. Acta Pharmacol Sin 2024:10.1038/s41401-024-01301-z. [PMID: 38789495 DOI: 10.1038/s41401-024-01301-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/29/2024] [Indexed: 05/26/2024] Open
Abstract
Paclitaxel (PTX) serves as a primary chemotherapy agent against diverse solid tumors including breast cancer, lung cancer, head and neck cancer and ovarian cancer, having severe adverse effects including PTX-induced peripheral neuropathy (PIPN) and hypersensitivity reactions (HSR). A recommended anti-allergic agent diphenhydramine (DIP) has been used to alleviate PTX-induced HSR. Desloratadine (DLT) is a third generation of histamine H1 receptor antagonist, but also acted as a selective antagonist of 5HTR2A. In this study we investigated whether DLT ameliorated PIPN-like symptoms in mice and the underlying mechanisms. PIPN was induced in male mice by injection of PTX (4 mg/kg, i.p.) every other day for 4 times. The mice exhibited 50% reduction in mechanical threshold, paw thermal response latency and paw cold response latency compared with control mice. PIPN mice were treated with DLT (10, 20 mg/kg, i.p.) 30 min before each PTX administration in the phase of establishing PIPN mice model and then administered daily for 4 weeks after the model was established. We showed that DLT administration dose-dependently elevated the mechanical, thermal and cold pain thresholds in PIPN mice, whereas administration of DIP (10 mg/kg, i.p.) had no ameliorative effects on PIPN-like symptoms. We found that the expression of 5HTR2A was selectively elevated in the activated spinal astrocytes of PIPN mice. Spinal cord-specific 5HTR2A knockdown by intrathecal injection of AAV9-5Htr2a-shRNA significantly alleviated the mechanical hyperalgesia, thermal and cold hypersensitivity in PIPN mice, while administration of DLT (20 mg/kg) did not further ameliorate PIPN-like symptoms. We demonstrated that DLT administration alleviated dorsal root ganglion neuronal damage and suppressed sciatic nerve destruction, spinal neuron apoptosis and neuroinflammation in the spinal cord of PIPN mice. Furthermore, we revealed that DLT administration suppressed astrocytic neuroinflammation via the 5HTR2A/c-Fos/NLRP3 pathway and blocked astrocyte-neuron crosstalk by targeting 5HTR2A. We conclude that spinal 5HTR2A inhibition holds promise as a therapeutic approach for PIPN and we emphasize the potential of DLT as a dual-functional agent in ameliorating PTX-induced both PIPN and HSR in chemotherapy. In summary, we determined that spinal 5HTR2A was selectively activated in PIPN mice and DLT could ameliorate the PTX-induced both PIPN- and HSR-like pathologies in mice. DLT alleviated the damages of DRG neurons and sciatic nerves, while restrained spinal neuronal apoptosis and CGRP release in PIPN mice. The underlying mechanisms were intensively investigated by assay against the PIPN mice with 5HTR2A-specific knockdown in the spinal cord by injection of adeno-associated virus 9 (AAV9)-5Htr2a-shRNA. DLT inhibited astrocytic NLRP3 inflammasome activation-mediated spinal neuronal damage through 5HTR2A/c-FOS pathway. Our findings have supported that spinal 5HTR2A inhibition shows promise as a therapeutic strategy for PIPN and highlighted the potential advantage of DLT as a dual-functional agent in preventing against PTX-induced both PIPN and HSR effects in anticancer chemotherapy.
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Affiliation(s)
- Jian Lu
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xue-Jian Zhao
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yuan Ruan
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xiao-Jing Liu
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xuan Di
- School of Pharmacy, Experiment Center for Science and Technology, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Rui Xu
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jia-Ying Wang
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Min-Yi Qian
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Hong-Ming Jin
- School of Pharmacy, Experiment Center for Science and Technology, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Wen-Jun Li
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Xu Shen
- School of Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Starkl P, Jonsson G, Artner T, Turnes BL, Serhan N, Oliveira T, Gail LM, Stejskal K, Channon KM, Köcher T, Stary G, Klang V, Gaudenzio N, Knapp S, Woolf CJ, Penninger JM, Cronin SJ. Mast cell-derived BH4 is a critical mediator of postoperative pain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.24.525378. [PMID: 37293068 PMCID: PMC10245978 DOI: 10.1101/2023.01.24.525378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Postoperative pain affects most patients after major surgery and can transition to chronic pain. Here, we discovered that postoperative pain hypersensitivity correlated with markedly increased local levels of the metabolite BH4. Gene transcription and reporter mouse analyses after skin injury identified neutrophils, macrophages and mast cells as primary postoperative sources of GTP cyclohydrolase-1 (Gch1) expression, the rate-limiting enzyme in BH4 production. While specific Gch1 deficiency in neutrophils or macrophages had no effect, mice deficient in mast cells or mast cell-specific Gch1 showed drastically decreased postoperative pain after surgery. Skin injury induced the nociceptive neuropeptide substance P, which directly triggers the release of BH4-dependent serotonin in mouse and human mast cells. Substance P receptor blockade substantially ameliorated postoperative pain. Our findings underline the unique position of mast cells at the neuro-immune interface and highlight substance P-driven mast cell BH4 production as promising therapeutic targets for the treatment of postoperative pain.
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Affiliation(s)
- Philipp Starkl
- Research Division of Infection Biology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Gustav Jonsson
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
- Vienna BioCenter PhD Program, Doctoral School of the University of Vienna and Medical University of Vienna, Vienna, Austria
| | - Tyler Artner
- Research Division of Infection Biology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
- Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Bruna Lenfers Turnes
- Department of Neurobiology, Harvard Medical School, Boston, United States
- F.M. Kirby Neurobiology Research Center, Boston Children’s Hospital, Boston, United States, Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Nadine Serhan
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Inserm UMR1291 CNRS UMR5051, University of Toulouse III, Toulouse, France
| | - Tiago Oliveira
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
| | - Laura-Marie Gail
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
- LBI-RUD – Ludwig-Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria
- CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Karel Stejskal
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
| | - Keith M. Channon
- Radcliffe Department of, British Heart Foundation Centre of Research Excellence, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Thomas Köcher
- Vienna BioCenter Core Facilities (VBCF), 1030 Vienna, Austria
| | - Georg Stary
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
- LBI-RUD – Ludwig-Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria
- CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Victoria Klang
- Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
| | - Nicolas Gaudenzio
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity), Inserm UMR1291 CNRS UMR5051, University of Toulouse III, Toulouse, France
- Genoskin SAS, Toulouse, France
| | - Sylvia Knapp
- Research Division of Infection Biology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Clifford J. Woolf
- Department of Neurobiology, Harvard Medical School, Boston, United States
- F.M. Kirby Neurobiology Research Center, Boston Children’s Hospital, Boston, United States, Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Josef M. Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
- Department of Medical Genetics, Life Sciences Institute, University of British Columbia, Vancouver, Canada
| | - Shane J.F. Cronin
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria
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3
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Nascimento EB, Romero TRL, Dutra MMGB, Fiebich BL, Duarte IDG, Coelho MM. Role of peripheral 5-HT 1D, 5-HT 3 and 5-HT 7 receptors in the mechanical allodynia induced by serotonin in mice. Biomed Pharmacother 2021; 135:111210. [PMID: 33453675 DOI: 10.1016/j.biopha.2020.111210] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 11/30/2020] [Accepted: 12/26/2020] [Indexed: 01/06/2023] Open
Abstract
Serotonin (5-HT) acts as a neurotransmitter in the central nervous system (CNS) and as a mediator released by enterochromaffin cells to regulate intestinal motility. However, this amine also plays an important role as an inflammatory mediator and induces phenotypic changes of nociceptors. Despite the wide knowledge of the role of 5-HT in nociception, most studies have focused on its role in the CNS, while a clear information about its role in peripheral tissues is still lacking. In the present study, we investigated the role of peripheral 5-HT receptors in the nociceptive response induced by 5-HT or carrageenan in mice by using antagonists that target different 5-HT receptors. Mechanical nociceptive threshold was measured with an analgesimeter and evaluated after intraplantar (i.pl.) injection of 5-HT or carrageenan. 5-HT antagonists were injected via the i.pl. route. 5-HT (10, 20, 40 or 80 μg/paw) or carrageenan (100 μg/paw) induced mechanical allodynia. Pretreatment with isamoltane (5 μg; 5-HT1B antagonist) or ketanserine (1 μg; 5-HT2A antagonist) did not affect the mechanical allodynia induced by 5-HT. This response was inhibited by BRL 15572 (10 μg; 5-HT1D antagonist) or SB 269970 (25 μg; 5-HT7 antagonist). On the other hand, mechanical allodynia induced by 5-HT or carrageenan was exacerbated by ondansetron (10, 20 or 40 μg; 5-HT3 antagonist). The results indicate that activation of 5-HT1D and 5-HT7 receptors plays a role in the mechanical allodynia induced by 5-HT in mice. This study also demonstrates the inhibitory role of peripheral 5-HT3 receptors in the nociceptive response induced by 5-HT or carrageenan.
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Affiliation(s)
- Elias B Nascimento
- School of Medicine, Federal University of Delta do Parnaíba, Parnaíba, Brazil; Department of Pharmaceutical Products, School of Pharmacy, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, 31270-901, Belo Horizonte, Brazil.
| | - Thiago R L Romero
- Department of Pharmacology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Brazil
| | - Marcela M G B Dutra
- Department of Pharmaceutical Products, School of Pharmacy, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, 31270-901, Belo Horizonte, Brazil
| | - Bernd L Fiebich
- Neurochemistry and Neuroimmunology Research Group, Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, Hauptstrasse 5, 79104, Freiburg, Germany
| | - Igor D G Duarte
- Department of Pharmacology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, 31270-901 Belo Horizonte, Brazil
| | - Márcio M Coelho
- Department of Pharmaceutical Products, School of Pharmacy, Federal University of Minas Gerais, Avenida Antônio Carlos 6627, 31270-901, Belo Horizonte, Brazil
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Castellanos JP, Woolley C, Bruno KA, Zeidan F, Halberstadt A, Furnish T. Chronic pain and psychedelics: a review and proposed mechanism of action. Reg Anesth Pain Med 2020; 45:486-494. [DOI: 10.1136/rapm-2020-101273] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/01/2020] [Accepted: 04/06/2020] [Indexed: 12/22/2022]
Abstract
The development of chronic pain is a complex mechanism that is still not fully understood. Multiple somatic and visceral afferent pain signals, when experienced over time, cause a strengthening of certain neural circuitry through peripheral and central sensitization, resulting in the physical and emotional perceptual chronic pain experience. The mind-altering qualities of psychedelics have been attributed, through serotonin 2A (5-HT2A) receptor agonism, to ‘reset’ areas of functional connectivity (FC) in the brain that play prominent roles in many central neuropathic states. Psychedelic substances have a generally favorable safety profile, especially when compared with opioid analgesics. Clinical evidence to date for their use for chronic pain is limited; however, several studies and reports over the past 50 years have shown potential analgesic benefit in cancer pain, phantom limb pain and cluster headache. While the mechanisms by which the classic psychedelics may provide analgesia are not clear, several possibilities exist given the similarity between 5-HT2A activation pathways of psychedelics and the nociceptive modulation pathways in humans. Additionally, the alterations in FC seen with psychedelic use suggest a way that these agents could help reverse the changes in neural connections seen in chronic pain states. Given the current state of the opioid epidemic and limited efficacy of non-opioid analgesics, it is time to consider further research on psychedelics as analgesics in order to improve the lives of patients with chronic pain conditions.
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5
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Cortes-Altamirano JL, Olmos-Hernandez A, Jaime HB, Carrillo-Mora P, Bandala C, Reyes-Long S, Alfaro-Rodríguez A. Review: 5-HT1, 5-HT2, 5-HT3 and 5-HT7 Receptors and their Role in the Modulation of Pain Response in the Central Nervous System. Curr Neuropharmacol 2018; 16:210-221. [PMID: 28901281 PMCID: PMC5883380 DOI: 10.2174/1570159x15666170911121027] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 08/24/2017] [Accepted: 09/01/2017] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND The aim of this review was to identify the mechanisms by which serotonin receptors involved at the central level are able to modulate the nociceptive response. Pain is a defense mechanism of the body that entails physiological, anatomical, neurochemical, and psychological changes, and is defined as an unpleasant sensory and emotional experience with potential risk of tissue damage, comprising the leading cause of appointments with Physicians worldwide. Treatment for this symptom has generated several neuropharmacological lines of research, due to the different types of pain and the various drugs employed to treat this condition. Serotonin [5- HydroxyTryptamine (5-HT)] is a neurotransmitter with seven families (5-HT1-5-HT7) and approximately 15 receptor subtypes. Serotonin modulates neuronal activity; however, this neurotransmitter is related with a number of physiological processes, such as cardiovascular function, gastric motility, renal function, etc. On the other hand, several researches reported that serotonin modulates nociceptive response through 5-HT1, 5-HT2, 5-HT3, and 5-HT7 receptors in the Central Nervous System (CNS). METHOD In this review, a search was conducted on PubMed, ProQuest, EBSCO, and the Science Citation Index for studies evaluating the effects of 5-HT1, 5-HT2, 5-HT3, and 5-HT7 receptors in the CNS on the modulation of different types of pain. CONCLUSION We concluded that 5-HT1, 5-HT2, 5-HT3, and 5-HT7 receptors in the CNS modulate the pain, but this depends on the distribution of the receptors, dose of agonists or antagonists, administration route, pain type and duration in order to inhibit, excite, or even maintain the nociceptive response.
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Affiliation(s)
- Jose Luis Cortes-Altamirano
- PhD Program in Biological and Health Sciences, Universidad Autonoma Metropolitana Iztapalapa-Xochimilco- Cuajimalpa, Mexico, Calzada del Hueso 1100, Col. Villa Quietud, Mexico, D.F. 04960, Mexico
| | - Adriana Olmos-Hernandez
- Departament of Neurosciences, Instituto Nacional de Rehabilitacion, "Luis Guillermo Ibarra Ibarra", Secretaria de Salud, Col. Arenal de Guadalupe, Mexico, D.F. 14389, Mexico
| | - Herlinda Bonilla Jaime
- Departament of Reproductive Biology, Universidad Autonoma Metropolitana Campus Iztapalapa, Mexico, D.F. 09340, Mexico
| | - Paul Carrillo-Mora
- Departament of Neurosciences, Instituto Nacional de Rehabilitacion, "Luis Guillermo Ibarra Ibarra", Secretaria de Salud, Col. Arenal de Guadalupe, Mexico, D.F. 14389, Mexico
| | - Cindy Bandala
- Departament of Neurosciences, Instituto Nacional de Rehabilitacion, "Luis Guillermo Ibarra Ibarra", Secretaria de Salud, Col. Arenal de Guadalupe, Mexico, D.F. 14389, Mexico
| | - Samuel Reyes-Long
- Departament of Neurosciences, Instituto Nacional de Rehabilitacion, "Luis Guillermo Ibarra Ibarra", Secretaria de Salud, Col. Arenal de Guadalupe, Mexico, D.F. 14389, Mexico
| | - Alfonso Alfaro-Rodríguez
- Departament of Neurosciences, Instituto Nacional de Rehabilitacion, "Luis Guillermo Ibarra Ibarra", Secretaria de Salud, Col. Arenal de Guadalupe, Mexico, D.F. 14389, Mexico
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6
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Kleine SA, Budsberg SC. Synovial membrane receptors as therapeutic targets: A review of receptor localization, structure, and function. J Orthop Res 2017; 35:1589-1605. [PMID: 28374922 DOI: 10.1002/jor.23568] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 03/28/2017] [Indexed: 02/04/2023]
Abstract
Joint pathology and degeneration is a significant cause of pain. The synovial membrane plays an important role in maintenance of the joint, contributes to the pathology of many arthropathies and may be adversely affected in joint disease. Improving knowledge of the receptors present within the synovium will aid in a better understanding of joint pathology and the development of new treatments for diseases such as osteoarthritis and rheumatoid arthritis. Knowledge of the location and function of synovial membrane receptors (both in healthy and diseased synovium) may provide important targets in the treatment of various arthropathies. Classic pain receptors such as opioid receptors in the synovium are a mainstay in local and systemic management of chronic pain in many species. In addition to these, many other receptors such as bradykinin, neurokinin, transient receptor potential vanilloid, and inflammatory receptors, such as prostanoid and interleukin receptors have been discovered within the synovial membrane. These receptors are important in pain, inflammation, and in maintenance of normal joint function and may serve as targets for pharmacologic intervention in pathologic states. The goal of this review is to outline synovial membrane receptor localization and local therapeutic modulation of these receptors, in order to stimulate further research into pharmacological management of arthropathies at the local level. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1589-1605, 2017.
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Affiliation(s)
- Stephanie A Kleine
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, 2200 College Station Road, Athens 30602, Georgia
| | - Steven C Budsberg
- Department of Small Animal Medicine and Surgery, College of Veterinary Medicine, University of Georgia, 2200 College Station Road, Athens 30602, Georgia
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Dupuis A, Wattiez AS, Pinguet J, Richard D, Libert F, Chalus M, Aissouni Y, Sion B, Ardid D, Marin P, Eschalier A, Courteix C. Increasing spinal 5-HT 2A receptor responsiveness mediates anti-allodynic effect and potentiates fluoxetine efficacy in neuropathic rats. Evidence for GABA release. Pharmacol Res 2016; 118:93-103. [PMID: 27663259 DOI: 10.1016/j.phrs.2016.09.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Revised: 09/17/2016] [Accepted: 09/19/2016] [Indexed: 01/13/2023]
Abstract
Antidepressants are one of the first line treatments for neuropathic pain but their use is limited by the incidence and severity of side effects of tricyclics and the weak effectiveness of selective serotonin reuptake inhibitors (SSRIs). Serotonin type 2A (5-HT2A) receptors interact with PDZ proteins that regulate their functionality and SSRI efficacy to alleviate pain. We investigated whether an interfering peptide (TAT-2ASCV) disrupting the interaction between 5-HT2A receptors and associated PDZ proteins would improve the treatment of traumatic neuropathic allodynia. Tactile allodynia was assessed in spinal nerve ligation-induced neuropathic pain in rats using von Frey filaments after acute treatment with TAT-2ASCV and/or 5-HT2A receptor agonist, alone or in combination with repeated treatment with fluoxetine. In vivo microdialysis was performed in order to examine the involvement of GABA in TAT-2ASCV/fluoxetine treatment-associated analgesia. TAT-2ASCV (100ng, single i.t. injection) improved SNL-induced tactile allodynia by increasing 5-HT2A receptor responsiveness to endogenous 5-HT. Fluoxetine alone (10mg/kg, five i.p. injections) slightly increased tactile thresholds and its co-administration with TAT-2ASCV (100ng, single i.t. injection) further enhanced the anti-allodynic effect. This effect depends on the integrity of descending serotonergic bulbospinal pathways and spinal release of GABA. The anti-allodynic effect of fluoxetine can be enhanced by disrupting 5-HT2A receptor-PDZ protein interactions. This enhancement depends on 5-HT2A receptor activation, spinal GABA release and GABAA receptor activation.
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Affiliation(s)
- Amandine Dupuis
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Anne-Sophie Wattiez
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Jérémy Pinguet
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France; CHU Clermont-Ferrand, Service de Pharmacologie, Clermont-Ferrand, France
| | - Damien Richard
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France; CHU Clermont-Ferrand, Service de Pharmacologie, Clermont-Ferrand, France
| | - Frédéric Libert
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France; CHU Clermont-Ferrand, Service de Pharmacologie, Clermont-Ferrand, France
| | - Maryse Chalus
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Youssef Aissouni
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Benoit Sion
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Denis Ardid
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France
| | - Philippe Marin
- Institut de Génomique Fonctionnelle, CNRS, UMR 5203, INSERM U1191, Université de Montpellier, F-34094 Montpellier Cedex 5, France
| | - Alain Eschalier
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France; CHU Clermont-Ferrand, Service de Pharmacologie, Clermont-Ferrand, France
| | - Christine Courteix
- INSERM, U 1107, Neuro-Dol, F-63001 Clermont-Ferrand, France; Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, BP 10448, F-63000 Clermont-Ferrand, France.
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Hu W, Zhang Y, Cai Q, Wang D, Hong Y. Blockade of 5-HT 2A receptors at the site of inflammation inhibits activation of spinal dorsal horn neurons in rats. Brain Res Bull 2016; 124:85-94. [DOI: 10.1016/j.brainresbull.2016.03.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 03/29/2016] [Accepted: 03/30/2016] [Indexed: 02/02/2023]
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9
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Wang D, Zhou X, Hong Y. Effects of a combination of ketanserin and propranolol on inflammatory hyperalgesia in rats. Eur J Pharmacol 2013; 721:126-32. [DOI: 10.1016/j.ejphar.2013.09.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 08/27/2013] [Accepted: 09/06/2013] [Indexed: 11/29/2022]
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10
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Yasuda M, Kido K, Ohtani N, Masaki E. Mast cell stabilization promotes antinociceptive effects in a mouse model of postoperative pain. J Pain Res 2013; 6:161-6. [PMID: 23503682 PMCID: PMC3594917 DOI: 10.2147/jpr.s41527] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Nerve injury and consequent inflammatory responses produced by surgical incision result in a complicated pain status which still affects half of all surgical patients. Therefore, it is essential for anesthesiologists to identify the mechanisms of postoperative pain. Mast cells are resident cells of connective tissue and the mucosa that participate in the immune response. Degranulation of mast cells is involved in the development of postoperative pain and can be induced by surgical incision. The aim of this study was to investigate whether stabilization of mast cells causes an antinociceptive effect in a mouse model of postoperative pain. METHODS Postoperative pain was induced by making an incision in the hind paw of BALB/c mice. The mast cell membrane stabilizer cromoglycate (200 μg/20 μL) was injected before incision of the paw, and postoperative pain responses were measured by assessing guarding behavior, withdrawal threshold to mechanical stimuli, and latency of heat pain behavior 1, 2, and 7 days after the incision. RESULTS The incision produced guarding pain, mechanical allodynia, and heat hypersensitivity. Cromoglycate decreased the guarding pain score (day 1) and the withdrawal threshold to mechanical stimuli (days 1, 2, and 7). However, the withdrawal latency to heat was not affected by cromoglycate treatment. CONCLUSION Cromoglycate significantly attenuated the pain response expressed as guarding pain and mechanical allodynia in a mouse model of postoperative pain. Thus, mast cell activation is likely a mechanism of postoperative pain and is an interesting target for the development of new therapies.
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Affiliation(s)
- Makoto Yasuda
- Department of Dental Anesthesiology and Pain Management, Tohoku University Hospital, Sendai, Japan
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11
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Role of peripheral and spinal 5-HT2B receptors in formalin-induced nociception. Pharmacol Biochem Behav 2012; 102:30-5. [PMID: 22476011 DOI: 10.1016/j.pbb.2012.03.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 03/05/2012] [Accepted: 03/17/2012] [Indexed: 12/13/2022]
Abstract
In this study we assessed the role of local peripheral and spinal serotonin 2B (5-HT(2B)) receptors in rats submitted to the formalin test. For this, local peripheral ipsilateral, but not contralateral, administration of the highly selective 5-HT(2B) receptor antagonist 2-amino-4-(4-fluoronaphth-1-yl)-6-isopropylpyridine (RS-127445, 0.01-1 nmol/paw) significantly prevented 1% formalin-induced flinching behavior. Moreover, local peripheral ipsilateral, but not contralateral, of the selective 5-HT(2) receptor agonist (±)-2,5-dimethoxy-4-iodoamphetamine hydrochloride (DOI, 1-10 nmol/paw) augmented 0.5% formalin-induced nociceptive behavior. The local pronociceptive effect of the 5-HT(2) receptor agonist DOI (10 nmol/paw) was significantly prevented by the local injection of RS-127445 (0.01 nmol/paw). Moreover, intrathecal injection of the selective 5-HT(2B) receptor antagonist RS-127445 (0.1-10 nmol/rat) also prevented 1% formalin-induced nociceptive behavior. In contrast, spinal injection of the 5-HT(2) receptor agonist DOI (1-10 nmol/rat) significantly increased flinching behavior induced by 0.5% formalin. The spinal pronociceptive effect of the 5-HT(2) receptor agonist DOI (10 nmol/rat) was prevented by the intrathecal injection of the 5-HT(2B) receptor antagonist RS-127445 (0.1 nmol/rat). Our results suggest that the 5-HT(2B) receptors play a pronociceptive role in peripheral as well as spinal sites in the rat formalin test. 5-HT(2B) receptors could be a target to develop analgesic drugs.
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12
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The nociceptive mechanism of 5-hydroxytryptamine released into the peripheral tissue in acute inflammatory pain in rats. Eur J Pain 2012; 13:441-7. [DOI: 10.1016/j.ejpain.2008.06.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2008] [Revised: 05/29/2008] [Accepted: 06/12/2008] [Indexed: 11/20/2022]
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13
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Oliveira SM, Drewes CC, Silva CR, Trevisan G, Boschen SL, Moreira CG, de Almeida Cabrini D, Da Cunha C, Ferreira J. Involvement of mast cells in a mouse model of postoperative pain. Eur J Pharmacol 2011; 672:88-95. [PMID: 22004612 DOI: 10.1016/j.ejphar.2011.10.001] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 09/27/2011] [Accepted: 10/02/2011] [Indexed: 11/19/2022]
Abstract
Recent studies have indicated that nearly half of all surgical patients still have inadequate pain relief; therefore, it is becoming increasingly more important to understand the mechanisms involved in postoperative pain in order to be better treated. Previous studies have shown that incisions can cause mast cell degranulation. Thus, the aim of this study was to investigate the involvement of mast cells in a model of postoperative pain in mice. The depletion of mast cell mediators produced by pre-treatment with compound 48/80 (intraplantar (i.pl.)) widely (98 ± 23% of inhibition) and extensively (up to 96 h) prevented postoperative nociception and reduced histamine and serotonin levels (88 ± 4% and 68 ± 10%, respectively) in operated tissue. Furthermore, plantar surgery produced immense mast cell degranulation, as assessed by histology and confirmed by the increased levels of serotonin (three-fold higher) and histamine (fifteen-fold higher) in the perfused tissue, 1h after surgery. Accordingly, pre-treatment with the mast cell membrane stabilizer cromoglycate (200 μg/paw, i.pl.) prevented mechanical allodynia (inhibition of 96 ± 21%) and an increase in histamine (44 ± 10% of inhibition) and serotonin (73 ± 5% of inhibition) levels induced by plantar surgery. Finally, local treatment with H(1) (promethazine, 100 μg/paw, i.pl.), 5-HT(3) (ondansetron, 10 μg/paw, i.pl.) or 5-HT(2A) (ketanserin, 5 μg/paw, i.pl.) receptor antagonists partially decreased postoperative nociception in mice, but when co-administered together it completely reversed the mechanical allodynia in operated mice. Thus, mast cell activation mechanisms are interesting targets for the development of novel therapies to treat postoperative pain.
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Affiliation(s)
- Sara Marchesan Oliveira
- Programa de Pós-graduação em Ciências Biológicas, Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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14
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Nascimento EB, Seniuk JGT, Godin AM, Ferreira WC, Dutra MB, Oliveira ACP, Bastos LF, Fiebich BL, Coelho MM. Peripheral 5-HT1B and 5-HT2A receptors mediate the nociceptive response induced by 5-hydroxytryptamine in mice. Pharmacol Biochem Behav 2011; 99:598-603. [DOI: 10.1016/j.pbb.2011.06.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 06/06/2011] [Accepted: 06/09/2011] [Indexed: 11/25/2022]
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15
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Kim GH, Yeom M, Yin CS, Lee H, Shim I, Hong MS, Kim CJ, Hahm DH. Acupuncture manipulation enhances anti-nociceptive effect on formalin-induced pain in rats. Neurol Res 2010; 32 Suppl 1:92-5. [PMID: 20034454 DOI: 10.1179/016164109x12537002794327] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
OBJECTIVES In order to apply appropriate acupuncture stimulation, different needle manipulation techniques are required. These manipulations are performed in many ways such as twirling the needle, varying the insertion angle, etc. The present study was designed to evaluate the antinociceptive effect of these manipulations to the acupuncture point ST36 on formalin-induced pain in rats. METHODS Animals were divided into four groups: non-treated control (CON), acupuncture without manipulation (AT), acupuncture with twirling manipulation (TM) and acupuncture with lifting-thrusting manipulation (LM) group. Level of pain was measured in formalin-injected rats in the early (0-10 minutes) and the late (10-60 minutes) phase. Several pain-related gene expressions were investigated in the spinal cord using reverse transcriptase-polymerase chain reaction analysis. RESULTS Formalin-induced pain was significantly reduced in the TM and the LM groups, compared with the CON and the AT groups. TM was more effective than LM in both phases. Needle manipulation was also effective in suppressing the mRNA expression of pain-related genes such as Fos, opioid receptor-like 1, tachykinin 1, tachykinin receptor 1, mu-opioid receptor and 5-hydroxytryptamine receptor 2A in the spinal cord. DISCUSSION The TM and the LM groups showed enhanced analgesia, compared with the AT group. This effect might be related to the suppression of the transcription of pain-related genes.
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Affiliation(s)
- Gun Ho Kim
- Acupuncture and Meridian Science Research Center, Kyung Hee University, Seoul 130-701, Korea
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16
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17
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Huang J, Cai Q, Chen Y, Hong Y. Treatment with ketanserin produces opioid-mediated hypoalgesia in the late phase of carrageenan-induced inflammatory hyperalgesia in rats. Brain Res 2009; 1303:39-47. [PMID: 19782054 DOI: 10.1016/j.brainres.2009.09.072] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 09/16/2009] [Accepted: 09/17/2009] [Indexed: 11/26/2022]
Abstract
Both pro-nociceptive and antinociceptive mediators are released in the tissues during inflammation. Balance of these two types of mediators determines the induction and maintenance of pain or hypernociception. This study was designed to explore whether 5-HT(2A) receptors in the periphery contributed to the maintenance of carrageenan-evoked hyperalgesia. Intraplantar (i.pl.) injection of carrageenan evoked hyperalgesia detected by noxious heat stimulus. The 5-HT(2A) receptor antagonist ketanserin administered i.pl. 1 h after carrageenan dose-dependently (2-20 microg) prolonged paw withdrawal latency (PWL) during the late phase (24 h) of carrageenan-evoked inflammation. Following treatments with carrageenan and ketanserin, i.pl. injection of formalin (1%) produced significantly fewer nocifensive behaviors and expression of c-Fos protein in the spinal dorsal horn, confirming the hypoalgesic status in the inflamed site. However, injection of ketanserin in naive site failed to produce hypoalgesia. The hypoalgesia was completely abolished by local or systemic injection of naloxone methiodide. The present study suggests that 5-HT(2A) receptors were involved in the maintenance of inflammatory pain, and that 5-HT suppressed inflammation-associated endogenous opioid analgesia contributing to its pro-nociceptive actions in the periphery. It implied a possible therapeutic benefit of blockade of local 5-HT(2A) receptors in the treatment of inflammatory pain.
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Affiliation(s)
- Jian Huang
- Key Provincial Laboratory of Developmental and Neurological Biology, College of Life Sciences, Fujian Normal University, Fuzhou 350108, People's Republic of China
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18
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Van Steenwinckel J, Noghero A, Thibault K, Brisorgueil MJ, Fischer J, Conrath M. The 5-HT2A receptor is mainly expressed in nociceptive sensory neurons in rat lumbar dorsal root ganglia. Neuroscience 2009; 161:838-46. [DOI: 10.1016/j.neuroscience.2009.03.087] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2008] [Revised: 03/25/2009] [Accepted: 03/30/2009] [Indexed: 11/25/2022]
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19
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Serotonin 5-HT2A receptor involvement and Fos expression at the spinal level in vincristine-induced neuropathy in the rat. Pain 2008; 140:305-322. [DOI: 10.1016/j.pain.2008.09.006] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 07/30/2008] [Accepted: 09/03/2008] [Indexed: 11/22/2022]
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20
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Van Steenwinckel J, Brisorgueil MJ, Fischer J, Vergé D, Gingrich JA, Bourgoin S, Hamon M, Bernard R, Conrath M. Role of spinal serotonin 5-HT2A receptor in 2',3'-dideoxycytidine-induced neuropathic pain in the rat and the mouse. Pain 2007; 137:66-80. [PMID: 17888573 DOI: 10.1016/j.pain.2007.08.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2007] [Revised: 07/07/2007] [Accepted: 08/13/2007] [Indexed: 12/19/2022]
Abstract
Several lines of evidence suggest that descending serotoninergic facilitatory pathways are involved in neuropathic pain. These pathways may involve 5-HT2A receptors known to play a role in spinal and peripheral sensitization. The implication of this receptor in neuropathy was investigated in a model of peripheral neuropathy induced by 2',3'-dideoxycytidine, a nucleoside analogue with reverse transcriptase inhibitory properties used in HIV/AIDS therapy. Four days after a single 100mg/kg i.v. administration in the tail vein, mitochondrial alterations in nociceptive and non-nociceptive dorsal root ganglion cells were observed at the lumbar level. These alterations were not associated with TUNEL labelling or with modification of the total number of dorsal root ganglion cells. At the same time point, 5-HT2A receptor immunolabelling was increased throughout the dorsal horn (by 49.5% in layer II and 57.8% in layer III). The number of 5-HT2A receptor immunoreactive neurons in the dorsal root ganglion was also increased by 30.7%. Four days after 2',3'-dideoxycytidine administration, rats had developed thermal allodynia as well as mechanical hyperalgesia and allodynia, which dose-dependently decreased after epidural injection of MDL 11,939, a 5-HT2A receptor antagonist. Moreover, 5-HT2A receptor knock-out mice did not develop 2',3'-dideoxycytidine-induced neuropathy whereas their control littermates displayed a neuropathy comparable to that observed in rats. Our data show that 2',3'-dideoxycytidine-induced neuropathy is associated with alterations of nociceptive and non-nociceptive peripheral cells and that the 5-HT2A receptor is involved in the peripheral sensitization of nociceptors as well as in a wide central sensitization of dorsal horn neurons.
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MESH Headings
- Animals
- Ganglia, Spinal/drug effects
- Ganglia, Spinal/physiology
- Male
- Mice
- Mice, Knockout
- Neuralgia/chemically induced
- Neuralgia/genetics
- Neuralgia/physiopathology
- Nociceptors/physiology
- Peripheral Nervous System Diseases/metabolism
- Peripheral Nervous System Diseases/pathology
- Peripheral Nervous System Diseases/physiopathology
- Rats
- Rats, Wistar
- Receptor, Serotonin, 5-HT2A/deficiency
- Receptor, Serotonin, 5-HT2A/genetics
- Receptor, Serotonin, 5-HT2A/physiology
- Species Specificity
- Spinal Cord/drug effects
- Spinal Cord/physiology
- Zalcitabine/toxicity
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Affiliation(s)
- Juliette Van Steenwinckel
- Neurobiologie des Signaux Intercellulaires, CNRS, UMR 7101, Université Pierre et Marie Curie, 7 Quai St Bernard, 75252 Paris cedex 05, France INSERM UMR 677, Université Pierre et Marie Curie-Paris 6, Faculté de Médecine, site Pitié-Salpêtrière, 91 boulevard de l'Hôpital, 75634 Paris cedex 13, France Department of Psychiatry, Columbia University, New York, NY 10032, USA
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21
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Cai M, Chen T, Quirion R, Hong Y. The involvement of spinal bovine adrenal medulla 22-like peptide, the proenkephalin derivative, in modulation of nociceptive processing. Eur J Neurosci 2007; 26:1128-38. [PMID: 17767492 DOI: 10.1111/j.1460-9568.2007.05755.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Bovine adrenal medulla 22 (BAM22), one of the cleavage products of proenkephalin A, possesses high affinity for opioid receptors and sensory neuron-specific receptor (SNSR). The present study was designed to examine the expression of BAM22 in the spinal cord and dorsal root ganglion (DRG) of naive rats as well as in a model of inflammation. BAM22-like immunoreactivity (BAM22-IR) was expressed in fibers in the spinal cord, with high density seen in lamina I in naïve rats. The expression of BAM22-IR in the superficial laminae was greatly reduced following dorsal rhizotomy. BAM22-IR was also located in 19% of DRG cells, mainly in the small- and medium-sized subpopulations. Following injection of complete Freund's adjuvant (CFA) in the hindpaw, the expression of BAM22-IR in the superficial laminae of the spinal cord and small-sized DRG neurons on the ipsilateral side was markedly increased. Double labeling showed that the Fos-positive nucleus was surrounded by BAM22-IR cytoplasm in the spinal dorsal horn neurons or closely associated with BAM22-IR fibers in the superficial laminae. Furthermore, CFA-induced mechanical allodynia in the inflamed paw was potentiated by intrathecal administration of anti-BAM22 antibody. Together, these results demonstrate for the first time that BAM22-like peptide is mainly located in the superficial laminae of the spinal cord and mostly originates from nociceptive DRG neurons. BAM22 could thus act as a ligand for presynaptic opioid receptors and SNSR. Our study also provides evidence suggesting that BAM22 plays a role in the modulation of nociceptive processing at the spinal level under normal and inflammatory conditions.
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Affiliation(s)
- Meifang Cai
- Key Provincial Laboratory of Developmental Biology and Neuroscience, College of Life Sciences, Fujian Normal University, Fuzhou, People's Republic of China, 350108
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22
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Zhang XC, Strassman AM, Burstein R, Levy D. Sensitization and Activation of Intracranial Meningeal Nociceptors by Mast Cell Mediators. J Pharmacol Exp Ther 2007; 322:806-12. [PMID: 17483291 DOI: 10.1124/jpet.107.123745] [Citation(s) in RCA: 116] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Intracranial headaches such as migraine are thought to result from activation of sensory trigeminal pain neurons that supply intracranial blood vessels and the meninges, also known as meningeal nociceptors. Although the mechanism underlying the triggering of such activation is not completely understood, our previous work indicates that the local activation of the inflammatory dural mast cells can provoke a persistent sensitization of meningeal nociceptors. Given the potential importance of mast cells to the pain of migraine it is important to understand which mast cell-derived mediators interact with meningeal nociceptors to promote their activation and sensitization. In the present study, we have used in vivo electrophysiological single-unit recording of meningeal nociceptors in the trigeminal ganglion of anesthetized rats to examine the effect of a number of mast cell mediators on the activity level and mechanosensitivity of meningeal nociceptors. We have found that that serotonin (5-HT), prostaglandin I(2) (PGI(2)), and to a lesser extent histamine can promote a robust sensitization and activation of meningeal nociceptors, whereas the inflammatory eicosanoids PGD(2) and leukotriene C(4) are largely ineffective. We propose that dural mast cells could promote headache by releasing 5-HT, PGI(2), and histamine.
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Affiliation(s)
- Xi-Chun Zhang
- Headache Research Laboratory, Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Institutes of Medicine, Room 856, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
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23
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Kayser V, Elfassi IE, Aubel B, Melfort M, Julius D, Gingrich JA, Hamon M, Bourgoin S. Mechanical, thermal and formalin-induced nociception is differentially altered in 5-HT1A-/-, 5-HT1B-/-, 5-HT2A-/-, 5-HT3A-/- and 5-HTT-/- knock-out male mice. Pain 2007; 130:235-248. [PMID: 17250964 DOI: 10.1016/j.pain.2006.11.015] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2005] [Revised: 11/07/2006] [Accepted: 11/29/2006] [Indexed: 12/11/2022]
Abstract
Extensive studies in rodents suggest that serotonin (5-HT) modulates nociceptive responses through the stimulation of several receptor types. However, it remains to demonstrate that these receptors participate in the control of nociception under physiological conditions. Pain behaviors of mutants which do not express 5-HT1A, 5-HT1B, 5-HT2A or 5-HT3A receptors, or lacking the 5-HT transporter, compared to paired wild-type mice of the same genetic background, were examined using validated tests based on different sensory modalities. Mechanical (von Frey filaments, tail pressure, tail clip tests), thermal (radiant heat, 46 degrees C water bath, hot-plate test) and formalin-induced nociception were determined in 2- to 3-month-old males. 5-HT1A knock-out mice differed from wild-types by higher thermal sensitivity (hot-plate test only), and 5-HT1B knock-out mice by higher thermal and formalin sensitivity. Both 5-HT2A and 5-HT3A knock-out mice differed from wild-types by a dramatic decrease in the formalin-induced nociceptive responses for phase II (16-45 min after injection/inflammatory phase). In contrast, neither mechanical, thermal nor formalin-induced nociception differed between mutants lacking the 5-HT transporter and paired wild-type mice. Although differences in spontaneous locomotor activity in 5-HT1B-/- (increase) and 5-HT3A-/- (decrease) knock-out mice versus paired wild-types might have confounded differences in nociception, acute 5-HT receptor blockade by selective antagonists was found to replicate in wild-type mice the effects on pain behavior, but not on locomotor activity, of the respective gene knock-out in mutants. These results support the conclusion that the complex control of pain mechanisms by 5-HT, acting at multiple receptors, is physiologically relevant in mice.
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MESH Headings
- Animals
- Fluorobenzenes/pharmacology
- Granisetron/pharmacology
- Hindlimb
- Hot Temperature
- Male
- Mice
- Mice, Knockout
- Motor Activity
- Nociceptors/physiology
- Pain Measurement
- Physical Stimulation
- Piperazines/pharmacology
- Piperidines/pharmacology
- Pyridines/pharmacology
- Receptor, Serotonin, 5-HT1A/genetics
- Receptor, Serotonin, 5-HT1A/metabolism
- Receptor, Serotonin, 5-HT2A/genetics
- Receptor, Serotonin, 5-HT2A/metabolism
- Receptors, Serotonin/genetics
- Receptors, Serotonin/metabolism
- Receptors, Serotonin, 5-HT3/genetics
- Receptors, Serotonin, 5-HT3/metabolism
- Serotonin 5-HT1 Receptor Antagonists
- Serotonin 5-HT2 Receptor Antagonists
- Serotonin 5-HT3 Receptor Antagonists
- Serotonin Antagonists/pharmacology
- Serotonin Plasma Membrane Transport Proteins/genetics
- Serotonin Plasma Membrane Transport Proteins/metabolism
- Skin Temperature
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Affiliation(s)
- Valérie Kayser
- University Pierre et Marie Curie-Paris 6, Faculté de Médecine Pierre et Marie Curie, Site Pitié-Salpétrière, IFR 70 des Neurosciences, UMR S677, Paris, F-75013, France INSERM, U677, Paris F-75013, France Department of Cellular and Molecular Pharmacology, University of California, San Francisco, CA 94143, USA Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York 10032, USA
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Berrocal YA, Pearse DD, Andrade CM, Hechtman JF, Puentes R, Eaton MJ. Increased spinal c-Fos expression with noxious and non-noxious peripheral stimulation after severe spinal contusion. Neurosci Lett 2006; 413:58-62. [PMID: 17161529 DOI: 10.1016/j.neulet.2006.11.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2006] [Revised: 11/13/2006] [Accepted: 11/13/2006] [Indexed: 11/20/2022]
Abstract
The effects of severe contusive spinal cord injury (SCI), at thoracic level 8 (T8), on lumbar c-Fos expression in the spinal cord was investigated. As hypothesized, chronic SCI has a significant effect on expression of c-Fos in the dorsal spinal sensory areas with noxious and innocuous peripheral stimulation of the sciatic nerve. This alteration to stimulation effects was measured using counts of c-Fos immunoreactive cells in the dorsal horn of the L5 lumbar spinal cord in injured animals at 90 days post-injury and in uninjured controls. The number of c-Fos immunoreactive cells increased in SCI rats only after noxious peripheral stimulation (electrical and chemical) suggesting a general increase in excitability in spinal pathways (central sensitization) associated with chronic SCI. These altered responses may represent a functional anatomical reorganization of spinal cord circuitry leading to increased dorsal horn c-Fos expression as a response to severe chronic contusive damage to the spinal cord sensory pathways.
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Affiliation(s)
- Y A Berrocal
- The Miami Project to Cure Paralysis, Miami, FL 33136, United States
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25
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Okamoto K, Kimura A, Donishi T, Imbe H, Nishie Y, Matsushita H, Tamai Y, Senba E. Contribution of peripheral 5-HT2A or 5-HT3 receptors to Fos expression in the trigeminal spinal nucleus produced by acute injury to the masseter muscle during persistent temporomandibular joint inflammation in rats. Neuroscience 2006; 143:597-606. [PMID: 16979827 DOI: 10.1016/j.neuroscience.2006.08.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2006] [Revised: 07/17/2006] [Accepted: 08/07/2006] [Indexed: 12/30/2022]
Abstract
We investigated the contribution of peripheral 5-HT2A or 5-HT3 receptors to Fos expression in the trigeminal spinal nucleus (VSP) following acute masseter muscle injury in male rats with or without temporomandibular joint (TMJ) inflammation persisting for 7 days. TMJ inflammation was evoked by an injection of complete Freund's adjuvant (CFA). Two hours after formalin injection into the masseter muscle produced Fos-like immunoreactivity (Fos-LI) in several regions of the VSP and upper cervical spinal cord (C2), such as ventrolateral (vl) area of the trigeminal subnucleus caudalis (Vc)/subnucleus interpolaris (Vi) transition (vl-Vi/Vc), paratrigeminal nucleus (dPa5), middle portion of the Vc (mid-Vc) and Vc/C2 transition (Vc/C2) regions in both groups. Significant increases in the number of Fos-LI were observed in these areas in CFA group compared with non-CFA group. TMJ inflammation alone did not induce a significant level of Fos-LI in the VSP. In order to assess the effect of antagonizing 5-HT2A or 5-HT3 receptors on formalin-induced Fos-LI, rats were pre-treated with local (masseter muscle) administration of ketanserin or tropisetron (0.01, 0.1 mg/rat) 20 min prior to formalin injection. In CFA group, these antagonists given locally reduced the Fos-LI response in the laminae I-II at the mid-Vc and Vc/C2 regions. These antagonists reduced the Fos-LI response in the dPa5, but not in the vl-Vi/Vc region. The Fos-LI response was not affected by i.v. administration of ketanserin (0.01, 0.1 mg/rat) or tropisetron (0.01 mg/rat). In non-CFA group, these antagonists given locally did not reduce the Fos-LI response. These results suggest that peripheral 5-HT2A and 5-HT3 receptors contribute to nociceptive processing in the masseter muscle in TMJ inflammatory conditions.
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Affiliation(s)
- K Okamoto
- Department of Physiology, Wakayama Medical University, Wakayama City 641-8509, Japan.
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Abstract
Serotonin (5-hydroxtryptamine, 5-HT) is an important molecule in pain processing and modulation. Whether 5-HT has an analgesic or hyperalgesic action depends on the cell type and type of receptor it acts on. In the periphery, 5-HT sensitizes afferent nerve fibers, thus contributing to hyperalgesia in inflammation and nerve injury. In the trigeminal system, agonism at 5-HT1B/D receptors reduces neurotransmitter release, but actions through the 5-HT2A receptor may underlie chronic headache. Furthermore, genetic alterations in the 5-HT system may influence the susceptibility to migraine. In the central nervous system, 5-HT is involved in descending inhibition, but facilitatory serotonergic pathways may be functionally more important.
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Affiliation(s)
- Claudia Sommer
- Department of Neurology, Neurologische Universitätsklinik, Josef-Schneider-Str. 11, D-97080 Würzburg, Germany.
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27
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Hong Y, Ji H, Wei H. Topical ketanserin attenuates hyperalgesia and inflammation in arthritis in rats. Pain 2006; 124:27-33. [PMID: 16647209 DOI: 10.1016/j.pain.2006.03.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2005] [Revised: 03/14/2006] [Accepted: 03/14/2006] [Indexed: 12/31/2022]
Abstract
We investigated effects of topical application of ketanserin, a 5-HT2A receptor antagonist, on hyperalgesia and edema in the arthritic rat, a chronic pain model with inflammation. Unilateral, but not bilateral, arthritis was induced with intra-articular injection of a mixture of kaolin and carrageenan in one side, as indicated by the shortened paw withdrawal latency and an increase in the circumference of the knee joint. Topical application of ketanserin onto skin over the arthritic joint delivered in a mixture of gelatin, glycerol and kaolin produced dose-dependent attenuation of nociceptive and inflammatory effects resulting from intra-articularly injected kaolin/carrageenan. One and 3% ketanserin produced significant or even complete anti-hyperalgesia, as well as a remarkable anti-inflammatory effect (50-70% reduction of edema) while 0.3% ketanserin and placebo failed to produce any effect. Moreover, the effects of ketanserin were maintained for 13 days without decline. In contrast, 3% ketanserin applied to skin of the knee joint on the non-inflamed side for 2 weeks did not alter nociceptive thresholds of the paw and the size of the knee joint in both the inflamed and non-inflamed limbs. These results indicate that 5-HT2A receptors in the periphery play a significant role in the maintenance and/or development of inflammatory pain. The present study suggests that topical ketanserin is a promising direction for potential clinical exploration to relieve established hyperalgesia and inflammation in arthritis without adverse effects and tolerance.
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Affiliation(s)
- Yanguo Hong
- Department of Anatomy and Physiology, School of Life Sciences, Fujian Normal University, Fuzhou, People's Republic of China.
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28
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Chen X, Bing F, Dai P, Hong Y. Involvement of protein kinase C in 5-HT-evoked thermal hyperalgesia and spinal fos protein expression in the rat. Pharmacol Biochem Behav 2006; 84:8-16. [PMID: 16730785 DOI: 10.1016/j.pbb.2006.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2005] [Revised: 03/30/2006] [Accepted: 04/19/2006] [Indexed: 11/16/2022]
Abstract
The present study was designed to characterize nociceptive response induced by 5-hydroxytryptamine (5-HT) and to investigate effects of inhibition of protein kinase C (PKC) in the periphery on noxious stimulus-evoked activity of the secondary neurons in the spinal cord. Subcutaneous injection of 5-HT (50 microg) and alpha-methylserotonin (alpha-m-5-HT, 5-HT2A receptor agonist, 50 microg) into the unilateral hindpaw evoked significant decreases in paw withdrawal latency (PWL). The 5-HT-induced hyperalgesia was abolished by ketanserin (5-HT2A antagonist, 10 microg, intraplantarly or i.pl.), but not by WAY100635 (5-HT1A antagonist, 100 microg, i.pl.). 5-HT and alpha-m-5-HT also evoked numerous expressions of c-Fos-like immunoreactivity (c-fos-LI) in the ipsilateral dorsal horn (predominantly laminae I-II) of the lumbar spinal cord. However, treatment with 8-OH-DPAT (5-HT1A receptor agonist, 100 microg, i.pl.) elicited only moderate thermal hyperalgesia and very limited expression of spinal c-fos-LI. Intraplantar chelerythrine (2, 6 or 10 microg), a PKC inhibitor, dose-dependently attenuated the hyperalgesia evoked by alpha-m-5-HT. Chelerythrine (10 microg, i.pl.) also completely prevented the development of hyperalgesia evoked by 5-HT but not by 8-OH-DPAT. Furthermore, pretreatment with chelerythrine significantly inhibited the expressions of c-fos-LI evoked by alpha-m-5-HT in laminae I-VI and by 5-HT in laminae I-II. These results demonstrate that PKC activation was involved in the development of nociceptive responses elicited by 5-HT and activation of peripheral 5-HT2A, but not 5-HT1A, receptors. The study also provides evidence at a cellular level that inhibition of PKC in the periphery suppresses the 5-HT-evoked neuronal activity in the central nervous system.
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Affiliation(s)
- Xuejiao Chen
- Department of Anatomy and Physiology, College of Life Sciences, Fujian Normal University, Fuzhou, Fujian, 350000, People's Republic of China
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29
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Sasaki M, Obata H, Kawahara K, Saito S, Goto F. Peripheral 5-HT2A receptor antagonism attenuates primary thermal hyperalgesia and secondary mechanical allodynia after thermal injury in rats. Pain 2006; 122:130-6. [PMID: 16527395 DOI: 10.1016/j.pain.2006.01.021] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2005] [Revised: 12/13/2005] [Accepted: 01/19/2006] [Indexed: 12/22/2022]
Abstract
Inflammation or injury of peripheral tissue causes release of chemical mediators, including 5-hydroxytryptamine (5-HT), which is involved in the facilitation of nociceptive transmission and the induction of hyperalgesia. The present study examined the effect of a selective 5-HT2A receptor antagonist, sarpogrelate, on hyperalgesia and allodynia induced by thermal injury in rats. Mild thermal injury to the hindpaw produces thermal hyperalgesia in the injured area (primary thermal hyperalgesia) and mechanical allodynia in sites adjacent to the primary area (secondary mechanical allodynia). Mechanical allodynia was assessed by paw withdrawal thresholds using von Frey filaments, and thermal hyperalgesia was assessed by paw withdrawal latencies upon exposure to a radiant heat source. Intraperitoneal administration (30-100 mg/kg) or local injection (30-300 microg) of sarpogrelate 10 min prior to thermal injury attenuated secondary mechanical allodynia in a dose-dependent manner. Intraperitoneal administration (3-100 mg/kg) or local injection (30-300 microg) of sarpogrelate 10 min prior to thermal injury attenuated primary thermal hyperalgesia in a dose-dependent manner. Intraplantar injection of sarpogrelate (300 microg) to the contralateral hindpaw had no effect on primary thermal hyperalgesia or secondary mechanical allodynia in the ipsilateral paw. The tissue concentration of 5-HT was measured using microdialysis. Concentrations of 5-HT increased after thermal injury in both primary and secondary areas, and the increase was not attenuated by pretreatment with sarpogrelate (100 mg/kg, i.p.). These data suggest that 5-HT released in peripheral tissues after thermal injury sensitizes primary afferent neurons and produces mechanical allodynia and thermal hyperalgesia via peripheral 5-HT2A receptors.
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Affiliation(s)
- Masayuki Sasaki
- Department of Anesthesiology, Gunma University Graduate School of Medicine, 3-39-22, Showa, Maebashi, Gunma 371-8511, Japan
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30
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Rittner HL, Mousa SA, Labuz D, Beschmann K, Schäfer M, Stein C, Brack A. Selective local PMN recruitment by CXCL1 or CXCL2/3 injection does not cause inflammatory pain. J Leukoc Biol 2006; 79:1022-32. [PMID: 16522746 DOI: 10.1189/jlb.0805452] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Polymorphonuclear cells (PMN) are recruited in early inflammation and are believed to contribute to inflammatory pain. However, studies demonstrating a hyperalgesic role of PMN did not examine selective PMN recruitment or did not document effective PMN recruitment. We hypothesized that hyperalgesia does not develop after chemokine-induced PMN selective recruitment and is independent of PMN infiltration in complete Freund's adjuvant (CFA)-induced, local inflammation. PMN were recruited by intraplantar injection of CXC chemokine ligand 1 (CXCL1; keratinocyte-derived chemokine), CXCL2/3 (macrophage inflammatory protein-2), or CFA, with or without preceding systemic PMN depletion. Chemokine inoculation resulted in dose (0-30 microg)- and time (0-12 h)-dependent, selective recruitment of PMN as quantified by flow cytometry. CXCL2/3, but not CXCL1, was less effective at high doses, probably as a result of significant down-regulation of CXC chemokine receptor 2 expression on blood PMN. Neither chemokine caused mechanical or thermal hyperalgesia as determined by the Randall-Selitto and Hargreaves test, respectively, despite comparable expression of activation markers (i.e., CD11b, CD18, and L-selectin) on infiltrating PMN. In contrast, CFA injection induced hyperalgesia, independent of PMN recruitment. c-Fos mRNA and immunoreactivity in the spinal cord were increased significantly after inoculation of CFA-independent of PMN-migration but not of CXCL2/3. Measurement of potential hyperalgesic mediators showed that hyperalgesia correlated with local prostaglandin E2 (PGE2) but not with interleukin-1beta production. In summary, hyperalgesia, local PGE2 production, and spinal c-Fos expression occur after CFA-induced inflammation but not after CXCL1- or CXCL2/3-induced, selective PMN recruitment. Thus, PMN seem to be less important in inflammatory hyperalgesia than previously thought.
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Affiliation(s)
- Heike L Rittner
- Klinik für Anaesthesiologie und operative Intensivmedizin, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Germany
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