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Qiu X, Yang Y, Da X, Wang Y, Chen Z, Xu C. Satellite glial cells in sensory ganglia play a wider role in chronic pain via multiple mechanisms. Neural Regen Res 2024; 19:1056-1063. [PMID: 37862208 PMCID: PMC10749601 DOI: 10.4103/1673-5374.382986] [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: 02/14/2023] [Revised: 05/26/2023] [Accepted: 07/10/2023] [Indexed: 10/22/2023] Open
Abstract
Satellite glial cells are unique glial cells that surround the cell body of primary sensory neurons. An increasing body of evidence suggests that in the presence of inflammation and nerve damage, a significant number of satellite glial cells become activated, thus triggering a series of functional changes. This suggests that satellite glial cells are closely related to the occurrence of chronic pain. In this review, we first summarize the morphological structure, molecular markers, and physiological functions of satellite glial cells. Then, we clarify the multiple key roles of satellite glial cells in chronic pain, including gap junction hemichannel Cx43, membrane channel Pannexin1, K channel subunit 4.1, ATP, purinergic P2 receptors, and a series of additional factors and their receptors, including tumor necrosis factor, glutamate, endothelin, and bradykinin. Finally, we propose that future research should focus on the specific sorting of satellite glial cells, and identify genomic differences between physiological and pathological conditions. This review provides an important perspective for clarifying mechanisms underlying the peripheral regulation of chronic pain and will facilitate the formulation of new treatment plans for chronic pain.
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Affiliation(s)
- Xiaoyun Qiu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Yuanzhi Yang
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Xiaoli Da
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Yi Wang
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Zhong Chen
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Cenglin Xu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
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Chan KW, Smeijer JD, Schechter M, Jongs N, Vart P, Kohan DE, Gansevoort RT, Liew A, Tang SCW, Wanner C, de Zeeuw D, Heerspink HJL. Post hoc analysis of the SONAR trial indicates that the endothelin receptor antagonist atrasentan is associated with less pain in patients with type 2 diabetes and chronic kidney disease. Kidney Int 2023; 104:1219-1226. [PMID: 37657768 DOI: 10.1016/j.kint.2023.08.014] [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: 05/17/2023] [Revised: 08/05/2023] [Accepted: 08/17/2023] [Indexed: 09/03/2023]
Abstract
Pain is prevalent among patients with diabetes and chronic kidney disease (CKD). The management of chronic pain in these patients is limited by nephrotoxicity of commonly used drugs including non-steroidal anti-inflammatory drugs (NSAIDs) and opioids. Since previous studies implicated endothelin-1 in pain nociception, our post hoc analysis of the SONAR trial assessed the association between the endothelin receptor antagonist atrasentan and pain and prescription of analgesics. SONAR was a randomized, double-blind, placebo-controlled clinical trial that recruited participants with type 2 diabetes and CKD (estimated glomerular filtration rate 25-75 ml/min/1.73 m2; urinary albumin-to-creatinine ratio 300-5000 mg/g). Participants were randomized to receive atrasentan or placebo (1834 each arm). The main outcome was pain-related adverse events (AEs) reported by investigators. We applied Cox regression to assess the effect of atrasentan compared to placebo on the risk of the first reported pain-related AE and, secondly, first prescription of analgesics. We used the Anderson-Gill method to assess effects on all (first and subsequent) pain-related AEs. During 2.2-year median follow-up, 1183 pain-related AEs occurred. Rates for the first pain-related event were 138.2 and 170.2 per 1000 person-years in the atrasentan and placebo group respectively (hazard ratio 0.82 [95% confidence interval 0.72-0.93]). Atrasentan also reduced the rate of all (first and subsequent) pain-related AEs (rate ratio 0.80 [0.70-0.91]). These findings were similar after accounting for competing risk of death (sub-hazard ratio 0.81 [0.71-0.92]). Patients treated with atrasentan initiated fewer analgesics including NSAIDs and opioids compared to placebo during follow-up (hazard ratio = 0.72 [0.60-0.88]). Thus, atrasentan was associated with reduced pain-related events and pain-related use of analgesics in carefully selected patients with type 2 diabetes and CKD.
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Affiliation(s)
- Kam Wa Chan
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong SAR; School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR
| | - J David Smeijer
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Meir Schechter
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Diabetes Unit, Department of Endocrinology and Metabolism, Hadassah Medical Center, Jerusalem, Israel; Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Niels Jongs
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Priya Vart
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Donald E Kohan
- Division of Nephrology, University of Utah Health, Salt Lake City, Utah, USA
| | - Ron T Gansevoort
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | | | - Sydney C W Tang
- Division of Nephrology, Department of Medicine, The University of Hong Kong, Hong Kong SAR
| | - Christoph Wanner
- Department of Medicine, Division of Nephrology, Würzburg University Clinic, Würzburg, Germany; Department of Clinical Research and Epidemiology, Renal Research Unit, Comprehensive Heart Failure Center, Würzburg University, Würzburg, Germany
| | - Dick de Zeeuw
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Hiddo J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; The George Institute for Global Health, Sydney, New South Wales, Australia.
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Mazzotta E, Grants I, Villalobos-Hernandez E, Chaudhuri S, McClain JL, Seguella L, Kendig DM, Blakeney BA, Murthy SK, Schneider R, Leven P, Wehner S, Harzman A, Grider JR, Gulbransen BD, Christofi FL. BQ788 reveals glial ET B receptor modulation of neuronal cholinergic and nitrergic pathways to inhibit intestinal motility: Linked to postoperative ileus. Br J Pharmacol 2023; 180:2550-2576. [PMID: 37198101 PMCID: PMC11085045 DOI: 10.1111/bph.16145] [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: 05/11/2022] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/19/2023] Open
Abstract
BACKGROUND AND PURPOSE ET-1 signalling modulates intestinal motility and inflammation, but the role of ET-1/ETB receptor signalling is poorly understood. Enteric glia modulate normal motility and inflammation. We investigated whether glial ETB signalling regulates neural-motor pathways of intestinal motility and inflammation. EXPERIMENTAL APPROACH We studied ETB signalling using: ETB drugs (ET-1, SaTX, BQ788), activity-dependent stimulation of neurons (high K+ -depolarization, EFS), gliotoxins, Tg (Ednrb-EGFP)EP59Gsat/Mmucd mice, cell-specific mRNA in Sox10CreERT2 ;Rpl22-HAflx or ChATCre ;Rpl22-HAflx mice, Sox10CreERT2 ::GCaMP5g-tdT, Wnt1Cre2 ::GCaMP5g-tdT mice, muscle tension recordings, fluid-induced peristalsis, ET-1 expression, qPCR, western blots, 3-D LSM-immunofluorescence co-labelling studies in LMMP-CM and a postoperative ileus (POI) model of intestinal inflammation. KEY RESULTS In the muscularis externa ETB receptor is expressed exclusively in glia. ET-1 is expressed in RiboTag (ChAT)-neurons, isolated ganglia and intra-ganglionic varicose-nerve fibres co-labelled with peripherin or SP. ET-1 release provides activity-dependent glial ETB receptor modulation of Ca2+ waves in neural evoked glial responses. BQ788 reveals amplification of glial and neuronal Ca2+ responses and excitatory cholinergic contractions, sensitive to L-NAME. Gliotoxins disrupt SaTX-induced glial-Ca2+ waves and prevent BQ788 amplification of contractions. The ETB receptor is linked to inhibition of contractions and peristalsis. Inflammation causes glial ETB up-regulation, SaTX-hypersensitivity and glial amplification of ETB signalling. In vivo BQ788 (i.p., 1 mg·kg-1 ) attenuates intestinal inflammation in POI. CONCLUSION AND IMPLICATIONS Enteric glial ET-1/ETB signalling provides dual modulation of neural-motor circuits to inhibit motility. It inhibits excitatory cholinergic and stimulates inhibitory nitrergic motor pathways. Amplification of glial ETB receptors is linked to muscularis externa inflammation and possibly pathogenic mechanisms of POI.
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Affiliation(s)
- Elvio Mazzotta
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA
| | - Iveta Grants
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA
| | | | - Samhita Chaudhuri
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA
| | - Jonathon L McClain
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA
| | - Luisa Seguella
- Department of Physiology and Pharmacology "V. Erspamer", Sapienza University of Rome, Rome, Italy
| | - Derek M Kendig
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Bryan A Blakeney
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Srinivasa K Murthy
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, Virginia, USA
| | | | - Patrick Leven
- Department of Surgery, University of Bonn, Bonn, Germany
| | - Sven Wehner
- Department of Surgery, University of Bonn, Bonn, Germany
| | - Alan Harzman
- Department of GI Surgery, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA
| | - John R Grider
- Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Brian D Gulbransen
- Department of Physiology, Michigan State University, East Lansing, Michigan, USA
| | - Fedias L Christofi
- Department of Anesthesiology, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA
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Gunsch G, Paradie E, Townsend KL. Peripheral nervous system glia in support of metabolic tissue functions. Trends Endocrinol Metab 2023; 34:622-639. [PMID: 37591710 DOI: 10.1016/j.tem.2023.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 08/19/2023]
Abstract
The peripheral nervous system (PNS) relays information between organs and tissues and the brain and spine to maintain homeostasis, regulate tissue functions, and respond to interoceptive and exteroceptive signals. Glial cells perform support roles to maintain nerve function, plasticity, and survival. The glia of the central nervous system (CNS) are well characterized, but PNS glia (PNSG) populations, particularly tissue-specific subtypes, are underexplored. PNSG are found in large nerves (such as the sciatic), the ganglia, and the tissues themselves, and can crosstalk with a range of cell types in addition to neurons. PNSG are also subject to phenotypic changes in response to signals from their local tissue environment, including metabolic changes. These topics and the importance of PNSG in metabolically active tissues, such as adipose, muscle, heart, and lymphatic tissues, are outlined in this review.
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Affiliation(s)
- Gilian Gunsch
- Department of Neurological Surgery, The Ohio State University, Columbus, OH, USA
| | - Emma Paradie
- Department of Neurological Surgery, The Ohio State University, Columbus, OH, USA
| | - Kristy L Townsend
- Department of Neurological Surgery, The Ohio State University, Columbus, OH, USA.
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Ehlers VL, Sadler KE, Stucky CL. Peripheral transient receptor potential vanilloid type 4 hypersensitivity contributes to chronic sickle cell disease pain. Pain 2023; 164:1874-1886. [PMID: 36897169 PMCID: PMC10363186 DOI: 10.1097/j.pain.0000000000002889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 12/08/2022] [Indexed: 03/11/2023]
Abstract
ABSTRACT Debilitating pain affects the lives of patients with sickle cell disease (SCD). Current pain treatment for patients with SCD fail to completely resolve acute or chronic SCD pain. Previous research indicates that the cation channel transient receptor potential vanilloid type 4 (TRPV4) mediates peripheral hypersensitivity in various inflammatory and neuropathic pain conditions that may share similar pathophysiology with SCD, but this channel's role in chronic SCD pain remains unknown. Thus, the current experiments examined whether TRPV4 regulates hyperalgesia in transgenic mouse models of SCD. Acute blockade of TRPV4 alleviated evoked behavioral hypersensitivity to punctate, but not dynamic, mechanical stimuli in mice with SCD. TRPV4 blockade also reduced the mechanical sensitivity of small, but not large, dorsal root ganglia neurons from mice with SCD. Furthermore, keratinocytes from mice with SCD showed sensitized TRPV4-dependent calcium responses. These results shed new light on the role of TRPV4 in SCD chronic pain and are the first to suggest a role for epidermal keratinocytes in the heightened sensitivity observed in SCD.
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Affiliation(s)
- Vanessa L Ehlers
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States
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Haroun R, Wood JN, Sikandar S. Mechanisms of cancer pain. FRONTIERS IN PAIN RESEARCH (LAUSANNE, SWITZERLAND) 2023; 3:1030899. [PMID: 36688083 PMCID: PMC9845956 DOI: 10.3389/fpain.2022.1030899] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 11/14/2022] [Indexed: 01/05/2023]
Abstract
Personalised and targeted interventions have revolutionised cancer treatment and dramatically improved survival rates in recent decades. Nonetheless, effective pain management remains a problem for patients diagnosed with cancer, who continue to suffer from the painful side effects of cancer itself, as well as treatments for the disease. This problem of cancer pain will continue to grow with an ageing population and the rapid advent of more effective therapeutics to treat the disease. Current pain management guidelines from the World Health Organisation are generalised for different pain severities, but fail to address the heterogeneity of mechanisms in patients with varying cancer types, stages of disease and treatment plans. Pain is the most common complaint leading to emergency unit visits by patients with cancer and over one-third of patients that have been diagnosed with cancer will experience under-treated pain. This review summarises preclinical models of cancer pain states, with a particular focus on cancer-induced bone pain and chemotherapy-associated pain. We provide an overview of how preclinical models can recapitulate aspects of pain and sensory dysfunction that is observed in patients with persistent cancer-induced bone pain or neuropathic pain following chemotherapy. Peripheral and central nervous system mechanisms of cancer pain are discussed, along with key cellular and molecular mediators that have been highlighted in animal models of cancer pain. These include interactions between neuronal cells, cancer cells and non-neuronal cells in the tumour microenvironment. Therapeutic targets beyond opioid-based management are reviewed for the treatment of cancer pain.
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Affiliation(s)
- Rayan Haroun
- Division of Medicine, Wolfson Institute of Biomedical Research, University College London, London, UnitedKingdom
| | - John N Wood
- Division of Medicine, Wolfson Institute of Biomedical Research, University College London, London, UnitedKingdom
| | - Shafaq Sikandar
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom,Correspondence: Shafaq Sikandar
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7
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Yuasa GH, Costa NLVK, Lopes RV, Baggio DF, Rae GA, Chichorro JG. Role of endothelin in the pathophysiology of migraine: A new view on an old player. Neuropeptides 2022; 96:102286. [PMID: 36108557 DOI: 10.1016/j.npep.2022.102286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 11/28/2022]
Abstract
There is cumulating evidence that endothelin-1 (ET-1) may play a role in migraine, however controversial findings still impede a conclusion to be drawn. Herein we tested the hypothesis that endothelin ETB receptors are major contributors to migraine-like responses. ET-1, IRL-1620 (selective ETB receptor agonist) or CGRP were injected into the trigeminal ganglion (TG) of female Wistar rats, and the development of periorbital mechanical allodynia was assessed hourly with von Frey hairs. Twenty-four hours later, rats were exposed to an aversive light for 1 h, after which the reactivation of periorbital mechanical allodynia (indicating photic sensitivity) was assessed up to 4 h. Moreover, the effect of systemic Bosentan (ETA/ETB receptors antagonist) or the selective antagonists of ETA (BQ-123) and ETB (BQ-788) receptors injected into the TG were evaluated against CGRP-induced responses. ET-1 and IRL-1620 injection into the TG induced periorbital mechanical allodynia and photic sensitivity. Bosentan attenuated periorbital mechanical allodynia but failed to affect photic sensitivity induced by CGRP. Selective blockade of ETB receptors in the TG fully prevented the development of periorbital mechanical allodynia and photic sensitivity induced by CGRP, but ETA receptor blockade caused only a slight reduction of periorbital mechanical allodynia without affecting photic sensitivity. ETB receptor-operated mechanisms in the TG may contribute to migraine-like responses in female rats.
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Affiliation(s)
- Gianna Hissae Yuasa
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil
| | | | - Raphael Vieira Lopes
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil
| | - Darciane Favero Baggio
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil
| | - Giles Alexander Rae
- Department of Pharmacology, Center of Biological Sciences, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - Juliana Geremias Chichorro
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil.
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Qin L, Cui J, Li J. Sympathetic Nerve Activity and Blood Pressure Response to Exercise in Peripheral Artery Disease: From Molecular Mechanisms, Human Studies, to Intervention Strategy Development. Int J Mol Sci 2022; 23:ijms231810622. [PMID: 36142521 PMCID: PMC9505475 DOI: 10.3390/ijms231810622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
Sympathetic nerve activity (SNA) regulates the contraction of vascular smooth muscle and leads to a change in arterial blood pressure (BP). It was observed that SNA, vascular contractility, and BP are heightened in patients with peripheral artery disease (PAD) during exercise. The exercise pressor reflex (EPR), a neural mechanism responsible for BP response to activation of muscle afferent nerve, is a determinant of the exaggerated exercise-induced BP rise in PAD. Based on recent results obtained from a series of studies in PAD patients and a rat model of PAD, this review will shed light on SNA-driven BP response and the underlying mechanisms by which receptors and molecular mediators in muscle afferent nerves mediate the abnormalities in autonomic activities of PAD. Intervention strategies, particularly non-pharmacological strategies, improving the deleterious exercise-induced SNA and BP in PAD, and enhancing tolerance and performance during exercise will also be discussed.
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Baraldi JH, Martyn GV, Shurin GV, Shurin MR. Tumor Innervation: History, Methodologies, and Significance. Cancers (Basel) 2022; 14:cancers14081979. [PMID: 35454883 PMCID: PMC9029781 DOI: 10.3390/cancers14081979] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/01/2022] [Accepted: 04/08/2022] [Indexed: 12/11/2022] Open
Abstract
Simple Summary This comprehensive review of tumor innervation summarizes the literature from the earliest publications on the topic to the most recent. It addresses the positive and negative evidence of tumor innervation and the historical developments in thought and methodology that have led to the consensus that tumors are innervated. The role of the immune response is described, as are some important biochemical and physiological mechanisms relevant to regulation of cancer development. Abstract The role of the nervous system in cancer development and progression has been under experimental and clinical investigation since nineteenth-century observations in solid tumor anatomy and histology. For the first half of the twentieth century, methodological limitations and opaque mechanistic concepts resulted in ambiguous evidence of tumor innervation. Differential spatial distribution of viable or disintegrated nerve tissue colocalized with neoplastic tissue led investigators to conclude that solid tumors either are or are not innervated. Subsequent work in electrophysiology, immunohistochemistry, pathway enrichment analysis, neuroimmunology, and neuroimmunooncology have bolstered the conclusion that solid tumors are innervated. Regulatory mechanisms for cancer-related neurogenesis, as well as specific operational definitions of perineural invasion and axonogenesis, have helped to explain the consensus observation of nerves at the periphery of the tumor signifying a functional role of nerves, neurons, neurites, and glia in tumor development.
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Affiliation(s)
- James H. Baraldi
- Department of Neuroscience, University of Pittsburgh, Pittsburgh, PA 15260, USA;
| | - German V. Martyn
- Biomedical Studies Program, Chatham University, Pittsburgh, PA 15232, USA;
| | - Galina V. Shurin
- Department of Pathology, University of Pittsburgh, Pittsburgh, PA 15213, USA;
| | - Michael R. Shurin
- Department of Pathology and Immunology, Division of Clinical Immunopathology, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
- Correspondence:
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Qin C, Wang Y, Li S, Tang Y, Gao Y. The Involvement of Endothelin Pathway in Chronic Psychological Stress-Induced Bladder Hyperalgesia Through Capsaicin-Sensitive C-Fiber Afferents. J Inflamm Res 2022; 15:1209-1226. [PMID: 35228812 PMCID: PMC8882030 DOI: 10.2147/jir.s346855] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 02/02/2022] [Indexed: 12/23/2022] Open
Abstract
Introductions Interstitial cystitis/bladder pain syndrome (IC/BPS) is a poorly understood chronic disorder characterized by bladder-related pain. Chronic psychological stress plays a key role in the exacerbation and development of IC/BPS via unclear mechanisms. This study aimed to investigate the role of endothelin 1 (ET-1) and its receptors in the development of chronic stress-induced bladder dysfunction. Methods Wistar‐Kyoto rats were exposed to chronic (10 days) water avoidance stress (WAS) or sham stress, with subgroups receiving capsaicin pretreatment to desensitize C-fiber afferents. Thereafter, cystometrograms (CMG) were obtained with visceromotor response (VMR) simultaneously during intravesical saline or ET-1 infusion. CMG recordings were analyzed for the first and the continuous voiding cycles, respectively. Endothelin receptor type A (ETAR) expression was examined in the bladder tissues and L6-S1 dorsal root ganglions (DRGs). Toluidine blue staining was to check the bladder inflammation and double-labeling immunofluorescence (IF) staining was to identify the locations of ETAR, respectively. Results During saline infusion, WAS rats elicited significant decreases in pressure threshold (PT) and in the ratio of VMR threshold/maximum intravesical pressure (IVPmax), and a significant increase in VMR duration and area under the curve (AUC). ET-1 infusion induced similar alternations in WAS rats, but further significantly diminished the pressure to trigger PT and VMR, together with a more forceful and longer VMR. The sole effect of WAS exposure or ET-1 administration on the micturition reflex could be suppressed by capsaicin pretreatment. WAS exposure significantly induced an increased number of total mast cells in the bladder, while capsaicin pretreatment possibly antagonized them. No significant difference in ETAR expression was found between all groups. IF staining indicated the co-localization of ETAR and calcitonin gene-related peptides in both bladder and DRGs. Conclusion The activation of ET-1 receptors could enhance chronic stress-induced bladder hypersensitization and hyperalgesia through capsaicin-sensitive C-fiber afferents. Targeting the endothelin pathway may have therapeutic value for IC/BPS.
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Affiliation(s)
- Chuying Qin
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, 410011, People’s Republic of China
| | - Yinhuai Wang
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, 410011, People’s Republic of China
| | - Sai Li
- Acupuncture and Tuina School, Hunan University of Chinese Medicine, Changsha, 410208, People’s Republic of China
| | - Yuanyuan Tang
- Department of Oncology, The Second Xiangya Hospital, Central South University, Changsha, 410011, People’s Republic of China
| | - Yunliang Gao
- Department of Urology, The Second Xiangya Hospital, Central South University, Changsha, 410011, People’s Republic of China
- Correspondence: Yunliang Gao, Department of Urology, The Second Xiangya Hospital, Central South University, No. 139. Renmin Road, Changsha, 410011, People’s Republic of China, Email
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11
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Mapps AA, Thomsen MB, Boehm E, Zhao H, Hattar S, Kuruvilla R. Diversity of satellite glia in sympathetic and sensory ganglia. Cell Rep 2022; 38:110328. [PMID: 35108545 DOI: 10.1016/j.celrep.2022.110328] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 11/15/2021] [Accepted: 01/11/2022] [Indexed: 12/12/2022] Open
Abstract
Satellite glia are the major glial type found in sympathetic and sensory ganglia in the peripheral nervous system, and specifically, contact neuronal cell bodies. Sympathetic and sensory neurons differ in morphological, molecular, and electrophysiological properties. However, the molecular diversity of the associated satellite glial cells remains unclear. Here, using single-cell RNA sequencing analysis, we identify five different populations of satellite glia from sympathetic and sensory ganglia. We define three shared populations of satellite glia enriched in immune-response genes, immediate-early genes, and ion channels/ECM-interactors, respectively. Sensory- and sympathetic-specific satellite glia are differentially enriched for modulators of lipid synthesis and metabolism. Sensory glia are also specifically enriched for genes involved in glutamate turnover. Furthermore, satellite glia and Schwann cells can be distinguished by unique transcriptional signatures. This study reveals the remarkable heterogeneity of satellite glia in the peripheral nervous system.
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Affiliation(s)
- Aurelia A Mapps
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, 200 Mudd Hall, Baltimore, MD 21218, USA
| | - Michael B Thomsen
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, 200 Mudd Hall, Baltimore, MD 21218, USA; Section on Light and Circadian Rhythms (SLCR), National Institute of Mental Health, NIH, Bethesda, MD 20892, USA
| | - Erica Boehm
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, 200 Mudd Hall, Baltimore, MD 21218, USA
| | - Haiqing Zhao
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, 200 Mudd Hall, Baltimore, MD 21218, USA
| | - Samer Hattar
- Section on Light and Circadian Rhythms (SLCR), National Institute of Mental Health, NIH, Bethesda, MD 20892, USA
| | - Rejji Kuruvilla
- Department of Biology, Johns Hopkins University, 3400 N. Charles Street, 200 Mudd Hall, Baltimore, MD 21218, USA.
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12
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Bazzigaluppi P, Mester J, Joo IL, Weisspapir I, Dorr A, Koletar MM, Beckett TL, Khosravani H, Carlen P, Stefanovic B. Frequency selective neuronal modulation triggers spreading depolarizations in the rat endothelin-1 model of stroke. J Cereb Blood Flow Metab 2021; 41:2756-2768. [PMID: 33969731 PMCID: PMC8504421 DOI: 10.1177/0271678x211013656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Ischemia is one of the most common causes of acquired brain injury. Central to its noxious sequelae are spreading depolarizations (SDs), waves of persistent depolarizations which start at the location of the flow obstruction and expand outwards leading to excitotoxic damage. The majority of acute stage of stroke studies to date have focused on the phenomenology of SDs and their association with brain damage. In the current work, we investigated the role of peri-injection zone pyramidal neurons in triggering SDs by optogenetic stimulation in an endothelin-1 rat model of focal ischemia. Our concurrent two photon fluorescence microscopy data and local field potential recordings indicated that a ≥ 60% drop in cortical arteriolar red blood cell velocity was associated with SDs at the ET-1 injection site. SDs were also observed in the peri-injection zone, which subsequently exhibited elevated neuronal activity in the low-frequency bands. Critically, SDs were triggered by low- but not high-frequency optogenetic stimulation of peri-injection zone pyramidal neurons. Our findings depict a complex etiology of SDs post focal ischemia and reveal that effects of neuronal modulation exhibit spectral and spatial selectivity.
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Affiliation(s)
- Paolo Bazzigaluppi
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
- Paolo Bazzigaluppi, Sunnybrook Research Institute, 2075 Bayview Ave., S646, Toronto, ON M4N 3M5, Canada.
| | - James Mester
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
- Department of Medical Biophysics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Illsung L Joo
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
| | - Iliya Weisspapir
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
| | - Adrienne Dorr
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
| | | | - Tina L Beckett
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
| | - Houman Khosravani
- Division of Neurology and Interdepartmental Division of Critical Care, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, Toronto, ON, Canada
- Interdepartmental Division of Critical Care, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Peter Carlen
- Krembil Research Institute, University of Toronto, Toronto, ON, Canada
| | - Bojana Stefanovic
- Sunnybrook Research Institute, Physical Sciences, Toronto, ON, Canada
- Department of Medical Biophysics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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13
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Fakhri S, Abbaszadeh F, Jorjani M. On the therapeutic targets and pharmacological treatments for pain relief following spinal cord injury: A mechanistic review. Biomed Pharmacother 2021; 139:111563. [PMID: 33873146 DOI: 10.1016/j.biopha.2021.111563] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022] Open
Abstract
Spinal cord injury (SCI) is globally considered as one of the most debilitating disorders, which interferes with daily activities and life of the affected patients. Despite many developments in related recognizing and treating procedures, post-SCI neuropathic pain (NP) is still a clinical challenge for clinicians with no distinct treatments. Accordingly, a comprehensive search was conducted in PubMed, Medline, Scopus, Web of Science, and national database (SID and Irandoc). The relevant articles regarding signaling pathways, therapeutic targets and pharmacotherapy of post-SCI pain were also reviewed. Data were collected with no time limitation until November 2020. The present study provides the findings on molecular mechanisms and therapeutic targets, as well as developing the critical signaling pathways to introduce novel neuroprotective treatments of post-SCI pain. From the pathophysiological mechanistic point of view, post-SCI inflammation activates the innate immune system, in which the immune cells elicit secondary injuries. So, targeting the critical signaling pathways for pain management in the SCI population has significant importance in providing new treatments. Indeed, several receptors, ion channels, excitatory neurotransmitters, enzymes, and key signaling pathways could be used as therapeutic targets, with a pivotal role of n-methyl-D-aspartate, gamma-aminobutyric acid, and inflammatory mediators. The current review focuses on conventional therapies, as well as crucial signaling pathways and promising therapeutic targets for post-SCI pain to provide new insights into the clinical treatment of post-SCI pain. The need to develop innovative delivery systems to treat SCI is also considered.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Abbaszadeh
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Masoumeh Jorjani
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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14
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Potentiation of P2X3 receptor mediated currents by endothelin-1 in rat dorsal root ganglion neurons. Neuropharmacology 2020; 181:108356. [PMID: 33069757 DOI: 10.1016/j.neuropharm.2020.108356] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/23/2020] [Accepted: 10/12/2020] [Indexed: 11/21/2022]
Abstract
Endothelin-1 (ET-1), an endogenous vasoconstrictor, has been known as a pro-nociceptive agent involved in multitude of pain. ET-1 acts on endothelin receptors on vascular endothelial cells, sensitizes release of ATP, which then acts on P2X3 receptors on nociceptors and results in mechanical hyperalgesia. Both endothelin receptors and P2X3 receptors are present in primary sensory neuron, where it remains unclear whether there is an interaction between them. Herein, we reported that ET-1 potentiated the electrophysiological activity of P2X3 receptors in rat dorsal root ganglia (DRG) neurons. ET-1 concentration-dependently increased α,β-methylene-ATP (α,β-meATP)-evoked inward currents, which were mediated by P2X3 receptors. ET-1 shifted the α,β-meATP concentration-response curve upwards, with an increase of 34.38 ± 4.72% in the maximal current response to α,β-meATP in the presence of ET-1. ET-1 potentiation of α,β-meATP-evoked currents was voltage-independent. ET-1 potentiated P2X3 receptor-mediated currents through endothelin-A receptors (ETAR), but not endothelin-B receptors (ETBR). ET-1 potentiation was supressed by blockade of intracellular G-protein or protein kinase C (PKC) signaling. Moreover, there is a synergistic effect on mechanical allodynia induced by intraplantar injection of ET-1 and α,β-meATP in rats. Pharmacological blockade of P2X3 receptors also alleviated ET-1-induced mechanical allodynia. These results suggested that ET-1 sensitized P2X3 receptors in primary sensory neurons via an ETAR and PKC signaling pathway. Our data provide evidence that cutaneous ET-1 induced mechanical allodynia not only by increasing the release of ATP from vascular endothelial cells, but also by sensitizing P2X3 receptors on nociceptive DRG neurons.
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15
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Endothelin-1 enhances acid-sensing ion channel currents in rat primary sensory neurons. Acta Pharmacol Sin 2020; 41:1049-1057. [PMID: 32107467 PMCID: PMC7468575 DOI: 10.1038/s41401-019-0348-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 12/12/2019] [Indexed: 11/18/2022] Open
Abstract
Endothelin-1 (ET-1), an endogenous vasoactive peptide, has been found to play an important role in peripheral pain signaling. Acid-sensing ion channels (ASICs) are key sensors for extracellular protons and contribute to pain caused by tissue acidosis. It remains unclear whether an interaction exists between ET-1 and ASICs in primary sensory neurons. In this study, we reported that ET-1 enhanced the activity of ASICs in rat dorsal root ganglia (DRG) neurons. In whole-cell voltage-clamp recording, ASIC currents were evoked by brief local application of pH 6.0 external solution in the presence of TRPV1 channel blocker AMG9810. Pre-application with ET-1 (1−100 nM) dose-dependently increased the proton-evoked ASIC currents with an EC50 value of 7.42 ± 0.21 nM. Pre-application with ET-1 (30 nM) shifted the concentration–response curve of proton upwards with a maximal current response increase of 61.11% ± 4.33%. We showed that ET-1 enhanced ASIC currents through endothelin-A receptor (ETAR), but not endothelin-B receptor (ETBR) in both DRG neurons and CHO cells co-expressing ASIC3 and ETAR. ET-1 enhancement was inhibited by blockade of G-protein or protein kinase C signaling. In current-clamp recording, pre-application with ET-1 (30 nM) significantly increased acid-evoked firing in rat DRG neurons. Finally, we showed that pharmacological blockade of ASICs by amiloride or APETx2 significantly alleviated ET-1-induced flinching and mechanical hyperalgesia in rats. These results suggest that ET-1 sensitizes ASICs in primary sensory neurons via ETAR and PKC signaling pathway, which may contribute to peripheral ET-1-induced nociceptive behavior in rats.
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Du S, Lin C, Tao YX. Updated mechanisms underlying sickle cell disease-associated pain. Neurosci Lett 2019; 712:134471. [PMID: 31505241 PMCID: PMC6815235 DOI: 10.1016/j.neulet.2019.134471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 08/27/2019] [Accepted: 08/29/2019] [Indexed: 02/07/2023]
Abstract
Sickle cell disease (SCD) is one of the most common severe genetic diseases around the world. A majority of SCD patients experience intense pain, leading to hospitalization, and poor quality of life. Opioids form the bedrock of pain management, but their long-term use is associated with severe side effects including hyperalgesia, tolerance and addiction. Recently, excellent research has shown some new potential mechanisms that underlie SCD-associated pain. This review focused on how transient receptor potential vanilloid 1, endothelin-1/endothelin type A receptor, and cannabinoid receptors contributed to the pathophysiology of SCD-associated pain. Understanding these mechanisms may open a new avenue in managing SCD-associated pain and improving quality of life for SCD patients.
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Affiliation(s)
- Shibin Du
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Corinna Lin
- Rutgers Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA
| | - Yuan-Xiang Tao
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA; Rutgers Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ 07103, USA.
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Differential Expression of Neuroinflammatory mRNAs in the Rat Sciatic Nerve Following Chronic Constriction Injury and Pain-Relieving Nanoemulsion NSAID Delivery to Infiltrating Macrophages. Int J Mol Sci 2019; 20:ijms20215269. [PMID: 31652890 PMCID: PMC6862677 DOI: 10.3390/ijms20215269] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/17/2019] [Accepted: 10/21/2019] [Indexed: 12/13/2022] Open
Abstract
The neuroinflammatory response to peripheral nerve injury is associated with chronic pain and significant changes in the molecular expression profiles of mRNAs in neurons, glia and infiltrating immune cells. Chronic constriction injury (CCI) of the rat sciatic nerve provides an opportunity to mimic neuropathic injury and quantitatively assess behavior and differential gene expression in individual animals. Previously, we have shown that a single intravenous injection of nanoemulsion containing celecoxib (0.24 mg/kg) reduces inflammation of the sciatic nerve and relieves pain-like behavior for up to 6 days. Here, we use this targeted therapy to explore the impact on mRNA expression changes in both pain and pain-relieved states. Sciatic nerve tissue recovered from CCI animals is used to evaluate the mRNA expression profiles utilizing quantitative PCR. We observe mRNA changes consistent with the reduced recruitment of macrophages evident by a reduction in chemokine and cytokine expression. Furthermore, genes associated with adhesion of macrophages, as well as changes in the neuronal and glial mRNAs are observed. Moreover, genes associated with neuropathic pain including Maob, Grin2b/NMDAR2b, TrpV3, IL-6, Cacna1b/Cav2.2, Itgam/Cd11b, Scn9a/Nav1.7, and Tac1 were all found to respond to the celecoxib loaded nanoemulsion during pain relief as compared to those animals that received drug-free vehicle. These results demonstrate that by targeting macrophage production of PGE2 at the site of injury, pain relief includes partial reversal of the gene expression profiles associated with chronic pain.
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18
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Endothelin Signaling Contributes to Modulation of Nociception in Early-stage Tongue Cancer in Rats. Anesthesiology 2019; 128:1207-1219. [PMID: 29461271 DOI: 10.1097/aln.0000000000002139] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Patients with early stage tongue cancer do not frequently complain of tongue pain. Endothelin-1 signaling is upregulated in the cancerous tongue at the early stage. We tested the hypothesis that endothelin-1 signaling contributes to the modulation of tongue nociception. METHODS Squamous cell carcinoma cells were inoculated into the tongue under general anesthesia. Lingual mechanical sensitivity under light anesthesia using forceps from days 1 to 21 (n = 8) and the amounts of endothelin-1 and β-endorphin in the tongue on days 6, 14, and 21 (n = 5 to 7) were examined after the inoculation. The effect of endothelin-A or µ-opioid receptor antagonism on the mechanical sensitivity was examined (n = 5 to 7). RESULTS Lingual mechanical sensitivity did not change at the early stage (days 5 to 6) but increased at the late stage (days 13 to 14). The amount of endothelin-1 increased (25.4 ± 4.8 pg/ml vs. 15.0 ± 5.2 pg/ml; P = 0.008), and endothelin-A receptor antagonism in the tongue induced mechanical hypersensitivity at the early stage (51 ± 9 g vs. 81 ± 6 g; P = 0.0001). The µ-opioid receptor antagonism enhanced mechanical hypersensitivity (39 ± 7 g vs. 81 ± 6 g; P < 0.0001), and the amount of β-endorphin increased at the early stage. CONCLUSIONS β-Endorphin released from the cancer cells via endothelin-1 signaling is involved in analgesic action in mechanical hypersensitivity at the early stage.
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Pontes RB, Lisboa MRP, Pereira AF, Lino JA, de Oliveira FFB, de Mesquita AKV, de Freitas Alves BW, Lima-Júnior RCP, Vale ML. Involvement of Endothelin Receptors in Peripheral Sensory Neuropathy Induced by Oxaliplatin in Mice. Neurotox Res 2019; 36:688-699. [PMID: 31228092 DOI: 10.1007/s12640-019-00074-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 05/24/2019] [Accepted: 06/11/2019] [Indexed: 01/10/2023]
Abstract
The aim of this study was to evaluate the participation of the endothelin ETA and ETB receptors and the effects of bosentan in oxaliplatin-induced peripheral sensory neuropathy (OIN) in mice. Adult male Swiss mice received 1 mg/kg of oxaliplatin intravenously, twice a week for 5 weeks. Dorsal root ganglia (DRG) and spinal cords were removed for evaluation of the endothelin ETA and ETB receptor expression. Afterwards, selective (BQ-123 and BQ-788; 10 nmol in 30 μL, intraplantarly) and non-selective (bosentan, 100 mg/kg, orally) antagonists were administered in order to evaluate the involvement of the endothelin receptors in OIN. Mechanical and thermal nociception tests were performed once a week for 56 days. Oxaliplatin induced mechanical and thermal hypersensitivity and increased the endothelin ETA receptor expression in both the DRG and spinal cord (P < 0.05). Endothelin ETB receptor expression was increased in the DRG (P < 0.05) but not in the spinal cord. Both endothelin ETA and ETB receptor selective antagonists partially prevented mechanical hyperalgesia in mice with OIN (P < 0.05). Moreover, bosentan prevented mechanical and thermal hypersensitivity in oxaliplatin-treated mice (P < 0.05). In conclusion, both endothelin ETA and ETB receptors seem to be involved in the OIN in mice and they should be considered possible targets for the management of this clinical feature.
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Affiliation(s)
- Renata Bessa Pontes
- Department of Physical Therapy, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, 60430-160, Brazil
| | - Mario Roberto Pontes Lisboa
- Department of Morphology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, 60430-170, Brazil
| | - Anamaria Falcão Pereira
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará (UFC), R. Cel. Nunes de Melo, 1127, Rodolfo Teófilo, Fortaleza, CE, 60430-270, Brazil
| | - Juliana Arcanjo Lino
- Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, 60430-140, Brazil
| | - Francisco Fábio Bezerra de Oliveira
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará (UFC), R. Cel. Nunes de Melo, 1127, Rodolfo Teófilo, Fortaleza, CE, 60430-270, Brazil
| | | | | | - Roberto César Pereira Lima-Júnior
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará (UFC), R. Cel. Nunes de Melo, 1127, Rodolfo Teófilo, Fortaleza, CE, 60430-270, Brazil
| | - Mariana Lima Vale
- Department of Morphology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, 60430-170, Brazil.
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará (UFC), R. Cel. Nunes de Melo, 1127, Rodolfo Teófilo, Fortaleza, CE, 60430-270, Brazil.
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Uhelski ML, Simone DA. Sensitization of nociceptors and dorsal horn neurons contributes to pain in sickle cell disease. Neurosci Lett 2019; 705:20-26. [PMID: 30995520 DOI: 10.1016/j.neulet.2019.04.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 03/22/2019] [Accepted: 04/05/2019] [Indexed: 12/13/2022]
Abstract
Sickle cell disease (SCD) describes a group of disorders associated with a point mutation in the beta chain of hemoglobin. The mutation leads to the creation of sickle hemoglobin (HbS) and causes distortion of erythrocytes through polymerization under low oxygen, resulting in characteristic sickle red blood cells. Vaso-occlusion episodes caused by accumulation of sRBCs results in ischemia-reperfusion injury, reduced oxygen supply to organs, oxidative stress, organ damage and severe pain that often requires hospitalization and opioid treatment. Further, many patients suffer from chronic pain, including hypersensitivity to heat and cold stimuli. Progress towards the development of novel strategies for both acute and chronic pain in patients with SCD has been impeded by a lack of understanding the mechanisms underlying pain in SCD. The purpose of this review is to highlight evidence for the contribution of peripheral and central sensitization that leads to widespread, chronic pain and hyperalgesia. Targeting the mechanisms that initiate and maintain sensitization in SCD might offer effective approaches to manage the severe and debilitating pain associated with this condition.
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Affiliation(s)
- Megan L Uhelski
- Department of Pain Medicine, Division of Anesthesiology, Critical Care and Pain Medicine. The University of Texas MD Anderson Cancer Center, Houston, TX 77030, United States
| | - Donald A Simone
- Department of Diagnostic and Biological Sciences, University of Minnesota, School of Dentistry, Minneapolis, MN 55455, United States.
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21
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Zhu N, Gu L, Jia J, Wang X, Wang L, Yang M, Yuan W. Endothelin‐1 triggers human peritoneal mesothelial cells’ proliferation via ERK1/2‐Ets‐1 signaling pathway and contributes to endothelial cell angiogenesis. J Cell Biochem 2018; 120:3539-3546. [PMID: 30485480 DOI: 10.1002/jcb.27631] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 08/14/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Nan Zhu
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Lijie Gu
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Jieshuang Jia
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Xuan Wang
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Ling Wang
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Man Yang
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
| | - Weijie Yuan
- Department of Nephrology Shanghai Jiao Tong University Affiliated First People's Hospital Shanghai PR China
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22
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Tai LW, Pan Z, Sun L, Li H, Gu P, Wong SSC, Chung SK, Cheung CW. Suppression of Pax2 Attenuates Allodynia and Hyperalgesia through ET-1-ETAR-NFAT5 Signaling in a Rat Model of Neuropathic Pain. Neuroscience 2018; 384:139-151. [PMID: 29847776 DOI: 10.1016/j.neuroscience.2018.05.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 05/15/2018] [Accepted: 05/16/2018] [Indexed: 01/16/2023]
Abstract
Endothelin-1 (ET-1) and its receptors (ETAR/ETBR) emerge to be a key signaling axis in neuropathic pain processing and are recognized as new therapeutic targets. Yet, little is known on the functional regulation of ET-1 axis during neuropathic pain. Bioinformatics analysis indicated that paired box gene 2 (Pax2) or nuclear factor of activated T-cells 5 (NFAT5), two transcription factors involved in the modulation of neurotransmission, may regulate ET-1. Therefore, we hypothesized that ET-1 axis may be regulated by Pax2 or NFAT5 in the development of neuropathic pain. After partial sciatic nerve ligation (pSNL), rats displayed allodynia and hyperalgesia, which was associated with increased mRNA and protein expressions of spinal Pax2, NFAT5, and mRNA levels of ET-1 and ETAR, but not ETBR. Knockdown of Pax2 or NFAT5 with siRNA, or inhibition of ETAR with BQ-123 attenuated pSNL-induced pain-like behaviors. At molecular level, Pax2 siRNA, but not NFAT5 siRNA, downregulated ET-1 and ETAR, while ETAR inhibitor reduced NFAT5, indicating Pax2 in the upstream of ET-1 axis with NFAT5 in the downstream. Further, suppression of Pax2 (inhibiting ET-1) or impairment of ET-1 signaling (inhibition of ETAR and/or decrease of NFAT5) deactivated mitogen-activated protein kinases (MAPK) and nuclear factor-kappa B (NF-κB) signaling pathways, supporting the significance of functional regulation of ET-1 axis in neuropathic pain signaling. These findings demonstrate that Pax2 targeting ET-1-ETAR-NFAT5 is a novel regulatory mechanism underlying neuropathic pain.
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Affiliation(s)
- Lydia Wai Tai
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China
| | - Zhiqiang Pan
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, China
| | - Liting Sun
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China
| | - Haobo Li
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China
| | - Pan Gu
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China
| | - Stanley Sau Ching Wong
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China
| | - Sookja K Chung
- Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China; School of Biomedical Sciences, Hormone and Healthy Aging, The University of Hong Kong, Hong Kong, China; Research Center of Heart, Brain, Hormone and Healthy Aging, The University of Hong Kong, Hong Kong, China
| | - Chi Wai Cheung
- Department of Anaesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China.
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Liu M, Zhao L, Hu J, Wang L, Li N, Wu D, Shi X, Yuan M, Hu W, Wang X. Endothelial cells and endothelin‑1 promote the odontogenic differentiation of dental pulp stem cells. Mol Med Rep 2018; 18:893-901. [PMID: 29845193 PMCID: PMC6059721 DOI: 10.3892/mmr.2018.9033] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 04/13/2018] [Indexed: 12/14/2022] Open
Abstract
It has been established that dental pulp stem cells (DPSCs) serve an important role in the restoration and regeneration of dental tissues. DPSCs are present in blood vessels and also exist in the vessel microenvironment in vivo and have a close association with endothelial cells (ECs). The present study aimed to evaluate the influence of ECs and their secretory product endothelin-1 (ET-1) on the differentiation of DPSCs. In the present study, cells were divided into four groups: i) a DPSC-only control group; ii) a DPSC with ET-1 administration group; iii) a DPSC and human umbilical vein endothelial cell (HUVEC) direct co-culture group; and iv) a DPSC and HUVEC indirect co-culture group using a Transwell system. Reverse transcription-quantitative polymerase chain reaction was used to detect the expression of the odontoblastic differentiation-associated genes, including dentin sialoprotein (DSP) and dentin matrix acidic phosphoprotein 1 (DMP-1) at days 4, 7, 14 and 21. Alizarin Red S staining, immunofluorescence and western blot analyses were also conducted to assess the differentiation of the DPSCs in each group. The highest expression levels of odontoblastic differentiation-associated genes were observed on day 7 and in the two co-culture groups were increased compared with the DPSC-only and DPSC + ET-1 culture groups at all four time points. However, expression levels in the DPSC + ET-1 group were not downregulated as notably as in the co-culture groups on days 14 and 21. The Transwell group exhibited the greatest ability for odontoblastic differentiation compared with the other groups according to staining with Alizarin Red S, immunofluorescence and western blot analysis results. According to the results of the present study, the culture solution with HUVECs affected the differentiation of DPSCs. In addition, ET-1 may promote the odontoblastic differentiation of DPSCs.
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Affiliation(s)
- Mingyue Liu
- Department of Prosthodontics, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Lin Zhao
- Department of Stomatology, Dezhou People's Hospital, Dezhou, Shandong 253000, P.R. China
| | - Junlong Hu
- Department of Neurosurgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Lihua Wang
- Department of Stomatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Ning Li
- Department of Cardiology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Di Wu
- Department of Prosthodontics, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Xin Shi
- Department of Prosthodontics, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Mengtong Yuan
- Department of Prosthodontics, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Weiping Hu
- Department of Prosthodontics, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
| | - Xiaofeng Wang
- Department of Stomatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150086, P.R. China
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Park SH, Eber MR, Widner DB, Shiozawa Y. Role of the Bone Microenvironment in the Development of Painful Complications of Skeletal Metastases. Cancers (Basel) 2018; 10:cancers10050141. [PMID: 29747461 PMCID: PMC5977114 DOI: 10.3390/cancers10050141] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 01/02/2023] Open
Abstract
Cancer-induced bone pain (CIBP) is the most common and painful complication in patients with bone metastases. It causes a significant reduction in patient quality of life. Available analgesic treatments for CIBP, such as opioids that target the central nervous system, come with severe side effects as well as the risk of abuse and addiction. Therefore, alternative treatments for CIBP are desperately needed. Although the exact mechanisms of CIBP have not been fully elucidated, recent studies using preclinical models have demonstrated the role of the bone marrow microenvironment (e.g., osteoclasts, osteoblasts, macrophages, mast cells, mesenchymal stem cells, and fibroblasts) in CIBP development. Several clinical trials have been performed based on these findings. CIBP is a complex and challenging condition that currently has no standard effective treatments other than opioids. Further studies are clearly warranted to better understand this painful condition and develop more effective and safer targeted therapies.
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Affiliation(s)
- Sun H Park
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Matthew R Eber
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - D Brooke Widner
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
| | - Yusuke Shiozawa
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC 27157, USA.
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Han MM, Yang CW, Cheung CW, Li J. Blockage of spinal endothelin A receptors attenuates bone cancer pain via regulation of the Akt/ERK signaling pathway in mice. Neuropeptides 2018; 68:36-42. [PMID: 29395120 DOI: 10.1016/j.npep.2018.01.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/17/2017] [Accepted: 01/21/2018] [Indexed: 10/18/2022]
Abstract
Bone cancer pain (BCP) is a common source of pain in patients with advanced stage and metastatic cancer; however, existing treatment for this kind of pain remains deficient. Being closely related to sensory change and inflammatory pain in both the central and peripheral nervous systems, endothelin A receptor (ETAR) plays an essential role in pain processing. As a result, ETAR antagonist has been reported to alleviate both neuropathic and inflammatory pain. Thus far, the role of ETAR in the process of BCP is still ambiguous. In this study, by using a BCP mouse model, the analgesic effect and molecular mechanism of the ETAR antagonist BQ-123 was investigated. Pain sensation in the BCP mouse model was investigated by the number of spontaneous flinches (NSF) and pain withdrawal threshold (PWT), and the mechanism of BCP was assessed by measuring p-Akt, p-Akt/t-Akt, p-ERK-1/2 and p-ERK-1/2/t-ERK-1/2 levels in L4-6 segments of the spinal cord. Our results demonstrated that BCP mice showed a higher NSF and a lower PWT score than Sham mice. In addition to the development of nociceptive sensitization, p-Akt, p-Akt/t-Akt, p-ERK-1/2 and p-ERK-1/2/t-ERK-1/2 were up-regulated correspondingly in L4-6 segments of the spinal cord in BCP mice. BQ-123 treatment showed a promising analgesic effect, and the effect was correlated to the down-regulation of p-Akt, p-Akt/t-Akt, p-ERK-1/2 and p-ERK-1/2/t-ERK-1/2 in spinal cord cells. The results suggested that intrathecal administration of BQ-123 was able to relieve BCP in mice as a consequence of suppressing the Akt and ERK signalling pathways.
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Affiliation(s)
- Ming-Ming Han
- School of Medicine, Shandong University, Jinan, Shandong, China; Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China
| | - Cheng-Wei Yang
- School of Medicine, Shandong University, Jinan, Shandong, China; Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China
| | - Chi-Wai Cheung
- Department of Anesthesiology, The University of Hong Kong, Hong Kong, China; Laboratory and Clinical Research Institute for Pain, The University of Hong Kong, Hong Kong, China; Research Center of Heart, Brain, Hormone and Healthy Aging, The University of Hong Kong, Hong Kong, China
| | - Juan Li
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; School of Medicine, Shandong University, Jinan, Shandong, China.
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Gomes LO, Chichorro JG, Araya EI, de Oliveira J, Rae GA. Facial hyperalgesia due to direct action of endothelin-1 in the trigeminal ganglion of mice. J Pharm Pharmacol 2018; 70:893-900. [DOI: 10.1111/jphp.12905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Accepted: 02/10/2018] [Indexed: 12/23/2022]
Abstract
Abstract
Objective
This study assessed the ability of endothelin-1 (ET-1) to evoke heat hyperalgesia when injected directly into the trigeminal ganglia (TG) of mice and determined the receptors implicated in this effect. The effects of TG ETA and ETB receptor blockade on alleviation of heat hyperalgesia in a model of trigeminal neuropathic pain induced by infraorbital nerve constriction (CION) were also examined.
Methods
Naive mice received an intraganglionar (i.g.) injection of ET-1 (0.3–3 pmol) or the selective ETBR agonist sarafotoxin S6c (3–30 pmol), and response latencies to ipsilateral heat stimulation were assessed before the treatment and at 1-h intervals up to 5 h after the treatment. Heat hyperalgesia induced by i.g. ET-1 or CION was assessed after i.g. injections of ETAR and ETBR antagonists (BQ-123 and BQ-788, respectively, each at 0.5 nmol).
Key findings
Intraganglionar ET-1 or sarafotoxin S6c injection induced heat hyperalgesia lasting 4 and 2 h, respectively. Heat hyperalgesia induced by ET-1 was attenuated by i.g. BQ-123 or BQ-788. On day 5 after CION, i.g. BQ-788 injection produced a more robust antihyperalgesic effect compared with BQ-123.
Conclusions
ET-1 injection into the TG promotes ETAR/ETBR-mediated facial heat hyperalgesia, and both receptors are clearly implicated in CION-induced hyperalgesia in the murine TG system.
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Affiliation(s)
- Lenyta Oliveira Gomes
- Department of Pharmacology, Center of Biological Sciences, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - Juliana Geremias Chichorro
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil
| | - Erika Ivanna Araya
- Department of Pharmacology, Biological Sciences Sector, Federal University of Parana, Curitiba, Parana, Brazil
| | - Jade de Oliveira
- Department of Biochemistry, Center of Biological Sciences, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
| | - Giles Alexander Rae
- Department of Pharmacology, Center of Biological Sciences, Federal University of Santa Catarina, Florianopolis, Santa Catarina, Brazil
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Abstract
Metastatic bone pain is a complex, poorly understood process. Understanding the unique mechanisms causing cancer-induced bone pain may lead to potential therapeutic targets. This article discusses the effects of osteoclast overstimulation within the tumor microenvironment; the role of inflammatory factors at the tumor-nociceptor interface; the development of structural instability, causing mechanical nerve damage; and, ultimately, the neuroplastic changes in the setting of sustained pain. Several adjuvant therapies are available to attenuate metastatic bone pain. This article discusses the role of pharmacologic therapies, surgery, kyphoplasty, vertebroplasty, and radiofrequency ablation.
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Affiliation(s)
- Nicholas Figura
- Department of Radiation Oncology, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA.
| | - Joshua Smith
- Department of Supportive Care Medicine, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA
| | - Hsiang-Hsuan Michael Yu
- Department of Radiation Oncology, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA
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Cholinergic responses of satellite glial cells in the superior cervical ganglia. Neurosci Lett 2018; 671:19-24. [PMID: 29391220 DOI: 10.1016/j.neulet.2018.01.051] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 01/01/2018] [Accepted: 01/25/2018] [Indexed: 11/21/2022]
Abstract
Satellite glial cells (SGCs) surround the neurons in sympathetic ganglia and are believed to make important contributions to the function of the ganglia under normal and pathological conditions. It has been proposed that SGCs communicate chemically with the neurons, but little is known about their pharmacological properties and there is no information on whether they respond to acetylcholine (ACh), which is the major neurotransmitter in these ganglia. We used calcium imaging to examine responses of SGCs in the mouse superior cervical ganglion to ACh. The SGCs responded to ACh (0.01-2 mM) with an elevation of intracellular Ca2+, which appeared to be due to direct action on these cells, as the response persisted in the presence of the nerve blocker tetrodotoxin (1 μM). The response was largely inhibited by atropine, indicating an action on muscarinic ACh receptors. In contrast to this, sensory ganglia (nodose and trigeminal) were not sensitive to ACh. Incubation of the ganglia in ACh (0.5 or 1 mM) increased the expression of glial fibrillay acidic protein, which is a marker for glial activation. Such incubation also increased the electrical coupling of SGCs, which is known to occur in sensory ganglia following injury. We conclude that SGCs in the superior cervical ganglia display muscarinic ACh receptors, which enable them to communicate chemically with the sympathetic neurons.
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Pannese E. Biology and Pathology of Perineuronal Satellite Cells in Sensory Ganglia. BIOLOGY AND PATHOLOGY OF PERINEURONAL SATELLITE CELLS IN SENSORY GANGLIA 2018. [DOI: 10.1007/978-3-319-60140-3_1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Blockade of endothelin receptors reduces tumor-induced ongoing pain and evoked hypersensitivity in a rat model of facial carcinoma induced pain. Eur J Pharmacol 2018; 818:132-140. [DOI: 10.1016/j.ejphar.2017.10.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/18/2017] [Accepted: 10/20/2017] [Indexed: 12/11/2022]
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Souza RFD, Oliveira LLD, Nones CFM, dos Reis RC, Araya EI, Kopruszinski CM, Rae GA, Chichorro JG. Mechanisms involved in facial heat hyperalgesia induced by endothelin-1 in female rats. Arch Oral Biol 2017; 83:297-303. [DOI: 10.1016/j.archoralbio.2017.08.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 08/17/2017] [Accepted: 08/27/2017] [Indexed: 01/29/2023]
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Strang P, Bergqvist J. Does palliative chemotherapy provide a palliative effect on symptoms in late palliative stages? An interview study with oncologists. Acta Oncol 2017; 56:1258-1264. [PMID: 28578604 DOI: 10.1080/0284186x.2017.1332426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND The possible chemotherapy effects on symptoms in late stages of palliative chemotherapy are seldom registered in clinical practice or investigated as primary outcomes. The aim was therefore to study physicians' opinions and experiences about chemotherapy effects on symptoms. MATERIAL AND METHODS Thirty-five physicians (mainly oncologists) with variation as regards age, gender and experience were included in a qualitative study with semi-structured interviews. A qualitative content analysis was used for the 30-60 min long interviews. RESULTS According to all the informants, symptoms were possible to control in successful cases but the chances reduce rapidly with the number of chemotherapy lines. Symptoms possible to control included various types of pain (bone pain, neuropathic cranial as well as meningeal nerve pain, colic pain, "liver" pain, headache and pain from cutaneous metastases); nausea and vomiting caused by obstruction; dyspnoea due to pleural effusions or bronchial obstructions. Also fatigue and B-symptoms were possible targets, as were diagnosis-specific symptom clusters (e.g., liver metastasis causing pain, nausea, tumour fever and night sweats; or head-neck cancers resulting in nerve pain, ulcerations, odour, dysphagia and impaired breathing). Some of the oncologists discussed whether the effects were related to chemotherapy treatment only or partly to premedication with steroids. Despite the claimed effects, the physicians did not keep record on symptoms, they did not evaluate them with validated instruments. CONCLUSIONS Palliative chemotherapy has a substantial potential to reduce agonizing symptoms especially in first line treatments, but the effect is limited in late stages. The actual awareness of and knowledge about situations where the treatment has a reasonable potential, should be improved and symptoms should be monitored during treatment.
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Affiliation(s)
- Peter Strang
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
- Department of Research and Development, Stockholms Sjukhem Foundation, Stockholm, Sweden
| | - Jenny Bergqvist
- Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden
- Department of Surgery, Capio St Görans Sjukhus, Stockholm, Sweden
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Feldman-Goriachnik R, Hanani M. The effects of endothelin-1 on satellite glial cells in peripheral ganglia. Neuropeptides 2017; 63:37-42. [PMID: 28342550 DOI: 10.1016/j.npep.2017.03.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 03/01/2017] [Accepted: 03/16/2017] [Indexed: 11/21/2022]
Abstract
Endothelins (ET) are a family of highly active neuropeptides with manifold influences via ET receptors (ETR) in both the peripheral and central nervous systems. We have shown previously that satellite glial cells (SGCs) in mouse trigeminal ganglia (TG) are extremely sensitive to ET-1 in evoking [Ca2+]in increase, apparently via ETBR activation, but there is no functional information on ETR in SGCs of other peripheral ganglia. Here we tested the effects of ET-1 on SGCs in nodose ganglia (NG), which is sensory, and superior cervical ganglia (Sup-CG), which is part of the sympathetic nervous system, and further investigated the influence of ET-1 on SGCs in TG. Using calcium imaging we found that SGCs in intact, freshly isolated NG and Sup-CG are highly sensitive to ET-1, with threshold concentration at 0.1nM. Our results showed that [Ca2+]in elevation in response to ET-1 was partially due to Ca2+ influx from the extracellular space and partially to Ca2+ release from intracellular stores. Using receptor selective ETR agonists and antagonists, we found that the responses were mediated by mixed ETAR/ETBR in SGCs of NG and predominantly by ETBR in SGCs of Sup-CG. By employing intracellular dye injection we examined coupling among SGCs around different neurons in the presence of 5nM ET-1 and observed coupling inhibition in all the three ganglion types. In summary, our work showed that SGCs in mouse sensory and sympathetic ganglia are highly sensitive to ET-1 and that this peptide markedly reduces SGCs coupling. We conclude that ET-1, which may participate in neuron-glia communications, has similar functions in wide range of peripheral ganglia.
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Affiliation(s)
- Rachel Feldman-Goriachnik
- Laboratory of Experimental Surgery, Hadassah-Hebrew University Medical Center, Mount Scopus, Jerusalem 91240, Israel
| | - Menachem Hanani
- Laboratory of Experimental Surgery, Hadassah-Hebrew University Medical Center, Mount Scopus, Jerusalem 91240, Israel.
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Ersig AL, Schutte DL, Standley J, Leslie E, Zimmerman B, Kleiber C, Hanrahan K, Murray JC, McCarthy AM. Relationship of Genetic Variants With Procedural Pain, Anxiety, and Distress in Children. Biol Res Nurs 2017; 19:339-349. [PMID: 28413930 DOI: 10.1177/1099800417692878] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE This study used a candidate gene approach to examine genomic variation associated with pain, anxiety, and distress in children undergoing a medical procedure. STUDY DESIGN Children aged 4-10 years having an IV catheter insertion were recruited from three Midwestern children's hospitals. Self-report measures of pain, anxiety, and distress were obtained as well as an observed measure of distress. Samples were collected from children and biological parents for analysis of genomic variation. Genotyped variants had known or suspected association with phenotypes of interest. Analyses included child-only association and family-based transmission disequilibrium tests. RESULTS Genotype and phenotype data were available from 828 children and 376 family trios. Children were 50% male, had a mean age of 7.2 years, and were 84% White/non-Hispanic. In family-based analysis, one single-nucleotide polymorphism (SNP; rs1143629, interleukin ( IL1B) 1β) was associated with observed child distress at Bonferroni-corrected levels of significance ( p = .00013), while two approached significance for association with high state anxiety (rs6330 Nerve Growth Factor, Beta Subunit, [ NGFB]) and high trait anxiety (rs6265 brain-derived neurotrophic factor [ BDNF]). In the child-only analysis, multiple SNPs showed nominal evidence of relationships with phenotypes of interest. rs6265 BDNF and rs2941026 cholecystokinin B receptor had possible relationships with trait anxiety in child-only and family-based analyses. CONCLUSIONS Exploring genomic variation furthers our understanding of pain, anxiety, and distress and facilitates genomic screening to identify children at high risk of procedural pain, anxiety, and distress. Combined with clinical observations and knowledge, such explorations could help guide tailoring of interventions to limit procedure-related distress and identify genes and pathways of interest for future genotype-phenotype studies.
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Affiliation(s)
- Anne L Ersig
- 1 College of Nursing, The University of Iowa, Iowa City, IA, USA
| | - Debra L Schutte
- 2 College of Nursing, Wayne State University, Detroit, MI, USA
| | | | - Elizabeth Leslie
- 4 School of Dental Medicine, The University of Pittsburgh, Pittsburgh, PA, USA
| | - Bridget Zimmerman
- 5 College of Public Health, The University of Iowa, Iowa City, IA, USA
| | | | - Kirsten Hanrahan
- 6 The University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Jeffrey C Murray
- 3 College of Medicine, The University of Iowa, Iowa City, IA, USA
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36
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Farajdokht F, Babri S, Karimi P, Alipour MR, Bughchechi R, Mohaddes G. Chronic ghrelin treatment reduced photophobia and anxiety-like behaviors in nitroglycerin- induced migraine: role of pituitary adenylate cyclase-activating polypeptide. Eur J Neurosci 2017; 45:763-772. [DOI: 10.1111/ejn.13486] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 11/19/2016] [Accepted: 11/21/2016] [Indexed: 11/27/2022]
Affiliation(s)
- Fereshteh Farajdokht
- Neurosciences Research Center (NSRC); Tabriz University of Medical Sciences; Tabriz Iran
- Student Research Committee of Tabriz University of Medical Sciences; Tabriz Iran
| | - Shirin Babri
- Neurosciences Research Center (NSRC); Tabriz University of Medical Sciences; Tabriz Iran
| | - Pouran Karimi
- Neurosciences Research Center (NSRC); Tabriz University of Medical Sciences; Tabriz Iran
| | | | - Ramin Bughchechi
- Neurosciences Research Center (NSRC); Tabriz University of Medical Sciences; Tabriz Iran
| | - Gisou Mohaddes
- Neurosciences Research Center (NSRC); Tabriz University of Medical Sciences; Tabriz Iran
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37
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Fattori V, Serafim KGG, Zarpelon AC, Borghi SM, Pinho-Ribeiro FA, Alves-Filho JC, Cunha TM, Cunha FQ, Casagrande R, Verri WA. Differential regulation of oxidative stress and cytokine production by endothelin ET A and ET B receptors in superoxide anion-induced inflammation and pain in mice. J Drug Target 2016; 25:264-274. [PMID: 27701898 DOI: 10.1080/1061186x.2016.1245308] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The present study investigated whether endothelin-1 acts via ETA or ETB receptors to mediate superoxide anion-induced pain and inflammation. Mice were treated with clazosentan (ETA receptor antagonist) or BQ-788 (ETB receptor antagonist) prior to stimulation with the superoxide anion donor, KO2. Intraplantar treatment with 30 nmol of clazosentan or BQ-788 reduced mechanical hyperalgesia (47% and 42%), thermal hyperalgesia (68% and 76%), oedema (50% and 30%); myeloperoxidase activity (64% and 32%), and overt-pain like behaviours, such as paw flinching (42% and 42%) and paw licking (38% and 62%), respectively. Similarly, intraperitoneal treatment with 30 nmol of clazosentan or BQ-788 reduced leukocyte recruitment to the peritoneal cavity (58% and 32%) and abdominal writhing (81% and 77%), respectively. Additionally, intraplantar treatment with clazosentan or BQ-788 decreased spinal (45% and 41%) and peripheral (47% and 47%) superoxide anion production as well as spinal (47% and 47%) and peripheral (33% and 54%) lipid peroxidation, respectively. Intraplantar treatment with clazosentan, but not BQ-788, reduced spinal (71%) and peripheral (51%) interleukin-1 beta as well as spinal (59%) and peripheral (50%) tumor necrosis factor-alpha production. Therefore, the present study unveils the differential mechanisms by which ET-1, acting on ETA or ETB receptors, regulates superoxide anion-induced inflammation and pain.
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Affiliation(s)
- Victor Fattori
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Karla G G Serafim
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Ana C Zarpelon
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Sergio M Borghi
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Felipe A Pinho-Ribeiro
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - José C Alves-Filho
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Thiago M Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Fernando Q Cunha
- b Departamento de Farmacologia, Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , Brazil
| | - Rúbia Casagrande
- c Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde , Universidade Estadual de Londrina , Londrina , Brazil
| | - Waldiceu A Verri
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
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Abstract
Most cancer patients experience severe pain during their disease course, and the management of cancer pain is a major challenge for patients and the healthcare team. Many diverse translational models of cancer pain in recent years have improved our understanding of cancer-related pain. Cancer and associated cells in the cancer microenvironment may release various peripheral mediators, including ATP, formaldehyde, protons, proteases, endothelin, bradykinin, TNF and NGF, that result in the activation and/or sensitization of peripheral and central neurons, that contribute to the clinical manifestations of cancer-related pain. Identification of these mediators and the peripheral and central mechanisms by which they contribute to cancer-related pain may provide novel therapeutic targets to alleviate cancer patient suffering.
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Affiliation(s)
- David K Lam
- Oral & Maxillofacial Surgery, University of Toronto, Toronto, ON, Canada
- University of Toronto Centre for the Study of Pain, University of Toronto, Toronto, ON, Canada
- Dental Oncology, Maxillofacial & Ocular Prosthetics, Princess Margaret Cancer Centre, Toronto, ON, Canada
- Wasser Pain Management Centre, Mount Sinai Hospital, Toronto, ON, Canada
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Tsuzuki S, Park SH, Eber MR, Peters CM, Shiozawa Y. Skeletal complications in cancer patients with bone metastases. Int J Urol 2016; 23:825-832. [PMID: 27488133 DOI: 10.1111/iju.13170] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 06/07/2016] [Indexed: 12/13/2022]
Abstract
As a result of significant improvements in current therapies, the life expectancy of cancer patients with bone metastases has dramatically improved. Unfortunately, these patients often experience skeletal complications that significantly impair their quality of life. The major skeletal complications associated with bone metastases include: cancer-induced bone pain, hypercalcemia, pathological bone fractures, metastatic epidural spinal cord compression and cancer cachexia. Once cancer cells invade the bone, they perturb the normal physiology of the marrow microenvironment, resulting in bone destruction, which is believed to be a direct cause of skeletal complications. However, full understanding of the mechanisms responsible for these complications remains unknown. In the present review, we discuss the complications associated with bone metastases along with matched conventional therapeutic strategies. A better understanding of this topic is crucial, as targeting skeletal complications can improve both the morbidity and mortality of patients suffering from bone metastases.
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Affiliation(s)
- Shunsuke Tsuzuki
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Sun Hee Park
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Matthew R Eber
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Christopher M Peters
- Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Yusuke Shiozawa
- Department of Cancer Biology and Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
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40
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Bhalla S, Andurkar SV, Gulati A. Neurobiology of opioid withdrawal: Role of the endothelin system. Life Sci 2016; 159:34-42. [DOI: 10.1016/j.lfs.2016.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/06/2016] [Accepted: 01/11/2016] [Indexed: 02/04/2023]
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Wang HC, Cheng KI, Chou CW, Kwan AL, Chang LL. Intrathecal CGS-26303 Pretreatment Attenuates Spinal Nerve Ligation-Induced Neuropathic Pain in the Spinal Cord. World Neurosurg 2016; 91:532-541.e1. [DOI: 10.1016/j.wneu.2016.02.093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/22/2016] [Accepted: 02/24/2016] [Indexed: 01/06/2023]
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Bas DB, Su J, Wigerblad G, Svensson CI. Pain in rheumatoid arthritis: models and mechanisms. Pain Manag 2016; 6:265-84. [PMID: 27086843 DOI: 10.2217/pmt.16.4] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Pain is one of the most challenging symptoms for patients with rheumatoid arthritis (RA). RA-related pain is frequently considered to be solely a consequence of inflammation in the joints; however, recent studies show that multiple mechanisms are involved. Indeed, RA pain may start even before the disease manifests, and frequently does not correlate with the degree of inflammation or pharmacological management. In this aspect, animal studies have the potential to provide new insights into the pathology that initiate and maintain pain in RA. The focus of this review is to describe the most commonly used animal models for studies of RA pathology, which have also been utilized in pain research, and to summarize findings providing potential clues to the mechanisms involved in the regulation of RA-induced pain.
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Affiliation(s)
- Duygu B Bas
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Jie Su
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Gustaf Wigerblad
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Camilla I Svensson
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm 171 77, Sweden
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Tang Y, Peng H, Liao Q, Gan L, Zhang R, Huang L, Ding Z, Yang H, Yan X, Gu Y, Zang X, Huang D, Cao S. Study of breakthrough cancer pain in an animal model induced by endothelin-1. Neurosci Lett 2016; 617:108-15. [PMID: 26828300 DOI: 10.1016/j.neulet.2016.01.053] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 12/03/2015] [Accepted: 01/26/2016] [Indexed: 01/05/2023]
Abstract
Cancer patients with bone metastases often suffer breakthrough pain. However, little progress has been made in the treatment of breakthrough pain and its associated mechanism(s) in the patient with cancer due to lacking of resembling and predictive animal models. We previously have demonstrated that endothelin-1 plays an important role in breakthrough cancer pain. In the present study, we have established an animal model of breakthrough cancer pain induced by endothelin-1. The animal model of breakthrough cancer pain is strictly followed the definition and meets the characteristics of breakthrough pain. The model is reliable, reproducible and easy to be produced. To our knowledge, this is the first report for establishing such an animal model. In addition, we also found that a selective ETA receptor antagonist BQ-123 could reverse endothelin-1 induced breakthrough pain. We further studied the characteristics of pain behaviors such as hind limb use score and voluntary wheel running as well as the electrophysiology of sciatic nerve fibers with the model. The murine model shows high resemblance compared to the breakthrough cancer pain in the patients with cancer clinically. It provides a platform for further study of the pathogenesis of breakthrough cancer pain and targeted intervention.
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Affiliation(s)
- Yixun Tang
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Hao Peng
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Qian Liao
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Li Gan
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Raoxiang Zhang
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Lihua Huang
- Medical Experimental Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Zhigang Ding
- Medical Experimental Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Hui Yang
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Xuebin Yan
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China
| | - Yonghong Gu
- Department of Pathology, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xiaofang Zang
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Dong Huang
- Department of Pain, The Third Xiangya Hospital and Institute of Pain Medicine, Central South University, Changsha, Hunan Province, China.
| | - Shousong Cao
- Department of Pharmacology, School of Pharmacy, Sichuan Medical University, Luzhou, Sichuan Province, China; Visiting Professor, Central South University, Changsha, Hunan Province, China.
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Thompson ML, Jimenez-Andrade JM, Chartier S, Tsai J, Burton EA, Habets G, Lin PS, West BL, Mantyh PW. Targeting cells of the myeloid lineage attenuates pain and disease progression in a prostate model of bone cancer. Pain 2015; 156:1692-1702. [PMID: 25993548 PMCID: PMC4545688 DOI: 10.1097/j.pain.0000000000000228] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Tumor cells frequently metastasize to bone where they can generate cancer-induced bone pain (CIBP) that can be difficult to fully control using available therapies. Here, we explored whether PLX3397, a high-affinity small molecular antagonist that binds to and inhibits phosphorylation of colony-stimulating factor-1 receptor, the tyrosine-protein kinase c-Kit, and the FMS-like tyrosine kinase 3, can reduce CIBP. These 3 targets all regulate the proliferation and function of a subset of the myeloid cells including macrophages, osteoclasts, and mast cells. Preliminary experiments show that PLX3397 attenuated inflammatory pain after formalin injection into the hind paw of the rat. As there is an inflammatory component in CIBP, involving macrophages and osteoclasts, the effect of PLX3397 was explored in a prostate model of CIBP where skeletal pain, cancer cell proliferation, tumor metastasis, and bone remodeling could be monitored in the same animal. Administration of PLX3397 was initiated on day 14 after prostate cancer cell injection when the tumor was well established, and tumor-induced bone remodeling was first evident. Over the next 6 weeks, sustained administration of PLX3397 attenuated CIBP behaviors by approximately 50% and was equally efficacious in reducing tumor cell growth, formation of new tumor colonies in bone, and pathological tumor-induced bone remodeling. Developing a better understanding of potential effects that analgesic therapies have on the tumor itself may allow the development of therapies that not only better control the pain but also positively impact disease progression and overall survival in patients with bone cancer.
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Affiliation(s)
- Michelle L. Thompson
- Department of Pharmacology, Arizona Cancer Center, University of Arizona, 1501 N. Campbell Ave, Tucson, AZ 85724, USA
| | - Juan Miguel Jimenez-Andrade
- Department of Pharmacology, Arizona Cancer Center, University of Arizona, 1501 N. Campbell Ave, Tucson, AZ 85724, USA
| | - Stephane Chartier
- Department of Pharmacology, Arizona Cancer Center, University of Arizona, 1501 N. Campbell Ave, Tucson, AZ 85724, USA
| | - James Tsai
- Plexxikon, Inc., 91 Bolivar Drive, Berkeley, CA 94710, USA
| | | | - Gaston Habets
- Plexxikon, Inc., 91 Bolivar Drive, Berkeley, CA 94710, USA
| | - Paul S. Lin
- Plexxikon, Inc., 91 Bolivar Drive, Berkeley, CA 94710, USA
| | - Brian L. West
- Plexxikon, Inc., 91 Bolivar Drive, Berkeley, CA 94710, USA
| | - Patrick W. Mantyh
- Department of Pharmacology, Arizona Cancer Center, University of Arizona, 1501 N. Campbell Ave, Tucson, AZ 85724, USA
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Serafim KGG, Navarro SA, Zarpelon AC, Pinho-Ribeiro FA, Fattori V, Cunha TM, Alves-Filho JC, Cunha FQ, Casagrande R, Verri WA. Bosentan, a mixed endothelin receptor antagonist, inhibits superoxide anion-induced pain and inflammation in mice. Naunyn Schmiedebergs Arch Pharmacol 2015; 388:1211-21. [PMID: 26246053 DOI: 10.1007/s00210-015-1160-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 07/27/2015] [Indexed: 01/24/2023]
Abstract
Bosentan is a mixed endothelin receptor antagonist widely used to treat patients with pulmonary arterial hypertension, and the emerging literature suggests bosentan as a potent anti-inflammatory drug. Superoxide anion is produced in large amounts during inflammation, stimulates cytokine production, and thus contributes to inflammation and pain. However, it remains to be determined whether endothelin contributes to the inflammatory response triggered by the superoxide anion. The present study investigated the effects of bosentan in a mouse model of inflammation and pain induced by potassium superoxide, a superoxide anion donor. Male Swiss mice were treated with bosentan (10-100 mg/kg) by oral gavage, 1 h before potassium superoxide injection, and the inflammatory response was evaluated locally and at spinal cord (L4-L6) levels. Bosentan (100 mg/kg) inhibited superoxide anion-induced mechanical and thermal hyperalgesia, overt pain-like behavior (abdominal writhings, paw flinching, and licking), paw edema, myeloperoxidase activity (neutrophil marker) in the paw skin, and leukocyte recruitment in the peritoneal cavity. Bosentan also inhibited superoxide anion-induced interleukin-1 beta (IL-1β) and tumor necrosis factor alpha (TNF-α) production, while it enhanced IL-10 production in the paw skin and spinal cord. Bosentan inhibited the reduction of antioxidant capacity (reduced glutathione, ferric reducing antioxidant power, and ABTS radical scavenging ability) induced by the superoxide anion. Finally, we demonstrated that intraplantar injection of potassium superoxide induces the mRNA expression of prepro-endothelin-1 in the paw skin and spinal cord. In conclusion, our results demonstrated that superoxide anion-induced inflammation, pain, cytokine production, and oxidative stress depend on endothelin; therefore, these responses are amenable to bosentan treatment.
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Affiliation(s)
- Karla G G Serafim
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil
| | - Suelen A Navarro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil
| | - Ana C Zarpelon
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Av. Bandeirantes, 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Centro de Ciências da Saúde, Hospital Universitário, Universidade Estadual de Londrina, Av. Robert Koch, 60, Londrina, Paraná, 86038-350, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid PR445 KM380, Londrina, Paraná, 86057-970, Brazil.
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Lutz B, Meiler SE, Bekker A, Tao YX. Updated Mechanisms of Sickle Cell Disease-Associated Chronic pain. TRANSLATIONAL PERIOPERATIVE AND PAIN MEDICINE 2015; 2:8-17. [PMID: 26301256 PMCID: PMC4542088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Sickle cell disease (SCD), a hemoglobinopathy, causes sickling of red blood cells, resulting in vessel blockage, stroke, anemia, inflammation, and extreme pain. A vast majority of SCD patients experience pain on a chronic basis, and many turn to opioids to provide limited relief. The side effects that come with chronic opioid use push for research into understanding the specific mechanisms of SCD-associated chronic pain. Current advances in SCD-associated pain have focused on alterations in the pain pathway including nociceptor sensitization and endogenous pain inducers. This article reviews the underlying pathophysiology of SCD, potential pain mechanisms, current treatments and their mechanism of action, and future directions of SCD-associated pain management. The information provided could help propel research in SCD-associated chronic pain and uncover novel treatment options for clinicians.
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Affiliation(s)
- Brianna Lutz
- Department of Anesthesiology, Rutgers Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Steffen E. Meiler
- Department of Anesthesiology and Perioperative Medicine, Georgia Regents University, Augusta, GA, USA
| | - Alex Bekker
- Department of Anesthesiology, Rutgers Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
| | - Yuan-Xiang Tao
- Department of Anesthesiology, Rutgers Graduate School of Biomedical Sciences, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
- Departments of Cell Biology & Molecular Medicine, Pharmacology & Physiology, and Neurology & Neuroscience, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
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Szteyn K, Gomez R, Berg KA, Jeske NA. Divergence in endothelin-1- and bradykinin-activated store-operated calcium entry in afferent sensory neurons. ASN Neuro 2015; 7:7/2/1759091415578714. [PMID: 25873305 PMCID: PMC4397213 DOI: 10.1177/1759091415578714] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Endothelin-1 (ET-1) and bradykinin (BK) are endogenous peptides that signal through Gαq/11-protein coupled receptors (GPCRs) to produce nociceptor sensitization and pain. Both peptides activate phospholipase C to stimulate Ca2+ accumulation, diacylglycerol production, and protein kinase C activation and are rapidly desensitized via a G-protein receptor kinase 2-dependent mechanism. However, ET-1 produces a greater response and longer lasting nocifensive behavior than BK in multiple models, indicating a potentially divergent signaling mechanism in primary afferent sensory neurons. Using cultured sensory neurons, we demonstrate significant differences in both Ca2+ influx and Ca2+ release from intracellular stores following ET-1 and BK treatments. As intracellular store depletion may contribute to the regulation of other signaling cascades downstream of GPCRs, we concentrated our investigation on store-operated Ca2+ channels. Using pharmacological approaches, we identified transient receptor potential canonical channel 3 (TRPC3) as a dominant contributor to Ca2+ influx subsequent to ET-1 treatment. On the other hand, BK treatment stimulated Orai1 activation, with only minor input from TRPC3. Taken together, data presented here suggest that ET-1 signaling targets TRPC3, generating a prolonged Ca2+ signal that perpetuates nocifensive responses. In contrast, Orai1 dominates as the downstream target of BK receptor activation and results in transient intracellular Ca2+ increases and abridged nocifensive responses.
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Affiliation(s)
- Kalina Szteyn
- Department of Oral and Maxillofacial Surgery, University of Texas Health Science Center at San Antonio, TX, USA
| | - Ruben Gomez
- Department of Oral and Maxillofacial Surgery, University of Texas Health Science Center at San Antonio, TX, USA
| | - Kelly A Berg
- Department of Pharmacology, University of Texas Health Science Center at San Antonio, TX, USA
| | - Nathaniel A Jeske
- Department of Oral and Maxillofacial Surgery, University of Texas Health Science Center at San Antonio, TX, USA Department of Pharmacology, University of Texas Health Science Center at San Antonio, TX, USA Department of Physiology, University of Texas Health Science Center at San Antonio, TX, USA
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49
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Costa FAL, Moreira Neto FL. Células gliais satélite de gânglios sensitivos: o seu papel na dor. Braz J Anesthesiol 2015; 65:73-81. [DOI: 10.1016/j.bjan.2013.07.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 07/15/2013] [Indexed: 10/25/2022] Open
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50
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Hua B, Gao Y, Kong X, Yang L, Hou W, Bao Y. New insights of nociceptor sensitization in bone cancer pain. Expert Opin Ther Targets 2014; 19:227-43. [PMID: 25547644 DOI: 10.1517/14728222.2014.980815] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Numerous studies have shown that an intact CNS is required for the conscious perception of cancer-induced bone pain (CIBP) and that changes in the CNS are clearly evident. Accordingly, the blockage of nociceptive stimulus into the CNS can effectively relieve or markedly attenuate CIBP, revealing the clinical implication of the blockage of ongoing peripheral inputs for the control of CIBP. AREAS COVERED In this review, the heterogeneity and excitability of nociceptors in bone are covered. Furthermore, their role in initiating and maintaining CIBP is also described. EXPERT OPINION Developing mechanistic therapies to treat CIBP is a challenge, but they have the potential to fundamentally change our ability to effectively block/relieve CIBP and increase the functional status and quality of life of patients with bone metastasis. Further studies are desperately needed at both the preclinical and clinical levels to determine whether the targets as mentioned in this review are viable and feasible for patient populations.
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Affiliation(s)
- Baojin Hua
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Department of Oncology , Beixiange 5, Xicheng District, Beijing 100053 , China +86 10 88001221 ; +86 10 88001340 ;
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