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Roy A, Segond von Banchet G, Gimeno-Ferrer F, König C, Eitner A, Ebersberger A, Ebbinghaus M, Leuchtweis J, Schaible HG. Impact of Interleukin-6 Activation and Arthritis on Epidermal Growth Factor Receptor (EGFR) Activation in Sensory Neurons and the Spinal Cord. Int J Mol Sci 2024; 25:7168. [PMID: 39000275 PMCID: PMC11241234 DOI: 10.3390/ijms25137168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 06/25/2024] [Accepted: 06/26/2024] [Indexed: 07/16/2024] Open
Abstract
In tumor cells, interleukin-6 (IL-6) signaling can lead to activation of the epidermal growth factor receptor (EGFR), which prolongs Stat3 activation. In the present experiments, we tested the hypothesis that IL-6 signaling activates EGFR signaling in peripheral and spinal nociception and examined whether EGFR localization and activation coincide with pain-related behaviors in arthritis. In vivo in anesthetized rats, spinal application of the EGFR receptor blocker gefitinib reduced the responses of spinal cord neurons to noxious joint stimulation, but only after spinal pretreatment with IL-6 and soluble IL-6 receptor. Using Western blots, we found that IL-6-induced Stat3 activation was reduced by gefitinib in microglial cells of the BV2 cell line, but not in cultured DRG neurons. Immunohistochemistry showed EGFR localization in most DRG neurons from normal rats, but significant downregulation in the acute and most painful arthritis phase. In the spinal cord of mice, EGFR was highly activated mainly in the chronic phase of inflammation, with localization in neurons. These data suggest that spinal IL-6 signaling may activate spinal EGFR signaling. Downregulation of EGFR in DRG neurons in acute arthritis may limit nociception, but pronounced delayed activation of EGFR in the spinal cord may be involved in chronic inflammatory pain.
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Affiliation(s)
- Anutosh Roy
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Gisela Segond von Banchet
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Fátima Gimeno-Ferrer
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Christian König
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Annett Eitner
- Department of Trauma, Hand and Reconstructive Surgery, Experimental Trauma Surgery, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Andrea Ebersberger
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Matthias Ebbinghaus
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Johannes Leuchtweis
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
| | - Hans-Georg Schaible
- Institute of Physiology 1/Neurophysiology, Jena University Hospital, Friedrich-Schiller-University, 07743 Jena, Germany
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2
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Mallick-Searle T, Adler JA. Update on Treating Painful Diabetic Peripheral Neuropathy: A Review of Current US Guidelines with a Focus on the Most Recently Approved Management Options. J Pain Res 2024; 17:1005-1028. [PMID: 38505500 PMCID: PMC10949339 DOI: 10.2147/jpr.s442595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 02/26/2024] [Indexed: 03/21/2024] Open
Abstract
Painful diabetic peripheral neuropathy (DPN) is a highly prevalent and disabling complication of diabetes that is often misdiagnosed and undertreated. The management of painful DPN involves treating its underlying cause via lifestyle modifications and intensive glucose control, targeting its pathogenesis, and providing symptomatic pain relief, thereby improving patient function and health-related quality of life. Four pharmacologic options are currently approved by the US Food and Drug Administration (FDA) to treat painful DPN. These include three oral medications (duloxetine, pregabalin, and tapentadol extended release) and one topical agent (capsaicin 8% topical system). More recently, the FDA approved several spinal cord stimulation (SCS) devices to treat refractory painful DPN. Although not FDA-approved specifically to treat painful DPN, tricyclic antidepressants, serotonin/norepinephrine reuptake inhibitors, gabapentinoids, and sodium channel blockers are common first-line oral options in clinical practice. Other strategies may be used as part of individualized comprehensive pain management plans. This article provides an overview of the most recent US guidelines for managing painful DPN, with a focus on the two most recently approved treatment options (SCS and capsaicin 8% topical system), as well as evidence for using FDA-approved and guideline-supported drugs and devices. Also discussed are unmet needs for this patient population, and evidence for potential future treatments for painful DPN, including drugs with novel mechanisms of action, electrical stimulation devices, and nutraceuticals.
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3
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Zorina-Lichtenwalter K, Ase AR, Verma V, Parra AIM, Komarova S, Khadra A, Séguéla P, Diatchenko L. Characterization of Common Genetic Variants in P2RX7 and Their Contribution to Chronic Pain Conditions. THE JOURNAL OF PAIN 2024; 25:545-556. [PMID: 37742908 DOI: 10.1016/j.jpain.2023.09.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 08/22/2023] [Accepted: 09/19/2023] [Indexed: 09/26/2023]
Abstract
The adenosine triphosphate (ATP)-gated channel P2X7 is encoded by a gene enriched for common nonsynonymous variants. Many of these variants have functional cellular effects, and some have been implicated in chronic pain. In this study, we first systematically characterized all 17 common nonsynonymous variants using whole-cell patch clamp electrophysiology. Then, we analyzed these variants for statistical association with chronic pain phenotypes using both individual P2RX7 variants as predictors and cumulative allele counts of same-direction cellular effect in univariate models. Association and validation analyses were conducted in the Orofacial Pain: Prospective Evaluation and Risk Assessment (OPPERA) cohort (N = 3260) and in the Complex Persistent Pain Conditions (CPPC) cohort (N = 900), respectively. Our results showed an association between allele A of rs7958311 and an increased risk of chronic pelvic pain, with convergent evidence for contribution to fibromyalgia and irritable bowel syndrome, confirmed in a meta-analysis. This allelic variant produced a unique cellular phenotype: a gain-of-function in channel opening, and a loss-of-function in pore opening. A computational study using a 12-state Markov model of ATP binding to the P2X7 receptor suggested that this cellular phenotype arises from an increased ATP binding affinity and an increased open channel conductance combined with a loss of sensitization. Cumulative allele count analysis did not provide additional insights. In conclusion, our results go beyond reproducing association for rs7958311 with chronic pain and suggest that its unique combination of gain-of-function in channel and loss-of-function in pore activity may explain why it is likely the only common P2RX7 variant with contribution to chronic pain. PERSPECTIVE: This study characterizes all common P2RX7 variants using cellular assays and statistical association analyses with chronic pain, with Markov state modeling of the most robustly associated variant.
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Affiliation(s)
- Katerina Zorina-Lichtenwalter
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Ariel R Ase
- Department of Neurology & Neurosurgery, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Montreal Neurological Institute/Hospital, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Vivek Verma
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Arturo I M Parra
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Svetlana Komarova
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC, Canada
| | - Anmar Khadra
- Department of Physiology, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Philippe Séguéla
- Department of Neurology & Neurosurgery, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Montreal Neurological Institute/Hospital, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada
| | - Luda Diatchenko
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, Department of Anesthesia, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC, Canada; Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC, Canada
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4
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Marini S, Huber A, Cash MN, Salemi M, Cook RL, Borsa P, Mavian CN. Oral Cannabidiol Treatment Is Associated with an Anti-Inflammatory Gene Expression Signature in Myeloid Cells of People Living with HIV. Cannabis Cannabinoid Res 2024. [PMID: 38252549 DOI: 10.1089/can.2023.0139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024] Open
Abstract
Introduction: HIV-related comorbidities appear to be related to chronic inflammation, a condition characterizing people living with HIV (PLWH). Prior work indicates that cannabidiol (CBD) might reduce inflammation; however, the genetics underpinning of this effect are not well investigated. Our main objective is to detect gene expression alterations in human peripheral blood mononuclear cells (PBMCs) from PLWH after at least 1 month of CBD treatment. Materials and Methods: We analyzed ∼41,000 PBMCs from three PLWH at baseline and after CBD treatment (27-60 days) through single-cell RNA sequencing. Results: We obtained a coherent signature, characterized by an anti-inflammatory activity, of differentially expressed genes in myeloid cells. Conclusions: Our study shows how CBD is associated with alterations of gene expression in myeloid cells after CBD treatment. Clinical Trial Registration: NCT05209867.
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Affiliation(s)
- Simone Marini
- Department of Epidemiology, University of Florida, Gainesville, Florida, USA
- Department of Pathology, University of Florida, Gainesville, Florida, USA
| | - Amanda Huber
- Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan, USA
| | - Melanie N Cash
- Department of Pathology, University of Florida, Gainesville, Florida, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - Marco Salemi
- Department of Pathology, University of Florida, Gainesville, Florida, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - Robert L Cook
- Department of Epidemiology, University of Florida, Gainesville, Florida, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
| | - Paul Borsa
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, Florida, USA
| | - Carla N Mavian
- Department of Pathology, University of Florida, Gainesville, Florida, USA
- Emerging Pathogens Institute, University of Florida, Gainesville, Florida, USA
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5
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Santi MD, Zhang M, Liu N, Viet CT, Xie T, Jensen DD, Amit M, Pan H, Ye Y. Repurposing EGFR Inhibitors for Oral Cancer Pain and Opioid Tolerance. Pharmaceuticals (Basel) 2023; 16:1558. [PMID: 38004424 PMCID: PMC10674507 DOI: 10.3390/ph16111558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
Oral cancer pain remains a significant public health concern. Despite the development of improved treatments, pain continues to be a debilitating clinical feature of the disease, leading to reduced oral mobility and diminished quality of life. Opioids are the gold standard treatment for moderate-to-severe oral cancer pain; however, chronic opioid administration leads to hyperalgesia, tolerance, and dependence. The aim of this review is to present accumulating evidence that epidermal growth factor receptor (EGFR) signaling, often dysregulated in cancer, is also an emerging signaling pathway critically involved in pain and opioid tolerance. We presented preclinical and clinical data to demonstrate how repurposing EGFR inhibitors typically used for cancer treatment could be an effective pharmacological strategy to treat oral cancer pain and to prevent or delay the development of opioid tolerance. We also propose that EGFR interaction with the µ-opioid receptor and glutamate N-methyl-D-aspartate receptor could be two novel downstream mechanisms contributing to pain and morphine tolerance. Most data presented here support that repurposing EGFR inhibitors as non-opioid analgesics in oral cancer pain is promising and warrants further research.
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Affiliation(s)
- Maria Daniela Santi
- Translational Research Center, College of Dentistry, New York University, New York, NY 10010, USA; (M.D.S.); (M.Z.); (N.L.); (D.D.J.)
- Pain Research Center, Department of Molecular Pathobiology, College of Dentistry, New York University, New York, NY 10010, USA
| | - Morgan Zhang
- Translational Research Center, College of Dentistry, New York University, New York, NY 10010, USA; (M.D.S.); (M.Z.); (N.L.); (D.D.J.)
- Pain Research Center, Department of Molecular Pathobiology, College of Dentistry, New York University, New York, NY 10010, USA
| | - Naijiang Liu
- Translational Research Center, College of Dentistry, New York University, New York, NY 10010, USA; (M.D.S.); (M.Z.); (N.L.); (D.D.J.)
- Pain Research Center, Department of Molecular Pathobiology, College of Dentistry, New York University, New York, NY 10010, USA
| | - Chi T. Viet
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Loma Linda University, Loma Linda, CA 92350, USA;
| | - Tongxin Xie
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.X.); (M.A.)
| | - Dane D. Jensen
- Translational Research Center, College of Dentistry, New York University, New York, NY 10010, USA; (M.D.S.); (M.Z.); (N.L.); (D.D.J.)
- Pain Research Center, Department of Molecular Pathobiology, College of Dentistry, New York University, New York, NY 10010, USA
| | - Moran Amit
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; (T.X.); (M.A.)
| | - Huilin Pan
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Yi Ye
- Translational Research Center, College of Dentistry, New York University, New York, NY 10010, USA; (M.D.S.); (M.Z.); (N.L.); (D.D.J.)
- Pain Research Center, Department of Molecular Pathobiology, College of Dentistry, New York University, New York, NY 10010, USA
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6
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Hébert HL, Pascal MM, Smith BH, Wynick D, Bennett DL. Big data, big consortia, and pain: UK Biobank, PAINSTORM, and DOLORisk. Pain Rep 2023; 8:e1086. [PMID: 38225956 PMCID: PMC10789453 DOI: 10.1097/pr9.0000000000001086] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/17/2023] [Accepted: 05/20/2023] [Indexed: 01/17/2024] Open
Abstract
Chronic pain (CP) is a common and often debilitating disorder that has major social and economic impacts. A subset of patients develop CP that significantly interferes with their activities of daily living and requires a high level of healthcare support. The challenge for treating physicians is in preventing the onset of refractory CP or effectively managing existing pain. To be able to do this, it is necessary to understand the risk factors, both genetic and environmental, for the onset of CP and response to treatment, as well as the pathogenesis of the disorder, which is highly heterogenous. However, studies of CP, particularly pain with neuropathic characteristics, have been hindered by a lack of consensus on phenotyping and data collection, making comparisons difficult. Furthermore, existing cohorts have suffered from small sample sizes meaning that analyses, especially genome-wide association studies, are insufficiently powered. The key to overcoming these issues is through the creation of large consortia such as DOLORisk and PAINSTORM and biorepositories, such as UK Biobank, where a common approach can be taken to CP phenotyping, which allows harmonisation across different cohorts and in turn increased study power. This review describes the approach that was used for studying neuropathic pain in DOLORisk and how this has informed current projects such as PAINSTORM, the rephenotyping of UK Biobank, and other endeavours. Moreover, an overview is provided of the outputs from these studies and the lessons learnt for future projects.
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Affiliation(s)
- Harry L. Hébert
- Chronic Pain Research Group, Division of Population Health and Genomics, Ninewells Hospital & Medical School, University of Dundee, Dundee, United Kingdom
| | - Mathilde M.V. Pascal
- Neural Injury Group, Nuffield Department of Clinical Neuroscience, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Blair H. Smith
- Chronic Pain Research Group, Division of Population Health and Genomics, Ninewells Hospital & Medical School, University of Dundee, Dundee, United Kingdom
| | - David Wynick
- Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - David L.H. Bennett
- Neural Injury Group, Nuffield Department of Clinical Neuroscience, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
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7
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Omics approaches to discover pathophysiological pathways contributing to human pain. Pain 2022; 163:S69-S78. [PMID: 35994593 PMCID: PMC9557800 DOI: 10.1097/j.pain.0000000000002726] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/19/2022] [Indexed: 10/26/2022]
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8
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Yang S, Zhang Y, Guo C, Liu R, Elkharti M, Ge Z, Liu Q, Liu S, Sun MZ. The homeostatic malfunction of a novel feedback pathway formed by lncRNA021545, miR-330-3p and epiregulin contributes in hepatocarcinoma progression via mediating epithelial-mesenchymal transition. Am J Cancer Res 2022; 12:2492-2525. [PMID: 35812040 PMCID: PMC9251696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023] Open
Abstract
A better understanding of tumor metastasis is urgently required for the treatment and prognosis of hepatocarcinoma patients. Current work contributes a novel ceRNA feedback regulation pathway composed of epiregulin (EREG), microRNA-330-3p (miR-330-3p) and long non-coding RNA 021545 (lncRNA021545) in regulating hepatocarcinoma malignancy via epithelial-mesenchymal transition (EMT) process. Closely correlated, the deficiencies of EREG and lncRNA021545 and the overexpression of miR-330-3p were involved in the clinical progression of hepatocarcinoma. In vitro results showed that 1) lncRNA021545 downregulation promoted, 2) miR-330-3p dysexpression positively correlated, and 3) EREG dysexpression reversely correlated with the migratory and invasive properties of hepatocarcinoma HCCLM3 and Huh7 cell lines. By directly binding to EREG and lncRNA021545, miR-330-3p expression change reversely correlated with their expressions in HCCLM3 and Huh7 cells, which was also confirmed in primary tumors from HCCLM3-xenograft mice in responding to miR-330-3p change. LncRNA021545 and EREG positively regulated each other, and lncRNA021545 negatively regulated miR-330-3p, while, EREG dysregulation unchanged miR-330-3p expression in hepatocarcinoma cells. Furthermore, systemic in vitro cellular characterizations showed that the malfunctions of the three molecules mediated the invasiveness of hepatocarcinoma cells via EMT process through affecting the expressions of E-cadherin, N-cadherin, vimentin, snail and slug, which was further confirmed by in vivo miR-330-3p promotion on the tumorigenicity and metastasis of HCCLM3 bearing nude mice and by in vitro miR-330-3p promotion on the migration and invasion of hepatocarcinoma cells to be antagonized by EREG overexpression through acting on EMT process. Our work indicates, that by forming a circuit signaling feedback pathway, the homeostatic expressions of lncRNA021545, miR-330-3p and EREG are important in liver health. Its collapse resulted from the downregulations of lncRNA021545 and EREG together with miR-330-3p overexpression promote hepatocarcinoma progression by enhancing the invasiveness of tumor cells through EMT activation. These discoveries suggest that miR-330-3p/lncRNA021545/EREG axis plays a critical role in hepatocarcinoma progression and as a candidate for its treatment.
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Affiliation(s)
- Siwen Yang
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Yunkun Zhang
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Chunmei Guo
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Rui Liu
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Maroua Elkharti
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Zhenhua Ge
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Qinlong Liu
- Department of General Surgery, The Second Affiliated Hospital, Dalian Medical UniversityDalian, Liaoning, China
| | - Shuqing Liu
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
| | - Ming-Zhong Sun
- College of Basic Medical Sciences, Dalian Medical UniversityDalian, Liaoning, China
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9
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Parisien M, Lima LV, Dagostino C, El-Hachem N, Drury GL, Grant AV, Huising J, Verma V, Meloto CB, Silva JR, Dutra GGS, Markova T, Dang H, Tessier PA, Slade GD, Nackley AG, Ghasemlou N, Mogil JS, Allegri M, Diatchenko L. Acute inflammatory response via neutrophil activation protects against the development of chronic pain. Sci Transl Med 2022; 14:eabj9954. [PMID: 35544595 DOI: 10.1126/scitranslmed.abj9954] [Citation(s) in RCA: 117] [Impact Index Per Article: 58.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The transition from acute to chronic pain is critically important but not well understood. Here, we investigated the pathophysiological mechanisms underlying the transition from acute to chronic low back pain (LBP) and performed transcriptome-wide analysis in peripheral immune cells of 98 participants with acute LBP, followed for 3 months. Transcriptomic changes were compared between patients whose LBP was resolved at 3 months with those whose LBP persisted. We found thousands of dynamic transcriptional changes over 3 months in LBP participants with resolved pain but none in those with persistent pain. Transient neutrophil-driven up-regulation of inflammatory responses was protective against the transition to chronic pain. In mouse pain assays, early treatment with a steroid or nonsteroidal anti-inflammatory drug (NSAID) also led to prolonged pain despite being analgesic in the short term; such a prolongation was not observed with other analgesics. Depletion of neutrophils delayed resolution of pain in mice, whereas peripheral injection of neutrophils themselves, or S100A8/A9 proteins normally released by neutrophils, prevented the development of long-lasting pain induced by an anti-inflammatory drug. Analysis of pain trajectories of human subjects reporting acute back pain in the UK Biobank identified elevated risk of pain persistence for subjects taking NSAIDs. Thus, despite analgesic efficacy at early time points, the management of acute inflammation may be counterproductive for long-term outcomes of LBP sufferers.
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Affiliation(s)
- Marc Parisien
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Lucas V Lima
- Department of Psychology, Faculty of Science, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Concetta Dagostino
- Department of Medicine and Surgery, University of Parma, Parma 43126, Italy
| | - Nehme El-Hachem
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Gillian L Drury
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Audrey V Grant
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Jonathan Huising
- Department of Anesthesiology, Pain and Palliative Medicine, Radboudumc, Nijmegen 6525, Netherlands
| | - Vivek Verma
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Carolina B Meloto
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Jaqueline R Silva
- Departments of Anesthesiology and Perioperative Medicine and Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Gabrielle G S Dutra
- Department of Psychology, Faculty of Science, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Teodora Markova
- Department of Psychology, Faculty of Science, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Hong Dang
- Cystic Fibrosis Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Philippe A Tessier
- Department of Microbiology and Immunology, Faculty of Medicine, Laval University, Quebec City, Quebec G1V 0A6, Canada
| | - Gary D Slade
- Center for Pain Research and Innovation, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Andrea G Nackley
- Center for Translational Pain Medicine and Departments of Anesthesiology and Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, USA
| | - Nader Ghasemlou
- Departments of Anesthesiology and Perioperative Medicine and Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario K7L 3N6, Canada
| | - Jeffrey S Mogil
- Department of Psychology, Faculty of Science, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Massimo Allegri
- Pain Therapy Service, Policlinico of Monza Hospital, Monza 20900, Italy.,Pain Management and Neuromodulation Centre, Ensemble Hospitalier de la Côte, Morges 1110, Switzerland
| | - Luda Diatchenko
- Faculty of Dental Medicine and Oral Health Sciences, Department of Anesthesia, Faculty of Medicine, Alan Edwards Centre for Research on Pain, McGill University, Montreal, Quebec H3A 1G1, Canada
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10
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Muralidharan A, Sotocinal SG, Yousefpour N, Akkurt N, Lima LV, Tansley S, Parisien M, Wang C, Austin JS, Ham B, Dutra GM, Rousseau P, Maldonado-Bouchard S, Clark T, Rosen SF, Majeed MR, Silva O, Nejade R, Li X, Donayre Pimentel S, Nielsen CS, Neely GG, Autexier C, Diatchenko L, Ribeiro-da-Silva A, Mogil JS. Long-term male-specific chronic pain via telomere- and p53‑mediated spinal cord cellular senescence. J Clin Invest 2022; 132:e151817. [PMID: 35426375 PMCID: PMC9012275 DOI: 10.1172/jci151817] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 03/08/2022] [Indexed: 12/13/2022] Open
Abstract
Mice with experimental nerve damage can display long‑lasting neuropathic pain behavior. We show here that 4 months and later after nerve injury, male but not female mice displayed telomere length (TL) reduction and p53‑mediated cellular senescence in the spinal cord, resulting in maintenance of pain and associated with decreased lifespan. Nerve injury increased the number of p53‑positive spinal cord neurons, astrocytes, and microglia, but only in microglia was the increase male‑specific, matching a robust sex specificity of TL reduction in this cell type, which has been previously implicated in male‑specific pain processing. Pain hypersensitivity was reversed by repeated intrathecal administration of a p53‑specific senolytic peptide, only in male mice and only many months after injury. Analysis of UK Biobank data revealed sex-specific relevance of this pathway in humans, featuring male‑specific genetic association of the human p53 locus (TP53) with chronic pain and a male-specific effect of chronic pain on mortality. Our findings demonstrate the existence of a biological mechanism maintaining pain behavior, at least in males, occurring much later than the time span of virtually all extant preclinical studies.
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Affiliation(s)
- Arjun Muralidharan
- Department of Psychology, McGill University, Montreal, Quebec, Canada
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia
| | | | | | - Nur Akkurt
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Lucas V. Lima
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Shannon Tansley
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | | | - Chengyang Wang
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | | | - Boram Ham
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | | | - Philippe Rousseau
- Bloomfield Centre for Research in Aging, McGill University, Montreal, Quebec, Canada
| | | | - Teleri Clark
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia
| | - Sarah F. Rosen
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Mariam R. Majeed
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Olivia Silva
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Rachel Nejade
- Department of Psychology, McGill University, Montreal, Quebec, Canada
| | - Xinyu Li
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia
| | | | - Christopher S. Nielsen
- Department of Chronic Diseases and Ageing, Norwegian Institute of Public Health, Oslo, Norway
- Department of Pain Management and Research, Oslo University Hospital, Oslo, Norway
| | - G. Gregory Neely
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia
| | - Chantal Autexier
- Bloomfield Centre for Research in Aging, McGill University, Montreal, Quebec, Canada
| | | | | | - Jeffrey S. Mogil
- Department of Psychology, McGill University, Montreal, Quebec, Canada
- Department of Anesthesia, McGill University, Montreal, Quebec, Canada
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11
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Ferreira AS, Lopacinski A, Batista M, Hiraiwa PM, Guimarães BG, Zanchin NIT. A toolkit for recombinant production of seven human EGF family growth factors in active conformation. Sci Rep 2022; 12:5034. [PMID: 35322149 PMCID: PMC8943033 DOI: 10.1038/s41598-022-09060-9] [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: 12/07/2021] [Accepted: 03/14/2022] [Indexed: 12/17/2022] Open
Abstract
Epidermal growth factors (EGF) play a wide range of roles in embryogenesis, skin development, immune response homeostasis. They are involved in several pathologies as well, including several cancer types, psoriasis, chronic pain and chronic kidney disease. All members share the structural EGF domain, which is responsible for receptor interaction, thereby initiating transduction of signals. EGF growth factors have intense use in fundamental research and high potential for biotechnological applications. However, due to their structural organization with three disulfide bonds, recombinant production of these factors in prokaryotic systems is not straightforward. A significant fraction usually forms inclusion bodies. For the fraction remaining soluble, misfolding and incomplete disulfide bond formation may affect the amount of active factor in solution, which can compromise experimental conclusions and biotechnological applications. In this work, we describe a reliable procedure to produce seven human growth factors of the EGF family in Escherichia coli. Biophysical and stability analyses using limited proteolysis, light scattering, circular dichroism and nanoDSF show that the recombinant factors present folded and stable conformation. Cell proliferation and scratch healing assays confirmed that the recombinant factors are highly active at concentrations as low as 5 ng/ml.
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Affiliation(s)
- Arthur Schveitzer Ferreira
- Laboratory of Structural Biology and Protein Engineering, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil.,Cellular and Molecular Biology Graduate Program, Federal University of Paraná, Curitiba, PR, Brazil
| | - Amanda Lopacinski
- Laboratory of Structural Biology and Protein Engineering, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil.,Cellular and Molecular Biology Graduate Program, Federal University of Paraná, Curitiba, PR, Brazil
| | - Michel Batista
- Mass Spectrometry Facility RPT02H, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil
| | - Priscila Mazzocchi Hiraiwa
- Laboratory of Structural Biology and Protein Engineering, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil
| | - Beatriz Gomes Guimarães
- Laboratory of Structural Biology and Protein Engineering, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil
| | - Nilson Ivo Tonin Zanchin
- Laboratory of Structural Biology and Protein Engineering, Carlos Chagas Institute, FIOCRUZ Paraná, Curitiba, PR, Brazil. .,Cellular and Molecular Biology Graduate Program, Federal University of Paraná, Curitiba, PR, Brazil.
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12
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Epiregulin as an Alternative Ligand for Leptin Receptor Alleviates Glucose Intolerance without Change in Obesity. Cells 2022; 11:cells11030425. [PMID: 35159237 PMCID: PMC8834548 DOI: 10.3390/cells11030425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 11/16/2022] Open
Abstract
The leptin receptor (LepR) acts as a signaling nexus for the regulation of glucose uptake and obesity, among other metabolic responses. The functional role of LepR under leptin-deficient conditions remains unclear. This study reports that epiregulin (EREG) governed glucose uptake in vitro and in vivo in Lepob mice by activating LepR under leptin-deficient conditions. Single and long-term treatment with EREG effectively rescued glucose intolerance in comparative insulin and EREG tolerance tests in Lepob mice. The immunoprecipitation study revealed binding between EREG and LepR in adipose tissue of Lepob mice. EREG/LepR regulated glucose uptake without changes in obesity in Lepob mice via mechanisms, including ERK activation and translocation of GLUT4 to the cell surface. EREG-dependent glucose uptake was abolished in Leprdb mice which supports a key role of LepR in this process. In contrast, inhibition of the canonical epidermal growth factor receptor (EGFR) pathway implicated in other EREG responses, increased glucose uptake. Our data provide a basis for understanding glycemic responses of EREG that are dependent on LepR unlike functions mediated by EGFR, including leptin secretion, thermogenesis, pain, growth, and other responses. The computational analysis identified a conserved amino acid sequence, supporting an evolutionary role of EREG as an alternative LepR ligand.
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13
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MiR-192-5p suppresses M1 macrophage polarization via epiregulin (EREG) downregulation in gouty arthritis. Tissue Cell 2021; 73:101669. [PMID: 34715618 DOI: 10.1016/j.tice.2021.101669] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/09/2021] [Accepted: 10/10/2021] [Indexed: 01/20/2023]
Abstract
Gouty arthritis (GA) is a chronic inflammatory disease characterized by the deposition of monosodium urate (MSU) crystals within joints. MiR-192-5p is shown to be low-expressed in GA patients. However, the potential mechanism involving miR-192-5p in GA remains unclear. In the current study, a significant reduction in miR-192-5p and an increase in epiregulin (EREG) were observed in serum of GA patients, suggesting that miR-192-5p and EREG were involved in the pathogenic process of GA. A mouse GA model was established via 0.5 mg/20 μL MSU crystal administration. To investigate the effect of miR-192-5p on GA, mice were injected with miR-192-5p agomir or NC agomir before modeling. We found that miR-192-5p overexpression induced by miR-192-5p agomir reduced EREG expression, attenuated ankle joint swelling and synovial inflammatory cell infiltration and improved bone erosion in MSU-induced GA mice. MiR-192-5p decreased CD16/32+ (M1 marker) macrophages, but increased CD206 (M2 marker) expression in synovium of GA models. In vitro, RAW264.7 macrophages were stimulated with miR-192-5p mimic or NC mimic under IFNγ plus LPS-stimulated M1 polarization condition. MiR-192-5p reduced the release of inflammatory cytokines TNF-α and IL-1β, decreased iNOS expression, and inhibited CD16/32 expression, indicating the blockade of M1 macrophage activation. Luciferase reporter system revealed the target interaction between miR-192-5p and EREG. Further rescue experiments demonstrated that EREG overexpression partly reversed the inhibitory role of miR-192-5p on M1 macrophage polarization manifested by elevated iNOS and CD16/32 levels. Collectively, miR-192-5p ameliorates inflammatory response in GA by inhibiting M1 macrophage activation via inhibiting EREG protein.
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14
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Tu NH, Inoue K, Chen E, Anderson BM, Sawicki CM, Scheff NN, Tran HD, Kim DH, Alemu RG, Yang L, Dolan JC, Liu CZ, Janal MN, Latorre R, Jensen DD, Bunnett NW, Edgington-Mitchell LE, Schmidt BL. Cathepsin S Evokes PAR 2-Dependent Pain in Oral Squamous Cell Carcinoma Patients and Preclinical Mouse Models. Cancers (Basel) 2021; 13:4697. [PMID: 34572924 PMCID: PMC8466361 DOI: 10.3390/cancers13184697] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 09/13/2021] [Indexed: 01/06/2023] Open
Abstract
Oral squamous cell carcinoma (SCC) pain is more prevalent and severe than pain generated by any other form of cancer. We previously showed that protease-activated receptor-2 (PAR2) contributes to oral SCC pain. Cathepsin S is a lysosomal cysteine protease released during injury and disease that can activate PAR2. We report here a role for cathepsin S in PAR2-dependent cancer pain. We report that cathepsin S was more active in human oral SCC than matched normal tissue, and in an orthotopic xenograft tongue cancer model than normal tongue. The multiplex immunolocalization of cathepsin S in human oral cancers suggests that carcinoma and macrophages generate cathepsin S in the oral cancer microenvironment. After cheek or paw injection, cathepsin S evoked nociception in wild-type mice but not in mice lacking PAR2 in Nav1.8-positive neurons (Par2Nav1.8), nor in mice treated with LY3000328 or an endogenous cathepsin S inhibitor (cystatin C). The human oral SCC cell line (HSC-3) with homozygous deletion of the gene for cathepsin S (CTSS) with CRISPR/Cas9 provoked significantly less mechanical allodynia and thermal hyperalgesia, as did those treated with LY3000328, compared to the control cancer mice. Our results indicate that cathepsin S is activated in oral SCC, and that cathepsin S contributes to cancer pain through PAR2 on neurons.
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Affiliation(s)
- Nguyen Huu Tu
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Kenji Inoue
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Elyssa Chen
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Bethany M. Anderson
- Department of Biochemistry and Pharmacology, Bio21 Institute, University of Melbourne, Parkville, VIC 3052, Australia;
| | - Caroline M. Sawicki
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Nicole N. Scheff
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
- Hillman Cancer Research Center, Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA 15232, USA
| | - Hung D. Tran
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Dong H. Kim
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Robel G. Alemu
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Lei Yang
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - John C. Dolan
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
| | - Cheng Z. Liu
- Pathology Department, New York University (NYU) Langone Health, New York, NY 10016, USA;
| | - Malvin N. Janal
- Department of Epidemiology and Health Promotion, New York University (NYU) College of Dentistry, New York, NY 10010, USA;
| | - Rocco Latorre
- Department of Molecular Pathobiology, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (R.L.); (N.W.B.)
| | - Dane D. Jensen
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
- Department of Molecular Pathobiology, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (R.L.); (N.W.B.)
| | - Nigel W. Bunnett
- Department of Molecular Pathobiology, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (R.L.); (N.W.B.)
- Department of Neuroscience and Physiology, Neuroscience Institute, New York University (NYU) Langone Health, New York, NY 10016, USA
| | - Laura E. Edgington-Mitchell
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
- Department of Biochemistry and Pharmacology, Bio21 Institute, University of Melbourne, Parkville, VIC 3052, Australia;
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Brian L. Schmidt
- Bluestone Center for Clinical Research, Department of Oral and Maxillofacial Surgery, New York University (NYU) College of Dentistry, New York, NY 10010, USA; (N.H.T.); (K.I.); (E.C.); (C.M.S.); (N.N.S.); (H.D.T.); (D.H.K.); (R.G.A.); (L.Y.); (J.C.D.); (D.D.J.)
- Department of Neuroscience and Physiology, Neuroscience Institute, New York University (NYU) Langone Health, New York, NY 10016, USA
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15
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Borges JP, Mekhail K, Fairn GD, Antonescu CN, Steinberg BE. Modulation of Pathological Pain by Epidermal Growth Factor Receptor. Front Pharmacol 2021; 12:642820. [PMID: 34054523 PMCID: PMC8149758 DOI: 10.3389/fphar.2021.642820] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 04/26/2021] [Indexed: 12/18/2022] Open
Abstract
Chronic pain has been widely recognized as a major public health problem that impacts multiple aspects of patient quality of life. Unfortunately, chronic pain is often resistant to conventional analgesics, which are further limited by their various side effects. New therapeutic strategies and targets are needed to better serve the millions of people suffering from this devastating disease. To this end, recent clinical and preclinical studies have implicated the epidermal growth factor receptor signaling pathway in chronic pain states. EGFR is one of four members of the ErbB family of receptor tyrosine kinases that have key roles in development and the progression of many cancers. EGFR functions by activating many intracellular signaling pathways following binding of various ligands to the receptor. Several of these signaling pathways, such as phosphatidylinositol 3-kinase, are known mediators of pain. EGFR inhibitors are known for their use as cancer therapeutics but given recent evidence in pilot clinical and preclinical investigations, may have clinical use for treating chronic pain. Here, we review the clinical and preclinical evidence implicating EGFR in pathological pain states and provide an overview of EGFR signaling highlighting how EGFR and its ligands drive pain hypersensitivity and interact with important pain pathways such as the opioid system.
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Affiliation(s)
- Jazlyn P Borges
- Neurosciences and Mental Health Program, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Physiology, University of Toronto, Toronto, ON, Canada
| | - Katrina Mekhail
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada.,Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Gregory D Fairn
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada.,Department of Biochemistry, University of Toronto, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, ON, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Costin N Antonescu
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada.,Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada
| | - Benjamin E Steinberg
- Neurosciences and Mental Health Program, The Hospital for Sick Children, Toronto, ON, Canada.,Department of Physiology, University of Toronto, Toronto, ON, Canada.,Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, ON, Canada
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16
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Cho C, Deol HK, Martin LJ. Bridging the Translational Divide in Pain Research: Biological, Psychological and Social Considerations. Front Pharmacol 2021; 12:603186. [PMID: 33935700 PMCID: PMC8082136 DOI: 10.3389/fphar.2021.603186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 02/22/2021] [Indexed: 12/29/2022] Open
Abstract
A gap exists between translating basic science research into effective pain therapies in humans. While preclinical pain research has primarily used animal models to understand biological processes, a lesser focus has been toward using animal models to fully consider other components of the pain experience, such as psychological and social influences. Herein, we provide an overview of translational studies within pain research by breaking them down into purely biological, psychological and social influences using a framework derived from the biopsychosocial model. We draw from a wide landscape of studies to illustrate that the pain experience is highly intricate, and every attempt must be made to address its multiple components and interactors to aid in fully understanding its complexity. We highlight our work where we have developed animal models to assess the cognitive and social effects on pain modulation while conducting parallel experiments in people that provide proof-of-importance for human pain modulation. In some instances, human pain research has sparked the development of novel animal models, with these animal models used to better understand the complexity of phenomena considered to be uniquely human such as placebo responses and empathy.
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Affiliation(s)
- Chulmin Cho
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Harashdeep K Deol
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Loren J Martin
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
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17
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Mitchell R, Mikolajczak M, Kersten C, Fleetwood-Walker S. ErbB1-dependent signalling and vesicular trafficking in primary afferent nociceptors associated with hypersensitivity in neuropathic pain. Neurobiol Dis 2020; 142:104961. [DOI: 10.1016/j.nbd.2020.104961] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/26/2020] [Accepted: 06/08/2020] [Indexed: 02/06/2023] Open
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