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Rahman MM, Jo YY, Kim YH, Park CK. Current insights and therapeutic strategies for targeting TRPV1 in neuropathic pain management. Life Sci 2024; 355:122954. [PMID: 39128820 DOI: 10.1016/j.lfs.2024.122954] [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: 04/24/2024] [Revised: 07/01/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024]
Abstract
Neuropathic pain, a common symptom of several disorders, exerts a substantial socioeconomic burden worldwide. Transient receptor potential vanilloid 1 (TRPV1), a non-selective cation channel predominantly ex-pressed in nociceptive neurons, plays a pivotal role in nociception, by detecting various endogenous and exogenous stimuli, including heat, pro-inflammatory mediators, and physical stressors. Dysregulation of TRPV1 signaling further contributes to the pathophysiology of neuropathic pain. Therefore, targeting TRPV1 is a promising strategy for developing novel analgesics with improved efficacy and safety profiles. Several pharmacological approaches to modulate TRPV1 activity, including agonists, antagonists, and biological TRPV1 RNA interference (RNAi, small interfering RNA [siRNA]) have been explored. Despite preclinical success, the clinical translation of TRPV1-targeted therapies has encountered challenges, including hyperthermia, hypothermia, pungency, and desensitization. Nevertheless, ongoing research efforts aim to refine TRPV1-targeted interventions through structural modifications, development of selective modulators, and discovery of natural, peptide-based drug candidates. Herein, we provide guidance for researchers and clinicians involved in the development of new interventions specifically targeting TRPV1 by reviewing the existing literature and highlighting current research activities. This study further discusses potential future research endeavors for enhancing the efficacy, safety, and tolerability of TRPV1 candidates, and thereby facilitates the translation of these discoveries into effective clinical interventions to alleviate neuropathic pain disorders.
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Affiliation(s)
- Md Mahbubur Rahman
- Gachon Pain Center and Department of Physiology, Gachon University College of Medicine, Incheon 21999, Republic of Korea
| | - Youn-Yi Jo
- Department of Anesthesiology and Pain Medicine, Gachon University, Gil Medical Center, Incheon 21565, Republic of Korea
| | - Yong Ho Kim
- Gachon Pain Center and Department of Physiology, Gachon University College of Medicine, Incheon 21999, Republic of Korea.
| | - Chul-Kyu Park
- Gachon Pain Center and Department of Physiology, Gachon University College of Medicine, Incheon 21999, Republic of Korea.
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Corriero A, Giglio M, Soloperto R, Inchingolo F, Varrassi G, Puntillo F. Microbial Symphony: Exploring the Role of the Gut in Osteoarthritis-Related Pain. A Narrative Review. Pain Ther 2024; 13:409-433. [PMID: 38678155 PMCID: PMC11111653 DOI: 10.1007/s40122-024-00602-9] [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: 02/22/2024] [Accepted: 04/03/2024] [Indexed: 04/29/2024] Open
Abstract
One of the most common musculoskeletal disorders, osteoarthritis (OA), causes worldwide disability, morbidity, and poor quality of life by degenerating articular cartilage, modifying subchondral bone, and inflaming synovial membranes. OA pathogenesis pathways must be understood to generate new preventative and disease-modifying therapies. In recent years, it has been acknowledged that gut microbiota (GM) can significantly contribute to the development of OA. Dysbiosis of GM can disrupt the "symphony" between the host and the GM, leading to a host immunological response that activates the "gut-joint" axis, ultimately worsening OA. This narrative review summarizes research supporting the "gut-joint axis" hypothesis, focusing on the interactions between GM and the immune system in its two main components, innate and adaptive immunity. Furthermore, the pathophysiological sequence of events that link GM imbalance to OA and OA-related pain is broken down and further investigated. We also suggest that diet and prebiotics, probiotics, nutraceuticals, exercise, and fecal microbiota transplantation could improve OA management and represent a new potential therapeutic tool in the light of the scarce panorama of disease-modifying osteoarthritis drugs (DMOADs). Future research is needed to elucidate these complex interactions, prioritizing how a particular change in GM, i.e., a rise or a drop of a specific bacterial strain, correlates with a certain OA subset to pinpoint the associated signaling pathway that leads to OA.
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Affiliation(s)
- Alberto Corriero
- Department of Interdisciplinary Medicine - ICU Section, University of Bari Aldo Moro, Piazza G. Cesare 11, 70124, Bari, Italy.
| | - Mariateresa Giglio
- Department of Interdisciplinary Medicine - ICU Section, University of Bari Aldo Moro, Piazza G. Cesare 11, 70124, Bari, Italy
| | - Rossana Soloperto
- Department of Intensive Care, Brussels' University Hospital (HUB), Rue de Lennik 808, 1070, Brussels, Belgium
| | - Francesco Inchingolo
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70124, Bari, Italy
| | | | - Filomena Puntillo
- Department of Interdisciplinary Medicine - ICU Section, University of Bari Aldo Moro, Piazza G. Cesare 11, 70124, Bari, Italy.
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3
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Liebmann K, Castillo MA, Jergova S, Best TM, Sagen J, Kouroupis D. Modification of Mesenchymal Stem/Stromal Cell-Derived Small Extracellular Vesicles by Calcitonin Gene Related Peptide (CGRP) Antagonist: Potential Implications for Inflammation and Pain Reversal. Cells 2024; 13:484. [PMID: 38534328 DOI: 10.3390/cells13060484] [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: 02/20/2024] [Revised: 03/07/2024] [Accepted: 03/08/2024] [Indexed: 03/28/2024] Open
Abstract
During the progression of knee osteoarthritis (OA), the synovium and infrapatellar fat pad (IFP) can serve as source for Substance P (SP) and calcitonin gene-related peptide (CGRP), two important pain-transmitting, immune, and inflammation modulating neuropeptides. Our previous studies showed that infrapatellar fat pad-derived mesenchymal stem/stromal cells (MSC) acquire a potent immunomodulatory phenotype and actively degrade Substance P via CD10 both in vitro and in vivo. On this basis, our hypothesis is that CD10-bound IFP-MSC sEVs can be engineered to target CGRP while retaining their anti-inflammatory phenotype. Herein, human IFP-MSC cultures were transduced with an adeno-associated virus (AAV) vector carrying a GFP-labelled gene for a CGRP antagonist peptide (aCGRP). The GFP positive aCGRP IFP-MSC were isolated and their sEVs' miRNA and protein cargos were assessed using multiplex methods. Our results showed that purified aCGRP IFP-MSC cultures yielded sEVs with cargo of 147 distinct MSC-related miRNAs. Reactome analysis of miRNAs detected in these sEVs revealed strong involvement in the regulation of target genes involved in pathways that control pain, inflammation and cartilage homeostasis. Protein array of the sEVs cargo demonstrated high presence of key immunomodulatory and reparative proteins. Stimulated macrophages exposed to aCGRP IFP-MSC sEVs demonstrated a switch towards an alternate M2 status. Also, stimulated cortical neurons exposed to aCGRP IFP-MSC sEVs modulate their molecular pain signaling profile. Collectively, our data suggest that yielded sEVs can putatively target CGRP in vivo, while containing potent anti-inflammatory and analgesic cargo, suggesting the promise for novel sEVs-based therapeutic approaches to diseases such as OA.
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Affiliation(s)
- Kevin Liebmann
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL 33146, USA
- Diabetes Research Institute & Cell Transplant Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Miami Project to Cure Paralysis, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Mario A Castillo
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL 33146, USA
- Diabetes Research Institute & Cell Transplant Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Stanislava Jergova
- Miami Project to Cure Paralysis, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Thomas M Best
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL 33146, USA
| | - Jacqueline Sagen
- Miami Project to Cure Paralysis, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Dimitrios Kouroupis
- Department of Orthopedics, UHealth Sports Medicine Institute, Miller School of Medicine, University of Miami, Miami, FL 33146, USA
- Diabetes Research Institute & Cell Transplant Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
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4
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Liao Z, Umar M, Huang X, Qin L, Xiao G, Chen Y, Tong L, Chen D. Transient receptor potential vanilloid 1: A potential therapeutic target for the treatment of osteoarthritis and rheumatoid arthritis. Cell Prolif 2024; 57:e13569. [PMID: 37994506 PMCID: PMC10905355 DOI: 10.1111/cpr.13569] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/11/2023] [Accepted: 10/15/2023] [Indexed: 11/24/2023] Open
Abstract
This study aims to determine the molecular mechanisms and analgesic effects of transient receptor potential vanilloid 1 (TRPV1) in the treatments of osteoarthritis (OA) and rheumatoid arthritis (RA). We summarize and analyse current studies regarding the biological functions and mechanisms of TRPV1 in arthritis. We search and analyse the related literature in Google Scholar, Web of Science and PubMed databases from inception to September 2023 through the multi-combination of keywords like 'TRPV1', 'ion channel', 'osteoarthritis', 'rheumatoid arthritis' and 'pain'. TRPV1 plays a crucial role in regulating downstream gene expression and maintaining cellular function and homeostasis, especially in chondrocytes, synovial fibroblasts, macrophages and osteoclasts. In addition, TRPV1 is located in sensory nerve endings and plays an important role in nerve sensitization, defunctionalization or central sensitization. TRPV1 is a non-selective cation channel protein. Extensive evidence in recent years has established the significant involvement of TRPV1 in the development of arthritis pain and inflammation, positioning it as a promising therapeutic target for arthritis. TRPV1 likely represents a feasible therapeutic target for the treatment of OA and RA.
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Affiliation(s)
- Zhidong Liao
- Department of Bone and Joint Surgerythe First Affiliated Hospital of Guangxi Medical UniversityNanningChina
- Research Center for Computer‐aided Drug Discovery, Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
- Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co‐constructed by the Province and MinistryGuangxi Medical UniversityNanningGuangxiChina
| | - Muhammad Umar
- Research Center for Computer‐aided Drug Discovery, Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
| | - Xingyun Huang
- Research Center for Computer‐aided Drug Discovery, Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
| | - Ling Qin
- Musculoskeletal Research Laboratory of Department of Orthopaedics & Traumatology and Innovative Orthopaedic Biomaterial & Drug Translational Research LaboratoryLi Ka Shing Institute of Health Sciences, The Chinese University of Hong KongHong KongChina
| | - Guozhi Xiao
- School of MedicineSouthern University of Science and TechnologyShenzhenChina
| | - Yan Chen
- Department of Bone and Joint Surgerythe First Affiliated Hospital of Guangxi Medical UniversityNanningChina
| | - Liping Tong
- Research Center for Computer‐aided Drug Discovery, Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina
| | - Di Chen
- Research Center for Computer‐aided Drug Discovery, Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenChina
- Faculty of Pharmaceutical SciencesShenzhen Institute of Advanced TechnologyShenzhenChina
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Rahman SO, Bariguian F, Mobasheri A. The Potential Role of Probiotics in the Management of Osteoarthritis Pain: Current Status and Future Prospects. Curr Rheumatol Rep 2023; 25:307-326. [PMID: 37656392 PMCID: PMC10754743 DOI: 10.1007/s11926-023-01108-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2023] [Indexed: 09/02/2023]
Abstract
PURPOSE OF REVIEW This narrative review article comprehensively explains the pathophysiology of osteoarthritis (OA) pain perception, how the gut microbiota is correlated with it, possible molecular pathways involved in probiotics-mediated OA pain reduction, limitations in the current research approaches, and future perspectives. RECENT FINDINGS The initiation and progression of OA, including the development of chronic pain, is intricately associated with activation of the innate immune system and subsequent inflammatory responses. Trauma, lifestyle (e.g., obesity and metabolic disease), and chronic antibiotic treatment can disrupt commensal homeostasis of the human microbiome, thereby affecting intestinal integrity and promoting leakage of bacterial endotoxins and metabolites such as lipopolysaccharides (LPS) into circulation. Increased level of LPS is associated with knee osteophyte severity and joint pain. Both preclinical and clinical studies strongly suggest that probiotics may benefit patients with OA pain through positive gut microbiota modulation and attenuating low-grade inflammation via multiple pathways. Patent data also suggests increased interest in the development of new innovations that involve probiotic use for reducing OA and joint pain. Recent data suggest that probiotics are attracting more and more attention for OA pain management. The advancement of knowledge in this area may pave the way for developing different probiotic strains that can be used to support joint health, improve treatment outcomes in OA, and reduce the huge impact of the disease on healthcare systems worldwide.
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Affiliation(s)
| | - Frédérique Bariguian
- Haleon (Formerly GSK Consumer Healthcare), Route de L'Etraz 2, Case Postale 1279, 1260, Nyon 1, Switzerland.
| | - Ali Mobasheri
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, 90014, Oulu, FI, Finland.
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania.
- Department of Joint Surgery, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
- World Health Organization Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, Liege, Belgium.
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Arai T, Suzuki-Narita M, Takeuchi J, Tajiri I, Inage K, Kawarai Y, Eguchi Y, Shiga Y, Hozumi T, Kim G, Tsuchiya R, Otagiri T, Mukaihata T, Hishiya T, Toshi N, Okuyama K, Tokeshi S, Furuya T, Maki S, Matsuura Y, Suzuki T, Nakamura J, Hagiwara S, Ohtori S, Orita S. Analgesic effects and arthritic changes following intra-articular injection of diclofenac etalhyaluronate in a rat knee osteoarthritis model. BMC Musculoskelet Disord 2022; 23:960. [DOI: 10.1186/s12891-022-05937-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/31/2022] [Indexed: 11/09/2022] Open
Abstract
Abstract
Background
Diclofenac etalhyaluronate (DF-HA) is a recently developed analgesic conjugate of diclofenac and hyaluronic acid that has analgesic and anti-inflammatory effects on acute arthritis. In this study, we investigated its analgesic effect on osteoarthritis, using a rat model of monoiodoacetate (MIA).
Methods
We injected MIA into the right knees of eight 6-weeks-old male Sprague–Dawley rats. Four weeks later, rats were randomly injected with DF-HA or vehicle into the right knee. Seven weeks after the MIA injection, fluorogold (FG) and sterile saline were injected into the right knees of all the rats. We assessed hyperalgesia with weekly von Frey tests for 8 weeks after MIA administration. We took the right knee computed tomography (CT) as radiographical evaluation every 2 weeks. All rats were sacrificed 8 weeks after administration of MIA for histological evaluation of the right knee and immunohistochemical evaluation of the DRG and spinal cord. We also evaluated the number of FG-labeled calcitonin gene-related peptide (CGRP)-immunoreactive(ir) neurons in the dorsal root ganglion (DRG) and ionized calcium-binding adapter molecule 1 (Iba1)-ir microglia in the spinal cord.
Results
Administration of DF-HA significantly improved pain sensitivity and reduced CGRP and Iba1 expression in the DRG and spinal cord, respectively. However, computed tomography and histological evaluation of the right knee showed similar levels of joint deformity, despite DF-HA administration.
Conclusion
DF-HA exerted analgesic effects on osteoarthritic pain, but did not affect joint deformity.
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Ita ME, Singh S, Troche HR, Welch RL, Winkelstein BA. Intra-articular MMP-1 in the spinal facet joint induces sustained pain and neuronal dysregulation in the DRG and spinal cord, and alters ligament kinematics under tensile loading. Front Bioeng Biotechnol 2022; 10:926675. [PMID: 35992346 PMCID: PMC9382200 DOI: 10.3389/fbioe.2022.926675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/27/2022] [Indexed: 12/03/2022] Open
Abstract
Chronic joint pain is a major healthcare challenge with a staggering socioeconomic burden. Pain from synovial joints is mediated by the innervated collagenous capsular ligament that surrounds the joint and encodes nociceptive signals. The interstitial collagenase MMP-1 is elevated in painful joint pathologies and has many roles in collagen regulation and signal transduction. Yet, the role of MMP-1 in mediating nociception in painful joints remains poorly understood. The goal of this study was to determine whether exogenous intra-articular MMP-1 induces pain in the spinal facet joint and to investigate effects of MMP-1 on mediating the capsular ligament’s collagen network, biomechanical response, and neuronal regulation. Intra-articular MMP-1 was administered into the cervical C6/C7 facet joints of rats. Mechanical hyperalgesia quantified behavioral sensitivity before, and for 28 days after, injection. On day 28, joint tissue structure was assessed using histology. Multiscale ligament kinematics were defined under tensile loading along with microstructural changes in the collagen network. The amount of degraded collagen in ligaments was quantified and substance P expression assayed in neural tissue since it is a regulatory of nociceptive signaling. Intra-articular MMP-1 induces behavioral sensitivity that is sustained for 28 days (p < 0.01), absent any significant effects on the structure of joint tissues. Yet, there are changes in the ligament’s biomechanical and microstructural behavior under load. Ligaments from joints injected with MMP-1 exhibit greater displacement at yield (p = 0.04) and a step-like increase in the number of anomalous reorganization events of the collagen fibers during loading (p ≤ 0.02). Collagen hybridizing peptide, a metric of damaged collagen, is positively correlated with the spread of collagen fibers in the unloaded state after MMP-1 (p = 0.01) and that correlation is maintained throughout the sub-failure regime (p ≤ 0.03). MMP-1 injection increases substance P expression in dorsal root ganglia (p < 0.01) and spinal cord (p < 0.01) neurons. These findings suggest that MMP-1 is a likely mediator of neuronal signaling in joint pain and that MMP-1 presence in the joint space may predispose the capsular ligament to altered responses to loading. MMP-1-mediated pathways may be relevant targets for treating degenerative joint pain in cases with subtle or no evidence of structural degeneration.
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Affiliation(s)
- Meagan E. Ita
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Sagar Singh
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Harrison R. Troche
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Rachel L. Welch
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
| | - Beth A. Winkelstein
- Spine Pain Research Laboratory, Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, United States
- Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA, United States
- *Correspondence: Beth A. Winkelstein,
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Kanno K, Suzuki-Narita M, Kawarai Y, Hagiwara S, Yoh S, Nakamura J, Orita S, Inage K, Suzuki T, Ohtori S. Analgesic effects and arthritic changes following tramadol administration in a rat hip osteoarthritis model. J Orthop Res 2022; 40:1770-1777. [PMID: 34783063 DOI: 10.1002/jor.25208] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 09/16/2021] [Accepted: 11/01/2021] [Indexed: 02/04/2023]
Abstract
We investigated the analgesic effects of tramadol and the arthritic changes following tramadol administration in the rat hip osteoarthritis (OA) model using mono-iodoacetate (MIA). The right hip joints of male Sprague-Dawley rats (n = 5 rats/group) in the Sham group were injected with 25 μl of sterile saline and 1% of fluorogold (FG) retrograde neurotracer. In the MIA + Vehicle and MIA + Tramadol groups, FG and 25 μl of sterile saline with 0.5 mg of MIA were injected into the right hip joint. The MIA + Vehicle and MIA + Tramadol groups were administered daily for 4 weeks, either sterile saline (10 mg/kg, intraperitoneal [i.p.]) or tramadol (10 mg/kg, i.p.). We assessed hyperalgesia every week after MIA administration. Histopathological changes and immunoreactive neurons for calcitonin gene-related peptide (CGRP) in dorsal root ganglia (DRG) were evaluated after 4 weeks of treatment. MIA injection into the hip joint led to mechanical hyperalgesia (p < 0.01), which was significantly reduced by tramadol administration (p < 0.01). Furthermore, daily i.p injection of tramadol significantly suppressed CGRP expression in DRG (p < 0.0001). MIA + Vehicle and MIA + Tramadol groups showed significant cartilage reduction and degeneration compared to the Sham group (p < 0.0001). Interestingly, OA changes significantly progressed in the MIA + Tramadol group compared to the MIA + Vehicle group (p < 0.0001).
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Affiliation(s)
- Keijiro Kanno
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Miyako Suzuki-Narita
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Yuya Kawarai
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Shigeo Hagiwara
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Satoshi Yoh
- Department of Orthopaedic Surgery, Eastern Chiba Medical Center, Togane, Japan
| | - Junichi Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Sumihisa Orita
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Kazuhide Inage
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Takane Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University, Chiba City, Japan
| | - Seiji Ohtori
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba City, Japan
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Gonçalves S, Gowler PR, Woodhams SG, Turnbull J, Hathway G, Chapman V. The challenges of treating osteoarthritis pain and opportunities for novel peripherally directed therapeutic strategies. Neuropharmacology 2022; 213:109075. [DOI: 10.1016/j.neuropharm.2022.109075] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 03/07/2022] [Accepted: 04/21/2022] [Indexed: 12/22/2022]
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Stöckl S, Eitner A, Bauer RJ, König M, Johnstone B, Grässel S. Substance P and Alpha-Calcitonin Gene-Related Peptide Differentially Affect Human Osteoarthritic and Healthy Chondrocytes. Front Immunol 2021; 12:722884. [PMID: 34512650 PMCID: PMC8430215 DOI: 10.3389/fimmu.2021.722884] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/09/2021] [Indexed: 12/13/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease that not only causes cartilage loss but also structural damage in all joint tissues. Joints are innervated by alpha-calcitonin gene-related peptide (αCGRP) and substance P (SP)-positive sensory nerve fibers. Alteration of sensory joint innervation could be partly responsible for degenerative changes in joints that contribute to the development of OA. Therefore, our aim was to analyze and compare the molecular effects of SP and αCGRP on the metabolism of articular chondrocytes from OA patients and non-OA cartilage donors. We treated the cells with SP or αCGRP and analysed the influence of these neuropeptides on chondrocyte metabolism and modulation of signaling pathways. In chondrocytes from healthy cartilage, SP had minimal effects compared with its effects on OA chondrocytes, where it induced inflammatory mediators, inhibited chondrogenic markers and promoted apoptosis and senescence. Treatment with αCGRP also increased apoptosis and senescence and reduced chondrogenic marker expression in OA chondrocytes, but stimulated an anabolic and protective response in healthy chondrocytes. The catabolic influence of SP and αCGRP might be due to activation of ERK signaling that could be counteracted by an increased cAMP response. We suggest that a switch between the G-subunits of the corresponding receptors after binding their ligands SP or αCGRP plays a central role in mediating the observed effects of sensory neuropeptides on chondrocytes.
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Affiliation(s)
- Sabine Stöckl
- Department of Orthopaedic Surgery, Experimental Orthopaedics, Center for Medical Biotechnology, University of Regensburg, Regensburg, Germany
| | - Annett Eitner
- Department of Trauma, Hand and Reconstructive Surgery, Experimental Trauma Surgery, Jena University Hospital, Friedrich-Schiller-University Jena, Jena, Germany.,Department of Physiology, Jena University Hospital, Friedrich Schiller University Jena, Jena, Germany
| | - Richard J Bauer
- Department of Oral and Maxillofacial Surgery, Center for Medical Biotechnology, University Hospital Regensburg, Regensburg, Germany
| | - Matthias König
- Department of Orthopedics, University Medical Center Regensburg, Asklepios Klinikum Bad Abbach, Bad Abbach, Germany
| | - Brian Johnstone
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, Portland, OR, United States
| | - Susanne Grässel
- Department of Orthopaedic Surgery, Experimental Orthopaedics, Center for Medical Biotechnology, University of Regensburg, Regensburg, Germany
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11
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Hwang HS, Park IY, Hong JI, Kim JR, Kim HA. Comparison of joint degeneration and pain in male and female mice in DMM model of osteoarthritis. Osteoarthritis Cartilage 2021; 29:728-738. [PMID: 33609695 DOI: 10.1016/j.joca.2021.02.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 01/13/2021] [Accepted: 02/08/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE While the prevalence of radiographic and symptomatic osteoarthritis (OA) is higher in women, male mice are more frequently used in animal experiments to explore its pathogenesis or drug efficacy. In this study, we examined whether sexual dimorphism affects pain and joint degeneration in destabilization of the medial meniscus (DMM) mouse model. METHODS DMM or sham surgery was performed on the knee of male and female C57BL/6 mice. Joint damage was assessed by safranin O staining and scored using the Osteoarthritis Research Society International (OARSI) scoring system. Von Frey hair, incapacitance, and rotarod tests were conducted to measure joint pain. The analgesic effect of capsazepine (CPZ), a TRPV1 antagonist, was compared between male and female mice. RESULTS Histology and OARSI scoring analysis showed that cartilage degeneration developed, and progressed in both male and female DMM groups, however, damage was less severe in females at the late stage of OA. Pain behavior, as measured by mechanical allodynia, was displayed for longer in male DMM mice compared to females. Incapacitance data showed that CPZ significantly reduced DMM-induced pain in male mice but not in female mice. Immunofluorescence microscopy analysis demonstrated that DMM surgery increased the expression of TRPV1 in both female and male dorsal root ganglion (DRG). Injection of CPZ significantly suppressed TRPV1 expression in the DRG of male mice only. CONCLUSION Joint damage develops comparably in both female and male mice after DMM although it progresses less in females. There was a subtle sex difference in pain behaviors and analgesic efficacy of a TRPV1 antagonist, which was accompanied by a differential regulation of TPRV1.
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Affiliation(s)
- H S Hwang
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Kyunggi, 14068, South Korea; Institute for Skeletal Aging, Hallym University, Chunchon, 24251, South Korea
| | - I Y Park
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Kyunggi, 14068, South Korea; Institute for Skeletal Aging, Hallym University, Chunchon, 24251, South Korea
| | - J I Hong
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Kyunggi, 14068, South Korea; Institute for Skeletal Aging, Hallym University, Chunchon, 24251, South Korea
| | - J R Kim
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Kyunggi, 14068, South Korea; Institute for Skeletal Aging, Hallym University, Chunchon, 24251, South Korea
| | - H A Kim
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, Kyunggi, 14068, South Korea; Institute for Skeletal Aging, Hallym University, Chunchon, 24251, South Korea.
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12
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Karlsson P, Provitera V, Caporaso G, Stancanelli A, Saltalamacchia AM, Borreca I, Manganelli F, Santoro L, Jensen TS, Nolano M. Increased peptidergic fibers as a potential cutaneous marker of pain in diabetic small fiber neuropathy. Pain 2021; 162:778-786. [PMID: 32833793 DOI: 10.1097/j.pain.0000000000002054] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 08/12/2020] [Indexed: 12/14/2022]
Abstract
ABSTRACT Diabetic polyneuropathy (DPN) is a common complication of diabetes and is often associated with neuropathic pain. The mechanisms underlying development and maintenance of painful DPN are largely unknown, and quantification of intraepidermal nerve fiber density from skin biopsy, one of the neuropathological gold standard when diagnosing DPN, does not differentiate between patients with and without pain. Identification of possible pain pathophysiological biomarkers in patients with painful DPN may increase our knowledge of mechanisms behind neuropathic pain. Animal models of painful DPN have been shown to have an increased density of peptidergic nerve fibers (substance P and calcitonin gene-related peptide). In this study, we performed a detailed skin biopsy analysis in a well-characterized group of DPN patients with primarily small fiber involvement, with and without pain, and in healthy controls and test for correlation between skin biopsy findings and pain intensity and quantitative sensory testing. We found that although there was no difference in intraepidermal nerve fiber density using protein gene product 9.5 between patients with and without pain, patients with pain had increased density of dermal peptidergic fibers containing substance P and calcitonin gene-related peptide compared with patients with painless DPN and healthy controls. Peptidergic nerve fiber density correlated with pain ratings in patients with pain (R = 0.33; P = 0.019), but not with quantitative sensory testing results. In this article, we show, for the first time in humans, an increased density of dermal peptidergic fibers in painful DPN. These findings provide new insight in the pathophysiological mechanisms of pain in diabetes and open the research towards new therapeutic targets.
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Affiliation(s)
- Pall Karlsson
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Core Center for Molecular Morphology, Section for Stereology and Microscopy , Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Vincenzo Provitera
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
| | - Giuseppe Caporaso
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
| | - Annamaria Stancanelli
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
| | - Anna Maria Saltalamacchia
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
| | - Ilaria Borreca
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
| | - Fiore Manganelli
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
| | - Lucio Santoro
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
| | - Troels Staehelin Jensen
- Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Maria Nolano
- Istituti Clinici Scientifici Maugeri IRCCS, Department of Neurology, Institute of Telese Terme, Italy
- Department of Neuroscience and Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy
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13
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Alves CJ, Couto M, Sousa DM, Magalhães A, Neto E, Leitão L, Conceição F, Monteiro AC, Ribeiro-da-Silva M, Lamghari M. Nociceptive mechanisms driving pain in a post-traumatic osteoarthritis mouse model. Sci Rep 2020; 10:15271. [PMID: 32943744 PMCID: PMC7499425 DOI: 10.1038/s41598-020-72227-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 08/20/2020] [Indexed: 11/29/2022] Open
Abstract
In osteoarthritis (OA), pain is the dominant clinical symptom, yet the therapeutic approaches remain inadequate. The knowledge of the nociceptive mechanisms in OA, which will allow to develop effective therapies for OA pain, is of utmost need. In this study, we investigated the nociceptive mechanisms involved in post-traumatic OA pain, using the destabilization of the medial meniscus (DMM) mouse model. Our results revealed the development of peripheral pain sensitization, reflected by augmented mechanical allodynia. Along with the development of pain behaviour, we observed an increase in the expression of calcitonin gene-related peptide (CGRP) in both the sensory nerve fibers of the periosteum and the dorsal root ganglia. Interestingly, we also observed that other nociceptive mechanisms commonly described in non-traumatic OA phenotypes, such as infiltration of the synovium by immune cells, neuropathic mechanisms and also central sensitization were not present. Overall, our results suggest that CGRP in the sensory nervous system is underlying the peripheral sensitization observed after traumatic knee injury in the DMM model, highlighting the CGRP as a putative therapeutic target to treat pain in post-traumatic OA. Moreover, our findings suggest that the nociceptive mechanisms involved in driving pain in post-traumatic OA are considerably different from those in non-traumatic OA.
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Affiliation(s)
- C J Alves
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal. .,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.
| | - M Couto
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal
| | - D M Sousa
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal
| | - A Magalhães
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto, Porto, Portugal
| | - E Neto
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal
| | - L Leitão
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Porto, Portugal
| | - F Conceição
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Porto, Portugal
| | - A C Monteiro
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal
| | - M Ribeiro-da-Silva
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Faculdade de Medicina, Universidade do Porto (FMUP), Porto, Portugal.,Serviço de Ortopedia e Traumatologia, Centro Hospitalar São João, Porto, Portugal
| | - M Lamghari
- Neuro-Skeletal Circuits Group, Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Rua Alfredo Allen, 208, 4200-135, Porto, Portugal.,Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto Ciências Biomédicas Abel Salazar (ICBAS), Universidade de Porto, Porto, Portugal
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14
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vom Braucke AFG, Lysemose Frederiksen N, Berg LC, Aarsvold S, Müller FC, Ploug Boesen M, Lindegaard C. Identification and Quantification of Transient Receptor Potential Vanilloid 1 (TRPV1) in Equine Articular Tissue. Animals (Basel) 2020; 10:ani10030506. [PMID: 32197454 PMCID: PMC7143842 DOI: 10.3390/ani10030506] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/08/2020] [Accepted: 03/08/2020] [Indexed: 02/06/2023] Open
Abstract
Joint pain and osteoarthritis (OA) are some of the most common causes of lameness in horses, and most of the available treatments focus on symptomatic relief without a disease-modifying effect. TRPV1 is a potential target for treating joint diseases, including OA, and the present study aims to investigate if the TRPV1 receptor is present in equine articular tissue and determine whether the number of receptors is upregulated in joint inflammation. Metacarpo/metatarsophalangeal (MCP/MTP) joints from 15 horses euthanised for reasons unrelated to this study were included. Based on synovial fluid analysis, macroscopic evaluation, and magnetic resonance imaging (MRI), joints were divided into two groups: healthy joints and joints with pathology. ELISA analysis was performed on synovial tissue harvested from all joints. TPRV1 was found in all joints. The mean concentration of TRPV1 compared to total protein in healthy joints (8.4 × 10-7 ng/mL) and joints with pathology (12.9 × 10-7 ng/mL) differed significantly (p = 0.01, t-test with Welch correction). Quantitative real-time reverse transcriptase PCR analysis was performed on RNA isolates from synovial tissue from all joints. TRPV1 mRNA expression ratio normalized to glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in healthy joints (0.16 (SD: 0.19)) and joints with pathology (0.24 (SD: 0.14)) did not differ significantly (p = 0.43, t-test with Welch correction). mRNA expression of interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-) was very low for both groups. In conclusion, TRPV1 was detected both on mRNA and the protein level, with a higher expression of TRPV1 in samples from joints with pathology. Future studies will determine the clinical potential of equine TRPV1 as a target in the management of joint pain and inflammation.
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Affiliation(s)
- Anne Frank Gallagher vom Braucke
- Large Animal Teaching Hospital, Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2630 Taastrup, Denmark; (A.F.G.v.B.); (N.L.F.); (L.C.B.)
| | - Nanna Lysemose Frederiksen
- Large Animal Teaching Hospital, Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2630 Taastrup, Denmark; (A.F.G.v.B.); (N.L.F.); (L.C.B.)
| | - Lise Charlotte Berg
- Large Animal Teaching Hospital, Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2630 Taastrup, Denmark; (A.F.G.v.B.); (N.L.F.); (L.C.B.)
| | | | | | - Mikael Ploug Boesen
- Department of Radiology, Copenhagen University Hospital Bispebjerg and Frederiksberg, DK-2400 Copenhagen, Denmark;
| | - Casper Lindegaard
- Large Animal Teaching Hospital, Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2630 Taastrup, Denmark; (A.F.G.v.B.); (N.L.F.); (L.C.B.)
- Correspondence: ; Tel.: +45-93509135
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15
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de Sousa Valente J. The Pharmacology of Pain Associated With the Monoiodoacetate Model of Osteoarthritis. Front Pharmacol 2019; 10:974. [PMID: 31619987 PMCID: PMC6759799 DOI: 10.3389/fphar.2019.00974] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 07/31/2019] [Indexed: 12/31/2022] Open
Abstract
The high incidence of osteoarthritis (OA) in an increasingly elderly population anticipates a dramatic rise in the number of people suffering from this disease in the near future. Because pain is the main reason patients seek medical help, effective pain management-which is currently lacking-is paramount to improve the quality of life that OA sufferers desperately seek. Good animal models are, in this day and age, fundamental tools for basic research of new therapeutic pathways. Several animal models of OA have been characterized, but none of them reproduces entirely all symptoms of the disease. Choosing between different animal models depends largely on which aspect of OA one aims to study. Here, we review the current understanding of the monoiodoacetate (MIA) model of OA. MIA injection in the knee joint leads to the progressive disruption of cartilage, which, in turn, is associated with the development of pain-like behavior. There are several reasons why the MIA model of OA seems to be the most adequate to study the pharmacological effect of new drugs in pain associated with OA. First, the pathological changes induced by MIA share many common traits with those observed in human OA (Van Der Kraan et al., 1989; Guingamp et al., 1997; Guzman et al., 2003), including loss of cartilage and alterations in the subchondral bone. The model has been extensively utilized in basic research, which means that the time course of pain-related behaviors and histopathological changes, as well as pharmacological profile, namely of commonly used pain-reducing drugs, is now moderately understood. Also, the severity of the progression of pathological changes can be controlled by grading the concentration of MIA administered. Further, in contrast with other OA models, MIA offers a rapid induction of pain-related phenotypes, with the cost-saving consequence in new drug screening. This model, therefore, may be more predictive of clinical efficacy of novel pharmacological tools than other chronic or acute OA models.
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Affiliation(s)
- João de Sousa Valente
- Vascular Biology and Inflammation Section, Cardiovascular School of Medicine and Sciences, British Heart Foundation Centre of Excellence, King's College London, London, United Kingdom
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16
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Otis C, Guillot M, Moreau M, Pelletier JP, Beaudry F, Troncy E. Sensitivity of functional targeted neuropeptide evaluation in testing pregabalin analgesic efficacy in a rat model of osteoarthritis pain. Clin Exp Pharmacol Physiol 2019; 46:723-733. [PMID: 31046168 DOI: 10.1111/1440-1681.13100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/22/2019] [Accepted: 04/28/2019] [Indexed: 12/27/2022]
Abstract
The monosodium iodoacetate (MIA)-induced joint degeneration in rats is the most used animal model to screen analgesic drugs to alleviate osteoarthritis (OA) pain. This study aimed to evaluate the analgesic efficacy of pregabalin (PGB) in an MIA-induced OA model in rodents by using functional and neuroproteomic pain assessment methods. Treatment group included PGB in curative intent over 9 days compared to gold standard therapy (positive controls) and placebo (negative control). Functional assessments of pain (quantitative sensory testing and operant test) were performed concomitantly with spinal neuropeptides quantification. At day 21 post-OA induction, PGB in MIA rats reduced tactile allodynia (P = 0.028) and improved the place escape/avoidance behaviour (P = 0.04) compared to values recorded at last time-point before initiating analgesic therapy. All spinal neuropeptide concentrations, such as substance P, calcitonin gene-related peptide, bradykinin and somatostatin, came back to normal (non-affected) rat values, compared to their increase observed in MIA rats receiving the placebo (P < 0.0001). Initiated 13 days after chemical OA induction, repeated medication with PGB provided analgesia according to quantitative sensory testing, operant test and targeted neuropeptides pain assessment methods. This report highlights the interest of using reliable and sensitive methods like targeted neuropeptide quantification to detect the analgesic effects of a test article with concomitant functional assessments of pain when studying OA pain components.
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Affiliation(s)
- Colombe Otis
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Martin Guillot
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Maxim Moreau
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Jean-Pierre Pelletier
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Francis Beaudry
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Eric Troncy
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
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17
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NF-κB-Associated Pain-Related Neuropeptide Expression in Patients with Degenerative Disc Disease. Int J Mol Sci 2019; 20:ijms20030658. [PMID: 30717434 PMCID: PMC6386867 DOI: 10.3390/ijms20030658] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 01/30/2019] [Accepted: 01/30/2019] [Indexed: 12/14/2022] Open
Abstract
The role of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) has been highlighted in mechanisms underlying inflammatory and neuropathic pain processes. The present study was designed to investigate whether NF-κB signaling is associated with pain-related neuropeptide expression in patients with chronic back pain related to degenerative disc disease (DDD). Intervertebral disc (IVD) tissues were collected from forty DDD patients undergoing disc replacement or fusion surgery, and from eighteen postmortem (PM) control subjects. RELA, NFKB1, CGRP, TAC1, TRPV1, and MMP-3 gene expression were analyzed by RT-qPCR, while NF-κB subunit RelA and NF-κB1⁻DNA binding in nuclear extracts and calcitonin gene related peptide (CGRP), substance P (SP), and transient receptor potential, subfamily V, member 1 (TRPV1) protein levels in cytosolic extracts of tissues were assessed by enzyme-linked immunosorbent assay (ELISA). An upregulated NF-κB1⁻DNA binding, and higher CGRP and TRPV1 protein levels were observed in DDD patients compared to PM controls. In DDD patients, NF-κB1⁻DNA binding was positively correlated with nuclear RelA levels. Moreover, NF-κB1⁻DNA binding was positively associated with TRPV1 and MMP-3 gene and SP and TRPV1 protein expression in DDD patients. Our results indicate that the expression of SP and TRPV1 in IVD tissues was associated with NF-κB activation. Moreover, NF-κB may be involved in the generation or maintenance of peripheral pain mechanisms by the regulation of pain-related neuropeptide expression in DDD patients.
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18
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Abstract
CGRP has long been suspected as a mediator of arthritis pain, although evidence that CGRP directly mediates human musculoskeletal pain remains circumstantial. This chapter describes in depth the evidence surrounding CGRP's association with pain in musculoskeletal disorders and also summarises evidence for CGRP being a direct cause of pain in other conditions. CGRP-immunoreactive nerves are present in musculoskeletal tissues, and CGRP expression is altered in musculoskeletal pain. CGRP modulates musculoskeletal pain through actions both in the periphery and central nervous system. Human observational studies, research on animal arthritis models and the few reported randomised controlled trials in humans of treatments that target CGRP provide the context of CGRP as a possible pain biomarker or mediator in conditions other than migraine.
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Affiliation(s)
- David A Walsh
- Pain Centre Versus Arthritis, NIHR Nottingham Biomedical Research Centre and Division of ROD, University of Nottingham, Nottingham, UK.
- Rheumatology, Sherwood Forest Hospitals NHS Foundation Trust, Nottinghamshire, UK.
| | - Daniel F McWilliams
- Pain Centre Versus Arthritis, NIHR Nottingham Biomedical Research Centre and Division of ROD, University of Nottingham, Nottingham, UK
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19
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Thudium CS, Löfvall H, Karsdal MA, Bay-Jensen AC, Bihlet AR. Protein biomarkers associated with pain mechanisms in osteoarthritis. J Proteomics 2019; 190:55-66. [DOI: 10.1016/j.jprot.2018.04.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 04/16/2018] [Accepted: 04/20/2018] [Indexed: 12/19/2022]
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20
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Hutchings CJ, Colussi P, Clark TG. Ion channels as therapeutic antibody targets. MAbs 2018; 11:265-296. [PMID: 30526315 PMCID: PMC6380435 DOI: 10.1080/19420862.2018.1548232] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 11/01/2018] [Accepted: 11/03/2018] [Indexed: 12/12/2022] Open
Abstract
It is now well established that antibodies have numerous potential benefits when developed as therapeutics. Here, we evaluate the technical challenges of raising antibodies to membrane-spanning proteins together with enabling technologies that may facilitate the discovery of antibody therapeutics to ion channels. Additionally, we discuss the potential targeting opportunities in the anti-ion channel antibody landscape, along with a number of case studies where functional antibodies that target ion channels have been reported. Antibodies currently in development and progressing towards the clinic are highlighted.
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Affiliation(s)
| | | | - Theodore G. Clark
- TetraGenetics Inc, Arlington Massachusetts, USA
- Department of Microbiology and Immunology, Cornell University, Ithaca New York, USA
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21
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Kawarai Y, Orita S, Nakamura J, Miyamoto S, Suzuki M, Inage K, Hagiwara S, Suzuki T, Nakajima T, Akazawa T, Ohtori S. Changes in proinflammatory cytokines, neuropeptides, and microglia in an animal model of monosodium iodoacetate-induced hip osteoarthritis. J Orthop Res 2018; 36:2978-2986. [PMID: 29888808 DOI: 10.1002/jor.24065] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 06/03/2018] [Indexed: 02/04/2023]
Abstract
The aim of this study was to investigate the local production of proinflammatory cytokines, pain-related sensory innervation of dorsal-root ganglia (DRG), and spinal changes in a rat model of induced hip osteoarthritis (OA). Seventy-five Sprague-Dawley rats were used, including 25 controls and 50 injected into the right hip joints (sham group, injected with 25 µl of sterile saline: N = 25; and monosodium iodoacetate (MIA) group, injected with 25 µl of sterile saline with 2 mg of MIA: N = 25). We measured the local production of TNF-α, immunoreactive (-ir) neurons for calcitonin gene-related peptide (CGRP), and growth associated protein-43 (GAP-43) in DRG, and immunoreactive neurons for ionized-calcium-binding adaptor molecule-1 (Iba-1) in the dorsal horn of spinal cord, on post-induction days 7, 14, 28, 42, and 56 (N = 5 rats/group/time point). For post-induction days 7-42, the MIA group presented significantly elevated concentrations of TNF-α than the other groups (p < 0.01), and a higher expression of CGRP-ir in FG-labeled DRG neurons than the sham group (p < 0.01). MIA rats also presented significantly more FG-labeled GAP-43-ir DRG neurons than the sham group on post-induction days 28, 42, and 56 (p < 0.05), and a significantly higher number of Iba-1-ir microglia in the ipsilateral dorsal horn than the other groups, on post-induction days 28, 42, and 56. The results suggest that in rat models, pain-related pathologies due to MIA-induced hip OA, originate from inflammation caused by cytokines, which leads to progressive, chronic neuronal damage that may cause neuropathic pain. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2978-2986, 2018.
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Affiliation(s)
- Yuya Kawarai
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Sumihisa Orita
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Junichi Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Shuichi Miyamoto
- Department of Orthopaedic Surgery, Kimitsu Chuo Hospital 1010 Sakurai, Kisarazu City, Chiba 292-8535, Japan
| | - Miyako Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Kazuhide Inage
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Shigeo Hagiwara
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Takane Suzuki
- Department of Bioenvironmental Medicine, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
| | - Takayuki Nakajima
- Department of Orthopaedic Surgery, Eastern Chiba Medical Center, 3-6-2 Okayamadai, Togane, Chiba 283-8686, Japan
| | - Tsutomu Akazawa
- Department of Orthopaedic Surgery, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae-ku, Kawasaki, Kanagawa 216-8511, Japan
| | - Seiji Ohtori
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University 1-8-1 Inohana, Chuo-ku, Chiba 260-8677, Japan
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22
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Kurien T, Arendt-Nielsen L, Petersen KK, Graven-Nielsen T, Scammell BE. Preoperative Neuropathic Pain-like Symptoms and Central Pain Mechanisms in Knee Osteoarthritis Predicts Poor Outcome 6 Months After Total Knee Replacement Surgery. THE JOURNAL OF PAIN 2018; 19:1329-1341. [DOI: 10.1016/j.jpain.2018.05.011] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 05/07/2018] [Accepted: 05/17/2018] [Indexed: 12/15/2022]
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Galindo T, Reyna J, Weyer A. Evidence for Transient Receptor Potential (TRP) Channel Contribution to Arthritis Pain and Pathogenesis. Pharmaceuticals (Basel) 2018; 11:E105. [PMID: 30326593 PMCID: PMC6315622 DOI: 10.3390/ph11040105] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 10/08/2018] [Accepted: 10/12/2018] [Indexed: 02/07/2023] Open
Abstract
Based on clinical and preclinical evidence, Transient Receptor Potential (TRP) channels have emerged as potential drug targets for the treatment of osteoarthritis, rheumatoid arthritis, and gout. This review summarizes the relevant data supporting a role for various TRP channels in arthritis pain and pathogenesis, as well as the current state of pharmacological efforts to ameliorate arthritis symptoms in patient populations.
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Affiliation(s)
- Tabitha Galindo
- School of Physical Therapy and Athletic Training, Pacific University, Hillsboro, OR 97116, USA.
| | - Jose Reyna
- School of Physical Therapy and Athletic Training, Pacific University, Hillsboro, OR 97116, USA.
| | - Andy Weyer
- Biological Sciences Department, City College of San Francisco, San Francisco, CA 94112, USA.
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Shmagel A, Onizuka N, Langsetmo L, Vo T, Foley R, Ensrud K, Valen P. Low magnesium intake is associated with increased knee pain in subjects with radiographic knee osteoarthritis: data from the Osteoarthritis Initiative. Osteoarthritis Cartilage 2018; 26:651-658. [PMID: 29454594 DOI: 10.1016/j.joca.2018.02.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 02/04/2018] [Accepted: 02/07/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE As magnesium mediates bone and muscle metabolism, inflammation, and pain signaling, we aimed to evaluate whether magnesium intake is associated with knee pain and function in radiographic knee osteoarthritis (OA). METHODS We investigated the associations between knee pain/function metrics and magnesium intake from food and supplements in 2548 Osteoarthritis Initiative cohort participants with prevalent radiographic knee OA (Kellgren-Lawrence score ≥2). Magnesium intake was assessed by Food Frequency Questionnaire (FFQ) at baseline. WOMAC and Knee Injury and Osteoarthritis Outcome Score (KOOS) scores were reported annually with total follow up of 48 months. Analyses used linear mixed models. RESULTS Among participants with baseline radiographic knee OA the mean total magnesium intake was 309.9 mg/day (SD 132.6) for men, and 287.9 mg/day (SD 118.1) for women, with 68% of men and 44% of women below the estimated average requirement. Subjects with lower magnesium intake had worse knee OA pain and function scores, throughout the 48 months (P < 0.001). After adjustment for age, sex, race, body mass index (BMI), calorie intake, fiber intake, pain medication use, physical activity, renal insufficiency, smoking, and alcohol use, lower magnesium intake remained associated with worse pain and function outcomes (1.4 points higher WOMAC and 1.5 points lower KOOS scores for every 50 mg of daily magnesium intake, P < 0.05). Fiber intake was an effect modifier (P for interaction <0.05). The association between magnesium intake and knee pain and function scores was strongest among subjects with low fiber intake. CONCLUSION Lower magnesium intake was associated with worse pain and function in knee OA, especially among individuals with low fiber intake.
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Affiliation(s)
- A Shmagel
- Division of Rheumatic and Autoimmune Diseases, University of Minnesota, USA.
| | | | - L Langsetmo
- Minneapolis VA Center for Chronic Disease Outcomes Research, Department of Epidemiology and Community Health, School of Public Health, University of Minnesota, USA
| | - T Vo
- Department of Epidemiology and Community Health, School of Public Health, University of Minnesota, USA
| | - R Foley
- University of Minnesota, Division of Renal Diseases and Hypertension, USA
| | - K Ensrud
- University of Minnesota, Minneapolis VA Center for Chronic Disease Outcomes Research, USA
| | - P Valen
- University of Minnesota, Minneapolis VA Medical Center, USA
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Lü Q, Gou Y, Tian F, Zhang L. [Research progress on protease-activated receptor 2 in pathogenesis of osteoarthritis]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2017; 31:1517-1522. [PMID: 29806398 DOI: 10.7507/1002-1892.201705025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Objective To review the research progress on protease-activated receptor 2 (PAR-2) in the pathogenesis of osteoarthritis (OA). Methods The relevant literature about the mechanism of PAR-2 in the occurrence and development of OA in recent years was extensively reviewed and comprehensively analyzed. Results Abnormal activation of PAR-2 plays an important role in responses to occurrence and development of OA. Through regulating production and releasing of a variety of cytokines (such as inflammatory factors, metabolic factors, pain factors, etc.), the PAR-2 can involve in pathophysiological progression of OA articular cartilage, subchondral bone, and synovial membrane, as well as occurrence and transmission of pain. Conclusion PAR-2 participation in the development of OA has been confirmed. However, since PAR-2 is complicated and widespread, it is necessary to study the specific role of PAR-2 and the interaction between various signal pathways in the progression of OA, and to elucidate the potential pathophysiological mechanisms of PAR-2 participating in the process of OA, in the hope of exploring the new targets for the effective control of OA.
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Affiliation(s)
- Qinglie Lü
- Department of Orthopedics, Affiliated Hospital of North China University of Science and Technology, Tangshan Hebei, 063000, P.R.China
| | - Yu Gou
- Graduate School of Hebei Medical University, Shijiazhuang Hebei, 050017, P.R.China
| | - Faming Tian
- Medical Research Center, North China University of Science and Technology, Tangshan Hebei, 063000,
| | - Liu Zhang
- Department of Orthopedics, Affiliated Hospital of North China University of Science and Technology, Tangshan Hebei, 063000,
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26
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Schou WS, Ashina S, Amin FM, Goadsby PJ, Ashina M. Calcitonin gene-related peptide and pain: a systematic review. J Headache Pain 2017; 18:34. [PMID: 28303458 PMCID: PMC5355411 DOI: 10.1186/s10194-017-0741-2] [Citation(s) in RCA: 145] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 02/28/2017] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Calcitonin gene-related peptide (CGRP) is widely distributed in nociceptive pathways in human peripheral and central nervous system and its receptors are also expressed in pain pathways. CGRP is involved in migraine pathophysiology but its role in non-headache pain has not been clarified. METHODS We performed a systematic literature search on PubMed, Embase and ClinicalTrials.gov for articles on CGRP and non-headache pain covering human studies including experimental studies and randomized clinical trials. RESULTS The literature search identified 375 citations of which 50 contained relevant original data. An association between measured CGRP levels and somatic, visceral, neuropathic and inflammatory pain was found. In 13 out of 20 studies in somatic pain conditions, CGRP levels had a positive correlation with pain. Increased CGRP levels were reported in plasma, synovial and cerebrospinal fluid in subjects with musculoskeletal pain. A randomized clinical trial on monoclonal antibody, which selectively binds to and inhibits the activity of CGRP (galcanezumab) in patients with osteoarthritis knee pain, failed to demonstrate improvement of pain compared with placebo. No studies to date have investigated the efficacy of monoclonal antibodies against CGRP receptor in non-headache pain conditions. CONCLUSION The present review revealed the association between measured CGRP levels and somatic, visceral, neuropathic and inflammatory pain. These data suggest that CGRP may act as a neuromodulator in non-headache pain conditions. However, more studies are needed to fully understand the role of CGRP in nociceptive processing and therapy of chronic pain.
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Affiliation(s)
- Wendy Sophie Schou
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Sait Ashina
- Department of Neurology, NYU Lutheran Headache Center, New York University School of Medicine, NYU Langone Medical Center, New York, NY, USA
| | - Faisal Mohammad Amin
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Peter J Goadsby
- Basic & Clinical Neuroscience, and NIHR-Wellcome Trust King's Clinical Research Facility, King's College London, London, UK
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, University of Copenhagen, Copenhagen, Denmark.
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Manitpisitkul P, Shalayda K, Russell L, Sanga P, Solanki B, Caruso J, Iwaki Y, Moyer JA. Pharmacokinetics and Safety of Mavatrep (JNJ-39439335), a TRPV1 Antagonist in Healthy Japanese and Caucasian Men: A Double-Blind, Randomized, Placebo-Controlled, Sequential-Group Phase 1 Study. Clin Pharmacol Drug Dev 2017; 7:712-726. [PMID: 29125703 DOI: 10.1002/cpdd.413] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 09/25/2017] [Indexed: 01/05/2023]
Abstract
This single-center, double-blind, placebo-controlled, sequential-group phase 1 study evaluated the safety, tolerability, and pharmacokinetics (PK) of mavatrep (JNJ-39439335), a transient receptor potential vanilloid 1 antagonist, in healthy Japanese and caucasian subjects. In part 1, a single-ascending-dose study, 50 subjects (25 each healthy Japanese and caucasians) were enrolled and received a single oral dose of 10, 25, or 50 mg mavatrep. Caucasian subjects were matched to Japanese subjects with respect to age (±5 years) and body mass index (±5 kg/m2 ). In part 2, a multiple-ascending-dose study, 36 Japanese subjects were enrolled and received once-daily oral doses of 10, 25, or 50 mg of mavatrep for 21 days. The single-dose PK of mavatrep and its metabolites was similar in the Japanese and caucasian subjects after adjustment of body weight. Following multiple dosing in Japanese subjects, a steady-state condition was reached in approximately 14 days. M2 and M3 are major circulating metabolites with mean exposure > 10% of mavatrep. Nonrenal clearance was the major route of elimination for mavatrep, M2, and M3. Mavatrep exhibited a long half-life, ranging from 68 to 101 and 82-130 hours for Japanese and caucasian subjects, respectively. After single and multiple dosing, mavatrep was well tolerated. The most common adverse events observed were thermohypoesthesia, feeling cold, chills, and feeling hot. Mavatrep and its metabolites exhibited similar PK profiles after single ascending doses in healthy Japanese and caucasian men.
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Affiliation(s)
| | | | | | - Panna Sanga
- Janssen Research & Development, LLC, Raritan, NJ, USA
| | | | - Joseph Caruso
- Janssen Research & Development, LLC, Raritan, NJ, USA
| | - Yuki Iwaki
- Janssen Research & Development, LLC, Raritan, NJ, USA
| | - John A Moyer
- Janssen Research & Development, LLC, Raritan, NJ, USA
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French HP, Smart KM, Doyle F. Prevalence of neuropathic pain in knee or hip osteoarthritis: A systematic review and meta-analysis. Semin Arthritis Rheum 2017; 47:1-8. [DOI: 10.1016/j.semarthrit.2017.02.008] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/19/2017] [Accepted: 02/15/2017] [Indexed: 12/01/2022]
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Miyamoto S, Nakamura J, Ohtori S, Orita S, Nakajima T, Omae T, Hagiwara S, Takazawa M, Suzuki M, Suzuki T, Takahashi K. Pain-related behavior and the characteristics of dorsal-root ganglia in a rat model of hip osteoarthritis induced by mono-iodoacetate. J Orthop Res 2017; 35:1424-1430. [PMID: 27543839 DOI: 10.1002/jor.23395] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 08/19/2016] [Indexed: 02/04/2023]
Abstract
The principal aim of this study was to clarify the time course of pain-related behavior and pain-related sensory innervation in a rat model of hip osteoarthritis (OA) induced by intra-articular injection of mono-iodoacetate (MIA). Using 6-week-old male Sprague Dawley rats, 25 μl of sterile saline of 1% Fluoro-Gold solution (FG) (control group; n = 30) and 25 μl of sterile saline of 1% FG with 2 mg of MIA (MIA group; n = 30) was injected into the right hip joints. Gait function was evaluated using a CatWalk system after 7, 14, 28, 42, and 56 days (n = 5, respectively). Neurons in the dorsal root ganglion (DRG) between L1 and L5 were immunostained for calcitonin gene-related peptide (CGRP) and activating transcription factor-3 (ATF3). Gait analysis revealed the mean six parameters of hind paws at all time points were significantly lower in the MIA group (p = 0.05). The number of CGRP-immunoreactive (-IR) DRG neurons was significantly increased on days 7, 14, 28, and 42 peaking at 14 days in the MIA group. By contrast, expression of ATF3-IR in FG-labeled DRG neurons was significantly increased on days 42 and 57. The FG-labeled DRG neurons were distributed between L1 and L5, mainly at the L4 level. Pain-related behavior indicated by gait disturbance was observed in a MIA model of hip OA in rat. Early elevation of CGRP expression and late expression of ATF-3 were demonstrated in DRG neurons, possibly reflecting inflammatory pain and neuropathic pain in hip OA. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1424-1430, 2017.
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Affiliation(s)
- Shuichi Miyamoto
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Junichi Nakamura
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Seiji Ohtori
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Sumihisa Orita
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Takayuki Nakajima
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Takanori Omae
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Shigeo Hagiwara
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Makoto Takazawa
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Miyako Suzuki
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Takane Suzuki
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
| | - Kazuhisa Takahashi
- Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba City 260-8677, Chiba, Japan
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Walsh DA. Editorial: Arthritis Pain: Moving Between Early- and Late-Stage Disease. Arthritis Rheumatol 2017; 69:1343-1345. [DOI: 10.1002/art.40126] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 04/11/2017] [Indexed: 11/08/2022]
Affiliation(s)
- David A. Walsh
- Arthritis Research UK Pain Centre, University of Nottingham; Nottingham UK
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31
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Aghazadeh Tabrizi M, Baraldi PG, Baraldi S, Gessi S, Merighi S, Borea PA. Medicinal Chemistry, Pharmacology, and Clinical Implications of TRPV1 Receptor Antagonists. Med Res Rev 2016; 37:936-983. [PMID: 27976413 DOI: 10.1002/med.21427] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 10/24/2016] [Accepted: 11/01/2016] [Indexed: 12/28/2022]
Abstract
Transient receptor potential vanilloid 1 (TRPV1) is an ion channel expressed on sensory neurons triggering an influx of cations. TRPV1 receptors function as homotetramers responsive to heat, proinflammatory substances, lipoxygenase products, resiniferatoxin, endocannabinoids, protons, and peptide toxins. Its phosphorylation increases sensitivity to both chemical and thermal stimuli, while desensitization involves a calcium-dependent mechanism resulting in receptor dephosphorylation. TRPV1 functions as a sensor of noxious stimuli and may represent a target to avoid pain and injury. TRPV1 activation has been associated to chronic inflammatory pain and peripheral neuropathy. Its expression is also detected in nonneuronal areas such as bladder, lungs, and cochlea where TRPV1 activation is responsible for pathology development of cystitis, asthma, and hearing loss. This review offers a comprehensive overview about TRPV1 receptor in the pathophysiology of chronic pain, epilepsy, cough, bladder disorders, diabetes, obesity, and hearing loss, highlighting how drug development targeting this channel could have a clinical therapeutic potential. Furthermore, it summarizes the advances of medicinal chemistry research leading to the identification of highly selective TRPV1 antagonists and their analysis of structure-activity relationships (SARs) focusing on new strategies to target this channel.
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Affiliation(s)
- Mojgan Aghazadeh Tabrizi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121, Ferrara, Italy
| | - Pier Giovanni Baraldi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121, Ferrara, Italy
| | - Stefania Baraldi
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, 44121, Ferrara, Italy
| | - Stefania Gessi
- Section of Pharmacology, Department of Medical Sciences, University of Ferrara, 44121, Ferrara, Italy
| | - Stefania Merighi
- Section of Pharmacology, Department of Medical Sciences, University of Ferrara, 44121, Ferrara, Italy
| | - Pier Andrea Borea
- Section of Pharmacology, Department of Medical Sciences, University of Ferrara, 44121, Ferrara, Italy
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TRP channels: potential drug target for neuropathic pain. Inflammopharmacology 2016; 24:305-317. [PMID: 27757589 DOI: 10.1007/s10787-016-0288-x] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 10/05/2016] [Indexed: 01/06/2023]
Abstract
Neuropathic pain is a debilitating disease which affects central as well as peripheral nervous system. Transient receptor potential (TRP) channels are ligand-gated ion channels that detect physical and chemical stimuli and promote painful sensations via nociceptor activation. TRP channels have physiological role in the mechanisms controlling several physiological responses like temperature and mechanical sensations, response to painful stimuli, taste, and pheromones. TRP channel family involves six different TRPs (TRPV1, TRPV2, TRPV3, TRPV4, TRPM8, and TRPA1) which are expressed in pain sensing neurons and primary afferent nociceptors. They function as transducers for mechanical, chemical, and thermal stimuli into inward currents, an essential first step for provoking pain sensations. TRP ion channels activated by temperature (thermo TRPs) are important molecular players in acute, inflammatory, and chronic pain states. Different degree of heat activates four TRP channels (TRPV1-4), while cold temperature ranging from affable to painful activate two indistinctly related thermo TRP channels (TRPM8 and TRPA1). Targeting primary afferent nociceptive neurons containing TRP channels that play pivotal role in revealing physical stimuli may be an effective target for the development of successful pharmacotherapeutics for clinical pain syndromes. In this review, we highlighted the potential role of various TRP channels in different types of neuropathic pain. We also discussed the pharmacological activity of naturally and synthetically originated TRP channel modulators for pharmacotherapeutics of nociception and neuropathic pain.
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Minatani A, Uchida K, Inoue G, Takano S, Aikawa J, Miyagi M, Fujimaki H, Iwase D, Onuma K, Matsumoto T, Takaso M. Activation of calcitonin gene-related peptide signaling through the prostaglandin E2-EP1/EP2/EP4 receptor pathway in synovium of knee osteoarthritis patients. J Orthop Surg Res 2016; 11:117. [PMID: 27751171 PMCID: PMC5067902 DOI: 10.1186/s13018-016-0460-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 09/28/2016] [Indexed: 02/24/2023] Open
Abstract
BACKGROUND Calcitonin gene-related peptide (CGRP) is a 37-amino-acid vasodilatory neuropeptide that binds to receptor activity-modifying protein 1 (RAMP1) and the calcitonin receptor-like receptor (CLR). Clinical and preclinical evidence suggests that CGRP is associated with hip and knee joint pain; however, the regulation mechanisms of CGRP/CGRP receptor signaling in synovial tissue are not fully understood. METHODS Synovial tissues were harvested from 43 participants with radiographic knee osteoarthritis (OA; unilateral Kellgren/Lawrence (K/L) grades 3-4) during total knee arthroplasty. Correlationships between the mRNA expression levels of CGRP and those of tumor necrosis factor-α (TNF-α), interleukin (IL)-1β, IL-6, and cycloxygenase-2 (COX-2) were evaluated using real-time PCR analysis of total RNA extracted from the collected synovial tissues. To investigate the factors controlling the regulation of CGRP and CGRP receptor expression, cultured synovial cells were stimulated with TNF-α, IL-1β, IL-6, and prostaglandin E2 (PGE2) and were also treated with PGE2 receptor (EP) agonist. RESULTS CGRP and COX-2 localized in the synovial lining layer. Expression of COX-2 positively correlated with CGRP mRNA expression in the synovial tissue of OA patients. The gene expression of CGRP and RAMP1 increased significantly in synovial cells exogenously treated with PGE2 compared to untreated control cells. In cultured synovial cells, CGRP gene expression increased significantly following EP4 agonist treatment, whereas RAMP1 gene expression increased significantly in the presence of exogenously added EP1 and EP2 agonists. CONCLUSIONS PGE2 appears to regulate CGRP/CGRP receptor signaling through the EP receptor in the synovium of knee OA patients.
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Affiliation(s)
- Atsushi Minatani
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan.
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Shotaro Takano
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Jun Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Hisako Fujimaki
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Dai Iwase
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Kenji Onuma
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Toshihide Matsumoto
- Department of Pathology, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
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Nociceptive phenotype alterations of dorsal root ganglia neurons innervating the subchondral bone in osteoarthritic rat knee joints. Osteoarthritis Cartilage 2016; 24:1596-603. [PMID: 27085969 DOI: 10.1016/j.joca.2016.04.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 03/11/2016] [Accepted: 04/04/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Subchondral bone plays a role in generating knee joint pain in osteoarthritis (OA). The objective of this study was to clarify nociceptive phenotype alterations of subchondral bone afferents of the distal femur in mono-iodoacetate (MIA)-induced OA rats. METHODS OA was induced by intra-articular injection of MIA in rats. Two different retrograde tracers were separately injected into the knee joint cavity and the subchondral bone to identify joint and subchondral bone afferents. Immunohistochemistry was used at 2 weeks (early stage) and 6 weeks (advanced stage) after MIA injection to determine the expression of nociceptive markers (calcitonin gene-related peptide (CGRP) and tyrosine receptor kinase A (TrkA)) and the soma size distribution of CGRP-immunoreactive (IR) neurons. Histological subchondral bone and cartilage damage was scored according to the Osteoarthritis Research Society International grading system. Pain-related behavior was evaluated using weight distribution and mechanical sensitivity of the hind paw. RESULTS OA caused an up-regulation of CGRP, TrkA and enlargement of soma size of CGRP-IR neurons in both joint and subchondral bone afferents. CGRP and TrkA expression in subchondral bone afferents gradually increased over 6 weeks. Furthermore, up-regulation of CGRP and TrkA in subchondral bone afferents displayed a strong correlation with the subchondral bone damage score. CONCLUSION Up-regulation of nociceptive markers in subchondral bone afferents correlated with subchondral bone damage, suggesting that subchondral bone is a therapeutic target, especially in the case of advanced stage knee OA. In particular, CGRP and TrkA are potentially molecular therapeutic targets to treat joint pain associated with subchondral lesions.
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Koda K, Hyakkoku K, Ogawa K, Takasu K, Imai S, Sakurai Y, Fujita M, Ono H, Yamamoto M, Fukuda I, Yamane S, Morita A, Asaki T, Kanemasa T, Sakaguchi G, Morioka Y. Sensitization of TRPV1 by protein kinase C in rats with mono-iodoacetate-induced joint pain. Osteoarthritis Cartilage 2016; 24:1254-62. [PMID: 26970286 DOI: 10.1016/j.joca.2016.02.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 02/10/2016] [Accepted: 02/26/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To assess the functional changes of Transient receptor potential vanilloid 1 (TRPV1) receptor and to clarify its mechanism in a rat mono-iodoacetate (MIA)-induced joint pain model (MIA rats), which has joint degeneration with cartilage loss similar to osteoarthritis. METHODS Sensitization of TRPV1 in MIA rats was assessed by transient spontaneous pain behavior induced by capsaicin injection in knee joints and electrophysiological changes of dorsal root ganglion (DRG) neurons innervating knee joints in response to capsaicin. Mechanisms of TRPV1 sensitization were analyzed by a newly developed sandwich enzyme-linked immunosorbent assay that detects phosphorylated TRPV1, followed by functional and expression analyses of protein kinase C (PKC) in vivo and in vitro, which involves TRPV1 phosphorylation. RESULTS Pain-related behavior induced by intra-articular injection of capsaicin was significantly increased in MIA rats compared with sham rats. In addition, capsaicin sensitivity, evaluated by capsaicin-induced inward currents, was significantly increased in DRG neurons of MIA rats. Protein levels of TRPV1 remained unchanged, but phosphorylated TRPV1 at Ser800 increased in DRG neurons of MIA rats. Phosphorylated-PKCɛ (p-PKCɛ) increased and co-localized with TRPV1 in DRG neurons of MIA rats. Capsaicin-induced pain-related behavior in MIA rats was inhibited by intra-articular pretreatment of the PKC inhibitor bisindolylmaleimide I. In addition, intra-articular injection of the PKC activator phorbol 12-myristate 13-acetate increased capsaicin-induced pain-related behavior in normal rats. CONCLUSION TRPV1 was sensitized at the knee joint and at DRG neurons of MIA rats through PKC activation. Thus, TRPV1 sensitization might be involved in chronic pain caused by osteoarthritis.
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Affiliation(s)
- K Koda
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - K Hyakkoku
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - K Ogawa
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - K Takasu
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - S Imai
- Antibody Therapeutics, Discovery Research Laboratory for Innovative Frontier Medicines, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - Y Sakurai
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - M Fujita
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - H Ono
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - M Yamamoto
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - I Fukuda
- Biomarker, Biotechnology-Based Medicine, Discovery Research Laboratory for Innovative Frontier Medicines, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - S Yamane
- Antibody Therapeutics, Discovery Research Laboratory for Innovative Frontier Medicines, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - A Morita
- Biomarker, Biotechnology-Based Medicine, Discovery Research Laboratory for Innovative Frontier Medicines, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - T Asaki
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - T Kanemasa
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - G Sakaguchi
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
| | - Y Morioka
- Pain & Neuroscience, Discovery Research Laboratories for Core Therapeutic Areas, Shionogi & Co., Ltd., 1-1 Futaba-cho, 3-chome, Toyonaka, Osaka 561-0825, Japan.
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Wen ZH, Tang CC, Chang YC, Huang SY, Lin YY, Hsieh SP, Lee HP, Lin SC, Chen WF, Jean YH. Calcitonin attenuates cartilage degeneration and nociception in an experimental rat model of osteoarthritis: role of TGF-β in chondrocytes. Sci Rep 2016; 6:28862. [PMID: 27345362 PMCID: PMC4921823 DOI: 10.1038/srep28862] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 06/06/2016] [Indexed: 12/19/2022] Open
Abstract
We investigated the role of the calcitonin (Miacalcin) in the progression of osteoarthritis (OA) and in nociceptive behavior in an experimental rat model of OA and osteoporosis. OA was induced by anterior cruciate ligament transection (ACLT) of the right knee and by bilateral ovariectomy (OVX) in Wistar rats. Nociceptive behaviors (secondary mechanical allodynia and weight-bearing distribution of the hind paws) were analyzed prior to surgery and every week, beginning at 12 weeks after surgery, up to 20 weeks. At 20 weeks, histopathological studies were performed on the cartilage of the knee joints. Immunohistochemical analysis was performed to examine the effect of calcitonin on transforming growth factor (TGF)-β1 expression in articular cartilage chondrocytes. Rats subjected to ACLT + OVX surgery showed obvious OA changes in the joints. Animals subjected to ACLT + OVX and treated with calcitonin showed significantly less cartilage degeneration and improved nociceptive tests compared with animals subjected to ACLT + OVX surgeries alone. Moreover, calcitonin increased TGF-β1 expression in chondrocytes in ACLT + OVX-affected cartilage. Subcutaneous injection of calcitonin (1) attenuated the development of OA, (2) concomitantly reduced nociception, and (3) modulated chondrocyte metabolism, possibly by increasing cellular TGF-β1 expression.
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Affiliation(s)
- Zhi-Hong Wen
- Department of Marine Biotechnology &Resources, and Center for Translational Biopharmaceuticals, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Chi-Chieh Tang
- Department of Early Childhood Education, National Pintung University, Taiwan
| | - Yi-Chen Chang
- Department of Marine Biotechnology &Resources, and Center for Translational Biopharmaceuticals, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Shi-Ying Huang
- Department of Marine Biotechnology &Resources, and Center for Translational Biopharmaceuticals, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Yen-You Lin
- Department of Marine Biotechnology &Resources, and Center for Translational Biopharmaceuticals, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Shih-Peng Hsieh
- Section of Pathology, Pingtung Christian Hospital, Pingtung, Taiwan
| | - Hsin-Pai Lee
- Section of Pathology, Pingtung Christian Hospital, Pingtung, Taiwan.,Department of Orthopedic Surgery, Pingtung Christian Hospital, Pingtung, Taiwan
| | - Sung-Chun Lin
- Section of Pathology, Pingtung Christian Hospital, Pingtung, Taiwan.,Department of Orthopedic Surgery, Pingtung Christian Hospital, Pingtung, Taiwan
| | - Wu-Fu Chen
- Department of Orthopedic Surgery, Pingtung Christian Hospital, Pingtung, Taiwan.,Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Taiwan
| | - Yen-Hsuan Jean
- Department of Orthopedic Surgery, Pingtung Christian Hospital, Pingtung, Taiwan
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37
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Dunn SL, Wilkinson JM, Crawford A, Bunning RAD, Le Maitre CL. Expression of Cannabinoid Receptors in Human Osteoarthritic Cartilage: Implications for Future Therapies. Cannabis Cannabinoid Res 2016; 1:3-15. [PMID: 28861474 PMCID: PMC5576594 DOI: 10.1089/can.2015.0001] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Introduction: Cannabinoids have shown to reduce joint damage in animal models of arthritis and reduce matrix metalloproteinase expression in primary human osteoarthritic (OA) chondrocytes. The actions of cannabinoids are mediated by a number of receptors, including cannabinoid receptors 1 and 2 (CB1 and CB2), G-protein-coupled receptors 55 and 18 (GPR55 and GPR18), transient receptor potential vanilloid-1 (TRPV1), and peroxisome proliferator-activated receptors alpha and gamma (PPARα and PPARγ). However, to date very few studies have investigated the expression and localization of these receptors in human chondrocytes, and expression during degeneration, and thus their potential in clinical applications is unknown. Methods: Human articular cartilage from patients with symptomatic OA was graded histologically and the expression and localization of cannabinoid receptors within OA cartilage and underlying bone were determined immunohistochemically. Expression levels across regions of cartilage and changes with degeneration were investigated. Results: Expression of all the cannabinoid receptors investigated was observed with no change with grade of degeneration seen in the expression of CB1, CB2, GPR55, PPARα, and PPARγ. Conversely, the number of chondrocytes within the deep zone of cartilage displaying immunopositivity for GPR18 and TRPV1 was significantly decreased in degenerate cartilage. Receptor expression was higher in chondrocytes than in osteocytes in the underlying bone. Conclusions: Chondrocytes from OA joints were shown to express a wide range of cannabinoid receptors even in degenerate tissues, demonstrating that these cells could respond to cannabinoids. Cannabinoids designed to bind to receptors inhibiting the catabolic and pain pathways within the arthritic joint, while avoiding psychoactive effects, could provide potential arthritis therapies.
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Affiliation(s)
- Sara L Dunn
- Faculty of Health and Wellbeing, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | - Jeremy Mark Wilkinson
- Academic Unit of Bone Metabolism, Department of Human Metabolism, University of Sheffield, Sheffield, United Kingdom
| | - Aileen Crawford
- Centre for Biomaterials and Tissue Engineering, School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Rowena A D Bunning
- Faculty of Health and Wellbeing, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
| | - Christine L Le Maitre
- Faculty of Health and Wellbeing, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, United Kingdom
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Kim Y, Kim EH, Lee KS, Lee K, Park SH, Na SH, Ko C, Kim J, Yooon YW. The effects of intra-articular resiniferatoxin on monosodium iodoacetate-induced osteoarthritic pain in rats. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2015; 20:129-36. [PMID: 26807032 PMCID: PMC4722186 DOI: 10.4196/kjpp.2016.20.1.129] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 11/16/2015] [Accepted: 11/20/2015] [Indexed: 01/19/2023]
Abstract
This study was performed to investigate whether an intra-articular injection of transient receptor potential vanilloid 1 (TRPV1) receptor agonist, resiniferatoxin (RTX) would alleviate behavioral signs of arthritic pain in a rat model of osteoarthritis (OA). We also sought to determine the effect of RTX treatment on calcitonin gene-related peptide (CGRP) expression in the spinal cord. Knee joint inflammation was induced by intra-articular injection of monosodium iodoacetate (MIA, 8 mg/50 µl) and weight bearing percentage on right and left hindpaws during walking, paw withdrawal threshold to mechanical stimulation, and paw withdrawal latency to heat were measured to evaluate pain behavior. Intra-articular administration of RTX (0.03, 0.003 and 0.0003%) at 2 weeks after the induction of knee joint inflammation significantly improved reduction of weight bearing on the ipsilateral hindlimb and increased paw withdrawal sensitivity to mechanical and heat stimuli. The reduction of pain behavior persisted for 3~10 days according to each behavioral test. The MIA-induced increase in CGRP immunoreactivity in the spinal cord was decreased by RTX treatment in a dose-dependent manner. The present study demonstrated that a single intra-articular administration of RTX reduced pain behaviors for a relatively long time in an experimental model of OA and could normalize OA-associated changes in peptide expression in the spinal cord.
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Affiliation(s)
- Youngkyung Kim
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea.; Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea
| | - Eun-Hye Kim
- Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea
| | - Kyu Sang Lee
- School of Health and Fitness Management, College of Health and Welfare, Woosong University, Daejeon 34606, Korea
| | - Koeun Lee
- Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea.; Department of Rehabilitation Policy and Standardization, National Rehabilitation Research Institute (KNRRI), Seoul 01022, Korea
| | - Sung Ho Park
- Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea.; Department of Physical Therapy, Korea University College of Health Science, Seoul 02841, Korea
| | - Sook Hyun Na
- Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea
| | - Cheolwoong Ko
- Advanced Biomedical and Welfare Group, Korea Institute of Industrial Technology (KITECH), Cheonan 31056, Korea
| | - Junesun Kim
- Rehabilitation Science Program, Department of Public Health Science, Graduate School, Korea University, Seoul 02841, Korea.; Department of Physical Therapy, Korea University College of Health Science, Seoul 02841, Korea
| | - Young Wook Yooon
- Neuroscience Research Institute and Department of Physiology, Korea University College of Medicine, Seoul 02841, Korea
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Takano S, Uchida K, Miyagi M, Inoue G, Aikawa J, Fujimaki H, Minatani A, Sato M, Iwabuchi K, Takaso M. Synovial macrophage-derived IL-1β regulates the calcitonin receptor in osteoarthritic mice. Clin Exp Immunol 2015; 183:143-9. [PMID: 26400621 DOI: 10.1111/cei.12712] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2015] [Indexed: 12/26/2022] Open
Abstract
Recent studies have reported that calcitonin gene-related peptide (CGRP) contributes to joint pain. However, regulation of the CGRP/CGRP receptor signalling in osteoarthritis (OA) is not fully understood. To investigate the regulation of CGRP/CGRP receptor signalling by macrophages in the synovial tissue (ST) of OA joints, we characterized the gene expression profiles of CGRP and CGRP receptors in the ST of OA mice (STR/Ort). In addition, we examined whether macrophage depletion by the systemic injection of clodronate-laden liposomes affected the expression of CGRP and CGRP receptors in ST. CD11c(+) macrophages in the ST of STR/Ort and C57BL/6J mice were analysed by flow cytometry. Real-time polymerase chain reaction (PCR) was used to evaluate the expression of interleukin (IL)-1β, CGRP, calcitonin receptor-like receptor (CLR) and receptor activity-modifying protein 1 (RAMP1) in F4/80(+) and F4/80(-) cells. The effects of IL-1β on the expression of CGRP and CLR by cultured synovial cells were also examined. The percentage of CD11c(+) macrophages in the ST of STR/Ort was higher than that in C57/BL6J mice. Notably, the F4/80(+) cell fraction expressed IL-1β highly, whereas the F4/80(-) cell fraction expressed CGRP, CLR, and RAMP1 highly. In addition, expression of the IL-1β and CLR genes was increased in ST, but was decreased upon macrophage depletion, and the IL-1β treatment of cultured synovial cells up-regulated CLR. Taken together, the present findings suggest that synovial macrophages are the major producers of IL-1β and regulators of CLR in OA mice. Therefore, macrophages and IL-1β may be suitable therapeutic targets for treating OA pain.
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Affiliation(s)
- S Takano
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - K Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - M Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - G Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - J Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - H Fujimaki
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - A Minatani
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - M Sato
- Department of Immunology, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - K Iwabuchi
- Department of Immunology, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
| | - M Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, Sagamihara City, Kanagawa, Japan
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da Silva MD, Cidral-Filho FJ, Winkelmann-Duarte EC, Cargnin-Ferreira E, Calixto JB, Dutra RC, Santos ARS. Diacerein reduces joint damage, pain behavior and inhibits transient receptor potential vanilloid 1, matrix metalloproteinase and glial cells in rat spinal cord. Int J Rheum Dis 2015; 20:1337-1349. [PMID: 26481104 DOI: 10.1111/1756-185x.12741] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIM To investigate the antinociceptive, antiedematogenic and chondroprotective effects of diacerein (DIA) in a model of joint inflammation induced by complete Freund's adjuvant (CFA), as well as to investigate the involvement of metalloproteinase (MMP)-9, transient receptor potential vanilloid 1 (TRPV1) and glial cells in DIA's action mechanism. METHODS Complete Freund's adjuvant was injected into the knee joint of male rats. We observed mechanical and cold hypersensitivity, vocalization and spontaneous pain-related behaviors, as well as edema of the knee. Tissue samples of the knee were stained with Cason`s technique and the thickness of the condilus cartilage was measured. Immunohistochemical analysis was performed on the spinal cord using anti-GFAP (glial fibrillary acidic protein), anti-MMP and anti-TRPV1 antibodies. Sections of the dorsal horns of the spinal cord were captured and an optical density was obtained. RESULTS Complete Freund's adjuvant induced mechanical and thermal hypersensitivity, as well as joint edema and changes in the synovial membrane and cartilage. DIA (30 mg/kg, orally, daily) significantly inhibited mechanical (58 ± 10-87 ± 3%) and thermal (66 ± 12-87 ± 8%) hypersensitivity, vocalization (83 ± 5-41 ± 11%), spontaneous pain score, joint swelling (60 ± 6-40 ± 9%), as well as the histological changes induced by CFA. In addition, DIA inhibited astrocyte activation, and prevented the increase of MMP-9 and TRPV1 expression in the spinal cord of the animals subjected to CFA injections. CONCLUSIONS In short, this study shows that DIA reduces joint damage and hypersensitivity associated with inflammation induced by CFA through the inhibition of astroglial activation and decreases the expression of TRPV1 and MMP-9 in the rat spinal cord.
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Affiliation(s)
- Morgana Duarte da Silva
- Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil.,Programa de Pós-Graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil.,Departamento de Fisioterapia, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | - Francisco José Cidral-Filho
- Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil.,Programa de Pós-Graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil
| | - Elisa Cristina Winkelmann-Duarte
- Departamento de Ciências Morfológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil
| | - Eduardo Cargnin-Ferreira
- Laboratório de Marcadores Histológicos, Instituto Federal de Santa Catarina, Garopaba, SC, Brazil
| | - João B Calixto
- Centro de Inovação e Ensaios Pré-clínicos, Cachoeira do Bom Jesus, Florianópolis, SC, Brazil.,Departamento de Farmacologia, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil
| | - Rafael C Dutra
- Programa de Pós-Graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil.,Laboratório de Autoimunidade e Imunofarmacologia, Universidade Federal de Santa Catarina, Araranguá, SC, Brazil
| | - Adair Roberto Soares Santos
- Laboratório de Neurobiologia da Dor e Inflamação, Departamento de Ciências Fisiológicas, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil.,Programa de Pós-Graduação em Neurociências, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Trindade, Florianópolis, SC, Brazil
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Miller RE, Tran PB, Sondoqah A, Raghu P, Ishihara S, Miller RJ, Malfait AM. The Role of Peripheral Nociceptive Neurons in the Pathophysiology of Osteoarthritis Pain. Curr Osteoporos Rep 2015; 13:318-26. [PMID: 26233284 PMCID: PMC4596062 DOI: 10.1007/s11914-015-0280-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Knee osteoarthritis is characterized by progressive damage and remodeling of all tissues in the knee joint. Pain is the main symptom associated with knee osteoarthritis. Recent clinical and pre-clinical studies have provided novel insights into the mechanisms that drive the pain associated with joint destruction. In this narrative review, we describe current knowledge regarding the changes in the peripheral and central nervous systems that occur during the progression of osteoarthritis and discuss how therapeutic interventions may provide pain relief.
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Affiliation(s)
- Rachel E. Miller
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
- Department of Biochemistry, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
| | - Phuong B. Tran
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
| | - Alia Sondoqah
- Department of Biochemistry, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
| | - Padmanabhan Raghu
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
| | - Shingo Ishihara
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
| | - Richard J. Miller
- Department of Pharmacology, Northwestern University, Lurie 8-125, 303 E. Superior St, Chicago, IL 60611
| | - Anne-Marie Malfait
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
- Department of Biochemistry, Rush University Medical Center, 1611 W. Harrison St, Suite 510, Chicago, IL 60612
- Corresponding author Anne-Marie Malfait, MD, PhD, Associate Professor of Medicine, , T: 312-563-2925, F: 312-563-2267
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Hyaluronan modulates TRPV1 channel opening, reducing peripheral nociceptor activity and pain. Nat Commun 2015; 6:8095. [PMID: 26311398 PMCID: PMC4560824 DOI: 10.1038/ncomms9095] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 07/17/2015] [Indexed: 01/31/2023] Open
Abstract
Hyaluronan (HA) is present in the extracellular matrix of all body tissues, including synovial fluid in joints, in which it behaves as a filter that buffers transmission of mechanical forces to nociceptor nerve endings thereby reducing pain. Using recombinant systems, mouse-cultured dorsal root ganglia (DRG) neurons and in vivo experiments, we found that HA also modulates polymodal transient receptor potential vanilloid subtype 1 (TRPV1) channels. HA diminishes heat, pH and capsaicin (CAP) responses, thus reducing the opening probability of the channel by stabilizing its closed state. Accordingly, in DRG neurons, HA decreases TRPV1-mediated impulse firing and channel sensitization by bradykinin. Moreover, subcutaneous HA injection in mice reduces heat and capsaicin nocifensive responses, whereas the intra-articular injection of HA in rats decreases capsaicin joint nociceptor fibres discharge. Collectively, these results indicate that extracellular HA reduces the excitability of the ubiquitous TRPV1 channel, thereby lowering impulse activity in the peripheral nociceptor endings underlying pain. Hyaluronan is a major component of the extracellular matrix, and is used to treat joint pain in osteoarthritis. In this study, Caires et al. show hyaluronan achieves its analgesic effects by targeting TRPV1 and stabilising the channel in its closed state.
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Walsh DA, Mapp PI, Kelly S. Calcitonin gene-related peptide in the joint: contributions to pain and inflammation. Br J Clin Pharmacol 2015; 80:965-78. [PMID: 25923821 DOI: 10.1111/bcp.12669] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 03/31/2015] [Accepted: 04/27/2015] [Indexed: 12/15/2022] Open
Abstract
Arthritis is the commonest cause of disabling chronic pain, and both osteoarthritis (OA) and rheumatoid arthritis (RA) remain major burdens on both individuals and society. Peripheral release of calcitonin gene-related peptide (CGRP) contributes to the vasodilation of acute neurogenic inflammation. Contributions of CGRP to the pain and inflammation of chronic arthritis, however, are only recently being elucidated. Animal models of arthritis are revealing the molecular and pathophysiological events that accompany and lead to progression of both arthritis and pain. Peripheral actions of CGRP in the joint might contribute to both inflammation and joint afferent sensitization. CGRP and its specific receptors are expressed in joint afferents and up-regulated following arthritis induction. Peripheral CGRP release results in activation of synovial vascular cells, through which acute vasodilatation is followed by endothelial cell proliferation and angiogenesis, key features of chronic inflammation. Local administration of CGRP to the knee also increases mechanosensitivity of joint afferents, mimicking peripheral sensitization seen in arthritic joints. Increased mechanosensitivity in OA knees and pain behaviour can be reduced by peripherally acting CGRP receptor antagonists. Effects of CGRP pathway blockade on arthritic joint afferents, but not in normal joints, suggest contributions to sensitization rather than normal joint nociception. CGRP therefore might make key contributions to the transition from normal to persistent synovitis, and the progression from nociception to sensitization. Targeting CGRP or its receptors within joint tissues to prevent these undesirable transitions during early arthritis, or suppress them in established disease, might prevent persistent inflammation and relieve arthritis pain.
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Affiliation(s)
- David A Walsh
- Professor of Rheumatology, Director Arthritis Research UK Pain Centre University of Nottingham, Clinical Sciences Building, City Hospital, Hucknall Road, Nottingham, NG5 1PB
| | - Paul I Mapp
- Research Fellow, Arthritis UK Pain Centre, University of Nottingham, NG5 1PB
| | - Sara Kelly
- Assistant Professor in Neuroscience, School of Biosciences, University of Nottingham, Sutton Bonnington Campus, Nr Loughborough, Leicestershire, LE12 5RD, United Kingdom
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Parsons WH, Calvo RR, Cheung W, Lee YK, Patel S, Liu J, Youngman MA, Dax SL, Stone D, Qin N, Hutchinson T, Lubin ML, Zhang SP, Finley M, Liu Y, Brandt MR, Flores CM, Player MR. Benzo[d]imidazole Transient Receptor Potential Vanilloid 1 Antagonists for the Treatment of Pain: Discovery of trans-2-(2-{2-[2-(4-Trifluoromethyl-phenyl)-vinyl]-1H-benzimidazol-5-yl}-phenyl)-propan-2-ol (Mavatrep). J Med Chem 2015; 58:3859-74. [DOI: 10.1021/acs.jmedchem.5b00132] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- William H. Parsons
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Raul R. Calvo
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Wing Cheung
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Yu-Kai Lee
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Sharmila Patel
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Jian Liu
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Mark A. Youngman
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Scott L. Dax
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Dennis Stone
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Ning Qin
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Tasha Hutchinson
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Mary Lou Lubin
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Sui-Po Zhang
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Michael Finley
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Yi Liu
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Michael R. Brandt
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Christopher M. Flores
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
| | - Mark R. Player
- Janssen Research & Development, Welsh and McKean Roads, Spring House, Pennsylvania 19477, United States
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Calcitonin gene-related peptide can be selected as a predictive biomarker on progression and prognosis of knee osteoarthritis. INTERNATIONAL ORTHOPAEDICS 2015; 39:1237-43. [PMID: 25813459 DOI: 10.1007/s00264-015-2744-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 03/06/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE The purpose of this study was to examine calcitonin gene-related peptide (CGRP) concentrations in serum and synovial fluid of patients with primary knee osteoarthritis (OA) and healthy controls and to explore their relationship with clinical and radiographic severity of OA. METHODS Sixty-five patients with primary knee OA and 21 healthy controls were recruited. CGRP concentrations in the serum and synovial fluid were measured using enzyme-linked immunosorbent assays. The radiographic severity of OA was evaluated using the Kellgren and Lawrence (KL) classification. The Western Ontario and McMaster University Osteoarthritis Index (WOMAC) was used to assess pain, stiffness and physical function. RESULTS Serum and synovial fluid CGRP concentrations tended to be higher with the increase in KL grades (r = 0.565 and r = 0.441, P < 0.001, respectively), and were significantly positively correlated with KL grades, total WOMAC score and each subscale (pain, stiffness and physical function). CONCLUSIONS The result demonstrated that CGRP in serum and synovial fluid was related to progressive joint damage in knee OA. CGRP can be selected as a biomarker for monitoring disease severity and could be a predictive role on prognosis and progression of knee OA.
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Ikeuchi M, Izumi M, Aso K, Sugimura N, Kato T, Tani T. Effects of intra‐articular hyaluronic acid injection on immunohistochemical characterization of joint afferents in a rat model of knee osteoarthritis. Eur J Pain 2015; 19:334-40. [DOI: 10.1002/ejp.551] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2014] [Indexed: 12/11/2022]
Affiliation(s)
- M. Ikeuchi
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
| | - M. Izumi
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
| | - K. Aso
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
| | - N. Sugimura
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
| | - T. Kato
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
| | - T. Tani
- Department of Orthopaedic Surgery Kochi Medical School Kochi University Nankoku Japan
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Russell FA, King R, Smillie SJ, Kodji X, Brain SD. Calcitonin gene-related peptide: physiology and pathophysiology. Physiol Rev 2014; 94:1099-142. [PMID: 25287861 PMCID: PMC4187032 DOI: 10.1152/physrev.00034.2013] [Citation(s) in RCA: 763] [Impact Index Per Article: 76.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Calcitonin gene-related peptide (CGRP) is a 37-amino acid neuropeptide. Discovered 30 years ago, it is produced as a consequence of alternative RNA processing of the calcitonin gene. CGRP has two major forms (α and β). It belongs to a group of peptides that all act on an unusual receptor family. These receptors consist of calcitonin receptor-like receptor (CLR) linked to an essential receptor activity modifying protein (RAMP) that is necessary for full functionality. CGRP is a highly potent vasodilator and, partly as a consequence, possesses protective mechanisms that are important for physiological and pathological conditions involving the cardiovascular system and wound healing. CGRP is primarily released from sensory nerves and thus is implicated in pain pathways. The proven ability of CGRP antagonists to alleviate migraine has been of most interest in terms of drug development, and knowledge to date concerning this potential therapeutic area is discussed. Other areas covered, where there is less information known on CGRP, include arthritis, skin conditions, diabetes, and obesity. It is concluded that CGRP is an important peptide in mammalian biology, but it is too early at present to know if new medicines for disease treatment will emerge from our knowledge concerning this molecule.
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Affiliation(s)
- F A Russell
- Cardiovascular Division, BHF Centre of Research Excellence & Centre of Integrative Biomedicine, King's College London, Waterloo Campus, London SE1 9NH, United Kingdom
| | - R King
- Cardiovascular Division, BHF Centre of Research Excellence & Centre of Integrative Biomedicine, King's College London, Waterloo Campus, London SE1 9NH, United Kingdom
| | - S-J Smillie
- Cardiovascular Division, BHF Centre of Research Excellence & Centre of Integrative Biomedicine, King's College London, Waterloo Campus, London SE1 9NH, United Kingdom
| | - X Kodji
- Cardiovascular Division, BHF Centre of Research Excellence & Centre of Integrative Biomedicine, King's College London, Waterloo Campus, London SE1 9NH, United Kingdom
| | - S D Brain
- Cardiovascular Division, BHF Centre of Research Excellence & Centre of Integrative Biomedicine, King's College London, Waterloo Campus, London SE1 9NH, United Kingdom
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Bullock CM, Wookey P, Bennett A, Mobasheri A, Dickerson I, Kelly S. Peripheral calcitonin gene-related peptide receptor activation and mechanical sensitization of the joint in rat models of osteoarthritis pain. Arthritis Rheumatol 2014; 66:2188-200. [PMID: 24719311 PMCID: PMC4314689 DOI: 10.1002/art.38656] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 04/01/2014] [Indexed: 12/11/2022]
Abstract
Objective To investigate the role of the sensory neuropeptide calcitonin gene-related peptide (CGRP) in peripheral sensitization in experimental models of osteoarthritis (OA) pain. Methods Experimental knee OA was induced in rats by intraarticular injection of monosodium iodoacetate (MIA) or by transection of the medial meniscus (MMT). Single-unit recordings of joint-innervating nociceptors were obtained in MIA- and saline-treated rats following administration of CGRP or the CGRP receptor antagonist CGRP 8–37. Effects of CGRP 8–37 were also examined in rats that underwent MMT and sham operations. Protein and messenger RNA (mRNA) levels of CGRP receptor components in the L3–L4 dorsal root ganglion (DRG) were investigated following MIA treatment. Results In both the MIA and MMT groups, the mechanical sensitivity of joint nociceptors was enhanced compared to that in the control groups. Exogenous CGRP increased mechanical sensitivity in a greater proportion of joint nociceptors in the MIA-treated rats than in the saline-treated rats. Local blockade of endogenous CGRP by CGRP 8–37 reversed both the MIA- and MMT-induced enhancement of joint nociceptor responses. Joint afferent cell bodies coexpressed the receptor for CGRP, called the calcitonin-like receptor (CLR), and the intracellular accessory CGRP receptor component protein. MIA treatment increased the levels of mRNA for CLR in the L3–L4 DRG and the levels of CLR protein in medium and large joint afferent neurons. Conclusion Our findings provide new and compelling evidence implicating a role of CGRP in peripheral sensitization in experimental OA. Our novel finding of CGRP-mediated control of joint nociceptor mechanosensitivity suggests that the CGRP receptor system may be an important target for the modulation of pain during OA. CGRP receptor antagonists recently developed for migraine pain should be investigated for their efficacy against pain in OA.
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Affiliation(s)
- Craig M Bullock
- University of Nottingham, Nottingham, UK, and University of Nottingham, Sutton Bonington Campus, Sutton Bonington, UK
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Nash MS, Verkuyl JM, Bhalay G. TRPV1 Antagonism: From Research to Clinic. ION CHANNEL DRUG DISCOVERY 2014. [DOI: 10.1039/9781849735087-00186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The capsaicin receptor, TRPV1, has been one of the most extensively studied molecules in sensory research. Its contribution to the sensation of pain in numerous pre-clinical inflammatory and neuropathic paradigms has been well-established and expression analysis suggests a potential role clinically in pain and bladder conditions. The field has now reached an exciting point in time with the development of a number of high quality TRPV1 antagonist drug candidates and the release of clinical data. What has become apparent from this work is that inhibition of TRPV1 function brings with it the potential liabilities of increased body temperature and altered thermal perception. However, there is cause for optimism because it appears that not all antagonists have the same properties and compounds can be identified that lack significant on-target side-effects whilst retaining efficacy, at least pre-clinically. What is perhaps now more critical to address is the question of how effective the analgesia provided by a TRPV1 antagonist will be. Although tantalizing clinical data showing effects on experimentally-induced pain or pain following molar extraction have been reported, no clear efficacy in a chronic pain condition has yet been demonstrated making it difficult to perform an accurate risk-benefit analysis for TRPV1 antagonists. Here we provide an overview of some of the most advanced clinical candidates and discuss the approaches being taken to avoid the now well established on-target effects of TRPV1 antagonists.
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Affiliation(s)
- Mark S. Nash
- Novartis Institutes for Biomedical Research Forum 1, Novartis Campus CH - 4056 Basel Switzerland
| | - J. Martin Verkuyl
- Novartis Institutes for Biomedical Research Wimblehurst Road Horsham, West Sussex RH12 5AB UK
| | - Gurdip Bhalay
- Novartis Institutes for Biomedical Research Wimblehurst Road Horsham, West Sussex RH12 5AB UK
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