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Anti-inflammatory effect of egg white-chalcanthite and purple bamboo salts mixture on arthritis induced by monosodium iodoacetate in Sprague-Dawley rats. Lab Anim Res 2016; 32:91-8. [PMID: 27382377 PMCID: PMC4931042 DOI: 10.5625/lar.2016.32.2.91] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 04/26/2016] [Accepted: 04/26/2016] [Indexed: 11/25/2022] Open
Abstract
The aim of this study is to investigate the potential of anti-osteoarthritis effects on egg white-chalcanthite (EC), purple bamboo salts (PBS), and a mixture of EC and PBS (EC+PBS). EC is a mixture of egg white and pulverized chalcanthite. PBS has been widely used as one of functional foods in Korea and shows unique features compared with common salt. Osteoarthritis was induced by intra-articular injection of monosodium iodoacetate (MIA, 4mg/kg bw) in Sprague-Dawley (SD) rats. Test substances were administered once daily for 6 weeks at doses of 10 mg EC, EC+100 mg PBS, EC+200 mg PBS before and after MIA injection. Each substance was assessed by blood chemistry parameters, and by serum cytokines including IL-1β and IL-6, and nitric oxide (NO) and prostaglandin-E2 (PGE2). Structural changes of articular cartilage were also evaluated by histopathological examination. As a result, body weight and blood chemistry parameter were not different in all experimental groups. EC+PBS mixture reduced the production of PGE2, NO, IL-1β, and IL-6. In histological grade of osteoarthritis, EC+PBS mixture had a tendency to ameliorate damage of articular cartilage induced by MIA in a dose-dependent manner. In conclusion, EC+PBS mixture was demonstrated to have a potential for anti-inflammatory effect against osteoarthritis induced by MIA in a dose-dependent manner.
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Otis C, Gervais J, Guillot M, Gervais JA, Gauvin D, Péthel C, Authier S, Dansereau MA, Sarret P, Martel-Pelletier J, Pelletier JP, Beaudry F, Troncy E. Concurrent validity of different functional and neuroproteomic pain assessment methods in the rat osteoarthritis monosodium iodoacetate (MIA) model. Arthritis Res Ther 2016; 18:150. [PMID: 27338815 PMCID: PMC4918125 DOI: 10.1186/s13075-016-1047-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 06/09/2016] [Indexed: 11/17/2022] Open
Abstract
Background Lack of validity in osteoarthritis pain models and assessment methods is suspected. Our goal was to 1) assess the repeatability and reproducibility of measurement and the influence of environment, and acclimatization, to different pain assessment outcomes in normal rats, and 2) test the concurrent validity of the most reliable methods in relation to the expression of different spinal neuropeptides in a chemical model of osteoarthritic pain. Methods Repeatability and inter-rater reliability of reflexive nociceptive mechanical thresholds, spontaneous static weight-bearing, treadmill, rotarod, and operant place escape/avoidance paradigm (PEAP) were assessed by the intraclass correlation coefficient (ICC). The most reliable acclimatization protocol was determined by comparing coefficients of variation. In a pilot comparative study, the sensitivity and responsiveness to treatment of the most reliable methods were tested in the monosodium iodoacetate (MIA) model over 21 days. Two MIA (2 mg) groups (including one lidocaine treatment group) and one sham group (0.9 % saline) received an intra-articular (50 μL) injection. Results No effect of environment (observer, inverted circadian cycle, or exercise) was observed; all tested methods except mechanical sensitivity (ICC <0.3), offered good repeatability (ICC ≥0.7). The most reliable acclimatization protocol included five assessments over two weeks. MIA-related osteoarthritic change in pain was demonstrated with static weight-bearing, punctate tactile allodynia evaluation, treadmill exercise and operant PEAP, the latter being the most responsive to analgesic intra-articular lidocaine. Substance P and calcitonin gene-related peptide were higher in MIA groups compared to naive (adjusted P (adj-P) = 0.016) or sham-treated (adj-P = 0.029) rats. Repeated post-MIA lidocaine injection resulted in 34 times lower downregulation for spinal substance P compared to MIA alone (adj-P = 0.029), with a concomitant increase of 17 % in time spent on the PEAP dark side (indicative of increased comfort). Conclusion This study of normal rats and rats with pain established the most reliable and sensitive pain assessment methods and an optimized acclimatization protocol. Operant PEAP testing was more responsive to lidocaine analgesia than other tests used, while neuropeptide spinal concentration is an objective quantification method attractive to support and validate different centralized pain functional assessment methods.
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Affiliation(s)
- Colombe Otis
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada.,Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Julie Gervais
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada
| | - Martin Guillot
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada.,Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Julie-Anne Gervais
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada
| | - Dominique Gauvin
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada.,Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Catherine Péthel
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada.,Department of Physiology and Biophysics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | | | - Marc-André Dansereau
- Department of Physiology and Biophysics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Philippe Sarret
- Department of Physiology and Biophysics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Francis Beaudry
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada.,Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada
| | - Eric Troncy
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of veterinary medicine, Université de Montréal, 1500 des Vétérinaires Street, P.O. Box 5000, St-Hyacinthe, Quebec, J2S 7C6, Canada. .,Osteoarthritis Research Unit, Research Center Hospital of Montreal University (CRCHUM), Montreal, Quebec, Canada.
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Pitcher T, Sousa-Valente J, Malcangio M. The Monoiodoacetate Model of Osteoarthritis Pain in the Mouse. J Vis Exp 2016. [PMID: 27214709 PMCID: PMC4942175 DOI: 10.3791/53746] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
A major symptom of patients with osteoarthritis (OA) is pain that is triggered by peripheral as well as central changes within the pain pathways. The current treatments for OA pain such as NSAIDS or opiates are neither sufficiently effective nor devoid of detrimental side effects. Animal models of OA are being developed to improve our understanding of OA-related pain mechanisms and define novel pharmacological targets for therapy. Currently available models of OA in rodents include surgical and chemical interventions into one knee joint. The monoiodoacetate (MIA) model has become a standard for modelling joint disruption in OA in both rats and mice. The model, which is easier to perform in the rat, involves injection of MIA into a knee joint that induces rapid pain-like responses in the ipsilateral limb, the level of which can be controlled by injection of different doses. Intra-articular injection of MIA disrupts chondrocyte glycolysis by inhibiting glyceraldehyde-3-phosphatase dehydrogenase and results in chondrocyte death, neovascularization, subchondral bone necrosis and collapse, as well as inflammation. The morphological changes of the articular cartilage and bone disruption are reflective of some aspects of patient pathology. Along with joint damage, MIA injection induces referred mechanical sensitivity in the ipsilateral hind paw and weight bearing deficits that are measurable and quantifiable. These behavioral changes resemble some of the symptoms reported by the patient population, thereby validating the MIA injection in the knee as a useful and relevant pre-clinical model of OA pain. The aim of this article is to describe the methodology of intra-articular injections of MIA and the behavioral recordings of the associated development of hypersensitivity with a mind to highlight the necessary steps to give consistent and reliable recordings.
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Affiliation(s)
- Thomas Pitcher
- Wolfson Centre for Age Related Diseases, King's College London
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204
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Ziaei A, Sahranavard S, Gharagozlou MJ, Faizi M. Preliminary investigation of the effects of topical mixture of Lawsonia inermis L. and Ricinus communis L. leaves extract in treatment of osteoarthritis using MIA model in rats. ACTA ACUST UNITED AC 2016; 24:12. [PMID: 27142000 PMCID: PMC4855329 DOI: 10.1186/s40199-016-0152-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 04/26/2016] [Indexed: 11/10/2022]
Abstract
Background Many plants have been introduced in Iranian traditional medicine for treatment of different joint problems including knee pain. Topical application of the mixture of Lawsonia inermis L. leaves (Henna) with aqueous extract of Ricinus communis L. leaves have been mentioned to have significant effects on reducing knee pain. The present study was designed to evaluate the analgesic and anti-inflammatory effects of the mixture of these two herbs in male rats. Methods We induced knee osteoarthritis as a model of chronic pain by intra-articular injection of mono sodium iodoacetate (MIA). Mechanical allodynia, hotplate latency test, spontaneous movements and gait analysis were used for the evaluation of analgesic activity. Anti-inflammatory activity was evaluated by measuring the diameter and the volume of the injected paw compared to contralateral paw. These tests were monitored at days 1, 3, 7, 14 and 21 of MIA administration. Histopathological evaluations were also used to assess the efficacy of the treatment on inflammation and lesions in knee tissue. In all tests, diclofenac topical gel was used as a positive control. The herbal extracts, their mixture, and vehicle or diclofenac gel were administered daily for 14 days by topical route. Results The mixture of these two extracts significantly reduced the knee joint width and volume of the injected paws and also improved foot prints in gait analysis after 3 days of MIA injection. Analysis of mechanical allodynia (after 21 days), hotplate latency test (after 10 days), spontaneous movements (after 7 days) and in positive control group (after 3 days in all tests and in mechanical allodynia after 14 days) compared to the vehicle group, showed significant effects. Topical usage of the selected formulation made significant histopathological changes on the knee of the rats. Compared to the vehicle group, the tests and diclofenac groups showed less reactions characterized by negligible edema and a few scattered inflammatory lymphoid cells. Conclusion The present findings showed that the present formulation not only was able to mitigate pain and inflammation in the paws but also made significant histopathological changes on the knee of the rats. Further studies are necessary to confirm the effect of the formulation.
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Affiliation(s)
- Atousa Ziaei
- Traditional Medicine and Material Medical Research Center; Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shamim Sahranavard
- Traditional Medicine and Material Medical Research Center; Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mehrdad Faizi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Kim WK, Chung HJ, Pyee Y, Choi TJ, Park HJ, Hong JY, Shin JS, Lee JH, Ha IH, Lee SK. Effects of intra-articular SHINBARO treatment on monosodium iodoacetate-induced osteoarthritis in rats. Chin Med 2016; 11:17. [PMID: 27069504 PMCID: PMC4827221 DOI: 10.1186/s13020-016-0089-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 04/01/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND SHINBARO is a refined herbal formulation used to treat inflamed lesions and bone diseases. This study aimed to investigate the anti-osteoarthritic activities of intra-articular administration of SHINBARO and determine its underlying molecular mechanism in a monosodium iodoacetate (MIA)-induced osteoarthritis rat model. METHODS Male Sprague-Dawley rats received a single intra-articular injection of MIA into the infrapatellar ligament of the right knee. Subsequently, the rats were treated with normal saline, SHINBARO, and diclofenac once daily for 21 days. Rats treated with normal saline, but not MIA, comprised the control group. Histological changes in the femur of the MIA-induced osteoarthritis rat model were observed by micro-computed tomography scanning and staining with hematoxylin and eosin, and safranin-O fast green. Serum levels of PGE2 and anti-type II collagen antibodies in the MIA-induced osteoarthritis rat model were measured using commercial kits. Protein levels of inflammatory enzymes (iNOS, COX-2), pro-inflammatory cytokines (TNF-α, IL-1β), and inflammatory mediators (NF-κB, IκB) in cartilaginous tissues were determined by western blot analysis. RESULTS Intra-articular administration of SHINBARO (IAS) at 20 mg/kg remarkably restrained the decrease in bone volume/total volume, being 28 % (P = 0.0001) higher than that in the vehicle-treated MIA group. IAS (2, 10, and 20 mg/kg) treatment significantly recovered the mean number of objects values with increased percentage changes of 13.5 % (P = 0.147), 27.5 % (P = 0.028), and 44.5 % (P = 0.031), respectively, compared with the vehicle-treated MIA group. The serum level of PGE2 in the IAS group at 20 mg/kg was markedly inhibited by 60.6 % (P = 0.0007) compared with the vehicle-treated MIA group, and the anti-collagen type II antibody level in the IAS group was reduced in a dose-dependent manner. IAS (20 mg/kg) effectively suppressed the induction of inflammation-mediated enzymes (iNOS and COX-2) and pro-inflammatory cytokines (TNF-α and IL-1β). IAS treatment also downregulated the NF-κB level and increased the IκB-α level in the MIA- induced osteoarthritis rat model. CONCLUSION SHINBARO inhibited PGE2 and anti-type II collagen antibody production and modulated the balance of inflammatory enzymes, mediators, and cytokines in the MIA-induced osteoarthritis rat model.
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Affiliation(s)
- Won Kyung Kim
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Hwa-Jin Chung
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Yuna Pyee
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Tae Jun Choi
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Hyen Joo Park
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Ji-Young Hong
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
| | - Joon-Shik Shin
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Jin Ho Lee
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - In-Hyuk Ha
- />Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul, 135-896 Republic of Korea
| | - Sang Kook Lee
- />College of Pharmacy, Seoul National University, Seoul, 151-742 Republic of Korea
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Holyoak DT, Tian YF, van der Meulen MCH, Singh A. Osteoarthritis: Pathology, Mouse Models, and Nanoparticle Injectable Systems for Targeted Treatment. Ann Biomed Eng 2016; 44:2062-75. [PMID: 27044450 DOI: 10.1007/s10439-016-1600-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 03/26/2016] [Indexed: 12/21/2022]
Abstract
Osteoarthritis (OA) is a progressive, degenerative disease of articulating joints that not only affects the elderly, but also involves younger, more active individuals with prolonged participation in high physical-demand activities. Thus, effective therapies that are easy to adopt clinically are critical in limiting the societal burden associated with OA. This review is focused on intra-articular injectable regimens and provides a comprehensive look at existing in vivo models of OA that might be suitable for developing, testing, and finding a cure for OA by intra-articular injections. We first discuss the pathology, molecular mechanisms responsible for the initiation and progression of OA, and challenges associated with disease-specific targeting of OA. We proceed to discuss available animal models of OA and provide a detailed perspective on the use of mouse models in studies of experimental OA. We finally provide a closer look at intra-articular injectable treatments for OA, focusing on biomaterials-based nanoparticles, and provide a comprehensive overview of the various nanometer-size ranges studied.
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Affiliation(s)
- Derek T Holyoak
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853-7501, USA
| | - Ye F Tian
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14853-7501, USA
| | - Marjolein C H van der Meulen
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, 14853-7501, USA.
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14853-7501, USA.
| | - Ankur Singh
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14853-7501, USA.
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207
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Bock K, Plaass C, Coger V, Peck CT, Reimers K, Stukenborg-Colsman C, Claassen L. What is the effect of nicotinic acetylcholine receptor stimulation on osteoarthritis in a rodent animal model? SAGE Open Med 2016; 4:2050312116637529. [PMID: 27026802 PMCID: PMC4790423 DOI: 10.1177/2050312116637529] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 02/10/2016] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVES Despite the rising number of patients with osteoarthritis, no sufficient chondroprotective and prophylactic therapy for osteoarthritis has been established yet. The purpose of this study was to verify whether stimulation of the nicotinic acetylcholine receptor via nicotine has a beneficial effect on cartilage degeneration in the development of osteoarthritis and is capable of reducing the expression of proinflammatory cytokines and cartilage degrading enzymes in synovial membranes after osteoarthritis induction. METHODS Experimental osteoarthritis was induced in Lewis rats using a standardized osteoarthritis model with monoiodoacetate. A total of 16 Lewis rats were randomized into four groups: control, sham + nicotine application, osteoarthritis, and osteoarthritis + nicotine application. Nicotine (0.625 mg/kg twice daily) was administered intraperitoneally for 42 days. We analyzed histological sections, radiological images and the expression of the proinflammatory cytokines, such as interleukin-1β, tumor necrosis factor-α and interleukin-6, and of matrix metalloproteases 3, 9 and 13 and tissue inhibitors of metalloprotease-1 in synovial membranes via quantitative polymerase chain reaction. RESULTS Histological and x-ray examination revealed cartilage degeneration in the osteoarthritis group compared to control or sham + nicotine groups (histological control vs osteoarthritis: p = 0.002 and x-ray control vs osteoarthritis: p = 0.004). Nicotine treatment reduced the cartilage degeneration without significant differences. Osteoarthritis induction led to a higher expression of proinflammatory cytokines and matrix metalloproteases as compared to control groups. This effect was attenuated after nicotine administration. The differences of proinflammatory cytokines and matrix metalloproteases did not reach statistical significance. CONCLUSION With the present small-scale study, we could not prove a positive effect of nicotinic acetylcholine receptor stimulation on osteoarthritis due to a conservative statistical analysis and the consecutive lack of significant differences. Nevertheless, we found promising tendencies of relevant parameters that might prompt further experiments designed to evaluate the potency of stimulation of this receptor system as an additional treatment approach for osteoarthritis.
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Affiliation(s)
- Kilian Bock
- Orthopedic Department, Hannover Medical School, Hannover, Germany
| | - Christian Plaass
- Orthopedic Department, Hannover Medical School, Hannover, Germany
| | - Vincent Coger
- Department of Plastic, Hand and Reconstructive Surgery, Hannover Medical School, Hannover, Germany
| | - Claas-Tido Peck
- Department of Plastic, Hand and Reconstructive Surgery, Hannover Medical School, Hannover, Germany
| | - Kerstin Reimers
- Department of Plastic, Hand and Reconstructive Surgery, Hannover Medical School, Hannover, Germany
| | | | - Leif Claassen
- Orthopedic Department, Hannover Medical School, Hannover, Germany
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Anti-Inflammatory and Antiosteoarthritis Effects of Saposhnikovia divaricata ethanol Extract: In Vitro and In Vivo Studies. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:1984238. [PMID: 27042186 PMCID: PMC4793093 DOI: 10.1155/2016/1984238] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 01/21/2016] [Accepted: 01/27/2016] [Indexed: 01/15/2023]
Abstract
Saposhnikovia divaricata Schischkin has been used in traditional medicine to treat pain, inflammation, and arthritis. The aim of this study was to investigate the anti-inflammatory and antiosteoarthritis activities of Saposhnikovia divaricata extract (SDE). The anti-inflammatory effect of SDE was evaluated in vitro in lipopolysaccharide- (LPS-) treated RAW 264.7 cells. The antiosteoarthritic effect of SDE was investigated in an in vivo rat model of monosodium iodoacetate- (MIA-) induced osteoarthritis (OA) in which rats were treated orally with SDE (200 mg/kg) for 28 days. The effects of SDE were assessed in vivo by histopathological analysis and by measuring weight-bearing distribution, cytokine serum levels, and joint tissue inflammation-related gene expression. SDE showed anti-inflammatory activity by inhibiting the production of nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) in LPS-induced RAW 264.7 cells. In addition, SDE promoted recovery of hind limb weight-bearing, inhibited the production of proinflammatory cytokines and mediators, and protected cartilage and subchondral bone tissue in the OA rat model. Therefore, SDE is a potential therapeutic agent for OA and/or associated symptoms.
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209
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Wu YT, Wu PT, Jou IM. Peritendinous elastase treatment induces tendon degeneration in rats: A potential model of tendinopathy in vivo. J Orthop Res 2016; 34:471-7. [PMID: 26291184 DOI: 10.1002/jor.23030] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 08/14/2015] [Indexed: 02/04/2023]
Abstract
The purpose of this study was to investigate the role of elastase on tendinopathy, as well as to evaluate the potential for peritendinous injections of elastase into rats to cause tendinopathy. We first investigated the expression of elastase in the tendons of patients with tendinopathy, and then established the effects of elastase injection on the Achilles tendons of rats. Ultrasonographic and incapacitance testing was used to conduct tests for 8 weeks. Tendon tissues were collected for histological observation and protein levels of collagen type I and type III were detected using Western blotting. The percentage of elastase-positive cells increased in human specimens with grades II and III tendinopathy. The rat model demonstrated that the thickness of the tendon increased after elastase injection during Week 2-8. Hypercellularity and focal lesions were detected after Week 2. The expression of elastase was increased and elastin was decreased in Week 8. Collagen type I expression was decreased, but type III was increased in Week 4. These results suggested that elastase may be involved in the development of chronic tendinopathy, and that peritendinous injection of elastase may result in tendinopathy in rats.
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Affiliation(s)
- Yen-Ting Wu
- Institute of Basic Medical Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Po-Ting Wu
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - I-Ming Jou
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan
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Chien TY, Huang SKH, Lee CJ, Tsai PW, Wang CC. Antinociceptive and Anti-Inflammatory Effects of Zerumbone against Mono-Iodoacetate-Induced Arthritis. Int J Mol Sci 2016; 17:249. [PMID: 26901193 PMCID: PMC4783979 DOI: 10.3390/ijms17020249] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 02/05/2016] [Accepted: 02/06/2016] [Indexed: 01/19/2023] Open
Abstract
The fresh rhizome of Zingiber zerumbet Smith (Zingiberaceae) is used as a food flavoring and also serves as a folk medicine as an antipyretic and for analgesics in Taiwan. Zerumbone, a monocyclic sesquiterpene was isolated from the rhizome of Z. zerumbet and is the major active compound. In this study, the anti-inflammatory and antinociceptive effects of zerumbone on arthritis were explored using in vitro and in vivo models. Results showed that zerumbone inhibited inducible nitric oxide (NO) synthase (iNOS), cyclooxygenase (COX)-2 expressions, and NO and prostaglandin E₂ (PGE₂) production, but induced heme oxygenase (HO)-1 expression in a dose-dependent manner in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. When zerumbone was co-treated with an HO-1 inhibitor (tin protoporphyrin (SnPP)), the NO inhibitory effects of zerumbone were recovered. The above results suggest that zerumbone inhibited iNOS and COX-2 through induction of the HO-1 pathway. Moreover, matrix metalloproteinase (MMP)-13 and COX-2 expressions of interleukin (IL)-1β-stimulated primary rat chondrocytes were inhibited by zerumbone. In an in vivo assay, an acetic acid-induced writhing response in mice was significantly reduced by treatment with zerumbone. Furthermore, zerumbone reduced paw edema and the pain response in a mono-iodoacetate (MIA)-induced rat osteoarthritis model. Therefore, we suggest that zerumbone possesses anti-inflammatory and antinociceptive effects which indicate zerumbone could be a potential candidate for osteoarthritis treatment.
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Affiliation(s)
- Ting-Yi Chien
- Department of Food Science, Nutrition, and Nutraceutical Biotechnology, Shih Chien University, Taipei City 10462, Taiwan.
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Steven Kuan-Hua Huang
- Division of Uro-Oncology, Department of Surgery, Chi Mei Medical Center, Tainan City 73657, Taiwan.
- Department of Applied Life Science and Health, Chia Nan University of Pharmacy & Science, Tainan City 71710, Taiwan.
| | - Chia-Jung Lee
- Ph.D. Program for Clinical Drug Discovery of Chinese Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Po-Wei Tsai
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei City 11031, Taiwan.
| | - Ching-Chiung Wang
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei City 11031, Taiwan.
- Orthopedics Research Center, Taipei Medical University Hospital, Taipei City 11031, Taiwan.
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Horváth Á, Tékus V, Boros M, Pozsgai G, Botz B, Borbély É, Szolcsányi J, Pintér E, Helyes Z. Transient receptor potential ankyrin 1 (TRPA1) receptor is involved in chronic arthritis: in vivo study using TRPA1-deficient mice. Arthritis Res Ther 2016; 18:6. [PMID: 26746673 PMCID: PMC4718022 DOI: 10.1186/s13075-015-0904-y] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 12/22/2015] [Indexed: 12/04/2022] Open
Abstract
Background The transient receptor potential ankyrin 1 (TRPA1) is a calcium-permeable cation channel that is expressed on capsaicin-sensitive sensory neurons, endothelial and inflammatory cells. It is activated by a variety of inflammatory mediators, such as methylglyoxal, formaldehyde and hydrogen sulphide. Since only few data are available about the role of TRPA1 in arthritis and related pain, we investigated its involvement in inflammation models of different mechanisms. Methods Chronic arthritis was induced by complete Freund’s adjuvant (CFA), knee osteoarthritis by monosodium iodoacetate (MIA) in TRPA1 knockout (KO) mice and C57Bl/6 wildtype mice. For comparison, carrageenan- and CFA-evoked acute paw and knee inflammatory changes were investigated. Thermonociception was determined on a hot plate, cold tolerance in icy water, mechanonociception by aesthesiometry, paw volume by plethysmometry, knee diameter by micrometry, weight distribution with incapacitance tester, neutrophil myeloperoxidase activity and vascular leakage by in vivo optical imaging, and histopathological alterations by semiquantitative scoring. Results CFA-induced chronic mechanical hypersensitivity, tibiotarsal joint swelling and histopathological alterations, as well as myeloperoxidase activity in the early phase (day 2), and vascular leakage in the later stage (day 7), were significantly reduced in TRPA1 KO mice. Heat and cold sensitivities did not change in this model. Although in TRPA1 KO animals MIA-evoked knee swelling and histopathological destruction were not altered, hypersensitivity and impaired weight bearing on the osteoarthritic limb were significantly decreased. In contrast, carrageenan- and CFA-induced acute inflammation and pain behaviours were not modified by TRPA1 deletion. Conclusions TRPA1 has an important role in chronic arthritis/osteoarthritis and related pain behaviours in the mouse. Therefore, it might be a promising target for novel analgesic/anti-inflammatory drugs.
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Affiliation(s)
- Ádám Horváth
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - Valéria Tékus
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - Melinda Boros
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - Gábor Pozsgai
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - Bálint Botz
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - Éva Borbély
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary.
| | - János Szolcsányi
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,PharmInVivo Ltd., 10 Szondi György Street, Pécs, 7624, Hungary.
| | - Erika Pintér
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,PharmInVivo Ltd., 10 Szondi György Street, Pécs, 7624, Hungary.
| | - Zsuzsanna Helyes
- Department of Pharmacology and Pharmacotherapy, University of Pécs, Medical School, 12 Szigeti Street, Pécs, 7624, Hungary. .,János Szentágothai Research Centre, University of Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,Centre of Neuroscience, University of Pécs, Medical School, Pécs, 20 Ifjúság Street, Pécs, 7624, Hungary. .,PharmInVivo Ltd., 10 Szondi György Street, Pécs, 7624, Hungary. .,MTA-PTE NAP B Chronic Pain Research Group, 12 Szigeti Street, Pécs, 7624, Hungary.
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AMD3100 Attenuates Matrix Metalloprotease-3 and -9 Expressions and Prevents Cartilage Degradation in a Monosodium Iodo-Acetate-Induced Rat Model of Temporomandibular Osteoarthritis. J Oral Maxillofac Surg 2016; 74:927.e1-927.e13. [PMID: 26851314 DOI: 10.1016/j.joms.2015.12.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 12/25/2015] [Indexed: 01/02/2023]
Abstract
PURPOSE Temporomandibular joint osteoarthritis (TMJOA) is an important subtype of temporomandibular disorder. This study investigated the inflammatory role of the stromal cell-derived factor-1 (SDF-1) and C-X-C chemokine receptor-4 (CXCR4) axis and the probable signaling pathway involved in matrix metalloprotease (MMP)-3 and MMP-9 productions stimulated by the SDF-1-CXCR4 axis in an experimental rat model of TMJOA. MATERIALS AND METHODS Rats were randomly divided into a control group, a pathologic model group, and an AMD3100 group. Effects of the bicyclam derivative AMD3100 (the specific antagonist of SDF-1-CXCR4 axis) were studied in TMJOA experimentally induced by monosodium iodo-acetate. Productions of SDF-1 and CXCR4 were compared in the normal and pathologic model groups, and cartilage changes and expressions of MMP-3, MMP-9, and phosphorylated extracellular signal-regulated kinase (p-ERK) were compared in the control, pathologic model, and AMD3100 groups. RESULTS Expressions of SDF-1 and CXCR4 in the pathologic model group were increased compared with the control group (P < .05). Releases of MMP-3, MMP-9, and p-ERK and cartilage changes were downregulated in the AMD3100 group compared with the pathologic model group (P < .05), and these changes occurred in a dose-dependent manner with AMD3100 concentrations. Moreover, there were strong predictive relations between the expression of p-ERK with MMP-3 (r(2) = 0.419; P < .001) and with MMP-9 (r(2) = 0.542; P < .001). CONCLUSIONS The SDF-1-CXCR4 signaling pathway plays a proinflammatory role in experimental TMJOA, the bicyclam derivative AMD3100 can alleviate the severity of experimental TMJOA, and there might be a potential relation between the SDF-1-CXCR4 axis and the ERK signaling pathway.
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213
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Chattopadhyay H, Auddy B, Sur T, Sana S, Datta S. Accentuated transdermal application of glucosamine sulphate attenuates experimental osteoarthritis induced by monosodium iodoacetate. J Mater Chem B 2016; 4:4470-4481. [DOI: 10.1039/c6tb00327c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Osteoarthritis is a chronic degenerative joint disease causing pain and disability.
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Affiliation(s)
- Helen Chattopadhyay
- Department of Chemical Technology
- University of Calcutta
- Kolkata – 700 009
- India
| | - Biswajit Auddy
- Department of Chemical Technology
- University of Calcutta
- Kolkata – 700 009
- India
| | - Tapas Sur
- Department of Pharmacology
- Institute of Post Graduate Medical Education & Research
- Kolkata – 700020
- India
| | - Santanu Sana
- Department of Chemical Technology
- University of Calcutta
- Kolkata – 700 009
- India
| | - Sriparna Datta
- Department of Chemical Technology
- University of Calcutta
- Kolkata – 700 009
- India
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214
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Fujitsuka N, Tamai M, Tsuchiya K, Iizuka S, Tsuchiya N, Makino B, Hattori T, Kase Y, Isohama Y. Boiogito, a Kampo medicine, improves hydrarthrosis in a rat model of knee osteoarthritis. Altern Ther Health Med 2015; 15:451. [PMID: 26703073 PMCID: PMC4691021 DOI: 10.1186/s12906-015-0979-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 12/23/2015] [Indexed: 01/24/2023]
Abstract
BACKGROUND Hydrarthrosis, which is associated with knee pain and limited range of motion, decreases the quality of life (QOL) of patients with osteoarthritis (OA). The Kampo medicine boiogito is prescribed for the treatment of knee OA with hydrarthrosis; however, its precise mechanisms of action remain unknown. The purposes of this study were to assess the pharmacological effects of boiogito and its mechanisms of action on joint effusion in rats with surgically induced OA. METHODS A rat OA model was produced by transecting the anterior (cranial) cruciate ligament, medial collateral ligament, and medial meniscus in the right knee joints of 7-week-old female Wistar rats. The rats were given chow containing boiogito (1 or 2%) or indomethacin (0.002 %) for 4 weeks after surgical transection. Levels of interleukin-1β (IL-1β) and hyaluronic acid (HA) were measured by enzyme-linked immunosorbent assay. Knee joint pain was assessed using an incapacitance tester. Osmotic water permeability in cultured rabbit synovial cells was assessed using stopped-flow analysis. RESULTS Increased synovial fluid volume and knee joint pain were observed in rats with surgically induced OA. In rats with OA, levels of IL-1β and HA in the articular cavity were higher but concentration of HA in synovial fluid was lower than in sham-operated rats, suggesting excessive synovial fluid secretion. Administration of boiogito improved hydrarthrosis, IL-1β, and HA concentrations and alleviated knee joint pain in rats with OA. Indomethacin reduced IL-1β and knee joint pain but failed to improve hydrarthrosis or HA concentration in rats with OA. Osmotic water permeability in synovial cells, which is related to the function of the water channel aquaporin, was decreased by treatment with boiogito. CONCLUSION Boiogito ameliorates the increased knee joint effusion in rats with OA by suppressing pro-inflammatory cytokine IL-1β production in the articular cavity and regulating function of water transport in the synovium. The improvement of hydrarthrosis by boiogito results in the increased HA concentration in synovial fluid, thus reducing joint pain. Boiogito may be a clinically useful treatment of QOL in patients with OA with hydrarthrosis.
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215
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Intra-articular (IA) ropivacaine microparticle suspensions reduce pain, inflammation, cytokine, and substance p levels significantly more than oral or IA celecoxib in a rat model of arthritis. Inflammation 2015; 38:40-60. [PMID: 25189465 DOI: 10.1007/s10753-014-0006-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Current therapeutic treatment options for osteoarthritis entail significant safety concerns. A novel ropivacaine crystalline microsuspension for bolus intra-articular (IA) delivery was thus developed and studied in a peptidoglycan polysaccharide (PGPS)-induced ankle swelling rat model. Compared with celecoxib controls, both oral and IA, ropivacaine IA treatment resulted in a significant reduction of pain upon successive PGPS reactivation, as demonstrated in two different pain models, gait analysis and incapacitance testing. The reduction in pain was attended by a significant reduction in histological inflammation, which in turn was accompanied by significant reductions in the cytokines IL-18 and IL-1β. This may have been due to inhibition of substance P, which was also significantly reduced. Pharmacokinetic analysis indicated that the analgesic effects outlasted measurable ropivacaine levels in either blood or tissue. The results are discussed in the context of pharmacologic mechanisms both of local anesthetics as well as inflammatory arthritis.
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216
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Xu YK, Ke Y, Wang B, Lin JH. The role of MCP-1-CCR2 ligand-receptor axis in chondrocyte degradation and disease progress in knee osteoarthritis. Biol Res 2015; 48:64. [PMID: 26578310 PMCID: PMC4650302 DOI: 10.1186/s40659-015-0057-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 11/04/2015] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a common arthritic disease and multifactorial whole-joint disease. Interactions of chemokines and OA is inadequately documented. RESULTS In vivo and in vitro studies were conducted to investigate monocyte chemoattractant protein 1 (MCP-1) and receptor chemokine (C-C motif) receptor 2 (CCR2) in chondrocyte degradation and cartilage degeneration. Chondrocytes from 16 OA patients and 6 normal controls were involved in this study. After stimulation of MCP-1, the expression of MCP-1 and CCR2 increased significantly (P < 0.001) and the expression of MMP-13 also increased (P < 0.05). MCP-1 stimulation also induced (or enhanced) the apoptosis of OA chondrocytes (P < 0.05). Additionally, the degradation of cartilage matrix markers (metalloproteinase 3 and 13, MMP3 and MMP13) in the culture medium of normal chondrocytes was also assessed. Furthermore, intra-articular injection of MCP-1 in mouse knees induced cartilage degradation and the CCR2 antagonist did not impede cartilage destroy in rats knees of monosodium iodoacetate (MIA) model. CONCLUSIONS The results of this study demonstrate that the MCP-1-CCR2 ligand-receptor axis plays a special role in the initiation and progression of OA pathology. Patients with ambiguous etiology can gain some insight from the MCP-1-CCR2 ligand-receptor axis.
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Affiliation(s)
- Yuan-kun Xu
- Arthritis Clinic and Research Center, Peking University People's Hospital, No. 11, Xizhimen South Street Xicheng District, Beijing, China.
| | - Yan Ke
- Arthritis Clinic and Research Center, Peking University People's Hospital, No. 11, Xizhimen South Street Xicheng District, Beijing, China.
| | - Bin Wang
- Arthritis Clinic and Research Center, Peking University People's Hospital, No. 11, Xizhimen South Street Xicheng District, Beijing, China.
| | - Jian-hao Lin
- Arthritis Clinic and Research Center, Peking University People's Hospital, No. 11, Xizhimen South Street Xicheng District, Beijing, China.
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217
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Moilanen LJ, Hämäläinen M, Nummenmaa E, Ilmarinen P, Vuolteenaho K, Nieminen RM, Lehtimäki L, Moilanen E. Monosodium iodoacetate-induced inflammation and joint pain are reduced in TRPA1 deficient mice--potential role of TRPA1 in osteoarthritis. Osteoarthritis Cartilage 2015; 23:2017-26. [PMID: 26521748 DOI: 10.1016/j.joca.2015.09.008] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 07/20/2015] [Accepted: 09/11/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Intra-articularly injected monosodium iodoacetate (MIA) induces joint pathology mimicking osteoarthritis (OA) and it is a widely used experimental model of OA. MIA induces acute inflammation, cartilage degradation and joint pain. Transient Receptor Potential Ankyrin 1 (TRPA1) is an ion channel known to mediate nociception and neurogenic inflammation. Here, we tested the hypothesis that TRPA1 would be involved in the development of MIA-induced acute inflammation, cartilage changes and joint pain. METHODS The effects of pharmacological blockade (by TCS 5861528) and genetic depletion of TRPA1 were studied in MIA-induced acute paw inflammation. Cartilage changes (histological scoring) and joint pain (weight-bearing test) in MIA-induced experimental OA were compared between wild type and TRPA1 deficient mice. The effects of MIA were also studied in primary human OA chondrocytes and in mouse cartilage. RESULTS MIA evoked acute inflammation, degenerative cartilage changes and joint pain in wild type mice. Interestingly, these responses were attenuated in TRPA1 deficient animals. MIA-induced paw inflammation was associated with increased tissue levels of substance P; and the inflammatory edema was reduced by pretreatment with catalase, with the TRPA1 antagonist TCS 5861528 and with the neurokinin 1 receptor antagonist L703,606. In chondrocytes, MIA enhanced interleukin-1 induced cyclooxygenase-2 (COX-2) expression, an effect that was blunted by pharmacological inhibition and genetic depletion of TRPA1. CONCLUSIONS TRPA1 was found to mediate acute inflammation and the development of degenerative cartilage changes and joint pain in MIA-induced experimental OA in the mouse. The results reveal TRPA1 as a potential mediator and drug target in OA.
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Affiliation(s)
- L J Moilanen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - M Hämäläinen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - E Nummenmaa
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - P Ilmarinen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - K Vuolteenaho
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - R M Nieminen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - L Lehtimäki
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
| | - E Moilanen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland.
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218
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Kras JV, Kartha S, Winkelstein BA. Intra-articular nerve growth factor regulates development, but not maintenance, of injury-induced facet joint pain & spinal neuronal hypersensitivity. Osteoarthritis Cartilage 2015; 23:1999-2008. [PMID: 26521746 PMCID: PMC4630778 DOI: 10.1016/j.joca.2015.06.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2014] [Revised: 06/06/2015] [Accepted: 06/15/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The objective of the current study is to define whether intra-articular nerve growth factor (NGF), an inflammatory mediator that contributes to osteoarthritic pain, is necessary and sufficient for the development or maintenance of injury-induced facet joint pain and its concomitant spinal neuronal hyperexcitability. METHOD Male Holtzman rats underwent painful cervical facet joint distraction (FJD) or sham procedures. Mechanical hyperalgesia was assessed in the forepaws, and NGF expression was quantified in the C6/C7 facet joint. An anti-NGF antibody was administered intra-articularly in additional rats immediately or 1 day following facet distraction or sham procedures to block intra-articular NGF and test its contribution to initiation and/or maintenance of facet joint pain and spinal neuronal hyperexcitability. NGF was injected into the bilateral C6/C7 facet joints in separate rats to determine if NGF alone is sufficient to induce these behavioral and neuronal responses. RESULTS NGF expression increases in the cervical facet joint in association with behavioral sensitivity after that joint's mechanical injury. Intra-articular application of anti-NGF immediately after a joint distraction prevents the development of both injury-induced pain and hyperexcitability of spinal neurons. Yet, intra-articular anti-NGF applied after pain has developed does not attenuate either behavioral or neuronal hyperexcitability. Intra-articular NGF administered to the facet in naïve rats also induces behavioral hypersensitivity and spinal neuronal hyperexcitability. CONCLUSION Findings demonstrate that NGF in the facet joint contributes to the development of injury-induced joint pain. Localized blocking of NGF signaling in the joint may provide potential treatment for joint pain.
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Affiliation(s)
- Jeffrey V. Kras
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104
| | - Sonia Kartha
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104
| | - Beth A. Winkelstein
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104,Department of Neurosurgery, University of Pennsylvania, Philadelphia, PA 19104
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219
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Hsu DZ, Chu PY, Jou IM. Daily sesame oil supplement attenuates joint pain by inhibiting muscular oxidative stress in osteoarthritis rat model. J Nutr Biochem 2015; 29:36-40. [PMID: 26895663 DOI: 10.1016/j.jnutbio.2015.10.007] [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] [Received: 06/17/2015] [Revised: 09/17/2015] [Accepted: 10/09/2015] [Indexed: 01/01/2023]
Abstract
Osteoarthritis (OA) is the most common form of arthritis, affecting approximately 15% of the population. The aim of this study was to evaluate the efficacy of sesame oil in controlling OA pain in rats. Rat joint pain was induced by medial meniscal transection in Sprague-Dawley rats and assessed by using hindlimb weight distribution method. Muscular oxidative stress was assessed by determining lipid peroxidation, reactive oxygen species and circulating antioxidants. Sesame oil significantly decreased joint pain compared with positive control group in a dose-dependent manner. Sesame oil decreased lipid peroxidation in muscle but not in serum. Further, sesame oil significantly decreased muscular superoxide anion and peroxynitrite generations but increased muscular glutathione and glutathione peroxidase levels. Further, sesame oil significantly increased nuclear factor erythroid-2-related factor (Nrf2) expression compared with positive control group. We concluded that daily sesame oil supplement may attenuate early joint pain by inhibiting Nrf2-associated muscular oxidative stress in OA rat model.
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Affiliation(s)
- Dur-Zong Hsu
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Pei-Yi Chu
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - I-Ming Jou
- Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan.
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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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Lee DG, Park SY, Chung WS, Park JH, Hwang E, Mavlonov GT, Kim IH, Kim KY, Yi TH. Fucoidan Prevents the Progression of Osteoarthritis in Rats. J Med Food 2015; 18:1032-41. [PMID: 26197088 DOI: 10.1089/jmf.2014.3334] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
This study investigated the effects of fucoidan (extract from Hizikia fusiforme) on symptoms and inflammatory cytokine activation in rats with monosodium iodoacetate (MIA)-induced osteoarthritis (OA). Forty male SD rats were divided into five groups, including normal, negative control (MIA), positive control (Lyprinol), and two experimental groups treated with 50 or 100 mg/kg fucoidan. Weight-bearing assessments were done after MIA injection into the right knee to induce OA. After 14 days of treatment, microcomputed tomographic (micro-CT) images were made of rat knee joints, and then animals were sacrificed for joint histology and inflammatory cytokine level assessments. MIA injection successfully induced OA by causing 40% weight-bearing imbalance, severe bone loss and cartilage degeneration, and markedly increased cytokine levels. However, fucoidan groups showed over 45% of imbalance and no articular cartilage surface lesions or change in subchondral trabecular bones in Micro-CT images. Histological analysis revealed that cartilage morphology and cell counts were also normal in the 100 mg/kg fucoidan group. In addition, the 100 mg/kg fucoidan groups exhibited lower serum tumor necrosis factor alpha (TNF-α) (30%), interleukin 1 beta (IL-1β) (48%), and matrix metalloproteinase-1 (MMP-1) (65%) compared to the MIA groups. These results suggest that administration of fucoidan prevents the progression of OA in a MIA-induced OA rat model.
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MESH Headings
- Animals
- Arthritis, Experimental/drug therapy
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/pathology
- Bone and Bones/drug effects
- Cartilage Diseases/prevention & control
- Cartilage, Articular/drug effects
- Cartilage, Articular/pathology
- Disease Models, Animal
- Disease Progression
- Interleukin-1beta/metabolism
- Iodoacetates
- Knee Joint/drug effects
- Knee Joint/metabolism
- Knee Joint/pathology
- Male
- Matrix Metalloproteinase 1/metabolism
- Osteoarthritis, Knee/drug therapy
- Osteoarthritis, Knee/metabolism
- Osteoarthritis, Knee/pathology
- Phytotherapy
- Plant Extracts/pharmacology
- Plant Extracts/therapeutic use
- Polysaccharides/pharmacology
- Polysaccharides/therapeutic use
- Rats, Sprague-Dawley
- Sargassum/chemistry
- Tumor Necrosis Factor-alpha/metabolism
- X-Ray Microtomography
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Affiliation(s)
- Don-Gil Lee
- 1 Department of Oriental Medicinal Materials & Processing, College of Life Science, Kyung Hee University , Gyeonggi-do, Korea
- 2 Graduate School of Biotechnology, Kyung Hee University , Gyeonggi-do, Korea
| | - Sang-Yong Park
- 1 Department of Oriental Medicinal Materials & Processing, College of Life Science, Kyung Hee University , Gyeonggi-do, Korea
| | - Won-Seok Chung
- 3 Department of Rehabilitation Medicine of Korean Medicine, Kyung Hee University , Seoul, Korea
| | - Jae-Hee Park
- 1 Department of Oriental Medicinal Materials & Processing, College of Life Science, Kyung Hee University , Gyeonggi-do, Korea
| | - Eunson Hwang
- 1 Department of Oriental Medicinal Materials & Processing, College of Life Science, Kyung Hee University , Gyeonggi-do, Korea
| | - Gafurjon Tom Mavlonov
- 4 Center of Genomic Technologies, Institute of Genetics and Plant Experimental Biology , Academy Sciences of Uzbekistan, Tashkent, Uzbekistan
| | - In-Ho Kim
- 5 Division of Metabolism and Functionality Research, Korea Food Research Institute , Gyeonggi-do, Korea
| | - Ki-Young Kim
- 2 Graduate School of Biotechnology, Kyung Hee University , Gyeonggi-do, Korea
| | - Tae-Hoo Yi
- 1 Department of Oriental Medicinal Materials & Processing, College of Life Science, Kyung Hee University , Gyeonggi-do, Korea
- 2 Graduate School of Biotechnology, Kyung Hee University , Gyeonggi-do, Korea
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222
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Zhou Q, Xu C, Cheng X, Liu Y, Yue M, Hu M, Luo D, Niu Y, Ouyang H, Ji J, Hu H. Platelets promote cartilage repair and chondrocyte proliferation via ADP in a rodent model of osteoarthritis. Platelets 2015; 27:212-22. [PMID: 26325015 DOI: 10.3109/09537104.2015.1075493] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Osteoarthritis (OA) is the most common age-related degenerative joint disease and platelet-rich plasma (PRP) has been shown to be beneficial in OA. Therefore, in this study, we aimed to investigate the effects of platelets on chondrocytes and the underlying mechanisms. Anabolic and catabolic activity and the proliferation rate of chondrocytes were evaluated after co-culture with platelets. Chondrocyte gene expression was measured by real-time PCR. Chondrocyte protein expression and phosphorylation were measured by western blot. Chondrocytes treated with or without platelets were transplanted into a rat model of OA induced by intra-articular injection of monosodium iodoacetate and the repair of articular cartilage was evaluated macroscopically and histologically. Platelets significantly promoted the proliferation of chondrocytes, while mildly influencing anabolic and catabolic activity. Chondrocytes co-cultured with platelets showed significantly increased production of bone morphogenetic protein 7 (BMP7). The autocrine/paracrine effect of BMP7 was responsible for the increased proliferation of chondrocytes, via the ERK/CDK1/cyclin B1 signaling pathway. Transplantation of platelet-treated chondrocytes showed better cartilage repair in the OA model. Platelet-derived ADP was identified as the major mediator to promote the production of BMP7 and the proliferation of chondrocytes, through the ADP receptor P2Y1. Finally, direct injection of α,β-methyleneadenosine-5'-diphosphate into OA joints also enhanced cartilage repair. This study has identified that platelet-derived ADP, but not ATP, is the key mediator for platelet-promoted chondrocyte proliferation and cartilage repair in osteoarthritis. This finding may provide a key explanation for the therapeutic effect of platelets in OA and help shaping a strategy to improve OA therapy.
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Affiliation(s)
- Qi Zhou
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Chunhua Xu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Xingyao Cheng
- b Affiliated Lishui Hospital of Zhejiang University , Lishui , China
| | - Yangyang Liu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Ming Yue
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Mengjiao Hu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Dongjiao Luo
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Yuxi Niu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China
| | - Hongwei Ouyang
- c Center for Stem Cell and Tissue Engineering, Zhejiang University School of Medicine , Hangzhou , Zhejiang , China , and
| | - Jiansong Ji
- b Affiliated Lishui Hospital of Zhejiang University , Lishui , China
| | - Hu Hu
- a Department of Pathology and Pathophysiology , Zhejiang University School of Medicine , Hangzhou , China .,d Zhejiang Key Laboratory for Disease Proteomics , Zhejiang , China
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223
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Deficits in spontaneous burrowing behavior in the rat bilateral monosodium iodoacetate model of osteoarthritis: an objective measure of pain-related behavior and analgesic efficacy. Osteoarthritis Cartilage 2015; 23:1605-12. [PMID: 25966657 DOI: 10.1016/j.joca.2015.05.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 03/30/2015] [Accepted: 05/01/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To characterize deficits in burrowing behavior - an ethologically-relevant rodent behavior - in the monosodium iodoacetate (MIA) rat model of osteoarthritis (OA), and the sensitivity of these deficits to reversal by analgesic drugs of both prototypical and novel mechanisms of action. A second objective was to compare the burrowing assay to a spontaneous locomotor activity (sLA) assay. METHOD Male Wistar Han rats (200-220 g) received intrarticular (i.a.) injections of MIA or saline for sham animals. A deficit in the amount of sand burrowed from steel tubes filled with 2.5 kg of sand was used as a measure of pain-related behavior, and sensitivity to reversal of these deficits by analgesic drugs was assessed in bilaterally MIA-injected rats. RESULTS Bilateral MIA injections induced a significant impairment of burrowing behavior, which was concentration-dependent. The temporal pattern of the deficits was biphasic: a large deficit at 3 days post-injection, resolving by day 14 and returning at the 21 and 28 day time points. At the 3 day time point ibuprofen, celecoxib and an anti-nerve growth factor (NGF) monoclonal antibody (mAb) were able to significantly reinstate burrowing behavior, whereas the fatty acid amide hydrolase (FAAH) inhibitor PF-04457845 and morphine displayed no reversal effect. Morphine impaired burrowing behavior at 3 mg/kg in sham animals. Deficits in rearing frequency in the locomotor activity assay proved irreversible by analgesics. CONCLUSION Burrowing behavior provides an objective, non-reflexive read-out for pain-related behavior in the MIA model that has predictive validity in detecting analgesic efficacy of nonsteroidal anti-inflammatory drugs (NSAIDs) and an anti-NGF mAb.
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224
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Bagi CM, Zakur DE, Berryman E, Andresen CJ, Wilkie D. Correlation between μCT imaging, histology and functional capacity of the osteoarthritic knee in the rat model of osteoarthritis. J Transl Med 2015; 13:276. [PMID: 26303725 PMCID: PMC4549091 DOI: 10.1186/s12967-015-0641-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 08/18/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND To acquire the most meaningful understanding of human arthritis, it is essential to select the disease model and methodology translatable to human conditions. The primary objective of this study was to evaluate a number of analytic techniques and biomarkers for their ability to accurately gauge bone and cartilage morphology and metabolism in the medial meniscal tear (MMT) model of osteoarthritis (OA). METHODS MMT surgery was performed in rats to induce OA. A dynamic weight bearing system (DWB) system was deployed to evaluate the weight-bearing capacity of the front and hind legs in rats. At the end of a 10-week study cartilage pathology was evaluated by micro computed tomography (μCT), contrast enhanced μCT (EPIC μCT) imaging and traditional histology. Bone tissue was evaluated at the tibial metaphysis and epiphysis, including the subchondral bone. Histological techniques and dynamic histomorphometry were used to evaluate cartilage morphology and bone mineralization. RESULTS The study results showed a negative impact of MMT surgery on the weight-bearing capacity of the operated limb. Surgery caused severe and extensive deterioration of the articular cartilage at the medial tibial plateau, as evidenced by elevated CTX-II in serum, EPIC μCT and histology. Bone analysis by μCT showed thickening of the subchondral bone beneath the damaged cartilage, loss of cancellous bone at the metaphysis and active osteophyte formation. CONCLUSIONS The study emphasizes the need for using various methodologies that complement each other to provide a comprehensive understanding of the pathophysiology of OA at the organ, tissue and cellular levels. Results from this study suggest that use of histology, μCT and EPIC μCT, and functional DWB tests provide powerful combination to fully assess the key aspects of OA and enhance data interpretation.
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Affiliation(s)
- Cedo M Bagi
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - David E Zakur
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Edwin Berryman
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Catharine J Andresen
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Dean Wilkie
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
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225
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Nwosu LN, Mapp PI, Chapman V, Walsh DA. Blocking the tropomyosin receptor kinase A (TrkA) receptor inhibits pain behaviour in two rat models of osteoarthritis. Ann Rheum Dis 2015; 75:1246-54. [PMID: 26286016 PMCID: PMC4893148 DOI: 10.1136/annrheumdis-2014-207203] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 07/13/2015] [Indexed: 01/11/2023]
Abstract
OBJECTIVES Tropomyosin receptor kinase A (TrkA) mediates nociceptor sensitisation by nerve growth factor (NGF), but it is unknown whether selective TrkA inhibition will be an effective strategy for treating osteoarthritis (OA) pain. We determined the effects of a TrkA inhibitor (AR786) on pain behaviour, synovitis and joint pathology in two rat OA models. METHODS Knee OA was induced in rats by intra-articular monosodium-iodoacetate (MIA) injection or meniscal transection (MNX) and compared with saline-injected or sham-operated controls. Pain behaviour was assessed as weight-bearing asymmetry and paw withdrawal threshold to punctate stimulation. Oral doses (30 mg/kg) of AR786 or vehicle were administered twice daily in either preventive (day -1 to -27) or treatment (day 14-28) protocols. Effect maintenance was evaluated for 2 weeks after treatment discontinuation. Alterations in knee structure (cartilage, subchondral bone and synovium) were examined by macroscopic visualisation of articular surfaces and histopathology. RESULTS Preventive AR786 treatment inhibited pain behaviour development and therapeutic treatment attenuated established pain behaviour. Weight-bearing asymmetry increased 1 week after treatment discontinuation, but remained less than in vehicle-treated arthritic rats, whereas paw withdrawal thresholds returned to levels of untreated rats within 5 days of treatment discontinuation. AR786 treatment reduced MIA-induced synovitis and did not significantly affect osteochondral pathology in either model. CONCLUSIONS Blocking NGF activity by inhibiting TrkA reduced pain behaviour in two rat models of OA. Analgesia was observed both using preventive and treatment protocols, and was sustained after treatment discontinuation. Selective inhibitors of TrkA therefore hold potential for OA pain relief.
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Affiliation(s)
- Lilian N Nwosu
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK School of Medicine, University of Nottingham, Nottingham, UK
| | - Paul I Mapp
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK School of Medicine, University of Nottingham, Nottingham, UK
| | - Victoria Chapman
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK School of Life Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, UK
| | - David A Walsh
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK School of Medicine, University of Nottingham, Nottingham, UK
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226
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Kim HT, Uchimoto K, Duellman T, Yang J. Automated assessment of pain in rats using a voluntarily accessed static weight-bearing test. Physiol Behav 2015; 151:139-46. [PMID: 26143745 PMCID: PMC4586949 DOI: 10.1016/j.physbeh.2015.06.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 06/23/2015] [Accepted: 06/24/2015] [Indexed: 01/14/2023]
Abstract
UNLABELLED The weight-bearing test is one method to assess pain in rodent animal models; however, the acceptance of this convenient method is limited by the low throughput data acquisition and necessity of confining the rodents to a small chamber. NEW METHODS We developed novel data acquisition hardware and software, data analysis software, and a conditioning protocol for an automated high throughput static weight-bearing assessment of pain. With this device, the rats voluntarily enter the weighing chamber, precluding the necessity to restrain the animals and thereby removing the potential stress-induced confounds as well as operator selection bias during data collection. We name this device the Voluntarily Accessed Static Incapacitance Chamber (VASIC). RESULTS Control rats subjected to the VASIC device provided hundreds of weight-bearing data points in a single behavioral assay. Chronic constriction injury (CCI) surgery and paw pad injection of complete Freund's adjuvant (CFA) or carrageenan in rats generated hundreds of weight-bearing data during a 30 minute recording session. Rats subjected to CCI, CFA, or carrageenan demonstrated the expected bias in weight distribution favoring the un-operated leg, and the analgesic effect of i.p. morphine was demonstrated. In comparison with existing methods, brief water restriction encouraged the rats to enter the weighing chamber to access water, and an infrared detector confirmed the rat position with feet properly positioned on the footplates, triggering data collection. This allowed hands-off measurement of weight distribution data reducing operator selection bias. CONCLUSION The VASIC device should enhance the hands-free parallel collection of unbiased weight-bearing data in a high throughput manner, allowing further testing of this behavioral measure as an effective assessment of pain in rodents.
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Affiliation(s)
- Hung Tae Kim
- Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Kazuhiro Uchimoto
- Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Tyler Duellman
- Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA
| | - Jay Yang
- Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53705, USA.
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227
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Ishikawa G, Koya Y, Tanaka H, Nagakura Y. Long-term analgesic effect of a single dose of anti-NGF antibody on pain during motion without notable suppression of joint edema and lesion in a rat model of osteoarthritis. Osteoarthritis Cartilage 2015; 23:925-32. [PMID: 25677108 DOI: 10.1016/j.joca.2015.02.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 01/29/2015] [Accepted: 02/02/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) patients experience exaggerated pain during movements such as walking. Anti-nerve growth factor (NGF) antibodies have recently shown analgesic effects in OA patients. We examined the effect of a single dose of anti-NGF antibody on pain during motion, joint edema and lesion in a rat model of OA to determine whether the analgesic effect demonstrated in clinical studies can be translated to a preclinical model. METHODS Sodium monoiodoacetate (MIA)-induced arthritic rats that develop a right-left gait imbalance when walking as an index of pain during motion. This imbalance was assessed using a gait analysis system called "CatWalk". Edema size and lesion score in the relevant knee joint were also measured. The effect of a single intravenous injection of an anti-NGF monoclonal antibody AS2886401-00 on these parameters was assessed. RESULTS AS2886401-00 administered at 0.3 or 1 mg/kg on Day 3 post-MIA injection resulted in a statistically significant improvement in gait imbalance even on Day 35. When gait measurement was set on Week 3 post-MIA administration, administration of the antibody at a timing close to the gait measurement, i.e., 1 or 24 h prior to the measurement, was less effective. AS2886401-00 did not suppress either edema or lesion. CONCLUSIONS A single dose of anti-NGF antibody exerts a long-lasting analgesic effect on pain during motion in a rat model of OA. This finding could be associated with the analgesic efficacies that anti-NGF antibodies have exhibited in clinical studies. It appears unlikely that analgesia is secondary to inhibition of joint edema and lesion.
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Affiliation(s)
- G Ishikawa
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Y Koya
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - H Tanaka
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Y Nagakura
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
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228
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Ogbonna AC, Clark AK, Malcangio M. Development of monosodium acetate-induced osteoarthritis and inflammatory pain in ageing mice. AGE (DORDRECHT, NETHERLANDS) 2015; 37:9792. [PMID: 25971876 PMCID: PMC4430498 DOI: 10.1007/s11357-015-9792-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 05/04/2015] [Indexed: 05/05/2023]
Abstract
Most conditions associated with ageing result from an age-related loss in the function of cells and tissues that maintain body homeostasis. In osteoarthritis (OA) patients, an inadequate response to stress or joint injury can lead to tissue destruction which can result in chronic pain. Here, we evaluated the development of monoiodoacetate (MIA)-induced OA in 3-, 15- and 22-month-old mice and assessed the pain-like behaviours and the spinal microglial changes associated with MIA administration. We observed that in aged mice, nocifensive behaviour was significantly attenuated in comparison to young adults despite similar knee joint pathology. Specifically referred mechanical allodynia associated with the MIA initial inflammatory phase (0-10 days) was significantly attenuated in 22-month-old mice. In contrast, the late phase of MIA-induced mechanical allodynia was comparable between age groups. Significant increase of microglia cell numbers was detected in 3, but not 15- and 22-month-old spinal cords. Furthermore, in the zymosan model of acute inflammation, mechanical allodynia was attenuated, and microglial response was less robust in 22 compared to 3-month-old mice. This study suggests that nocifensive responses to damaging stimuli are altered with advancing age and microglial response to peripheral damage is less robust.
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Affiliation(s)
- Andrea C. Ogbonna
- Wolfson Centre for Age-Related Diseases, King’s College London, Guy’s Campus, London Bridge, London, SE1 1UL UK
| | - Anna K. Clark
- Wolfson Centre for Age-Related Diseases, King’s College London, Guy’s Campus, London Bridge, London, SE1 1UL UK
| | - Marzia Malcangio
- Wolfson Centre for Age-Related Diseases, King’s College London, Guy’s Campus, London Bridge, London, SE1 1UL UK
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229
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Sagar DR, Nwosu L, Walsh DA, Chapman V. Dissecting the contribution of knee joint NGF to spinal nociceptive sensitization in a model of OA pain in the rat. Osteoarthritis Cartilage 2015; 23:906-13. [PMID: 25623624 PMCID: PMC4459966 DOI: 10.1016/j.joca.2015.01.010] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 12/04/2014] [Accepted: 01/19/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Although analgesic approaches targeting nerve growth factor (NGF) for the treatment of osteoarthritis (OA) pain remain of clinical interest, neurophysiological mechanisms by which NGF contribute to OA pain remain unclear. We investigated the impact of local elevation of knee joint NGF on knee joint, vs remote (hindpaw), evoked responses of spinal neurones in a rodent model of OA pain. DESIGN In vivo spinal electrophysiology was carried out in anaesthetised rats with established pain behaviour and joint pathology following intra-articular injection of monosodium iodoacetate (MIA), vs injection of saline. Neuronal responses to knee joint extension and flexion, mechanical punctate stimulation of the peripheral receptive fields over the knee and at a remote site (ipsilateral hind paw) were studied before, and following, intra-articular injection of NGF (10 μg/50 μl) or saline. RESULTS MIA-injected rats exhibited significant local (knee joint) and remote (lowered hindpaw withdrawal thresholds) changes in pain behaviour, and joint pathology. Intra-articular injection of NGF significantly (P < 0.05) increased knee extension-evoked firing of spinal neurones and the size of the peripheral receptive fields of spinal neurones (100% increase) over the knee joint in MIA rats, compared to controls. Intra-articular NGF injection did not significantly alter responses of spinal neurones following noxious stimulation of the ipsilateral hind paw in MIA-injected rats. CONCLUSION The facilitatory effects of intra-articular injection of NGF on spinal neurones receiving input from the knee joint provide a mechanistic basis for NGF mediated augmentation of OA knee pain, however additional mechanisms may contribute to the spread of pain to remote sites.
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Affiliation(s)
- D R Sagar
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Life Sciences, University of Nottingham, Nottingham, NG7 2UH, UK
| | - L Nwosu
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; Department of Academic Rheumatology, University of Nottingham, Clinical Sciences Building, Nottingham City Hospital, NG5 1PB, UK
| | - D A Walsh
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; Department of Academic Rheumatology, University of Nottingham, Clinical Sciences Building, Nottingham City Hospital, NG5 1PB, UK
| | - V Chapman
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Life Sciences, University of Nottingham, Nottingham, NG7 2UH, UK.
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230
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Li H, Wang F, Wang X, Sun R, Chen J, Chen B, Zhang Y. Antinociceptive Efficacy of Retigabine in the Monosodium Lodoacetate Rat Model for Osteoarthritis Pain. Pharmacology 2015; 95:251-7. [PMID: 25997526 DOI: 10.1159/000381721] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 03/15/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND The goal of pharmacological osteoarthritis (OA) treatments is to reduce pain and thus increase patient joint function and quality of life. Retigabine, a potent Kv7/M channel activator, shows analgesic efficacy in animal models of chronic inflammatory and neuropathic pain. We hypothesized that retigabine may also mitigate OA pain. To determine the effects of retigabine on pain behavior associated with monosodium iodoacetate (MIA)-induced OA. METHODS The OA model was established with an intra-articular injection of MIA through the right patellar ligament, animals were treated with retigabine, and pain-related behaviors were assessed. RESULTS Retigabine significantly increased the mechanical threshold and prolonged the withdrawal latency of OA rats at 3-14 days. Retigabine also increased the mechanical threshold and prolonged the withdrawal latency of OA pain in a dose-dependent manner, with the strongest antinociceptive effect occurring at 60 min. The antinociceptive effects of retigabine were fully antagonized by the Kv7/M channel blocker XE991. CONCLUSION Retigabine showed antinociceptive effects for OA pain in the MIA model at different times during pain development. Retigabine may be an alternative therapeutic treatment for OA.
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Affiliation(s)
- Han Li
- Department of Orthopaedic Surgery, Institute of Biomechanical Science, Biomechanical Key Laboratory of Hebei Province, Third Hospital of Hebei Medical University, Shijiazhuang, China
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231
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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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232
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The inimitable kynurenic acid: The roles of different ionotropic receptors in the action of kynurenic acid at a spinal level. Brain Res Bull 2015; 112:52-60. [DOI: 10.1016/j.brainresbull.2015.02.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 01/08/2015] [Accepted: 02/02/2015] [Indexed: 10/24/2022]
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233
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Tsai CF, Wang KT, Chen LG, Lee CJ, Tseng SH, Wang CC. Anti-inflammatory effects of Vitis thunbergii var. taiwaniana on knee damage associated with arthritis. J Med Food 2015; 17:479-86. [PMID: 24720858 DOI: 10.1089/jmf.2013.2914] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Vitis thunbergii Sieb. et Zucc. var. taiwaniana Lu (VT) is an indigenous plant in Taiwan that is traditionally used for promoting joint health. In this study, we used in vitro primary human chondrocytes (PHCs) and two in vivo animal models to evaluate the anti-inflammatory effects of VT on arthritis. Results showed that the water extract of the stems and roots from VT (VT-SR) was rich in flavones and phenols with 1.1 mg/g of resveratrol, 6.7 mg/g of hopeaphenol, and 5.1 mg/g of (+)-ɛ-viniferin. VT-SR significantly scavenged DPPH radicals and inhibited prostaglandin E2 (PGE2) production in lipopolysaccharide (LPS)-induced PHCs without exhibiting significant cytotoxicity. In in vivo models, the VT-SR (500 mg/kg) significantly decreased serum PGE2 and knee 2-(18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG) levels in LPS-induced acute inflammatory arthritis in rabbits. In addition, dietary supplementation with VT-SR for 28 days significantly alleviated type II collagenase-induced rat osteoarthritis with improvements in weight bearing and range of motion tests. In conclusion, our results suggest that the VT-SR is a good candidate for developing dietary supplements to prevent joint deterioration and inhibit inflammation.
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Affiliation(s)
- Ching-Fent Tsai
- 1 Department of Orthopedics, New Taipei City Hospital , New Taipei City, Taiwan
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234
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Murai N, Takeshita N, Nishigaki F, Irie M, Tamura S, Aoki T, Matsuoka N. AS1069562, the (+)-isomer of indeloxazine, exerts analgesic effects in rat models of nociceptive pain. Neurol Res 2015; 37:525-30. [DOI: 10.1179/1743132815y.0000000007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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235
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Guidetti R, Astles PC, Sanderson AJ, Hollinshead SP, Johnson MP, Chambers MG. The SAR development of substituted purine derivatives as selective CB2 agonists for the treatment of chronic pain. Bioorg Med Chem Lett 2014; 24:5572-5575. [PMID: 25466177 DOI: 10.1016/j.bmcl.2014.11.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 10/31/2014] [Accepted: 11/01/2014] [Indexed: 11/24/2022]
Abstract
Osteoarthritis (OA) and the associated joint pain are highly prevalent and a leading cause of disability. We have previously reported the identification of a series of purines as selective CB2 agonists and the identification of compound 1 as a clinical candidate for the treatment of joint pain. In this article we describe the further SAR development of the purine scaffold leading to the discovery of compound 6 as a potent, CNS penetrating CB2 agonist with high selectivity for CB2 over CB1 and oral efficacy in animal models of chronic OA pain.
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Affiliation(s)
- Rossella Guidetti
- Discovery Chemistry, Erl Wood Manor, Lilly Research Laboratories, A Division of Eli Lilly and Company, Sunningdale Road, Windlesham, Surrey GU20 6PH, UK.
| | - Peter C Astles
- Discovery Chemistry, Erl Wood Manor, Lilly Research Laboratories, A Division of Eli Lilly and Company, Sunningdale Road, Windlesham, Surrey GU20 6PH, UK
| | - Adam J Sanderson
- Discovery Chemistry, Erl Wood Manor, Lilly Research Laboratories, A Division of Eli Lilly and Company, Sunningdale Road, Windlesham, Surrey GU20 6PH, UK
| | - Sean P Hollinshead
- Discovery Chemistry, Lilly Research Laboratories, A Division of Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Michael P Johnson
- Neuroscience Discovery, Lilly Research Laboratories, A Division of Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46285, USA
| | - Mark G Chambers
- Musculoskeletal Research, Lilly Research Laboratories, A Division of Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46285, USA
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Ashkavand Z, Malekinejad H, Vishwanath B. Combined action of Silymarin and Celecoxib in modulating inflammatory mediators in osteoarthritis. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.bionut.2014.07.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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237
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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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238
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van Buul GM, Siebelt M, Leijs MJC, Bos PK, Waarsing JH, Kops N, Weinans H, Verhaar JAN, Bernsen MR, van Osch GJVM. Mesenchymal stem cells reduce pain but not degenerative changes in a mono-iodoacetate rat model of osteoarthritis. J Orthop Res 2014; 32:1167-74. [PMID: 24839120 DOI: 10.1002/jor.22650] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Accepted: 04/24/2014] [Indexed: 02/04/2023]
Abstract
We studied the effects of intra-articularly injected bone marrow derived mesenchymal stem cells (MSCs), as well as freshly isolated bone marrow mononuclear cells (BMMNCs), on pain, cartilage damage, bone changes and inflammation in an in-vivo rat osteoarthritis (OA) model. OA was induced unilaterally by injection of mono-iodoacetate (MIA) and allowed to develop for 3 weeks. Then, animals were treated by intra-articular injection with MSCs, BMMNCs, or saline as a control. Four weeks later, pain was assessed with an incapitance tester, subchondral bone alterations were measured with µCT and cartilage quality and joint inflammation were assessed by histological analysis. Animals treated with MSCs distributed significantly more weight to the affected limb after treatment, which was not observed in the other groups. No statistically significant differences between treatment groups regarding cartilage damage, subchondral bone alterations and synovial inflammation were observed. Additional cell tracking experiments indicated adequate intra-articular cell injection and cell survival up to 2 weeks. In our OA model, injected MSCs were able to reduce MIA induced pain, as measured by an increased weight distribution to the affected limb. No statistically significant effects of the cellular therapies on structural damage and synovial inflammation were found.
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Affiliation(s)
- Gerben M van Buul
- Department of Orthopaedics, Erasmus MC, Wytemaweg 80, Rotterdam, The Netherlands; Department of Radiology, Erasmus MC, Rotterdam, The Netherlands
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239
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Suokas AK, Sagar DR, Mapp PI, Chapman V, Walsh DA. Design, study quality and evidence of analgesic efficacy in studies of drugs in models of OA pain: a systematic review and a meta-analysis. Osteoarthritis Cartilage 2014; 22:1207-23. [PMID: 25008207 DOI: 10.1016/j.joca.2014.06.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 05/28/2014] [Accepted: 06/12/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Studies using animal models are important in drug development, but often poorly predict treatment results in man. We investigated factors that may impact on the magnitude of the analgesic treatment effect in animal models of osteoarthritis (OA) pain. DESIGN Systematic review of studies that measured behavioural pain outcomes in small animal models of OA, and tested drugs which reduce OA pain in man. Standardised mean difference (SMD) and 95% confidence intervals (CIs) were calculated using random effects meta-analysis for selected models and drugs. RESULTS Most studies used rat models (42/50) and chemical methods of OA induction (39/50). Analgesic treatment effect (SMD) was most commonly measured between drug- and vehicle treated rats with knee OA. Meta-analysis was carried out for 102 such comparisons from 26 studies. The pooled SMD was 1.36 (95% CI = 1.15-1.57). Non-steroidal anti-inflammatory drugs (NSAIDs) were associated with smaller SMDs than opioids (z = -3.25, P = 0.001). Grip strength gave larger SMDs than assessment of static weight bearing (z = -4.60, P < 0.001), mechanically-evoked pain (z = -3.83, P = 0.001) and movement-evoked pain (z = -5.23, P < 0.001), and SMDs for mechanically-evoked pain were larger than for movement-evoked pain (z = -2.78, P = 0.006). Studies that reported structural evaluation of OA phenotype were associated with smaller SMDs (z = -2.45, P = 0.014). Publication was significantly biased towards positive findings. CONCLUSION Attention to study-level moderators and publication bias may improve the ability of research using animal models to predict whether analgesic agents will reduce arthritis pain in man.
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Affiliation(s)
- A K Suokas
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Medicine, University of Nottingham, Nottingham, UK.
| | - D R Sagar
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Life Sciences, University of Nottingham, Nottingham, UK
| | - P I Mapp
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Medicine, University of Nottingham, Nottingham, UK
| | - V Chapman
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Life Sciences, University of Nottingham, Nottingham, UK
| | - D A Walsh
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK; School of Medicine, University of Nottingham, Nottingham, UK
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240
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A preclinical physiological assay to test modulation of knee joint pain in the spinal cord: effects of oxycodone and naproxen. PLoS One 2014; 9:e106108. [PMID: 25157947 PMCID: PMC4144976 DOI: 10.1371/journal.pone.0106108] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 08/01/2014] [Indexed: 11/19/2022] Open
Abstract
Sensory processing in the spinal cord during disease states can reveal mechanisms for novel treatments, yet very little is known about pain processing at this level in the most commonly used animal models of articular pain. Here we report a test of the prediction that two clinically effective compounds, naproxen (an NSAID) and oxycodone (an opiate), are efficacious in reducing the response of spinal dorsal horn neurons to noxious knee joint rotation in the monosodium iodoacetate (MIA) sensitized rat. The overall objective for these experiments was to develop a high quality in vivo electrophysiology assay to confidently test novel compounds for efficacy against pain. Given the recent calls for improved preclinical experimental quality we also developed and implemented an Assay Capability Tool to determine the quality of our assay and ensure the quality of our results. Spinal dorsal horn neurons receiving input from the hind limb knee joint were recorded in anesthetized rats 14 days after they were sensitized with 1 mg of MIA. Intravenous administered oxycodone and naproxen were each tested separately for their effects on phasic, tonic, ongoing and afterdischarge action potential counts in response to innocuous and noxious knee joint rotation. Oxycodone reduced tonic spike counts more than the other measures, doing so by up to 85%. Tonic counts were therefore designated the primary endpoint when testing naproxen which reduced counts by up to 81%. Both reductions occurred at doses consistent with clinically effective doses for osteoarthritis. These results demonstrate that clinically effective doses of standard treatments for osteoarthritis reduce pain processing measured at the level of the spinal cord for two different mechanisms. The Assay Capability Tool helped to guide experimental design leading to a high quality and robust preclinical assay to use in discovering novel treatments for pain.
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241
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Di Cesare Mannelli L, Cinci L, Micheli L, Zanardelli M, Pacini A, McIntosh JM, Ghelardini C. α-conotoxin RgIA protects against the development of nerve injury-induced chronic pain and prevents both neuronal and glial derangement. Pain 2014; 155:1986-95. [PMID: 25008370 DOI: 10.1016/j.pain.2014.06.023] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 06/05/2014] [Accepted: 06/30/2014] [Indexed: 12/18/2022]
Abstract
Neuropathic pain affects millions of people worldwide, causing substantial disability and greatly impairing quality of life. Commonly used analgesics or antihyperalgesic compounds are generally characterized by limited therapeutic outcomes. Thus, there is a compelling need for novel therapeutic strategies able to prevent nervous tissue alterations responsible for chronic pain. The α9α10 nicotinic acetylcholine receptor antagonist α-conotoxin RgIA (RgIA), a peptide isolated from the venom of a carnivorous cone snail, induces relief in both acute and chronic pain models. To evaluate potential disease-modifying effects of RgIA, the compound was given to rats following chronic constriction injury (CCI) of the sciatic nerve. Two or 10 nmol RgIA injected intramuscularly once a day for 14 days reduced the painful response to suprathreshold stimulation, increased pain threshold to nonnoxious stimuli, and normalized alterations in hind limb weight bearing. Histological analysis of the sciatic nerve revealed that RgIA prevented CCI-induced decreases of axonal compactness and diameter, loss of myelin sheath, and decreases in the fiber number. Moreover, RgIA significantly reduced edema and inflammatory infiltrate, including a decrease of CD86(+) macrophages. In L4-L5 dorsal root ganglia, RgIA prevented morphometric changes and reduced the inflammatory infiltrate consistent with a disease-modifying effect. In the dorsal horn of the spinal cord, RgIA prevented CCI-induced activation of microglia and astrocytes. These data suggest that RgIA-like compounds may represent a novel class of therapeutics for neuropathic pain that protects peripheral nervous tissues as well as prevents central maladaptive plasticity by inhibiting glial cell activation.
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Affiliation(s)
- Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Florence, Italy.
| | - Lorenzo Cinci
- Department of Neuroscience, Psychology, Drug Research and Child Health - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Laura Micheli
- Department of Neuroscience, Psychology, Drug Research and Child Health - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Matteo Zanardelli
- Department of Neuroscience, Psychology, Drug Research and Child Health - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Florence, Italy
| | - Alessandra Pacini
- Department of Experimental and Clinical Medicine - DMSC - Anatomy and Histology Section, University of Florence, Florence, Italy
| | - J Michael McIntosh
- George E. Wahlen Veterans Affairs Medical Center, Salt Lake City, UT, USA; Department of Biology, University of Utah, Salt Lake City, UT, USA; Department of Psychiatry, University of Utah, Salt Lake City, UT, USA
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Florence, Italy
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Preliminary study on pain reduction of monosodium iodoacetate-induced knee osteoarthritis in rats by carbon dioxide laser moxibustion. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 2014:754304. [PMID: 25013448 PMCID: PMC4074960 DOI: 10.1155/2014/754304] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 05/05/2014] [Indexed: 12/21/2022]
Abstract
In order to study the effects of CO2 laser moxibustion on the pain and inflammatory cytokine expression in the spinal dorsal horn of rats with monosodium iodoacetate- (MIA-) induced knee osteoarthritis (KOA), we designed an experiment by randomly assigning 8 SD rats into 3 groups, namely, a CO2 laser moxibustion group, a sham treatment group, and a blank control group. The treatment group received a laser moxibustion on acupoint Dubi (ST 35; 5 min/treatment, 1 treatment/day) for 8 days, and after treatment, the rats exhibited significantly increased interhindpaw differences compared with their preinduction values. Meanwhile, cytokine microarray analysis showed that one cytokine (TIMP-1) was significantly upregulated and two cytokines (Agrin and MMP-8) were significantly downregulated in treatment group. The present study suggested that CO2 laser moxibustion created certain pain reduction in the rats with MIA-induced KOA and significantly inhibited the expression of most inflammatory cytokines in the ipsilateral spinal dorsal horn.
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243
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Ishikawa G, Nagakura Y, Takeshita N, Shimizu Y. Efficacy of drugs with different mechanisms of action in relieving spontaneous pain at rest and during movement in a rat model of osteoarthritis. Eur J Pharmacol 2014; 738:111-7. [PMID: 24939049 DOI: 10.1016/j.ejphar.2014.05.048] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 04/24/2014] [Accepted: 05/18/2014] [Indexed: 12/14/2022]
Abstract
Patients with osteoarthritis (OA) suffer from joint pain aggravated by movement, which affect their quality of life. In the present study, a weight bearing paradigm for pain at rest and a gait paradigm for pain during movement were tested in rats with unilateral knee arthritis induced by an intra-articular injection of sodium monoiodoacetate (MIA). At week 3 after MIA (1mg/knee) injection, animals developed pain-associated, right-left imbalances of weight distribution (weight bearing) or foot print parameters (gait). Diclofenac, at doses up to 30 mg/kg orally (p.o.), did not have a significant effect on either paradigm. Morphine rectified the weight bearing and gait imbalances at 1 and 3mg/kg subcutaneously, respectively. The weak opioid and serotonin/norepinephrine reuptake inhibitor (SNRI) tramadol also significantly corrected the indices at 10mg/kg (weight bearing) and 100mg/kg p.o. (gait). The SNRI duloxetine at 30 mg/kg p.o. corrected the weight bearing imbalance but not gait imbalance. We assessed the effect of different drugs on pain-induced disturbances in weight distribution and gait in MIA-induced arthritic rats. Analgesic drugs, each with different mechanisms of action, were less effective in rectifying the imbalance in gait than that in weight distribution. The assessment of the effect of analgesics on not only rest pain but pain during movement is valuable for the comprehensive examination of their therapeutic efficacies in OA.
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Affiliation(s)
- Go Ishikawa
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Yukinori Nagakura
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Nobuaki Takeshita
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Yasuaki Shimizu
- Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
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Bullock CM, Kelly S. Calcitonin gene-related peptide receptor antagonists: beyond migraine pain--a possible analgesic strategy for osteoarthritis? Curr Pain Headache Rep 2014; 17:375. [PMID: 24068339 PMCID: PMC3824306 DOI: 10.1007/s11916-013-0375-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Osteoarthritis (OA) pain is poorly understood and managed, as current analgesics have only limited efficacy and unwanted side effect profiles. A broader understanding of the pathological mechanisms driving OA joint pain is vital for the development of improved analgesics. Both clinical and preclinical data suggest an association between joint levels of the sensory neuropeptide calcitonin gene-related peptide (CGRP) and pain during OA. Whether a direct causative link exists remains an important unanswered question. Given the recent development of small molecule CGRP receptor antagonists with clinical efficacy against migraine pain, the interrogation of the role of CGRP in OA pain mechanisms is extremely timely. In this article, we provide the background to the importance of CGRP in pain mechanisms and review the emerging clinical and preclinical evidence implicating a role for CGRP in OA pain. We suggest that the CGRP receptor antagonists developed for migraine pain warrant further investigation in OA.
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Affiliation(s)
- C. M. Bullock
- Arthritis Research UK Pain Centre, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD UK
| | - S. Kelly
- Arthritis Research UK Pain Centre, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD UK
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245
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Bowles RD, Mata BA, Bell RD, Mwangi TK, Huebner JL, Kraus VB, Setton LA. In vivo luminescence imaging of NF-κB activity and serum cytokine levels predict pain sensitivities in a rodent model of osteoarthritis. Arthritis Rheumatol 2014; 66:637-46. [PMID: 24574224 DOI: 10.1002/art.38279] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 11/12/2013] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To investigate the relationship between NF-κB activity, cytokine levels, and pain sensitivities in a rodent model of osteoarthritis (OA). METHODS OA was induced in transgenic NF-κB-luciferase reporter mice via intraarticular injection of monosodium iodoacetate (MIA). Using luminescence imaging we evaluated the temporal kinetics of NF-κB activity and its relationship to the development of pain sensitivities and serum cytokine levels in this model. RESULTS MIA induced a transient increase in joint-related NF-κB activity at early time points (day 3 after injection) and an associated biphasic pain response (mechanical allodynia). NF-κB activity, serum interleukin-6 (IL-6), IL-1β, and IL-10 levels accounted for ∼75% of the variability in pain-related mechanical sensitivities in this model. Specifically, NF-κB activity was strongly correlated with mechanical allodynia and serum IL-6 levels in the inflammatory pain phase of this model (day 3), while serum IL-1β was strongly correlated with pain sensitivities in the chronic pain phase of the model (day 28). CONCLUSION Our findings suggest that NF-κB activity, IL-6, and IL-1β may play distinct roles in pain sensitivity development in this model of arthritis and may distinguish the acute pain phase from the chronic pain phase. This study establishes luminescence imaging of NF-κB activity as a novel imaging biomarker of pain sensitivities in this model of OA.
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246
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Benschop RJ, Collins EC, Darling RJ, Allan BW, Leung D, Conner EM, Nelson J, Gaynor B, Xu J, Wang XF, Lynch RA, Li B, McCarty D, Nisenbaum ES, Oskins JL, Lin C, Johnson KW, Chambers MG. Development of a novel antibody to calcitonin gene-related peptide for the treatment of osteoarthritis-related pain. Osteoarthritis Cartilage 2014; 22:578-85. [PMID: 24508775 DOI: 10.1016/j.joca.2014.01.009] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 01/17/2014] [Accepted: 01/25/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Investigate a role for calcitonin gene-related peptide (CGRP) in osteoarthritis (OA)-related pain. DESIGN Neutralizing antibodies to CGRP were generated de novo. One of these antibodies, LY2951742, was characterized in vitro and tested in pre-clinical in vivo models of OA pain. RESULTS LY2951742 exhibited high affinity to both human and rat CGRP (KD of 31 and 246 pM, respectively). The antibody neutralized CGRP-mediated induction of cAMP in SK-N-MC cells in vitro and capsaicin-induced dermal blood flow in the rat. Neutralization of CGRP significantly reduced pain behavior as measured by weight bearing differential in the rat monoiodoacetate model of OA pain in a dose-dependent manner. Moreover, pain reduction with neutralization of CGRP occurred independently of prostaglandins, since LY2951742 and NSAIDs worked additively in the NSAID-responsive version of the model and CGRP neutralization remained effective in the NSAID non-responsive version of the model. Neutralization of CGRP also provided dose-dependent and prolonged (>60 days) pain reduction in the rat meniscal tear model of OA after only a single injection of LY2951742. CONCLUSIONS LY2951742 is a high affinity, neutralizing antibody to CGRP. Neutralization of CGRP is efficacious in several OA pain models and works independently of NSAID mechanisms of action. LY2951742 holds promise for the treatment of pain in OA patients.
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Affiliation(s)
- R J Benschop
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - E C Collins
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - R J Darling
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - B W Allan
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - D Leung
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - E M Conner
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - J Nelson
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - B Gaynor
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - J Xu
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - X-F Wang
- Eli Lilly & Company, Lilly Biotechnology Center, San Diego, CA 92121, USA.
| | - R A Lynch
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - B Li
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - D McCarty
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - E S Nisenbaum
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | | | - C Lin
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - K W Johnson
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
| | - M G Chambers
- Eli Lilly & Company, Lilly Corporate Center, Indianapolis, IN 46285, USA.
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Pertici V, Pin-Barre C, Felix MS, Laurin J, Brisswalter J, Decherchi P. A new method to assess weight-bearing distribution after central nervous system lesions in rats. Behav Brain Res 2014; 259:78-84. [DOI: 10.1016/j.bbr.2013.10.043] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 10/23/2013] [Accepted: 10/26/2013] [Indexed: 12/24/2022]
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248
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Intra-articular injection of collagenase in the knee of rats as an alternative model to study nociception associated with osteoarthritis. Arthritis Res Ther 2014; 16:R10. [PMID: 24423138 PMCID: PMC3979102 DOI: 10.1186/ar4436] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Accepted: 11/06/2013] [Indexed: 12/26/2022] Open
Abstract
INTRODUCTION Animal models currently used in osteoarthritis-associated pain research inadequately reproduce the initiating events and structural pathology of human osteoarthritis. Conversely, intra-articular injection of collagenase is a structurally relevant model, as it induces articular degeneration both by digesting collagen from cartilage and by causing articular instability, thereby reproducing some of the main events associated with osteoarthritis onset and development. Here, we evaluated if the intra-articular injection of collagenase can be an alternative model to study nociception associated with osteoarthritis. METHODS Osteoarthritis was induced by two intra-articular injections of either 250 U or 500 U of collagenase into the left knee joint of adult male Wistar rats. A six weeks time-course assessment of movement- and loading-induced nociception was performed by the Knee-Bend and CatWalk tests. The effect of morphine, lidocaine and diclofenac on nociceptive behaviour was evaluated in animals injected with 500 U of collagenase. Joint histopathology was scored for both doses throughout time. The expression of transient receptor potential vanilloid 1 (TRPV1) in ipsilateral dorsal root ganglia (DRG) was evaluated. RESULTS An increase in nociceptive behaviour associated with movement and loading of affected joints was observed after intra-articular collagenase injection. With the 500 U dose of collagenase, there was a significant correlation between the behavioural and the histopathological osteoarthritis-like structural changes developed after six weeks. One week after injection of 500 U collagenase, swelling of the injected knee and inflammation of the synovial membrane were also observed, indicating the occurrence of an early inflammatory reaction. Behavioural changes induced by the 500 U dose of collagenase were overall effectively reversed by morphine and lidocaine. Diclofenac was effective one week after injection. TRPV1 expression increased six weeks after 500 U collagenase injection. CONCLUSION We conclude that the intra-articular injection of 500 U collagenase in the knee of rats can be an alternative model for the study of nociception associated with osteoarthritis, since it induces significant nociceptive alterations associated with relevant osteoarthritis-like joint structural changes.
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Naveen SV, Ahmad RE, Hui WJ, Suhaeb AM, Murali MR, Shanmugam R, Kamarul T. Histology, glycosaminoglycan level and cartilage stiffness in monoiodoacetate-induced osteoarthritis: comparative analysis with anterior cruciate ligament transection in rat model and human osteoarthritis. Int J Med Sci 2014; 11:97-105. [PMID: 24396291 PMCID: PMC3880996 DOI: 10.7150/ijms.6964] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Accepted: 12/15/2013] [Indexed: 11/21/2022] Open
Abstract
Monosodium -iodoacetate (MIA)-induced animal model of osteoarthritis (OA) is under-utilised despite having many inherent advantages. At present, there is lack of studies that directly compare the degenerative changes induced by MIA with the surgical osteoarthritis induction method and human osteoarthritis, which would further verify a greater use of this model. Therefore, we compared the histological, biochemical and biomechanical characteristics in rat model using MIA against the anterior cruciate ligament transection (ACLT) and human cartilage with clinically established osteoarthritis. The right knees of Sprague-Dawley rats were subjected to either MIA or ACLT (n=18 in each group). Six rats were used as controls. Human cartilage samples were collected and compared from patients clinically diagnosed with (n=7) and without osteoarthritis (n=3). Histological, biochemical (Glycosaminoglycans/total protein) and biomechanical (cartilage stiffness) evaluations were performed at the end of the 1(st) and 2(nd) week after OA induction. For human samples, evaluations were performed at the time of sampling. Histopathological changes in the MIA group were comparable to that observed in the ACLT group and human OA. The Mankin scores of the 3 groups were comparable (MIA: 11.5 ± 1.0; ACLT: 10.1 ± 1.1; human OA: 13.2 ± 0.8). Comparable reduction in Glycosaminoglycan/total protein content in the intervention groups were observed (MIA: 7 ± 0.6; ACLT: 6.6 ± 0.5; human OA: 3.1 ± 0.7). Cartilage stiffness score were 24.2 ± 15.3 Mpa for MIA, 25.3 ± 4.8 for ACLT and 0.5 ± 0.0 Mpa for human OA. The MIA model produces comparable degenerative changes to ACLT and human OA with the advantage of being rapid, minimally invasive and reproducible. Therefore, wider utilisation of MIA as animal translational OA model should perhaps be advocated.
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Affiliation(s)
- Sangeetha Vasudevaraj Naveen
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Raja Elina Ahmad
- 3. Department of Physiology, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Wong Jia Hui
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Abdulrazzaq Mahmod Suhaeb
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Malliga Raman Murali
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Rukmanikanthan Shanmugam
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia
| | - Tunku Kamarul
- 1. Tissue Engineering Group (TEG), National Orthopaedic Centre of Excellence in Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, 50603 Lembah Pantai, Kuala Lumpur, Malaysia. ; 2. Clinical Investigative Centre (CIC), University Malaya Medical Centre, Kuala Lumpur, Malaysia
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250
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Burston JJ, Sagar DR, Shao P, Bai M, King E, Brailsford L, Turner JM, Hathway GJ, Bennett AJ, Walsh DA, Kendall DA, Lichtman A, Chapman V. Cannabinoid CB2 receptors regulate central sensitization and pain responses associated with osteoarthritis of the knee joint. PLoS One 2013; 8:e80440. [PMID: 24282543 PMCID: PMC3840025 DOI: 10.1371/journal.pone.0080440] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 10/02/2013] [Indexed: 02/01/2023] Open
Abstract
Osteoarthritis (OA) of the joint is a prevalent disease accompanied by chronic, debilitating pain. Recent clinical evidence has demonstrated that central sensitization contributes to OA pain. An improved understanding of how OA joint pathology impacts upon the central processing of pain is crucial for the identification of novel analgesic targets/new therapeutic strategies. Inhibitory cannabinoid 2 (CB2) receptors attenuate peripheral immune cell function and modulate central neuro-immune responses in models of neurodegeneration. Systemic administration of the CB2 receptor agonist JWH133 attenuated OA-induced pain behaviour, and the changes in circulating pro- and anti-inflammatory cytokines exhibited in this model. Electrophysiological studies revealed that spinal administration of JWH133 inhibited noxious-evoked responses of spinal neurones in the model of OA pain, but not in control rats, indicating a novel spinal role of this target. We further demonstrate dynamic changes in spinal CB2 receptor mRNA and protein expression in an OA pain model. The expression of CB2 receptor protein by both neurones and microglia in the spinal cord was significantly increased in the model of OA. Hallmarks of central sensitization, significant spinal astrogliosis and increases in activity of metalloproteases MMP-2 and MMP-9 in the spinal cord were evident in the model of OA pain. Systemic administration of JWH133 attenuated these markers of central sensitization, providing a neurobiological basis for analgesic effects of the CB2 receptor in this model of OA pain. Analysis of human spinal cord revealed a negative correlation between spinal cord CB2 receptor mRNA and macroscopic knee chondropathy. These data provide new clinically relevant evidence that joint damage and spinal CB2 receptor expression are correlated combined with converging pre-clinical evidence that activation of CB2 receptors inhibits central sensitization and its contribution to the manifestation of chronic OA pain. These findings suggest that targeting CB2 receptors may have therapeutic potential for treating OA pain.
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Affiliation(s)
- James J. Burston
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, United Kingdom
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Devi Rani Sagar
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, United Kingdom
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Pin Shao
- Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Mingfeng Bai
- Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America
| | - Emma King
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Louis Brailsford
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Jenna M. Turner
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Gareth J. Hathway
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Andrew J. Bennett
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - David A. Walsh
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, United Kingdom
| | - David A. Kendall
- School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Aron Lichtman
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia, United States of America
| | - Victoria Chapman
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, United Kingdom
- * E-mail:
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