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Maruyama T, Nakamae T, Kamei N, Morisako T, Nakao K, Farid F, Fukui H, Adachi N. Development of a novel animal model of lumbar vertebral endplate lesion by intervertebral disk injection of monosodium iodoacetate in rats. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2024; 33:2116-2128. [PMID: 38436876 DOI: 10.1007/s00586-024-08179-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 01/30/2024] [Accepted: 02/01/2024] [Indexed: 03/05/2024]
Abstract
PURPOSE Vertebral endplate lesions (EPLs) caused by severe disk degeneration are associated with low back pain. However, its pathophysiology remains unclear. In this study, we aimed to develop a vertebral EPL rat model mimicking severe intervertebral disk (IVD) degeneration by injecting monosodium iodoacetate (MIA) into the IVDs and evaluating it by assessing pain-related behavior, micro-computed tomography (CT) findings, and histological changes. METHODS MIA was injected into the L4-5 and L5-6 IVDs of Sprague-Dawley rats. Their behavior was examined by measuring the total distance traveled and the total number of rearing in an open square arena. Bone alterations and volume around the vertebral endplate were assessed using micro-CT. Safranin-O staining, immunohistochemistry, and tartrate-resistant acid phosphatase (TRAP) staining were performed for histological assessment. RESULTS The total distance and number of rearing times in the open field were significantly reduced in a time-dependent manner. Micro-CT revealed intervertebral osteophytes and irregularities in the endplates at 12 weeks. The bone volume/tissue volume (BV/TV) around the endplates significantly increased from 6 weeks onward. Safranin-O staining revealed severe degeneration of IVDs and endplate disorders in a dose- and time-dependent manner. Calcitonin gene-related peptide-positive nerve fibers significantly increased from 6 weeks onward. However, the number of osteoclasts decreased over time. CONCLUSION Our rat EPL model showed progressive morphological vertebral endplate changes in a time- and concentration-dependent manner, similar to the degenerative changes in human IVDs. This model can be used as an animal model of severe IVD degeneration to better understand the pathophysiology of EPL.
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Affiliation(s)
- Toshiaki Maruyama
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
| | - Toshio Nakamae
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan.
| | - Naosuke Kamei
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
| | - Taiki Morisako
- Department of Orthopaedic Surgery, Miyoshi Central Hospital, Hiroshima, Japan
| | - Kazuto Nakao
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
| | - Fadlyansyah Farid
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
- Department of Orthopaedic and Traumatology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
| | - Hiroki Fukui
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-Ku, HiroshimaHiroshima, 734-8551, Japan
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Ye J, Xie D, Li X, Lu N, Zeng C, Lei G, Wei J, Li J. Phenotypes of osteoarthritis-related knee pain and their transition over time: data from the osteoarthritis initiative. BMC Musculoskelet Disord 2024; 25:173. [PMID: 38402384 PMCID: PMC10893610 DOI: 10.1186/s12891-024-07286-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 02/16/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Identification of knee osteoarthritis (OA) pain phenotypes, their transition patterns, and risk factors for worse phenotypes, may guide prognosis and targeted treatment; however, few studies have described them. We aimed to investigate different pain phenotypes, their transition patterns, and potential risk factors for worse pain phenotypes. METHODS Utilizing data from the Osteoarthritis Initiative (OAI), pain severity was assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain subscale. We identified the activity-related pain phenotypes and estimated the transition probabilities of pain phenotypes from baseline to the 24-month using latent transition analysis. We examined the risk factors at baseline with the 24-month pain phenotypes and the transition of pain phenotypes. RESULTS In 4796 participants, we identified four distinct knee pain phenotypes at both baseline and 24-month follow-up: no pain, mild pain during activity (Mild P-A), mild pain during both rest and activity (Mild P-R-A), and moderate pain during both rest and activity (Mod P-R-A). 82.9% knees with no pain at baseline stayed the same at 24-month follow-up, 17.1% progressed to worse pain phenotypes. Among "Mild P-A" at baseline, 32.0% converted to no-pain, 12.8% progressed to "Mild P-R-A", and 53.2% remained. Approximately 46.1% of "Mild P-R-A" and 54.5% of "Mod P-R-A" at baseline experienced remission by 24-month. Female, non-whites, participants with higher depression score, higher body mass index (BMI), higher Kellgren and Lawrence (KL) grade, and knee injury history were more likely to be in the worse pain phenotypes, while participants aged 65 years or older and with higher education were less likely to be in worse pain phenotypes at 24-month follow-up visit. Risk factors for greater transition probability to worse pain phenotypes at 24-month included being female, non-whites, participants with higher depression score, higher BMI, and higher KL grade. CONCLUSIONS We identified four distinct knee pain phenotypes. While the pain phenotypes remained stable in the majority of knees over 24 months period, substantial proportion of knees switched to different pain phenotypes. Several socio-demographics as well as radiographic lesions at baseline are associated with worse pain phenotypes at 24-month follow-up visit and transition of pain phenotypes.
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Affiliation(s)
- Jing Ye
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Dongxing Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoxiao Li
- Hunan Key Laboratory of Joint Degeneration and Injury, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
| | - Na Lu
- Arthritis Research Canada, Richmond, Canada
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jie Wei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment, Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, Changsha, China
| | - Jiatian Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.
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Zheng C, Wu Y, Xu J, Liu Y, Ma J. Exosomes from bone marrow mesenchymal stem cells ameliorate glucocorticoid-induced osteonecrosis of femoral head by transferring microRNA-210 into bone microvascular endothelial cells. J Orthop Surg Res 2023; 18:939. [PMID: 38062514 PMCID: PMC10704824 DOI: 10.1186/s13018-023-04440-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
OBJECTIVES Bone microvascular endothelial cells (BMECs) played an important role in the pathogenesis of glucocorticoid-induced osteonecrosis of femoral head (GCS-ONFH), and exosomes derived from bone marrow mesenchymal stem cells (BMSC-Exos) may provide an effective treatment. This study aimed to evaluate the effects of BMSC-Exos and internal microRNA-210-3p (miRNA-210) on GCS-ONFH in an in vitro hydrocortisone-induced BMECs injury model and an in vivo rat GCS-ONFH model. METHODS BMECs, BMSCs and BMSC-Exos were isolated and validated. BMECs after the treatment of hydrocortisone were cocultured with different concentrations of BMSC-Exos, then proliferation, migration, apoptosis and angiogenesis of BMECs were evaluated by CCK-8, Annexin V-FITC/PI, cell scratch and tube formation assays. BMSCs were transfected with miRNA-210 mimics and miRNA-210 inhibitors, then BMSC-ExosmiRNA-210 mimic and BMSC-ExosmiRNA-210 inhibitor secreted from such cells were collected. The differences between BMSC-Exos, BMSC-ExosmiRNA-210 mimic and BMSC-ExosmiRNA-210 inhibitor in protecting BMECs against GCS treatment were analyzed by methods mentioned above. Intramuscular injections of methylprednisolone were performed on Sprague-Dawley rats to establish an animal model of GCS-ONFH, then tail intravenous injections of BMSC-Exos, BMSC-ExosmiRNA-210 mimic or BMSC-ExosmiRNA-210 inhibitor were conducted after methylprednisolone injection. Histological and immunofluorescence staining and micro-CT were performed to evaluate the effects of BMSC-Exos and internal miRNA-210 on the in vivo GCS-ONFH model. RESULTS Different concentrations of BMSC-Exos, especially high concentration of BMSC-Exos, could enhance the proliferation, migration and angiogenesis ability and reduce the apoptosis rates of BMECs treated with GCS. Compared with BMSC-Exos, BMSC-ExosmiRNA-210 mimic could further enhance the proliferation, migration and angiogenesis ability and reduce the apoptosis rates of BMECs, while BMECs in the GCS + BMSC-ExosmiRNA-210 inhibitor group showed reduced proliferation, migration and angiogenesis ability and higher apoptosis rates. In the rat GCS-ONFH model, BMSC-Exos, especially BMSC-ExosmiRNA-210 mimic, could increase microvascular density and enhance bone remodeling of femoral heads. CONCLUSIONS BMSC-Exos containing miRNA-210 could serve as potential therapeutics for protecting BMECs and ameliorating the progression of GCS-ONFH.
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Affiliation(s)
- Che Zheng
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, 610041, People's Republic of China
- Department of Orthopedic Surgery, Chengdu Second People's Hospital, Chengdu, Sichuan Province, People's Republic of China
| | - Yuangang Wu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, 610041, People's Republic of China
| | - Jiawen Xu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, 610041, People's Republic of China
| | - Yuan Liu
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, 610041, People's Republic of China
| | - Jun Ma
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, 37# Guoxue Road, Chengdu, 610041, People's Republic of China.
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Galimberti G, Amodeo G, Magni G, Riboldi B, Balboni G, Onnis V, Ceruti S, Sacerdote P, Franchi S. Prokineticin System Is a Pharmacological Target to Counteract Pain and Its Comorbid Mood Alterations in an Osteoarthritis Murine Model. Cells 2023; 12:2255. [PMID: 37759478 PMCID: PMC10526764 DOI: 10.3390/cells12182255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Osteoarthritis (OA) is the most prevalent joint disease associated with chronic pain. OA pain is often accompanied by mood disorders. We addressed the role of the Prokineticin (PK) system in pain and mood alterations in a mice OA model induced with monosodium iodoacetate (MIA). The effect of a PK antagonist (PC1) was compared to that of diclofenac. C57BL/6J male mice injected with MIA in the knee joint were characterized by allodynia, motor deficits, and fatigue. Twenty-eight days after MIA, in the knee joint, we measured high mRNA of PK2 and its receptor PKR1, pro-inflammatory cytokines, and MMP13. At the same time, in the sciatic nerve and spinal cord, we found increased levels of PK2, PKR1, IL-1β, and IL-6. These changes were in the presence of high GFAP and CD11b mRNA in the sciatic nerve and GFAP in the spinal cord. OA mice were also characterized by anxiety, depression, and neuroinflammation in the prefrontal cortex and hippocampus. In both stations, we found increased pro-inflammatory cytokines. In addition, PK upregulation and reactive astrogliosis in the hippocampus and microglia reactivity in the prefrontal cortex were detected. PC1 reduced joint inflammation and neuroinflammation in PNS and CNS and counteracted OA pain and emotional disturbances.
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Affiliation(s)
- Giulia Galimberti
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Giada Amodeo
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Giulia Magni
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Benedetta Riboldi
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Gianfranco Balboni
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (G.B.); (V.O.)
| | - Valentina Onnis
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (G.B.); (V.O.)
| | - Stefania Ceruti
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Paola Sacerdote
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
| | - Silvia Franchi
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy; (G.G.); (G.A.); (G.M.); (B.R.); (S.C.); (P.S.)
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Gonçalves S, Hathway GJ, Woodhams SG, Chapman V, Bast T. No Evidence for Cognitive Impairment in an Experimental Rat Model of Knee Osteoarthritis and Associated Chronic Pain. THE JOURNAL OF PAIN 2023; 24:1478-1492. [PMID: 37044295 DOI: 10.1016/j.jpain.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/08/2023] [Accepted: 04/04/2023] [Indexed: 04/14/2023]
Abstract
Although chronic pain states have been associated with impaired cognitive functions, including memory and cognitive flexibility, the cognitive effects of osteoarthritis (OA) pain remain to be clarified. The aim of this study was to measure cognitive function in the mono-iodoacetate (MIA) rat model of chronic OA-like knee pain. We used young adult male Lister hooded rats, which are well-suited for cognitive testing. Rats received either a unilateral knee injection of MIA (3 mg/50 µL) or saline as control. Joint pain at rest was assessed for up to 12 weeks, using weight-bearing asymmetry, and referred pain at a distal site, using determination of hindpaw withdrawal thresholds. The watermaze delayed-matching-to-place test of rapid place learning, novel object recognition memory assay, and an operant response-shift and -reversal task were used to measure memory and behavioral flexibility. Open-field locomotor activity, startle response, and prepulse inhibition were also measured for comparison. MIA-injected rats showed markedly reduced weight-bearing on the injured limb, as well as pronounced cartilage damage and synovitis, but interestingly no changes in paw withdrawal threshold. Rearing was reduced, but otherwise, locomotor activity was normal and no changes in startle and prepulse inhibition were detected. MIA-injected rats had intact watermaze delayed-matching-to-place performance, suggesting no substantial change in hippocampal function, and there were no changes in novel object recognition memory or performance on the operant task of behavioral flexibility. Our finding that OA-like pain does not alter hippocampal function, unlike other chronic pain conditions, is consistent with human neuroimaging findings. PERSPECTIVE: Young adult rats with OA-like knee pain showed no impairments in hippocampal memory function and behavioral flexibility, suggesting that OA pain impacts cognitive functions less than other chronic pain conditions. In patients, OA pain may interact with other factors (e.g., age, socio-economic factors, and medication) to impair cognition.
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Affiliation(s)
- Sara Gonçalves
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; School of Life Sciences, Medical School, Queen's Medical Centre, Nottingham, United Kingdom
| | - Gareth J Hathway
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; School of Life Sciences, Medical School, Queen's Medical Centre, Nottingham, United Kingdom
| | - Stephen G Woodhams
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; School of Life Sciences, Medical School, Queen's Medical Centre, Nottingham, United Kingdom
| | - Victoria Chapman
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; School of Life Sciences, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom
| | - Tobias Bast
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; School of Psychology and Neuroscience at Nottingham, University of Nottingham, Nottingham, United Kingdom
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Kim SJ, Kim JE, Choe G, Song DH, Kim SJ, Kim TH, Yoo J, Kim SH, Jung Y. Self-assembled peptide-substance P hydrogels alleviate inflammation and ameliorate the cartilage regeneration in knee osteoarthritis. Biomater Res 2023; 27:40. [PMID: 37143133 PMCID: PMC10161637 DOI: 10.1186/s40824-023-00387-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/26/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Self-assembled peptide (SAP)-substance P (SP) hydrogels can be retained in the joint cavity longer than SP alone, and they can alleviate inflammation and ameliorate cartilage regeneration in knee osteoarthritis (OA). We conducted a preclinical study using diverse animal models of OA and an in vitro study using human synoviocytes and patient-derived synovial fluids to demonstrate the effect of SAP-SP complex on the inflammation and cartilage regeneration. METHODS Surgical induction OA model was prepared with New Zealand white female rabbits and chemical induction, and naturally occurring OA models were prepared using Dunkin Hartely female guinea pigs. The SAP-SP complex or control (SAP, SP, or saline) was injected into the joint cavities in each model. We performed micro-computed tomography (Micro-CT) analysis, histological evaluation, immunofluorescent analysis, and terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick-end labeling (TUNEL) assay and analyzed the recruitment of intrinsic mesenchymal stem cells (MSCs), macrophage activity, and inflammatory cytokine in each OA model. Human synoviocytes were cultured in synovial fluid extracted from human OA knee joints injected with SAP-SP complexes or other controls. Proliferative capacity and inflammatory cytokine levels were analyzed. RESULTS Alleviation of inflammation, inhibition of apoptosis, and enhancement of intrinsic MSCs have been established in the SAP-SP group in diverse animal models. Furthermore, the inflammatory effects on human samples were examined in synoviocytes and synovial fluid from patients with OA. In this study, we observed that SAP-SP showed anti-inflammatory action in OA conditions and increased cartilage regeneration by recruiting intrinsic MSCs, inhibiting progression of OA. CONCLUSIONS These therapeutic effects have been validated in diverse OA models, including rabbits, Dunkin Hartley guinea pigs, and human synoviocytes. Therefore, we propose that SAP-SP may be an effective injectable therapeutic agent for treating OA. In this manuscript, we report a preclinical study of novel self-assembled peptide (SAP)-substance P (SP) hydrogels with diverse animal models and human synoviocytes and it displays anti-inflammatory effects, apoptosis inhibition, intrinsic mesenchymal stem cells recruitments and cartilage regeneration.
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Affiliation(s)
- Sang Jun Kim
- Department of Physical and Rehabilitation Medicine, Seoul Jun Rehabilitation Clinic and Research Center, Seoul, Republic of Korea
- Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea
| | - Ji Eun Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Goeun Choe
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Da Hyun Song
- Department of Physical and Rehabilitation Medicine, Seoul Jun Rehabilitation Clinic and Research Center, Seoul, Republic of Korea
| | - Sun Jeong Kim
- Stem Cell Institute, ENCell Co. Ltd, Seoul, Republic of Korea
- Cell and Gene Therapy Institute, Samsung Medical Center, Seoul, Republic of Korea
| | - Tae Hee Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Jin Yoo
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
| | - Soo Hyun Kim
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, Republic of Korea
| | - Youngmee Jung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea.
- School of Electrical and Electronic Engineering, YU-KIST Institute, Yonsei University, Seoul, Republic of Korea.
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Liu Y, Zeng Y, Si HB, Tang L, Xie HQ, Shen B. Exosomes Derived From Human Urine-Derived Stem Cells Overexpressing miR-140-5p Alleviate Knee Osteoarthritis Through Downregulation of VEGFA in a Rat Model. Am J Sports Med 2022; 50:1088-1105. [PMID: 35179989 DOI: 10.1177/03635465221073991] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Knee osteoarthritis (KOA) is one of the most common chronic musculoskeletal disorders worldwide, for which exosomes derived from stem cells may provide an effective treatment. PURPOSE To assess the effect of exosomes derived from human urine-derived stem cells (hUSCs) overexpressing miR-140-5p (miR means microRNA) on KOA in an in vitro interleukin 1β (IL-1β)-induced osteoarthritis (OA) model and an in vivo rat KOA model. STUDY DESIGN Controlled laboratory study. METHODS Exosomes derived from hUSCs (hUSC-Exos) were isolated and validated. The hUSCs were transfected with miR-140s using lentivirus, and exosomes secreted from such cells (hUSC-140-Exos) were collected. The roles of hUSC-Exos and hUSC-140-Exos in protecting chondrocytes against IL-1β treatment were compared by analyzing the proliferation, migration, apoptosis, and secretion of extracellular matrix (ECM) in chondrocytes. After vascular endothelial growth factor A (VEGFA) was identified as a target of miR-140, the mechanism by which VEGFA can mediate the beneficial effect of miR-140 on OA was investigated using small interfering RNA transfection or chemical drugs. The expression of VEGFA in cartilage and synovial fluid from patients with KOA was measured and compared with that of healthy controls. Surgery for anterior cruciate ligament transection and destabilization of the medial meniscus were performed on the knee joints of Sprague-Dawley rats to establish an animal model of OA, and intra-articular (IA) injection of hUSC-Exos or hUSC-140-Exos was conducted at 4 to 8 weeks after the surgery. Cartilage regeneration and subchondral bone remodeling were evaluated through histological staining and micro-computed tomography analysis. RESULTS Proliferation and migration ability were enhanced and apoptosis was inhibited in chondrocytes treated with IL-1β via hUSC-Exos, with the side effect of decreased ECM secretion. hUSC-140-Exos not only retained the advantages of hUSC-Exos but also increased the secretion of ECM by targeting VEGFA, including collagen II and aggrecan. Increased expression of VEGFA during the progression of KOA was also confirmed in cartilage and synovial fluid samples obtained from patients with OA. In the rat OA model, IA injection of hUSC-140-Exos enhanced cartilage regeneration and subchondral bone remodeling. CONCLUSION Our results demonstrated the superiority of hUSC-Exos overexpressing miR-140-5p for treating OA compared with the hUSC-Exos. The effect of hUSC-140-Exos for suppressing the progression of KOA is in part mediated by VEGFA. CLINICAL RELEVANCE Exosomes derived from stem cells may provide a promising treatment for KOA, and our study can advance the related basic research.
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Affiliation(s)
- Yuan Liu
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.,Laboratory of Stem Cell and Tissue Engineering, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yi Zeng
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hai-Bo Si
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Li Tang
- Laboratory of Stem Cell and Tissue Engineering, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hui-Qi Xie
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China.,Laboratory of Stem Cell and Tissue Engineering, Med-X Center for Materials, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bin Shen
- Orthopedics Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Han FY, Brockman DA, Nicholson JR, Corradini L, Smith MT. Pharmacological characterization of the chronic phase of the monoiodoacetate-induced rat model of osteoarthritis pain in the knee joint. Clin Exp Pharmacol Physiol 2021; 48:1515-1522. [PMID: 34275162 DOI: 10.1111/1440-1681.13551] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 11/27/2022]
Abstract
For patients with osteoarthritis (OA) of the knee, pain is the most debilitating symptom. Although it has been proposed that the chronic phase of the monoiodoacetate (MIA)-induced rodent model of knee joint pain may be superior to other chronic or acute OA models for assessing the analgesic efficacy of novel molecules, relatively few pharmacological studies have been conducted in the chronic phase of this model. Hence, this study was designed to use pharmacological methods to characterize the chronic phase of the MIA-induced rat model of knee joint OA pain. Rats received a single intraarticular injection of MIA at 2.5 mg or vehicle (saline) into the left (ipsilateral) knee joint. Pain behaviour was assessed by measuring paw withdrawal thresholds (PWTs) in the hindpaws pre-MIA injection and twice-weekly until study completion on day 42. Mechanical allodynia was fully developed in the ipsilateral hindpaws (PWTs ≤6 g) from day 7 and it persisted until day 42. MIA-injected rats with PWTs ≤6 g in the ipsilateral hindpaws received single doses of one of four clinically available drugs that represent four distinct pharmacological classes, viz gabapentin, amitriptyline, meloxicam and morphine, according to a 'washout' protocol with at least 48 hours between successive doses. Gabapentin evoked dose-dependent anti-allodynia as did morphine whereas amitriptyline and meloxicam were inactive. Our findings are aligned with clinical data showing that gabapentin and morphine alleviated OA pain in the knee. The lack of efficacy of amitriptyline is consistent with the loss of descending diffuse noxious inhibitory controls reported by others in this model.
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Affiliation(s)
- Felicity Y Han
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - David A Brockman
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
| | | | - Laura Corradini
- Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Maree T Smith
- Faculty of Medicine, School of Biomedical Sciences, The University of Queensland, Brisbane, QLD, Australia
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9
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Cao F, Chen Y, Wang X, Wu LM, Tian M, Li HY, Si HB, Shen B. Therapeutic effect and potential mechanisms of intra-articular injections of miR-140-5p on early-stage osteoarthritis in rats. Int Immunopharmacol 2021; 96:107786. [PMID: 34162150 DOI: 10.1016/j.intimp.2021.107786] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/29/2021] [Accepted: 05/12/2021] [Indexed: 02/08/2023]
Abstract
MicroRNAs (miRs) receive extensive attention in osteoarthritis (OA) pathogenesis in recent years, and our previous study confirmed that an intra-articular injection (IAJ) of miR-140-5p alleviates early-stage OA (EOA) progression in rats. This study aims to investigate the therapeutic effect and potential mechanisms of single IAJ (SIAJ) of miR-140-5p on different stage OA and multiple IAJs (MIAJ) of miR-140-5p on EOA. Firstly, the OA model was surgically induced in rats, nine were treated with IAJ of Cy5-miR-140-5p at one week after surgery, and fluorescence distribution was analyzed at different times. Then, 72 rats were treated with SIAJ of miR-140-5p at different stages or MIAJ of miR-140-5p at one week after surgery, and OA progression was evaluated macroscopically and histologically at different times. Finally, the downstream targets and underlying molecular mechanisms of miR-140-5p were predicted by bioinformatics and partially validated. As a result, the intra-articularly injected miR-140-5p entered cartilage and could be taken up by chondrocytes rapidly. IAJ(s) of miR-140-5p improved the behavioral scores, chondrocyte number, cartilage thickness, and pathological scores to varying degrees. Specifically, the earlier a SIAJ of miR-140-5p was administrated, the better the therapeutic effect; meanwhile, MIAJ of miR-140-5p exhibited a better therapeutic effect than SIAJ on EOA. Eighty-four potential target genes and mechanisms of rno-miR-140-5p were predicted, and the effect of miR-140-5p on the potential target genes VEGFA and JAG1 was experimentally validated. Collectively, IAJs of miR-140-5p effectively alleviate EOA progression by modulating multiple biological processes and pathways in rats, representing a promising therapeutic for EOA.
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Affiliation(s)
- Fei Cao
- Orthopedic Research Institute & Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China; Department of Orthopedics, Chengdu First People's Hospital, Chengdu 610041, China
| | - Yang Chen
- Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xing Wang
- Orthopedic Research Institute & Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Li-Min Wu
- Orthopedic Research Institute & Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Mei Tian
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Han-Yu Li
- Clinical Medicine of Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou 646000, China
| | - Hai-Bo Si
- Orthopedic Research Institute & Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Bin Shen
- Orthopedic Research Institute & Department of Orthopedics, West China Hospital, Sichuan University, Chengdu 610041, China.
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10
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Diester CM, Santos EJ, Moerke MJ, Negus SS. Behavioral Battery for Testing Candidate Analgesics in Mice. I. Validation with Positive and Negative Controls. J Pharmacol Exp Ther 2021; 377:232-241. [PMID: 33622770 DOI: 10.1124/jpet.120.000464] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 02/22/2021] [Indexed: 12/12/2022] Open
Abstract
This study evaluated a battery of pain-stimulated, pain-depressed, and pain-independent behaviors for preclinical pharmacological assessment of candidate analgesics in mice. Intraperitoneal injection of dilute lactic acid (IP acid) served as an acute visceral noxious stimulus to produce four pain-related behaviors in male and female ICR mice: stimulation of 1) stretching, 2) facial grimace, 3) depression of rearing, and 4) depression of nesting. Additionally, nesting and locomotion in the absence of the noxious stimulus were used to assess pain-independent drug effects. These six behaviors were used to compare effects of two mechanistically distinct but clinically effective positive controls (ketoprofen and oxycodone) and two negative controls that are not clinically approved as analgesics but produce either general motor depression (diazepam) or motor stimulation (amphetamine). We predicted that analgesics would alleviate all IP acid effects at doses that did not alter pain-independent behaviors, whereas negative controls would not. Consistent with this prediction, ketoprofen (0.1-32 mg/kg) produced the expected analgesic profile, whereas oxycodone (0.32-3.2 mg/kg) alleviated all IP acid effects except depression of rearing at doses lower than those that altered pain-independent behaviors. For the negative controls, diazepam (1-10 mg/kg) failed to block IP acid-induced depression of either rearing or nesting and only decreased IP acid-stimulated behaviors at doses that also decreased pain-independent behaviors. Amphetamine (0.32-3.2 mg/kg) alleviated all IP acid effects but only at doses that also stimulated locomotion. These results support utility of this model as a framework to evaluate candidate-analgesic effects in a battery of complementary pain-stimulated, pain-depressed, and pain-independent behavioral endpoints. SIGNIFICANCE STATEMENT: Preclinical assays of pain and analgesia often yield false-positive effects with candidate analgesics. This study used two positive-control analgesics (ketoprofen, oxycodone) and two active negative controls (diazepam, amphetamine) to validate a strategy for distinguishing analgesics from nonanalgesics by profiling drug effects in a battery of complementary pain-stimulated, pain-depressed, and pain-independent behaviors in male and female mice.
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Affiliation(s)
- C M Diester
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - E J Santos
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - M J Moerke
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia, USA
| | - S S Negus
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, Virginia, USA
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11
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Xing D, Wang K, Wu J, Zhao Y, Liu W, Li JJ, Gao T, Yan D, Wang L, Hao J, Lin J. Clinical-Grade Human Embryonic Stem Cell-Derived Mesenchymal Stromal Cells Ameliorate the Progression of Osteoarthritis in a Rat Model. Molecules 2021; 26:molecules26030604. [PMID: 33498966 PMCID: PMC7865331 DOI: 10.3390/molecules26030604] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 01/15/2023] Open
Abstract
Mesenchymalstem cell (MSC)-based therapy is being increasingly explored in preclinical and clinical studies as a regenerative method for treating osteoarthritis (OA). However, the use of primary MSCs is hampered by a number of limitations, including donor heterogeneity and inconsistent cell quality. Here, we tested the therapeutic potential of embryonic stem cell-derived MSCs (ES-MSCs) in anOA rat model. ES-MSCs were generated and identified by morphology, trilineage differentiation and flow cytometry. Sprague Dawley rats were treated with either a single dose (106 cells/rat) of ES-MSCs or with three doses spaced one week apart for each dose, starting at four weeks after anterior cruciate ligament transectionto induce OA. Cartilage quality was evaluated at 6 and 10 weeks after treatment with behavioral analysis, macroscopic examination, and histology. At sixweeks after treatment, the groups treated with both single and repeated doses of ES-MSCs had significantly better modified Mankin scores and International Cartilage Repair Society (ICRS) macroscopic scores in the femoral condyle compared to the control group. At 10 weeks after treatment, the repeated doses group had a significantly better ICRS macroscopic scores in the femoral condyle compared to the single dose and control groups. Histological analysis also showed more proteoglycan and less cartilage loss, along with lower Mankin scores in the repeated doses group. In conclusion, treatment with multiple injections of ES-MSCs can ameliorate OA in a rat model. TheES-MSCs have potential to be considered as a regenerative therapy for OA, and can provide an infinite cellular source.
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Affiliation(s)
- Dan Xing
- Arthritis Clinic & Research Center, Peking University People’s Hospital, Peking University, Beijing 100044, China; (D.X.); (K.W.); (Y.Z.)
- Arthritis Institute, Peking University, Beijing 100044, China
| | - Kai Wang
- Arthritis Clinic & Research Center, Peking University People’s Hospital, Peking University, Beijing 100044, China; (D.X.); (K.W.); (Y.Z.)
- Arthritis Institute, Peking University, Beijing 100044, China
| | - Jun Wu
- National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; (J.W.); (T.G.); (D.Y.); (L.W.)
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Yu Zhao
- Arthritis Clinic & Research Center, Peking University People’s Hospital, Peking University, Beijing 100044, China; (D.X.); (K.W.); (Y.Z.)
- Arthritis Institute, Peking University, Beijing 100044, China
| | - Wei Liu
- Department of Biomedical Engineering, School of Medicine, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Tsinghua University, Beijing 100084, China;
| | - Jiao Jiao Li
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW 2007, Australia;
| | - Tingting Gao
- National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; (J.W.); (T.G.); (D.Y.); (L.W.)
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
| | - Deng Yan
- National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; (J.W.); (T.G.); (D.Y.); (L.W.)
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
| | - Liu Wang
- National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; (J.W.); (T.G.); (D.Y.); (L.W.)
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Hao
- National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing 100190, China; (J.W.); (T.G.); (D.Y.); (L.W.)
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
- Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
- Savaid Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
- Correspondence: (J.H.); (J.L.)
| | - Jianhao Lin
- Arthritis Clinic & Research Center, Peking University People’s Hospital, Peking University, Beijing 100044, China; (D.X.); (K.W.); (Y.Z.)
- Arthritis Institute, Peking University, Beijing 100044, China
- Correspondence: (J.H.); (J.L.)
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12
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Takeshita N, Oe T, Kiso T, Kakimoto S. A K Ca3.1 Channel Opener, ASP0819, Modulates Nociceptive Signal Processing from Peripheral Nerves in Fibromyalgia-Like Pain in Rats. J Pain Res 2021; 14:23-34. [PMID: 33469353 PMCID: PMC7811477 DOI: 10.2147/jpr.s274563] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/20/2020] [Indexed: 11/23/2022] Open
Abstract
Purpose Although abnormal peripheral and central pain processing has been observed in fibromyalgia (FM) patients, the biomechanics and pathophysiology, surrounding the peripheral mechanism are not well understood. An intermediate conductance channel, KCa3.1, is expressed in peripheral sensory nerve fibers where it maintains the resting membrane potential and controls nerve firing, making it a plausible target for peripheral therapeutic interventions. ASP0819, a KCa3.1 channel opener, is an orally available molecular entity and is used in this investigation to elucidate the role of KCa3.1 in signal processing of pain in FM. Methods Human or rat KCa3.1 channel-expressing cells were used for evaluating the main action of the compound. Effects of the compound on withdrawal behavior by mechanical stimulation were examined in reserpine-induced myalgia (RIM) and vagotomy-induced myalgia (VIM) models of rats. In addition, in vivo electrophysiological analysis was performed to examine the peripheral mechanisms of action of the compound. Other pain models were also examined. Results ASP0819 increased the negative membrane potential in a concentration-dependent manner. Oral administration of ASP0819 significantly recovered the decrease in muscle pressure threshold in rat FM models of RIM and VIM. The in vivo electrophysiological experiments showed that Aδ- and C-fibers innervating the leg muscles in the RIM model demonstrated increased spontaneous and mechanically evoked firing compared with normal rats. Intravenous infusion of ASP0819 significantly reduced both the spontaneous activity and mechanically evoked responses in Aδ-fibers in the rat RIM model. ASP0819 significantly reduced the number of abdominal contractions as an indicator of abdominal pain behaviors in the rat visceral extension model and withdrawal responses in the osteoarthritis model, respectively. Conclusion These findings suggest that ASP0819 may be a promising analgesic agent with the ability to modulate peripheral pain signal transmission. Its use in the treatment of several pain conditions should be explored, chief amongst these being FM pain.
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Affiliation(s)
| | - Tomoya Oe
- Drug Discovery Research, Astellas Pharma Inc, Ibaraki, Japan
| | - Tetsuo Kiso
- Drug Discovery Research, Astellas Pharma Inc, Ibaraki, Japan
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13
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Yamada EF, Dos Santos Stein C, Moresco RN, Bobinski F, Palandi J, Fernandes PF, Folmer V, da Silva MD. Photobiomodulation and Sida tuberculata combination declines the inflammation's markers in knee-induced osteoarthritis. Lasers Med Sci 2021; 37:193-204. [PMID: 33417067 DOI: 10.1007/s10103-020-03207-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 11/19/2020] [Indexed: 12/13/2022]
Abstract
The aim of this study was to assess potential combination effects of photobiomodulation therapy (PBMT) with Sida tuberculata extracts on the oxidative stress and antioxidant activity, as well as on the inflammatory process. Rats with knee osteoarthritis (OA) were treated with S. tuberculata extracts and PBMT (904 nm, 18 J/cm2). The animals were evaluated for nociception and edema. The blood, knee lavage and structures, spinal cord, and brainstem were collected for biochemical analyses (lipid peroxidation, protein carbonyl content, superoxide dismutase activity, non-protein thiol levels, and measurement of nitrite/nitrate). The knee structures were also used to measure cytokine levels. PBMT lowered the damage due to oxidative stress in the knee and at distant sites from the lesion. PBMT also reduced the levels of nitric oxide and cytokines, which could explain the nociception reduction mechanism. Similarly, S. tuberculata decreased the damage by oxidative stress, levels of nitrite/nitrate, and cytokines. The therapy combination reduced levels of cytokines and nitrite/nitrate. PBMT and S. tuberculata extracts reduced the oxidative stress and inflammation. It is noteworthy that PBMT increased the antioxidant activity in the knee and at sites distant from the lesion, contributing to a more significant decrease in nociception. The combination of therapies did not present significant effects on the analyzed parameters. Therefore, it is suggested that PBM is sufficient to minimize the signs and symptoms of the knee OA in our rat model.
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Affiliation(s)
- Eloá Ferreira Yamada
- Graduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), BR 472, Km 585, Uruguaiana, RS, 97501-970, Brazil.
| | - Carolina Dos Santos Stein
- Laboratory of Clinical Biochemistry, Department of Clinical and Toxicological Analyses, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, 97105-900, Brazil
| | - Rafael Noal Moresco
- Laboratory of Clinical Biochemistry, Department of Clinical and Toxicological Analyses, Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, 97105-900, Brazil
| | - Franciane Bobinski
- Graduate Program in Health Sciences, Laboratory of Experimental Neuroscience (LaNEx), Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, 88137-272, Brazil
| | - Juliete Palandi
- Graduate Program in Health Sciences, Laboratory of Experimental Neuroscience (LaNEx), Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, 88137-272, Brazil.,Laboratory of Experimentation in Neuropathology (LEN), Graduate Program in Neuroscience, Biochemistry Department, Biological Sciences Center, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC, 88040-900, Brazil
| | - Paula Franson Fernandes
- Graduate Program in Health Sciences, Laboratory of Experimental Neuroscience (LaNEx), Universidade do Sul de Santa Catarina (UNISUL), Palhoça, SC, 88137-272, Brazil
| | - Vanderlei Folmer
- Graduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), BR 472, Km 585, Uruguaiana, RS, 97501-970, Brazil
| | - Morgana Duarte da Silva
- Graduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), BR 472, Km 585, Uruguaiana, RS, 97501-970, Brazil
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14
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Pain-related behavior is associated with increased joint innervation, ipsilateral dorsal horn gliosis, and dorsal root ganglia activating transcription factor 3 expression in a rat ankle joint model of osteoarthritis. Pain Rep 2020; 5:e846. [PMID: 33490841 PMCID: PMC7808682 DOI: 10.1097/pr9.0000000000000846] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 06/18/2020] [Accepted: 07/17/2020] [Indexed: 12/02/2022] Open
Abstract
Supplemental Digital Content is Available in the Text. In a rat model of osteoarthritis, we found increased joint sensory and sympathetic innervation and glia changes in dorsal horn, accompanying pain-related behavior onset. Introduction: Osteoarthritis (OA)-associated pain is often poorly managed, as our understanding of the underlying pain mechanisms remains limited. The known variability from patient to patient in pain control could be a consequence of a neuropathic component in OA. Methods: We used a rat monoiodoacetate model of the ankle joint to study the time-course of the development of pain-related behavior and pathological changes in the joint, dorsal root ganglia (DRG), and spinal cord, and to investigate drug treatments effects. Results: Mechanical hypersensitivity and loss of mobility (as assessed by treadmill) were detected from 4 weeks after monoiodoacetate. Cold allodynia was detected from 5 weeks. Using histology and x-ray microtomography, we confirmed significant cartilage and bone degeneration at 5 and 10 weeks. We detected increased nociceptive peptidergic and sympathetic fiber innervation in the subchondral bone and synovium at 5 and 10 weeks. Sympathetic blockade at 5 weeks reduced pain-related behavior. At 5 weeks, we observed, ipsilaterally only, DRG neurons expressing anti-activating transcription factor 3, a neuronal stress marker. In the spinal cord, there was microgliosis at 5 and 10 weeks, and astrocytosis at 10 weeks only. Inhibition of glia at 5 weeks with minocycline and fluorocitrate alleviated mechanical allodynia. Conclusion: Besides a detailed time-course of pathology in this OA model, we show evidence of contributions of the sympathetic nervous system and dorsal horn glia to pain mechanisms. In addition, late activating transcription factor 3 expression in the DRG that coincides with these changes provides evidence in support of a neuropathic component in OA pain.
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15
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Xing D, Wu J, Wang B, Liu W, Liu W, Zhao Y, Wang L, Li JJ, Liu A, Zhou Q, Hao J, Lin J. Intra-articular delivery of umbilical cord-derived mesenchymal stem cells temporarily retard the progression of osteoarthritis in a rat model. Int J Rheum Dis 2020; 23:778-787. [PMID: 32319197 DOI: 10.1111/1756-185x.13834] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 02/27/2020] [Accepted: 03/05/2020] [Indexed: 12/21/2022]
Abstract
AIM Mesenchymal stem cell (MSC)-based therapy is being explored in treating osteoarthritis (OA). Human umbilical cord-derived mesenchymal stem cells (hUC-MSCs) are least reported. In this study, we investigated the effects of single intra-articular injections of hUC-MSCs on a rat OA model. METHOD hUC-MSCs were isolated from the Wharton's jelly of the human umbilical cord and identified. Eighteen Sprague-Dawley rats were used for the OA model. All rats were divided into 3 groups: hyaluronic acid (HA)+MSCs (n = 6), HA (n = 6), and control group (n = 6). One by 106 hUC-MSCs in 100 μL HA, 100 μL HA or 100 μL saline were injected into the knee joint 4 weeks post-surgery as a single dose. Cartilage degeneration was evaluated at 6 and 12 weeks after treatment with macroscopic examination, micro-computed tomography analysis, behavioral analysis, and histology. RESULTS At 6 weeks, the HA + MSCs group had a significantly better International Cartilage Repair Society score in the femoral condyle compared to the HA and control groups. Histological analysis also showed more proteoglycan and less cartilage loss, with lower modified Mankin score in the HA + MSCs group. However, at 12 weeks there were no significant differences between groups from macroscopic examination and histological analysis. Subchondral bone sclerosis of the medial femoral condyle and behavioral tests showed no significant differences between groups at 6 and 12 weeks. CONCLUSION These findings indicate that single injection of hUC-MSCs can have temporary effects on decelerating the progression of cartilage degeneration in OA rats, but may not inhibit OA progression in the long-term.
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Affiliation(s)
- Dan Xing
- Arthritis Clinic & Research Center, Peking University People's Hospital, Peking University, Beijing, China.,Arthritis Institute, Peking University, Beijing, China
| | - Jun Wu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Beijing Stem Cell Bank, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Bin Wang
- Department of Sports Medicine and Adult Reconstruction Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Wei Liu
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China.,Beijing CytoNiche Biotechnology Co. Ltd., Beijing, China
| | - Wenjing Liu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Beijing Stem Cell Bank, Chinese Academy of Sciences, Beijing, China
| | - Yu Zhao
- Arthritis Clinic & Research Center, Peking University People's Hospital, Peking University, Beijing, China.,Arthritis Institute, Peking University, Beijing, China
| | - Liu Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Beijing Stem Cell Bank, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Jiao Jiao Li
- Kolling Institute, University of Sydney, Sydney, NSW, Australia
| | - Aifeng Liu
- Department of Orthopedics, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qi Zhou
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Beijing Stem Cell Bank, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China
| | - Jie Hao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Beijing Stem Cell Bank, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Jianhao Lin
- Arthritis Clinic & Research Center, Peking University People's Hospital, Peking University, Beijing, China.,Arthritis Institute, Peking University, Beijing, China
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16
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González-Cano R, Montilla-García Á, Ruiz-Cantero MC, Bravo-Caparrós I, Tejada MÁ, Nieto FR, Cobos EJ. The search for translational pain outcomes to refine analgesic development: Where did we come from and where are we going? Neurosci Biobehav Rev 2020; 113:238-261. [PMID: 32147529 DOI: 10.1016/j.neubiorev.2020.03.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 02/06/2020] [Accepted: 03/04/2020] [Indexed: 12/11/2022]
Abstract
Pain measures traditionally used in rodents record mere reflexes evoked by sensory stimuli; the results thus may not fully reflect the human pain phenotype. Alterations in physical and emotional functioning, pain-depressed behaviors and facial pain expressions were recently proposed as additional pain outcomes to provide a more accurate measure of clinical pain in rodents, and hence to potentially enhance analgesic drug development. We aimed to review how preclinical pain assessment has evolved since the development of the tail flick test in 1941, with a particular focus on a critical analysis of some nonstandard pain outcomes, and a consideration of how sex differences may affect the performance of these pain surrogates. We tracked original research articles in Medline for the following periods: 1973-1977, 1983-1987, 1993-1997, 2003-2007, and 2014-2018. We identified 606 research articles about alternative surrogate pain measures, 473 of which were published between 2014 and 2018. This indicates that preclinical pain assessment is moving toward the use of these measures, which may soon become standard procedures in preclinical pain laboratories.
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Affiliation(s)
- Rafael González-Cano
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain.
| | - Ángeles Montilla-García
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain.
| | - M Carmen Ruiz-Cantero
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain.
| | - Inmaculada Bravo-Caparrós
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain.
| | - Miguel Á Tejada
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain; IMBA, Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna, Austria.
| | - Francisco R Nieto
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain.
| | - Enrique J Cobos
- Department of Pharmacology, Faculty of Medicine, University of Granada, Granada, Spain; Institute of Neuroscience, Biomedical Research Center, University of Granada, Armilla, Granada, Spain; Instituto de Investigación Biosanitaria ibs.GRANADA, Granada, Spain; Teófilo Hernando Institute for Drug Discovery, Madrid, Spain.
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17
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miR-140 Attenuates the Progression of Early-Stage Osteoarthritis by Retarding Chondrocyte Senescence. MOLECULAR THERAPY-NUCLEIC ACIDS 2019; 19:15-30. [PMID: 31790972 PMCID: PMC6909049 DOI: 10.1016/j.omtn.2019.10.032] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 09/01/2019] [Accepted: 10/25/2019] [Indexed: 02/05/2023]
Abstract
Osteoarthritis (OA) is a major cause of joint pain and disability, and chondrocyte senescence is a key pathological process in OA and may be a target of new therapeutics. MicroRNA-140 (miR-140) plays a protective role in OA, but little is known about its epigenetic effect on chondrocyte senescence. In this study, we first validated the features of chondrocyte senescence characterized by increased cell cycle arrest in the G0/G1 phase and the expression of senescence-associated β-galactosidase (SA-βGal), p16INK4a, p21, p53, and γH2AX in human knee OA. Then, we revealed in interleukin 1β (IL-1β)-induced OA chondrocytes in vitro that pretransfection with miR-140 effectively inhibited the expression of SA-βGal, p16INK4a, p21, p53, and γH2AX. Furthermore, in vivo results from trauma-induced early-stage OA rats showed that intra-articularly injected miR-140 could rapidly reach the chondrocyte cytoplasm and induce molecular changes similar to the in vitro results, resulting in a noticeable alleviation of OA progression. Finally, bioinformatics analysis predicted the potential targets of miR-140 and a mechanistic network by which miR-140 regulates chondrocyte senescence. Collectively, miR-140 can effectively attenuate the progression of early-stage OA by retarding chondrocyte senescence, contributing new evidence of the involvement of miR-mediated epigenetic regulation of chondrocyte senescence in OA pathogenesis.
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18
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Otis C, Guillot M, Moreau M, Pelletier JP, Beaudry F, Troncy E. Sensitivity of functional targeted neuropeptide evaluation in testing pregabalin analgesic efficacy in a rat model of osteoarthritis pain. Clin Exp Pharmacol Physiol 2019; 46:723-733. [PMID: 31046168 DOI: 10.1111/1440-1681.13100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 03/22/2019] [Accepted: 04/28/2019] [Indexed: 12/27/2022]
Abstract
The monosodium iodoacetate (MIA)-induced joint degeneration in rats is the most used animal model to screen analgesic drugs to alleviate osteoarthritis (OA) pain. This study aimed to evaluate the analgesic efficacy of pregabalin (PGB) in an MIA-induced OA model in rodents by using functional and neuroproteomic pain assessment methods. Treatment group included PGB in curative intent over 9 days compared to gold standard therapy (positive controls) and placebo (negative control). Functional assessments of pain (quantitative sensory testing and operant test) were performed concomitantly with spinal neuropeptides quantification. At day 21 post-OA induction, PGB in MIA rats reduced tactile allodynia (P = 0.028) and improved the place escape/avoidance behaviour (P = 0.04) compared to values recorded at last time-point before initiating analgesic therapy. All spinal neuropeptide concentrations, such as substance P, calcitonin gene-related peptide, bradykinin and somatostatin, came back to normal (non-affected) rat values, compared to their increase observed in MIA rats receiving the placebo (P < 0.0001). Initiated 13 days after chemical OA induction, repeated medication with PGB provided analgesia according to quantitative sensory testing, operant test and targeted neuropeptides pain assessment methods. This report highlights the interest of using reliable and sensitive methods like targeted neuropeptide quantification to detect the analgesic effects of a test article with concomitant functional assessments of pain when studying OA pain components.
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Affiliation(s)
- Colombe Otis
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada
| | - Martin Guillot
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Maxim Moreau
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Jean-Pierre Pelletier
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Francis Beaudry
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
| | - Eric Troncy
- Animal Pharmacology Research Group of Quebec (GREPAQ), Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, Quebec, Canada.,Osteoarthritis Research Unit, University of Montreal Hospital Research Center (CRCHUM), Montreal, Quebec, Canada
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19
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Yamada EF, Salgueiro AF, Goulart ADS, Mendes VP, Anjos BL, Folmer V, da Silva MD. Evaluation of monosodium iodoacetate dosage to induce knee osteoarthritis: Relation with oxidative stress and pain. Int J Rheum Dis 2018; 22:399-410. [PMID: 30585422 DOI: 10.1111/1756-185x.13450] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/23/2018] [Accepted: 11/08/2018] [Indexed: 12/25/2022]
Abstract
AIM To determine the dose of monosodium iodoacetate (MIA) required to induce oxidative stress, as well as pain and edema; to confirm the induction of knee osteoarthritis (OA) symptoms in rats by the presence of reactive oxygen species (ROS) and reduction of antioxidant agents; and to verify the presence of histopathological injury in these affected joints. METHOD Biological markers of oxidative stress, pain, knee edema, and cartilage degeneration provided by different doses of MIA (0.5; 1.0 or 1.5 mg) in rat knee joints were analyzed. The animal evaluations were conducted during 15 days for mechanical and cold hypersensitivity, spontaneous pain and edema. After that, blood serum, intra-articular lavage and structures of knee, spinal cord and brainstem were collected for biochemical analysis; moreover, the knees were removed for histological evaluation. RESULTS This study demonstrates that the highest dose of MIA (1.5 mg) increased the oxidative stress markers and reduced the antioxidant reactions, both in the focus of the lesion and in distant sites. MIA also induced the inflammatory process, characterized by pain, edema, increase in neutrophil count and articular damage. CONCLUSION This model provides a basis for the exploration of underlying mechanisms in OA and the identification of mechanisms that may guide therapy and the discovery of OA signals and symptoms.
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Affiliation(s)
- Eloá Ferreira Yamada
- Postgraduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
| | | | - Aline da Silva Goulart
- Postgraduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
| | - Vanessa Pereira Mendes
- Veterinary Pathology Laboratory, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
| | - Bruno Leite Anjos
- Veterinary Pathology Laboratory, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
| | - Vanderlei Folmer
- Postgraduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
| | - Morgana Duarte da Silva
- Postgraduate Program in Biochemistry, Universidade Federal do Pampa (Unipampa), Uruguaiana, Brazil
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20
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Aytekin K, Erhan SŞ, Erişgin Z, Esenyel CZ, Takır S. Intra-articular injection of hydrogen sulfide decreased the progression of gonarthrosis. Can J Physiol Pharmacol 2018; 97:47-54. [PMID: 30521368 DOI: 10.1139/cjpp-2018-0574] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hydrogen sulfide (H2S) is found in both the plasma and synovial fluid of patients with gonarthrosis. In the present study, we investigated whether intra-articular injection of sodium hydrosulfide (NaSH) (1 mM, 30 μL), a H2S donor, might affect gonarthrosis in rats. Gonarthrosis was induced surgically in the left knees of rats and left for 6 weeks for the development of disease. Then, intra-articular injections of NaSH or methylprednisolone (1 mg/kg, 30 μL) were administered to rats. Half of each group was sacrificed at the end of the first day and the other half was sacrificed at the end of 4 weeks to evaluate early and later effects of injections on gonarthrosis. The injury induced by anterior cruciate ligament resection and medial meniscectomy in rats caused the development of gonarthrosis. As the duration lengthened after gonarthrosis induction, the progression of the disease continued. According to the modified Mankin Scoring System, intra-articular injection of NaSH histopathologically slowed the progression of gonarthrosis, whereas methylprednisolone was ineffective. In addition, NaSH decreased apoptosis in rat knees with gonarthrosis. Each treatment did not cause injury to healthy knees. Our results lead to the consideration that intra-articular NaSH administration may be effective in the progression of gonarthrosis.
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Affiliation(s)
- Kürşad Aytekin
- a Department of Orthopedics and Traumatology, University of Giresun, Giresun, Turkey.,e Department of Anatomy, University of Giresun, Giresun, Turkey
| | - Selma Şengiz Erhan
- b Department of Pathology, Okmeydanı Research and Training Hospital, Istanbul, Turkey
| | - Züleyha Erişgin
- c Department of Histology and Embryology, University of Giresun, Giresun, Turkey
| | - Cem Zeki Esenyel
- a Department of Orthopedics and Traumatology, University of Giresun, Giresun, Turkey
| | - Selçuk Takır
- d Department of Pharmacology, University of Giresun, Giresun, Turkey
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21
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Standard analgesics reverse burrowing deficits in a rat CCI model of neuropathic pain, but not in models of type 1 and type 2 diabetes-induced neuropathic pain. Behav Brain Res 2018; 350:129-138. [DOI: 10.1016/j.bbr.2018.04.049] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/18/2018] [Accepted: 04/27/2018] [Indexed: 11/18/2022]
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22
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Nagakura Y. Giving priority to preclinical pain measures resistant to existing drugs for developing innovative analgesics. Drug Dev Res 2018; 79:147-156. [PMID: 29732584 DOI: 10.1002/ddr.21429] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 12/20/2022]
Abstract
Preclinical Research & Development Chronic pain is a major health and socioeconomic burden because of its high prevalence, negative influence on patients' physical and/or emotional conditions, and huge costs to society. The responses of chronic pain patients to analgesic therapies vary substantially from individual to individual, and no more than a minority of chronic pain patients with various etiologies such as neuropathy and inflammation are, in fact, successfully relieved by existing drugs including opioid analgesics, nonopioid analgesics, antiepileptics, and antidepressants. The large primary unmet medical need would therefore be the patient domain that does not respond well to existing drugs. Accordingly, the expected profile for innovative analgesics would not be efficacy in the responder patient domain, but significant efficacy in patients with existing drug-resistant chronic pain. Meanwhile, the current gold standard in preclinical pain measures for the screening of analgesic candidates is existing drug-sensitive pain measures in animal models of chronic pain. Analgesic candidates screened using such preclinical pain measures during the last decades have been far from fulfilling the expected profile for innovative analgesics. Given that it is unlikely that such existing drug-sensitive pain measures are the best approach to developing innovative analgesics, one of the other approaches would be giving priority to existing drug-resistant pain measures in preclinical research. This review introduces potentially applicable existing drug-resistant pain measures published so far and suggests that the use of them would lead to the development of innovative analgesics.
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Affiliation(s)
- Yukinori Nagakura
- Faculty of Pharmaceutical Sciences, Aomori University, 2-3-1 Kohbata, Aomori-shi, Aomori, 030-0943, Japan.,Center for Brain and Health Sciences, Aomori University, 109-1 Takama, Ishie, Aomori-shi, Aomori, 038-0003, Japan
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23
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Aborehab NM, El Bishbishy MH, Refaiy A, Waly NE. A putative Chondroprotective role for IL-1β and MPO in herbal treatment of experimental osteoarthritis. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:495. [PMID: 29166937 PMCID: PMC5700518 DOI: 10.1186/s12906-017-2002-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 11/14/2017] [Indexed: 01/11/2023]
Abstract
BACKGROUND Herbal treatment may have a chondroprotective and therapeutic effect on Osteoarthritis (OA). We investigated the mechanism of action of ginger and curcumin rhizomes cultivated in Egypt in treatment of OA in rat model. METHODS Thirty-five albino rats were intra-articularly injected with Monosodium Iodoacetate in the knee joint. Ginger and curcumin was orally administered at doses of 200 and 400 mg/kg (F200 and F400). Serum levels of cartilage oligomeric matrix protein (COMP), hyaluronic acid (HA), malondialdehyde (MDA), myeloperoxidase (MPO), Interleukin-1 beta (IL-1β) and superoxide dismutase activity (SOD) were measured using ELISA. The composition of the herbal formula hydro-ethanolic extract was characterized using UPLC-ESI-MS. Histopathological changes in injected joints was examined using routine histopathology. Statistical analysis was performed using one-way ANOVA. RESULTS Serum levels of COMP, HA, MPO, MDA, and IL-1β were significantly decreased in F 200, F 400 and V groups when compared to OA group (P value <0.0001). On the other hand SOD levels were significantly elevated in treated groups compared to OA groups (P value <0.0001). CONCLUSIONS The ginger/curcumin at 1:1 had chondroprotective effect via anti-inflammatory and antioxidant effect in rat OA model. Further pharmacological and clinical studies are needed to evaluate this effect.
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Affiliation(s)
- Nora M. Aborehab
- Department of Biochemistry, Faculty of Pharmacy, MSA University, Giza, 11787 Egypt
| | | | - Abeer Refaiy
- Department of Pathology Faculty of Medicine, Assiut University, Assiut, 71515 Egypt
| | - Nermien E. Waly
- Department of Physiology, Faculty of Medicine, Helwan University, Cairo, 11795, Egypt
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24
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Watabiki T, Tsuji N, Kiso T, Ozawa T, Narazaki F, Kakimoto S. In vitro and in vivo pharmacological characterization of ASP8477: A novel highly selective fatty acid amide hydrolase inhibitor. Eur J Pharmacol 2017; 815:42-48. [PMID: 29017758 DOI: 10.1016/j.ejphar.2017.10.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 09/03/2017] [Accepted: 10/04/2017] [Indexed: 12/20/2022]
Abstract
Although exogenous agonists for cannabinoid (CB) receptors are clinically effective for treating chronic pain, global activation of brain CB receptors causes frequent central nervous system (CNS) side-effects. Fatty acid amide hydrolase (FAAH) is a primary catabolic enzyme for anandamide (AEA), an endogenous CB. Recently, we discovered a novel FAAH inhibitor, 3-pyridyl 4-(phenylcarbamoyl)piperidine-1-carboxylate (ASP8477). In vitro studies demonstrated that ASP8477 inhibited human FAAH-1, FAAH-1 (P129T) and FAAH-2 activity with IC50 values of 3.99, 1.65 and 57.3nM, respectively. ASP8477 at 10µM had no appreciable interactions with 65 different kinds of receptors, ion channels, transporters and enzymes, including CB1 and CB2 receptors and monoacylglycerol lipase. In adolescent rats, orally administered ASP8477 (0.3-10mg/kg) elevated AEA concentrations in both plasma and brain. In a capsaicin-induced secondary hyperalgesia model, a pretreatment with ASP8477 significantly improved mechanical allodynia and thermal hyperalgesia at 0.3-3mg/kg p.o. ASP8477 also significantly improved mechanical allodynia in an L5/L6 spinal nerve ligation neuropathic pain model, with an ED50 value of 0.63mg/kg, and in a streptozotocin-induced diabetic neuropathy model at 3 and 10mg/kg p.o. Furthermore, ASP8477 significantly attenuated the reduction in rearing events at 1 and 3mg/kg p.o. in a monoiodoacetic acid-induced osteoarthritis model. Importantly, ASP8477 had no significant effect on motor coordination up to 30mg/kg p.o. These results indicate that ASP8477 is a potent, selective, and oral active FAAH inhibitor with activity in the CNS, with the potential to be a new analgesic agent with a wide safety margin.
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Affiliation(s)
- Tomonari Watabiki
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan.
| | - Noriko Tsuji
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan
| | - Tetsuo Kiso
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan
| | - Tohru Ozawa
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan
| | - Fumie Narazaki
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan
| | - Shuichiro Kakimoto
- Pharmacology Research Laboratories, Drug Discovery Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba-shi, Ibaraki 305-8585, Japan
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25
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Si HB, Zeng Y, Liu SY, Zhou ZK, Chen YN, Cheng JQ, Lu YR, Shen B. Intra-articular injection of microRNA-140 (miRNA-140) alleviates osteoarthritis (OA) progression by modulating extracellular matrix (ECM) homeostasis in rats. Osteoarthritis Cartilage 2017. [PMID: 28647469 DOI: 10.1016/j.joca.2017.06.002] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Disruptions of extracellular matrix (ECM) homeostasis are key events in the pathogenesis of osteoarthritis (OA). MicroRNA-140 (miRNA-140) is expressed specifically in cartilage and regulates ECM-degrading enzymes. Our objective in this study was to determine if intra-articular injection of miRNA-140 can attenuate OA progression in rats. DESIGN miRNA-140 levels in human normal and OA cartilage derived chondrocytes and synovial fluid were assessed by polymerase chain reaction (PCR). After primary human chondrocytes were transfected with miRNA-140 mimic or inhibitor, PCR and western blotting were performed to quantify Collagen II, MMP-13, and ADAMTS-5 expression. An OA model was induced surgically in rats, and subsequently treated with one single intra-articular injection of miRNA-140 agomir. At 4, 8, and 12 weeks after surgery, OA progression were evaluated macroscopically, histologically, and immunohistochemically in these rats. RESULTS miRNA-140 levels were significantly reduced in human OA cartilage derived chondrocytes and synovial fluid compared with normal chondrocytes and synovial fluid. Overexpressing miRNA-140 in primary human chondrocytes promoted Collagen II expression and inhibited MMP-13 and ADAMTS-5 expression. miRNA-140 levels in rat cartilage were significantly higher in the miRNA-140 agomir group than in the control group. Moreover, behavioural scores, chondrocyte numbers, cartilage thickness and Collagen II expression levels in cartilage were significantly higher, while pathological scores and MMP-13 and ADAMTS-5 expression levels were significantly lower in the miRNA-140 agomir group than in the control group. CONCLUSION Intra-articular injection of miRNA-140 can alleviate OA progression by modulating ECM homeostasis in rats, and may have potential as a new therapy for OA.
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Affiliation(s)
- H-B Si
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China; Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - Y Zeng
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.
| | - S-Y Liu
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - Z-K Zhou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.
| | - Y-N Chen
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - J-Q Cheng
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - Y-R Lu
- Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, China.
| | - B Shen
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.
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IL-10 and TGF-β: Roles in chondroprotective effects of Glucosamine in experimental Osteoarthritis? PATHOPHYSIOLOGY 2017; 24:45-49. [DOI: 10.1016/j.pathophys.2017.02.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 02/04/2017] [Accepted: 02/06/2017] [Indexed: 01/01/2023] Open
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27
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Kim JL, Moon CW, Son YS, Kim SJ. Combined Effect of Bilateral Ovariectomy and Anterior Cruciate Ligament Transection With Medial Meniscectomy on the Development of Osteoarthritis Model. Ann Rehabil Med 2016; 40:583-91. [PMID: 27606264 PMCID: PMC5012969 DOI: 10.5535/arm.2016.40.4.583] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 10/28/2015] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE To investigate the combined effect of bilateral ovariectomy (OVX) and anterior cruciate ligament transection (ACLT) with medial meniscectomy (MM) on the development of osteoarthritis (OA). METHODS Twenty female 15-week-old Sprague-Dawley rats were used. Five rats in each group underwent bilateral OVX (OVX group), bilateral ACLT with MM (ACLT with MM group), bilateral OVX plus ACLT with MM (OVX plus ACLT with MM group), and sham surgery (SHAM group). All the rats were subjected to treadmill running for 4 weeks. The behavioral evaluation for induction of OA used the number of rears method, and this was conducted at 1, 2, and 4 weeks post-surgery. Bone mineral density (BMD) was calculated with micro-computerized tomography images and the modified Mankin's scoring was used for the histological changes. RESULTS The number of rears in the OVX plus ACLT with MM group decreased gradually and more rapidly in the ACLT with MM group. Histologically, the OVX plus ACLT with MM group had a significantly higher modified Mankin's score than the OVX group (p=0.008) and the SHAM group (p=0.008). BMDs of the OVX plus ACLT with MM group were significantly lower than the SHAM group (p=0.002), and the ACLT with MM group (p=0.003). CONCLUSION We found that bilateral OVX plus ACLT with MM induced definite OA change in terms of histology and BMD compared to bilateral OVX and ACLT with MM alone. Therefore, OVX and ACLT with MM was an appropriate degenerative OA rat model.
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Affiliation(s)
- Jae Lim Kim
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Chang Won Moon
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Young Suk Son
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Sang Jun Kim
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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28
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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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Pharmacological characterization of intraplantar Complete Freund's Adjuvant-induced burrowing deficits. Behav Brain Res 2015; 301:142-51. [PMID: 26704218 DOI: 10.1016/j.bbr.2015.12.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Revised: 12/04/2015] [Accepted: 12/11/2015] [Indexed: 12/27/2022]
Abstract
BACKGROUND It has recently been suggested that non-reflex behavioral readouts, such as burrowing, may be used to evaluate the efficacy of analgesics in rodent models of pain. OBJECTIVE To confirm whether intraplantar Complete Freund's Adjuvant (CFA)-induced pain reliably results in burrowing deficits which can be ameliorated by clinically efficacious analgesics as previously suggested. METHODS Uni- or bilateral intraplantar CFA injections were performed in male Wistar Han rats. The time- and concentration-response of burrowing deficits and the ability of various analgesics to reinstate burrowing performance were studied. An anxiolytic was also tested to evaluate the motivational cue that drives this behavior. RESULTS Burrowing deficits were dependent on the concentration of CFA injected, most pronounced 24h after CFA injections and even more pronounced after bilateral compared with unilateral injections. Celecoxib and ibuprofen reversed CFA-induced burrowing deficits whereas indomethacin failed to significantly reinstate burrowing performance. Morphine and tramadol failed to reinstate burrowing performance, but sedation was observed in control rats at doses thought to be efficacious. An antibody directed against the nerve growth factor significantly improved CFA-induced burrowing deficits. Neither gabapentin nor the anxiolytic diazepam reinstated burrowing performance and the opportunity to find shelter did not modify burrowing performance. CONCLUSION Burrowing is an innate behavior reliably exhibited by rats. It is suppressed in a model of inflammatory pain and differently reinstated by clinically efficacious analgesics that lack motor impairing side effects, but not an anxiolytic, suggesting that this assay is suitable for the assessment of analgesic efficacy of novel drugs.
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Kim SJ, Kim JE, Kim SH, Kim SJ, Jeon SJ, Kim SH, Jung Y. Therapeutic effects of neuropeptide substance P coupled with self-assembled peptide nanofibers on the progression of osteoarthritis in a rat model. Biomaterials 2015; 74:119-30. [PMID: 26454050 DOI: 10.1016/j.biomaterials.2015.09.040] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 09/25/2015] [Accepted: 09/26/2015] [Indexed: 12/13/2022]
Abstract
Osteoarthritis (OA) is a progressively degenerative disease that is accompanied by articular cartilage deterioration, sclerosis of the underlying bone and ultimately joint destruction. Although therapeutic medicine and surgical treatment are done to alleviate the symptoms of OA, it is difficult to restore normal cartilage function. Mesenchymal stem cell (MSC) transplantation is one of the therapeutic trials for treating OA due to its potential, and many researchers have recently reported on the effects of MSCs associated with OA therapy. However, cell transplantation has limitations including low stem cell survival rates, limited stem cell sources and long-term ex vivo culturing. In this study, we evaluated the efficacy of neuropeptide substance P coupled with self-assembled peptide hydrogels in a rat knee model to prevent OA by mobilizing endogenous MSCs to the defect site. To assess the effect of the optimal concentration of SP, varying concentrations of bioactive peptides (substance P (SP) with self-assembled peptide (SAP)) were used to treat OA. OA was induced by unilateral anterior cruciate and medial collateral ligament transection of the knee joints. Forty rats were randomly allocated into 5 groups: SAP-0.5SP (17.5 μg of SP), SAP-SP group (35 μg of SP), SAP-2SP group (70 μg of SP), SAP-SP-MSC group, and control group. At 2 weeks post-surgical induction of OA, each mixture was injected into the joint cavity of the left knee. Histologic examination, immunofluorescence staining, quantitative real time-polymerase chain reaction and micro-computed tomography analysis were done at 6 weeks post-surgical induction. As shown by our results, the SAP-SP hydrogel accelerated tissue regeneration by anti-inflammatory modulation shown by an anti-inflammation test using dot-blot in vitro. Additionally, the treatment of OA in the SAP-SP group showed markedly improved cartilage regeneration through the recruitment of MSCs. Thus, these cells could be infiltrating into the defect site for the regeneration of OA defects. In addition, from the behavioral studies on the rats, the number of rears significantly increased 2 and 4 weeks post-injection in all the groups. Our results show that bioactive peptides may have clinical potential for inhibiting the progression of OA as well as its treatment by recruiting autologous stem cells without cell transplantation.
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Affiliation(s)
- Sang Jun Kim
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul 135-710, Republic of Korea.
| | - Ji Eun Kim
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea; NBIT, KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 136-701, Republic of Korea
| | - Su Hee Kim
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea; NBIT, KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 136-701, Republic of Korea
| | - Sun Jeong Kim
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul 135-710, Republic of Korea
| | - Su Jeong Jeon
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul 135-710, Republic of Korea
| | - Soo Hyun Kim
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea; NBIT, KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 136-701, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Daejeon 305-350, Republic of Korea
| | - Youngmee Jung
- Center for Biomaterials, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology (UST), Daejeon 305-350, Republic of Korea.
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31
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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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Hamilton CB, Pest MA, Pitelka V, Ratneswaran A, Beier F, Chesworth BM. Weight-bearing asymmetry and vertical activity differences in a rat model of post-traumatic knee osteoarthritis. Osteoarthritis Cartilage 2015; 23:1178-85. [PMID: 25771150 DOI: 10.1016/j.joca.2015.03.001] [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: 09/14/2014] [Revised: 02/17/2015] [Accepted: 03/03/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study used a rat model of post-traumatic knee osteoarthritis (OA) created by anterior cruciate ligament transection with partial medial meniscectomy (ACLT + pMMx). In this model, mild to moderate structural changes that are typical of knee OA have been observed within 2 and 8 weeks post-surgery. We aimed to determine whether pain-related behaviours can distinguish between an ACLT + pMMx and a sham surgery group. DESIGN Three-month old male Sprague-Dawley rats underwent ACLT + pMMx on their right hindlimb within two groups of n = 6 each, and sham surgery within two groups of n = 5 each. Assessments evaluated percent ipsilateral weight-bearing for static weight-bearing and 18 different variables of exploratory motor behaviour at multiple time points between 1 and 8 weeks post-surgery. Histology was performed on the right hindlimbs at 4 and 8 weeks post-surgery. RESULTS Histology confirmed mild to moderate knee OA changes in the ACLT + pMMx group and the absence of knee OA changes in the sham group. Compared to the sham group, the ACLT + pMMx group had significantly lower percent ipsilateral weight-bearing from 1 through 8 weeks post-surgery. Compared to the sham group, the ACLT + pMMx group had significantly lower vertical activity (episode count, time, and count) values. CONCLUSIONS These findings suggest that ipsilateral weight-bearing deficit and vertical activity limitations resulted from the presence of knee OA-like changes in this model. When using the ACLT + pMMx-induced rat model of knee OA, percent ipsilateral weight-bearing and vertical activity distinguished between rats with and without knee OA changes. These variables may be useful outcome measures in preclinical research performed with this experimental post-traumatic knee OA model.
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Affiliation(s)
- C B Hamilton
- Graduate Program in Health and Rehabilitation Sciences, Faculty of Health Sciences, University of Western Ontario, London, ON, Canada; Collaborative Graduate Program in Musculoskeletal Health Research, University of Western Ontario, London, ON, Canada.
| | - M A Pest
- Collaborative Graduate Program in Musculoskeletal Health Research, University of Western Ontario, London, ON, Canada; Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
| | - V Pitelka
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
| | - A Ratneswaran
- Collaborative Graduate Program in Musculoskeletal Health Research, University of Western Ontario, London, ON, Canada; Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
| | - F Beier
- Collaborative Graduate Program in Musculoskeletal Health Research, University of Western Ontario, London, ON, Canada; Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
| | - B M Chesworth
- Graduate Program in Health and Rehabilitation Sciences, Faculty of Health Sciences, University of Western Ontario, London, ON, Canada; Collaborative Graduate Program in Musculoskeletal Health Research, University of Western Ontario, London, ON, Canada; School of Physical Therapy, Faculty of Health Science Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, ON, Canada.
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33
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Zhu C, Bannon A, Joshi S. Complete Freund's adjuvant-induced reduction of exploratory activity in a novel environment as an objective nociceptive endpoint for sub-acute inflammatory pain model in rats. Eur J Pain 2015; 19:1527-36. [DOI: 10.1002/ejp.686] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2015] [Indexed: 01/06/2023]
Affiliation(s)
- C.Z. Zhu
- Neuroscience Research; Research and Development; AbbVie; North Chicago
| | - A.W. Bannon
- Neuroscience Research; Research and Development; AbbVie; North Chicago
| | - S.K. Joshi
- Neuroscience Research; Research and Development; AbbVie; North Chicago
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Trachtenberg JE, Vo TN, Mikos AG. Pre-clinical characterization of tissue engineering constructs for bone and cartilage regeneration. Ann Biomed Eng 2014; 43:681-96. [PMID: 25319726 DOI: 10.1007/s10439-014-1151-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 10/06/2014] [Indexed: 12/16/2022]
Abstract
Pre-clinical animal models play a crucial role in the translation of biomedical technologies from the bench top to the bedside. However, there is a need for improved techniques to evaluate implanted biomaterials within the host, including consideration of the care and ethics associated with animal studies, as well as the evaluation of host tissue repair in a clinically relevant manner. This review discusses non-invasive, quantitative, and real-time techniques for evaluating host-materials interactions, quality and rate of neotissue formation, and functional outcomes of implanted biomaterials for bone and cartilage tissue engineering. Specifically, a comparison will be presented for pre-clinical animal models, histological scoring systems, and non-invasive imaging modalities. Additionally, novel technologies to track delivered cells and growth factors will be discussed, including methods to directly correlate their release with tissue growth.
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Affiliation(s)
- Jordan E Trachtenberg
- Department of Bioengineering, Rice University, MS 142, P.O. Box 1892, Houston, TX, 77251-1892, USA
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35
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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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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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Kim JE, Lee SM, Kim SH, Tatman P, Gee AO, Kim DH, Lee KE, Jung Y, Kim SJ. Effect of self-assembled peptide-mesenchymal stem cell complex on the progression of osteoarthritis in a rat model. Int J Nanomedicine 2014; 9 Suppl 1:141-57. [PMID: 24872709 PMCID: PMC4024982 DOI: 10.2147/ijn.s54114] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
PURPOSE To evaluate the efficacy of mesenchymal stem cells (MSCs) encapsulated in self-assembled peptide (SAP) hydrogels in a rat knee model for the prevention of osteoarthritis (OA) progression. MATERIALS AND METHODS Nanostructured KLD-12 SAPs were used as the injectable hydrogels. Thirty-three Sprague Dawley rats were used for the OA model. Ten rats were used for the evaluation of biotin-tagged SAP disappearance. Twenty-three rats were divided into four groups: MSC (n=6), SAP (n=6), SAP-MSC (n=6), and no treatment (n=5). MSCs, SAPs, and SAP-MSCs were injected into the knee joints 3 weeks postsurgery. Histologic examination, immunofluorescent staining, measurement of cytokine levels, and micro-computed tomography analysis were conducted 6 weeks after injections. Behavioral studies were done to establish baseline measurements before treatment, and repeated 3 and 6 weeks after treatment to measure the efficacy of SAP-MSCs. RESULTS Concentration of biotinylated SAP at week 1 was not significantly different from those at week 3 and week 6 (P=0.565). Bone mineral density was significantly lower in SAP-MSC groups than controls (P=0.002). Significant differences in terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick-end labeling staining between the control group and all other groups were observed. Caspase-8, tissue inhibitor of metalloproteinases 1, and matrix metalloproteinase 9 were diffusely stained in controls, whereas localized or minimal staining was observed in other groups. Modified Mankin scores were significantly lower in the SAP and SAP-MSC groups than in controls (P=0.001 and 0.013). Although not statistically significant, synovial inflammation scores were lower in the SAP (1.3±0.3) and SAP-MSC (1.3±0.2) groups than in controls (2.6±0.2). However, neither the cytokine level nor the behavioral score was significantly different between groups. CONCLUSION Injection of SAP-MSC hydrogels showed evidence of chondroprotection, as measured by the histologic grading and decreased expression of biochemical markers of inflammation and apoptosis. It also lowered subchondral bone mineral density, which can be increased by OA. This suggests that the SAP-MSC complex may have clinical potential to inhibit OA progression.
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Affiliation(s)
- Ji Eun Kim
- Biomaterials Research Center, Korea Institute of Science and Technology, Seoul, South Korea
| | - Sang Mok Lee
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, South Korea
| | - Soo Hyun Kim
- Biomaterials Research Center, Korea Institute of Science and Technology, Seoul, South Korea
| | - Phil Tatman
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Albert O Gee
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, WA, USA
| | - Deok-Ho Kim
- Department of Bioengineering, University of Washington, Seattle, WA, USA ; Institute for Stem Cell and Regenerative Medicine and Center for Cardiovascular Biology, University of Washington, Seattle, WA, USA
| | - Kyung Eun Lee
- Advanced Analysis Center, Korea Institute of Science and Technology, Seoul, South Korea
| | - Youngmee Jung
- Biomaterials Research Center, Korea Institute of Science and Technology, Seoul, South Korea
| | - Sang Jun Kim
- Department of Physical and Rehabilitation Medicine, Samsung Medical Center, Seoul, South Korea
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Sensory-motor behavioral characterization of an animal model of Maroteaux-Lamy syndrome (or Mucopolysaccharidosis VI). Sci Rep 2014; 4:3644. [PMID: 24407717 PMCID: PMC3887390 DOI: 10.1038/srep03644] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 12/09/2013] [Indexed: 12/19/2022] Open
Abstract
Maroteaux-Lamy disease, also known as mucopolysaccharidosis (MPS) VI, is an MPS disorder caused by mutations in the ARSB gene encoding for the lysosomal enzyme arysulfatase B (ARSB). Deficient ARSB activity leads to lysosomal accumulation of dermatan sulfate in a wide range of tissues and organs. There are various animal models of MPS VI that have been well characterized from a biochemical and morphological point of view. In this study, we report the sensory-motor characterization of MPS VI rats carrying homozygous null ARSB mutations. We show that adult MPS VI rats are specifically impaired in vertical activity and motor endurance. All together, these data are consistent with biochemical findings that show a major impairment in connective tissues, such as joints and bones. The behavioral abnormalities of MPS VI rats represent fundamental endpoints for studies aimed at testing the pre-clinical safety and efficacy of novel therapeutic approaches for MPS VI.
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Cobos EJ, Portillo-Salido E. "Bedside-to-Bench" Behavioral Outcomes in Animal Models of Pain: Beyond the Evaluation of Reflexes. Curr Neuropharmacol 2014; 11:560-91. [PMID: 24396334 PMCID: PMC3849784 DOI: 10.2174/1570159x113119990041] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Revised: 04/05/2013] [Accepted: 05/24/2013] [Indexed: 12/21/2022] Open
Abstract
Despite the myriad promising new targets and candidate analgesics recently identified in preclinical pain studies, little translation to novel pain medications has been generated. The pain phenotype in humans involves complex behavioral alterations, including changes in daily living activities and psychological disturbances. These behavioral changes are not reflected by the outcome measures traditionally used in rodents for preclinical pain testing, which are based on reflexes evoked by sensory stimuli of different types (mechanical, thermal or chemical). These measures do not evaluate the impact of the pain experience on the global behavior or disability of the animals, and therefore only consider a limited aspect of the pain phenotype. The development of relevant new outcomes indicative of pain to increase the validity of animal models of pain has been increasingly pursued over the past few years. The aim has been to translate “bedside-to-bench” outcomes from the human pain phenotype to rodents, in order to complement traditional pain outcomes by providing a closer and more realistic measure of clinical pain in rodents. This review summarizes and discusses the most important nonstandard outcomes for pain assessment in preclinical studies. The advantages and drawbacks of these techniques are considered, and their potential impact on the validation of potential analgesics is evaluated.
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Affiliation(s)
- Enrique J Cobos
- Department of Pharmacology, School of Medicine, University of Granada, Avenida de Madrid 11, 18012 Granada
| | - Enrique Portillo-Salido
- Drug Discovery and Preclinical Development, Esteve, Avenida Mare de Déu de Montserrat 221, 08041 Barcelona, Spain
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40
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Malfait AM, Little CB, McDougall JJ. A commentary on modelling osteoarthritis pain in small animals. Osteoarthritis Cartilage 2013; 21:1316-26. [PMID: 23973146 PMCID: PMC3903124 DOI: 10.1016/j.joca.2013.06.003] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Revised: 05/23/2013] [Accepted: 06/05/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To describe the currently used animal models for the study of osteoarthritis (OA) pain, with an emphasis on small animals (predominantly mice and rats). OUTLINE Narrative review summarizing the opportunities and limitations of the most commonly used small animal models for the study of pain and pain pathways associated with OA, and discussing currently used methods for pain assessment. Involvement of neural degeneration in OA is briefly discussed. A list of considerations when studying pain-related behaviours and pathways in animal models of OA is proposed. CONCLUSIONS Animal models offer great potential to unravel the complex pathophysiology of OA pain, its molecular and temporal regulation. They constitute a critical pathway for developing and testing disease-specific symptom-modifying therapeutic interventions. However, a number of issues remain to be resolved in order to standardize pre-clinical OA pain research and to optimize translation to clinical trials and patient therapies.
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Affiliation(s)
- Anne-Marie Malfait
- Department of Medicine, Section of Rheumatology, and Department of Biochemistry, Rush University Medical Center, Chicago IL, To whom correspondence should be addressed
| | - Christopher B. Little
- Raymond Purves Bone and Joint Research Laboratories, Kolling Institute of Medical Research, Institute of Bone and Joint Research, University of Sydney at Royal North Shore Hospital, St Leonards, NSW 2065, Australia
| | - Jason J. McDougall
- Departments of Pharmacology and Anaesthesia, Pain Management & Perioperative Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
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41
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Choline, an alpha7 nicotinic acetylcholine receptor agonist, alleviates hyperalgesia in a rat osteoarthritis model. Neurosci Lett 2013; 548:291-5. [PMID: 23769729 DOI: 10.1016/j.neulet.2013.05.073] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 05/22/2013] [Accepted: 05/23/2013] [Indexed: 11/22/2022]
Abstract
It has been suggested that activation of alpha7 nicotinic acetylcholine receptors (α7nAChR) could alleviate acute and chronic pain in various abnormal pain models. However, it is unclear whether the stimulation of α7nAChRs has anti-hyperalgesic effects on osteoarthritis. Therefore, we tested whether choline, an α7nAChR agonist, could alleviate chronic inflammatory pain in an osteoarthritis model. Osteoarthritis was induced by injection of monoiodoacetic acid (MIA) into the synovial cavity of the knee joints in rats. Pain was assessed by responses to stimuli on the plantar surface: paw withdrawal threshold (PWT) by up-down methods using a series of von Frey filaments, and paw withdrawal latency (PWL) using radiation heat. Both PWT and PWL decreased after MIA injection, indicating development of mechanical and thermal hyperalgesia. Subsequent intraperitoneal choline injection increased both PWT and PWL. PWT increased in response to choline injections (5-50 mg/Kg) in a dose dependent manner. PWL increased significantly in a similar fashion in response to choline (20 and 50 mg/Kg). However, intraarticular injection of choline did not result in any change in PWT or PWL. Intrathecal choline increased PWT and PWL. The anti-hyperalgesic effect of intraperitoneal choline was completely blocked by methyllycaconitine when it was injected intrathecally 10 min before the choline treatment. These results show that choline could alleviate mechanical and heat hyperalgesia via spinal α7nAChR in the MIA-induced inflammation pain model.
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42
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Longo UG, Loppini M, Fumo C, Rizzello G, Khan WS, Maffulli N, Denaro V. Osteoarthritis: new insights in animal models. Open Orthop J 2012; 6:558-63. [PMID: 23248728 PMCID: PMC3522504 DOI: 10.2174/1874325001206010558] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2012] [Revised: 09/14/2012] [Accepted: 09/23/2012] [Indexed: 11/22/2022] Open
Abstract
Osteoarthritis (OA) is the most frequent and symptomatic health problem in the middle-aged and elderly population, with over one-half of all people over the age of 65 showing radiographic changes in painful knees. The aim of the present study was to perform an overview on the available animal models used in the research field on the OA. Discrepancies between the animal models and the human disease are present. As regards human 'idiopathic' OA, with late onset and slow progression, it is perhaps wise not to be overly enthusiastic about animal models that show severe chondrodysplasia and very early OA. Advantage by using genetically engineered mouse models, in comparison with other surgically induced models, is that molecular etiology is known. Find potential molecular markers for the onset of the disease and pay attention to the role of gender and environmental factors should be very helpful in the study of mice that acquire premature OA. Surgically induced destabilization of joint is the most widely used induction method. These models allow the temporal control of disease induction and follow predictable progression of the disease. In animals, ACL transection and meniscectomy show a speed of onset and severity of disease higher than in humans after same injury.
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Affiliation(s)
- Umile Giuseppe Longo
- Department of Orthopaedic and Trauma Surgery. Campus Bio-Medico University, Via Alvaro del Portillo, 200, 00128 Trigoria, Rome, Italy ; Centro Integrato di Ricerca (CIR) Campus Bio-Medico University, Via Alvaro del Portillo, 21, 00128, Rome, Italy
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43
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Abstract
The European ban on battery cages has forced a change towards the use of non-cage or furnished cage systems, but unexpectedly this has been associated with an increased prevalence of keel bone fractures in laying hens. Bone fractures are acutely painful in mammals, but the effect of fractures on bird welfare is unclear. We recently reported that keel bone fractures have an effect on bird mobility. One possible explanation for this is that flying becomes mechanically impaired. However it is also possible that if birds have a capacity to feel pain, then ongoing pain resulting from the fracture could contribute to decreased mobility. The aim was to provide proof of concept that administration of appropriate analgesic drugs improves mobility in birds with keel fracture; thereby contributing to the debate about the capacity of birds to experience pain and whether fractures are associated with pain in laying hens. In hens with keel fractures, butorphanol decreased the latency to land from perches compared with latencies recorded for these hens following saline (mean (SEM) landing time (seconds) birds with keel fractures treated with butorphanol and saline from the 50, 100 and 150 cm perch heights respectively 1.7 (0.3), 2.2 (0.3), p = 0.05, 50 cm; 12.5 (6.6), 16.9 (6.7), p = 0.03, 100 cm; 20.6 (7.4), 26.3 (7.6), p = 0.02 150 cm). Mobility indices were largely unchanged in birds without keel fractures following butorphanol. Critically, butorphanol can be considered analgesic in our study because it improved the ability of birds to perform a complex behaviour that requires both motivation and higher cognitive processing. This is the first study to provide a solid evidential base that birds with keel fractures experience pain, a finding that has significant implications for the welfare of laying hens that are housed in non-cage or furnished caged systems.
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Lee JH, Chun KJ, Kim HS, Kim SH, Han P, Jun Y, Lim D. Alteration patterns of trabecular bone microarchitectural characteristics induced by osteoarthritis over time. Clin Interv Aging 2012; 7:303-12. [PMID: 22956865 PMCID: PMC3426264 DOI: 10.2147/cia.s32513] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Information regarding the alteration of trabecular bone microarchitecture, which is one of the important criteria to estimate bone condition, induced by osteoarthritis (OA) is sparse. The current study therefore aimed to identify and quantify patterns of alterations in trabecular bone microarchitectural characteristics at tibial epiphysis induced by OA using in vivo microcomputed tomography. Fourteen 8-week-old female Sprague Dawley rats were randomly divided into control (n = 7) and OA (n = 7) groups. Rats in the OA group were administered monoiodoacetate into the knee-joint cavity. The tibial joints were scanned by in vivo microcomputed tomography at 0, 4, and 8 weeks after administration. Two-way analysis of variance with Tukey’s honestly significant difference post hoc test was carried out for statistical analyses. The results showed that patterns of alterations in the trabecular bone microarchitectural characteristics in the OA group were not different from those in the control group from 0 to 4 weeks (P > 0.05), but differed from 4 to 8 weeks (P < 0.05). In particular, both trabecular bone thickness and trabecular bone separation distributions over time (4–8 weeks) differed significantly (P < 0.05). These findings suggest that the patterns of bone microarchitecture changes brought about by OA should be periodically considered in the diagnosis and management of arthritic symptoms over time. Improved understanding of the alteration pattern on trabecular bone microarchitecture may assist in developing more targeted treatment interventions for OA.
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Affiliation(s)
- Joo Hyung Lee
- Department of Mechanical Engineering, Sejong University, Seoul, South Korea
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