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Oláh T, Cucchiarini M, Madry H. Temporal progression of subchondral bone alterations in OA models involving induction of compromised meniscus integrity in mice and rats: A scoping review. Osteoarthritis Cartilage 2024; 32:1220-1234. [PMID: 38876436 DOI: 10.1016/j.joca.2024.06.002] [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: 01/17/2024] [Revised: 05/17/2024] [Accepted: 06/06/2024] [Indexed: 06/16/2024]
Abstract
OBJECTIVE To categorize the temporal progression of subchondral bone alterations induced by compromising meniscus integrity in mouse and rat models of knee osteoarthritis (OA). METHOD Scoping review of investigations reporting subchondral bone changes with appropriate negative controls in the different mouse and rat models of OA induced by compromising meniscus integrity. RESULTS The available literature provides appropriate temporal detail on subchondral changes in these models, covering the entire spectrum of OA with an emphasis on early and mid-term time points. Microstructural changes of the subarticular spongiosa are comprehensively described; those of the subchondral bone plate are not. In mouse models, global subchondral bone alterations are unidirectional, involving an advancing sclerosis of the trabecular structure over time. In rats, biphasic subchondral bone alterations begin with an osteopenic degeneration and loss of subchondral trabeculae, progressing to a late sclerosis of the entire subchondral bone. Rat models, independently from the applied technique, relatively faithfully mirror the early bone loss detected in larger animals, and the late subchondral bone sclerosis observed in human advanced OA. CONCLUSION Mice and rats allow us to study the microstructural consequences of compromising meniscus integrity at high temporal detail. Thickening of the subchondral bone plate, an early loss of thinner subarticular trabecular elements, followed by a subsequent sclerosis of the entire subchondral bone are all important and reliable hallmarks that occur in parallel with the advancing articular cartilage degeneration. Thoughtful decisions on the study design, laterality, selection of controls and volumes of interest are crucial to obtain meaningful data.
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Affiliation(s)
- Tamás Oláh
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany; Department of Physiology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary.
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany.
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University, Homburg, Germany.
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Da W, Chen Q, Shen B. The current insights of mitochondrial hormesis in the occurrence and treatment of bone and cartilage degeneration. Biol Res 2024; 57:37. [PMID: 38824571 PMCID: PMC11143644 DOI: 10.1186/s40659-024-00494-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 04/03/2024] [Indexed: 06/03/2024] Open
Abstract
It is widely acknowledged that aging, mitochondrial dysfunction, and cellular phenotypic abnormalities are intricately associated with the degeneration of bone and cartilage. Consequently, gaining a comprehensive understanding of the regulatory patterns governing mitochondrial function and its underlying mechanisms holds promise for mitigating the progression of osteoarthritis, intervertebral disc degeneration, and osteoporosis. Mitochondrial hormesis, referred to as mitohormesis, represents a cellular adaptive stress response mechanism wherein mitochondria restore homeostasis and augment resistance capabilities against stimuli by generating reactive oxygen species (ROS), orchestrating unfolded protein reactions (UPRmt), inducing mitochondrial-derived peptides (MDP), instigating mitochondrial dynamic changes, and activating mitophagy, all prompted by low doses of stressors. The varying nature, intensity, and duration of stimulus sources elicit divergent degrees of mitochondrial stress responses, subsequently activating one or more signaling pathways to initiate mitohormesis. This review focuses specifically on the effector molecules and regulatory networks associated with mitohormesis, while also scrutinizing extant mechanisms of mitochondrial dysfunction contributing to bone and cartilage degeneration through oxidative stress damage. Additionally, it underscores the potential of mechanical stimulation, intermittent dietary restrictions, hypoxic preconditioning, and low-dose toxic compounds to trigger mitohormesis, thereby alleviating bone and cartilage degeneration.
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Affiliation(s)
- Wacili Da
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Quan Chen
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Bin Shen
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
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Li X, Chen W, Liu D, Chen P, Wang S, Li F, Chen Q, Lv S, Li F, Chen C, Guo S, Yuan W, Li P, Hu Z. Pathological progression of osteoarthritis: a perspective on subchondral bone. Front Med 2024; 18:237-257. [PMID: 38619691 DOI: 10.1007/s11684-024-1061-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/17/2024] [Indexed: 04/16/2024]
Abstract
Osteoarthritis (OA) is a degenerative bone disease associated with aging. The rising global aging population has led to a surge in OA cases, thereby imposing a significant socioeconomic burden. Researchers have been keenly investigating the mechanisms underlying OA. Previous studies have suggested that the disease starts with synovial inflammation and hyperplasia, advancing toward cartilage degradation. Ultimately, subchondral-bone collapse, sclerosis, and osteophyte formation occur. This progression is deemed as "top to bottom." However, recent research is challenging this perspective by indicating that initial changes occur in subchondral bone, precipitating cartilage breakdown. In this review, we elucidate the epidemiology of OA and present an in-depth overview of the subchondral bone's physiological state, functions, and the varied pathological shifts during OA progression. We also introduce the role of multifunctional signal pathways (including osteoprotegerin (OPG)/receptor activator of nuclear factor-kappa B ligand (RANKL)/receptor activator of nuclear factor-kappa B (RANK), and chemokine (CXC motif) ligand 12 (CXCL12)/CXC motif chemokine receptor 4 (CXCR4)) in the pathology of subchondral bone and their role in the "bottom-up" progression of OA. Using vivid pattern maps and clinical images, this review highlights the crucial role of subchondral bone in driving OA progression, illuminating its interplay with the condition.
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Affiliation(s)
- Xuefei Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Wenhua Chen
- Research and Development Center of Chinese Medicine Resources and Biotechnology, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Dan Liu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Pinghua Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Shiyun Wang
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Fangfang Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Qian Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Shunyi Lv
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Fangyu Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Chen Chen
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Suxia Guo
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Weina Yuan
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Pan Li
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
| | - Zhijun Hu
- Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
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Wazzani R, Bourzac C, Elhafci H, Germain P, Ahmaidi S, Pallu S, Jaffré C, Portier H. Comparative effects of various running exercise modalities on femoral bone quality in rats. Eur J Appl Physiol 2024; 124:761-773. [PMID: 37690048 DOI: 10.1007/s00421-023-05293-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/31/2023] [Indexed: 09/12/2023]
Abstract
BACKGROUND It is now well established that physical exercise is an effective preventive method to reduce and treat certain chronic diseases, particularly musculoskeletal disorders. At the bone level, running exercise is well known for its positive effects on various parameters of bone quality. There is, however, no consensus regarding the effects of different running exercise modalities on bone quality. AIM The objective of this study was to compare the effects of three treadmill running modalities: intermittent, moderate continuous, and a combination of both-on bone quality parameters in rats. METHODS Thirty-nine, 5-week-old, male Wistar rats were randomly divided in 4 groups: sedentary control (SED; n = 10), intermittent running exercise (IE; n = 10), continuous running exercise (CE; n = 10) and combined running exercise (COME; n = 9). Rats in running groups were exercised 45 min/day, 5 days/week, for 8 consecutive weeks. Femoral micro-architectural parameters were assessed by micro-CT; femoral osteocyte apoptosis, osteoclast resorption and bone histomorphometry were assessed by histology. RESULTS Femoral trabecular thickness in the combined running group was increased (p < 0.0001) compared to respective results in the other running groups (0.13 mm vs 0.11 mm). The cortical thickness, osteocyte lacunae occupancy rate in the whole femur, numbers of apoptotic osteocytes and osteoclastic resorption surfaces were not significantly different between groups. Statistical differences were occasionally noted depending on the femoral anatomical region. CONCLUSION These results suggest that the femur should not be considered as the better bone to study the effects of running protocols.
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Affiliation(s)
- Rkia Wazzani
- Laboratory APERE, University de Picardie Jules Verne, Avenue Paul Claudel, 80000, Amiens, France
| | - Céline Bourzac
- B3OA Laboratory, CNRS 7052, INSERM 1271, University of Paris, 10 Avenue de Verdun, 75010, Paris, France
- Plateforme de recherche biomédicale, Ecole Nationale Vétérinaire d'Alfort, 94700, Maisons-Alfort, France
| | - Hanane Elhafci
- B3OA Laboratory, CNRS 7052, INSERM 1271, University of Paris, 10 Avenue de Verdun, 75010, Paris, France
| | - Philippe Germain
- Research Group Sport, Physical Activity, Rehabilitation and Movement for Performance and Health, University of Orleans, 45067, Orléans, France
- Centre de Biophysique Moléculaire (CBM), UPR CNRS 4301, Université d'Orléans, Rue Charles Sandron, CS 80054, 45071, Orléans, France
| | - Said Ahmaidi
- Laboratory APERE, University de Picardie Jules Verne, Avenue Paul Claudel, 80000, Amiens, France
| | - Stéphane Pallu
- B3OA Laboratory, CNRS 7052, INSERM 1271, University of Paris, 10 Avenue de Verdun, 75010, Paris, France
- Research Group Sport, Physical Activity, Rehabilitation and Movement for Performance and Health, University of Orleans, 45067, Orléans, France
| | - Christelle Jaffré
- Laboratory APERE, University de Picardie Jules Verne, Avenue Paul Claudel, 80000, Amiens, France
| | - Hugues Portier
- B3OA Laboratory, CNRS 7052, INSERM 1271, University of Paris, 10 Avenue de Verdun, 75010, Paris, France.
- Research Group Sport, Physical Activity, Rehabilitation and Movement for Performance and Health, University of Orleans, 45067, Orléans, France.
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Menges S, Kleinschmidt-Dörr K, Brenneis C. Enlarged colony housing promotes linear progression of subchondral bone remodeling in joint instability rat models. Front Physiol 2024; 14:1232416. [PMID: 38260097 PMCID: PMC10800552 DOI: 10.3389/fphys.2023.1232416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 12/20/2023] [Indexed: 01/24/2024] Open
Abstract
Objective: Osteoarthritis (OA) is a disease with high prevalence and an unmet medical need for disease modifying treatments. In rat models, OA-like subchondral bone and cartilage changes can be induced by instability surgery with different severity levels. Factors which determine structural changes additionally comprise the study duration and activity-impacted joint loading. Methods: A medial meniscal tear (MMT) or anterior cruciate ligament transection with partial meniscectomy (ACLT+pMx) was induced unilaterally in rats housed in a rat colony cage (RCC), allowing high activity levels including jumping and stair climbing. In parallel, ACLT+pMx rats were housed in Type IV cages. The time course of OA-related changes was investigated at 4, 8, 12, and 16 weeks after surgery by micro-CT, gait analysis and joint diameter measurements. Results: Gait disturbance was observed after 2 weeks and to a similar extend in all models. The increase in ipsilateral joint diameters peaked after 2 weeks and were more pronounced after ACLT+pMx compared to MMT-surgery, but independent of housing. Micro-CT analysis revealed that increases in osseous tibial width were most distinct after ACLT+pMx in RCC and progressed continuously until week sixteen. In contrast, osseous tibial width of ipsilateral joints in MMT RCC and ACLT+pMx Type IV groups did not increase further after week twelve. In contralateral joints, this parameter was not affected, regardless of the model or caging. However, a significant increase in bone volume fraction and trabecular thickness was observed over time in the femur and tibia of both ipsilateral and contralateral knees. Here, the medial tibial compartment of the operated joint was most affected and linear changes were most pronounced in the ACLT+pMx RCC group. Conclusion: Increased movement of animals in colony cages leads to robust structural changes in subchondral bone after surgically induced joint instability over time, while in regular Type IV housing maximal changes are reached in week twelve. The new insights into the differentiation of the models, particularly with respect to the linear progression of bone changes in ACLT+pMx in the RCC, may be useful for the design of chronic OA-studies within a longer lifespan and therefore supporting the development of novel therapies.
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Lv R, Du L, Bai L. RNF125, transcriptionally regulated by NFATC2, alleviates osteoarthritis via inhibiting the Wnt/β-catenin signaling pathway through degrading TRIM14. Int Immunopharmacol 2023; 125:111191. [PMID: 37951197 DOI: 10.1016/j.intimp.2023.111191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/13/2023]
Abstract
Osteoarthritis (OA) is a chronic joint disease characterized by the progressive degradation of articular cartilage. In this study, as determined by histological staining, the cartilage surface of the OA rats was damaged, defective and broken, and chondrocytes and proteoglycan were reduced. While moderate physical exercise showed protective effects on the cartilage. Besides, RNA-seq was performed to select a target protein and RNF125 (an E3 ubiquitin ligase) was decreased in the cartilage tissues of OA rats and increased after physiological exercise. However, the precise role of RNF125 in OA is still unknown. This work aimed to investigate the involvement and underlying mechanism of RNF125 in OA pathogenesis. Our results defined that adenovirus-mediated overexpression of RNF125 inhibited the degradation of extracellular matrix of chondrocytes induced by IL-1β, as revealed by increased chondrocyte viability, upregulated COL2A1 and ACAN levels, and downregulated MMP1, MMP13 and ADAMTS5 levels, which was abrogated by NR4A2 knockdown. In vivo, RNF125 relieved OA, manifested as reduced cartilage injury and increased chondrocytes. Mechanically, NFATC2 bound to the RNF125 promoter and directly regulated RNF125 transcription, as illustrated by luciferase reporter, Ch-IP and DNA pull-down assays. Furthermore, RNF125 overexpression inhibited the nuclear translocation of β-catenin, thus suppressing activation of the Wnt/β-catenin signaling pathway. Also, RNF125 as E3 ubiquitin ligase led to the ubiquitination and degradation of TRIM14 protein, and TRIM14 overexpression efficiently reversed the effects of RNF125 overexpression on OA progression. Totally, this study provides new insights into OA pathogenesis regulated by RNF125. RNF125 may be a novel biomarker for OA therapy.
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Affiliation(s)
- Runxiao Lv
- Department of Rehabilitation Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, PR China
| | - Lili Du
- Department of Pathophysiology, College of Basic Medical Science, China Medical University, Shenyang, Liaoning Province, PR China
| | - Lunhao Bai
- Department of Rehabilitation Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning Province, PR China.
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Otis C, Bouet E, Keita-Alassane S, Frezier M, Delsart A, Guillot M, Bédard A, Pelletier JP, Martel-Pelletier J, Lussier B, Beaudry F, Troncy E. Face and Predictive Validity of MI-RAT ( Montreal Induction of Rat Arthritis Testing), a Surgical Model of Osteoarthritis Pain in Rodents Combined with Calibrated Exercise. Int J Mol Sci 2023; 24:16341. [PMID: 38003530 PMCID: PMC10671647 DOI: 10.3390/ijms242216341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/02/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
Validating animal pain models is crucial to enhancing translational research and response to pharmacological treatment. This study investigated the effects of a calibrated slight exercise protocol alone or combined with multimodal analgesia on sensory sensitivity, neuroproteomics, and joint structural components in the MI-RAT model. Joint instability was induced surgically on day (D) 0 in female rats (N = 48) distributed into sedentary-placebo, exercise-placebo, sedentary-positive analgesic (PA), and exercise-PA groups. Daily analgesic treatment (D3-D56) included pregabalin and carprofen. Quantitative sensory testing was achieved temporally (D-1, D7, D21, D56), while cartilage alteration (modified Mankin's score (mMs)) and targeted spinal pain neuropeptide were quantified upon sacrifice. Compared with the sedentary-placebo (presenting allodynia from D7), the exercise-placebo group showed an increase in sensitivity threshold (p < 0.04 on D7, D21, and D56). PA treatment was efficient on D56 (p = 0.001) and presented a synergic anti-allodynic effect with exercise from D21 to D56 (p < 0.0001). Histological assessment demonstrated a detrimental influence of exercise (mMs = 33.3%) compared with sedentary counterparts (mMs = 12.0%; p < 0.001), with more mature transformations. Spinal neuropeptide concentration was correlated with sensory sensitization and modulation sites (inflammation and endogenous inhibitory control) of the forced mobility effect. The surgical MI-RAT OA model coupled with calibrated slight exercise demonstrated face and predictive validity, an assurance of higher clinical translatability.
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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, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Emilie Bouet
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Sokhna Keita-Alassane
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Marilyn Frezier
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Aliénor Delsart
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Martin Guillot
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
| | - Agathe Bédard
- Charles River Laboratories Montreal ULC, Senneville, QC H9X 1C1, Canada;
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Bertrand Lussier
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
| | - Francis Beaudry
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
- Centre de Recherche sur le Cerveau et L’Apprentissage (CIRCA), Université de Montréal, Montréal, QC H3T 1P1, Canada
| | - Eric Troncy
- Groupe de Recherche en Pharmacologie Animale du Québec (GREPAQ), Department of Biomedical Sciences, Faculty of Veterinary Medicine, Université de Montréal, Saint-Hyacinthe, QC J2S 2M2, Canada; (C.O.); (E.B.); (S.K.-A.); (M.F.); (A.D.); (M.G.); (B.L.); (F.B.)
- Osteoarthritis Research Unit, Université de Montréal Hospital Research Center (CRCHUM), Montréal, QC H2X 0A9, Canada; (J.-P.P.); (J.M.-P.)
- Centre de Recherche sur le Cerveau et L’Apprentissage (CIRCA), Université de Montréal, Montréal, QC H3T 1P1, Canada
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Suljevic O, Schwarze UY, Okutan B, Herber V, Lichtenegger H, Freudenthal-Siefkes JE, Weinberg AM, Sommer NG. Does early post-operative exercise influence bone healing kinetics? Preclinical evaluation of non-critical sized femur defect healing. Bone 2023; 176:116869. [PMID: 37562662 DOI: 10.1016/j.bone.2023.116869] [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: 06/09/2023] [Revised: 07/27/2023] [Accepted: 08/07/2023] [Indexed: 08/12/2023]
Abstract
Physical exercise is a well-known modality for maintaining healthy locomotor mechanism. A detailed preclinical research on physical exercise effect on bone healing kinetics could help to improve the rehabilitation process after fracture treatment and bone remodeling. Our aim was to evaluate the effect of early post-operative exercise effect on bone microstructural changes in a rat model. Twenty Sprague Dawley male rats underwent bi-cortical 1.6 mm hole drilling in both femur diaphysis, after which (n = 10) underwent continuous treadmill training (TR) over two weeks, while the other group of rats (n = 10) was assigned to non-training (NT) control group. New bone formation labeling was performed by subcutaneous fluorochrome injections at day 5, 14 and 31. In vivo micro-computed tomography (μCT) scans were performed once a week during the 6-week post-operative period. Ten animals (five from each group) were euthanized at 3rd week while remaining animals were euthanized at 6th week. Femur samples were extracted and underwent ex vivo μCT and histological evaluation, while serum was used for evaluating alkaline phosphatase (ALP). μCT data demonstrated increased volume and surface of newly formed bone in defect area of TR group. Bone volume/Tissue volume (BV/TV) ratio and number of osteocytes showed an increase in TR group after 3-week period. Fluorochrome distances were increased between day 5 and 14 within the training group. Serum ALP level increased in both groups over 3- and 6-weeks. Post-operative exercise increases the bone healing kinetics and stimulates the new bone formation during and after the training protocol has ended.
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Affiliation(s)
- Omer Suljevic
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria.
| | - Uwe Y Schwarze
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria; Department of Dentistry and Oral Health, Division of Oral Surgery and Orthodontics, Medical University of Graz, 8036 Graz, Austria.
| | - Begüm Okutan
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria.
| | - Valentin Herber
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria; Department of Dentistry and Oral Health, Division of Oral Surgery and Orthodontics, Medical University of Graz, 8036 Graz, Austria; Department of Oral Surgery, University Center for Dental Medicine, University of Basel, Basel 4058, Switzerland.
| | - Helga Lichtenegger
- Department of Material Science and Process Engineering, University of Natural Resources and Life Sciences, Vienna 1180, Austria.
| | | | - Annelie-M Weinberg
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria.
| | - Nicole G Sommer
- Department of Orthopedics and Traumatology, Medical University of Graz, Graz 8036, Austria.
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9
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Saber MM, Mahmoud MM, Amin HM, Essam RM. Therapeutic effects of combining curcumin and swimming in osteoarthritis using a rat model. Biomed Pharmacother 2023; 166:115309. [PMID: 37573656 PMCID: PMC10538387 DOI: 10.1016/j.biopha.2023.115309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/15/2023] Open
Abstract
Osteoarthritis (OA) is a common debilitating degenerative disease of the elderly. We aimed to study the therapeutic effects of combining curcumin and swimming in monosodium iodoacetate (MIA)-induced OA in a rat model. The rats were divided into 5 groups (n = 9). Group 1 received saline and served as a control group. Groups 2-5 were injected intra-articularly in the right knee with 100 μL MIA. One week later, groups 3 and 5 were started on daily swimming sessions that gradually increased to 20-mins per session, and for groups 4 and 5, oral curcumin was administered at a dose of 200 mg/kg for 4 weeks. The combination therapy (curcumin + swimming) showed the most effective results in alleviating pain and joint stiffness as well as improving histological and radiological osteoarthritis manifestations in the knee joints. The combination modality also reduced serum C-reactive protein and tissue cartilage oligomeric matrix protein levels. Mechanistically, rats received dual treatment exhibited restoration of miR-130a and HDAC3 expression. The dual treatment also upregulated PPAR-γ alongside downregulation of NF-κB and its inflammatory cytokine targets TNF-α and IL-1β. Additionally, there was downregulation of MMP1 and MMP13 in the treated rats. In conclusion, our data showed that there is a therapeutic potential for combining curcumin with swimming in OA, which is attributed, at least in part, to the modulation of miR-130a/HDAC3/PPAR-γ signaling axis.
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Affiliation(s)
- Mona M Saber
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | | | - Hesham M Amin
- Divison of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Reham M Essam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt; Biology Department, School of Pharmacy, Newgiza University, Giza, Egypt
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10
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Chan KM, Griffith JL, Pacheco YC, Allen KD. Wheel Running Exacerbates Joint Damage after Meniscal Injury in Mice, but Does Not Alter Gait or Physical Activity Levels. Med Sci Sports Exerc 2023; 55:1564-1576. [PMID: 37144624 PMCID: PMC10524358 DOI: 10.1249/mss.0000000000003198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
PURPOSE Exercise and physical activity are recommended to reduce pain and improve joint function in patients with knee osteoarthritis (OA). However, exercise has dose effects, with excessive exercise accelerating OA development and sedentary behaviors also promoting OA development. Prior work evaluating exercise in preclinical models has typically used prescribed exercise regimens; however, in-cage voluntary wheel running creates opportunities to evaluate how OA progression affects self-selected physical activity levels. This study aimed to evaluate how voluntary wheel running after a surgically induced meniscal injury affects gait characteristics and joint remodeling in C57Bl/6 mice. We hypothesize that injured mice will reduce physical activity levels as OA develops after meniscal injury and will engage in wheel running to a lesser extent than the uninjured animals. METHODS Seventy-two C57Bl/6 mice were divided into experimental groups based on sex, lifestyle (physically active vs sedentary), and surgery (meniscal injury or sham control). Voluntary wheel running data were continuously collected throughout the study, and gait data were collected at 3, 7, 11, and 15 wk after surgery. At end point, joints were processed for histology to assess cartilage damage. RESULTS After meniscal injury, physically active mice showed more severe joint damage relative to sedentary mice. Nevertheless, injured mice engaged in voluntary wheel running at the same rates and distances as mice with sham surgery. In addition, physically active mice and sedentary mice both developed a limp as meniscal injury progressed, yet exercise did not further exacerbate gait changes in the physically active mice, despite worsened joint damage. CONCLUSIONS Taken together, these data indicate a discordance between structural joint damage and joint function. Although wheel running after meniscal injury did worsen OA-related joint damage, physical activity did not necessarily inhibit or worsen OA-related joint dysfunction or pain in mice.
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Affiliation(s)
- Kiara M. Chan
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL
- Department of Kinesiology, Indiana University, Bloomington, IN
| | - Jacob L. Griffith
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL
| | - Yan Carlos Pacheco
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene
| | - Kyle D. Allen
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL
- Department of Orthopedics and Sports Medicine, University of Florida, Gainesville, FL
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11
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Zhang S, Li T, Feng Y, Zhang K, Zou J, Weng X, Yuan Y, Zhang L. Exercise improves subchondral bone microenvironment through regulating bone-cartilage crosstalk. Front Endocrinol (Lausanne) 2023; 14:1159393. [PMID: 37288291 PMCID: PMC10242115 DOI: 10.3389/fendo.2023.1159393] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/04/2023] [Indexed: 06/09/2023] Open
Abstract
Articular cartilage degeneration has been proved to cause a variety of joint diseases, among which osteoarthritis is the most typical. Osteoarthritis is characterized by articular cartilage degeneration and persistent pain, which affects the quality of life of patients as well as brings a heavy burden to society. The occurrence and development of osteoarthritis is related to the disorder of the subchondral bone microenvironment. Appropriate exercise can improve the subchondral bone microenvironment, thus playing an essential role in preventing and treating osteoarthritis. However, the exact mechanism whereby exercise improves the subchondral bone microenvironment remains unclear. There is biomechanical interaction as well as biochemical crosstalk between bone and cartilage. And the crosstalk between bone and cartilage is the key to bone-cartilage homeostasis maintenance. From the perspective of biomechanical and biochemical crosstalk between bone and cartilage, this paper reviews the effects of exercise-mediated bone-cartilage crosstalk on the subchondral bone microenvironment, aiming to provide a theoretical basis for the prevention and treatment of degenerative bone diseases.
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Affiliation(s)
- Shihua Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Tingting Li
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Yao Feng
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Keping Zhang
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Jun Zou
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
| | - Xiquan Weng
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Yu Yuan
- School of Exercise and Health, Guangzhou Sport University, Guangzhou, China
| | - Lan Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai, China
- College of Sports and Health, Shandong Sport University, Jinan, China
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12
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Wada H, Aso K, Izumi M, Ikeuchi M. The effect of postmenopausal osteoporosis on subchondral bone pathology in a rat model of knee osteoarthritis. Sci Rep 2023; 13:2926. [PMID: 36804438 PMCID: PMC9941090 DOI: 10.1038/s41598-023-29802-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 02/10/2023] [Indexed: 02/22/2023] Open
Abstract
This study aimed to investigate the additional effect of ovariectomy-induced osteoporosis (OP) on the pathology of knee osteoarthritis (OA) in a rat meniscectomized model, particularly focusing on subchondral bone changes and pain behaviour. Rats were divided into four groups, sham, OP, OA, OP plus OA, and assessed for histology, osteoclast activity, subchondral bone microstructure, and pain-related behaviour. Rats with OP plus OA had significantly increased calcified cartilage and subchondral bone damage scores, increased densities of subchondral osteoclasts in the weight-bearing area, and more porous subchondral trabecular bone compared with rats with OA. Loss of tidemark integrity was observed most frequently in rats with OP plus OA. The density of subchondral osteoclasts correlated with the calcified cartilage and subchondral bone damage score in rats with OA (OA and OP plus OA). No significant differences in the receptor activator of nuclear factor-kappa B ligand (RANKL)/osteoprotegerin (OPG) expression ratio in subchondral bone and pain-related behavioural tests were observed between rats with OA and rats with OP plus OA. In rats with OA, coexisting OP potentially aggravated OA pathology mainly in calcified cartilage and subchondral trabecular bone by increasing subchondral osteoclast activity.
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Affiliation(s)
- Hiroyuki Wada
- grid.278276.e0000 0001 0659 9825Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-cho Kohasu, Nankoku, 783-8505 Japan
| | - Koji Aso
- Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-cho Kohasu, Nankoku, 783-8505, Japan.
| | - Masashi Izumi
- grid.278276.e0000 0001 0659 9825Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-cho Kohasu, Nankoku, 783-8505 Japan
| | - Masahiko Ikeuchi
- grid.278276.e0000 0001 0659 9825Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, 185-1 Oko-cho Kohasu, Nankoku, 783-8505 Japan
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13
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Gao J, Ren P, Gong H. Morphological and mechanical alterations in articular cartilage and subchondral bone during spontaneous hip osteoarthritis in guinea pigs. Front Bioeng Biotechnol 2023; 11:1080241. [PMID: 36756384 PMCID: PMC9900117 DOI: 10.3389/fbioe.2023.1080241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 01/09/2023] [Indexed: 01/24/2023] Open
Abstract
Objectives: This study aimed to investigate the morphological and mechanical changes in articular cartilage and subchondral bone during spontaneous hip osteoarthritis in guinea pigs. Materials and methods: Hip joints of guinea pigs were investigated at 1, 3, 6, and 9 months of age (hereafter denoted as 1 M, 3 M, 6 M, and 9 M, respectively; n = 7 in each group). Morphological and mechanical alterations during spontaneous hip osteoarthritis in guinea pigs were investigated. The alterations included the micromechanical properties of articular cartilage (stiffness and creep deformation), microstructure of the subchondral bone (bone mineral density, bone volume fraction, trabecular thickness, trabecular number, and trabecular separation), micromorphology of the articular cartilage, and surface nanostructure (grain size and roughness) of the articular cartilage and subchondral bone. Results: Micromechanical properties of articular cartilage in 1 M showed the lowest stiffness and highest creep deformation with no significant differences in stiffness or creep deformation amongst 3 M, 6 M, and 9 M. Articular cartilage thickness decreased with age. The earliest degeneration of articular cartilage occurred at 6 months of age, characterised by surface unevenness and evident chondrocytes reduction in micromorphology, as well as increased grain size and decreased roughness in nanostructure. No degeneration at micro- or nanostructure of subchondral bone was observed before 9 months. Conclusion: Morphological degeneration of cartilage occurred before degeneration of mechanical properties. Meanwhile, degeneration of cartilage occurred before degeneration of subchondral bone during hip osteoarthritis. The current study provided novel insights into the structural and micromechanical interaction of hip osteoarthritis, which can serve as a theoretical basis for understanding the formation and progression of osteoarthritis.
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Affiliation(s)
- Jiazi Gao
- Department of Engineering Mechanics, Nanling Campus, Jilin University, Changchun, China
| | - Pengling Ren
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - He Gong
- Department of Engineering Mechanics, Nanling Campus, Jilin University, Changchun, China,*Correspondence: He Gong,
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14
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Huesa C, Dunning L, MacDougall K, Fegen M, Ortiz A, McCulloch K, McGrath S, Litherland GJ, Crilly A, Van ‘T Hof RJ, Ferrell WR, Goodyear CS, Lockhart JC. Moderate exercise protects against joint disease in a murine model of osteoarthritis. Front Physiol 2022; 13:1065278. [PMID: 36545287 PMCID: PMC9760924 DOI: 10.3389/fphys.2022.1065278] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 11/16/2022] [Indexed: 12/07/2022] Open
Abstract
Exercise is recommended as a non-pharmacological therapy for osteoarthritis (OA). Various exercise regimes, with differing intensities and duration, have been used in a range of OA rodent models. These studies show gentle or moderate exercise reduces the severity of OA parameters while high intensity load bearing exercise is detrimental. However, these studies were largely conducted in rats or in mouse models induced by severe injury, age or obesity, whilst destabilization of the medial meniscus (DMM) in mice has become a widely accepted model due to its lower variability, moderate progression and timescale. The present study was undertaken to provide insight into the effect of moderate exercise on early joint pathology in the DMM mouse model. Exercise was induced a week after induction by forced wheel walking for three or 7 weeks. Joints were analyzed by microcomputed tomography and histology. Assessment of skeletal parameters revealed that exercise offered protection against cartilage damage after 7 weeks of exercise, and a temporary protection against osteosclerosis was displayed after 3 weeks of exercise. Furthermore, exercise modified the metaphyseal trabecular microarchitecture of the osteoarthritic leg in both time points examined. Collectively, our findings corroborate previous studies showing that exercise has an important effect on bone in OA, which subsequently, at 8 weeks post-induction, translates into less cartilage damage. Thus, providing an exercise protocol in a surgical mouse model of OA, which can be used in the future to further dissect the mechanisms by which moderate exercise ameliorates OA.
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Affiliation(s)
- C. Huesa
- School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom,School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - L. Dunning
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - K. MacDougall
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - M. Fegen
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - A. Ortiz
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - K. McCulloch
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - S. McGrath
- School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom
| | - G. J. Litherland
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - A. Crilly
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - R. J. Van ‘T Hof
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - W. R. Ferrell
- School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom
| | - C. S. Goodyear
- School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom,*Correspondence: C. S. Goodyear, ; J. C. Lockhart,
| | - J. C. Lockhart
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom,*Correspondence: C. S. Goodyear, ; J. C. Lockhart,
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15
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Williams MD, Meyers RC, Braxton LA, Diekman B, Lascelles BDX. Pilot comparison of outcome measures across chemical and surgical experimental models of chronic osteoarthritis in the rat (Rattus norvegicus). PLoS One 2022; 17:e0277943. [PMID: 36409758 PMCID: PMC9678322 DOI: 10.1371/journal.pone.0277943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 11/07/2022] [Indexed: 11/22/2022] Open
Abstract
Relatively little work has evaluated both the disease of osteoarthritis (OA) and clinically-relevant pain outcome measures across different OA models in rats. The objective of this study was to compare sensitivity, pain, and histological disease severity across chemical and surgical models of OA in the rat. Stifle OA was induced in Sprague-Dawley rats via intraarticular injection of monoiodoacetate (MIA) or surgical transection of anterior cruciate ligament and/or destabilization of medial meniscus (ACL+DMM or DMM alone). Reflexive (e.g., mechanical and thermal stimuli) measures of sensitivity and non-reflexive assays (e.g., lameness, static hindlimb weight-bearing asymmetry, dynamic gait analysis) of pain were measured over time. Joint degeneration was assessed histologically. Six-weeks post OA-induction, the ACL+DMM animals had significantly greater visually observed lameness than MIA animals; however, both ACL+DMM and MIA animals showed equal pain as measured by limb use during ambulation and standing. The MIA animals showed increased thermal, but not mechanical, sensitivity compared to ACL+DMM animals. Joint degeneration was significantly more severe in the MIA model at 6 weeks. Our pilot data suggest both the ACL+DMM and MIA models are equal in terms of clinically relevant pain behaviors, but the MIA model is associated with more severe histological changes over time potentially making it more suitable for screening disease modifying agents. Future work should further characterize each model in terms of complex pain behaviors and biochemical, molecular, and imaging analysis of the sensory system and joint tissues, which will allow for more informed decisions associated with model selection and investigative outcomes.
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Affiliation(s)
- Morika D. Williams
- Division of Comparative Medicine, Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Translational Research in Pain Program, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, United States of America
- Division of Rheumatology, Allergy, and Immunology, Thurston Arthritis Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
| | - Rachel C. Meyers
- Translational Research in Pain Program, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, United States of America
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Lauryn A. Braxton
- Translational Research in Pain Program, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, United States of America
- Department of Molecular and Structural Biochemistry, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Brian Diekman
- Division of Rheumatology, Allergy, and Immunology, Thurston Arthritis Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, North Carolina, United States of America
| | - B. Duncan X. Lascelles
- Translational Research in Pain Program, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Pain Research and Education Center, North Carolina State University, Raleigh, North Carolina, United States of America
- Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, United States of America
- Division of Rheumatology, Allergy, and Immunology, Thurston Arthritis Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
- Center for Translational Pain Medicine, Duke University, Durham, North Carolina, United States of America
- * E-mail:
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16
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Study on the Role of MicroRNA-214 in the Rehabilitation of Cartilage in Mice with Exercise-Induced Traumatic Osteoarthritis. Curr Issues Mol Biol 2022; 44:4100-4117. [PMID: 36135193 PMCID: PMC9497662 DOI: 10.3390/cimb44090281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 01/17/2023] Open
Abstract
This study aimed to explore the possible relationship between the expression of Micro RNA-214 (miR-214) and the pathogenesis and recovery in mice with post-traumatic osteoarthritis (PTOA). In this study, 40 male C57BL/6 mice were randomly divided into five groups: model control (MC) group, model (M) group, rehabilitation control (RC) group, model + rehabilitation (M + R) group, and model + convalescent (M + C) group. Four weeks of high-intensity treadmill exercise (HITE) and 4 weeks of moderate-intensity treadmill exercise (MITE) were implemented for PTOA modeling and rehabilitation, respectively. In vitro, 10% elongation mechanical strain was used for IL-1β stimulated chondrocytes. We found that compared with the MC group, there was a significant increase in the aspect of inflammation and catabolism while a dramatic fall in miR-214 expression was observed in the M group. After the 4 weeks of MITE, the level of inflammation and metabolism, as well as miR-214 expression, was partially reversed in the M + R group compared with the M + C group. The expression of miR-214 decreased dramatically after chondrocyte stimulation by IL-1β and then increased significantly after 10% strain was applied to IL-1β-treated cells. These results suggest that a suitable mechanical load can increase the expression of miR-214, and that miR-214 may play a chondroprotective effect in the development of OA.
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17
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Kong H, Wang XQ, Zhang XA. Exercise for Osteoarthritis: A Literature Review of Pathology and Mechanism. Front Aging Neurosci 2022; 14:854026. [PMID: 35592699 PMCID: PMC9110817 DOI: 10.3389/fnagi.2022.854026] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/11/2022] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) has a very high incidence worldwide and has become a very common joint disease in the elderly. Currently, the treatment methods for OA include surgery, drug therapy, and exercise therapy. In recent years, the treatment of certain diseases by exercise has received increasing research and attention. Proper exercise can improve the physiological function of various organs of the body. At present, the treatment of OA is usually symptomatic. Limited methods are available for the treatment of OA according to its pathogenesis, and effective intervention has not been developed to slow down the progress of OA from the molecular level. Only by clarifying the mechanism of exercise treatment of OA and the influence of different exercise intensities on OA patients can we choose the appropriate exercise prescription to prevent and treat OA. This review mainly expounds the mechanism that exercise alleviates the pathological changes of OA by affecting the degradation of the ECM, apoptosis, inflammatory response, autophagy, and changes of ncRNA, and summarizes the effects of different exercise types on OA patients. Finally, it is found that different exercise types, exercise intensity, exercise time and exercise frequency have different effects on OA patients. At the same time, suitable exercise prescriptions are recommended for OA patients.
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Affiliation(s)
- Hui Kong
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai Shangti Orthopedic Hospital, Shanghai, China
- *Correspondence: Xin-An Zhang,
| | - Xin-An Zhang
- College of Kinesiology, Shenyang Sport University, Shenyang, China
- Xue-Qiang Wang,
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18
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Li H, Gou Y, Tian F, Zhang Y, Lian Q, Hu Y, Zhang L. Combination of metformin and exercise alleviates osteoarthritis in ovariectomized mice fed a high-fat diet. Bone 2022; 157:116323. [PMID: 34990878 DOI: 10.1016/j.bone.2021.116323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/10/2021] [Accepted: 12/28/2021] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To evaluate and compare the effects of the combined intervention of metformin and exercise on the degeneration of cartilage and subchondral bone in a mouse model of osteoarthritis (OA) induced by estrogen deficiency and obesity. METHODS 56 female 3-month-old C57BL/6 mice underwent ovariectomy (OVX) (n = 40) or a sham operation (n = 16) and were randomized into seven groups (n = 8/group): 1) sham-operated mice with a normal diet (Sham), 2) OVX mice with a normal diet (OVX), 3) sham-operated mice with high-fat diet (HFD) (HSVX), 4) OVX mice with HFD (HOVX), 5) OVX mice with HFD + exercise (HOVE), 6) OVX mice with HFD + metformin (HOMX), and 7) OVX mice with HFD + metformin + exercise (HOME). Drug administration and exercise training were initiated 72 h after surgical operation. The pathology of OA was assessed by histomorphology analyses, immunohistochemistry (IHC), tartrate-resistant acid phosphatase (TRAP) staining, micro-computed tomography and enzyme-linked immunosorbent assay (ELISA). RESULTS Histomorphological analysis revealed that OA was significantly exacerbated by the coexistence of estrogen deficiency and obesity and markedly alleviated by the combined intervention. In details, metformin plus exercise ameliorated the abnormal metabolic status and cartilage lesions, significantly increased aggrecan and collagen-II expression and decreased the expression of ADAMTS-4. Furthermore, combined intervention markedly improved bone degeneration, bone mass and microarchitecture of subchondral bone. And the intervention also increased the concentration of OCN and decreased the serum concentration of IL-1β and CTX-1 and glucose. CONCLUSIONS The coexistence of estrogen deficiency and obesity further aggravates abnormal metabolic pathology and articular degeneration, which could be prevented by the combination with metformin and exercise, suggesting that combined intervention may be a potential candidate for amelioration of the progression of OA.
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Affiliation(s)
- Hetong Li
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China.
| | - Yu Gou
- Department of Orthopaedic Surgery, Tianjin Hospital, Tianjin University, Tianjin, PR China.
| | - Faming Tian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, PR China.
| | - Ya Zhang
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, PR China
| | - Qiangqiang Lian
- School of Public Health, North China University of Science and Technology, Tangshan, Hebei, PR China
| | - Yunpeng Hu
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China
| | - Liu Zhang
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, PR China.
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19
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Little-Letsinger SE, Rubin J, Diekman B, Rubin CT, McGrath C, Pagnotti GM, Klett EL, Styner M. Exercise to Mend Aged-tissue Crosstalk in Bone Targeting Osteoporosis & Osteoarthritis. Semin Cell Dev Biol 2022; 123:22-35. [PMID: 34489173 PMCID: PMC8840966 DOI: 10.1016/j.semcdb.2021.08.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 08/16/2021] [Accepted: 08/19/2021] [Indexed: 12/16/2022]
Abstract
Aging induces alterations in bone structure and strength through a multitude of processes, exacerbating common aging- related diseases like osteoporosis and osteoarthritis. Cellular hallmarks of aging are examined, as related to bone and the marrow microenvironment, and ways in which these might contribute to a variety of age-related perturbations in osteoblasts, osteocytes, marrow adipocytes, chondrocytes, osteoclasts, and their respective progenitors. Cellular senescence, stem cell exhaustion, mitochondrial dysfunction, epigenetic and intracellular communication changes are central pathways and recognized as associated and potentially causal in aging. We focus on these in musculoskeletal system and highlight knowledge gaps in the literature regarding cellular and tissue crosstalk in bone, cartilage, and the bone marrow niche. While senolytics have been utilized to target aging pathways, here we propose non-pharmacologic, exercise-based interventions as prospective "senolytics" against aging effects on the skeleton. Increased bone mass and delayed onset or progression of osteoporosis and osteoarthritis are some of the recognized benefits of regular exercise across the lifespan. Further investigation is needed to delineate how cellular indicators of aging manifest in bone and the marrow niche and how altered cellular and tissue crosstalk impact disease progression, as well as consideration of exercise as a therapeutic modality, as a means to enhance discovery of bone-targeted therapies.
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Affiliation(s)
- SE Little-Letsinger
- Department of Medicine, Division of Endocrinology & Metabolism, University of North Carolina at Chapel Hill
| | - J Rubin
- Department of Medicine, Division of Endocrinology & Metabolism, University of North Carolina at Chapel Hill,North Carolina Diabetes Research Center (NCDRC), University of North Carolina at Chapel Hill,Department of Medicine, Thurston Arthritis Research Center (TARC), University of North Carolina at Chapel Hill
| | - B Diekman
- Department of Medicine, Thurston Arthritis Research Center (TARC), University of North Carolina at Chapel Hill,Joint Departments of Biomedical Engineering NC State & University of North Carolina at Chapel Hill
| | - CT Rubin
- Department of Biomedical Engineering, State University of New York at Stony Brook
| | - C McGrath
- Department of Medicine, Division of Endocrinology & Metabolism, University of North Carolina at Chapel Hill
| | - GM Pagnotti
- Dept of Endocrine, Neoplasia, and Hormonal Disorders, University Texas MD Anderson Cancer Center, Houston
| | - EL Klett
- Department of Medicine, Division of Endocrinology & Metabolism, University of North Carolina at Chapel Hill,Department of Nutrition, School of Public Health, University of North Carolina at Chapel Hill
| | - M Styner
- Department of Medicine, Division of Endocrinology & Metabolism, University of North Carolina at Chapel Hill,North Carolina Diabetes Research Center (NCDRC), University of North Carolina at Chapel Hill,Department of Medicine, Thurston Arthritis Research Center (TARC), University of North Carolina at Chapel Hill
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20
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Zeng CY, Zhang ZR, Tang ZM, Hua FZ. Benefits and Mechanisms of Exercise Training for Knee Osteoarthritis. Front Physiol 2022; 12:794062. [PMID: 34975542 PMCID: PMC8716769 DOI: 10.3389/fphys.2021.794062] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/19/2021] [Indexed: 01/09/2023] Open
Abstract
Knee osteoarthritis is a chronic degenerative disease. Cartilage and subchondral bone degeneration, as well as synovitis, are the main pathological changes associated with knee osteoarthritis. Mechanical overload, inflammation, metabolic factors, hormonal changes, and aging play a vital role in aggravating the progression of knee osteoarthritis. The main treatments for knee osteoarthritis include pharmacotherapy, physiotherapy, and surgery. However, pharmacotherapy has many side effects, and surgery is only suitable for patients with end-stage knee osteoarthritis. Exercise training, as a complementary and adjunctive physiotherapy, can prevent cartilage degeneration, inhibit inflammation, and prevent loss of the subchondral bone and metaphyseal bone trabeculae. Increasing evidence indicates that exercise training can improve pain, stiffness, joint dysfunction, and muscle weakness in patients with knee osteoarthritis. There are several exercise trainings options for the treatment of knee osteoarthritis, including aerobic exercise, strength training, neuromuscular exercise, balance training, proprioception training, aquatic exercise, and traditional exercise. For Knee osteoarthritis (KOA) experimental animals, those exercise trainings can reduce inflammation, delay cartilage and bone degeneration, change tendon, and muscle structure. In this review, we summarize the main symptoms of knee osteoarthritis, the mechanisms of exercise training, and the therapeutic effects of different exercise training methods on patients with knee osteoarthritis. We hope this review will allow patients in different situations to receive appropriate exercise therapy for knee osteoarthritis, and provide a reference for further research and clinical application of exercise training for knee osteoarthritis.
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Affiliation(s)
- Chu-Yang Zeng
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China.,Department of Rehabilitation Medicine, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Zhen-Rong Zhang
- School of Rehabilitation, Capital Medical University, Beijing, China
| | - Zhi-Ming Tang
- Department of Orthopedics, Jiangxi Provincial People's Hospital Affiliated to Nanchang University, Nanchang, China
| | - Fu-Zhou Hua
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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21
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Oka Y, Murata K, Kano T, Ozone K, Arakawa K, Kokubun T, Kanemura N. Impact of Controlling Abnormal Joint Movement on the Effectiveness of Subsequent Exercise Intervention in Mouse Models of Early Knee Osteoarthritis. Cartilage 2021; 13:1334S-1344S. [PMID: 31718284 PMCID: PMC8804869 DOI: 10.1177/1947603519885007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Moderate mechanical stress is necessary for preserving the cartilage. The clinician empirically understands that prescribing only exercise will progress osteoarthritis (OA) for knee OA patients with abnormal joint movement. When prescribing exercise for OA, we hypothesized that degeneration of articular cartilage could be further prevented by combining interventions with the viewpoint of normalizing joint movement. DESIGN Twelve-week-old ICR mice underwent anterior cruciate ligament transection (ACL-T) surgery in their right knee and divided into 4 groups: ACL-T, controlled abnormal joint movement (CAJM), ACL-T with exercise (ACL-T/Ex), CAJM with exercise (CAJM/Ex). Animals in the walking group were subjected to treadmill exercise 6 weeks after surgery, which included walking for 18 m/min, 30 min/d, 3 d/wk for 4 weeks. Joint instability was measured by anterior drawer test, and safranin-O staining and immunohistochemical staining were performed. RESULTS OARSI (Osteoarthritis Research Society International) score of ACL-T/Ex group showed highest among 4 groups (P < 0.001). And CAJM/Ex group was lower than ACL-T/Ex group. Positive cell ratio of IL-1β and MMP-13 in CAJM/Ex group was lower than ACL-T/Ex group (P < 0.05). CONCLUSIONS We found that the state of the intra-articular environment can greatly influence the effect of exercise on cartilage degeneration, even if exercise is performed under the same conditions. In the CAJM/Ex group where joint movement was normalized, abnormal mechanical stress such as shear force and compression force accompanying ACL cutting was alleviated. These findings may highlight the need to consider an intervention to correct abnormal joint movement before prescribing physical exercise in the treatment of OA.
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Affiliation(s)
- Yuichiro Oka
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kenji Murata
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan
| | - Takuma Kano
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kaichi Ozone
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kohei Arakawa
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Takanori Kokubun
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan
| | - Naohiko Kanemura
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan,Naohiko Kanemura, Department of
Physical Therapy, Health and Social Services, Saitama Prefectural
University, 820 Sannomiya, Koshigaya, Saitama 343-8540, Japan.
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22
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Zhou X, Cao H, Wang M, Zou J, Wu W. Moderate-intensity treadmill running relieves motion-induced post-traumatic osteoarthritis mice by up-regulating the expression of lncRNA H19. Biomed Eng Online 2021; 20:111. [PMID: 34794451 PMCID: PMC8600697 DOI: 10.1186/s12938-021-00949-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 11/03/2021] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND The purpose of this study was to explore whether moderate-intensity exercise can alleviate motion-induced post-traumatic osteoarthritis (PTOA) and the expression change of lncRNA H19 during this progression. METHODS Twenty-week-old male C57BL/6 mice were randomly divided into five groups: model control group (MC group, n = 6), treadmill model group (M group, n = 6), rehabilitation control group (RC group, n = 6), treadmill model + rehabilitation training group (M + R group, n = 6) and treadmill model + convalescent group (M + C group, n = 6). Paraffin sections were used to observe the pathological changes in the mouse knee joint in each group. A micro-CT was used to scan the knee joint to obtain the morphological indexes of the tibial plateau bone. Real-time PCR was used to detect the mRNA levels of inflammatory factors, synthetic and catabolic factors in cartilage. RESULTS After high-intensity exercise for 4 weeks, the inflammation and catabolism of the mouse knee cartilage were enhanced, and the anabolism was weakened. Further study showed that these results were partially reversed after 4-week moderate-intensity training. The results of hematoxylin-eosin staining confirmed this finding. Meanwhile, high-intensity exercise reduced the expression of lncRNA H19 in cartilage, while the expression of lncRNA H19 increased after 4 weeks of moderate-intensity exercise. CONCLUSION High-intensity treadmill running can cause injury to the knee cartilage in C57BL/6 mice which leads to PTOA and a decrease of lncRNA H19 expression in cartilage. Moderate-intensity exercise can relieve PTOA and partially reverse lncRNA H19 expression.
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Affiliation(s)
- Xuchang Zhou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Hong Cao
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Miao Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jun Zou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Wei Wu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China.
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23
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Westhof A, Kleinschmidt-Doerr K, Michaelis M, Brenneis C. Dynamic weight-bearing test during jumping: A sensitive outcome measure of chronic osteoarthritis pain in rats. Heliyon 2021; 7:e07906. [PMID: 34522804 PMCID: PMC8427200 DOI: 10.1016/j.heliyon.2021.e07906] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 07/22/2021] [Accepted: 08/30/2021] [Indexed: 11/06/2022] Open
Abstract
Pain due to osteoarthritis (OA) often occurs during locomotion in the vertical direction when joints are subjected to high mechanical load, e.g. during standing up from a chair or using stairs. To investigate joint pain in OA rat models, dynamic weight-bearing or gait analysis is traditionally conducted during horizontal walking on a flat surface. However, in chronic models of OA, which are of particular translational relevance for the disease, differences in the readouts between OA and control rats are often weak and of high variability leading to an insufficient assay window for drug profiling. To measure pain-related symptoms more sensitively, we conducted a dynamic weight-bearing test in the moment of a strong voluntary mechanical load. For that, we permanently housed rats in a four-story rat colony cage (RCC) and determined hind paw forces during voluntary jumping from one level to the next. This outcome measure was named jump incapacitance. After inducing OA by destabilizing the medial meniscus (DMM), we found that during jumps the average ipsilateral over contralateral hind paw forces were significantly reduced compared with healthy controls (jump incapacitance) from early- (day 7) to late-stage disease (day 90). An intra-articular injection of Zilretta (triamcinolone acetonide extended-release injectable suspension) attenuated OA-induced jump incapacitance after 8 days compared with DMM rats receiving vehicle (p = 0.069). In contrast, a CatWalk test for gait disturbance failed to detect any significant alterations in the chronic course of the DMM model. In conclusion, the dynamic weight-bearing test during jumping represents a novel method to characterize joint pain symptoms even in a slowly progressive OA rat model. It is sensitive, observer independent, relates to clinically relevant endpoints and demonstrates backtranslation of a drug that is approved for the treatment of OA knee pain.
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Affiliation(s)
- Andreas Westhof
- TIP Immunology, Innovation Cluster Osteoarthritis, Merck Healthcare KGaA, Darmstadt, Germany
| | | | - Martin Michaelis
- TIP Immunology, Innovation Cluster Osteoarthritis, Merck Healthcare KGaA, Darmstadt, Germany
| | - Christian Brenneis
- TIP Immunology, Innovation Cluster Osteoarthritis, Merck Healthcare KGaA, Darmstadt, Germany
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24
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Takahashi I, Takeda K, Matsuzaki T, Kuroki H, Hoso M. Reduction of knee joint load suppresses cartilage degeneration, osteophyte formation, and synovitis in early-stage osteoarthritis using a post-traumatic rat model. PLoS One 2021; 16:e0254383. [PMID: 34270585 PMCID: PMC8284605 DOI: 10.1371/journal.pone.0254383] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/16/2021] [Indexed: 02/05/2023] Open
Abstract
The purpose of this study was to clarify the histological effect of reducing the loading to knee on cartilage degeneration, osteophyte formation, and synovitis in early-stage osteoarthritis (OA) using a post-traumatic rat model. Ten male rats were randomly allocated into two experimental groups: OA induction by surgical destabilization of medial meniscus (DMM, OA group) and hindlimb suspension after OA induction by DMM (OAHS group). The articular cartilage, osteophyte formation, and synovial membrane in the medial tibiofemoral joint were analyzed histologically and histomorphometrically at 2 and 4 weeks after surgery. The histological scores and changes in articular cartilage and osteophyte formation were significantly milder and slower in the OAHS group than in the OA group. At 2 and 4 weeks, there were no significant differences in cartilage thickness and matrix staining intensity between both the groups, but chondrocytes density was significantly lower in the OA group. Synovitis was milder in OAHS group than in OA group at 2 weeks. Reducing knee joint loading inhibited histological OA changes in articular cartilage, osteophyte formation, and synovial inflammation. This result supports the latest clinical guidelines for OA treatment. Further studies using biochemical and mechanical analyses are necessary to elucidate the mechanism underlying delayed OA progression caused by joint-load reduction.
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Affiliation(s)
- Ikufumi Takahashi
- Section of Rehabilitation, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keisuke Takeda
- Section of Rehabilitation, Kanazawa University Hospital, Kanazawa, Ishikawa, Japan
| | - Taro Matsuzaki
- Division of Health Sciences, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan
| | - Hiroshi Kuroki
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masahiro Hoso
- Division of Health Sciences, Graduate School of Medical Science, Kanazawa University, Kanazawa, Ishikawa, Japan
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25
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Hao X, Wang S, Zhang J, Xu T. Effects of body weight-supported treadmill training on cartilage-subchondral bone unit in the rat model of posttraumatic osteoarthritis. J Orthop Res 2021; 39:1227-1235. [PMID: 32603538 DOI: 10.1002/jor.24791] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 04/02/2020] [Accepted: 06/12/2020] [Indexed: 02/04/2023]
Abstract
Posttraumatic osteoarthritis (PTOA) is a subset of osteoarthritis (OA) resulting from the integrated outcome of joint injury, accounting for more than 12% of the overall OA cases. Although current therapies restore joint kinematics and alleviate inflammation, more than 20% patients undergo the unexpected progression of PTOA. Exercise is widely recommended to patients with OA and treadmill training is effective in preventing osteoarthritic changes in PTOA animals. However, the understanding gap of modified treadmill exercise models with different exercise dose and loading weight still exists. To evaluate the effects of body weight-supported treadmill training on PTOA, 30 rats were divided into the sham group (n = 6) and the PTOA group (n = 24) which were further assigned into three subgroups including the sedentary, the treadmill walking (TW), and the body weight-supported treadmill training (BWSTT) groups. The training groups were subjected to 4-week treadmill training at the speed of 15 m/min for 30 min/d, 5 d/wk. Then the tibias were elevated by histological staining, immunohistochemical staining, and micro-computed tomography. In our results, the significant OA-relevant changes in cartilage-subchondral bone unit were observed in the PTOA groups after surgery, characterized by cartilage degradation and subchondral bone remodeling. After 4-week treadmill training, the OA-relevant changes in cartilage-subchondral bone unit were alleviated and BWSTT is more efficient to maintain cartilage integrity and attenuate the subchondral bone loss and remodeling than TW. In conclusion, BWSTT is a promising and favorable treatment of PTOA slowing down the development of PTOA by reprogramming the cartilage-subchondral unit.
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Affiliation(s)
- Xiaoxia Hao
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shengjie Wang
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Department of Rehabilitation, Hubei Provincial Hospital of Integrated Chinese and Western Medicine, Wuhan, China
| | - Jiaming Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Xu
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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26
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Treadmill Exercise after Controlled Abnormal Joint Movement Inhibits Cartilage Degeneration and Synovitis. Life (Basel) 2021; 11:life11040303. [PMID: 33915911 PMCID: PMC8066168 DOI: 10.3390/life11040303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/24/2021] [Accepted: 03/29/2021] [Indexed: 12/17/2022] Open
Abstract
Cartilage degeneration is the main pathological component of knee osteoarthritis (OA), but no effective treatment for its control exists. Although exercise can inhibit OA, the abnormal joint movement with knee OA must be managed to perform exercise. Our aims were to determine how controlling abnormal joint movement and treadmill exercise can suppress cartilage degeneration, to analyze the tissues surrounding articular cartilage, and to clarify the effect of treatment. Twelve-week-old ICR mice (n = 24) underwent anterior cruciate ligament transection (ACL-T) surgery on their right knees and were divided into three groups as follows: ACL-T, animals in the walking group subjected to ACL-T; controlled abnormal joint movement (CAJM), and CAJM with exercise (CAJM + Ex) (n = 8/group). Walking-group animals were subjected to treadmill exercise 6 weeks after surgery, including walking for 18 m/min, 30 min/day, 3 days/week for 8 weeks. Safranin-O staining, hematoxylin-eosin staining, and immunohistochemical staining were performed. The OARSI (Osteoarthritis research Society international) score was lower in the CAJM group than in the ACL-T group and was even lower in the CAJM + Ex group. The CAJM group had a lower meniscal injury score than the ACL-T group, and the CAJM + Ex group demonstrated a less severe synovitis than the ACL-T and CAJM groups. The observed difference in the perichondrium tissue damage score depending on the intervention method suggests different therapeutic effects, that normalizing joint motion can solve local problems in the knee joint, and that the anti-inflammatory effect of treadmill exercise can suppress cartilage degeneration.
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27
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Ji X, Ito A, Nakahata A, Nishitani K, Kuroki H, Aoyama T. Effects of in vivo cyclic compressive loading on the distribution of local Col2 and superficial lubricin in rat knee cartilage. J Orthop Res 2021; 39:543-552. [PMID: 32716572 DOI: 10.1002/jor.24812] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/20/2020] [Accepted: 07/09/2020] [Indexed: 02/04/2023]
Abstract
This study aimed to examine the effects of an episode of in vivo cyclic loading on rat knee articular cartilage (AC) under medium-term observation, while also investigating relevant factors associated with the progression of post-traumatic osteoarthritis (PTOA). Twelve-week-old Wistar rats underwent one episode comprising 60 cycles of 20 N or 50 N dynamic compression on the right knee joint. Spatiotemporal changes in the AC after loading were evaluated using histology and immunohistochemistry at 3 days and 1, 2, 4, and 8 weeks after loading (n = 6 for each condition). Chondrocyte vitality was assessed at 1, 3, 6, and 12 hours after loading (n = 2 for each condition). A localized AC lesion on the lateral femoral condyle was confirmed in all subjects. The surface and intermediate cartilage in the affected area degenerated after loading, but the calcified cartilage remained intact. Expression of type II collagen in the lesion cartilage was upregulated after loading, whereas the superficial lubricin layer was eroded in response to cyclic compression. However, the distribution of superficial lubricin gradually recovered to the normal level 4 weeks after loading-induced injury. We confirmed that 60 repetitions of cyclic loading exceeding 20 N could result in cartilage damage in the rat knee. Endogenous repairs in well-structured joints work well to rebuild protective layers on the lesion cartilage surface, which may be the latent factor delaying the progression of PTOA.
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Affiliation(s)
- Xiang Ji
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Ito
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akihiro Nakahata
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kohei Nishitani
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroshi Kuroki
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomoki Aoyama
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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28
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Tian Y, Gou J, Zhang H, Lu J, Jin Z, Jia S, Bai L. The anti-inflammatory effects of 15-HETE on osteoarthritis during treadmill exercise. Life Sci 2021; 273:119260. [PMID: 33636171 DOI: 10.1016/j.lfs.2021.119260] [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: 10/15/2020] [Revised: 02/03/2021] [Accepted: 02/15/2021] [Indexed: 01/01/2023]
Abstract
AIMS Investigate the involvement of 15-hydroxyeicosatetraenoic acid (15-HETE), an anti-inflammatory molecule, on the beneficial effects of exercise therapy for osteoarthritis (OA). MAIN METHODS 15-HETE (10 μM, twice a week) and monosodium iodoacetate (MIA) (1 mg) were injected into rat knee joints. Treadmill exercise was applied on OA rat. Primary rat chondrocytes were treated with 15-HETE, LY294002 and interleukin (IL)-1β. Rats undergo a 1 hour single session treadmill exercise once. 15-HETE levels in the knee joint were evaluated using ELISA after a single session of treadmill exercise on healthy and OA rats. Matrix metalloproteinase (MMP)3, MMP-13, a disintegrin and metalloproteinase with thrombospondin motif (ADAMTS)-5, p-Akt, Akt, and collagen type 2 (COL2) expression were evaluated using RT-PCR and western blotting. OA degree was evaluated using X-ray, scored by Osteoarthritis Research Society International (OARSI) and Mankin scores. COL2 and MMP-13 expression in articular was evaluated using immunohistochemistry. KEY FINDINGS Medium intensity exercise alleviated OA. 15-HETE levels after exercise was increased. 15-HETE inhibited IL-1β-induced inflammation in primary chondrocytes and increased p-Akt levels. LY294002 blocked the effect of 15-HETE in vitro. Finally, 15-HETE alleviated cartilage damage, inhibited MMP-13 expression, and increased COL2 expression in joint cartilage tissue. SIGNIFICANCE Treadmill exercise alleviates OA and increases 15-HETE levels in the knee joint, which suppresses inflammation in chondrocytes via PI3k-Akt signalling in vitro and in vivo.
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Affiliation(s)
- Yicheng Tian
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Jian Gou
- Department of Nursing, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - He Zhang
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Jinghan Lu
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Zhuangzhuang Jin
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Shuangshuo Jia
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical University, Shenyang, China; Shengjing Hospital, Sanhao Street 36#, Heping Area, Shenyang, Liaoning Province, China.
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29
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Microstructure and mechanical properties of subchondral bone are negatively regulated by tramadol in osteoarthritis in mice. Biosci Rep 2020; 40:226099. [PMID: 32803252 PMCID: PMC7475645 DOI: 10.1042/bsr20194207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 07/27/2020] [Accepted: 08/13/2020] [Indexed: 11/17/2022] Open
Abstract
Objectives: In the treatment of osteoarthritis (OA), tramadol, a common weak opioid, has become popular due to its effectiveness in inhibition of pain. In the present study, we aimed to explore the effect of tramadol on subchondral bone, especially changes in the microstructure and mechanical properties. Methods: A mouse model of OA was established in the present study by destabilization of the medial meniscus (DMM). A vehicle or drug was administered for 4 weeks. Specimens were harvested and analyzed radiologically and histologically using micro-computed tomography (micro-CT), scanning electron microscopy (SEM), atomic force microscopy (AFM) and histological staining to evaluate the knee joints of mice undergoing different forms of intervention. Results: In the early stages of OA induced by DMM, the subchondral bone volume fraction in the OA group was significantly higher than in the sham+vehicle (sham+veh) group, while the volume in the treatment groups was lower than in the DMM+vehicle (DMM+veh) and sham+veh groups. In addition, the elastic moduli in the treatment groups clearly decreased compared with the DMM+veh and sham+veh groups. Observations of the subchondral bone surface by SEM indicated serious destruction, principally manifesting as a decrease in lacunae and more numerous and scattered cracks. Histological staining demonstrated that there was no difference in the degeneration of either the articular cartilage or synovial cells whether tramadol was used or not. Conclusion: Although tramadol is effective in inhibiting pain in early OA, it negatively regulates the microstructure and mechanical properties of subchondral bone in joints.
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30
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Brenneis C, Menges S, Westhof A, Lindemann S, Thudium C, Kleinschmidt-Doerr K. Colony housing promotes structural and functional changes during surgically induced osteoarthritis in rats. OSTEOARTHRITIS AND CARTILAGE OPEN 2020; 2:100100. [DOI: 10.1016/j.ocarto.2020.100100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 12/13/2022] Open
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Blaker CL, Ashton DM, Doran N, Little CB, Clarke EC. Sex- and injury-based differences in knee biomechanics in mouse models of post-traumatic osteoarthritis. J Biomech 2020; 114:110152. [PMID: 33285491 DOI: 10.1016/j.jbiomech.2020.110152] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 01/14/2023]
Abstract
Sex and joint injury are risk factors implicated in the onset and progression of osteoarthritis (OA). In mouse models of post-traumatic OA (ptOA), the pathogenesis of disease is notably impacted by sex (often worse in males) and injury model (e.g. meniscal versus ligament injury). Increasing ptOA progression and severity is often associated with greater relative instability of the joint but few studies have directly quantified changes in joint mechanics after injury and compared outcomes across multiple models in both male and female mice. Passive anterior-posterior knee biomechanics were evaluated in 10-week-old, male and female C57BL/6J mice. PtOA injury models included destabilisation of the medial meniscus (DMM), anterior cruciate ligament transection (ACLT) or mechanical rupture (ACLR), and combined DMM and ACLT (DMM + ACLT). Sham operated and non-operated controls (NOC) were included for baseline comparisons. The test apparatus loaded hindlimbs at 60° flexion between ± 1 N at 0.5 mm/s (build specifications available for download: https://doi.org/10.17632/z754455x3c.1). Measures of joint laxity (range of motion, neutral zone) and stiffness were calculated. Joint laxity was comparable between male and female mice while joint stiffness was greater in females (P ≤ 0.002, correcting for body-mass and injury-model). Anterior-posterior joint mechanics were minimally altered by DMM but significantly affected by loss of the ACL (P < 0.001), with equivalent changes between ACL-injury models despite different injury mechanisms and adjacent meniscal damage. These findings suggest that despite the important role of joint injury; sex- and model-specific differences in ptOA progression and severity are not primarily driven by altered anterior-posterior knee biomechanics.
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Affiliation(s)
- Carina L Blaker
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia; Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia
| | - Dylan M Ashton
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia
| | - Nathan Doran
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia; School of Biomedical Engineering, University of New South Wales, Kensington, New South Wales, Australia
| | - Christopher B Little
- Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia
| | - Elizabeth C Clarke
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Faculty of Medicine and Health, University of Sydney, St. Leonards, New South Wales, Australia.
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Bourzac C, Bensidhoum M, Manassero M, Chappard C, Michoux N, Pallu S, Portier H. Preventive Moderate Continuous Running-Exercise Conditioning Improves the Healing of Non-Critical Size Bone Defects in Male Wistar Rats: A Pilot Study Using µCT. Life (Basel) 2020; 10:life10120308. [PMID: 33255288 PMCID: PMC7760000 DOI: 10.3390/life10120308] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/18/2020] [Accepted: 11/19/2020] [Indexed: 12/18/2022] Open
Abstract
Although physical exercise has unquestionable benefits on bone health, its effects on bone healing have been poorly investigated. This study evaluated the effects of preemptive moderate continuous running on the healing of non-critical sized bone defects in rats by µCT. We hypothesized that a preemptive running exercise would quicken bone healing. Twenty 5-week-old, male, Wistar rats were randomly allocated to one of the following groups (n = 10): sedentary control (SED) or continuous running (EX, 45 min/d, 5 d/week at moderate speed, for 8 consecutive weeks). A 2 mm diameter bone defect was then performed in the right tibia and femur. No exercise was performed during a 4 week-convalescence. Healing-tissue trabecular microarchitectural parameters were assessed once a week for 4 weeks using µCT and plasma bone turnover markers measured at the end of the study protocol (time point T12). At T12, bone volume fraction (BV/TV; BV: bone volume, TV: tissue volume) of the healing tissue in tibiae and femurs from EX rats was higher compared to that in SED rats (p = 0.001). BV/TV in EX rats was also higher in tibiae than in femurs (p < 0.01). The bone mineral density of the healing tissue in femurs from EX rats was higher compared to that in femurs from SED rats (p < 0.03). N-terminal telopeptide of collagen type I in EX rats was decreased compared to SED rats (p < 0.05), while no differences were observed for alkaline phosphatase and parathyroid hormone. The study provides evidence that preemptive moderate continuous running improves the healing of non-critical sized bone defects in male Wistar rats.
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Affiliation(s)
- Céline Bourzac
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
- Département Elevage et Pathologie des Equidés et des Carnivores, Ecole Nationale Vétérinaire d’Alfort, 94700 Maisons-Alfort, France
| | - Morad Bensidhoum
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
| | - Mathieu Manassero
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
- Département Elevage et Pathologie des Equidés et des Carnivores, Ecole Nationale Vétérinaire d’Alfort, 94700 Maisons-Alfort, France
| | - Christine Chappard
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
| | - Nicolas Michoux
- Département de Radiologie, Institut de Recherche Expérimentale et Clinique, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, 1200 Brussels, Belgium;
| | - Stéphane Pallu
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
- Collegium Science & Technique, 2 Allée du Château, Université d’Orléans, 45100 Orléans, France
| | - Hugues Portier
- B3OA, UMR CNRS 7052, INSERM U1271, Université de Paris, 75010 Paris, France; (C.B.); (M.B.); (M.M.); (C.C.); (S.P.)
- Collegium Science & Technique, 2 Allée du Château, Université d’Orléans, 45100 Orléans, France
- Correspondence: ; Tel.: +33-782-309-43
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Shao LT, Gou Y, Fang JK, Hu YP, Lian QQ, Zhang YY, Wang YD, Tian FM, Zhang L. Parathyroid hormone (1-34) ameliorates cartilage degeneration and subchondral bone deterioration in collagenase-induced osteoarthritis model in mice. Bone Joint Res 2020; 9:675-688. [PMID: 33101657 PMCID: PMC7563035 DOI: 10.1302/2046-3758.910.bjr-2020-0018.r1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Aims Parathyroid hormone (PTH) (1-34) exhibits potential in preventing degeneration in both cartilage and subchondral bone in osteoarthritis (OA) development. We assessed the effects of PTH (1-34) at different concentrations on bone and cartilage metabolism in a collagenase-induced mouse model of OA and examined whether PTH (1-34) affects the JAK2/STAT3 signalling pathway in this process. Methods Collagenase-induced OA was established in C57Bl/6 mice. Therapy with PTH (1-34) (10 μg/kg/day or 40 μg/kg/day) was initiated immediately after surgery and continued for six weeks. Cartilage pathology was evaluated by gross visual, histology, and immunohistochemical assessments. Cell apoptosis was analyzed by TUNEL staining. Microcomputed tomography (micro-CT) was used to evaluate the bone mass and the microarchitecture in subchondral bone. Results Enhanced matrix catabolism, increased apoptosis of chondrocytes in cartilage, and overexpressed JAK2/STAT3 and p-JAK2/p-STAT3 were observed in cartilage in this model. All of these changes were prevented by PTH (1-34) treatment, with no significant difference between the low-dose and high-dose groups. Micro-CT analysis indicated that bone mineral density (BMD), bone volume/trabecular volume (BV/TV), and trabecular thickness (Tb.Th) levels were significantly lower in the OA group than those in the Sham, PTH 10 μg, and PTH 40 μg groups, but these parameters were significantly higher in the PTH 40 μg group than in the PTH 10 μg group. Conclusion Intermittent administration of PTH (1-34) exhibits protective effects on both cartilage and subchondral bone in a dose-dependent manner on the latter in a collagenase-induced OA mouse model, which may be involved in regulating the JAK2/STAT3 signalling pathway. Cite this article: Bone Joint Res 2020;9(10):675–688.
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Affiliation(s)
- Li-Tao Shao
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, China.,Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Yu Gou
- Department of Orthopaedic Surgery, Tianjin Hospital, Tianjin University, Tianjin, China
| | - Jia-Kang Fang
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Yun-Peng Hu
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Qiang-Qiang Lian
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Yu-Ying Zhang
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Yu-Dan Wang
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Fa-Ming Tian
- Medical Research Center, Hebei Key Laboratory for Organ Fibrosis, North China University of Science and Technology, Tangshan, China
| | - Liu Zhang
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, China.,Department of Orthopedic Surgery, Emergency General Hospital, Beijing, China
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Liu Q, Lane NE, Hunter D, Xing D, Li Z, Lin J, Zhang Y. Co-existing patterns of MRI lesions were differentially associated with knee pain at rest and on joint loading: a within-person knee-matched case-controls study. BMC Musculoskelet Disord 2020; 21:650. [PMID: 33023564 PMCID: PMC7541235 DOI: 10.1186/s12891-020-03686-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/29/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND To assess the association of co-existing MRI lesions with knee pain at rest or on joint loading. METHODS We included participants from Osteoarthritis Initiative whose pain score, measured by WOMAC sub-scales, differed by ≥1 point at rest (in bed at night, sitting/lying down) or on joint loading (walking, stairs) between two knees. Cartilage morphology, bone marrow lesions, meniscus extrusion, meniscus morphology, Hoffa's synovitis and synovitis-effusion were assessed using the compartment-specific MRI Osteoarthritis Knee Score. We performed latent class analyses to identify subgroups of co-existing MRI lesions and fitted a conditional logistic regression model to examine their associations with knee pain. RESULTS Among 130 eligible participants, we identified five subgroups of knees according to patterns of co-existing MRI lesions: I. minimal lesions; II. mild lesions; III. moderate morphological lesions; IV. moderate multiple reactive lesions; and V. severe lesions. Compared with subgroup I, the odds ratios (ORs) and 95% confidence intervals (CI) of greater pain in bed at night were 1.6 (0.3, 7.2), 2.2 (0.5, 9.5), 6.2 (1.3, 29.6) and 11.2 (2.1, 59.2) for subgroups II-V, respectively. A similar association was observed between aforementioned subgroups and pain with sitting/lying down. The ORs (95% CI) of greater pain with walking were 1.0 (reference), 1.7 (0.5, 6.1), 0.7 (0.2, 2.3), 5.0 (1.4, 18.6) and 7.9 (2.0, 31.5) for subgroup I-V, respectively. The corresponding analysis for pain on stairs showed similar results. CONCLUSIONS Distinct patterns of co-existing MRI lesions have different implications for the pathogenesis of osteoarthritic knee pain occurring with/without joint loading.
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Affiliation(s)
- Qiang Liu
- Peking University People's Hospital, Arthritis Clinic and Research Center, No.11 Xizhimen South Road, Xicheng District, Beijing, 100044, China.,Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, 55 Fruit St, Boston, MA, 02114, USA
| | - Nancy E Lane
- Center for Musculoskeletal Health, University of California, Davis School of Medicine, Sacramento, USA
| | - David Hunter
- Institute of Bone and Joint Research, The Kolling Institute, Sydney Medical School, The University of Sydney, Sydney, Australia
| | - Dan Xing
- Peking University People's Hospital, Arthritis Clinic and Research Center, No.11 Xizhimen South Road, Xicheng District, Beijing, 100044, China
| | - Zhikun Li
- Peking University People's Hospital, Arthritis Clinic and Research Center, No.11 Xizhimen South Road, Xicheng District, Beijing, 100044, China
| | - Jianhao Lin
- Peking University People's Hospital, Arthritis Clinic and Research Center, No.11 Xizhimen South Road, Xicheng District, Beijing, 100044, China.
| | - Yuqing Zhang
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, 55 Fruit St, Boston, MA, 02114, USA.
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Portier H, Benaitreau D, Pallu S. Does Physical Exercise Always Improve Bone Quality in Rats? Life (Basel) 2020; 10:life10100217. [PMID: 32977460 PMCID: PMC7598192 DOI: 10.3390/life10100217] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/17/2022] Open
Abstract
For decades, the osteogenic effect from different physical activities on bone in rodents remained uncertain. This literature review presents for the first time the effects on five exercise models (treadmill running, wheel running, swimming, resistance training and vibration modes) in three different experimental rat groups (males, females, osteopenic) on bone quality. The bone parameters presented are bone mineral density, micro-architectural and mechanical properties, and osteoblast/osteocyte and osteoclast parameters. This review shows that physical activities have a positive effect (65% of the results) on bone status, but we clearly observed a difference amongst the different protocols. Even if treadmill running is the most used protocol, the resistance training constitutes the first exercise model in term of osteogenic effects (87% of the whole results obtained on this model). The less osteogenic model is the vibration mode procedure (31%). It clearly appears that the gender plays a role on the bone response to swimming and wheel running exercises. Besides, we did not observe negative results in the osteopenic population with impact training, wheel running and vibration activities. Moreover, about osteoblast/osteocyte parameters, we conclude that high impact and resistance exercise (such jumps and tower climbing) seems to increase bone formation more than running or aerobic exercise. Among the different protocols, literature has shown that the treadmill running procedure mainly induces osteogenic effects on the viability of the osteocyte lineage in both males and females or ovariectomized rats; running in voluntary wheels contributes to a negative effect on bone metabolism in older male models; whole-body vertical vibration is not an osteogenic exercise in female and ovariectomized rats; whereas swimming provides controversial results in female models. For osteoclast parameters only, running in a voluntary wheel for old males, the treadmill running program at high intensity in ovariectomized rats, and the swimming program in a specific ovariectomy condition have detrimental consequences.
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Affiliation(s)
- Hugues Portier
- Laboratoire de Biologie Bioingénierie et Bioimagerie Ostéo-Articulaire (B3OA), Université Paris, UMR CNRS 7052, INSERM U1273, 10 Av de Verdun, 75010 Paris, France;
- Collegium Science & Technique, 2 allée du château, Université d’Orléans. 45100 Orléans, France;
- Correspondence: ; Tel.: +33-782-309-433
| | - Delphine Benaitreau
- Collegium Science & Technique, 2 allée du château, Université d’Orléans. 45100 Orléans, France;
| | - Stéphane Pallu
- Laboratoire de Biologie Bioingénierie et Bioimagerie Ostéo-Articulaire (B3OA), Université Paris, UMR CNRS 7052, INSERM U1273, 10 Av de Verdun, 75010 Paris, France;
- Collegium Science & Technique, 2 allée du château, Université d’Orléans. 45100 Orléans, France;
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Pang C, Wen L, Lu X, Luo S, Qin H, Zhang X, Zhu B, Luo S. Ruboxistaurin maintains the bone mass of subchondral bone for blunting osteoarthritis progression by inhibition of osteoclastogenesis and bone resorption activity. Biomed Pharmacother 2020; 131:110650. [PMID: 32882584 DOI: 10.1016/j.biopha.2020.110650] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022] Open
Abstract
Osteoarthritis (OA) is a common degenerative disease with a series of changes occurring in aging cartilage, such as increased oxidative stress, decreased markers of healthy cartilage and alterations in the autophagy pathway. And increasing evidence indicates that osteoarthritis affects the whole joint, including both cartilage and subchondral bone. The agents that can effectively suppress chondrocyte degradation and subchondral bone deterioration are crucial for the prevention and treatment of OA. Ruboxistaurin (RU), an orally active protein kinase C inhibitor, can reduce macrophage adhesion to endothelial cells and relieve the local inflammation when applicating in diabetes and kinds of aging-related vasculopathy, which were realized by its effects on decreasing inflammatory cytokines' expression and increasing cell anti-oxidative stress ability. However, whether ruboxistaurin protects against OA remains unknown. In this study, we investigated the therapeutic effects of ruboxistaurin in an anterior cruciate ligament transection (ACLT)-induced OA model by preventing the bone mass loss of subchondral bone. We found that ruboxistaurin can effectively alleviate ACLT-induced osteoarthritis, as demonstrated by the phenomenon of correcting pathological bone loss caused by osteoclasts overactivated in the early stage of osteoarthritis and protecting against articular cartilage degeneration. Moreover, we found that ruboxistaurin inhibited osteoclast formation and resorption activity by suppressing the expressions of osteoclast-related genes and (PKCδ/MAPKs) signaling cascade. Taken together, these results show that ruboxistaurin may be a potential therapeutic agent for rescuing abnormal subchondral bone deterioration and cartilage degradation in OA and reverses the vicious cycle related to osteoarthritis.
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Affiliation(s)
- Cong Pang
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China; Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang, China
| | - Liangbao Wen
- Department of Neurosurgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xuanyuan Lu
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, Zhejiang, China
| | - Shanchao Luo
- Guangxi Postdoctoral Innovation Practice Base, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China
| | - Haikuo Qin
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China
| | - Xuehui Zhang
- Department of Nuclear Medicine, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China
| | - Bikang Zhu
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China
| | - Shixing Luo
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, Guangxi, China.
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Shao YJ, Chen X, Chen Z, Jiang HY, Zhong DY, Wang YF, Yang HL, Saijilafu, Luo ZP. Sensory nerves protect from the progression of early stage osteoarthritis in mice. Connect Tissue Res 2020; 61:445-455. [PMID: 31274342 DOI: 10.1080/03008207.2019.1611796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Osteoarthritis (OA) is a chronic degenerative joint disease. Sensory nerves play an important role in bone metabolism and in the progression of inflammation. This study explored the effects of sensory nerve on OA progression at early stage in mice. MATERIALS AND METHODS OA was induced via destabilization of the medial meniscus (DMM) in C57BL/6 mice. Sensory denervation was induced by subcutaneous injection of capsaicin (90 mg/kg) one week prior to DMM. One week after capsaicin injection, sensory denervation in the tibia was confirmed by immunofluorescent staining. Four weeks after DMM, micro-CT scans, histological analysis, and RT-PCR tests were performed to evaluate OA progression. RESULTS Subcutaneous injection of capsaicin successfully induced sensory denervation in tibia. The Osteoarthritis Research Society International (OARSI) score and synovitis score of the capsaicin+DMM group were significantly higher than the score of the vehicle+DMM group. The BV/TV of the tibial subchondral bone in the capsaicin+DMM group was significantly lower than in the vehicle+DMM group. In addition, the level of expression of inflammatory factors in the capsaicin+DMM group was significantly higher than in the vehicle+DMM group. CONCLUSIONS Capsaicin-induced sensory denervation accelerated OA progression at early stage in mice. To put it another way, sensory nerve protects from OA progression at early stage in mice.
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Affiliation(s)
- Yi-Jie Shao
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China.,Department of Orthopedics, The First Affiliated Hospital of Soochow University , Suzhou, P.R. China
| | - Xi Chen
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China
| | - Zhi Chen
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China.,Department of Orthopedics, The First Affiliated Hospital of Soochow University , Suzhou, P.R. China
| | - Hua-Ye Jiang
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China.,Department of Orthopedics, The First Affiliated Hospital of Soochow University , Suzhou, P.R. China
| | - Dong-Yan Zhong
- Suzhou Gusu District Women & Children Health Care Institution , Suzhou, P.R. China
| | - Yi-Fan Wang
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China.,Department of Orthopedics, The First Affiliated Hospital of Soochow University , Suzhou, P.R. China
| | - Hui-Lin Yang
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China.,Department of Orthopedics, The First Affiliated Hospital of Soochow University , Suzhou, P.R. China
| | - Saijilafu
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China
| | - Zong-Ping Luo
- Orthopedic Institute, Medical College, Soochow University , Suzhou, P.R. China
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Pang C, Wen L, Qin H, Zhu B, Lu X, Luo S. Sotrastaurin, a PKC inhibitor, attenuates RANKL-induced bone resorption and attenuates osteochondral pathologies associated with the development of OA. J Cell Mol Med 2020; 24:8452-8465. [PMID: 32652826 PMCID: PMC7412701 DOI: 10.1111/jcmm.15404] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 04/29/2020] [Accepted: 05/03/2020] [Indexed: 12/19/2022] Open
Abstract
Osteoarthritis (OA) is a common degenerative disease that affects the musculoskeletal structure of the whole joint, which is characterized by progressive destruction of both articular cartilage and subchondral bone. Treatment of the bone pathologies, particularly osteoclast‐mediated subchondral bone loss in the early stages of OA, could prevent subsequent cartilage degeneration and progression of OA. In the present study, the PKC inhibitor, Sotrastaurin, was found to inhibit RANKL‐induced osteoclast formation in vitro in a dose‐ and time‐dependent manner. In particular, SO exerted its anti‐osteoclastic effect predominantly at the early stages of RANKL stimulation, suggesting inhibitory effects on precursor cell fusion. Using mature osteoclasts cultured on bovine bone discs, we showed that SO also exerts anti‐resorptive effects on mature osteoclasts bone resorptive function. Mechanistically, SO attenuates the early activation of the p38, ERK and JNK signalling pathways, leeding to impaired induction of crucial osteoclast transcription factors c‐Jun, c‐Fos and NFATc1. We also showed that SO treatment significantly inhibited the phosphorylation of PKCδ and MARCKS, an upstream regulator of cathepsin K secretion. Finally, in animal studies, SO significantly alleviates the osteochondral pathologies of subchondral bone destruction as well as articular cartilage degeneration following DMM‐induced OA, markedly improving OARSI scores. The reduced subchondral bone loss was associated with marked reductions in TRAP(+) osteoclasts in the subchondral bone tissue. Collectively, our data provide evidence for the protective effects of SO against OA by preventing aberrant subchondral bone and articular cartilage changes. Thus, SO demonstrates potential for further development as an alternative therapeutic option against OA.
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Affiliation(s)
- Cong Pang
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, China.,Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Liangbao Wen
- Department of Neurosurgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Haikuo Qin
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, China
| | - Bikang Zhu
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, China
| | - Xuanyuan Lu
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Shixing Luo
- Department of Orthopedics, The Ninth Affiliated Hospital of Guangxi Medical University, Beihai, China
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Wu J, Fan KJ, Wang QS, Xu BX, Cai Q, Wang TY. DMY protects the knee joints of rats with collagen-induced arthritis by inhibition of NF-κB signaling and osteoclastic bone resorption. Food Funct 2020; 11:6251-6264. [PMID: 32596704 DOI: 10.1039/d0fo00396d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Collagen-induced arthritis (CIA) is a widely used animal model for studying rheumatoid arthritis (RA), which manifests serious joint dysfunction, progressive bone erosion and articular cartilage destruction. Considering that joint damage in RA is caused by systemic inflammation and dihydromyricetin (DMY), the main flavonoid of Ampelopsis Michx, possesses anti-inflammatory properties, in the present study we have investigated the potential capability of DMY to inhibit inflammation-mediated joint damage and explore the underlying mechanisms. A rat model of RA induced by CIA was administered with DMY for 5 weeks. Prior to histological analysis, the knee joints were scanned by microcomputed tomography (μCT) to detect bone damage. Articular cartilage destruction was assessed by Alcian blue and Toluidine blue staining and the pathological alteration of osteoblasts and osteoclasts in joints was evaluated by hematoxylin-eosin (H&E) and tartrate-resistant acid phosphatase (TRAP) staining, respectively. The effects of DMY on osteoblast differentiation and osteoclast formation in vitro were investigated. Consistent with the in vivo results, DMY had no significant effect on osteoblast differentiation but an inhibitory effect on osteoclast formation. Furthermore, we determined that the mechanism of the DMY-suppressed osteoclast formation was blocking the phosphorylation of I-κB kinase (IKK) so as to hinder the activation of nuclear factor-κB (NF-κB). Collectively, DMY could ameliorate knee joint damage, especially in articular cartilage, which is the weight-bearing region, by inhibiting osteoclast formation through NF-κB signaling.
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Affiliation(s)
- Jing Wu
- Department of Pharmacy, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.
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Zeng Y, Zhou M, Mou S, Yang J, Yuan Q, Guo L, Zhong A, Wang J, Sun J, Wang Z. Sustained delivery of alendronate by engineered collagen scaffold for the repair of osteoporotic bone defects and resistance to bone loss. J Biomed Mater Res A 2020; 108:2460-2472. [PMID: 32419333 DOI: 10.1002/jbm.a.36997] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 04/09/2020] [Accepted: 04/19/2020] [Indexed: 12/17/2022]
Abstract
Researches of biomaterials for osteoporotic bone defects focus on the improvement of its anti-osteoporosis ability, due to osteoporosis is a kind of systemic and long-range bone metabolism disorder. Nevertheless, how to steadily deliver anti-osteoporosis drugs in osteoporotic bone defects is rarely studied. Reported evidences have shown that alendronate (Aln) is known to not only restrain osteoclasts from mediating bone resorption but also stimulate osteoblasts to regenerate bone tissue. Here, we developed an engineered implantable scaffold that could sustainably release Aln for osteoporotic bone defects. Briefly, Aln was added into 2% collagen (Col) solution to form a 5 mg/ml mixture. Then the mixture was filled into pre-designed round models (diameter: 5 mm, height: 2 mm) and crosslinked to obtain engineered Col-Aln scaffolds. The release kinetics showed that Aln was released at an average rate of 2.99 μg/d in the initial 8 days and could sustainably release for 1 month. To detect the repair effects of the Col-Aln scaffolds for osteoporotic defects, the Col and Col-Aln scaffolds were implanted into 5 mm cranial defects in ovariectomized rats. After 3 months, the cranial defects implanted with Col-Aln scaffolds achieved more bone regeneration in defect area (11.74 ± 3.82%) than Col scaffold (5.12 ± 1.15%) (p < .05). Moreover, ovariectomized rats in Col-Aln scaffold group possessed more trabecular bone in femur metaphysis than Col scaffold group as analyzed by Micro-CT. This study demonstrated the engineered Col-Aln scaffold has the potential to repair osteoporotic bone defects and resist bone loss in osteoporosis.
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Affiliation(s)
- Yuyang Zeng
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Muran Zhou
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Shan Mou
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Jie Yang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Quan Yuan
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Liang Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Aimei Zhong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Jiecong Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Jiaming Sun
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
| | - Zhenxing Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Wuhan Clinical Research Center for Superficial Organ Reconstruction, Wuhan, China
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Ter Heegde F, Luiz AP, Santana-Varela S, Magnúsdóttir R, Hopkinson M, Chang Y, Poulet B, Fowkes RC, Wood JN, Chenu C. Osteoarthritis-related nociceptive behaviour following mechanical joint loading correlates with cartilage damage. Osteoarthritis Cartilage 2020; 28:383-395. [PMID: 31911151 DOI: 10.1016/j.joca.2019.12.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 12/18/2019] [Accepted: 12/22/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE In osteoarthritis (OA), the pain-structure relationship remains complex and poorly understood. Here, we used the mechanical joint loading (MJL) model of OA to investigate both knee pathology and nociceptive behaviour. DESIGN MJL was used to induce OA in the right knees of 12-week-old male C57BL/6 mice (40 cycles, 9N, 3x/week for 2 weeks). Mechanical sensitivity thresholds and weight-bearing ratios were measured before loading and at weeks one, three and six post-loading. At these time points, separate groups of loaded and non-loaded mice (n = 12/group) were sacrificed, joints collected, and fur corticosterone levels measured. μCT analyses of subchondral bone integrity was performed before joint sections were prepared for nerve quantification, cartilage or synovium grading (scoring system from 0 to 6). RESULTS Loaded mice showed increased mechanical hypersensitivity paired with altered weight-bearing. Initial ipsilateral cartilage lesions 1-week post-loading (1.8 ± 0.4) had worsened at weeks three (3.0 ± 0.6, CI = -1.8-0.6) and six (2.8 ± 0.4, CI = -1.6-0.4). This increase in lesion severity correlated with mechanical hypersensitivity development (correlation; 0.729, P = 0.0071). Loaded mice displayed increased synovitis (3.6 ± 0.5) compared to non-loaded mice (1.5 ± 0.5, CI = -2.2-0.3) 1-week post-loading which returned to normal by weeks three and six. Similarly, corticosterone levels were only increased at week one post-loading (0.21 ± 0.04 ng/mg) compared to non-loaded controls (0.14 ± 0.01 ng/mg, CI = -1.8-0.1). Subchondral bone integrity and nerve volume remained unchanged. CONCLUSIONS Our data indicates that although the loading induces an initial stress reaction and local inflammation, these processes are not directly responsible for the nociceptive phenotype observed. Instead, MJL-induced allodynia is mainly associated with OA-like progression of cartilage lesions.
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Affiliation(s)
- F Ter Heegde
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK; Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - A P Luiz
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - S Santana-Varela
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - R Magnúsdóttir
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - M Hopkinson
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - Y Chang
- Research Office, Royal Veterinary College, London NW1 0TU, UK.
| | - B Poulet
- Muscoskeletal Biology, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool L69 3BX, UK.
| | - R C Fowkes
- Endocrine Signalling Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
| | - J N Wood
- Molecular Nociception Group, Wolfson Institute for Biomedical Research, University College London, London WC1E 6BT, UK.
| | - C Chenu
- Skeletal Biology Group, Comparative Biomedical Science, Royal Veterinary College, London NW1 0TU, UK.
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Hu P, Du J, Zhang S, Wang T, Li J, Chen G, Zhou G. Oral Administration of Strontium Gluconate Effectively Reduces Articular Cartilage Degeneration Through Enhanced Anabolic Activity of Chondrocytes and Chondrogenetic Differentiation of Mesenchymal Stromal Cells. Biol Trace Elem Res 2020; 193:422-433. [PMID: 31054068 DOI: 10.1007/s12011-019-01711-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 03/27/2019] [Indexed: 12/28/2022]
Abstract
Osteoarthritis (OA), a common degenerative disease affecting articular cartilage, is caused by multiple factors, and currently, there are few approaches to effectively delay its progression. This study aimed to evaluate whether a strontium compound (in the form of strontium gluconate, Glu-Sr) could reduce OA pathology severity in osteoarthritic rat models by directly targeting chondrocytes, including catabolic/anabolic activities and/or chondrogenic differentiation. Glu-Sr was administered to OA rats by oral gavage beginning during OA induction and continuing for 8 weeks. Glu-Sr treatment was found to significantly reduce cartilage degeneration and delay OA progression. Further examination showed that collagen II, Sox9, and aggrecan (ACAN) genes were up-regulated whereas IL-1β was down-regulated in chondrocytes isolated from Glu-Sr-treated rats. Glu-Sr also antagonized the catabolic effects of IL-1β on chondrocytes. Furthermore, Glu-Sr was shown to promote the chondrogenic differentiation of bone marrow mesenchymal stem cells (BMMSCs), possibly through promoting chondrogenic gene expression, including CTGF and FGF1, as revealed by RNA-sequencing (RNA-seq). These results suggest that systemic administration of Glu-Sr may be useful in prophylactic and therapeutic treatment of chronic cartilage degradation through affecting multiple steps from chondrogenic differentiation of progenitors to matrix formation in mature chondrocytes.
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Affiliation(s)
- Peilin Hu
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Health Sciences Center, Shenzhen University, Shenzhen, 518060, China
| | - Jie Du
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Health Sciences Center, Shenzhen University, Shenzhen, 518060, China
| | - Shuai Zhang
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Health Sciences Center, Shenzhen University, Shenzhen, 518060, China
| | - Ting Wang
- Shenzhen Alps Cell Technologies Ltd, Longhua District, Shenzhen, Guangdong Province, China
| | - Jun Li
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Health Sciences Center, Shenzhen University, Shenzhen, 518060, China
| | - Gang Chen
- Department of Orthopaedic Surgery, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi Province, China.
| | - Guangqian Zhou
- Department of Medical Cell Biology and Genetics, Guangdong Key Laboratory of Genomic Stability and Disease Prevention, Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, and Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Health Sciences Center, Shenzhen University, Shenzhen, 518060, China.
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Tsai LC, Cooper E, Hetzendorfer K, Warren G, Chang YH, Willett N. Effects of treadmill running and limb immobilization on knee cartilage degeneration and locomotor joint kinematics in rats following knee meniscal transection. Osteoarthritis Cartilage 2019; 27:1851-1859. [PMID: 31437580 PMCID: PMC7576441 DOI: 10.1016/j.joca.2019.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 07/25/2019] [Accepted: 08/07/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study examined the effects of reduced and elevated weight bearing on post-traumatic osteoarthritis (PTOA) development, locomotor joint kinematics, and degree of voluntary activity in rats following medial meniscal transection (MMT). DESIGN Twenty-one adult rats were subjected to MMT surgery of the left hindlimb and then assigned to one of three groups: (1) regular (i.e., no intervention), (2) hindlimb immobilization, or (3) treadmill running. Sham surgery was performed in four additional rats. Voluntary wheel run time/distance was measured, and 3D hindlimb kinematics were quantified during treadmill locomotion using biplanar radiography. Rats were euthanized 8 weeks after MMT or sham surgery, and the microstructure of the tibial cartilage and subchondral bone was quantified using contrast enhanced micro-CT. RESULTS All three MMT groups showed signs of PTOA (full-thickness lesions and/or increased cartilage volume) compared to the sham group, however the regular and treadmill-running groups had greater osteophyte formation than the immobilization group. For the immobilization group, increased volume was only observed in the anterior region of the cartilage. The treadmill-running group demonstrated a greater knee varus angle at mid-stance than the sham group, while the immobilization group demonstrated greater reduction in voluntary running than all the other groups at 2 weeks post-surgery. CONCLUSIONS Elevated weight-bearing via treadmill running at a slow/moderate speed did not accelerate PTOA in MMT rats when compared to regular weight-bearing. Reduced weight-bearing via immobilization may attenuate overall PTOA but still resulted in regional cartilage degeneration. Overall, there were minimal differences in hindlimb kinematics and voluntary running between MMT and sham rats.
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Affiliation(s)
- L.-C. Tsai
- Georgia State University, Atlanta, GA, USA,Address correspondence and reprint requests to: L.-C. Tsai, Department of Physical Therapy, Georgia State University, Atlanta, GA, USA. Tel: 404-413-1246. (L.-C. Tsai)
| | - E.S. Cooper
- Emory University, Atlanta, GA, USA,Georgia Institute of Technology, Atlanta, GA, USA
| | | | - G.L. Warren
- Georgia State University, Atlanta, GA, USA,Georgia Institute of Technology, Atlanta, GA, USA
| | - Y.-H. Chang
- Georgia Institute of Technology, Atlanta, GA, USA
| | - N.J. Willett
- Emory University, Atlanta, GA, USA,Georgia Institute of Technology, Atlanta, GA, USA,Atlanta VA Medical Center, Atlanta, GA, USA
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Martins JB, Mendonça VA, Aguiar GC, da Fonseca SF, Dos Santos JM, Tossige-Gomes R, Melo DDS, Oliveira MX, Leite HR, Camargos ACR, Ferreira AJ, Coimbra CC, Poortmans J, Oliveira VC, Silva SB, Domingues TE, Bernardo-Filho M, Lacerda ACR. Effect of a Moderate-Intensity Aerobic Training on Joint Biomarkers and Functional Adaptations in Rats Subjected to Induced Knee Osteoarthritis. Front Physiol 2019; 10:1168. [PMID: 31620012 PMCID: PMC6759700 DOI: 10.3389/fphys.2019.01168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/29/2019] [Indexed: 01/06/2023] Open
Abstract
Background Knee osteoarthritis (kOA) is a common chronic disease that induces changes in redox status and inflammatory biomarkers, cell death, and motor impairment. Aerobic training can be a non-pharmacological alternative to prevent the progression of the disease. Objective To evaluate the effects of an 8 weeks moderate-intensity treadmill aerobic training program on redox status and inflammatory biomarkers and motor performance in kOA-like changes induced by monosodium iodoacetate (MIA) in rats. Methods Twenty-seven rats were randomly divided into three groups: SHAM; induced kOA (OA); and induced kOA + aerobic training (OAE). Motor performance was evaluated by the number of falls on rotarod test, the total time of displacement and the number of failures on a 100 cm footbridge. Data for cytokines and histology were investigated locally, whereas plasma was used for redox status biomarkers. Results The OA group, compared to the SHAM group, increased 1.13 times the total time of displacement, 6.05 times the number of failures, 2.40 times the number of falls. There was also an increase in cytokine and in thiobarbituric acid reactive substances (TBARS) (IL1β: 5.55-fold, TNF: 2.84-fold, IL10: 1.27-fold, IL6: 1.50-fold, TBARS: 1.14-fold), and a reduction of 6.83% in the total antioxidant capacity (FRAP), and of 35% in the number of chondrocytes. The aerobic training improved the motor performance in all joint function tests matching to SHAM scores. Also, it reduced inflammatory biomarkers and TBARS level at values close to those of the SHAM group, with no change in FRAP level. The number of falls was explained by IL1β and TNF (58%), and the number of failures and the total time of displacement were also explained by TNF (29 and 21%, respectively). Conclusion All findings indicate the efficacy of moderate-intensity aerobic training to regulate inflammatory biomarkers associated with improved motor performance in induced kOA-like changes, thus preventing the loss of chondrocytes.
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Affiliation(s)
- Jeanne Brenda Martins
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Vanessa Amaral Mendonça
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Grazielle Cordeiro Aguiar
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Sueli Ferreira da Fonseca
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Jousielle Márcia Dos Santos
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Rosalina Tossige-Gomes
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Dirceu de Sousa Melo
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Murilo Xavier Oliveira
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Hércules Ribeiro Leite
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | | | - Anderson José Ferreira
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Cândido Celso Coimbra
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Jacques Poortmans
- Faculty of Motor Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Vinícius Cunha Oliveira
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Sara Barros Silva
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Talita Emanuela Domingues
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Mário Bernardo-Filho
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Cristina Rodrigues Lacerda
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
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Fujii Y, Inoue H, Arai Y, Shimomura S, Nakagawa S, Kishida T, Tsuchida S, Kamada Y, Kaihara K, Shirai T, Terauchi R, Toyama S, Ikoma K, Mazda O, Mikami Y. Treadmill Running in Established Phase Arthritis Inhibits Joint Destruction in Rat Rheumatoid Arthritis Models. Int J Mol Sci 2019; 20:ijms20205100. [PMID: 31618828 PMCID: PMC6834114 DOI: 10.3390/ijms20205100] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/10/2019] [Accepted: 10/13/2019] [Indexed: 12/14/2022] Open
Abstract
Exercise therapy inhibits joint destruction by suppressing pro-inflammatory cytokines. The efficacy of pharmacotherapy for rheumatoid arthritis differs depending on the phase of the disease, but that of exercise therapy for each phase is unknown. We assessed the differences in the efficacy of treadmill running on rheumatoid arthritis at various phases, using rat rheumatoid arthritis models. Rats with collagen-induced arthritis were used as rheumatoid arthritis models, and the phase after immunization was divided as pre-arthritis and established phases. Histologically, the groups with forced treadmill running in the established phase had significantly inhibited joint destruction compared with the other groups. The group with forced treadmill running in only the established phase had significantly better bone morphometry and reduced expression of connexin 43 and tumor necrosis factor α in the synovial membranes compared with the no treadmill group. Furthermore, few cells were positive for cathepsin K immunostaining in the groups with forced treadmill running in the established phase. Our results suggest that the efficacy of exercise therapy may differ depending on rheumatoid arthritis disease activity. Active exercise during phases of decreased disease activity may effectively inhibit arthritis and joint destruction.
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MESH Headings
- Animals
- Arthritis, Experimental
- Arthritis, Rheumatoid/diagnostic imaging
- Arthritis, Rheumatoid/etiology
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/pathology
- Biomarkers
- Body Weight
- Bone Resorption/diagnostic imaging
- Bone Resorption/metabolism
- Cartilage, Articular/diagnostic imaging
- Cartilage, Articular/metabolism
- Cartilage, Articular/pathology
- Connexin 43/metabolism
- Cytokines/metabolism
- Disease Models, Animal
- Inflammation Mediators/metabolism
- Physical Conditioning, Animal
- Rats
- Synovial Membrane/metabolism
- Synovial Membrane/pathology
- Tumor Necrosis Factor-alpha/metabolism
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Affiliation(s)
- Yuta Fujii
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Hiroaki Inoue
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Yuji Arai
- Department of Sports and Para-Sports Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Seiji Shimomura
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Shuji Nakagawa
- Department of Sports and Para-Sports Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Tsunao Kishida
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Shinji Tsuchida
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Yoichiro Kamada
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Kenta Kaihara
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Toshiharu Shirai
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Ryu Terauchi
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Shogo Toyama
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Kazuya Ikoma
- Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Osam Mazda
- Department of Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Yasuo Mikami
- Department of Rehabilitation Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan.
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Holyoak DT, Chlebek C, Kim MJ, Wright TM, Otero M, van der Meulen MCH. Low-level cyclic tibial compression attenuates early osteoarthritis progression after joint injury in mice. Osteoarthritis Cartilage 2019; 27:1526-1536. [PMID: 31265883 PMCID: PMC6814162 DOI: 10.1016/j.joca.2019.06.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 06/02/2019] [Accepted: 06/06/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Mechanical loading and joint health have a unique relationship in osteoarthritis (OA) onset and progression. Although high load levels adversely affect cartilage health, exercise that involves low to moderate load levels can alleviate OA symptoms. We sought to isolate the beneficial effects of mechanical loading using controlled in vivo cyclic tibial compression. We hypothesized that low-level cyclic compression would attenuate post-traumatic OA symptoms induced by destabilization of the medial meniscus (DMM). METHODS 10-week-old C57Bl/6J male mice underwent DMM surgery (n = 51). After a 5-day post-operative recovery period, we applied daily cyclic tibial compression to the operated limbs at low (1.0N or 2.0N) or moderate (4.5N) magnitudes for 2 or 6 weeks. At the completion of loading, we compared cartilage and peri-articular bone features of mice that underwent DMM and loading to mice that only underwent DMM. RESULTS Compared to DMM alone, low-level cyclic compression for 6 weeks attenuated DMM-induced cartilage degradation (OARSI score, P = 0.008, 95% confidence interval (CI): 0.093 to 0.949). Low-level loading attenuated DMM-induced osteophyte formation after 2 weeks (osteophyte size, P = 0.033, 95% CI: 3.27-114.45 μm), and moderate loading attenuated subchondral bone sclerosis after 6 weeks (tissue mineral density (TMD), P = 0.011, 95% CI: 6.32-70.60 mg HA/ccm) compared to limbs that only underwent DMM. Finally, loading had subtle beneficial effects on cartilage cellularity and aggrecanase activity after DMM. CONCLUSION Low-level cyclic compression is beneficial to joint health after an injury. Therefore, the progression of early OA may be attenuated by applying well controlled, low-level loading shortly following joint trauma.
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Affiliation(s)
| | - C Chlebek
- Cornell University, Ithaca, NY, USA.
| | - M J Kim
- Cornell University, Ithaca, NY, USA.
| | - T M Wright
- Cornell University, Ithaca, NY, USA; Hospital for Special Surgery, New York, NY, USA; Weill Cornell Medicine, New York, NY, USA.
| | - M Otero
- Hospital for Special Surgery, New York, NY, USA.
| | - M C H van der Meulen
- Cornell University, Ithaca, NY, USA; Hospital for Special Surgery, New York, NY, USA.
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Zhang H, Ji L, Yang Y, Wei Y, Zhang X, Gang Y, Lu J, Bai L. The Therapeutic Effects of Treadmill Exercise on Osteoarthritis in Rats by Inhibiting the HDAC3/NF-KappaB Pathway in vivo and in vitro. Front Physiol 2019; 10:1060. [PMID: 31481898 PMCID: PMC6710443 DOI: 10.3389/fphys.2019.01060] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 08/02/2019] [Indexed: 01/03/2023] Open
Abstract
Osteoarthritis (OA) is a disease characterized by non-bacterial inflammation. Histone deacetylase 3 (HDAC3) is a crucial positive regulator in the inflammation that leads to the development of non-OA inflammatory disease. However, the precise involvement of HDAC3 in OA is still unknown, and the underlying mechanism of exercise therapy in OA requires more research. We investigated the involvement of HDAC3 in exercise therapy-treated OA. Expression levels of HDAC3, a disintegrin and metalloproteinase with thrombospondin motifs-5 (ADAMTS-5), matrix metalloproteinase-13 (MMP-13), HDAC3 and nuclear factor-kappaB (NF-kappaB) were measured by western blotting, reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry. Cartilage damage and OA evaluation were measured by hematoxylin and eosin staining and Toluidine blue O staining according to the Mankin score and OARSI score, respectively. We found that moderate-intensity treadmill exercise could relieve OA. Meanwhile, the expression of HDAC3, MMP-13, ADAMTS-5 and NF-kappaB decreased, and collagen II increased in the OA + moderate-intensity treadmill exercise group (OAM) compared with the OA group (OAG) or OA + high- or low-intensity treadmill exercise groups (OAH or OAL). Furthermore, we found the selective HDAC3 inhibitor RGFP966 could also alleviate inflammation in OA rat model through inhibition of nuclear translocation of NF-kappaB. To further explore the relationship between HDAC3 and NF-kappaB, we investigated the change of NF-kappaB relocation in IL-1β-treated chondrocytes under the stimulation of RGFP966. We found that RGFP966 could inhibit the expression of inflammatory markers of OA via regulation of HDAC3/NF-kappaB pathway. These investigations revealed that RGFP966 is therefore a promising new drug for treating OA.
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Affiliation(s)
- He Zhang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lu Ji
- Department of Gynecology and Obstetrics, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yue Yang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yingliang Wei
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Xiaoning Zhang
- Department of Anesthesiology Department, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yi Gang
- Department of Orthopedic Surgery, Panjin Central Hospital, Panjin, China
| | - Jinghan Lu
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
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Bei M, Tian F, Liu N, Zheng Z, Cao X, Zhang H, Wang Y, Xiao Y, Dai M, Zhang L. A Novel Rat Model of Patellofemoral Osteoarthritis Due to Patella Baja, or Low-Lying Patella. Med Sci Monit 2019; 25:2702-2717. [PMID: 30979862 PMCID: PMC6476235 DOI: 10.12659/msm.915018] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Background Patella baja, or patella infera, consists of a low-lying patella that results in a limited range of motion, joint pain, and crepitations. Patellofemoral joint osteoarthritis (PFJOA) is a subtype OA of the knee. This study aimed to develop a reproducible and reliable rat model of PFJOA. Material/Methods Three-month-old female Sprague-Dawley rats (n=24) included a baseline group (n=8) that were euthanized at the beginning of the study. The sham group (n=8), and the patella ligament shortening (PLS) group (n=8) were euthanized and evaluated at ten weeks. The PLS model group (n=8) underwent insertion of a Kirschner wire under the patella tendon to induce patella baja. At ten weeks, the sham group and the PLS group were compared using X-ray imaging, macroscopic appearance, histology, immunohistochemistry, TUNEL staining for apoptosis, and micro-computed tomography (micro-CT). The patella height was determined using the modified Insall-Salvati (MIS) ratio. Results The establishment of the rat model of patella baja in the PLS group at ten weeks was confirmed by X-ray. In the PLS group, patella volume, sagittal length, and cross-sectional area were significantly increased compared with the sham group. The PFJ showed typical lesions of OA, confirmed macroscopically and histologically. Compared with the sham group, in the rat model of PFJOA, there was increased cell apoptosis, and immunohistochemistry showed increased expression of biomarkers of osteoarthritis, compared with the sham group. Conclusions A rat model of PFJOA was developed that was confirmed by changes in cartilage and subchondral bone.
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Affiliation(s)
- Mingjian Bei
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Faming Tian
- Meical Research Center, North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Ning Liu
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Zhiyuan Zheng
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Xuehui Cao
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Hongfei Zhang
- Meical Research Center, North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Yudan Wang
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Yaping Xiao
- Department of Orthopedic Surgery, The Affiliated Hospital of North China University of Science and Technology, Tangshan, Hebei, China (mainland)
| | - Muwei Dai
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
| | - Liu Zhang
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, Hebei, China (mainland).,Department of Orthopedic Surgery, Meitan General Hospital, Beijing, China (mainland)
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Alterations of autophagy in knee cartilage by treatment with treadmill exercise in a rat osteoarthritis model. Int J Mol Med 2018; 43:336-344. [PMID: 30365059 PMCID: PMC6257837 DOI: 10.3892/ijmm.2018.3948] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 10/19/2018] [Indexed: 12/11/2022] Open
Abstract
The aim of the present study was to investigate potential alterations in the articular cartilage in a rat model of monosodium iodoacetate (MIA)-induced osteoarthritis (OA) with or without treatment with moderate treadmill exercise. A total of 30 male Sprague-Dawley rats were randomly divided into three groups (n=10), including the control, OA and OA with treadmill exercise (OAE) groups. Rats were evaluated upon completing the treadmill exercise program (speed, 18 m/min; 30 min/day; 5 days/week for 4 weeks). Interleukin (IL)-1β and IL-4 levels in the serum and intra-articular lavage fluid (IALF) were measured by ELISA. Alterations in articular cartilage and synovium were also evaluated by histology, immunohistochemistry, western blotting and reverse transcription-quantitative polymerase chain reaction. The results revealed that IL-1β in the serum and IALF decreased in the OAE group, whereas IL-4 increased, and histological evaluation indicated that the OAE group had a clear treatment response. However, the expression of type II collagen in the articular cartilage increased in the OAE group as compared with the OA group, whereas ADAMTS5 expression decreased. In contrast to light chain 3B (LC3B), the protein expression levels of BECLIN1 and sequestosome 1 (SQSTM1) were increased in the OA group. In addition, a significant increase was observed between OA and OAE groups in LC3B and SQSTM1 protein levels, whereas no change was observed in BECLIN1 levels between the OA and OAE groups in the superficial and deep zones. The results of western blotting demonstrated that LC3II was notably decreased in the OA group and partially increased in the OAE group. The mRNA expression levels of LC3B and SQSTM1 increased in the OA and OAE groups, with a significant difference observed between the two groups, while a concomitant decrease was detected in BECLIN1 levels. In conclusion, 30 min of treadmill exercise had an evident protective effect in the articular cartilage of rats with MIA-induced OA and may promote autophagy in the articular cartilage.
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Morita Y, Ito H, Ishikawa M, Fujii T, Furu M, Azukizawa M, Okahata A, Tomizawa T, Kuriyama S, Nakamura S, Nishitani K, Yoshitomi H, Matsuda S. Subchondral bone fragility with meniscal tear accelerates and parathyroid hormone decelerates articular cartilage degeneration in rat osteoarthritis model. J Orthop Res 2018; 36:1959-1968. [PMID: 29251375 DOI: 10.1002/jor.23840] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 12/14/2017] [Indexed: 02/04/2023]
Abstract
The aims of this study were to investigate the influence of subchondral bone fragility (SBF) on the progression of the knee osteoarthritis by using a novel rat model, and to examine the preventive effect of parathyroid hormone (PTH) on cartilage degeneration. First, 40 rats were assigned to the following four groups: Sham, SBF, Medial meniscal tear (MMT), and MMT + SBF groups. In SBF and MMT + SBF groups, we induced SBF by microdrilling the subchondral bone. Second, 10 additional rats were randomly assigned to the following two groups: MMT + SBF + saline and MMT + SBF + PTH groups. Osteoarthritic changes in the articular cartilage and subchondral bone were evaluated using safranin-O/fast green staining, matrix metalloproteinase-13 (MMP-13), and type X collagen immunohistochemistry, toluidine blue staining, and micro-CT scanning. The combination of SBF and meniscal tear increased the number of mast cells in the subchondral bone, and led to the abnormal subchondral bone microarchitecture, such as abnormally decreased trabecular number and increased trabecular thickness, compared with meniscal tear alone. Moreover, SBF with meniscal tear enhanced articular cartilage degeneration and increased the expression of MMP-13 and type X collagen, compared with meniscal tear alone. The administration of PTH decreased the number of mast cells in the subchondral bone and improved the microstructural parameters of the subchondral bone, and delayed the progression of articular cartilage degeneration. These results suggest that SBF is one of the factors underlying the osteoarthritis development, especially in knees with traumatic osteoarthritis, and that the administration of PTH is a potential therapeutic treatment for preventing OA progression. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1959-1968, 2018.
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Affiliation(s)
- Yugo Morita
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Hiromu Ito
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Masahiro Ishikawa
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Takayuki Fujii
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Moritoshi Furu
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan.,Department of the Control for Rheumatic Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masayuki Azukizawa
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Akinori Okahata
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Takuya Tomizawa
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Shinichi Kuriyama
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Shinichiro Nakamura
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Kohei Nishitani
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Hiroyuki Yoshitomi
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
| | - Shuichi Matsuda
- Department of Orthopedic Surgery, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo, Kyoto, Japan
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