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Huang K, Liu X, Qin H, Li Y, Zhu J, Yin B, Zheng Q, Zuo C, Cao H, Tong Z, Sun Z. FGF18 encoding circular mRNA-LNP based on glycerolipid engineering of mesenchymal stem cells for efficient amelioration of osteoarthritis. Biomater Sci 2024; 12:4427-4439. [PMID: 39037353 DOI: 10.1039/d4bm00668b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
Mesenchymal stem cells (MSCs) exhibit substantial potential for osteoarthritis (OA) therapy through cartilage regeneration, yet the realization of optimal therapeutic outcomes is hampered by their limited intrinsic reparative capacities. Herein, MSCs are engineered with circular mRNA (cmRNA) encoding fibroblast growth factor 18 (FGF18) encapsulated within lipid nanoparticles (LNP) derived from a glycerolipid to facilitate OA healing. A proprietary biodegradable and ionizable glycerolipid, TG6A, with branched tails and five ester bonds, forms LNP exhibiting above 9-fold and 41-fold higher EGFP protein expression in MSCs than commercial LNP from DLin-MC3-DMA and ALC-0315, respectively. The introduction of FGF18 not only augmented the proliferative capacity of MSCs but also upregulated the expression of chondrogenic genes and glycosaminoglycan (GAG) content. Additionally, FGF18 enhanced the production of proteoglycans and type II collagen in chondrocyte pellet cultures in a three-dimensional culture. In an OA rat model, transplantation with FGF18-engineered MSCs remarkably preserved cartilage integrity and facilitated functional repair of cartilage lesions, as evidenced by thicker cartilage layers, reduced histopathological scores, maintenance of zone structure, and incremental type II collagen and extracellular matrix (ECM) deposition. Taken together, our findings suggest that TG6A-based LNP loading with cmRNA for engineering MSCs present an innovative strategy to overcome the current limitations in OA treatment.
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Affiliation(s)
- Ke Huang
- Department of Chemical and Biological Engineering, Monash University, Clayton, VIC 3800, Australia
- Suzhou Industrial Park Monash Research Institute of Science and Technology, Suzhou, 215000, China
| | - Xiaoyun Liu
- Jiangsu Purecell Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Haitang Qin
- Jiangsu Purecell Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Yingwen Li
- Suzhou CureMed Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Jiafeng Zhu
- Suzhou CureMed Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Bo Yin
- National University of Singapore (Suzhou) Research Institute, Suzhou, 215123, China.
| | - Qijun Zheng
- Department of Chemical and Biological Engineering, Monash University, Clayton, VIC 3800, Australia
- Suzhou Industrial Park Monash Research Institute of Science and Technology, Suzhou, 215000, China
| | - Chijian Zuo
- Suzhou CureMed Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Hui Cao
- Jiangsu Purecell Biopharma Technology Co., Ltd, Suzhou 215125, China.
| | - Zhenbo Tong
- Southeast University-Monash University Joint Research Institute, Suzhou 215125, China
| | - Zhenhua Sun
- Suzhou CureMed Biopharma Technology Co., Ltd, Suzhou 215125, China.
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Kaiser JM, Bernard FC, Pucha K, Raval SK, Eng T, Fulton T, Anderson SE, Allen KD, Dixon JB, Willett NJ. Mild exercise expedites joint clearance and slows joint degradation in a joint instability model of osteoarthritis in male rats. Osteoarthritis Cartilage 2024; 32:912-921. [PMID: 38642879 DOI: 10.1016/j.joca.2024.03.120] [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: 06/28/2023] [Revised: 03/10/2024] [Accepted: 03/12/2024] [Indexed: 04/22/2024]
Abstract
OBJECTIVE Exercise remains a hallmark treatment for post-traumatic osteoarthritis (PTOA) and may maintain joint homeostasis in part by clearing inflammatory cytokines, cells, and particles. It remains largely unknown whether exercise-induced joint clearance can provide therapeutic relief of PTOA. In this study, we hypothesized that exercise could slow the progression of preclinical PTOA in part by enhancing knee joint clearance. DESIGN Surgical medial meniscal transection was used to induce PTOA in 3-month-old male Lewis rats. A sham surgery was used as a control. Mild treadmill walking was introduced 3 weeks post-surgery and maintained to 6 weeks post-surgery. Gait and isometric muscle torque were measured at the study endpoint. Near-infrared imaging tracked how exercise altered lymphatic and venous knee joint clearance during discrete time points of PTOA progression. RESULTS Exercise mitigated joint degradation associated with PTOA by preserving glycosaminoglycan content and reducing osteophyte volume (effect size (95% Confidence Interval (CI)); 1.74 (0.71-2.26)). PTOA increased hind step widths (0.57 (0.18-0.95) cm), but exercise corrected this gait dysfunction (0.54 (0.16-0.93) cm), potentially indicating pain relief. Venous, but not lymphatic, clearance was quicker 1-, 3-, and 6-weeks post-surgery compared to baseline. The mild treadmill walking protocol expedited lymphatic clearance rate in moderate PTOA (3.39 (0.20-6.59) hrs), suggesting exercise may play a critical role in restoring joint homeostasis. CONCLUSIONS We conclude that mild exercise has the potential to slow disease progression in part by expediting joint clearance in moderate PTOA.
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Affiliation(s)
- Jarred M Kaiser
- Atlanta Veterans Affairs Hospital, Decatur, GA, USA; Emory University School of Medicine, Decatur, GA, USA.
| | - Fabrice C Bernard
- Emory University School of Medicine, Decatur, GA, USA; Georgia Institute of Technology, Atlanta, GA, USA.
| | - Krishna Pucha
- Emory University School of Medicine, Decatur, GA, USA.
| | | | - Tracy Eng
- Atlanta Veterans Affairs Hospital, Decatur, GA, USA; Emory University School of Medicine, Decatur, GA, USA.
| | - Travis Fulton
- Atlanta Veterans Affairs Hospital, Decatur, GA, USA; Emory University School of Medicine, Decatur, GA, USA.
| | - Shannon E Anderson
- Emory University School of Medicine, Decatur, GA, USA; Georgia Institute of Technology, Atlanta, GA, USA.
| | | | - J Brandon Dixon
- Emory University School of Medicine, Decatur, GA, USA; Georgia Institute of Technology, Atlanta, GA, USA.
| | - Nick J Willett
- Atlanta Veterans Affairs Hospital, Decatur, GA, USA; Emory University School of Medicine, Decatur, GA, USA; Georgia Institute of Technology, Atlanta, GA, USA; Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA.
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3
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Zhang Z, Yao P, Fan S. Advances in regenerative rehabilitation in the rehabilitation of musculoskeletal injuries. Regen Med 2024:1-10. [PMID: 38860852 DOI: 10.1080/17460751.2024.2357956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/17/2024] [Indexed: 06/12/2024] Open
Abstract
In the rapidly advancing field of regenerative medicine, relying solely on cell transplantation alone may be insufficient for achieving functional recovery, and rehabilitation before and after transplantation is crucial. Regenerative rehabilitation functions by synergizing the therapeutic effects of regeneration and rehabilitation to maximize tissue regeneration and patient function. We used the keywords "regenerative rehabilitation" to search across the database for published works; this review discusses the development of regenerative rehabilitation for the treatment of musculoskeletal injuries. Rehabilitation has become a crucial component of regenerative medicine because it can enhance patients' functional activity and facilitate their early return to society. Experimental data increasingly demonstrates that rehabilitation interventions support the regeneration of transplanted tissues.
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Affiliation(s)
- Zirui Zhang
- University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Pengfei Yao
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Shuai Fan
- Department of Rehabilitation Medicine, The Ninth People's Hospital of Shanghai, Jiao Tong University, 639, Manufacturing Bureau Road, Huangpu District, Shanghai, 200000, PR China
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Padhye AA, Meardon SA, Kulas A, Willson J. Lower extremity joint contact force symmetry during walking and running, 2-7 years post-ACL reconstruction. J Orthop Res 2024; 42:1009-1019. [PMID: 38044474 DOI: 10.1002/jor.25751] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/15/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
Premature osteoarthritis after anterior cruciate ligament reconstruction (ACLR) is common among athletes. Reduced knee contact forces after ACLR likely contribute to the multifactorial etiology of the disease. Whether this reduction is accompanied by compensatory increases in joint contact forces (JCF) at adjacent or contralateral joints is unclear. It is also unclear if compensatory effects depend on the task demands. Thus, we compared hip, knee, and ankle JCF symmetry between individuals with reconstruction and a matched control group during walking and running. Thirty participants (19 females), 2-7 years post-unilateral ACLR (mean = 47.8 months), and 30 controls matched on sex, mass, and activity level were recruited. Limb symmetry indices of peak contact forces and force impulses were calculated for each joint during walking and running, and analyzed using two-factor (group, activity) analysis of variances. Lower ACLR group peak knee JCF (p = 0.009) and knee JCF impulse (p = 0.034) during walking and running were observed. An interaction of group and activity was observed for peak hip JCF, with ACLR participants demonstrating greater involved limb peak hip JCF during running (p = 0.012). Ankle JCF and ground reaction force symmetry indices were not different between groups or across tasks. Decreased knee and increased ipsilateral peak hip JCF during running suggests that proximal adaptations exist at 2-7 years after ACLR, particularly during activities with increased task demand. Clinical significance: Knee and hip JCF asymmetry at 2-7 years after ACLR may underscore a need for clinical strategies and follow-up assessments to identify and target such outcomes.
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Affiliation(s)
- Ankur Anand Padhye
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
| | - Stacey A Meardon
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
| | - Anthony Kulas
- Kinesiology Department, East Carolina University, Greenville, North Carolina, USA
| | - John Willson
- Department of Physical Therapy, East Carolina University, Greenville, North Carolina, USA
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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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Yin Y, Zhang Y, Guo L, Li P, Wang D, Huang L, Zhao X, Wu G, Li L, Wei X. Effect of Moderate Exercise on the Superficial Zone of Articular Cartilage in Age-Related Osteoarthritis. Diagnostics (Basel) 2023; 13:3193. [PMID: 37892013 PMCID: PMC10605492 DOI: 10.3390/diagnostics13203193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
This study aimed to evaluate the effect of exercise on the superficial zone of the osteoarticular cartilage during osteoarthritis progression. Three-month-old, nine-month-old, and eighteen-month-old Sprague Dawley rats were randomly divided into two groups, moderate exercise and no exercise, for 10 weeks. Histological staining, immunostaining, and nanoindentation measurements were conducted to detect changes in the superficial zone. X-ray and micro-CT were quantitated to detect alterations in the microarchitecture of the tibial subchondral bone. Cells were extracted from the superficial zone of the cartilage under fluid-flow shear stress conditions to further verify changes in vitro. The number of cells and proteoglycan content in the superficial zone increased more in the exercise group than in the control group. Exercise can change the content and distribution of collagen types I and III in the superficial layer. In addition, TGFβ/pSmad2/3 and Prg4 expression levels increased under the intervention of exercise on the superficial zone. Exercise can improve the Young's modulus of the cartilage and reduce the abnormal subchondral bone remodeling which occurs after superficial zone changes. Moderate exercise delays the degeneration of the articular cartilage by its effect on the superficial zone, and the TGFβ/pSmad2/3 signaling pathways and Prg4 play an important role.
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Affiliation(s)
- Yukun Yin
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Yuanyu Zhang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Li Guo
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Pengcui Li
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Dongming Wang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Lingan Huang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
- Beijing Key Laboratory of Sports Injuries, Department of Sports Medicine, Peking University Third Hospital, Peking University, Beijing 100191, China
| | - Xiaoqin Zhao
- College of Physical Education, Taiyuan University of Technology, Taiyuan 030024, China;
| | - Gaige Wu
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Lu Li
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Xiaochun Wei
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
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Dzidzishvili L, Calvo E, López-Torres II. Medial Meniscus Posterior Root Repair Reduces but Does Not Avoid Histologic Progression of Osteoarthritis: Randomized In Vivo Experimental Study in a Rabbit Model. Am J Sports Med 2023; 51:2964-2974. [PMID: 37589243 DOI: 10.1177/03635465231188527] [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] [Indexed: 08/18/2023]
Abstract
BACKGROUND The optimal treatment option for meniscus root tears is still challenging, and whether the meniscus root repair ultimately can arrest or delay osteoarthritic changes is still a concern. PURPOSE/HYPOTHESIS The purpose of this study was 2-fold: (1) to describe and compare histopathologic findings of 3 different therapeutic options for medial meniscus posterior root tear: nonoperative management, partial meniscectomy, and meniscus root repair; and (2) to test the hypothesis that meniscus root tears treated nonoperatively predispose to a lower risk of osteoarthritic progression compared with partial meniscectomy. STUDY DESIGN Controlled laboratory study. METHODS Posteromedial meniscus root tears were carried out in 39 New Zealand White rabbits. Animals were randomly assigned into 3 experimental groups: partial meniscectomy after root tear (PM; n = 13), root tears treated conservatively (CT; n = 13), and transtibial root repair (RR; n = 13). Contralateral limbs were used as healthy controls. The animals were euthanized at 16 weeks postoperatively; tissue samples of femoral and tibial articular cartilage were collected and processed for macro- and microscopic assessment to detect signs of early osteoarthritis (OA). Each sample was histopathologically assessed using the Osteoarthritis Research Society International grading and staging system. RESULTS Osteoarthritic changes were the hallmark in all 3 experimental groups. The RR group had the lowest scores for cartilage damage (mean, 2.5; range, 2-3), and the PM group exhibited higher and more severe signs of OA (mean, 16; range, 9-16) compared with the CT group (mean, 5; range, 4-6). The between-group comparison revealed significant differences, as the PM group showed a significantly higher rate of macro- and microscopic osteoarthritic changes compared with the RR (P < .001) and CT (P < .001) groups. The weightbearing area of the medial femoral condyle was the most severely affected, and tidemark disruption was evident in all tissue samples. CONCLUSION Meniscus root repair cannot completely arrest the histopathologic progression of knee OA but leads to significantly less severe degenerative changes than partial meniscectomy and nonoperative treatment. Partial meniscectomy leads to the most severe osteoarthritic progression, while stable radial tears left in situ have lower progression compared with partial meniscectomy. CLINICAL RELEVANCE Histologic assessment is an essential tool and metric for guiding and understanding osteoarthritic features, providing insight into the disease development and progression. This study provides histopathologic evidence on osteoarthritic progression after medial meniscus posterior root repair. This knowledge can help to set more realistic expectations and can lead to the future development of augmented techniques.
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Affiliation(s)
- Lika Dzidzishvili
- Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Emilio Calvo
- Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
| | - Irene Isabel López-Torres
- Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Fundación Jiménez Díaz, IIS-Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Madrid, Spain
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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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Oka Y, Murata K, Ozone K, Minegishi Y, Kano T, Shimada N, Kanemura N. Mild treadmill exercise inhibits cartilage degeneration via macrophages in an osteoarthritis mouse model. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100359. [PMID: 37180812 PMCID: PMC10172924 DOI: 10.1016/j.ocarto.2023.100359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 03/27/2023] [Indexed: 05/16/2023] Open
Abstract
Objective We previously reported how treadmill exercise can suppress cartilage degeneration. Here, we examined the changes in macrophage dynamics in knee osteoarthritis (OA) during treadmill exercise and the effect of macrophage depletion. Design OA mouse model, generated via anterior cruciate ligament transection (ACLT), was subjected to treadmill exercise of different intensities to investigate the effects on cartilage and synovium. In addition, clodronate liposomes, which deplete macrophages, were injected intra-articularly into the joint to examine the role of macrophages during treadmill exercise. Results Cartilage degeneration was delayed by mild exercise, and concomitantly, an increase in anti-inflammatory factors in the synovium was observed, with a decrease in the M1 and increase in M2 macrophage ratio. On the contrary, high-intensity exercise led to the progress of cartilage degeneration and was associated with an increase in the M1 and a decrease in the M2 macrophage ratio. The clodronate liposome-induced reduction of synovial macrophages delayed cartilage degeneration. This phenotype was reversed by simultaneous treadmill exercise. Conclusions Treadmill exercise, especially at high intensity, was detrimental to articular cartilage, whereas mild exercise reduced cartilage degeneration. Moreover, M2 macrophage response appeared necessary for the chondroprotective effect of treadmill exercise. This study indicates the importance of a more comprehensive analysis of the effects of treadmill exercise, not limited to the mechanical stress added directly to cartilage. Hence, our findings might help determine the type and intensity of prescribed exercise therapy for patients with knee OA.
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Affiliation(s)
- Yuichiro Oka
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Kenji Murata
- Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Kaichi Ozone
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Yuki Minegishi
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Takuma Kano
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Naoki Shimada
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Naohiko Kanemura
- Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, Koshigaya, Saitama, Japan
- Corresponding author. Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, 820 Sannomiya, Koshigaya, Saitama 343-8540, Japan. Fax: +81-489-73-4123.
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da Silva LA, Thirupathi A, Colares MC, Haupenthal DPDS, Venturini LM, Corrêa MEAB, Silveira GDB, Haupenthal A, do Bomfim FRC, de Andrade TAM, Gu Y, Silveira PCL. The effectiveness of treadmill and swimming exercise in an animal model of osteoarthritis. Front Physiol 2023; 14:1101159. [PMID: 36895628 PMCID: PMC9990173 DOI: 10.3389/fphys.2023.1101159] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/06/2023] [Indexed: 02/23/2023] Open
Abstract
Introduction: Osteoarthritis (OA) is considered an inflammatory and degenerative joint disease, characterized by loss of hyaline joint cartilage and adjacent bone remodeling with the formation of osteophytes, accompanied by various degrees of functional limitation and reduction in the quality of life of individuals. The objective of this work was to investigate the effects of treatment with physical exercise on the treadmill and swimming in an animal model of osteoarthritis. Methods: Forty-eight male Wistar rats were divided (n=12 per group): Sham (S); Osteoarthritis (OA); Osteoarthritis + Treadmill (OA + T); Osteoarthritis + Swimming (OA + S). The mechanical model of OA was induced by median meniscectomy. Thirty days later, the animals started the physical exercise protocols. Both protocols were performed at moderate intensity. Forty-eight hours after the end of the exercise protocols, all animals were anesthetized and euthanized for histological, molecular, and biochemical parameters analysis. Results: Physical exercise performed on a treadmill was more effective in attenuating the action of pro-inflammatory cytokines (IFN-γ, TNF-α, IL1-β, and IL6) and positively regulating anti-inflammatories such as IL4, IL10, and TGF-β in relation to other groups. Discussion: In addition to maintaining a more balanced oxi-reductive environment within the joint, treadmill exercise provided a more satisfactory morphological outcome regarding the number of chondrocytes in the histological evaluation. As an outcome, better results were found in groups submitted to exercise, mostly treadmill exercise.
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Affiliation(s)
- Leandro Almeida da Silva
- Faculty of Sports Science, Ningbo University, Ningbo, China.,Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | | | - Mateus Cardoso Colares
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Daniela Pacheco Dos Santos Haupenthal
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Ligia Milanez Venturini
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil.,Programa de Pós Graduação em Ciências da Reabilitação, Universidade Federal de Santa Catarina, Araranguá, SC, Brazil
| | - Maria Eduarda Anastácio Borges Corrêa
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Gustavo de Bem Silveira
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
| | - Alessandro Haupenthal
- Programa de Pós Graduação em Ciências da Reabilitação, Universidade Federal de Santa Catarina, Araranguá, SC, Brazil
| | | | | | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - Paulo Cesar Lock Silveira
- Laboratory of Experimental Phisiopatology, Program of Postgraduate in Health Sciences, Universidade do Extremo Sul Catarinense, Criciúma, Santa Catarina, Brazil
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Wakefield B, Penuela S. Potential Implications of Exercise Training on Pannexin Expression and Function. J Vasc Res 2022; 60:114-124. [PMID: 36366809 DOI: 10.1159/000527240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/14/2022] [Indexed: 09/05/2023] Open
Abstract
Pannexins (PANX1, 2, 3) are channel-forming glycoproteins that are expressed throughout the cardiovascular and musculoskeletal system. The canonical function of these proteins is to release nucleotides that act as purinergic signalling at the cell membrane or Ca2+ channels at the endoplasmic reticulum membrane. These two forms of signalling are essential for autocrine and paracrine signalling in health, and alterations in this signalling have been implicated in the pathogenesis of many diseases. Many musculoskeletal and cardiovascular diseases are largely the result of a lack of physical activity which causes altered gene expression. Considering exercise training has been shown to alter a wide array of gene expression in musculoskeletal tissues, understanding the interaction between exercise training, gene function and expression in relevant diseases is warranted. With regards to pannexins, multiple publications have shown that exercise training can influence pannexin expression and may influence the significance of its function in certain diseases. This review further discusses the potential interaction between exercise training and pannexin biology in relevant tissues and disease models. We propose that exercise training in relevant animal and human models will provide a more comprehensive understanding of the implications of pannexin biology in disease.
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Affiliation(s)
- Brent Wakefield
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Western's Bone and Joint Institute, The Dr. Sandy Kirkley Centre for Musculoskeletal Research, University Hospital, London, Ontario, Canada
| | - Silvia Penuela
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Western's Bone and Joint Institute, The Dr. Sandy Kirkley Centre for Musculoskeletal Research, University Hospital, London, Ontario, Canada
- Department of Oncology, Division of Experimental Oncology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
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14
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Xu D, Wu F, Yu Y, Lou X, Ye M, Zhang H, Zhao Y. Sympathetic activation leads to Schlemm's canal expansion via increasing vasoactive intestinal polypeptide secretion from trabecular meshwork. Exp Eye Res 2022; 224:109235. [PMID: 36049555 DOI: 10.1016/j.exer.2022.109235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/16/2022] [Accepted: 08/23/2022] [Indexed: 11/04/2022]
Abstract
We previously demonstrated vasoactive intestinal polypeptide (VIP) eyedrops reduce intraocular pressure (IOP) and stabilize cytoskeleton of the Schlemm's canal (SC) endothelium in a chronic ocular hypertension rat model. Here we determine if the trabecular meshwork (TM) releases endogenous VIP and affect SC in paracrine manner, and whether this cellular interaction via VIP is strengthened under stimulated sympathetic activity. A rat model of moderate-intensity exercise was established to stimulate sympathetic activation. IOP post exercise was measured by a rebound tonometer. Sympathetic nerve activity at the TM was immunofluorescence-stained with DβH and PGP9.5. Morphological changes of TM and SC were quantitatively measured by hematoxylin-eosin (HE) staining. Further, epinephrine was applied to mimic sympathetic excitation on primary rat TM cells, and ELISA to measure VIP levels in the medium. The cytoskeleton protective effect of VIP in the epinephrine-stimulated conditioned medium (Epi-CM) was evaluated in oxidative stressed human umbilical vein endothelial cells (HUVECs). Elevated sympathetic nerve activity was found at TM post exercise. Changes accompanying the sympathetic excitation included thinned TM, expanded SC and decreased IOP, which were consistent with epinephrine treatment. Epinephrine decreased TM cell size, enhanced VIP expression and release in the medium in vitro. Epi-CM restored linear F-actin and cell junction integrity in H2O2 treated HUVECs. Blockage of VIP receptor by PG99-465 attenuated the protective capability of Epi-CM. VIP expression was upregulated at TM and the inner wall of SC post exercise in vivo. PG99-465 significantly attenuated exercise-induced SC expansion and IOP reduction. Thus, the sympathetic activation promoted VIP release from TM cells and subsequently expanded SC via stabilizing cytoskeleton, which resulted in IOP reduction.
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Affiliation(s)
- Dingwen Xu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Feipeng Wu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yixian Yu
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiaotong Lou
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Meng Ye
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hong Zhang
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
| | - Yin Zhao
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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15
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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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16
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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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17
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Zaki S, Blaker CL, Little CB. OA foundations - experimental models of osteoarthritis. Osteoarthritis Cartilage 2022; 30:357-380. [PMID: 34536528 DOI: 10.1016/j.joca.2021.03.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/01/2021] [Accepted: 03/10/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is increasingly recognised as a disease of diverse phenotypes with variable clinical presentation, progression, and response to therapeutic intervention. This same diversity is readily apparent in the many animal models of OA. However, model selection, study design, and interpretation of resultant findings, are not routinely done in the context of the target human (or veterinary) patient OA sub-population or phenotype. This review discusses the selection and use of animal models of OA in discovery and therapeutic-development research. Beyond evaluation of the different animal models on offer, this review suggests focussing the approach to OA-animal model selection on study objective(s), alignment of available models with OA-patient sub-types, and the resources available to achieve valid and translatable results. How this approach impacts model selection is discussed and an experimental design checklist for selecting the optimal model(s) is proposed. This approach should act as a guide to new researchers and a reminder to those already in the field, as to issues that need to be considered before embarking on in vivo pre-clinical research. The ultimate purpose of using an OA animal model is to provide the best possible evidence if, how, when and where a molecule, pathway, cell or process is important in clinical disease. By definition this requires both model and study outcomes to align with and be predictive of outcomes in patients. Keeping this at the forefront of research using pre-clinical OA models, will go a long way to improving the quality of evidence and its translational value.
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Affiliation(s)
- S Zaki
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Australia; Raymond Purves Bone and Joint Research Laboratory, Australia.
| | - C L Blaker
- Raymond Purves Bone and Joint Research Laboratory, Australia; Murray Maxwell Biomechanics Laboratory, The Kolling Institute, University of Sydney Faculty of Medicine and Health, At Royal North Shore Hospital, Australia.
| | - C B Little
- Raymond Purves Bone and Joint Research Laboratory, Australia.
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Townsend K, Imbert I, Eaton V, Stevenson GW, King T. Voluntary exercise blocks ongoing pain and diminishes bone remodeling while sparing protective mechanical pain in a rat model of advanced osteoarthritis pain. Pain 2022; 163:e476-e487. [PMID: 34224496 PMCID: PMC8712625 DOI: 10.1097/j.pain.0000000000002392] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/18/2021] [Indexed: 11/26/2022]
Abstract
ABSTRACT Exercise is the most common treatment recommended by healthcare providers for the treatment of musculoskeletal pain. We examined whether voluntary running wheel exercise improves pain and bone remodeling in rats with monosodium iodoacetate-induced unilateral knee joint pain. During acquisition of wheel running before osteoarthritis (OA) treatment, rats separated into 2 groups characterized by either high or low levels of voluntary wheel running as indicated by distance and peak speed. After the induction of knee joint OA, all rats showed diminished voluntary wheel running throughout the study. Voluntary wheel running failed to alter evoked nociceptive responses evaluated as weight asymmetry or hind paw tactile thresholds at any timepoint of the study. By contrast, relief of ongoing pain was demonstrated by conditioned place preference produced by lidocaine injection into the monosodium iodoacetate-treated knee in high but not low-running rats. Both high and low voluntary runners showed diminished trabecular bone loss compared with sedentary controls. These observations indicate that both high-intensity and low-intensity exercise is beneficial in protecting against bone remodeling in advanced OA. The data suggest that similar to clinical observation, bone remodeling does not correlate with pain. In addition, these results suggest that higher intensity exercise may relieve persistent ongoing OA pain while maintaining movement-evoked nociception. The relief of ongoing pain can potentially offer significant improvement in quality of life, whereas preservation of responses to movement-evoked pain may be especially important in protecting the joint from damage because of overuse.
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Affiliation(s)
- Kaylee Townsend
- Department of Biomedical Sciences, Center for Excellence in the Neurosciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, United States
- Department of Psychology, College of Arts and Sciences, University of New England, Biddeford, ME, United States
| | - Ian Imbert
- Department of Biomedical Sciences, Center for Excellence in the Neurosciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, United States
- Department of Psychology, College of Arts and Sciences, University of New England, Biddeford, ME, United States
| | - Victoria Eaton
- Department of Biomedical Sciences, Center for Excellence in the Neurosciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, United States
- Department of Psychology, College of Arts and Sciences, University of New England, Biddeford, ME, United States
| | - Glenn W Stevenson
- Department of Biomedical Sciences, Center for Excellence in the Neurosciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, United States
- Department of Psychology, College of Arts and Sciences, University of New England, Biddeford, ME, United States
| | - Tamara King
- Department of Biomedical Sciences, Center for Excellence in the Neurosciences, College of Osteopathic Medicine, University of New England, Biddeford, ME, United States
- Department of Psychology, College of Arts and Sciences, University of New England, Biddeford, ME, United States
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Kittl M, Winklmayr M, Preishuber-Pflügl J, Strobl V, Gaisberger M, Ritter M, Jakab M. Low pH Attenuates Apoptosis by Suppressing the Volume-Sensitive Outwardly Rectifying (VSOR) Chloride Current in Chondrocytes. Front Cell Dev Biol 2022; 9:804105. [PMID: 35186954 PMCID: PMC8847443 DOI: 10.3389/fcell.2021.804105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/31/2021] [Indexed: 11/25/2022] Open
Abstract
In a variety of physiological and pathophysiological conditions, cells are exposed to acidic environments. Severe synovial fluid acidification also occurs in a progressive state of osteoarthritis (OA) affecting articular chondrocytes. In prior studies extracellular acidification has been shown to protect cells from apoptosis but the underlying mechanisms remain elusive. In the present study, we demonstrate that the inhibition of Cl− currents plays a significant role in the antiapoptotic effect of acidification in human articular chondrocytes. Drug-induced apoptosis was analyzed after exposure to staurosporine by caspase 3/7 activity and by annexin-V/7-actinomycin D (7-AAD) staining, followed by flow cytometry. Cell viability was assessed by resazurin, CellTiter-Glo and CellTiter-Fluor assays. Cl− currents and the mean cell volume were determined using the whole cell patch clamp technique and the Coulter method, respectively. The results reveal that in C28/I2 cells extracellular acidification decreases caspase 3/7 activity, enhances cell viability following staurosporine treatment and gradually deactivates the volume-sensitive outwardly rectifying (VSOR) Cl− current. Furthermore, the regulatory volume decrease (RVD) as well as the apoptotic volume decrease (ADV), which represents an early event during apoptosis, were absent under acidic conditions after hypotonicity-induced cell swelling and staurosporine-induced apoptosis, respectively. Like acidosis, the VSOR Cl− current inhibitor DIDS rescued chondrocytes from apoptotic cell death and suppressed AVD after induction of apoptosis with staurosporine. Similar to acidosis and DIDS, the VSOR channel blockers NPPB, niflumic acid (NFA) and DCPIB attenuated the staurosporine-induced AVD. NPPB and NFA also suppressed staurosporine-induced caspase 3/7 activation, while DCPIB and Tamoxifen showed cytotoxic effects per se. From these data, we conclude that the deactivation of VSOR Cl− currents impairs cell volume regulation under acidic conditions, which is likely to play an important role in the survivability of human articular chondrocytes.
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Affiliation(s)
- Michael Kittl
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Salzburg, Austria
- *Correspondence: Michael Kittl,
| | - Martina Winklmayr
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Salzburg, Austria
| | - Julia Preishuber-Pflügl
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Gastein Research Institute, Paracelsus Medical University, Salzburg, Austria
| | - Victoria Strobl
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Gastein Research Institute, Paracelsus Medical University, Salzburg, Austria
| | - Martin Gaisberger
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Salzburg, Austria
- Gastein Research Institute, Paracelsus Medical University, Salzburg, Austria
| | - Markus Ritter
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Salzburg, Austria
- Gastein Research Institute, Paracelsus Medical University, Salzburg, Austria
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology, Pathophysiology and Biophysics—Nuremberg, Paracelsus Medical University, Nuremberg, Germany
| | - Martin Jakab
- Center for Physiology, Pathophysiology and Biophysics, Institute for Physiology and Pathophysiology—Salzburg, Paracelsus Medical University, Salzburg, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Salzburg, Austria
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20
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Differences in Muscle Demand and Joint Contact Forces Between Running and Skipping. J Appl Biomech 2022; 38:382-390. [DOI: 10.1123/jab.2022-0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 06/28/2022] [Accepted: 08/19/2022] [Indexed: 11/15/2022]
Abstract
Skipping has been proposed as a viable cross-training exercise to running due to its lower knee contact forces and higher whole-body energy expenditure. However, how individual muscle forces, energy expenditure, and joint loading are affected by differences in running and skipping mechanics remains unclear. The purpose of this study was to compare individual muscle forces, energy expenditure, and lower extremity joint contact forces between running and skipping using musculoskeletal modeling and simulations of young adults (n = 5) performing running and skipping at 2.5 m·s−1 on an instrumented treadmill. In agreement with previous work, running had greater knee and patella contact forces than skipping which was accompanied by greater knee extensor energetic demand. Conversely, skipping had greater ankle contact forces and required greater energetic demand from the uniarticular ankle plantarflexors. There were no differences in hip contact forces between gaits. These findings further support skipping as a viable alternative to running if the primary goal is to reduce joint loading at the commonly injured patellofemoral joint. However, for those with ankle injuries, skipping may not be a viable alternative due to the increased ankle loads. These findings may help clinicians prescribe activities most appropriate for a patient’s individual training or rehabilitation goals.
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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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de Sire A, Marotta N, Marinaro C, Curci C, Invernizzi M, Ammendolia A. Role of Physical Exercise and Nutraceuticals in Modulating Molecular Pathways of Osteoarthritis. Int J Mol Sci 2021; 22:5722. [PMID: 34072015 PMCID: PMC8198532 DOI: 10.3390/ijms22115722] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a painful and disabling disease that affects millions of patients. Its etiology is largely unknown, but it is most likely multifactorial. OA pathogenesis involves the catabolism of the cartilage extracellular matrix and is supported by inflammatory and oxidative signaling pathways and marked epigenetic changes. To delay OA progression, a wide range of exercise programs and naturally derived compounds have been suggested. This literature review aims to analyze the main signaling pathways and the evidence about the synergistic effects of these two interventions to counter OA. The converging nutrigenomic and physiogenomic intervention could slow down and reduce the complex pathological features of OA. This review provides a comprehensive picture of a possible signaling approach for targeting OA molecular pathways, initiation, and progression.
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Affiliation(s)
- Alessandro de Sire
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Nicola Marotta
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Cinzia Marinaro
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Claudio Curci
- Physical Medicine and Rehabilitation Unit, Department of Neurosciences, ASST Carlo Poma, 46100 Mantova, Italy;
| | - Marco Invernizzi
- Physical Medicine and Rehabilitation, Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy;
- Translational Medicine, Dipartimento Attività Integrate Ricerca e Innovazione (DAIRI), Azienda Ospedaliera S.S. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy
| | - Antonio Ammendolia
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
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24
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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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25
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Effect of Glucosamine Sulfate Alone and Combined with Moderate Intensity Exercise on Serum Levels of CS 846 Epitope and Cartilage Oligomeric Matrix Protein in a Rat Model of Osteoarthritis. MEDICAL LABORATORY JOURNAL 2021. [DOI: 10.52547/mlj.15.2.35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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26
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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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27
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Effectiveness of Led Photobiomodulation Therapy on Treatment With Knee Osteoarthritis: A Rat Study. Am J Phys Med Rehabil 2020; 99:725-732. [PMID: 32167952 DOI: 10.1097/phm.0000000000001408] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The present study aimed to evaluate the effectiveness of photobiomodulation therapy by light-emitting diode on osteoarthritis treatment in the knees of rats. DESIGN Twenty male Wistar rats were randomly assigned into two experimental groups: OAC: animals subjected to induction of osteoarthritis, without therapeutic intervention and the group OAL: animals subjected to induction of osteoarthritis treated with light-emitting diode photobiomodulation therapy (850 nm, 200 mW, 6 J). RESULTS The results of gait analysis showed no statistical difference between the groups. The histological findings showed that the OAL group presented abnormal chondrocyte orientation, yet with less irregularities along fibrillation and the joint tissue. Thus, it presented a lower degenerative process when evaluated by the Osteoarthritis Research Society International. Likewise, in the immunohistochemical analysis, the OAL group showed higher collagen 2 and transforming growth factor β immunoexpression when compared with the OAC group. CONCLUSIONS Given the above, it is possible to suggest that the photobiomodulation therapy by light-emitting diode had positive effects on the expression of extracellular matrix proteins responsible for synthesis of articular tissue.
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Roux CH, Pisani DF, Gillet P, Fontas E, Yahia HB, Djedaini M, Ambrosetti D, Michiels JF, Panaia-Ferrari P, Breuil V, Pinzano A, Amri EZ. Oxytocin Controls Chondrogenesis and Correlates with Osteoarthritis. Int J Mol Sci 2020; 21:ijms21113966. [PMID: 32486506 PMCID: PMC7312425 DOI: 10.3390/ijms21113966] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022] Open
Abstract
This study investigated the relationship of oxytocin (OT) to chondrogenesis and osteoarthritis (OA). Human bone marrow and multipotent adipose-derived stem cells were cultured in vitro in the absence or presence of OT and assayed for mRNA transcript expression along with histological and immunohistochemical analyses. To study the effects of OT in OA in vivo, a rat model and a human cohort of 63 men and 19 women with hand OA and healthy controls, respectively, were used. The baseline circulating OT, interleukin-6, leptin, and oestradiol levels were measured, and hand X-ray examinations were performed for each subject. OT induced increased aggrecan, collagen (Col) X, and cartilage oligomeric matrix protein mRNA transcript levels in vitro, and the immunolabelling experiments revealed a normalization of Sox9 and Col II protein expression levels. No histological differences in lesion severity were observed between rat OA groups. In the clinical study, a multivariate analysis adjusted for age, body mass index, and leptin levels revealed a significant association between OA and lower levels of OT (odds ratio = 0.77; p = 0.012). Serum OT levels are reduced in patients with hand OA, and OT showed a stimulatory effect on chondrogenesis. Thus, OT may contribute to the pathophysiology of OA.
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Affiliation(s)
- Christian H. Roux
- Université Côte d’Azur, French National Centre for Scientific Research (CNRS), Inserm, iBV, 06107 Nice, France; (H.B.Y.); (M.D.)
- Department of Rheumatology, Nice University Hospital, Pasteur Hospital, 06003 Nice, France;
- Correspondence: (C.H.R.); (E.-Z.A.); Tel.: +33-492-03-54-99 (C.H.R.); +33-493-37-7082 (E.-Z.A.)
| | | | - Pierre Gillet
- UMR 7365 French National Centre for Scientific Research (CNRS)–Université de Lorraine, ‘Ingénierie Moléculaire et Physiopathologie Articulaire’ (IMoPA), F54505 Vandoeuvre-lès-Nancy, France; (P.G.); (A.P.)
| | - Eric Fontas
- Department of Clinical Research, Nice University Hospital, Cimiez Hospital, F-06003 Nice, France;
| | - Hédi Ben Yahia
- Université Côte d’Azur, French National Centre for Scientific Research (CNRS), Inserm, iBV, 06107 Nice, France; (H.B.Y.); (M.D.)
| | - Mansour Djedaini
- Université Côte d’Azur, French National Centre for Scientific Research (CNRS), Inserm, iBV, 06107 Nice, France; (H.B.Y.); (M.D.)
| | - Damien Ambrosetti
- Université Côte d’Azur, UFR Médecine, F-06107 Nice, France; (D.A.); (J.-F.M.)
- Anatomopathology Service, Pasteur Hospital, Centre Hospitalier Universitaire de Nice, F-06003 Nice, France
| | - Jean-François Michiels
- Université Côte d’Azur, UFR Médecine, F-06107 Nice, France; (D.A.); (J.-F.M.)
- Anatomopathology Service, Pasteur Hospital, Centre Hospitalier Universitaire de Nice, F-06003 Nice, France
| | | | - Véronique Breuil
- Department of Rheumatology, Nice University Hospital, Pasteur Hospital, 06003 Nice, France;
| | - Astrid Pinzano
- UMR 7365 French National Centre for Scientific Research (CNRS)–Université de Lorraine, ‘Ingénierie Moléculaire et Physiopathologie Articulaire’ (IMoPA), F54505 Vandoeuvre-lès-Nancy, France; (P.G.); (A.P.)
| | - Ez-Zoubir Amri
- Université Côte d’Azur, French National Centre for Scientific Research (CNRS), Inserm, iBV, 06107 Nice, France; (H.B.Y.); (M.D.)
- Correspondence: (C.H.R.); (E.-Z.A.); Tel.: +33-492-03-54-99 (C.H.R.); +33-493-37-7082 (E.-Z.A.)
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29
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Vasilceac FA, Marqueti RDC, Neto IVDS, Nascimento DDC, Souza MCD, Durigan JLQ, Mattiello SM. Resistance training decreases matrix metalloproteinase-2 activity in quadriceps tendon in a rat model of osteoarthritis. Braz J Phys Ther 2020; 25:147-155. [PMID: 32276877 DOI: 10.1016/j.bjpt.2020.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 09/05/2019] [Accepted: 02/28/2020] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a degenerative disease that induces peri-articular tissue degradation. OA induces an imbalance between synthesis and degradation of the extracellular matrix components in favor of catabolic events, promoting pathological remodeling and involving degradative enzymes, such as matrix metalloproteinases (MMPs). OBJECTIVE This study aimed to investigate the effects of 8-weeks resistance training (RT) on MMP-2 activity in the quadriceps tendon and patellar tendon in an OA model. METHODS Twenty-four Wistar rats were randomly divided into six groups: Control, Exercise, Sham, Sham with Exercise, OA, and OA with Exercise (OAE). The OA model was performed by anterior cruciate ligament transection surgery on the left knee. The 8-week RT consisted of climbing a 1.1-m vertical ladder three times per week with progressive weights secured to the animals' tails. MMP-2 activity was analyzed by zymography. RESULTS The OAE group displayed lower pro, intermediate, and active MMP-2 activity in the quadriceps tendon compared with the OA group (p<0.05). For the patellar tendon, there was no significant difference between the OAE group compared with the other groups (p>0.05) for pro, intermediate, and active MMP-2 activity. Moreover, MMP-2 activity differed between tissues, the OA and OAE groups presented lower pro, intermediate, and active MMP-2 activity in the quadriceps tendon compared to the patellar tendon. CONCLUSION RT induced down-regulated MMP-2 activity in the quadriceps tendon. RT is a potential therapeutic approach to minimize the deleterious effects of extracellular matrix degeneration.
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Affiliation(s)
- Fernando Augusto Vasilceac
- Graduate Program of Physical Therapy, Universidade Federal de São Carlos (UFSCar), São Carlos, São Paulo, Brazil
| | - Rita de Cássia Marqueti
- Graduate Program of Sciences and Technology of Health, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil; Graduate Program in Rehabilitation Sciences, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil.
| | - Ivo Vieira de Sousa Neto
- Graduate Program of Sciences and Technology of Health, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil
| | - Dahan da Cunha Nascimento
- Graduate Program of Physical Education, Universidade Católica de Brasília (UCB), Brasília, Distrito Federal, Brazil; Department of Physical Education, Centro Universitário do Distrito Federal, Brasília, Distrito Federal, Brazil
| | - Mariana Carvalho de Souza
- Graduate Program of Physical Therapy, Universidade Federal de São Carlos (UFSCar), São Carlos, São Paulo, Brazil
| | - João Luiz Quaglioti Durigan
- Graduate Program of Sciences and Technology of Health, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil; Graduate Program in Rehabilitation Sciences, Universidade de Brasília (UnB), Brasília, Distrito Federal, Brazil
| | - Stela Márcia Mattiello
- Graduate Program of Physical Therapy, Universidade Federal de São Carlos (UFSCar), São Carlos, São Paulo, Brazil
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A Stimulus-Response Framework to Investigate the Influence of Continuous Versus Interval Walking Exercise on Select Serum Biomarkers in Knee Osteoarthritis. Am J Phys Med Rehabil 2019; 98:287-291. [PMID: 30300230 DOI: 10.1097/phm.0000000000001068] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The aim of the study was to compare changes in the concentration of serum biomarkers in response to continuous versus interval walking exercise in participants with knee osteoarthritis. DESIGN This study used a two-phase sequential design. Twenty-seven participants with unilateral knee osteoarthritis completed two separate treadmill walking sessions: (1) continuous 45-min walking exercise and (2) three 15-min bouts of walking exercise separated by 1-hr rest periods for a total of 45 mins in an interval format. Participants reported their knee pain using the numeric pain rating scale and serum levels of biomarkers associated with tissue turnover (cartilage oligomeric matrix protein), inflammation (tumor necrosis factor α), and pain (neuropeptide Y) were evaluated at baseline and every 15 mins for both conditions. RESULTS Continuous walking resulted in a cumulative increase in cartilage oligomeric matrix protein concentration up to 45 mins, whereas interval walking was associated with return of cartilage oligomeric matrix protein concentrations back to baseline at 45 mins. There were no significant changes in tumor necrosis factor α and neuropeptide Y concentration during walking. There was a significant increase in pain compared with baseline in the continuous walking regimen only. CONCLUSIONS Incorporating rest breaks in walking regimens may affect the potential deleterious effects of longer continuous bouts on the knee joint as well as limit pain during exercise.
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Zhang J, Fu B, Chen X, Chen D, Yang H. Protocatechuic acid attenuates anterior cruciate ligament transection-induced osteoarthritis by suppressing osteoclastogenesis. Exp Ther Med 2019; 19:232-240. [PMID: 31853294 PMCID: PMC6909799 DOI: 10.3892/etm.2019.8189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 10/02/2019] [Indexed: 01/03/2023] Open
Abstract
Osteoarthritis (OA) is related to over-proliferation or differentiation of osteoclasts. Although protocatechuic acid (PCA) has been identified to inhibit osteoclast differentiation and stimulate apoptosis in mature osteoclasts, whether it can relieve OA is still unknown. The present study aimed to investigate the effect of PCA on anterior cruciate ligament transection (ACLT)-induced OA and the potential mechanisms of action behind this effect. ACLT was performed on rats, which were then treated with or without PCA. C-terminal telopeptide of type I collagen (CTX-I) and CTX-II were tested in knee joint protein extracts by ELISA. Damage to cartilage was evaluated using Safranin-O/Fast Green staining. Osteoclast-related gene and protein expression was assessed through reverse transcription-quantitative PCR and western blotting. Tartrate-resistant acid phosphatase (TRAP) staining and functional bone resorption pit assays were performed using RAW264.7 murine macrophage cells to determine the effects of PCA on osteoclastic formation and function, respectively, in vitro. Finally, the activity of osteoclastogenesis-related signaling pathways was evaluated by western blotting. Levels of CTX-II were relatively decreased and Safranin-O/fast green staining indicated milder changes in the articular cartilage in the PCA treatment group. PCA downregulated osteoclast specific markers and suppressed receptor activator of nuclear factor-κB ligand-induced formation of TRAP-positive multinucleated cells, bone-resorption and pit formation. Mitogen-activated protein kinase (MAPK) and Akt signaling as well as the downstream factors, were downregulated by PCA. In conclusion, the present study demonstrated that PCA attenuated ACLT-induced OA by suppressing osteoclastogenesis by inhibiting the MAPK, ATK and NF-κB signaling pathways.
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Affiliation(s)
- Jialin Zhang
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Bin Fu
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Xiaolei Chen
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Desheng Chen
- Department of Orthopedics, General Hospital of Ningxia Medical University, Ningxia, Gansu 750004, P.R. China
| | - Hao Yang
- Department of Orthopedics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, P.R. China
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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: 12] [Impact Index Per Article: 2.4] [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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Low dose of indomethacin and Hedgehog signaling inhibitor administration synergistically attenuates cartilage damage in osteoarthritis by controlling chondrocytes pyroptosis. Gene 2019; 712:143959. [DOI: 10.1016/j.gene.2019.143959] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 07/02/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022]
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A Monosodium Iodoacetate Osteoarthritis Lameness Model in Growing Pigs. Animals (Basel) 2019; 9:ani9070405. [PMID: 31266184 PMCID: PMC6680622 DOI: 10.3390/ani9070405] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 06/28/2019] [Accepted: 06/28/2019] [Indexed: 12/12/2022] Open
Abstract
Lameness is a common problem in pigs, causing welfare issues in affected pigs and economic losses for farmers. It is often caused by osteoarthrosis (OA) in its acute or chronic form. We assessed face and construct validity of a potential model for naturally-occurring OA and its progression to chronic OA. Such a model would allow the assessment of possible interventions. Monosodium-iodoacetate (MIA) or isotonic saline was deposited in the intercarpal joint of 20 growing pigs. Functional effects were assessed using subjective (visual lameness scoring) and objective (kinetic gait analysis) techniques at several timepoints. Structural effects were assessed by histopathology at 68 days. Eight out of 10 MIA treated animals had histopathological OA lesions confirmed in the target joint, while for all saline treated animals the target joint was judged to be normal. Pressure mat analysis revealed increased asymmetric weight bearing in these animals compared to the control group on day 3, 14, 28 and 56. Visual scoring only showed a difference between groups on day 1. MIA did not cause prolonged visible lameness, thus face validity for OA under field conditions was not entirely met. Since objective gait parameters showed decreased weightbearing as a behavioral expression of pain, it may be used as a general model for movement-induced pain in pigs.
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Mazor M, Best TM, Cesaro A, Lespessailles E, Toumi H. Osteoarthritis biomarker responses and cartilage adaptation to exercise: A review of animal and human models. Scand J Med Sci Sports 2019; 29:1072-1082. [DOI: 10.1111/sms.13435] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/29/2019] [Accepted: 04/04/2019] [Indexed: 12/20/2022]
Affiliation(s)
| | - Thomas M. Best
- Division of Sports Medicine, Department of Orthopedics, Health Sports Medicine Institute University of Miami Coral Gables Florida
| | | | - Eric Lespessailles
- University of Orléans Orléans France
- Service de Rhumatologie Centre Hospitalier Régional d'Orléans La Source France
| | - Hechmi Toumi
- University of Orléans Orléans France
- Service de Rhumatologie Centre Hospitalier Régional d'Orléans La Source France
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Atobe M, Nagami T, Muramatsu S, Ohno T, Kitagawa M, Suzuki H, Ishiguro M, Watanabe A, Kawanishi M. Discovery of Novel Transient Receptor Potential Vanilloid 4 (TRPV4) Agonists as Regulators of Chondrogenic Differentiation: Identification of Quinazolin-4(3 H)-ones and in Vivo Studies on a Surgically Induced Rat Model of Osteoarthritis. J Med Chem 2019; 62:1468-1483. [PMID: 30629441 DOI: 10.1021/acs.jmedchem.8b01615] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by joint destruction and loss of cartilage. There are many unmet needs in the treatment of OA and there are few promising candidates for disease-modifying OA drugs, particularly, anabolic agents. Here, we describe the identification of novel quinazolin-4(3 H)-one derivatives, which stimulate chondrocyte cartilage matrix production via TRPV4 and mitigate damaged articular cartilage. We successfully identified the water-soluble, highly potent quinazolin-4(3 H)-one derivative 36 and studied its intra-articular physicochemical profile to use in in vivo surgical OA model studies. Compound 36·HCl provided relief from OA damage in a rat medial meniscal tear (MT) model. Specifically, 36·HCl dose-dependently suppressed cartilage degradation and enhanced the messenger RNA expression of aggrecan and SOX9 in cartilage isolated from MT-operated rat knees compared with knees treated with vehicle. These results suggest that 36 induces anabolic changes in articular cartilage and consequently reduces OA progression.
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Affiliation(s)
| | | | | | | | | | | | | | - Atsushi Watanabe
- Medical Technology & Material Laboratory, Medical Products Development Division , Asahi Kasei Medical Corporation , 632-1 Mifuku , Izunokuni , Shizuoka 410-2321 , Japan
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Zhuang Gu Guan Jie Wan: Reasonable Application Can Alleviate the Liver Injury for Osteoarthritis Treatment. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:6716529. [PMID: 30538762 PMCID: PMC6260402 DOI: 10.1155/2018/6716529] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 09/23/2018] [Accepted: 10/25/2018] [Indexed: 12/20/2022]
Abstract
The potential toxicity of herbal drugs, particularly drug-induced liver injury (DILI), has received extensive attention as the use of Chinese herbal medicine has rapidly increased globally. As a classic Chinese patent medicine, Zhuang Gu Guan Jie Wan (ZGGJW) has been brought into focus recently because of its satisfactory therapeutic effects on osteoarthritis (OA) as well as its unanticipated side effects. This study aimed to decipher the puzzling phenomenon of liver injury developing in response to ZGGJW that varies by the subtype of OA. Normal, anterior cruciate ligament transaction (ACLT) and partial medial meniscectomy (MMx) induced OA and ovariectomy combined with ACLT and partial MMx induced rat models were used and treated orally with ZGGJW or distilled water for 30 days. The results from histopathology, biochemistry, and immunohistochemistry showed that ZGGJW induced liver injury, increased the level of malondialdehyde (MDA), and decreased the levels of total antioxidation capability (T-AOC), superoxide dismutase (SOD), interleukin-22 (IL-22), and signal transducer and activator of transcription factor 3 (STAT3) in the liver of normal rats, while liver injury was alleviated and showed different tendencies in the above markers for ACLT and partial MMx induction rats and ovariectomy combined with ACLT and partial MMx induction rats after ZGGJW treatment. In the OA disease states, hepatic injury induced by ZGGJW could be associated with an impairment in antioxidant capacity and the high levels of IL-22 and STAT3 after ZGGJW treatment may be responsible for the slight hepatic injury of ZGGJW based on the subtype of OA. This study provides a novel approach to better understanding of the risks and limitations when using potentially toxic Chinese patent medicine in clinical applications.
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Neybecker P, Henrionnet C, Pape E, Mainard D, Galois L, Loeuille D, Gillet P, Pinzano A. In vitro and in vivo potentialities for cartilage repair from human advanced knee osteoarthritis synovial fluid-derived mesenchymal stem cells. Stem Cell Res Ther 2018; 9:329. [PMID: 30486903 PMCID: PMC6263063 DOI: 10.1186/s13287-018-1071-2] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/29/2018] [Accepted: 11/09/2018] [Indexed: 12/18/2022] Open
Abstract
Background Mesenchymal stem cells (MSCs) are found in synovial fluid (SF) and can easily be harvested during arthrocentesis or arthroscopy. However, SF-MSC characterization and chondrogenicity in collagen sponges have been poorly documented as well as their hypothetical in vivo chondroprotective properties with intra-articular injections during experimental osteoarthritis (OA). Methods SF-MSCs were isolated from human SF aspirates in patients suffering from advanced OA undergoing total knee joint replacements. SF-MSCs at passage 2 (P2) were characterized by flow cytometry for epitope profiling. SF-MSCs at P2 were subsequently cultured in vitro to assess their multilineage potentials. To assess their chondrogenicity, SF-MSCs at P4 were seeded in collagen sponges for 4 weeks under various oxygen tensions and growth factors combinations to estimate their gene profile and matrix production. Also, SF-MSCs were injected into the joints in a nude rat anterior cruciate ligament transection (ACLT) to macroscopically and histologically assess their possible chondroprotective properties,. Results We characterized the stemness (CD73+, CD90+, CD105+, CD34−, CD45−) and demonstrated the multilineage potency of SF-MSCs in vitro. Furthermore, the chondrogenic induction (TGF-ß1 ± BMP-2) of these SF-MSCs in collagen sponges demonstrated a good capacity of chondrogenic gene induction and extracellular matrix synthesis. Surprisingly, hypoxia did not enhance matrix synthesis, although it boosted chondrogenic gene expression (ACAN, SOX9, COL2A1). Besides, intra-articular injections of xenogenic SF-MSCs did exert neither chondroprotection nor inflammation in ACLT-induced OA in the rat knee. Conclusions Advanced OA SF-MSCs seem better candidates for cell-based constructs conceived for cartilage defects rather than intra-articular injections for diffuse OA.
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Affiliation(s)
- Paul Neybecker
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France
| | - Christel Henrionnet
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France
| | - Elise Pape
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France
| | - Didier Mainard
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France.,Service de Chirurgie Orthopédique, Traumatologique et Arthroscopique, CHRU Nancy, 29 Avenue du Maréchal de Lattre de Tassigny CO 60034, F54035, Nancy, France
| | - Laurent Galois
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France.,Service de Chirurgie Orthopédique, Traumatologique et Arthroscopique, CHRU Nancy, 29 Avenue du Maréchal de Lattre de Tassigny CO 60034, F54035, Nancy, France
| | - Damien Loeuille
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France.,Service de Rhumatologie, CHRU de Nancy, Hôpitaux de Brabois, Bâtiment des Spécialités Médicales, 5 rue du Morvan, F54511, Vandœuvre-lès-Nancy, France
| | - Pierre Gillet
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France
| | - Astrid Pinzano
- UMR 7365 CNRS-UL, IMoPA (Ingénierie Moléculaire et Physiopathologie Articulaire), Biopôle de l'Université de Lorraine, Campus Brabois-Santé, 9 Avenue de la Forêt de Haye, BP 20199, 54505, Vandœuvre-Lès-Nancy, France. .,Service de Rhumatologie, CHRU de Nancy, Hôpitaux de Brabois, Bâtiment des Spécialités Médicales, 5 rue du Morvan, F54511, Vandœuvre-lès-Nancy, France.
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Hsieh YL, Yang CC. Early intervention of swimming exercises attenuate articular cartilage destruction in a rat model of anterior cruciate ligament and meniscus knee injuries. Life Sci 2018; 212:267-274. [PMID: 30304692 DOI: 10.1016/j.lfs.2018.10.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 10/02/2018] [Accepted: 10/06/2018] [Indexed: 01/12/2023]
Abstract
AIM The anterior cruciate ligament (ACL) and meniscus injuries often cause post-traumatic knee osteoarthritis (PTOA), which can place great limitations on patients. But to date there is no effective therapy to delay the progression of cartilage destruction in PTOA. This study aimed to compare the effects of early versus delayed swimming exercise on the chondroprotective effects in a rat PTOA model with ACL and meniscus injuries. MAIN METHODS Thirty-two adult male Sprague-Dawley rats received unilateral ACL transection and medial meniscectomy (ACLMT). These were randomly allocated to four groups: early swimming (eSW), delayed swimming (dSW), sham-operated early swimming (sham-eSW) and sham-operated delayed swimming (sham-dSW). Swimming (30 min per session) continuing for 28 days was started three days and three months after ACLMT surgery as a protocol for eSW and dSW intervention. Cartilage quality was assessed by Mankin HHGS examination (H&E, Safranin-O stain) and collagen type II (CoII) and matrix metalloproteases-13 (MMP13) immunohistochemistry. KEY FINDINGS ACLMT induced the PTOA histopathological changes, inhibited CoII and enhanced MMP13 expressions in cartilage for both sham-eSW and sham-dSW groups. eSW intervention significantly enhanced CoII expression and suppressed MMP13 overexpression in superficial and transitional zones of cartilage, as well as better Mankin scores, corresponding to sham-swimming controls (P < 0.05). dSW intervention provided less enhancement of CoII expression and improvement of histopathological scoring, but significantly reduced MMP13 overexpression compared to animals in eSW (P < 0.05). SIGNIFICANCE Early intervention by swimming at very early stages of cartilage damage provides greater benefits than delayed intervention when PTOA has already developed.
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Affiliation(s)
- Yueh-Ling Hsieh
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan.
| | - Chen-Chia Yang
- Kao-An Physical Medicine and Rehabilitation Clinic, Taichung, Taiwan
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Yang Y, Wang Y, Kong Y, Zhang X, Zhang H, Gang Y, Bai L. The therapeutic effects of lipoxin A4 during treadmill exercise on monosodium iodoacetate-induced osteoarthritis in rats. Mol Immunol 2018; 103:35-45. [DOI: 10.1016/j.molimm.2018.08.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 06/13/2018] [Accepted: 08/31/2018] [Indexed: 12/15/2022]
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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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Yang Y, Wang Y, Kong Y, Zhang X, Zhang H, Gang Y, Bai L. Mechanical stress protects against osteoarthritis via regulation of the AMPK/NF-κB signaling pathway. J Cell Physiol 2018; 234:9156-9167. [PMID: 30311192 PMCID: PMC6587477 DOI: 10.1002/jcp.27592] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 09/18/2018] [Indexed: 12/29/2022]
Abstract
Mechanical stress plays a key role in regulating cartilage degradation in osteoarthritis (OA). The aim of this study was to evaluate the effects and mechanisms of mechanical stress on articular cartilage. A total of 80 male Sprague‐Dawley rats were randomly divided into eight groups (n = 10 for each group): control group (CG), OA group (OAG), and CG or OAG subjected to low‐, moderate‐, or high‐intensity treadmill exercise (CL, CM, CH, OAL, OAM, and OAH, respectively). Chondrocytes were obtained from the knee joints of rats; they were cultured on Bioflex 6‐well culture plates and subjected to different durations of cyclic tensile strain (CTS) with or without exposure to interleukin‐1β (IL‐1β). The results of the histological score, immunohistochemistry, enzyme‐linked immunosorbent assay, and western‐blot analyses indicated that there were no differences between CM and CG, but OAM showed therapeutic effects compared with OAG. However, CH and OAH experienced more cartilage damage than CG and OAG, respectively. CTS had no therapeutic effects on collagen II of normal chondrocytes, which is consistent with findings after treadmill exercise. However, CTS for 4 hr could alleviate the chondrocyte damage induced by IL‐1β by activating AMP‐activated protein kinase (AMPK) phosphorylation and suppressing nuclear translocation of nuclear factor (NF)‐κB p65. Our findings indicate that mechanical stress had no therapeutic effects on normal articular cartilage and chondrocytes; mechanical stress only caused damage with excessive stimulation. Still, moderate biomechanical stress could reduce sensitization to the inflammatory response of articular cartilage and chondrocytes through the AMPK/NF‐κB signaling pathway.
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Affiliation(s)
- Yue Yang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
| | - Yang Wang
- Department of Ultrasound, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
| | - Yawei Kong
- International Patient Center, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Xiaoning Zhang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
| | - He Zhang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
| | - Yi Gang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, ShenYang, Liaoning, China
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Kawasaki K, Fushimi T, Nakamura J, Ota N. Guava leaf extract suppresses osteoarthritis progression in a rat anterior cruciate ligament transection model. Food Sci Nutr 2018; 6:800-805. [PMID: 29983942 PMCID: PMC6021720 DOI: 10.1002/fsn3.601] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 12/01/2017] [Accepted: 01/10/2018] [Indexed: 02/06/2023] Open
Abstract
Guava leaf extract and ellagic acid, one of its polyphenolic components, inhibit the activity of a disintegrin and metalloproteinase with thrombospondin type 5 (ADAMTS-5), which is associated with aggrecan degeneration during the early stage of osteoarthritis (OA). To investigate the efficacy of guava leaf extract for preventing OA, we examined the effect of its dietary intake on cartilage destruction in anterior cruciate ligament-transected (ACLT) rats. Rats were randomly assigned to four groups: ACLT control rats fed with control diet, ACLT rats fed with diet containing 0.2% guava leaf extract, ACLT rats fed with diet containing 0.5% guava leaf extract, and sham-operated rats fed with control diet. Mankin's scores, an index of cartilage damage, were higher in rats that underwent ACLT. Guava leaf extract treatment dose-dependently led to lower Mankin's scores and higher concentrations of ellagic acid in the serum and synovial membrane. Ellagic acid levels in the synovial membrane negatively correlated with cartilage destruction scores. These results suggest that dietary guava leaf extract suppresses OA progression in ACLT rats through ellagic acid-mediated inhibition of early joint destruction.
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Affiliation(s)
- Keiko Kawasaki
- Biological Science Research LaboratoriesKao CorporationTochigiJapan
| | - Takashi Fushimi
- Biological Science Research LaboratoriesKao CorporationTochigiJapan
| | - Junji Nakamura
- Kansei Science Research LaboratoriesKao CorporationTochigiJapan
| | - Noriyasu Ota
- Biological Science Research LaboratoriesKao CorporationTochigiJapan
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Quantifying the Effects of Different Treadmill Training Speeds and Durations on the Health of Rat Knee Joints. SPORTS MEDICINE-OPEN 2018; 4:15. [PMID: 29610999 PMCID: PMC5880791 DOI: 10.1186/s40798-018-0127-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 03/11/2018] [Indexed: 12/22/2022]
Abstract
Background Walking and running provide cyclical loading to the knee which is thought essential for joint health within a physiological window. However, exercising outside the physiological window, e.g. excessive cyclical loading, may produce loading conditions that could be detrimental to joint health and lead to injury and, ultimately, osteoarthritis. The purpose of this study was to assess the effects of a stepwise increase in speed and duration of treadmill training on knee joint integrity and to identify the potential threshold for joint damage. Methods Twenty-four Sprague-Dawley rats were randomized into four groups: no exercise, moderate duration, high duration, and extra high duration treadmill exercise. The treadmill training consisted of a 12-week progressive program. Following the intervention period, histologic serial sections of the left knee were graded using a modified Mankin Histology Scoring System. Mechanical testing of the tibial plateau cartilage and RT-qPCR analysis of mRNA from the fat pad, patellar tendon, and synovium were performed for the right knee. Kruskal-Wallis testing was used to assess differences between groups for all variables. Results There were no differences in cartilage integrity or mechanical properties between groups and no differences in mRNA from the fat pad and patellar tendon. However, COX-2 mRNA levels in the synovium were lower for all animals in the exercise intervention groups compared to those in the no exercise group. Conclusions Therefore, these exercise protocols did not exceed the joint physiological window and can likely be used safely in aerobic exercise intervention studies without affecting knee joint health.
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Holyoak DT, Otero M, Armar NS, Ziemian SN, Otto A, Cullinane D, Wright TM, Goldring SR, Goldring MB, van der Meulen MC. Collagen XI mutation lowers susceptibility to load-induced cartilage damage in mice. J Orthop Res 2018; 36:711-720. [PMID: 28898438 PMCID: PMC8813548 DOI: 10.1002/jor.23731] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 08/31/2017] [Indexed: 02/04/2023]
Abstract
Interactions among risk factors for osteoarthritis (OA) are not well understood. We investigated the combined impact of two prevalent risk factors: mechanical loading and genetically abnormal cartilage tissue properties. We used cyclic tibial compression to simulate mechanical loading in the cho/+ (Col11a1 haploinsufficient) mouse, which has abnormal collagen fibrils in cartilage due to a point mutation in the Col11a1 gene. We hypothesized that the mutant collagen would not alter phenotypic bone properties and that cho/+ mice, which develop early onset OA, would develop enhanced load-induced cartilage damage compared to their littermates. To test our hypotheses, we applied cyclic compression to the left tibiae of 6-month-old cho/+ male mice and wild-type (WT) littermates for 1, 2, and 6 weeks at moderate (4.5 N) and high (9.0 N) peak load magnitudes. We then characterized load-induced cartilage and bone changes by histology, microcomputed tomography, and immunohistochemistry. Prior to loading, cho/+ mice had less dense, thinner cortical bone compared to WT littermates. In addition, in loaded and non-loaded limbs, cho/+ mice had thicker cartilage. With high loads, cho/+ mice experienced less load-induced cartilage damage at all time points and displayed decreased matrix metalloproteinase (MMP)-13 levels compared to WT littermates. The thinner, less dense cortical bone and thicker cartilage were unexpected and may have contributed to the reduced severity of load-induced cartilage damage in cho/+ mice. Furthermore, the spontaneous proteoglycan loss resulting from the mutant collagen XI was not additive to cartilage damage from mechanical loading, suggesting that these risk factors act through independent pathways. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:711-720, 2018.
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Affiliation(s)
| | | | | | | | | | | | - Timothy M. Wright
- Cornell University, Ithaca, NY,Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Steven R. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Mary B. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
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Moshtagh PR, Korthagen NM, Plomp SG, Pouran B, Castelein RM, Zadpoor AA, Weinans H. Early Signs of Bone and Cartilage Changes Induced by Treadmill Exercise in Rats. JBMR Plus 2018; 2:134-142. [PMID: 30283898 DOI: 10.1002/jbm4.10029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 12/02/2017] [Accepted: 12/12/2017] [Indexed: 12/14/2022] Open
Abstract
This study aims to investigate the earliest alterations of bone and cartilage tissues as a result of different exercise protocols in the knee joint of Wistar rats. We hypothesize that pretraining to a continuous intense running protocol would protect the animals from cartilage degeneration. Three groups of animals were used: (i) an adaptive (pretraining) running group that ran for 8 weeks with gradually increasing velocity and time of running followed by a constant running program (6 weeks of 1.12 km/hour running per day); (ii) a non-adaptive running (constant running) group that initially rested for 8 weeks followed by 6 weeks of constant running; and (iii) a non-running (control) group. At weeks 8, 14, and 20 bone and cartilage were analyzed. Both running groups developed mild symptoms of cartilage irregularities, such as chondrocyte hypertrophy and cell clustering in different cartilage zones, in particular after the adaptive running protocol. As a result of physical training in the adaptive running exercise a dynamic response of bone was detected at week 8, where bone growth was enhanced. Conversely, the thickness of epiphyseal trabecular and subchondral bone (at week 14) was reduced due to the constant running in the period between 8 and 14 weeks. Finally, the intermediate differences between the two running groups disappeared after both groups had a resting period (from 14 to 20 weeks). The adaptive running group showed an increase in aggrecan gene expression and reduction of MMP2 expression after the initial 8 weeks running. Thus, the running exercise models in this study showed mild bone and cartilage/chondrocyte alterations that can be considered as early-stage osteoarthritis. The pretraining adaptive protocol before constant intense running did not protect from mild cartilage degeneration. © 2017 The Authors. JBMR Plus is published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Parisa R Moshtagh
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Nicoline M Korthagen
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Utrecht The Netherlands
| | - Saskia G Plomp
- Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Utrecht The Netherlands
| | - Behdad Pouran
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Rene M Castelein
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands
| | - Amir A Zadpoor
- Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Harrie Weinans
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands.,Department of Rheumatology University Medical Center Utrecht Utrecht The Netherlands
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Ortega E, Gálvez I, Martín-Cordero L. Extracellular Hsp70 and Low-Grade Inflammation- and Stress-Related Pathologies. HEAT SHOCK PROTEINS AND STRESS 2018. [DOI: 10.1007/978-3-319-90725-3_2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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48
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Mei L, Shen B, Xue J, Liu S, Ma A, Liu F, Shao H, Chen J, Chen Q, Liu F, Ying Y, Ling P. Adipose tissue–derived stem cells in combination with xanthan gum attenuate osteoarthritis progression in an experimental rat model. Biochem Biophys Res Commun 2017; 494:285-291. [DOI: 10.1016/j.bbrc.2017.10.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 10/07/2017] [Indexed: 12/24/2022]
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49
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Chondroitin sulfate and glucosamine sulfate associated to photobiomodulation prevents degenerative morphological changes in an experimental model of osteoarthritis in rats. Lasers Med Sci 2017; 33:549-557. [DOI: 10.1007/s10103-017-2401-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/23/2017] [Indexed: 12/22/2022]
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50
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Zhao C, Liu Q, Wang K. Artesunate attenuates ACLT-induced osteoarthritis by suppressing osteoclastogenesis and aberrant angiogenesis. Biomed Pharmacother 2017; 96:410-416. [DOI: 10.1016/j.biopha.2017.10.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 09/18/2017] [Accepted: 10/02/2017] [Indexed: 01/22/2023] Open
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