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Han T, Zhu T, Lu Y, Wang Q, Bian H, Chen J, Qiao L, He TC, Zheng Q. Collagen type X expression and chondrocyte hypertrophic differentiation during OA and OS development. Am J Cancer Res 2024; 14:1784-1801. [PMID: 38726262 PMCID: PMC11076255 DOI: 10.62347/jwgw7377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 03/15/2024] [Indexed: 05/12/2024] Open
Abstract
Chondrocyte hypertrophy and the expression of its specific marker, the collagen type X gene (COL10A1), constitute key terminal differentiation stages during endochondral ossification in long bone development. Mutations in the COL10A1 gene are known to cause schmid type metaphyseal chondrodysplasia (SMCD) and spondyloepiphyseal dyschondrodysplasia (SMD). Moreover, abnormal COL10A1 expression and aberrant chondrocyte hypertrophy are strongly correlated with skeletal diseases, notably osteoarthritis (OA) and osteosarcoma (OS). Throughout the progression of OA, articular chondrocytes undergo substantial changes in gene expression and phenotype, including a transition to a hypertrophic-like state characterized by the expression of collagen type X, matrix metalloproteinase-13, and alkaline phosphatase. This state is similar to the process of endochondral ossification during cartilage development. OS, the most common pediatric bone cancer, exhibits characteristics of abnormal bone formation alongside the presence of tumor tissue containing cartilaginous components. This observation suggests a potential role for chondrogenesis in the development of OS. A deeper understanding of the shifts in collagen X expression and chondrocyte hypertrophy phenotypes in OA or OS may offer novel insights into their pathogenesis, thereby paving the way for potential therapeutic interventions. This review systematically summarizes the findings from multiple OA models (e.g., transgenic, surgically-induced, mechanically-loaded, and chemically-induced OA models), with a particular focus on their chondrogenic and/or hypertrophic phenotypes and possible signaling pathways. The OS phenotypes and pathogenesis in relation to chondrogenesis, collagen X expression, chondrocyte (hypertrophic) differentiation, and their regulatory mechanisms were also discussed. Together, this review provides novel insights into OA and OS therapeutics, possibly by intervening the process of abnormal endochondral-like pathway with altered collagen type X expression.
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Affiliation(s)
- Tiaotiao Han
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Tianxiang Zhu
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Yaojuan Lu
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Shenzhen Walgenron Bio-Pharm Co., Ltd.Shenzhen 518118, Guangdong, China
| | - Qian Wang
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Department of Human Anatomy, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Huiqin Bian
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Jinnan Chen
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Longwei Qiao
- The Affiliated Suzhou Hospital of Nanjing Medical UniversitySuzhou 215000, Jiangsu, China
| | - Tong-Chuan He
- The Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Qiping Zheng
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Shenzhen Walgenron Bio-Pharm Co., Ltd.Shenzhen 518118, Guangdong, China
- The Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
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Hilliquin S, Zhukouskaya V, Fogel O, Cherifi C, Ibrahim K, Slimani L, Cornelis FMF, Storms L, Hens A, Briot K, Lories R, Chaussain C, Miceli-Richard C, Bardet C. The sacroiliac joint: An original and highly sensitive tool to highlight altered bone phenotype in murine models of skeletal disorders. Bone 2024; 178:116931. [PMID: 37839664 DOI: 10.1016/j.bone.2023.116931] [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: 05/11/2023] [Revised: 09/28/2023] [Accepted: 10/09/2023] [Indexed: 10/17/2023]
Abstract
Bone disorders may affect the skeleton in different ways, some bones being very impaired and others less severely. In translational studies using murine models of human skeletal diseases, the bone phenotype is mainly evaluated at the distal femur or proximal tibia. The sacroiliac joint (SIJ), which connects the spine to the pelvis, is involved in the balanced transfer of mechanical energy from the lumbar spine to the lower extremities. Because of its role in biomechanical stress, the SIJ is a region of particular interest in various bone diseases. Here we aimed to characterize the SIJ in several murine models to develop a highly reliable tool for studying skeletal disorders. We performed a 12-month in vivo micro-computed tomography (micro-CT) follow-up to characterize the SIJ in wild-type (WT) C57BL/J6 mice and compared the bone microarchitecture of the SIJ and the distal femur at 3 months by micro-CT and histology. To test the sensitivity of our methodology, the SIJ and distal femur were evaluated at 3 and 6 months, in 2 murine models of skeletal disorder, X-linked hypophosphatemia (Hyp mice) and HLA-B27 transgenic mice and compared to WT mice. A multimodal analysis was performed, using a combination of microCT and histological analysis. With the Hyp model, the SIJ displayed more bone microarchitecture alterations than the distal femur. Hyp mice showed a significant reduction in trabecular bone at both the distal femur and sacral slope as compared with WT mice, with a significant positive correlation between trabecular bone parameters of the distal femur and sacral side of the SIJ. Furthermore, trabecular bone parameters (Bone Volume/Total Volume (BV/TV), trabecular thickness (Tb.Th), trabecular separation (Tb.Sp), trabecular number (Tb.N), trabecular pattern factor (Tb.Pf)) were significantly increased compared to femoral parameters at the SIJ. The sacral articular cortical bone, which is indicative of osteoarticular lesions, was altered in Hyp mice. Interestingly, in accordance to previous studies, HLA-B27 transgenic mice did not show any osteoarticular lesions as compared with WT mice. Cortical bone parameters (thickness, porosity), as well as scoring performed with double blinding, did not show difference between the 2 genotypes. The characterization and evaluation of the SIJ surface appears very sensitive to emphasize alterations of bone and joint. The SIJ may represent a valuable tool to investigate both bone and local osteoarticular alterations in murine models of skeletal disorders and might be a relevant site for assessing the response to treatment of chronic bone diseases.
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Affiliation(s)
- Stéphane Hilliquin
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France; Department of Rheumatology, Cochin Hospital, Université Paris Cité, Paris, France
| | - Volha Zhukouskaya
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France; Centre de référence des maladies rares du métabolisme du calcium et du phosphate, Plateforme d'expertise maladies rares Paris Saclay, filière OSCAR, EndoRare and BOND ERN, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Olivier Fogel
- Department of Rheumatology, Cochin Hospital, Université Paris Cité, Paris, France
| | - Chahrazad Cherifi
- Laboratoire Gly-CREET, Université Paris-Est Créteil Val de Marne (UPEC) Faculté des sciences et technologies, France
| | - Karim Ibrahim
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France
| | - Lotfi Slimani
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France
| | - Frederique M F Cornelis
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Lies Storms
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Ann Hens
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Karine Briot
- Department of Rheumatology, Cochin Hospital, Université Paris Cité, Paris, France; Centre de référence des maladies rares du métabolisme du calcium et du phosphate, Plateforme d'expertise maladies rares Paris Saclay, filière OSCAR, EndoRare and BOND ERN, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Rik Lories
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, Leuven, Belgium; Division of Rhumatology, University Hospitals Leuven, Leuven, Belgium
| | - Catherine Chaussain
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France; Centre de référence des maladies rares du métabolisme du calcium et du phosphate, Plateforme d'expertise maladies rares Paris Saclay, filière OSCAR, EndoRare and BOND ERN, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France; AP-HP Reference Center for Rare Disorders of the Calcium and Phosphate Metabolism, Dental Medicine Department, Bretonneau Hospital, GHN, 75018 Paris, France
| | | | - Claire Bardet
- Université Paris Cité, Institut des maladies musculo-squelettiques, Laboratory Orofacial Pathologies, Imaging and Biotherapies URP2496 and FHU-DDS-Net, Dental School, and Plateforme d'Imagerie du Vivant (PIV), Montrouge, France.
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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: 19] [Impact Index Per Article: 9.5] [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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Echinacoside Upregulates Sirt1 to Suppress Endoplasmic Reticulum Stress and Inhibit Extracellular Matrix Degradation In Vitro and Ameliorates Osteoarthritis In Vivo. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:3137066. [PMID: 34777682 PMCID: PMC8580641 DOI: 10.1155/2021/3137066] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/08/2021] [Accepted: 10/13/2021] [Indexed: 11/17/2022]
Abstract
Background Osteoarthritis (OA) is a progressive illness that destroys cartilage. Oxidative stress is a major contributor of OA, while endoplasmic reticulum (ER) stress is the key cellular damage under oxidative stress in chondrocytes. Echinacoside (ECH) is the main extract and active substance of Cistanche, with potent antioxidative stress (OS) properties, and currently under clinical trials in China. However, its function in OA is yet to be determined. Purpose We aimed to explore the specific role of ECH in the occurrence and development of OA and its underlying mechanism in vivo and in vitro. Methods After the mice were anesthetized, the bilateral medial knee joint meniscus resection was performed to establish the DMM model. TBHP was used to induce oxidative stress to establish the OA model in chondrocytes in vitro. Western blot and RT-PCR were used to evaluate the level of ER stress-related biomarkers such as p-PERK/PERK, GRP78, ATF4, p-eIF2α/eIF2α, and CHOP and apoptosis-related proteins such as BAX, Bcl-2, and cleaved caspase-3. Meanwhile, we used SO staining, immunofluorescence, and immunohistochemical staining to evaluate the pharmacological effects of ECH in mice in vivo. Results We demonstrated the effectiveness of ECH in suppressing ER stress and restoring ECM metabolism in vitro. In particular, ECH was shown to suppress tert-Butyl hydroperoxide- (TBHP-) induced OS and subsequently lower the levels of p-PERK/PERK, GRP78, ATF4, p-eIF2α/eIF2α, and CHOP in vitro. Simultaneously, ECH reduced MMP13 and ADAMTS5 levels and promoted Aggrecan and Collagen II levels, suggesting ECM degradation suppression. Moreover, we showed that ECH mediates its cellular effects via upregulation of Sirt1. Lastly, we confirmed that ECH can protect against OA in mouse OA models. Conclusion In summary, our findings indicate that ECH can inhibit ER stress and ECM degradation by upregulating Sirt1 in mouse chondrocytes treated with TBHP. It can also prevent OA development in vivo.
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Genetic Variation as a Possible Explanation for the Heterogeneity of Pain in Tendinopathy: What can we learn from other pain syndromes? CENTRAL EUROPEAN JOURNAL OF SPORT SCIENCES AND MEDICINE 2021. [DOI: 10.18276/cej.2021.4-06] [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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Nakamura A, Ali SA, Kapoor M. Antisense oligonucleotide-based therapies for the treatment of osteoarthritis: Opportunities and roadblocks. Bone 2020; 138:115461. [PMID: 32485363 DOI: 10.1016/j.bone.2020.115461] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/28/2020] [Accepted: 05/28/2020] [Indexed: 10/24/2022]
Abstract
Osteoarthritis (OA) is a debilitating disease with no approved disease-modifying therapies. Among the challenges for developing treatment is achieving targeted drug delivery to affected joints. This has contributed to the failure of several drug candidates for the treatment of OA. Over the past 20 years, significant advances have been made in antisense oligonucleotide (ASO) technology for achieving targeted delivery to tissues and cells both in vitro and in vivo. Since ASOs are able to bind specific gene regions and regulate protein translation, they are useful for correcting aberrant endogenous mechanisms associated with certain diseases. ASOs can be delivered locally through intra-articular injection, and can enter cells through natural cellular uptake mechanisms. Despite this, ASOs have yet to be successfully tested in clinical trials for the treatment of OA. Recent chemical modification to ASOs have further improved cellular uptake and reduced toxicity. Among these are locked nucleic acid (LNA)-based ASOs, which have shown promising results in clinical trials for diseases such as hepatitis and dyslipidemia. Recently, LNA-based ASOs have been tested both in vitro and in vivo for their therapeutic potential in OA, and some have shown promising joint-protective effects in preclinical OA animal models. In order to accelerate the testing of ASO therapies in a clinical trial setting for OA, further investigation into delivery mechanisms is required. In this review article, we discuss opportunities for viral-, particle-, biomaterial-, and chemical modification-based therapies, which are currently in preclinical testing. We also address potential roadblocks in the clinical translation of ASO-based therapies for the treatment of OA, such as the limitations associated with OA animal models and the challenges with drug toxicity. Taken together, we review what is known and what would be useful to accelerate translation of ASO-based therapies for the treatment of OA.
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Affiliation(s)
- Akihiro Nakamura
- Arthritis Program, University Health Network, Toronto, Ontario, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada; Institute of Medical Science, University of Toronto, Ontario, Canada; Division of Rheumatology, University Health Network, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Shabana Amanda Ali
- Arthritis Program, University Health Network, Toronto, Ontario, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada; Bone & Joint Center, Department of Orthopaedic Surgery, Henry Ford Health System, Detroit, MI, USA
| | - Mohit Kapoor
- Arthritis Program, University Health Network, Toronto, Ontario, Canada; Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada; Department of Surgery, University of Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada.
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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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Abstract
Osteoarthritis is the commonest degenerative joint disease, leading to joint pain and disability. The mouse has been the primary animal used for research, due to its size, relatively short lifespan, and the availability of genetically modified animals. Importantly, they show pathogenesis similar to osteoarthritis in humans. Mechanical loading is a major risk factor for osteoarthritis, and various mouse models have been developed to study the role and effects of mechanics on health and disease in various joints. This review describes the main mouse models used to non-invasively apply mechanical loads on joints. Most of the mouse models of osteoarthritis target the knee, including repetitive loading and joint injury such as ligament rupture, but a few studies have also characterised models for elbow, temporomandibular joint, and whole-body vibration spinal loading. These models are a great opportunity to dissect the influences of various types of mechanical input on joint health and disease.
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Affiliation(s)
- Blandine Poulet
- Institute of Ageing and Chronic Disease, Musculoskeletal Biology 1, University of Liverpool, Room 286, Second Floor, Apex Building, West Derby Street, Liverpool, L7 8TX, UK.
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Gomez-Cabrera MC, Garcia-Valles R, Rodriguez-Mañas L, Garcia-Garcia FJ, Olaso-Gonzalez G, Salvador-Pascual A, Tarazona-Santabalbina FJ, Viña J. A New Frailty Score for Experimental Animals Based on the Clinical Phenotype: Inactivity as a Model of Frailty. J Gerontol A Biol Sci Med Sci 2017; 72:885-891. [PMID: 28329258 DOI: 10.1093/gerona/glw337] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 12/29/2016] [Indexed: 01/01/2023] Open
Abstract
The development of animal models to study human frailty is important to test interventions to be translated to the clinical practice. The aim of this work was to develop a score for frailty in experimental animals based in the human frailty phenotype. We also tested the effect of physical inactivity in the development of frailty as determined by our score. Male C57Bl/6J mice, individually caged, were randomly assigned to one of two groups: sedentary (inactive) or spontaneous wheel-runners. We compared the sedentary versus the active lifestyle in terms of frailty by evaluating the clinical criteria used in humans: unintentional weight loss; poor endurance (running time); slowness (running speed); weakness (grip strength), and low activity level (motor coordination) at five different ages: 17, 20, 23, 26 and 28 months of age. Each criterion had a designated cut-off point to identify the mice with the lowest performance. Lifelong spontaneous exercise significantly retards frailty. On the contrary sedentary animals become frail as they age. Thus, physical inactivity is a model of frailty in experimental animals. Our frailty score provides a tool to evaluate interventions in mice prior to translating them to clinical practice.
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Affiliation(s)
- Mari Carmen Gomez-Cabrera
- Department of Physiology, University of Valencia, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Rebeca Garcia-Valles
- Department of Physiology, University of Valencia, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Leocadio Rodriguez-Mañas
- Servicio de Geriatría, Hospital Universitario de Getafe, Ministerio de Sanidad y Consumo, Madrid, Spain. Red Temática de Investigación Cooperativa en Envejecimiento y Fragilidad (RETICEF), Instituto de Salud Carlos III
| | | | - Gloria Olaso-Gonzalez
- Department of Physiology, University of Valencia, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Andrea Salvador-Pascual
- Department of Physiology, University of Valencia, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Spain
| | - Francisco Jose Tarazona-Santabalbina
- Department of Geriatric Medicine, Hospital Universitario de la Ribera, Alzira, Spain.,Faculty of Nursing and Medicine, Catholic University of Valencia San Vicente Mártir, Spain
| | - Jose Viña
- Department of Physiology, University of Valencia, Fundación Investigación Hospital Clínico Universitario/INCLIVA, Spain
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van der Kraan PM. Factors that influence outcome in experimental osteoarthritis. Osteoarthritis Cartilage 2017; 25:369-375. [PMID: 27616682 DOI: 10.1016/j.joca.2016.09.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 08/23/2016] [Accepted: 09/01/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) is the most common joint disease but an effective pharmacological therapy has not been developed yet. To identify targets for treatment and ways to interfere with OA development and progression both spontaneous and induced OA models are still needed. In this narrative review it is discussed what variables can be identified that lead to variation in OA animal model studies. DESIGN Literature was screened (Pubmed) with the following terms; OA animal models in combination with species, age, strain, gender/sex, housing, diet, fighting, circadian rhythm, transgenic. Relevant articles were selected and additional papers were searched for and read for specific subtopics. RESULTS Studies with OA models are subject to a multitude of variables, stimuli and conditions that can influence the outcome of an animal experiment. Outcome will depend on amongst others; the model used, species and strain, age, gender, diet, housing conditions, circadian rhythm, timing of intervention, stress levels and activity. Variations in these variables can account for discrepancies between OA model experiments, intervention studies and conclusions. CONCLUSION To improve OA animal model research, investigators should be aware of all the stimuli and conditions that can interfere with disease development and disease intervention and take these into account in their study design and execution.
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Affiliation(s)
- P M van der Kraan
- Experimental Rheumatology, Radboudumc, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands.
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Miyatake K, Muneta T, Ojima M, Yamada J, Matsukura Y, Abula K, Sekiya I, Tsuji K. Coordinate and synergistic effects of extensive treadmill exercise and ovariectomy on articular cartilage degeneration. BMC Musculoskelet Disord 2016; 17:238. [PMID: 27245323 PMCID: PMC4888618 DOI: 10.1186/s12891-016-1094-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 05/24/2016] [Indexed: 01/15/2023] Open
Abstract
Background Although osteoarthritis (OA) is a multifactorial disease, little has been reported regarding the cooperative interaction among these factors on cartilage metabolism. Here we examined the synergistic effect of ovariectomy (OVX) and excessive mechanical stress (forced running) on articular cartilage homeostasis in a mouse model resembling a human postmenopausal condition. Methods Mice were randomly divided into four groups, I: Sham, II: OVX, III: Sham and forced running (60 km in 6 weeks), and IV: OVX and forced running. Histological and immunohistochemical analyses were performed to evaluate the degeneration of articular cartilage and synovitis in the knee joint. Morphological changes of subchondral bone were analyzed by micro-CT. Results Micro-CT analyses showed significant loss of metaphyseal trabecular bone volume/tissue volume (BV/TV) after OVX as described previously. Forced running increased the trabecular BV/TV in all mice. In the epiphyseal region, no visible alteration in bone morphology or osteophyte formation was observed in any of the four groups. Histological analysis revealed that OVX or forced running respectively had subtle effects on cartilage degeneration. However, the combination of OVX and forced running synergistically enhanced synovitis and articular cartilage degeneration. Although morphological changes in chondrocytes were observed during OA initiation, no signs of bone marrow edema were observed in any of the four experimental groups. Conclusion We report the coordinate and synergistic effects of extensive treadmill exercise and ovariectomy on articular cartilage degeneration. Since no surgical procedure was performed on the knee joint directly in this model, this model is useful in addressing the molecular pathogenesis of naturally occurring OA.
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Affiliation(s)
- Kazumasa Miyatake
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Takeshi Muneta
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Miyoko Ojima
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Jun Yamada
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Yu Matsukura
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Kahaer Abula
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan
| | - Kunikazu Tsuji
- Department of Cartilage Regeneration, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan.
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Pate KM, Sherk VD, Carpenter RD, Weaver M, Crapo S, Gally F, Chatham LS, Goldstrohm DA, Crapo JD, Kohrt WM, Bowler RP, Oberley-Deegan RE, Regan EA. The beneficial effects of exercise on cartilage are lost in mice with reduced levels of ECSOD in tissues. J Appl Physiol (1985) 2015; 118:760-7. [PMID: 25593283 DOI: 10.1152/japplphysiol.00112.2014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Osteoarthritis (OA) is associated with increased mechanical damage to joint cartilage. We have previously found that extracellular superoxide dismutase (ECSOD) is decreased in OA joint fluid and cartilage, suggesting oxidant damage may play a role in OA. We explored the effect of forced running as a surrogate for mechanical damage in a transgenic mouse with reduced ECSOD tissue binding. Transgenic mice heterozygous (Het) for the human ECSOD R213G polymorphism and 129-SvEv (wild-type, WT) mice were exposed to forced running on a treadmill for 45 min/day, 5 days/wk, over 8 wk. At the end of the running protocol, knee joint tissue was obtained for histology, immunohistochemistry, and protein analysis. Sedentary Het and WT mice were maintained for comparison. Whole tibias were studied for bone morphometry, finite element analysis, and mechanical testing. Forced running improved joint histology in WT mice. However, when ECSOD levels were reduced, this beneficial effect with running was lost. Het ECSOD runner mice had significantly worse histology scores compared with WT runner mice. Runner mice for both strains had increased bone strength in response to the running protocol, while Het mice showed evidence of a less robust bone structure in both runners and untrained mice. Reduced levels of ECSOD in cartilage produced joint damage when joints were stressed by forced running. The bone tissues responded to increased loading with hypertrophy, regardless of mouse strain. We conclude that ECSOD plays an important role in protecting cartilage from damage caused by mechanical loading.
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Affiliation(s)
- Kathryn M Pate
- Department of Medicine, National Jewish Health, Denver, Colorado;
| | - Vanessa D Sherk
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - R Dana Carpenter
- Department of Mechanical Engineering, University of Colorado, Denver, Colorado; and
| | - Michael Weaver
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Silvia Crapo
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Fabienne Gally
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Lillian S Chatham
- Department of Mechanical Engineering, University of Colorado, Denver, Colorado; and
| | | | - James D Crapo
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Wendy M Kohrt
- Department of Medicine, Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Russell P Bowler
- Department of Medicine, National Jewish Health, Denver, Colorado
| | - Rebecca E Oberley-Deegan
- Department of Medicine, National Jewish Health, Denver, Colorado; Department of Biochemistry and Molecular Biology, University of Nebraska Health Sciences Center, Omaha, Nebraska
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Kim BJ, Kim DW, Kim SH, Cho JH, Lee HJ, Park DY, Park SR, Choi BH, Min BH. Establishment of a reliable and reproducible murine osteoarthritis model. Osteoarthritis Cartilage 2013; 21:2013-20. [PMID: 24120491 DOI: 10.1016/j.joca.2013.09.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 09/11/2013] [Accepted: 09/28/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Many osteoarthritis (OA) models have been developed in mice to understand OA progression and evaluate new OA therapies. However, the individual variation of the joint lesions remains a critical problem in most of the current OA models. We established an OA model in C57BL/6 mice that is more reproducible and amenable to therapeutic intervention by controlling their movement. DESIGN OA was induced in 9-week-old C57BL/6 mice by destabilizing the medial meniscus. The mice were then raised in the standard cage for free movement or in a confined cage customized to restrict movement. Mice in the confined cage were subjected to no exercise or exercise of 400, 800, and 1200 m/day. RESULTS OA lesions of mice in the confined cage were more severe in the exercise group and showed much less variation. However, the patterns of OA lesions over time were quite different depending on the amount of daily exercise; the patterns increased linearly until 8 weeks in 400 m/day exercise group, but showed plateauing after 4 weeks in 800 m/day and 1200 m/day groups. The validity of our novel OA model with movement control was proven by successfully discriminating the therapeutic effect of hyaluronic acid (HA) in histological scores, while the OA model using standard caging showed a statistically insignificant difference. CONCLUSION The mouse OA model using the confine cage and enforced periodic exercise of mice is more reproducible and reliable than standard caging methods.
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Affiliation(s)
- B J Kim
- Department of Molecular Science & Technology, Ajou University, Suwon, South Korea
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15
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Garcia-Valles R, Gomez-Cabrera MC, Rodriguez-Mañas L, Garcia-Garcia FJ, Diaz A, Noguera I, Olaso-Gonzalez G, Viña J. Life-long spontaneous exercise does not prolong lifespan but improves health span in mice. LONGEVITY & HEALTHSPAN 2013; 2:14. [PMID: 24472376 PMCID: PMC3922914 DOI: 10.1186/2046-2395-2-14] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 08/05/2013] [Indexed: 11/26/2022]
Abstract
Background Life expectancy at birth in the first world has increased from 35 years at the beginning of the 20th century to more than 80 years now. The increase in life expectancy has resulted in an increase in age-related diseases and larger numbers of frail and dependent people. The aim of our study was to determine whether life-long spontaneous aerobic exercise affects lifespan and healthspan in mice. Results Male C57Bl/6J mice, individually caged, were randomly assigned to one of two groups: sedentary (n = 72) or spontaneous wheel-runners (n = 72). We evaluated longevity and several health parameters including grip strength, motor coordination, exercise capacity (VO2max) and skeletal muscle mitochondrial biogenesis. We also measured the cortical levels of the brain-derived neurotrophic factor (BDNF), a neurotrophin associated with brain plasticity. In addition, we measured systemic oxidative stress (malondialdehyde and protein carbonyl plasma levels) and the expression and activity of two genes involved in antioxidant defense in the liver (that is, glutathione peroxidase (GPx) and manganese superoxide dismutase (Mn-SOD)). Genes that encode antioxidant enzymes are considered longevity genes because their over-expression may modulate lifespan. Aging was associated with an increase in oxidative stress biomarkers and in the activity of the antioxidant enzymes, GPx and Mn-SOD, in the liver in mice. Life-long spontaneous exercise did not prolong longevity but prevented several signs of frailty (that is, decrease in strength, endurance and motor coordination). This improvement was accompanied by a significant increase in the mitochondrial biogenesis in skeletal muscle and in the cortical BDNF levels. Conclusion Life-long spontaneous exercise does not prolong lifespan but improves healthspan in mice. Exercise is an intervention that delays age-associated frailty, enhances function and can be translated into the clinic.
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Affiliation(s)
| | | | | | | | | | | | | | - Jose Viña
- Department of Physiology, Faculty of Medicine, University of Valencia, Fundacion Investigacion Hospital Clinico Universitario/INCLIVA, Av, Blasco Ibañez, 15, Valencia 46010, Spain.
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16
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Poulet B, Westerhof TAT, Hamilton RW, Shefelbine SJ, Pitsillides AA. Spontaneous osteoarthritis in Str/ort mice is unlikely due to greater vulnerability to mechanical trauma. Osteoarthritis Cartilage 2013; 21:756-63. [PMID: 23467034 DOI: 10.1016/j.joca.2013.02.652] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 02/13/2013] [Accepted: 02/21/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Relative contributions of genetic and mechanical factors to osteoarthritis (OA) remain ill-defined. We have used a joint loading model found to produce focal articular cartilage (AC) lesions, to address whether genetic susceptibility to OA in Str/ort mice is related to AC vulnerability to mechanical trauma and whether joint loading influences spontaneous OA development. We also develop finite element (FE) models to examine whether AC thickness may explain any differential vulnerability to load-induced lesions. METHODS Right knees of 8-week-old Str/ort mice were loaded, AC integrity scored and thickness compared to CBA mice. Mechanical forces engendered in this model and the impact of AC thickness were simulated in C57Bl/6 mice using quasi-static FE modelling. RESULTS Unlike joints in non-OA prone CBA mice, Str/ort knees did not exhibit lateral femur (LF) lesions in response to applied loading; but exhibited thicker AC. FE modeling showed increased contact pressure and shear on the lateral femoral surface in loaded joints, and these diminished in joints containing thicker AC. Histological analysis of natural lesions in the tibia of Str/ort joints revealed that applied loading increased OA severity, proteoglycan loss and collagen type II degradation. CONCLUSION Genetic OA susceptibility in Str/ort mice is not apparently related to greater AC vulnerability to trauma, but joint loading modifies severity of natural OA lesions in the medial tibia. FE modelling suggests that thicker AC in Str/ort mice diminishes tissue stresses and protects against load-induced AC lesions in the LF but that this is unrelated to their genetic susceptibility to OA.
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Affiliation(s)
- B Poulet
- Lifestyle Research Group, The Royal Veterinary College, Royal College Street, University of London, NW1 0TU, UK.
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17
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Griffin TM, Huebner JL, Kraus VB, Yan Z, Guilak F. Induction of osteoarthritis and metabolic inflammation by a very high-fat diet in mice: effects of short-term exercise. ACTA ACUST UNITED AC 2012; 64:443-53. [PMID: 21953366 DOI: 10.1002/art.33332] [Citation(s) in RCA: 171] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To test the hypotheses that obesity due to a very high-fat diet induces knee osteoarthritis (OA), and that short-term wheel-running exercise protects against obesity-induced knee OA by reducing systemic inflammation and metabolic dysregulation. METHODS Male C57BL/6J mice were fed either a control diet (13.5% kcal from fat) or a very high-fat diet (60% kcal from fat) from age 12 weeks to age 24 weeks. From 20 to 24 weeks of age, half of the mice were housed with running wheels. The severity of knee OA was determined by assessing histopathologic features, and serum cytokines were measured using a multiplex bead immunoassay and enzyme-linked immunosorbent assays. Body composition was quantified by dual-energy x-ray absorptiometry, and insulin resistance was assessed by glucose tolerance testing. RESULTS Feeding mice with a very high-fat diet increased knee OA scores and levels of serum leptin, adiponectin, KC (mouse analog of interleukin-8 [IL-8]), monokine induced by interferon-γ (CXCL9), and IL-1 receptor antagonist to an extent in proportion to the gain in body fat (3-fold increase in percent body fat compared to controls). Wheel-running exercise reduced progression of OA in the medial femur of obese mice. In addition, exercise disrupted the clustering of cytokine expression and improved glucose tolerance, without reducing body fat or cytokine levels. CONCLUSION Obesity induced by a very high-fat diet in mice causes OA and systemic inflammation in proportion to body fat. Increased joint loading is not sufficient to explain the increased incidence of knee OA with obesity, as wheel running is protective rather than damaging. Exercise improves glucose tolerance and disrupts the coexpression of proinflammatory cytokines, suggesting that increased aerobic exercise may act independently of weight loss in promoting joint health.
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18
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Närhi T, Siitonen U, Lehto LJ, Hyttinen MM, Arokoski JPA, Brama PA, Jurvelin JS, Helminen HJ, Julkunen P. Minor influence of lifelong voluntary exercise on composition, structure, and incidence of osteoarthritis in tibial articular cartilage of mice compared with major effects caused by growth, maturation, and aging. Connect Tissue Res 2011; 52:380-92. [PMID: 21405978 DOI: 10.3109/03008207.2010.544428] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
We investigated the effects of lifelong voluntary exercise on articular cartilage of mice. At the age of 4 weeks C57BL mice (n = 152) were divided into two groups, with one group serving as a sedentary control whereas the other was allowed free access to a running wheel from the age of 1 month onward. Mice were euthanized at four different time points (1, 2, 6, and 18 months of age). Articular cartilage samples were gathered from the load-bearing area of the tibial medial plateaus, and osteoarthritis was graded. Additionally, the proteoglycan content distribution was assessed using digital densitometry, collagen fibril orientation, and parallelism with polarized light microscopy, and collagen content using Fourier transform infrared imaging spectroscopy. The incidence of osteoarthritis increased with aging, but exercise had no effect on this trend. Furthermore, the structure and composition revealed significant growth, maturation, and age-dependent properties. Exercise exerted a minor effect on collagen fibril orientation in the superficial zone. Fibril orientation at 2 months of age was more perpendicular to surface (p < 0.05) in controls compared with runners, whereas the situation was reversed at the age of 18 months (p < 0.05). The collagen content of the superficial zone was higher (p < 0.01) at the age of 18 months in controls compared with runners but the proteoglycan content did not display any exercise-dependent changes. In conclusion, growth, maturation, and aging exerted a clear effect on integrity, structure, and composition of medial tibial plateau articular cartilage in mice, whereas lifelong voluntary exercise had only a minor effect on collagen architecture and content.
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Affiliation(s)
- Tommi Närhi
- Department of Anatomy, Institute of Biomedicine, University of Eastern Finland , Kuopio , Finland
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19
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Animal models of osteoarthritis. Rheumatology (Oxford) 2011. [DOI: 10.1016/b978-0-323-06551-1.00172-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] Open
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Nondestructive assessment of sGAG content and distribution in normal and degraded rat articular cartilage via EPIC-microCT. Osteoarthritis Cartilage 2010; 18:65-72. [PMID: 19744590 PMCID: PMC3268049 DOI: 10.1016/j.joca.2009.07.014] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2008] [Revised: 06/05/2009] [Accepted: 07/16/2009] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The objective of this study was to evaluate the feasibility of quantifying the Equilibrium Partitioning of an Ionic Contrast agent via Microcomputed Tomography (EPIC-microCT) to nondestructively assess sulfated glycosaminoglycan (sGAG) content and distribution in rat articular cartilage ex vivo, and in doing so to establish a paradigm for extension of this technique to other small animal models. DESIGN After determination of an appropriate incubation time for the anionic contrast agent, EPIC-microCT was used to examine age-related differences in cartilage sGAG content between 4-, 8-, and 16-week old (n=5 each) male Wistar rats and to evaluate sGAG depletion in the right femora of each age group after 60 min of digestion with chondroitinase ABC. The EPIC-microCT measurements were validated by histological safranin-O staining, and reproducibility was evaluated by triplicate scans of six femora. RESULTS Cartilage attenuation gradually increased with cumulative digestion time and reached a plateau at approximately 60 min with a 16.0% temporal increase (P<0.01). Average femoral articular cartilage attenuation increased by 14.2% from 4- to 8-weeks of age (P<0.01) and further increased by 2.5% from 8 to 16 weeks (P<0.05). After 60 min of digestion, femoral articular cartilage attenuations increased by 15-17% in each age group (P<0.01). Correspondingly, sGAG optical density decreased with age and digestion, and showed a linear correlation (r=-0.88, slope=-1.26, P<0.01, n=30) with EPIC-microCT cartilage attenuation. High reproducibility was indicated by a low coefficient of variation (1.5%) in cartilage attenuation. CONCLUSIONS EPIC-microCT imaging provides high spatial resolution and sensitivity to assess sGAG content and three-dimensional distribution in rat femoral articular cartilage.
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Vos P, Interma F, van El B, DeGroot J, Bijlsma JWJ, Lafeber F, Mastbergen S. Does loading influence the severity of cartilage degeneration in the canine Groove-model of OA? J Orthop Res 2009; 27:1332-8. [PMID: 19382194 DOI: 10.1002/jor.20897] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Many animal models are used to study osteoarthritis (OA). In these models the role of joint loading in the development of OA is not fully understood. We studied the effect of loading on the development of OA in the canine Groove-model. In ten female beagle dogs OA was induced in one knee according to the Groove-model. The animals were divided in groups with and without forced-loading. Forced-loading was achieved by fixing the contra-lateral limb to the trunk 3 times a week for 4 hours. After 20 weeks joint tissues of all dogs were evaluated. Subjective evaluation revealed less movement with more loading in the forced-loading-group compared to the group without forced-loading. In both groups induction of OA resulted in macroscopical and microscopical OA changes as well as alterations in cartilage metabolism characteristics for OA. Although differences were small, for some parameters they were statistically significant for the forced-loading-group. There were no differences between the contra-lateral healthy joints of both groups. The present study demonstrates that in the Groove-model intensified loading is not a prerequisite for the development of OA, although it adds to some extent to the severity of the OA.
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Affiliation(s)
- Petra Vos
- Department of Rheumatology and Clinical Immunology, University Medical Center, P.O. Box 95500, Utrecht, The Netherlands.
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22
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Kilts T, Ameye L, Syed-Picard F, Ono M, Berendsen AD, Oldberg A, Heegaard AM, Bi Y, Young MF. Potential roles for the small leucine-rich proteoglycans biglycan and fibromodulin in ectopic ossification of tendon induced by exercise and in modulating rotarod performance. Scand J Med Sci Sports 2009; 19:536-46. [PMID: 19422643 DOI: 10.1111/j.1600-0838.2009.00909.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We present a detailed comparison of ectopic ossification (EO) found in tendons of biglycan (Bgn), fibromodulin (Fmod) single and double Bgn/Fmod-deficient (DKO) mice with aging. At 3 months, Fmod KO, Bgn KO and DKO displayed torn cruciate ligaments and EO in their quadriceps tendon, menisci and cruciate and patellar ligaments. The phenotype was the least severe in the Fmod KO, intermediate in the Bgn KO and the most severe in the DKO. This condition progressed with age in all three mouse strains and resulted in the development of large supernumerary sesmoid bones. To determine the role of exercise in the extent of EO, we subjected normal and DKO mice to a treadmill exercise 3 days a week for 4 weeks. In contrast to previous findings using more rigorous exercise regimes, the EO in moderately exercised DKO was decreased compared with unexercised DKO mice. Finally, DKO and Bgn KO mice tested using a rotarod showed a reduced ability to maintain their grip on a rotating cylinder compared with wild-type controls. In summary, we show (1) a detailed description of EO formed by Bgn, Fmod or combined depletion, (2) the role of exercise in modulating EO and (3) that Bgn and Fmod are critical in controlling motor function.
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Affiliation(s)
- T Kilts
- Molecular Biology of Bones and Teeth Section, Craniofacial and Skeletal Diseases Branch, National Institutes of Dental and Craniofacial Research, National Institutes of Health, Maryland, USA
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23
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Analysis of arthritic lesions in the Del1 mouse: a model for osteoarthritis. METHODS IN MOLECULAR MEDICINE 2007; 136:283-302. [PMID: 17983156 DOI: 10.1007/978-1-59745-402-5_21] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Osteoarthritis (OA) is characterised by progressive erosion of articular cartilage with a number of associated degenerative processes within the joint. Animal models of OA provide the only feasible way to systematically study the development and progression of OA, in order to understand the molecular events, and to develop tools for prevention and therapy of OA. Gene manipulation techniques have provided opportunities to generate transgenic mouse models for OA. In heterozygous Dell mice, incorporation of Col2a1 transgenes with a short deletion mutation results in production of shortened proalpha1 (II) collagen chains and a phenotype resembling human OA. This chapter describes techniques and practical aspects of preparation and processing of skeletal samples for radiological, histological, and molecular biologic analyses that have been used to monitor the development of knee OA in Dell mice. A simple histological grading system to evaluate the progression of OA lesions, and examples of other degenerative alterations in the knee joint structures are presented. Semiquantitative microscopic techniques are described for the analysis of proteoglycan distribution based on safranin O staining of glycosaminoglycans, and for the analysis of collagen matrix based on birefringence of polarized light. Reference is also made to an experimental setup for correlating voluntary running activity of mice with OA score.
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24
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Stoker AM, Cook JL, Kuroki K, Fox DB. Site-specific analysis of gene expression in early osteoarthritis using the Pond-Nuki model in dogs. J Orthop Surg Res 2006; 1:8. [PMID: 17150128 PMCID: PMC1636033 DOI: 10.1186/1749-799x-1-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2006] [Accepted: 10/10/2006] [Indexed: 11/10/2022] Open
Abstract
Background Osteoarthritis (OA) is a progressive and debilitating disease that often develops from a focal lesion and may take years to clinically manifest to a complete loss of joint structure and function. Currently, there is not a cure for OA, but early diagnosis and initiation of treatment may dramatically improve the prognosis and quality of life for affected individuals. This study was designed to determine the feasibility of analyzing changes in gene expression of articular cartilage using the Pond-Nuki model two weeks after ACL-transection in dogs, and to characterize the changes observed at this time point. Methods The ACL of four dogs was completely transected arthroscopically, and the contralateral limb was used as the non-operated control. After two weeks the dogs were euthanatized and tissues harvested from the tibial plateau and femoral condyles of both limbs. Two dogs were used for histologic analysis and Mankin scoring. From the other two dogs the surface of the femoral condyle and tibial plateau were divided into four regions each, and tissues were harvested from each region for biochemical (GAG and HP) and gene expression analysis. Significant changes in gene expression were determined using REST-XL, and Mann-Whitney rank sum test was used to analyze biochemical data. Significance was set at (p < 0.05). Results Significant differences were not observed between ACL-X and control limbs for Mankin scores or GAG and HP tissue content. Further, damage to the tissue was not observed grossly by India ink staining. However, significant changes in gene expression were observed between ACL-X and control tissues from each region analyzed, and indicate that a unique regional gene expression profile for impending ACL-X induced joint pathology may be identified in future studies. Conclusion The data obtained from this study lend credence to the research approach and model for the characterization of OA, and the identification and validation of future diagnostic modalities. Further, the changes observed in this study may reflect the earliest changes in AC reported during the development of OA, and may signify pathologic changes within a stage of disease that is potentially reversible.
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Affiliation(s)
- Aaron M Stoker
- The Comparative Orthopaedic Laboratory, University of Missouri Columbia, 379 E Campus Dr, Columbia, MO, USA
| | - James L Cook
- The Comparative Orthopaedic Laboratory, University of Missouri Columbia, 379 E Campus Dr, Columbia, MO, USA
| | - Keiichi Kuroki
- Kansas State University Veterinary Diagnostic Laboratory, Kansas State University, 1800 Denison Avenue, Manhattan, KS, USA
| | - Derek B Fox
- The Comparative Orthopaedic Laboratory, University of Missouri Columbia, 379 E Campus Dr, Columbia, MO, USA
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Kutz WE, Gong Y, Warman ML. WISP3, the gene responsible for the human skeletal disease progressive pseudorheumatoid dysplasia, is not essential for skeletal function in mice. Mol Cell Biol 2005; 25:414-21. [PMID: 15601861 PMCID: PMC538768 DOI: 10.1128/mcb.25.1.414-421.2005] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In humans, loss-of-function mutations in WISP3 cause the autosomal recessive skeletal disease progressive pseudorheumatoid dysplasia (PPD) (Online Mendelian Inheritance in Man database number 208230). WISP3 encodes Wnt1-inducible signaling protein 3, a cysteine-rich, multidomain, secreted protein, whose paralogous CCN (connective tissue growth factor/cysteine-rich protein 61/nephroblastoma overexpressed) family members have been implicated in diverse biologic processes including skeletal, vascular, and neural development. To understand the role of WISP3 in the skeleton, we targeted the Wisp3 gene in mice by creating a mutant allele comparable to that which causes human disease. We also created transgenic mice that overexpress human WISP3 in cartilage. Surprisingly, homozygous Wisp3 mutant mice appear normal and do not recapitulate any of the morphological, radiographic, or histological abnormalities seen in patients with PPD. Mice that overexpress WISP3 are also normal. We conclude, that in contrast to humans, Wisp3 is not an essential participant during skeletal growth or homeostasis in mice.
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Affiliation(s)
- Wendy E Kutz
- Department of Genetics, Case Western Reserve University, 2109 Adelbert Road, BRB 719, Cleveland, OH 44106-4955, USA
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