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Thorup AS, Dell'Accio F, Eldridge SE. A Mouse Model of Acute Cartilage Injury and Repair. Methods Mol Biol 2023; 2598:337-344. [PMID: 36355303 DOI: 10.1007/978-1-0716-2839-3_24] [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: 11/12/2022]
Abstract
Chondral defects are common and disabling. The development of pharmacological approaches for cartilage repair requires the availability of in vivo models which are amenable for gain and loss of function and ideally to genetic modification. In this chapter, we describe a method to induce full-thickness cartilage defects which, in young DBA/1 mice, heal spontaneously, but fail to heal in C57BL/6 mice of the same age or in aged DBA/1 mice. This model (or variants) has been used for genetic screenings to identify genes associated to repair capacity, to study stem cells involved in cartilage repair, and to study the function of molecules involved in repair mechanisms.
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Affiliation(s)
- Anne-Sophie Thorup
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Francesco Dell'Accio
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Suzanne E Eldridge
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
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Wesdorp MA, Capar S, Bastiaansen-Jenniskens YM, Kops N, Creemers LB, Verhaar JA, Van Osch GJ, Wei W. Intra-articular Administration of Triamcinolone Acetonide in a Murine Cartilage Defect Model Reduces Inflammation but Inhibits Endogenous Cartilage Repair. Am J Sports Med 2022; 50:1668-1678. [PMID: 35315287 PMCID: PMC9069659 DOI: 10.1177/03635465221083693] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Cartilage defects result in joint inflammation. The presence of proinflammatory factors has been described to negatively affect cartilage formation. PURPOSE To evaluate the effect and timing of administration of triamcinolone acetonide (TAA), an anti-inflammatory drug, on cartilage repair using a mouse model. STUDY DESIGN Controlled laboratory study. METHODS A full-thickness cartilage defect was created in the trochlear groove of 10-week-old male DBA/1 mice (N = 80). Mice received an intra-articular injection of TAA or saline on day 1 or 7 after induction of the defect. Mice were euthanized on days 10 and 28 for histological evaluation of cartilage defect repair, synovial inflammation, and synovial membrane thickness. RESULTS Mice injected with TAA had significantly less synovial inflammation at day 10 than saline-injected mice independent of the time of administration. At day 28, the levels of synovitis dropped toward healthy levels; nevertheless, the synovial membrane was thinner in TAA- than in saline-injected mice, reaching statistical significance in animals injected on day 1 (70.1 ± 31.9 µm vs 111.9 ± 30.9 µm, respectively; P = .01) but not in animals injected on day 7 (68.2 ± 21.86 µm vs 90.2 ± 21.29 µm, respectively; P = .26). A thinner synovial membrane was moderately associated with less filling of the defect after 10 and 28 days (r = 0.42, P = .02; r = 0.47, P = .01, respectively). Whereas 10 days after surgery there was no difference in the area of the defect filled and the cell density in the defect area between saline- and TAA-injected knees, filling of the defect at day 28 was lower in TAA- than in saline-injected knees for both injection time points (day 1 injection, P = .04; day 7 injection, P = .01). Moreover, there was less collagen type 2 staining in the filled defect area in TAA- than in saline-injected knees after 28 days, reaching statistical significance in day 1-injected knees (2.6% vs 18.5%, respectively; P = .01) but not in day 7-injected knees (7.4% vs 15.8%, respectively; P = .27). CONCLUSION Intra-articular injection of TAA reduced synovial inflammation but negatively affected cartilage repair. This implies that inhibition of inflammation may inhibit cartilage repair or that TAA has a direct negative effect on cartilage formation. CLINICAL RELEVANCE Our findings show that TAA can inhibit cartilage defect repair. Therefore, we suggest not using TAA to reduce inflammation in a cartilage repair setting.
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Affiliation(s)
- Marinus A. Wesdorp
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Serdar Capar
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | | | - Nicole Kops
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Laura B. Creemers
- Department of Orthopedic Surgery, UMC Utrecht, University Medical Center, Utrecht, the Netherlands
| | - Jan A.N. Verhaar
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Gerjo J.V.M. Van Osch
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands,Department of Otorhinolaryngology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands,Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Delft, the Netherlands,Gerjo J.V.M. Van Osch, PhD, Department of Orthopaedic Surgery and Sports Medicine and Department of Otorhinolaryngology, Erasmus MC, University Medical Center, Room Ee16.55c, Dr Molewaterplein 40, Rotterdam, 3015 GD, the Netherlands ()
| | - Wu Wei
- Department of Orthopaedic Surgery and Sports Medicine, Erasmus MC, University Medical Center, Rotterdam, the Netherlands,Department of Orthopedic Surgery, Elisabeth-Tweesteden Ziekenhuis, Tilburg, the Netherlands
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Drevet S, Favier B, Brun E, Gavazzi G, Lardy B. Mouse Models of Osteoarthritis: A Summary of Models and Outcomes Assessment. Comp Med 2022; 72:3-13. [PMID: 34986927 DOI: 10.30802/aalas-cm-21-000043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Osteoarthritis (OA) is a multidimensional health problem and a common chronic disease. It has a substantial impact onpatient quality of life and is a common cause of pain and mobility issues in older adults. The functional limitations, lack of curative treatments, and cost to society all demonstrate the need for translational and clinical research. The use of OA models in mice is important for achieving a better understanding of the disease. Models with clinical relevance are needed to achieve 2 main goals: to assess the impact of the OA disease (pain and function) and to study the efficacy of potential treatments. However, few OA models include practical strategies for functional assessment of the mice. OA signs in mice incorporate complex interrelations between pain and dysfunction. The current review provides a comprehensive compilation of mousemodels of OA and animal evaluations that include static and dynamic clinical assessment of the mice, merging evaluationof pain and function by using automatic and noninvasive techniques. These new techniques allow simultaneous recordingof spontaneous activity from thousands of home cages and also monitor environment conditions. Technologies such as videographyand computational approaches can also be used to improve pain assessment in rodents but these new tools must first be validated experimentally. An example of a new tool is the digital ventilated cage, which is an automated home-cage monitor that records spontaneous activity in the cages.
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Pierre C, Guillebaud F, Airault C, Baril N, Barbouche R, Save E, Gaigé S, Bariohay B, Dallaporta M, Troadec JD. Invalidation of Microsomal Prostaglandin E Synthase-1 (mPGES-1) Reduces Diet-Induced Low-Grade Inflammation and Adiposity. Front Physiol 2018; 9:1358. [PMID: 30333759 PMCID: PMC6176076 DOI: 10.3389/fphys.2018.01358] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 09/07/2018] [Indexed: 01/04/2023] Open
Abstract
Chronic low-grade inflammation is known to be linked to obesity, and to occur in the early stages of the disease. This mechanism is complex and involves numerous organs, cells, and cytokines. In this context, inflammation of white adipose tissue seems to play a key role in the development of obesity. Because of its properties, prostaglandin E2 (PGE2), an emblematic inflammatory mediator, has been proposed as an actor linking inflammation and obesity. Indeed, PGE2 is involved in mechanisms that are dysregulated in obesity such as lipolysis and adipogenesis. Microsomal prostaglandin E synthase-1 (mPGES-1) is an enzyme, which specifically catalyzes the final step of PGE2 biosynthesis. Interestingly, mPGES-1 invalidation dramatically alters the production of PGE2 during inflammation. In the present work, we sought to determine whether mPGES-1 could contribute to inflammation associated with obesity. To this end, we analyzed the energy metabolism of mPGES-1 deficient mice (mPGES-1-/-) and littermate controls, fed with a high-fat diet. Our data showed that mPGES-1-/- mice exhibited resistance to diet-induced obesity when compared to wild-type littermates. mPGES-1-/- mice fed with a high-fat diet, showed a lower body weight gain and a reduced adiposity, which were accompanied by a decrease in adipose tissues inflammation. We also observed an increase in energy expenditures in mPGES-1-/- mice fed with a high-fat diet without any changes in activity and browning process. Altogether, these data suggest that mPGES-1 inhibition may prevent diet-induced obesity.
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Affiliation(s)
- Clément Pierre
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France.,Biomeostasis CRO, La Penne-sur-Huveaune, France
| | - Florent Guillebaud
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | - Coraline Airault
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | - Nathalie Baril
- CNRS, Fédération de Recherche 3C FR 3512, Aix-Marseille Université, Marseille, France
| | - Rym Barbouche
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | - Etienne Save
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | - Stéphanie Gaigé
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | | | - Michel Dallaporta
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
| | - Jean-Denis Troadec
- Aix Marseille Université, CNRS, Laboratoire de Neurosciences Cognitives UMR 7291, Marseille, France
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