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Chapman JH, Ghosh D, Attari S, Ude CC, Laurencin CT. Animal Models of Osteoarthritis: Updated Models and Outcome Measures 2016-2023. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2024; 10:127-146. [PMID: 38983776 PMCID: PMC11233113 DOI: 10.1007/s40883-023-00309-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/19/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2024]
Abstract
Purpose Osteoarthritis (OA) is a global musculoskeletal disorder that affects primarily the knee and hip joints without any FDA-approved disease-modifying therapies. Animal models are essential research tools in developing therapies for OA; many animal studies have provided data for the initiation of human clinical trials. Despite this, there is still a need for strategies to recapitulate the human experience using animal models to better develop treatments and understand pathogenesis. Since our last review on animal models of osteoarthritis in 2016, there have been exciting updates in OA research and models. The main purpose of this review is to update the latest animal models and key features of studies in OA research. Method We used our existing classification method and screened articles in PubMed and bibliographic search for animal OA models between 2016 and 2023. Relevant and high-cited articles were chosen for inclusion in this narrative review. Results Recent studies were analyzed and classified. We also identified ex vivo models as an area of ongoing research. Each animal model offers its own benefit in the study of OA and there are a full range of outcome measures that can be assessed. Despite the vast number of models, each has its drawbacks that have limited translating approved therapies for human use. Conclusion Depending on the outcome measures and objective of the study, researchers should pick the best model for their work. There have been several exciting studies since 2016 that have taken advantage of regenerative engineering techniques to develop therapies and better understand OA. Lay Summary Osteoarthritis (OA) is a chronic debilitating disease without any cure that affects mostly the knee and hip joints and often results in surgical joint replacement. Cartilage protects the joint from mechanical forces and degrades with age or in response to injury. The many contributing causes of OA are still being investigated, and animals are used for preclinical research and to test potential new treatments. A single consensus OA animal model for preclinical studies is non-existent. In this article, we review the many animal models for OA and provide a much-needed update on studies and model development since 2016.
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Affiliation(s)
- James H. Chapman
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Debolina Ghosh
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Seyyedmorteza Attari
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Chinedu C. Ude
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Cato T. Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Chemical and Bimolecular Engineering, University of Connecticut, Storrs, CT 06269, USA
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2
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Cramer EEA, de Wildt BWM, Hendriks JGE, Ito K, Hofmann S. Integration of osteoclastogenesis through addition of PBMCs in human osteochondral explants cultured ex vivo. Bone 2024; 178:116935. [PMID: 37852425 DOI: 10.1016/j.bone.2023.116935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/29/2023] [Accepted: 10/10/2023] [Indexed: 10/20/2023]
Abstract
The preservation of tissue specific cells in their native 3D extracellular matrix in bone explants provides a unique platform to study remodeling. Thus far, studies involving bone explant cultures showed a clear focus on achieving bone formation and neglected osteoclast activity and resorption. To simulate the homeostatic bone environment ex vivo, both key elements of bone remodeling need to be represented. This study aimed to assess and include osteoclastogenesis in human osteochondral explants through medium supplementation with RANKL and M-CSF and addition of peripheral blood mononuclear cells (PBMCs), providing osteoclast precursors. Osteochondral explants were freshly harvested from human femoral heads obtained from hip surgeries and cultured for 20 days in a two-compartment culture system. Osteochondral explants preserved viability and cellular abundance over the culture period, but histology demonstrated that resident osteoclasts were no longer present after 4 days of culture. Quantitative extracellular tartrate resistant acid phosphatase (TRAP) analysis confirmed depletion of osteoclast activity on day 4 even when stimulated with RANKL and M-CSF. Upon addition of PBMCs, a significant upregulation of TRAP activity was measured from day 10 onwards. Evaluation of bone loss trough μCT registration and measurement of extracellular cathepsin K activity revealed indications of enhanced resorption upon addition of PBMCs. Based on the results we suggest that an external source of osteoclast precursors, such as PBMCs, needs to be added in long-term bone explant cultures to maintain osteoclastic activity, and bone remodeling.
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Affiliation(s)
- Esther E A Cramer
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands
| | - Bregje W M de Wildt
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands
| | - Johannes G E Hendriks
- Department of Orthopedic Surgery & Trauma, Máxima Medical Center Eindhoven/Veldhoven, 5631 BM Eindhoven, the Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands
| | - Sandra Hofmann
- Orthopaedic Biomechanics, Department of Biomedical Engineering and Institute of Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands.
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3
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Giannasi C, Mangiavini L, Niada S, Colombo A, Della Morte E, Vismara V, Ambrosanio A, Savadori P, Casati S, Peretti GM, Brini AT. Human Osteochondral Explants as an Ex Vivo Model of Osteoarthritis for the Assessment of a Novel Class of Orthobiologics. Pharmaceutics 2022; 14:pharmaceutics14061231. [PMID: 35745803 PMCID: PMC9229444 DOI: 10.3390/pharmaceutics14061231] [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: 05/02/2022] [Revised: 05/27/2022] [Accepted: 06/08/2022] [Indexed: 11/30/2022] Open
Abstract
Osteoarthritis (OA) is a highly prevalent joint disease still lacking effective treatments. Its multifactorial etiology hampers the development of relevant preclinical models to evaluate innovative therapeutic solutions. In the last decade, the potential of Mesenchymal Stem Cell (MSC) secretome, or conditioned medium (CM), has emerged as an alternative to cell therapy. Here, we investigated the effects of the CM from adipose MSCs (ASCs), accounting for both soluble factors and extracellular vesicles, on human osteochondral explants. Biopsies, isolated from total knee replacement surgery, were cultured without additional treatment or with the CM from 106 ASCs, both in the absence and in the presence of 10 ng/mL TNFα. Tissue viability and several OA-related hallmarks were monitored at 1, 3 and 6 days. Specimen viability was maintained over culture. After 3 days, TNFα induced the enhancement of matrix metalloproteinase activity and glycosaminoglycan release, both efficiently counteracted by CM. The screening of inflammatory lipids, proteases and cytokines outlined interesting modulations, driving the attention to new players in the OA process. Here, we confirmed the promising beneficial action of ASC secretome in the OA context and profiled several bioactive factors involved in its progression, in the perspective of accelerating an answer to its unmet clinical needs.
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Affiliation(s)
- Chiara Giannasi
- Department of Biomedical Surgical and Dental Sciences, University of Milan, 20129 Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
| | - Laura Mangiavini
- IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, 20129 Milan, Italy
| | | | - Andrea Colombo
- Residency Program in Orthopedics and Traumatology, University of Milan, 20129 Milan, Italy
| | | | - Valeria Vismara
- Residency Program in Orthopedics and Traumatology, University of Milan, 20129 Milan, Italy
| | - Andrea Ambrosanio
- Residency Program in Orthopedics and Traumatology, University of Milan, 20129 Milan, Italy
| | - Paolo Savadori
- Department of Biomedical Surgical and Dental Sciences, University of Milan, 20129 Milan, Italy
| | - Sara Casati
- Department of Biomedical Surgical and Dental Sciences, University of Milan, 20129 Milan, Italy
| | - Giuseppe M Peretti
- IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
- Department of Biomedical Sciences for Health, University of Milan, 20129 Milan, Italy
| | - Anna Teresa Brini
- Department of Biomedical Surgical and Dental Sciences, University of Milan, 20129 Milan, Italy
- IRCCS Istituto Ortopedico Galeazzi, 20161 Milan, Italy
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Joint-on-chip platforms: entering a new era of in vitro models for arthritis. Nat Rev Rheumatol 2022; 18:217-231. [DOI: 10.1038/s41584-021-00736-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2021] [Indexed: 12/12/2022]
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5
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Li K, Zhang P, Zhu Y, Alini M, Grad S, Li Z. Establishment of an Ex Vivo Inflammatory Osteoarthritis Model With Human Osteochondral Explants. Front Bioeng Biotechnol 2022; 9:787020. [PMID: 34993189 PMCID: PMC8724558 DOI: 10.3389/fbioe.2021.787020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/25/2021] [Indexed: 01/16/2023] Open
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease without clear pathophysiological mechanism and effective drugs for treatment. Although various animal models exist, the translation of the outcome into clinics remains difficult due to species differences. In this study, an ex vivo inflammatory OA model was induced using different concentrations of interleukin one beta (IL-1β) and tumor necrosis factor α (TNF-α) on explants from the human femoral head. In the inflammatory OA groups, the gene expression levels of cartilage catabolism (matrix metalloproteinase 1 (MMP1), matrix metalloproteinase 3 (MMP3)), and inflammation (interleukin 6 (IL-6), interleukin 8 (IL-8)) markers were significantly upregulated, while the anabolic genes (collagen 2 (COL2), aggrecan (ACAN), and proteoglycan 4 (PRG4)) were downregulated compared to the control group. The release of cytokines (IL-6, IL-8) and nitric oxide (NO) in the conditioned medium was also upregulated in inflammatory OA groups. The Safranin O/Fast Green staining showed loss of proteoglycan in the superficial zone cartilage after cytokine treatment. The results indicated that an ex vivo inflammation and degeneration model was successfully established using osteochondral explants from the human femoral head. This model can be used to elucidate the in-depth mechanism of inflammatory OA and to screen new drugs for OA treatment.
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Affiliation(s)
- Kaihu Li
- Department of Orthopaedics, Xiangya Hospital of Central South University, Changsha, China.,AO Research Institute Davos, Davos, Switzerland
| | - Penghui Zhang
- AO Research Institute Davos, Davos, Switzerland.,Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yong Zhu
- Department of Orthopaedics, Xiangya Hospital of Central South University, Changsha, China
| | - Mauro Alini
- AO Research Institute Davos, Davos, Switzerland
| | | | - Zhen Li
- AO Research Institute Davos, Davos, Switzerland
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6
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Kleuskens MWA, Crispim JF, van Donkelaar CC, Janssen RPA, Ito K. Evaluating Initial Integration of Cell-Based Chondrogenic Constructs in Human Osteochondral Explants. Tissue Eng Part C Methods 2022; 28:34-44. [PMID: 35018813 DOI: 10.1089/ten.tec.2021.0196] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Integration of an implant with the surrounding tissue is a major challenge in cartilage regeneration. It is usually assessed with in vivo animal studies at the end-stage of implant development. To reduce animal experimentation and at the same time increase screening throughput and speed up implant development, this study examined whether integration of allogeneic cell-based implants with the surrounding native cartilage could be demonstrated in an ex vivo human osteochondral culture model. Chondrocytes were isolated from smooth cartilage tissue of fresh human tibial plateaus and condyles. They were expanded for 12 days either in three-dimensional spinner flask cultures to generate organoids, or in two-dimensional culture flasks for standard cell expansion. Three implant groups were created (fibrin+organoids, fibrin+cells, and fibrin only) and used to fill a Ø 6 mm full-depth chondral defect created in human osteochondral explants (Ø 10 mm, bone length cut to 4 mm) harvested from a second set of fresh human tibial plateaus. Explants were cultured for 1 or 28 days in a double-chamber culture platform. Histology showed that after 28 days the organoids on the interface of the defect remodeled and merged, and cells migrated through the fibrin glue bridging the space between the organoids and between the organoids and the native cartilage. For both conditions, newly formed tissue rich in proteoglycans and collagen type II was present mainly on the edges and in the corners of the defect. In these matrix-rich areas, cells resided in lacunae and the newly formed tissue integrated with the surrounding native cartilage. Biochemical analysis revealed a statistically significant effect of culture time on glycosaminoglycan (GAG) content, and showed a higher hydroxyproline (HYP) content for organoid-filled implants compared with cell-filled implants at both timepoints. This ex vivo human osteochondral culture system provides possibilities for exploration and identification of promising implant strategies based on evaluation of integration and matrix production under more controlled experimental conditions than possible in vivo.
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Affiliation(s)
- Meike W A Kleuskens
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, The Netherlands
| | - João F Crispim
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, The Netherlands
| | - Corrinus C van Donkelaar
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, The Netherlands
| | - Rob P A Janssen
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, The Netherlands.,Department of Orthopaedic Surgery and Trauma, Máxima Medical Center, Eindhoven-Veldhoven, The Netherlands.,Department of Paramedical Sciences, Fontys University of Applied Sciences, Eindhoven, The Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, The Netherlands
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7
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Santos-Beato P, Midha S, Pitsillides AA, Miller A, Torii R, Kalaskar DM. Biofabrication of the osteochondral unit and its applications: Current and future directions for 3D bioprinting. J Tissue Eng 2022; 13:20417314221133480. [PMID: 36386465 PMCID: PMC9643769 DOI: 10.1177/20417314221133480] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/30/2022] [Indexed: 07/20/2023] Open
Abstract
Multiple prevalent diseases, such as osteoarthritis (OA), for which there is no cure or full understanding, affect the osteochondral unit; a complex interface tissue whose architecture, mechanical nature and physiological characteristics are still yet to be successfully reproduced in vitro. Although there have been multiple tissue engineering-based approaches to recapitulate the three dimensional (3D) structural complexity of the osteochondral unit, there are various aspects that still need to be improved. This review presents the different pre-requisites necessary to develop a human osteochondral unit construct and focuses on 3D bioprinting as a promising manufacturing technique. Examples of 3D bioprinted osteochondral tissues are reviewed, focusing on the most used bioinks, chosen cell types and growth factors. Further information regarding the applications of these 3D bioprinted tissues in the fields of disease modelling, drug testing and implantation is presented. Finally, special attention is given to the limitations that currently hold back these 3D bioprinted tissues from being used as models to investigate diseases such as OA. Information regarding improvements needed in bioink development, bioreactor use, vascularisation and inclusion of additional tissues to further complete an OA disease model, are presented. Overall, this review gives an overview of the evolution in 3D bioprinting of the osteochondral unit and its applications, as well as further illustrating limitations and improvements that could be performed explicitly for disease modelling.
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Affiliation(s)
| | - Swati Midha
- Kennedy Institute of Rheumatology,
University of Oxford, Oxford, UK
| | | | - Aline Miller
- Department of Chemical Engineering,
University of Manchester, Manchester, UK
| | - Ryo Torii
- Department of Mechanical Engineering,
University College London, London, UK
| | - Deepak M Kalaskar
- Institute of Orthopaedics and
Musculoskeletal Science, Division of Surgery & Interventional Science,
University College London (UCL), UK
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8
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Singh YP, Moses JC, Bhardwaj N, Mandal BB. Overcoming the Dependence on Animal Models for Osteoarthritis Therapeutics - The Promises and Prospects of In Vitro Models. Adv Healthc Mater 2021; 10:e2100961. [PMID: 34302436 DOI: 10.1002/adhm.202100961] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/10/2021] [Indexed: 12/19/2022]
Abstract
Osteoarthritis (OA) is a musculoskeletal disease characterized by progressive degeneration of osteochondral tissues. Current treatment is restricted to the reduction of pain and loss of function of the joint. To better comprehend the OA pathophysiological conditions, several models are employed, however; there is no consensus on a suitable model. In this review, different in vitro models being developed for possible therapeutic intervention of OA are outlined. Herein, various in vitro OA models starting from 2D model, co-culture model, 3D models, dynamic culture model to advanced technologies-based models such as 3D bioprinting, bioassembly, organoids, and organ-on-chip-based models are discussed with their advantages and disadvantages. Besides, different growth factors, cytokines, and chemicals being utilized for induction of OA condition are reviewed in detail. Furthermore, there is focus on scrutinizing different molecular and possible therapeutic targets for better understanding the mechanisms and OA therapeutics. Finally, the underlying challenges associated with in vitro models are discussed followed by future prospective. Taken together, a comprehensive overview of in vitro OA models, factors to induce OA-like conditions, and intricate molecular targets with the potential to develop personalized osteoarthritis therapeutics in the future with clinical translation is provided.
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Affiliation(s)
- Yogendra Pratap Singh
- Department of Biosciences and Bioengineering Indian Institute of Technology Guwahati Guwahati Assam 781039 India
| | - Joseph Christakiran Moses
- Department of Biosciences and Bioengineering Indian Institute of Technology Guwahati Guwahati Assam 781039 India
| | - Nandana Bhardwaj
- Department of Science and Mathematics Indian Institute of Information Technology Guwahati Bongora Guwahati Assam 781015 India
| | - Biman B. Mandal
- Department of Biosciences and Bioengineering Indian Institute of Technology Guwahati Guwahati Assam 781039 India
- Centre for Nanotechnology Indian Institute of Technology Guwahati Guwahati Assam 781039 India
- School of Health Sciences and Technology Indian Institute of Technology Guwahati Guwahati Assam 781039 India
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9
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Kleuskens MWA, van Donkelaar CC, Kock LM, Janssen RPA, Ito K. An ex vivo human osteochondral culture model. J Orthop Res 2021; 39:871-879. [PMID: 32592503 PMCID: PMC8048497 DOI: 10.1002/jor.24789] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/09/2020] [Accepted: 06/12/2020] [Indexed: 02/04/2023]
Abstract
To reduce animal experimentation and to overcome translational issues in cartilage tissue engineering, there is a need to develop an ex vivo human tissue-based approach. This study aims to demonstrate that a human osteochondral explant at different stages of osteoarthritis (OA) can be kept in long-term culture while preserving its viability and composition. Osteochondral explants with either a smooth or fibrillated cartilage surface, representing different OA stages, were harvested from fresh human tibial plateaus. Explants were cultured for 2 or 4 weeks in a double-chamber culture platform. The biochemical content of the cartilage of cultured explants did not significantly change over a period of 4 weeks and these findings were supported by histology. Chondrocytes mostly preserved their metabolic activity during culture and active bone and marrow were found in the periphery of the explants, while metabolic activity was decreased in the bone core in cultured explants compared to fresh explants. In fibrillated explants, chondrocyte viability decreased in the periphery of the sample in cultured groups compared to fresh explants (fresh, 94 ± 6%; cultured, 64% ± 17%, 2 weeks, and 69% ± 17%, 4 weeks; P < .05). Although biochemical and histological results did not show changes within the cartilage tissue, the viability of the explants should be carefully controlled for each specific use. This system provides an alternative to explore drug treatment and implant performance under more controlled experimental conditions than possible in vivo, in combination with clinically relevant human osteochondral tissue.
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Affiliation(s)
- Meike W. A. Kleuskens
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
| | - Corrinus C. van Donkelaar
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
| | - Linda M. Kock
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands,LifeTec Group BVEindhovenThe Netherlands
| | - Rob P. A. Janssen
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands,Orthopaedic Center MáximaMáxima Medical Center Eindhoven/VeldhovenEindhovenThe Netherlands,Value‐Based Health Care, Faculty of Paramedical SciencesFontys University of Applied SciencesEindhovenThe Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical EngineeringEindhoven University of TechnologyEindhovenThe Netherlands
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10
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Monaco G, El Haj AJ, Alini M, Stoddart MJ. Ex Vivo Systems to Study Chondrogenic Differentiation and Cartilage Integration. J Funct Morphol Kinesiol 2021; 6:E6. [PMID: 33466400 PMCID: PMC7838775 DOI: 10.3390/jfmk6010006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 12/21/2022] Open
Abstract
Articular cartilage injury and repair is an issue of growing importance. Although common, defects of articular cartilage present a unique clinical challenge due to its poor self-healing capacity, which is largely due to its avascular nature. There is a critical need to better study and understand cellular healing mechanisms to achieve more effective therapies for cartilage regeneration. This article aims to describe the key features of cartilage which is being modelled using tissue engineered cartilage constructs and ex vivo systems. These models have been used to investigate chondrogenic differentiation and to study the mechanisms of cartilage integration into the surrounding tissue. The review highlights the key regeneration principles of articular cartilage repair in healthy and diseased joints. Using co-culture models and novel bioreactor designs, the basis of regeneration is aligned with recent efforts for optimal therapeutic interventions.
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Affiliation(s)
- Graziana Monaco
- AO Research Institute Davos, Clavadelerstrasse 8, CH-7270 Davos Platz, Switzerland; (G.M.); (M.A.)
- School of Pharmacy & Bioengineering Research, University of Keele, Keele ST5 5BG, UK;
| | - Alicia J. El Haj
- School of Pharmacy & Bioengineering Research, University of Keele, Keele ST5 5BG, UK;
- Healthcare Technology Institute, Translational Medicine, School of Chemical Engineering, University of Birmingham, Birmingham B15 2TH, UK
| | - Mauro Alini
- AO Research Institute Davos, Clavadelerstrasse 8, CH-7270 Davos Platz, Switzerland; (G.M.); (M.A.)
| | - Martin J. Stoddart
- AO Research Institute Davos, Clavadelerstrasse 8, CH-7270 Davos Platz, Switzerland; (G.M.); (M.A.)
- School of Pharmacy & Bioengineering Research, University of Keele, Keele ST5 5BG, UK;
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