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Ansari M, Darvishi A, Sabzevari A. A review of advanced hydrogels for cartilage tissue engineering. Front Bioeng Biotechnol 2024; 12:1340893. [PMID: 38390359 PMCID: PMC10881834 DOI: 10.3389/fbioe.2024.1340893] [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: 11/19/2023] [Accepted: 01/29/2024] [Indexed: 02/24/2024] Open
Abstract
With the increase in weight and age of the population, the consumption of tobacco, inappropriate foods, and the reduction of sports activities in recent years, bone and joint diseases such as osteoarthritis (OA) have become more common in the world. From the past until now, various treatment strategies (e.g., microfracture treatment, Autologous Chondrocyte Implantation (ACI), and Mosaicplasty) have been investigated and studied for the prevention and treatment of this disease. However, these methods face problems such as being invasive, not fully repairing the tissue, and damaging the surrounding tissues. Tissue engineering, including cartilage tissue engineering, is one of the minimally invasive, innovative, and effective methods for the treatment and regeneration of damaged cartilage, which has attracted the attention of scientists in the fields of medicine and biomaterials engineering in the past several years. Hydrogels of different types with diverse properties have become desirable candidates for engineering and treating cartilage tissue. They can cover most of the shortcomings of other treatment methods and cause the least secondary damage to the patient. Besides using hydrogels as an ideal strategy, new drug delivery and treatment methods, such as targeted drug delivery and treatment through mechanical signaling, have been studied as interesting strategies. In this study, we review and discuss various types of hydrogels, biomaterials used for hydrogel manufacturing, cartilage-targeting drug delivery, and mechanosignaling as modern strategies for cartilage treatment.
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Affiliation(s)
- Mojtaba Ansari
- Department of Biomedical Engineering, Meybod University, Meybod, Iran
| | - Ahmad Darvishi
- Department of Biomedical Engineering, Meybod University, Meybod, Iran
| | - Alireza Sabzevari
- Department of Biomedical Engineering, Meybod University, Meybod, Iran
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Perrier-Groult E, Moustaghfir S, Pasdeloup M, Malcor JD, Lafont J, Mallein-Gerin F. Presence of type IIB procollagen in mouse articular cartilage and growth plate is revealed by immuno-histochemical analysis with a novel specific antibody. Matrix Biol Plus 2023; 18:100130. [PMID: 36941890 PMCID: PMC10024168 DOI: 10.1016/j.mbplus.2023.100130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 02/27/2023] [Accepted: 03/01/2023] [Indexed: 03/07/2023] Open
Abstract
Type II collagen is the major fibrillar collagen in cartilage. It is synthesized in the form of precursors (procollagens) containing N- and C-terminal propeptides. The two main isoforms of type II procollagen protein are type IIA and type IIB procollagens, generated in a developmentally regulated manner by differential splicing of the primary gene transcript. Isoform IIA contains exon 2 and is produced mainly by chondroprogenitor cells while isoform IIB lacks exon 2 and is produced by differentiated chondrocytes. Thus, expression of IIA and IIB isoforms are reliable markers for identifying the differentiation status of chondrocytes but their biological function in the context of skeletal development is still not yet fully understood. Specific antibodies against IIA and IIB procollagen isoforms are already available. In this study, a synthetic peptide spanning the junction between exon 1 and exon 3 of the murine sequence was used as an immunogen to generate a novel rabbit polyclonal antibody directed against procollagen IIB. Characterization of this antibody by Western-blotting analysis of murine cartilage extracts and ELISA tests demonstrated its specificity to the type IIB isoform. Furthermore, by immunohistochemical studies, this antibody allowed the detection of procollagen IIB in embryonic cartilage as well as in articular cartilage and growth plate of young adult mice. Interestingly, this is the first antibody that has allowed the detection of procollagen IIB at both the intra- and extracellular level. This antibody therefore represents an interesting new tool for monitoring the spatial and temporal distribution of IIB isoforms in skeletal tissues of mouse models and for tracking the trafficking and processing of type IIB procollagen.
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Affiliation(s)
| | | | | | | | | | - Frédéric Mallein-Gerin
- Corresponding author at: Laboratory of Tissue Biology and Therapeutic Engineering, LBTI CNRS UMR 5305, IBCP building, 7 Passage du Vercors, 69367 Lyon Cedex 07, France.
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3
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Andersen C, Uvebrant K, Mori Y, Aarsvold S, Jacobsen S, Berg LC, Lundgren-Åkerlund E, Lindegaard C. Human integrin α10β1-selected mesenchymal stem cells home to cartilage defects in the rabbit knee and assume a chondrocyte-like phenotype. Stem Cell Res Ther 2022; 13:206. [PMID: 35578319 PMCID: PMC9109317 DOI: 10.1186/s13287-022-02884-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/27/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) have shown promising results in stimulating cartilage repair and in the treatment of osteoarthritis (OA). However, the fate of the MSCs after intra-articular injection and their role in cartilage regeneration is not clear. To address these questions, this study investigated (1) homing of labeled human adipose tissue derived integrin α10β1-selected MSCs (integrin α10-MSCs) to a cartilage defect in a rabbit model and (2) the ability of the integrin α10-MSCs to differentiate to chondrocytes and to produce cartilage matrix molecules in vivo. DESIGN Integrin α10-MSCs were labeled with superparamagnetic iron oxide nanoparticles (SPIONs) co-conjugated with Rhodamine B to allow visualization by both MRI and fluorescence microscopy. A cartilage defect was created in the articular cartilage of the intertrochlear groove of the femur of rabbits. Seven days post-surgery, labeled integrin α10-MSCs or vehicle were injected into the joint. Migration and distribution of the SPION-labeled integrin α10-MSCs was evaluated by high-field 9.4 T MRI up to 10 days after injection. Tissue sections from the repair tissue in the defects were examined by fluorescence microscopy. RESULTS In vitro characterization of the labeled integrin α10-MSCs demonstrated maintained viability, proliferation rate and trilineage differentiation capacity compared to unlabeled MSCs. In vivo MRI analysis detected the labeled integrin α10-MSCs in the cartilage defects at all time points from 12 h after injection until day 10 with a peak concentration between day 1 and 4 after injection. The labeled MSCs were also detected lining the synovial membrane at the early time points. Fluorescence analysis confirmed the presence of the labeled integrin α10-MSCs in all layers of the cartilage repair tissue and showed co-localization between the labeled cells and the specific cartilage molecules aggrecan and collagen type II indicating in vivo differentiation of the MSCs to chondrocyte-like cells. No adverse effects of the α10-MSC treatment were detected during the study period. CONCLUSION Our results demonstrated migration and homing of human integrin α10β1-selected MSCs to cartilage defects in the rabbit knee after intra-articular administration as well as chondrogenic differentiation of the MSCs in the regenerated cartilage tissue.
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Affiliation(s)
- Camilla Andersen
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Højbakkegaard Allé 5, 2630, Taastrup, Denmark.
| | | | - Yuki Mori
- Center for Translational Neuromedicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen N, Denmark
| | | | - Stine Jacobsen
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Højbakkegaard Allé 5, 2630, Taastrup, Denmark
| | - Lise Charlotte Berg
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Højbakkegaard Allé 5, 2630, Taastrup, Denmark
| | | | - Casper Lindegaard
- Department of Veterinary Clinical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Højbakkegaard Allé 5, 2630, Taastrup, Denmark
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Mechanosignalling in cartilage: an emerging target for the treatment of osteoarthritis. Nat Rev Rheumatol 2021; 18:67-84. [PMID: 34934171 DOI: 10.1038/s41584-021-00724-w] [Citation(s) in RCA: 115] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 12/12/2022]
Abstract
Mechanical stimuli have fundamental roles in articular cartilage during health and disease. Chondrocytes respond to the physical properties of the cartilage extracellular matrix (ECM) and the mechanical forces exerted on them during joint loading. In osteoarthritis (OA), catabolic processes degrade the functional ECM and the composition and viscoelastic properties of the ECM produced by chondrocytes are altered. The abnormal loading environment created by these alterations propagates cell dysfunction and inflammation. Chondrocytes sense their physical environment via an array of mechanosensitive receptors and channels that activate a complex network of downstream signalling pathways to regulate several cell processes central to OA pathology. Advances in understanding the complex roles of specific mechanosignalling mechanisms in healthy and OA cartilage have highlighted molecular processes that can be therapeutically targeted to interrupt pathological feedback loops. The potential for combining these mechanosignalling targets with the rapidly expanding field of smart mechanoresponsive biomaterials and delivery systems is an emerging paradigm in OA treatment. The continued advances in this field have the potential to enable restoration of healthy mechanical microenvironments and signalling through the development of precision therapeutics, mechanoregulated biomaterials and drug systems in the near future.
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Frerker N, Karlsen TA, Lilledahl MB, Brorson SH, Tibballs JE, Brinchmann JE. Scaffold-Free Engineering of Human Cartilage Implants. Cartilage 2021; 13:1237S-1249S. [PMID: 33858229 PMCID: PMC8725371 DOI: 10.1177/19476035211007923] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE Despite new strategies in tissue engineering, cartilage repair remains a major challenge. Our aim is to treat patients with focal lesions of articular cartilage with autologous hyaline cartilage implants using a scaffold-free approach. In this article, we describe experiments to optimize production of scaffold-free cartilage discs. DESIGN Articular chondrocytes were expanded in vitro, seeded in transwell inserts and redifferentiated using established chondrogenic components. Experimental variables included testing 2 different expansion media, adding bone morphogenetic protein 2 (BMP2), insulin-like growth factor 1 (IGF1), growth/differentiation factor 5 (GDF5), or fibroblast growth factor 18 (FGF18) to the differentiation medium and allowing the disc to float freely in large wells. Cartilage discs were analyzed by weight and thickness, real-time RT-qPCR (reverse transcriptase qualitative polymerase chain reaction), fluorescence immunostaining, transmission electron microscopy, second harmonic generation imaging, and measurement of Young's modulus. RESULTS Addition of BMP2 to the chondrogenic differentiation medium (CDM) was essential for stable disc formation, while IGF1, GDF5, and FGF18 were redundant. Allowing discs to float freely in CDM on a moving platform increased disc thickness compared with discs kept continuously in transwell inserts. Discs cultured for 6 weeks reached a thickness of almost 2 mm and Young's modulus of >200 kPa. There was abundant type II collagen. Collagen fibrils were 25 nm thick, with a tendency to be organized perpendicular to the disc surface. CONCLUSION Scaffold-free engineering using BMP2 and providing free movement in CDM produced firm, elastic cartilage discs with abundant type II collagen. This approach may potentially be used in clinical trials.
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Affiliation(s)
- Nadine Frerker
- Department of Immunology, Oslo
University Hospital, Oslo, Norway,Nadine Frerker, Department of Immunology,
Oslo University Hospital, Rikshospitalet, PO Box 4950 Nydalen, Oslo 0424,
Norway.
| | - Tommy A. Karlsen
- Department of Immunology, Oslo
University Hospital, Oslo, Norway
| | | | | | | | - Jan E. Brinchmann
- Department of Immunology, Oslo
University Hospital, Oslo, Norway,Department of Molecular Medicine,
University of Oslo, Oslo, Norway
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Kuhlmann C, Schenck TL, Aszodi A, Giunta RE, Wiggenhauser PS. Zone-Dependent Architecture and Biochemical Composition of Decellularized Porcine Nasal Cartilage Modulate the Activity of Adipose Tissue-Derived Stem Cells in Cartilage Regeneration. Int J Mol Sci 2021; 22:ijms22189917. [PMID: 34576079 PMCID: PMC8470846 DOI: 10.3390/ijms22189917] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/27/2021] [Accepted: 09/03/2021] [Indexed: 01/22/2023] Open
Abstract
Previous anatomical studies have shown different functional zones in human nasal septal cartilage (NC). These zones differ in respect to histological architecture and biochemical composition. The aim of this study was to investigate the influence of these zones on the fate of stem cells from a regenerative perspective. Therefore, decellularized porcine septal cartilage was prepared and subjected to histological assessment to demonstrate its equivalence to human cartilage. Decellularized porcine NC (DPNC) exposed distinct surfaces depending on two different histological zones: the outer surface (OS), which is equivalent to the superficial zone, and the inner surface (IS), which is equivalent to the central zone. Human adipose tissue-derived stem cells (ASCs) were isolated from the abdominal fat tissue of five female patients and were seeded on the IS and OS of DPNC, respectively. Cell seeding efficiency (CSE), vitality, proliferation, migration, the production of sulfated glycosaminoglycans (sGAG) and chondrogenic differentiation capacity were evaluated by histological staining (DAPI, Phalloidin, Live-Dead), biochemical assays (alamarBlue®, PicoGreen®, DMMB) and the quantification of gene expression (qPCR). Results show that cell vitality and CSE were not influenced by DPNC zones. ASCs, however, showed a significantly higher proliferation and elevated expression of early chondrogenic differentiation, as well as fibrocartilage markers, on the OS. On the contrary, there was a significantly higher upregulation of hypertrophy marker MMP13 (p < 0.0001) and GAG production (p = 0.0105) on the IS, whereas cell invasion into the three-dimensional DPNC was higher in comparison to the OS. We conclude that the zonal-dependent distinct architecture and composition of NC modulates activities of ASCs seeded on DPNC. These findings might be used for engineering of cartilage substitutes needed in facial reconstructive surgery that yield an equivalent histological and functional structure, such as native NC.
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Affiliation(s)
- Constanze Kuhlmann
- Department of Hand, Plastic and Aesthetic Surgery, LMU Klinikum, University Hospital, LMU Munich, Ziemsenstrasse 5, 80336 Munich, Germany; (C.K.); (T.L.S.); (R.E.G.)
- Laboratory of Cartilage Development, Diseases and Regeneration, Department for Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Fraunhoferstrasse 20, 82152 Planegg, Germany;
| | - Thilo L. Schenck
- Department of Hand, Plastic and Aesthetic Surgery, LMU Klinikum, University Hospital, LMU Munich, Ziemsenstrasse 5, 80336 Munich, Germany; (C.K.); (T.L.S.); (R.E.G.)
| | - Attila Aszodi
- Laboratory of Cartilage Development, Diseases and Regeneration, Department for Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Fraunhoferstrasse 20, 82152 Planegg, Germany;
| | - Riccardo E. Giunta
- Department of Hand, Plastic and Aesthetic Surgery, LMU Klinikum, University Hospital, LMU Munich, Ziemsenstrasse 5, 80336 Munich, Germany; (C.K.); (T.L.S.); (R.E.G.)
| | - Paul Severin Wiggenhauser
- Department of Hand, Plastic and Aesthetic Surgery, LMU Klinikum, University Hospital, LMU Munich, Ziemsenstrasse 5, 80336 Munich, Germany; (C.K.); (T.L.S.); (R.E.G.)
- Correspondence:
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Lahm A, Dabravolski D, Rödig J, Esser J, Erggelet C, Kasch R. Varying development of femoral and tibial subchondral bone tissue and their interaction with articular cartilage during progressing osteoarthritis. Arch Orthop Trauma Surg 2020; 140:1919-1930. [PMID: 32474697 DOI: 10.1007/s00402-020-03480-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Indexed: 10/24/2022]
Abstract
INTRODUCTION Differences between tibial and femoral joint surfaces and knee compartments concerning coupled bone and cartilage turnover or bone-cartilage cross talk have not been previously examined, although the mechanical and biological interaction of the mineralized subchondral tissues with articular cartilage is of great importance for advancing osteoarthritis. MATERIALS AND METHODS Therefore, with the help of immunohistochemistry and real-time polymerase chain reaction (RT-PCR), human knee joint cartilage tissue was investigated for expression of key molecules of the extracellular matrix and cartilage composition (collagen type I and II, aggrecan) plus proteoglycan content (colorimetric analysis). Furthermore, we correlated the results with 3D microcomputed tomography of the underlying subchondral bone (high-resolution micro-CT system). Measurements were performed in dependence of the anatomical site (femoral vs. tibial, medial and lateral each) to identify regional differences during the osteoarthritic process. From an enduring series of 108 patients undergoing implantation of TKA, 34 osteochondral samples with lesions macroscopically classified as ICRS grade 1b (group A) and 34 samples with ICRS grade 3a/3b lesions (group B) were compared with 21 healthy controls. RESULTS Concerning 3D analysis, the medial femoral condyle and tibia showed the most significant increase in bone volume fraction and a decrease in the trabecular number in group B frequently accompanied by subchondral bone resorption pits and enchondral ossification. Under physiological conditions, tibia plateaus show lower bone volume fraction than the corresponding femoral site and this difference enlarges with advancing OA. Partially even contradictory behavior was observed such as trabecular separation at the lateral tibial and medial plateau in osteochondral OA samples of the same patients. Collagen type II expression levels show faster and varying changes than type I during the OA process, leading to a lower positive or negative correlation with bone microstructural analysis, especially on the tibia plateau. CONCLUSIONS Structural bone and cartilage parameter changes showed varying developments and correlations among each other in the different compartments of the knee. As a clinical conclusion, therapies to postpone or prevent cartilage degeneration by influencing the loss of mineralized bone could be site dependent.
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Affiliation(s)
- A Lahm
- Department of Orthopaedics and Orthopaedic Surgery, Ernst-Moritz-Arndt University Greifswald, F.-Sauerbruch Str., 17475, Greifswald, Germany. .,Kliniken Maria Hilf Mönchengladbach, Academic Teaching Hospital of the RWTH Aachen, Viersener Str. 450, 41061, Mönchengladbach, Germany.
| | - D Dabravolski
- Department of Orthopaedics and Orthopaedic Surgery, Ernst-Moritz-Arndt University Greifswald, F.-Sauerbruch Str., 17475, Greifswald, Germany.,Centre for Orthopaedics and Spinal Surgery, Klinikum Fichtelgebirge, Weißenbacher Str. 62, 95100, Selb, Germany
| | - J Rödig
- Kliniken Maria Hilf Mönchengladbach, Academic Teaching Hospital of the RWTH Aachen, Viersener Str. 450, 41061, Mönchengladbach, Germany
| | - J Esser
- Department of Orthopaedics and Orthopaedic Surgery, Ernst-Moritz-Arndt University Greifswald, F.-Sauerbruch Str., 17475, Greifswald, Germany
| | - C Erggelet
- Alphaclinic Zürich, Kraftstrasse 29, 8044, Zurich, Switzerland
| | - R Kasch
- Department of Orthopaedics and Orthopaedic Surgery, Ernst-Moritz-Arndt University Greifswald, F.-Sauerbruch Str., 17475, Greifswald, Germany
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Delco ML, Goodale M, Talts JF, Pownder SL, Koff MF, Miller AD, Nixon B, Bonassar LJ, Lundgren-Åkerlund E, Fortier LA. Integrin α10β1-Selected Mesenchymal Stem Cells Mitigate the Progression of Osteoarthritis in an Equine Talar Impact Model. Am J Sports Med 2020; 48:612-623. [PMID: 32004077 DOI: 10.1177/0363546519899087] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Early intervention with mesenchymal stem cells (MSCs) after articular trauma has the potential to limit progression of focal lesions and prevent ongoing cartilage degeneration by modulating the joint environment and/or contributing to repair. Integrin α10β1 is the main collagen type II binding receptor on chondrocytes, and MSCs that are selected for high expression of the α10 subunit have improved chondrogenic potential. The ability of α10β1-selected (integrin α10high) MSCs to protect cartilage after injury has not been investigated. PURPOSE To investigate integrin α10high MSCs to prevent posttraumatic osteoarthritis in an equine model of impact-induced talar injury. STUDY DESIGN Controlled laboratory study. METHODS Focal cartilage injuries were created on the tali of horses (2-5 years, n = 8) by using an impacting device equipped to measure impact stress. Joints were treated with 20 × 106 allogenic adipose-derived α10high MSCs or saline vehicle (control) 4 days after injury. Synovial fluid was collected serially and analyzed for protein content, cell counts, markers of inflammation (prostaglandin E2, tumor necrosis factor α) and collagen homeostasis (procollagen II C-propeptide, collagen type II cleavage product), and glycosaminoglycan content. Second-look arthroscopy was performed at 6 weeks, and horses were euthanized at 6 months. Joints were imaged with radiographs and quantitative 3-T magnetic resonance imaging. Postmortem examinations were performed, and India ink was applied to the talar articular surface to identify areas of cartilage fibrillation. Synovial membrane and osteochondral histology was performed, and immunohistochemistry was used to assess type I and II collagen and lubricin. A mixed effect model with Tukey post hoc and linear contrasts or paired t tests were used, as appropriate. RESULTS Integrin α10high MSC-treated joints had less subchondral bone sclerosis on radiographs (P = .04) and histology (P = .006) and less cartilage fibrillation (P = .04) as compared with control joints. On gross pathology, less India ink adhered to impact sites in treated joints than in controls, which may be explained by the finding of more prominent lubricin immunostaining in treated joints. Prostaglandin E2 concentration in synovial fluid and mononuclear cell synovial infiltrate were increased in treated joints, suggesting possible immunomodulation by integrin α10high MSCs. CONCLUSION Intra-articular administration of integrin α10high MSCs is safe, and evidence suggests that the cells mitigate the effects of joint trauma. CLINICAL RELEVANCE This preclinical study indicates that intra-articular therapy with integrin α10high MSCs after joint trauma may be protective against posttraumatic osteoarthritis.
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Yilmaz EN, Zeugolis DI. Electrospun Polymers in Cartilage Engineering-State of Play. Front Bioeng Biotechnol 2020; 8:77. [PMID: 32133352 PMCID: PMC7039817 DOI: 10.3389/fbioe.2020.00077] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 01/29/2020] [Indexed: 12/17/2022] Open
Abstract
Articular cartilage defects remain a clinical challenge. Articular cartilage defects progress to osteoarthritis, which negatively (e.g., remarkable pain, decreased mobility, distress) affects millions of people worldwide and is associated with excessive healthcare costs. Surgical procedures and cell-based therapies have failed to deliver a functional therapy. To this end, tissue engineering therapies provide a promise to deliver a functional cartilage substitute. Among the various scaffold fabrication technologies available, electrospinning is continuously gaining pace, as it can produce nano- to micro- fibrous scaffolds that imitate architectural features of native extracellular matrix supramolecular assemblies and can deliver variable cell populations and bioactive molecules. Herein, we comprehensively review advancements and shortfalls of various electrospun scaffolds in cartilage engineering.
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Affiliation(s)
- Elif Nur Yilmaz
- Regenerative, Modular & Developmental Engineering Laboratory, National University of Ireland Galway, Galway, Ireland.,Science Foundation Ireland, Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory, National University of Ireland Galway, Galway, Ireland.,Science Foundation Ireland, Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
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Charlier E, Deroyer C, Ciregia F, Malaise O, Neuville S, Plener Z, Malaise M, de Seny D. Chondrocyte dedifferentiation and osteoarthritis (OA). Biochem Pharmacol 2019; 165:49-65. [DOI: 10.1016/j.bcp.2019.02.036] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 02/28/2019] [Indexed: 02/08/2023]
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Yamawaki T, Fujihara Y, Harata M, Takato T, Hikita A, Hoshi K. Electron microscopic observation of human auricular chondrocytes transplanted into peritoneal cavity of nude mice for cartilage regeneration. Regen Ther 2018; 8:1-8. [PMID: 30271859 PMCID: PMC6147154 DOI: 10.1016/j.reth.2017.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 11/10/2017] [Accepted: 11/13/2017] [Indexed: 11/25/2022] Open
Abstract
Restoration of damaged cartilage tissue has been deemed futile with current treatments. Although there have been many studies on cartilage regeneration thus far, there is no report that chondrocytes were completely re-differentiated in vitro. The clarification of cellular composition and matrix production during cartilage regeneration must be elucidated to fabricate viable mature cartilage in vitro. In order to achieve this aim, the chondrocytes cultured on coverslips were transplanted into the peritoneal cavities of mice. At different time points post-transplantation, the cartilage maturation progression and cells composing the regeneration were examined. Cartilage regeneration was confirmed by hematoxylin & eosin (HE) and toluidine blue staining. The maturation progression was carefully examined further by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). At the first and second week time points, various cell shapes were observed using SEM. Chronologically, by the third week, the number of fibers increased, suggesting the progression of extracellular matrix (ECM) maturation. Observation through TEM revealed the chondrocytes located in close proximity to various cells including macrophage-like cells. On the second week, infiltration of lymphocytes and capillary vessels were observed, and after the third week, the chondrocytes had matured and were abundantly releasing extracellular matrix. Chronological observation of transplanted chondrocytes by electron microscopy revealed maturation of chondrocytes and accumulation of matrix during the re-differentiation process. Emerging patterns of host-derived cells such as macrophage-like cells and subsequent appearance of lymphocytes-like cells and angiogenesis were documented, providing crucial context for the identification of the cells responsible for in vivo cartilage regeneration.
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Affiliation(s)
- Takanori Yamawaki
- Oral and Maxillofacial Surgery, Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Yuko Fujihara
- Oral and Maxillofacial Surgery, Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Mikako Harata
- Oral and Maxillofacial Surgery, Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Tsuyoshi Takato
- Oral and Maxillofacial Surgery, Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- JR East General Hospital, 2-1-3, Shibuya-ku, Tokyo 151-8528, Japan
| | - Atsuhiko Hikita
- Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
| | - Kazuto Hoshi
- Oral and Maxillofacial Surgery, Department of Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
- Division of Tissue Engineering, The University of Tokyo Hospital, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8655, Japan
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12
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Hara Y, Ghazizadeh M, Shimizu H, Matsumoto H, Saito N, Yagi T, Mashiko K, Mashiko K, Kawai M, Yokota H. Delayed Expression of Circulating TGF-β1 and BMP-2 Levels in Human Nonunion Long Bone Fracture Healing. J NIPPON MED SCH 2017; 84:12-18. [PMID: 28331138 DOI: 10.1272/jnms.84.12] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND The healing process of bone fracture requires a well-controlled multistage and sequential order beginning immediately after the injury. However, complications leading to nonunion exist, creating serious problems and costs for patients. Transforming growth factor-beta 1 (TGF-β1) and bone morphogenic protein 2 (BMP-2) are two major growth factors involved in human bone fracture healing by promoting various stages of bone ossification. In this study, we aimed to determine the role of these factors during the fracture healing of human long bones and assess their impacts on nonunion condition. MATERIALS AND METHODS We performed a comprehensive analysis of plasma TGF-β1 and BMP-2 levels in blood samples from 10 patients with proved nonunion and 10 matched patients with normal union following a predetermined time schedule. The concentrations of TGF-β1 and BMP-2 were measured at each time point using a solid-phase ELISA. RESULTS TGF-β1 and BMP-2 levels were detectable in all patients. For all patients, a maximal peak for TGF-β1 was found at 3-week. In normal union group, TGF-β1 showed a maximal peak at 2-week while nonunion group had a delayed maximal peak at 3-week. Plasma levels of BMP-2 for all patients and for normal union group reached a maximal peak at 1-week, but nonunion group showed a delayed maximal peak at 2-week. In general, plasma TGF-β1 or BMP-2 level was not significantly different between normal union and nonunion groups. CONCLUSION The expression levels of TGF-β1 and BMP-2 appeared to be delayed in nonunion patients which could play an important role in developing an early marker of fracture union condition and facilitate improved patient's management.
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Affiliation(s)
- Yoshiaki Hara
- Department of Emergency and Critical Care Medicine, Nippon Medical School Chiba Hokusoh Hospital
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13
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Lahm A, Dabravolski D, Spank H, Merk H, Esser J, Kasch R. Regional differences of tibial and femoral cartilage in the chondrocyte gene expression, immunhistochemistry and composite in different stages of osteoarthritis. Tissue Cell 2017; 49:249-256. [DOI: 10.1016/j.tice.2017.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 02/14/2017] [Accepted: 02/15/2017] [Indexed: 01/18/2023]
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14
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Bougault C, Briolay A, Boutet MA, Pilet P, Delplace S, Le Goff B, Guicheux J, Blanchard F, Magne D. Wnt5a is expressed in spondyloarthritis and exerts opposite effects on enthesis and bone in murine organ and cell cultures. Transl Res 2015; 166:627-38. [PMID: 26163991 DOI: 10.1016/j.trsl.2015.06.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Revised: 06/07/2015] [Accepted: 06/16/2015] [Indexed: 12/17/2022]
Abstract
Spondyloarthritis (SpA) is a chronic inflammatory joint disorder that initiates at the enthesis, where tendons attach to bone through a fibrocartilage zone. At late stages, excessive bone apposition appears within the diseased enthesis. Because Wnt5a participates to normal bone formation and appears related to inflammatory processes, we investigated the role of this Wnt growth factor in inflammation-associated ossification in SpA. The concentration of Wnt5a assessed by enzyme-linked immunosorbent assay in synovial fluids of patients with SpA (2.58 ± 0.98 ng/mL) was higher than in osteoarthritic patients (1.33 ± 0.71 ng/mL). In murine primary cultures of tendon cells, chondrocytes, and osteoblasts and in an organotypic model of mouse ankle, we showed that tumor necrosis factor α reversibly diminished Wnt5a expression and secretion, respectively. Wnt5a decreased gene expression of differentiation markers and mineralization in cultured chondrocytes and reduced alkaline phosphatase activity in Achilles tendon enthesis (-14%) and osteocalcin protein levels released by ankle explants (-36%). On the contrary, Wnt5a stimulated ossification markers' expression in cultured osteoblasts and increased the bone volume of the tibial plateau of the cultured explants (+19%). In conclusion, our results suggest that Wnt5a is expressed locally in the joints of patients with SpA. Wnt5a appears more associated with ossification than with inflammation and tends to inhibit mineralization in chondrocytes and enthesis, whereas it seems to favor the ossification process in osteoblasts and bone. Further studies are needed to decipher the opposing effects observed locally in enthesis and systemically in bone in SpA.
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Affiliation(s)
- Carole Bougault
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, Université Claude Bernard-Lyon 1, Université de Lyon, UMR CNRS 5246, Villeurbanne, France.
| | - Anne Briolay
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, Université Claude Bernard-Lyon 1, Université de Lyon, UMR CNRS 5246, Villeurbanne, France
| | - Marie-Astrid Boutet
- Physiopathologie de la Résorption Osseuse et Thérapie des Tumeurs Osseuses Primitives, Université de Nantes, INSERM, UMR957, Nantes, France
| | - Paul Pilet
- Laboratoire d'ingénierie ostéoarticulaire et dentaire, INSERM, UMRS 791, Nantes, France
| | - Séverine Delplace
- Physiopathology of Inflammatory Bone Diseases, Université du Littoral-Côte d'Opale, EA 4490, Boulogne-sur-Mer, France
| | - Benoît Le Goff
- Physiopathologie de la Résorption Osseuse et Thérapie des Tumeurs Osseuses Primitives, Université de Nantes, INSERM, UMR957, Nantes, France; Department of Rheumatology, Hôtel-Dieu, CHU de Nantes, Nantes, France
| | - Jérôme Guicheux
- Laboratoire d'ingénierie ostéoarticulaire et dentaire, INSERM, UMRS 791, Nantes, France; UFR Odontologie, Université de Nantes, Nantes, France; PHU4 OTONN, CHU de Nantes, Nantes, France
| | - Frédéric Blanchard
- Physiopathologie de la Résorption Osseuse et Thérapie des Tumeurs Osseuses Primitives, Université de Nantes, INSERM, UMR957, Nantes, France
| | - David Magne
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, Université Claude Bernard-Lyon 1, Université de Lyon, UMR CNRS 5246, Villeurbanne, France
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Xin W, Heilig J, Paulsson M, Zaucke F. Collagen II regulates chondroycte integrin expression profile and differentiation. Connect Tissue Res 2015; 56:307-14. [PMID: 25803621 DOI: 10.3109/03008207.2015.1026965] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Collagen II is the major fibril-forming collagen in cartilage. Complete absence of collagen II in mice is not compatible with life and in humans mutations in the COL2A1 gene lead to osteochondrodysplasias with diverse phenotypes. However, mechanistic studies on how chondrocytes respond to a lack of collagen II in their extracellular matrix are limited. Primary mouse chondrocytes were isolated from knee joints of newborn mice and transfected with siRNA targeting Col2α1 to suppress collagen II expression. The expression of integrin receptors and matrix proteins was investigated by RT-PCR and immunoblots. The localization of matrix components was evaluated by immunostaining. Signaling pathways and the differentiation state of chondrocytes was monitored by RT-PCR and flow cytometry. We demonstrate that in the absence of collagen II chondrocytes start to produce collagen I. Some binding partners of collagen II are partially lost from the matrix while other proteins, e.g. COMP, were still found associated with the newly formed collagen network. The lack of collagen II induced changes in the expression profile of integrins. Further, we detected alterations in the Indian hedgehog/parathyroid hormone-related protein (Ihh/PTHrP) pathway that were accompanied by changes in the differentiation state of chondrocytes. Collagen II seems not to be essential for chondrocyte survival in culture but it plays an important role in maintaining chondrocyte differentiation. We suggest that a crosstalk between extracellular matrix and cells via integrins and the Ihh/PTHrP pathway is involved in regulating the differentiation state of chondrocytes.
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Affiliation(s)
- Wei Xin
- Central Laboratory, Shandong Provincial Hospital affiliated to Shandong University , Jinan , China
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16
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Duan L, Ma B, Liang Y, Chen J, Zhu W, Li M, Wang D. Cytokine networking of chondrocyte dedifferentiation in vitro and its implications for cell-based cartilage therapy. Am J Transl Res 2015; 7:194-208. [PMID: 25901191 PMCID: PMC4399086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 12/25/2014] [Indexed: 06/04/2023]
Abstract
Autologous chondrocyte implantation (ACI) is a golden treatment for large defects of the knee joint without osteoarthritis or other complications. Despite notable progresses, generation of a stable chondrocyte phenotype using progenitor cells remains a main obstacle for chondrocyte-based cartilage treatment. Monolayer chondrocyte expansion in vitro is accompanied by chondrocyte dedifferentiation, which produces a non-specific mechanically inferior extracellular matrix (ECM) unsuitable for ACI. In-depth understanding of the molecular events during chondrocyte dedifferentiation is required to maintain the capacity of in vitro expanded chondrocytes to produce hyaline cartilage-specific ECM. This review discusses key cytokines and signaling pathways involved in chondrocyte dedifferentiation from the standpoint of catabolism and anabolism. Some potential therapeutic strategies are also presented to counteract chondrocyte dedifferentiation for cell-based cartilage therapy.
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Affiliation(s)
- Li Duan
- School of Medicine, Sun Yat-sen UniversityGuangzhou 510182, Guangdong Province, China
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
- Department of Orthopedics, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
| | - Bin Ma
- Division of Immunology, University Children’s Hospital ZurichZurich 8032, Switzerland
| | - Yujie Liang
- School of Chemical Biology & Biotechnology, Peking University Shenzhen Graduate SchoolShenzhen 518055, Guangdong Province, China
| | - Jielin Chen
- School of Medicine, Sun Yat-sen UniversityGuangzhou 510182, Guangdong Province, China
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
- Department of Orthopedics, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
| | - Weimin Zhu
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
- Department of Orthopedics, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
| | - Mingtao Li
- School of Medicine, Sun Yat-sen UniversityGuangzhou 510182, Guangdong Province, China
| | - Daping Wang
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
- Department of Orthopedics, Shenzhen Second People’s HospitalShenzhen 518035, Guangdong Province, China
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17
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Ollitrault D, Legendre F, Drougard C, Briand M, Benateau H, Goux D, Chajra H, Poulain L, Hartmann D, Vivien D, Shridhar V, Baldi A, Mallein-Gerin F, Boumediene K, Demoor M, Galera P. BMP-2, hypoxia, and COL1A1/HtrA1 siRNAs favor neo-cartilage hyaline matrix formation in chondrocytes. Tissue Eng Part C Methods 2015; 21:133-47. [PMID: 24957638 PMCID: PMC4313417 DOI: 10.1089/ten.tec.2013.0724] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Accepted: 05/30/2014] [Indexed: 11/13/2022] Open
Abstract
Osteoarthritis (OA) is an irreversible pathology that causes a decrease in articular cartilage thickness, leading finally to the complete degradation of the affected joint. The low spontaneous repair capacity of cartilage prevents any restoration of the joint surface, making OA a major public health issue. Here, we developed an innovative combination of treatment conditions to improve the human chondrocyte phenotype before autologous chondrocyte implantation. First, we seeded human dedifferentiated chondrocytes into a collagen sponge as a scaffold, cultured them in hypoxia in the presence of a bone morphogenetic protein (BMP), BMP-2, and transfected them with small interfering RNAs targeting two markers overexpressed in OA dedifferentiated chondrocytes, that is, type I collagen and/or HtrA1 serine protease. This strategy significantly decreased mRNA and protein expression of type I collagen and HtrA1, and led to an improvement in the chondrocyte phenotype index of differentiation. The effectiveness of our in vitro culture process was also demonstrated in the nude mouse model in vivo after subcutaneous implantation. We, thus, provide here a new protocol able to favor human hyaline chondrocyte phenotype in primarily dedifferentiated cells, both in vitro and in vivo. Our study also offers an innovative strategy for chondrocyte redifferentiation and opens new opportunities for developing therapeutic targets.
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Affiliation(s)
- David Ollitrault
- 1 Microenvironnement Cellulaire et Pathologies Laboratory (MILPAT) EA 4652, Federative Research Structure (FRS) 146 ICORE, Faculty of Medicine, IBFA, University of Caen/Lower-Normandy (UCLN) , Caen, France
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18
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Alberton P, Dex S, Popov C, Shukunami C, Schieker M, Docheva D. Loss of tenomodulin results in reduced self-renewal and augmented senescence of tendon stem/progenitor cells. Stem Cells Dev 2014; 24:597-609. [PMID: 25351164 PMCID: PMC4333258 DOI: 10.1089/scd.2014.0314] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Tenomodulin (Tnmd) is a well-known gene marker for the tendon and ligament lineage, but its exact functions in these tissues still remain elusive. In this study, we investigated Tnmd loss of function in mouse tendon stem/progenitor cells (mTSPC) by implicating a previously established Tnmd knockout (KO) mouse model. mTSPC were isolated from control and Tnmd KO tail tendons and their stemness features, such as gene marker profile, multipotential, and self-renewal, were compared. Immunofluorescence and reverse transcriptase-polymerase chain reaction analyses for stem cell-, tenogenic-, osteogenic-, and chondrogenic-related genes confirmed their stemness and lineage specificity and demonstrated no profound differences between the two genotypes. Multipotential was not significantly affected since both cell types differentiated successfully into adipogenic, osteogenic, and chondrogenic lineages. In contrast, self-renewal assays validated that Tnmd KO TSPC exhibit significantly reduced proliferative potential, which was also reflected in lower Cyclin D1 levels. When analyzing possible cellular mechanisms behind the observed decreased self-renewability of Tnmd KO TSPC, we found that cellular senescence plays a major role, starting earlier and cumulating more in Tnmd KO compared with control TSPC. This was accompanied with augmented expression of the cell cycle inhibitor p53. Finally, the proliferative effect of Tnmd in TSPC was confirmed with transient transfection of Tnmd cDNA into Tnmd KO TSPC, which rescued their proliferative deficit. Taken together, we can report that loss of Tnmd affects significantly the self-renewal and senescence properties, but not the multipotential of TSPC.
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Affiliation(s)
- Paolo Alberton
- 1 Experimental Surgery and Regenerative Medicine, Department of Surgery, Ludwig-Maximilians-University (LMU) , Munich, Germany
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19
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Nakamura R, Nakamura F, Fukunaga S. Disruption of endogenous perlecan function improves differentiation of rat articular chondrocytesin vitro. Anim Sci J 2014; 86:449-58. [DOI: 10.1111/asj.12309] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 07/09/2014] [Indexed: 01/11/2023]
Affiliation(s)
- Ryosuke Nakamura
- Laboratory of Animal By-Product Science; Research Faculty of Agriculture; Hokkaido University; Sapporo Japan
| | - Fumio Nakamura
- Laboratory of Animal By-Product Science; Research Faculty of Agriculture; Hokkaido University; Sapporo Japan
| | - Shigeharu Fukunaga
- Laboratory of Animal By-Product Science; Research Faculty of Agriculture; Hokkaido University; Sapporo Japan
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20
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Grassot V, Da Silva A, Saliba J, Maftah A, Dupuy F, Petit JM. Highlights of glycosylation and adhesion related genes involved in myogenesis. BMC Genomics 2014; 15:621. [PMID: 25051993 PMCID: PMC4223822 DOI: 10.1186/1471-2164-15-621] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 07/14/2014] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Myogenesis is initiated by myoblast differentiation and fusion to form myotubes and muscle fibres. A population of myoblasts, known as satellite cells, is responsible for post-natal growth of muscle and for its regeneration. This differentiation requires many changes in cell behaviour and its surrounding environment. These modifications are tightly regulated over time and can be characterized through the study of changes in gene expression associated with this process. During the initial myogenesis steps, using the myoblast cell line C2C12 as a model, Janot et al. (2009) showed significant variations in expression for genes involved in pathways of glycolipid synthesis. In this study we used murine satellite cells (MSC) and their ability to differentiate into myotubes or early fat storage cells to select glycosylation related genes whose variation of expression is myogenesis specific. RESULTS The comparison of variant genes in both MSC differentiation pathways identified 67 genes associated with myogenesis. Comparison with data obtained for C2C12 revealed that only 14 genes had similar expression profiles in both cell types and that 17 genes were specifically regulated in MSC. Results were validated statistically by without a priori clustering. Classification according to protein function encoded by these 31 genes showed that the main regulated cellular processes during this differentiation were (i) remodeling of the extracellular matrix, particularly, sulfated structures, (ii) down-regulation of O-mannosyl glycan biosynthesis, and (iii) an increase in adhesion protein expression. A functional study was performed on Itga11 and Chst5 encoding two highly up-regulated proteins. The inactivation of Chst5 by specific shRNA delayed the fusion of MSC. By contrast, the inactivation of Itga11 by specific shRNA dramatically decreased the fusion ability of MSC. This result was confirmed by neutralization of Itga11 product by specific antibodies. CONCLUSIONS Our screening method detected 31 genes specific for myogenic differentiation out of the 383 genes studied. According to their function, interaction networks of the products of these selected genes converged to cell fusion. Functional studies on Itga11 and Chst5 demonstrated the robustness of this screening.
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Affiliation(s)
- Vincent Grassot
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
| | - Anne Da Silva
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
| | - James Saliba
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
| | - Abderrahman Maftah
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
| | - Fabrice Dupuy
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
| | - Jean-Michel Petit
- INRA, UMR 1061 Unité de Génétique Moléculaire Animale, Université de Limoges, Faculté des Sciences et Techniques, 123 Avenue A. Thomas, Limoges 87060, France
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21
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Sipilä K, Haag S, Denessiouk K, Käpylä J, Peters EC, Denesyuk A, Hansen U, Konttinen Y, Johnson MS, Holmdahl R, Heino J. Citrullination of collagen II affects integrin‐mediated cell adhesion in a receptor‐specific manner. FASEB J 2014; 28:3758-68. [DOI: 10.1096/fj.13-247767] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Kalle Sipilä
- Department of BiochemistryUniversity of TurkuTurkuFinland
| | - Sabrina Haag
- Division of Medical Inflammation Research, Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSweden
| | - Konstantin Denessiouk
- Structural Bioinformatics Laboratory, Biochemistry, Department of BioscienceÅbo Akademi UniversityTurkuFinland
| | - Jarmo Käpylä
- Department of BiochemistryUniversity of TurkuTurkuFinland
| | - Eric C. Peters
- Genomics Institute of the Novartis Research FoundationSan DiegoCaliforniaUSA
| | - Alexander Denesyuk
- Structural Bioinformatics Laboratory, Biochemistry, Department of BioscienceÅbo Akademi UniversityTurkuFinland
| | - Uwe Hansen
- Department of Physiology, Chemistry, and PathobiochemistryMuenster University HospitalMuensterGermany
| | - Yrjö Konttinen
- Department of MedicineInstitute of Clinical Medicine, University of HelsinkiHelsinkiFinland
| | - Mark S. Johnson
- Structural Bioinformatics Laboratory, Biochemistry, Department of BioscienceÅbo Akademi UniversityTurkuFinland
| | - Rikard Holmdahl
- Medicity Research LaboratoryUniversity of TurkuTurkuFinland
- Division of Medical Inflammation Research, Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSweden
| | - Jyrki Heino
- Department of BiochemistryUniversity of TurkuTurkuFinland
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22
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Docheva D, Popov C, Alberton P, Aszodi A. Integrin signaling in skeletal development and function. ACTA ACUST UNITED AC 2014; 102:13-36. [DOI: 10.1002/bdrc.21059] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 01/14/2014] [Indexed: 12/22/2022]
Affiliation(s)
- Denitsa Docheva
- Experimental Surgery and Regenerative Medicine, Department of Surgery; Ludwig-Maximilians-University; 80336 Munich Germany
| | - Cvetan Popov
- Experimental Surgery and Regenerative Medicine, Department of Surgery; Ludwig-Maximilians-University; 80336 Munich Germany
| | - Paolo Alberton
- Experimental Surgery and Regenerative Medicine, Department of Surgery; Ludwig-Maximilians-University; 80336 Munich Germany
| | - Attila Aszodi
- Experimental Surgery and Regenerative Medicine, Department of Surgery; Ludwig-Maximilians-University; 80336 Munich Germany
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23
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Cartilage tissue engineering: molecular control of chondrocyte differentiation for proper cartilage matrix reconstruction. Biochim Biophys Acta Gen Subj 2014; 1840:2414-40. [PMID: 24608030 DOI: 10.1016/j.bbagen.2014.02.030] [Citation(s) in RCA: 164] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Revised: 02/06/2014] [Accepted: 02/26/2014] [Indexed: 12/18/2022]
Abstract
BACKGROUND Articular cartilage defects are a veritable therapeutic problem because therapeutic options are very scarce. Due to the poor self-regeneration capacity of cartilage, minor cartilage defects often lead to osteoarthritis. Several surgical strategies have been developed to repair damaged cartilage. Autologous chondrocyte implantation (ACI) gives encouraging results, but this cell-based therapy involves a step of chondrocyte expansion in a monolayer, which results in the loss in the differentiated phenotype. Thus, despite improvement in the quality of life for patients, reconstructed cartilage is in fact fibrocartilage. Successful ACI, according to the particular physiology of chondrocytes in vitro, requires active and phenotypically stabilized chondrocytes. SCOPE OF REVIEW This review describes the unique physiology of cartilage, with the factors involved in its formation, stabilization and degradation. Then, we focus on some of the most recent advances in cell therapy and tissue engineering that open up interesting perspectives for maintaining or obtaining the chondrogenic character of cells in order to treat cartilage lesions. MAJOR CONCLUSIONS Current research involves the use of chondrocytes or progenitor stem cells, associated with "smart" biomaterials and growth factors. Other influential factors, such as cell sources, oxygen pressure and mechanical strain are considered, as are recent developments in gene therapy to control the chondrocyte differentiation/dedifferentiation process. GENERAL SIGNIFICANCE This review provides new information on the mechanisms regulating the state of differentiation of chondrocytes and the chondrogenesis of mesenchymal stem cells that will lead to the development of new restorative cell therapy approaches in humans. This article is part of a Special Issue entitled Matrix-mediated cell behaviour and properties.
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Integrin α10β1: a collagen receptor critical in skeletal development. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 819:61-71. [PMID: 25023167 DOI: 10.1007/978-94-017-9153-3_4] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Integrin α10β1 is the most abundant collagen-binding integrin in cartilaginous tissues and its expression pattern is distinct from that of other collagen-binding integrins. In vitro and in vivo studies have identified integrin α10β1 as a unique phenotypic marker for chondrocyte differentiation and a crucial mediator of cell-matrix interactions required for proper cartilage development. This chapter describes the structure of the integrin subunit α10, the tissue distribution of the integrin 10β1 and updates available information regarding its regulation and ligand binding. We also summarize current information on the functional roles of α10β1 in chondrogenesis of mesenchymal stem cells and in skeletal growth.
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25
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Perrier-Groult E, Pasdeloup M, Malbouyres M, Galéra P, Mallein-Gerin F. Control of collagen production in mouse chondrocytes by using a combination of bone morphogenetic protein-2 and small interfering RNA targeting Col1a1 for hydrogel-based tissue-engineered cartilage. Tissue Eng Part C Methods 2013; 19:652-64. [PMID: 23311625 DOI: 10.1089/ten.tec.2012.0396] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Because articular cartilage does not self-repair, tissue-engineering strategies should be considered to regenerate this tissue. Autologous chondrocyte implantation is already used for treatment of focal damage of articular cartilage. Unfortunately, this technique includes a step of cell amplification, which results in dedifferentiation of chondrocytes, with expression of type I collagen, a protein characteristic of fibrotic tissues. Therefore, the risk of producing a fibrocartilage exists. The aim of this study was to propose a new strategy for authorizing the recovery of the differentiated status of the chondrocytes after their amplification on plastic. Because the bone morphogenetic protein (BMP)-2 and the transforming growth factor (TGF)-β1 are cytokines both proposed as stimulants for cartilage repair, we undertook a detailed comparative analysis of their biological effects on chondrocytes. As a cellular model, we used mouse chondrocytes after their expansion on plastic and we tested the capability of BMP-2 or TGF-β1 to drive their redifferentiation, with special attention given to the nature of the proteins synthesized by the cells. To prevent any fibrotic character of the newly synthesized extracellular matrix, we silenced type I collagen by transfecting small interfering RNA (siRNA) into the chondrocytes, before their exposure to BMP-2 or TGF-β1. Our results showed that addition of siRNA targeting the mRNA encoded by the Col1a1 gene (Col1a1 siRNA) and BMP-2 represents the most efficient combination to control the production of cartilage-characteristic collagen proteins. To go one step further toward scaffold-based cartilage engineering, Col1a1 siRNA-transfected chondrocytes were encapsulated in agarose hydrogel and cultured in vitro for 1 week. The analysis of the chondrocyte-agarose constructs by using real-time polymerase chain reaction, Western-blotting, immunohistochemistry, and electron microscopy techniques demonstrated that the BMP-2/Col1a1 siRNA combination is effective in reinitializing correct production and assembly of the cartilage-characteristic matrix in agarose hydrogel, without production of type I collagen. Because agarose is known to favor long-term expression of the chondrocyte phenotype and agarose-based hydrogels are approved for clinical trials, this strategy appears very promising to repair hyaline cartilage.
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Dynamic compression of chondrocyte-agarose constructs reveals new candidate mechanosensitive genes. PLoS One 2012; 7:e36964. [PMID: 22615857 PMCID: PMC3355169 DOI: 10.1371/journal.pone.0036964] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2012] [Accepted: 04/16/2012] [Indexed: 11/19/2022] Open
Abstract
Articular cartilage is physiologically exposed to repeated loads. The mechanical properties of cartilage are due to its extracellular matrix, and homeostasis is maintained by the sole cell type found in cartilage, the chondrocyte. Although mechanical forces clearly control the functions of articular chondrocytes, the biochemical pathways that mediate cellular responses to mechanical stress have not been fully characterised. The aim of our study was to examine early molecular events triggered by dynamic compression in chondrocytes. We used an experimental system consisting of primary mouse chondrocytes embedded within an agarose hydrogel; embedded cells were pre-cultured for one week and subjected to short-term compression experiments. Using Western blots, we demonstrated that chondrocytes maintain a differentiated phenotype in this model system and reproduce typical chondrocyte-cartilage matrix interactions. We investigated the impact of dynamic compression on the phosphorylation state of signalling molecules and genome-wide gene expression. After 15 min of dynamic compression, we observed transient activation of ERK1/2 and p38 (members of the mitogen-activated protein kinase (MAPK) pathways) and Smad2/3 (members of the canonical transforming growth factor (TGF)-β pathways). A microarray analysis performed on chondrocytes compressed for 30 min revealed that only 20 transcripts were modulated more than 2-fold. A less conservative list of 325 modulated genes included genes related to the MAPK and TGF-β pathways and/or known to be mechanosensitive in other biological contexts. Of these candidate mechanosensitive genes, 85% were down-regulated. Down-regulation may therefore represent a general control mechanism for a rapid response to dynamic compression. Furthermore, modulation of transcripts corresponding to different aspects of cellular physiology was observed, such as non-coding RNAs or primary cilium. This study provides new insight into how chondrocytes respond to mechanical forces.
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Freyria AM, Mallein-Gerin F. Chondrocytes or adult stem cells for cartilage repair: the indisputable role of growth factors. Injury 2012; 43:259-65. [PMID: 21696723 DOI: 10.1016/j.injury.2011.05.035] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Accepted: 05/25/2011] [Indexed: 02/02/2023]
Abstract
Articular cartilage is easily injured but difficult to repair and cell therapies are proposed as tools to regenerate the defects in the tissue. Both differentiated chondrocytes and adult mesenchymal stem cells (MSCs) are regarded as cells potentially able to restore a functional cartilage. However, it is a complex process from the cell level to the tissue end product, during which growth factors play important roles from cell proliferation, extracellular matrix synthesis, maintenance of the phenotype to induction of MSCs towards chondrogenesis. Members of the TGF-β superfamily, are especially important in fulfilling these roles. Depending on the cell type chosen to restore cartilage, the effect of growth factors will vary. In this review, the roles of these factors in the maintenance of the chondrocyte phenotype are discussed and compared with those of factors involved in the repair of cartilage defects, using chondrocytes or adult mesenchymal stem cells.
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Affiliation(s)
- Anne-Marie Freyria
- Cartilage Biology and Engineering Group, IBCP, Université Lyon 1, Univ Lyon, CNRS FRE 3310, IFR128, France.
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Claus S, Aubert-Foucher E, Perrier-Groult E, Bougault C, Ronzière MC, Freyria AM, Legendre F, Ollitrault D, Boumediene K, Demoor M, Galera P, Tian T, Flajollet S, Duterque-Coquillaud M, Damour O, Chajra H, Mallein-Gerin F. Décryptage des signalisations moléculaires contrôlant la différenciation des chondrocytes : retombées pour l’ingénierie tissulaire du cartilage : le projet ANR-TecSan PROMOCART. Ing Rech Biomed 2011. [DOI: 10.1016/j.irbm.2011.01.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Schmal H, Niemeyer P, Zwingmann J, Stoffel F, Südkamp NP, Mehlhorn AT. Association between expression of the bone morphogenetic proteins 2 and 7 in the repair of circumscribed cartilage lesions with clinical outcome. BMC Musculoskelet Disord 2010; 11:170. [PMID: 20670444 PMCID: PMC2920860 DOI: 10.1186/1471-2474-11-170] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2010] [Accepted: 07/29/2010] [Indexed: 12/02/2022] Open
Abstract
Background Although there is much known about the role of BMPs in cartilage metabolism reliable data about the in vivo regulation in natural and surgically induced cartilage repair are still missing. Methods Lavage fluids of knee joints of 47 patients were collected during surgical therapy. 5 patients had no cartilage lesion and served as a control group, the other 42 patients with circumscribed cartilage defects were treated by microfracturing (19) or by an Autologous Chondrocyte Implantation (23). The concentrations of BMP-2 and BMP-7 were determined by ELISA. The clinical status was evaluated using the IKDC Score prior to and 1 year following the operation. Results High level expression in the control group was found for BMP-2, concentrations of BMP-7 remained below detection levels. No statistical differences could be detected in concentrations of BMP-2 or BMP-7 in the lavage fluids of knees with cartilage lesions compared to the control group. Levels of BMP-7 did not change after surgical cartilage repair, whereas concentrations of BMP-2 statistically significant increased after the intervention (p < 0.001). The clinical outcome following cartilage regenerating surgery increased after 1 year by 29% (p < 0.001). The difference of the IKDC score after 1 year and prior to the operation was used to quantify the degree of improvement following surgery. This difference statistically significant correlated with initial BMP-2 (R = 0.554, p < 0.001) but not BMP-7 (R = 0.031, n.s.) levels in the knee joints. Conclusions BMP-2 seems to play an important role in surgically induced cartilage repair; synovial expression correlates with the clinical outcome.
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Affiliation(s)
- Hagen Schmal
- Department of Orthopedic Surgery, University of Freiburg Medical Center, Hugstetter Str 55, D-79106 Freiburg, Germany.
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