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Smolinska V, Harsanyi S, Bohac M, Danisovic L. Exploring the Three-Dimensional Frontier: Advancements in MSC Spheroids and Their Implications for Breast Cancer and Personalized Regenerative Therapies. Biomedicines 2023; 12:52. [PMID: 38255159 PMCID: PMC10813175 DOI: 10.3390/biomedicines12010052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/13/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
To more accurately replicate the in vivo three-dimensional (3D) mesenchymal stem cell (MSC) niche and enhance cellular phenotypes for superior in vivo treatments, MSC functionalization through in vitro 3D culture approaches has gained attention. The organization of MSCs in 3D spheroids results in altered cell shape, cytoskeleton rearrangement, and polarization. Investigations have revealed that the survival and secretory capability of MSCs are positively impacted by moderate hypoxia within the inner zones of MSC spheroids. The spheroid hypoxic microenvironment enhances the production of angiogenic and anti-apoptotic molecules, including HGF, VEGF, and FGF-2. Furthermore, it upregulates the expression of hypoxia-adaptive molecules such as CXCL12 and HIF-1, inhibiting MSC death. The current review focuses on the latest developments in fundamental and translational research concerning three-dimensional MSC systems. This emphasis extends to the primary benefits and potential applications of MSC spheroids, particularly in the context of breast cancer and customized regenerative therapies.
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Affiliation(s)
- Veronika Smolinska
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia; (V.S.); (M.B.); (L.D.)
| | - Stefan Harsanyi
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia; (V.S.); (M.B.); (L.D.)
| | - Martin Bohac
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia; (V.S.); (M.B.); (L.D.)
- Regenmed Ltd., Medena 29, 811 02 Bratislava, Slovakia
| | - Lubos Danisovic
- Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University in Bratislava, Sasinkova 4, 811 08 Bratislava, Slovakia; (V.S.); (M.B.); (L.D.)
- Regenmed Ltd., Medena 29, 811 02 Bratislava, Slovakia
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2
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Velot É, Balmayor ER, Bertoni L, Chubinskaya S, Cicuttini F, de Girolamo L, Demoor M, Grigolo B, Jones E, Kon E, Lisignoli G, Murphy M, Noël D, Vinatier C, van Osch GJVM, Cucchiarini M. Women's contribution to stem cell research for osteoarthritis: an opinion paper. Front Cell Dev Biol 2023; 11:1209047. [PMID: 38174070 PMCID: PMC10762903 DOI: 10.3389/fcell.2023.1209047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/18/2023] [Indexed: 01/05/2024] Open
Affiliation(s)
- Émilie Velot
- Laboratory of Molecular Engineering and Articular Physiopathology (IMoPA), French National Centre for Scientific Research, University of Lorraine, Nancy, France
| | - Elizabeth R. Balmayor
- Experimental Orthopaedics and Trauma Surgery, Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH Aachen University Hospital, Aachen, Germany
- Rehabilitation Medicine Research Center, Mayo Clinic, Rochester, MN, United States
| | - Lélia Bertoni
- CIRALE, USC 957, BPLC, École Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | | | - Flavia Cicuttini
- Musculoskeletal Unit, Monash University and Rheumatology, Alfred Hospital, Melbourne, VIC, Australia
| | - Laura de Girolamo
- IRCCS Ospedale Galeazzi - Sant'Ambrogio, Orthopaedic Biotechnology Laboratory, Milan, Italy
| | - Magali Demoor
- Normandie University, UNICAEN, BIOTARGEN, Caen, France
| | - Brunella Grigolo
- IRCCS Istituto Ortopedico Rizzoli, Laboratorio RAMSES, Bologna, Italy
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom
| | - Elizaveta Kon
- IRCCS Humanitas Research Hospital, Milan, Italy
- Department ofBiomedical Sciences, Humanitas University, Milan, Italy
| | - Gina Lisignoli
- IRCCS Istituto Ortopedico Rizzoli, Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Bologna, Italy
| | - Mary Murphy
- Regenerative Medicine Institute (REMEDI), School of Medicine, University of Galway, Galway, Ireland
| | - Danièle Noël
- IRMB, University of Montpellier, Inserm, CHU Montpellier, Montpellier, France
| | - Claire Vinatier
- Nantes Université, Oniris, INSERM, Regenerative Medicine and Skeleton, Nantes, France
| | - Gerjo J. V. M. van Osch
- Department of Orthopaedics and Sports Medicine and Department of Otorhinolaryngology, Department of Biomechanical Engineering, University Medical Center Rotterdam, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Delft, Netherlands
| | - Magali Cucchiarini
- Center of Experimental Orthopedics, Saarland University and Saarland University Medical Center, Homburg/Saar, Germany
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3
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Zhang Z, Zhao S, Sun Z, Zhai C, Xia J, Wen C, Zhang Y, Zhang Y. Enhancement of the therapeutic efficacy of mesenchymal stem cell-derived exosomes in osteoarthritis. Cell Mol Biol Lett 2023; 28:75. [PMID: 37770821 PMCID: PMC10540339 DOI: 10.1186/s11658-023-00485-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 08/29/2023] [Indexed: 09/30/2023] Open
Abstract
Osteoarthritis (OA), a common joint disorder with articular cartilage degradation as the main pathological change, is the major source of pain and disability worldwide. Despite current treatments, the overall treatment outcome is unsatisfactory. Thus, patients with severe OA often require joint replacement surgery. In recent years, mesenchymal stem cells (MSCs) have emerged as a promising therapeutic option for preclinical and clinical palliation of OA. MSC-derived exosomes (MSC-Exos) carrying bioactive molecules of the parental cells, including non-coding RNAs (ncRNAs) and proteins, have demonstrated a significant impact on the modulation of various physiological behaviors of cells in the joint cavity, making them promising candidates for cell-free therapy for OA. This review provides a comprehensive overview of the biosynthesis and composition of MSC-Exos and their mechanisms of action in OA. We also discussed the potential of MSC-Exos as a therapeutic tool for modulating intercellular communication in OA. Additionally, we explored bioengineering approaches to enhance MSC-Exos' therapeutic potential, which may help to overcome challenges and achieve clinically meaningful OA therapies.
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Affiliation(s)
- Zehao Zhang
- School of Clinical Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Sheng Zhao
- School of Clinical Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Zhaofeng Sun
- School of Clinical Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Chuanxing Zhai
- School of Clinical Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Jiang Xia
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, SAR, China
| | - Caining Wen
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272029, Shandong, China.
| | - Yuge Zhang
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272029, Shandong, China.
| | - Yuanmin Zhang
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, 272029, Shandong, China.
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Xu X, Xu L, Xia J, Wen C, Liang Y, Zhang Y. Harnessing knee joint resident mesenchymal stem cells in cartilage tissue engineering. Acta Biomater 2023; 168:372-387. [PMID: 37481194 DOI: 10.1016/j.actbio.2023.07.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/26/2023] [Accepted: 07/17/2023] [Indexed: 07/24/2023]
Abstract
Osteoarthritis (OA) is a widespread clinical disease characterized by cartilage degeneration in middle-aged and elderly people. Currently, there is no effective treatment for OA apart from total joint replacement in advanced stages. Mesenchymal stem cells (MSCs) are a type of adult stem cell with diverse differentiation capabilities and immunomodulatory potentials. MSCs are known to effectively regulate the cartilage microenvironment, promote cartilage regeneration, and alleviate OA symptoms. As a result, they are promising sources of cells for OA therapy. Recent studies have revealed the presence of resident MSCs in synovial fluid, synovial membrane, and articular cartilage, which can be collected as knee joint-derived MSCs (KJD-MSC). Several preclinical and clinical studies have demonstrated that KJD-MSCs have great potential for OA treatment, whether applied alone, in combination with biomaterials, or as exocrine MSCs. In this article, we will review the characteristics of MSCs in the joints, including their cytological characteristics, such as proliferation, cartilage differentiation, and immunomodulatory abilities, as well as the biological function of MSC exosomes. We will also discuss the use of tissue engineering in OA treatment and introduce the concept of a new generation of stem cell-based tissue engineering therapy, including the use of engineering, gene therapy, and gene editing techniques to create KJD-MSCs or KJD-MSC derivative exosomes with improved functionality and targeted delivery. These advances aim to maximize the efficiency of cartilage tissue engineering and provide new strategies to overcome the bottleneck of OA therapy. STATEMENT OF SIGNIFICANCE: This research will provide new insights into the medicinal benefit of Joint resident Mesenchymal Stem Cells (MSCs), specifically on its cartilage tissue engineering ability. Through this review, the community will further realize promoting joint resident mesenchymal stem cells, especially cartilage progenitor/MSC-like progenitor cells (CPSC), as a preventive measure against osteoarthritis and cartilage injury. People and medical institutions may also consider cartilage derived MSC as an alternative approach against cartilage degeneration. Moreover, the discussion presented in this study will convey valuable information for future research that will explore the medicinal benefits of cartilage derived MSC.
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Affiliation(s)
- Xiao Xu
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong 272029, China; Department of Orthopedics, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518035, China
| | - Limei Xu
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong 272029, China
| | - Jiang Xia
- Department of Chemistry, the Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Caining Wen
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong 272029, China
| | - Yujie Liang
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong 272029, China; Department of Chemistry, the Chinese University of Hong Kong, Shatin, Hong Kong SAR, China.
| | - Yuanmin Zhang
- Department of Joint Surgery and Sports Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, Shandong 272029, China.
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Ulker D, Neal TJ, Crawford A, Armes SP. Thermoresponsive Poly( N, N'-dimethylacrylamide)-Based Diblock Copolymer Worm Gels via RAFT Solution Polymerization: Synthesis, Characterization, and Cell Biology Applications. Biomacromolecules 2023; 24:4285-4302. [PMID: 37616242 PMCID: PMC10498450 DOI: 10.1021/acs.biomac.3c00635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/09/2023] [Indexed: 08/26/2023]
Abstract
RAFT solution polymerization is used to polymerize 2-hydroxypropyl methacrylate (HPMA). The resulting PHPMA precursor is then chain-extended using N,N'-dimethylacrylamide (DMAC) to produce a series of thermoresponsive PHPMA-PDMAC diblock copolymers. Such amphiphilic copolymers can be directly dispersed in ice-cold water and self-assembled at 20 °C to form spheres, worms, or vesicles depending on their copolymer composition. Construction of a pseudo-phase diagram is required to identify the pure worm phase, which corresponds to a rather narrow range of PDMAC DPs. Such worms form soft, free-standing gels in aqueous solution at around ambient temperature. Rheology studies confirm the thermoresponsive nature of such worms, which undergo a reversible worm-to-sphere on cooling below ambient temperature. This morphological transition leads to in situ degelation, and variable temperature 1H NMR studies indicate a higher degree of (partial) hydration for the weakly hydrophobic PHPMA chains at lower temperatures. The trithiocarbonate end-group located at the end of each PDMAC chain can be removed by treatment with excess hydrazine. The resulting terminal secondary thiol group can form disulfide bonds via coupling, which produces PHPMA-PDMAC-PHPMA triblock copolymer chains. Alternatively, this reactive thiol group can be used for conjugation reactions. A PHPMA141-PDMAC36 worm gel was used to store human mesenchymal stem cells (MSCs) for up to three weeks at 37 °C. MSCs retrieved from this gel subsequently underwent proliferation and maintained their ability to differentiate into osteoblastic cells.
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Affiliation(s)
- Damla Ulker
- Dainton
Building, Department of Chemistry, University
of Sheffield, Brook Hill, Sheffield, South
Yorkshire S3 7HF, UK
- Faculty
of Pharmacy, Department of Pharmaceutical Basic Sciences, Near East University, Nicosia, Northern Cyprus TR-99138, Turkey
| | - Thomas J. Neal
- Dainton
Building, Department of Chemistry, University
of Sheffield, Brook Hill, Sheffield, South
Yorkshire S3 7HF, UK
| | - Aileen Crawford
- School
of Clinical Dentistry, University of Sheffield, Claremont Crescent, Sheffield, South Yorkshire S10 2TA, UK
| | - Steven P. Armes
- Dainton
Building, Department of Chemistry, University
of Sheffield, Brook Hill, Sheffield, South
Yorkshire S3 7HF, UK
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He S, Deng H, Li P, Hu J, Yang Y, Xu Z, Liu S, Guo W, Guo Q. Arthritic Microenvironment-Dictated Fate Decisions for Stem Cells in Cartilage Repair. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207715. [PMID: 37518822 PMCID: PMC10520688 DOI: 10.1002/advs.202207715] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 06/05/2023] [Indexed: 08/01/2023]
Abstract
The microenvironment and stem cell fate guidance of post-traumatic articular cartilage regeneration is primarily the focus of cartilage tissue engineering. In articular cartilage, stem cells are characterized by overlapping lineages and uneven effectiveness. Within the first 12 weeks after trauma, the articular inflammatory microenvironment (AIME) plays a decisive role in determining the fate of stem cells and cartilage. The development of fibrocartilage and osteophyte hyperplasia is an adverse outcome of chronic inflammation, which results from an imbalance in the AIME during the cartilage tissue repair process. In this review, the sources for the different types of stem cells and their fate are summarized. The main pathophysiological events that occur within the AIME as well as their protagonists are also discussed. Additionally, regulatory strategies that may guide the fate of stem cells within the AIME are proposed. Finally, strategies that provide insight into AIME pathophysiology are discussed and the design of new materials that match the post-traumatic progress of AIME pathophysiology in a spatial and temporal manner is guided. Thus, by regulating an appropriately modified inflammatory microenvironment, efficient stem cell-mediated tissue repair may be achieved.
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Affiliation(s)
- Songlin He
- School of MedicineNankai UniversityTianjin300071China
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Haotian Deng
- School of MedicineNankai UniversityTianjin300071China
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Peiqi Li
- School of MedicineNankai UniversityTianjin300071China
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Jingjing Hu
- Department of GastroenterologyInstitute of GeriatricsChinese PLA General HospitalBeijing100853China
| | - Yongkang Yang
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Ziheng Xu
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Shuyun Liu
- School of MedicineNankai UniversityTianjin300071China
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
| | - Weimin Guo
- Department of Orthopaedic SurgeryGuangdong Provincial Key Laboratory of Orthopedics and TraumatologyFirst Affiliated HospitalSun Yat‐Sen UniversityGuangzhouGuangdong510080China
| | - Quanyi Guo
- School of MedicineNankai UniversityTianjin300071China
- Institute of Orthopedicsthe First Medical CenterChinese PLA General HospitalBeijing Key Lab of Regenerative Medicine in OrthopedicsKey Laboratory of Musculoskeletal Trauma & War Injuries PLABeijing100853China
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7
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Implication of Cellular Senescence in Osteoarthritis: A Study on Equine Synovial Fluid Mesenchymal Stromal Cells. Int J Mol Sci 2023; 24:ijms24043109. [PMID: 36834521 PMCID: PMC9967174 DOI: 10.3390/ijms24043109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/29/2023] [Accepted: 02/02/2023] [Indexed: 02/08/2023] Open
Abstract
Osteoarthritis (OA) is described as a chronic degenerative disease characterized by the loss of articular cartilage. Senescence is a natural cellular response to stressors. Beneficial in certain conditions, the accumulation of senescent cells has been implicated in the pathophysiology of many diseases associated with aging. Recently, it has been demonstrated that mesenchymal stem/stromal cells isolated from OA patients contain many senescent cells that inhibit cartilage regeneration. However, the link between cellular senescence in MSCs and OA progression is still debated. In this study, we aim to characterize and compare synovial fluid MSCs (sf-MSCs), isolated from OA joints, with healthy sf-MSCs, investigating the senescence hallmarks and how this state could affect cartilage repair. Sf-MSCs were isolated from tibiotarsal joints of healthy and diseased horses with an established diagnosis of OA with an age ranging from 8 to 14 years. Cells were cultured in vitro and characterized for cell proliferation assay, cell cycle analysis, ROS detection assay, ultrastructure analysis, and the expression of senescent markers. To evaluate the influence of senescence on chondrogenic differentiation, OA sf-MSCs were stimulated in vitro for up to 21 days with chondrogenic factors, and the expression of chondrogenic markers was compared with healthy sf-MSCs. Our findings demonstrated the presence of senescent sf-MSCs in OA joints with impaired chondrogenic differentiation abilities, which could have a potential influence on OA progression.
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Pellicore MJ, Gangi LR, Murphy LA, Lee AJ, Jacobsen T, Kenawy HM, Shah RP, Chahine NO, Ateshian GA, Hung CT. Toward defining the role of the synovium in mitigating normal articular cartilage wear and tear. J Biomech 2023; 148:111472. [PMID: 36753853 PMCID: PMC10295808 DOI: 10.1016/j.jbiomech.2023.111472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/27/2023]
Abstract
Cartilage repair has been studied extensively in the context of injury and disease, but the joint's management of regular sub-injurious damage to cartilage, or 'wear and tear,' which occurs due to normal activity, is poorly understood. We hypothesize that this cartilage maintenance is mediated in part by cells derived from the synovium that migrate to the worn articular surface. Here, we demonstrate in vitro that the early steps required for such a process can occur. First, we show that under physiologic mechanical loads, chondrocyte death occurs in the cartilage superficial zone along with changes to the cartilage surface topography. Second, we show that synoviocytes are released from the synovial lining under physiologic loads and attach to worn cartilage. Third, we show that synoviocytes parachuted onto a simulated or native cartilage surface will modify their behavior. Specifically, we show that synoviocyte interactions with chondrocytes lead to changes in synoviocyte mechanosensitivity, and we demonstrate that cartilage-attached synoviocytes can express COL2A1, a hallmark of the chondrogenic phenotype. Our findings suggest that synoviocyte-mediated repair of cartilage 'wear and tear' as a component of joint homeostasis is feasible and is deserving of future study.
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Affiliation(s)
- Matthew J Pellicore
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Lianna R Gangi
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Lance A Murphy
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Andy J Lee
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Timothy Jacobsen
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Hagar M Kenawy
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Roshan P Shah
- Department of Orthopedic Surgery, Columbia University, New York, NY, USA
| | - Nadeen O Chahine
- Department of Biomedical Engineering, Columbia University, New York, NY, USA; Department of Orthopedic Surgery, Columbia University, New York, NY, USA
| | - Gerard A Ateshian
- Department of Orthopedic Surgery, Columbia University, New York, NY, USA; Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Clark T Hung
- Department of Biomedical Engineering, Columbia University, New York, NY, USA; Department of Orthopedic Surgery, Columbia University, New York, NY, USA.
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Strecanska M, Danisovic L, Ziaran S, Cehakova M. The Role of Extracellular Matrix and Hydrogels in Mesenchymal Stem Cell Chondrogenesis and Cartilage Regeneration. LIFE (BASEL, SWITZERLAND) 2022; 12:life12122066. [PMID: 36556431 PMCID: PMC9784885 DOI: 10.3390/life12122066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/02/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022]
Abstract
Diseases associated with articular cartilage disintegration or loss are still therapeutically challenging. The traditional treatment approaches only alleviate the symptoms while potentially causing serious side effects. The limited self-renewal potential of articular cartilage provides opportunities for advanced therapies involving mesenchymal stem cells (MSCs) that are characterized by a remarkable regenerative capacity. The chondrogenic potential of MSCs is known to be regulated by the local environment, including soluble factors and the less discussed extracellular matrix (ECM) components. This review summarizes the process of chondrogenesis, and also the biological properties of the ECM mediated by mechanotransduction as well as canonical and non-canonical signaling. Our focus is also on the influence of the ECM's physical parameters, molecular composition, and chondrogenic factor affinity on the adhesion, survival, and chondrogenic differentiation of MSCs. These basic biological insights are crucial for a more precise fabrication of ECM-mimicking hydrogels to improve cartilage tissue reconstruction. Lastly, we provide an overview of hydrogel classification and characterization. We also include the results from preclinical models combining MSCs with hydrogels for the treatment of cartilage defects, to support clinical application of this construct. Overall, it is believed that the proper combination of MSCs, hydrogels, and chondrogenic factors can lead to complex cartilage regeneration.
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Affiliation(s)
- Magdalena Strecanska
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia
- Institute of Medical Biology, Genetics, and Clinical Genetics, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Lubos Danisovic
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia
- Institute of Medical Biology, Genetics, and Clinical Genetics, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
| | - Stanislav Ziaran
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia
- Department of Urology, Faculty of Medicine, Comenius University, Limbova 5, 833 05 Bratislava, Slovakia
| | - Michaela Cehakova
- National Institute of Rheumatic Diseases, Nabrezie I. Krasku 4, 921 12 Piestany, Slovakia
- Institute of Medical Biology, Genetics, and Clinical Genetics, Faculty of Medicine, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
- Correspondence: ; Tel.: +421-2-5935-7215
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10
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Zelinka A, Roelofs AJ, Kandel RA, De Bari C. Cellular therapy and tissue engineering for cartilage repair. Osteoarthritis Cartilage 2022; 30:1547-1560. [PMID: 36150678 DOI: 10.1016/j.joca.2022.07.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 02/02/2023]
Abstract
Articular cartilage (AC) has limited capacity for repair. The first attempt to repair cartilage using tissue engineering was reported in 1977. Since then, cell-based interventions have entered clinical practice in orthopaedics, and several tissue engineering approaches to repair cartilage are in the translational pipeline towards clinical application. Classically, these involve a scaffold, substrate or matrix to provide structure, and cells such as chondrocytes or mesenchymal stromal cells to generate the tissue. We discuss the advantages and drawbacks of the use of various cell types, natural and synthetic scaffolds, multiphasic or gradient-based scaffolds, and self-organizing or self-assembling scaffold-free systems, for the engineering of cartilage constructs. Several challenges persist including achieving zonal tissue organization and integration with the surrounding tissue upon implantation. Approaches to improve cartilage thickness, organization and mechanical properties include mechanical stimulation, culture under hypoxic conditions, and stimulation with growth factors or other macromolecules. In addition, advanced technologies such as bioreactors, biosensors and 3D bioprinting are actively being explored. Understanding the underlying mechanisms of action of cell therapy and tissue engineering approaches will help improve and refine therapy development. Finally, we discuss recent studies of the intrinsic cellular and molecular mechanisms of cartilage repair that have identified novel signals and targets and are inspiring the development of molecular therapies to enhance the recruitment and cartilage reparative activity of joint-resident stem and progenitor cells. A one-fits-all solution is unrealistic, and identifying patients who will respond to a specific targeted treatment will be critical.
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Affiliation(s)
- A Zelinka
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Dept. Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
| | - A J Roelofs
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - R A Kandel
- Lunenfeld Tanenbaum Research Institute, Sinai Health, Dept. Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.
| | - C De Bari
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK.
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11
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Liu W, Feng M, Xu P. From regeneration to osteoarthritis in the knee joint: The role shift of cartilage-derived progenitor cells. Front Cell Dev Biol 2022; 10:1010818. [PMID: 36340024 PMCID: PMC9630655 DOI: 10.3389/fcell.2022.1010818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 09/30/2022] [Indexed: 12/02/2022] Open
Abstract
A mount of growing evidence has proven that cartilage-derived progenitor cells (CPCs) harbor strong proliferation, migration, andmultiple differentiation potentials over the past 2 decades. CPCs in the stage of immature tissue play an important role in cartilage development process and injured cartilage repair in the young and active people. However, during maturation and aging, cartilage defects cannot be completely repaired by CPCs in vivo. Recently, tissue engineering has revealed that repaired cartilage defects with sufficient stem cell resources under good condition and bioactive scaffolds in vitro and in vivo. Chronic inflammation in the knee joint limit the proliferation and chondrogenesis abilities of CPCs, which further hampered cartilage healing and regeneration. Neocartilage formation was observed in the varus deformity of osteoarthritis (OA) patients treated with offloading technologies, which raises the possibility that organisms could rebuild cartilage structures spontaneously. In addition, nutritionmetabolismdysregulation, including glucose and free fatty acid dysregulation, could influence both chondrogenesis and cartilage formation. There are a few reviews about the advantages of CPCs for cartilage repair, but few focused on the reasons why CPCs could not repair the cartilage as they do in immature status. A wide spectrum of CPCs was generated by different techniques and exhibited substantial differences. We recently reported that CPCs maybe are as internal inflammation sources during cartilage inflammaging. In this review, we further streamlined the changes of CPCs from immature development to maturation and from healthy status to OA advancement. The key words including “cartilage derived stem cells”, “cartilage progenitor cells”, “chondroprogenitor cells”, “chondroprogenitors” were set for latest literature searching in PubMed and Web of Science. The articles were then screened through titles, abstracts, and the full texts in sequence. The internal environment including long-term inflammation, extendedmechanical loading, and nutritional elements intake and external deleterious factors were summarized. Taken together, these results provide a comprehensive understanding of the underlying mechanism of CPC proliferation and differentiation during development, maturation, aging, injury, and cartilage regeneration in vivo.
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Affiliation(s)
- Wenguang Liu
- Honghui Hospital, Xi’an Jiaotong University, Xi’an, China
| | - Meng Feng
- Department of Orthopedics, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Peng Xu
- Honghui Hospital, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Peng Xu,
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12
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He T, Shaw I, Vedadghavami A, Bajpayee AG. Single-Dose Intra-Cartilage Delivery of Kartogenin Using a Cationic Multi-Arm Avidin Nanocarrier Suppresses Cytokine-Induced Osteoarthritis-Related Catabolism. Cartilage 2022; 13:19476035221093072. [PMID: 35491681 PMCID: PMC9251829 DOI: 10.1177/19476035221093072] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/01/2022] [Accepted: 03/21/2022] [Indexed: 01/08/2023] Open
Abstract
OBJECTIVE Kartogenin (KGN) has proven as a both chondrogenic and chondroprotective drug for osteoarthritis (OA) therapy. However, being a small hydrophobic molecule, KGN suffers from rapid joint clearance and inability to penetrate cartilage to reach chondrocytes following intra-articular administration. As such multiple high doses are needed that can lead to off-target effects including stimulation and tissue outgrowth. Here we design charge-based cartilage targeting formulation of KGN by using a multi-arm cationic nano-construct of Avidin (mAv) that can rapidly penetrate into cartilage in high concentrations owing to weak-reversible electrostatic binding interactions with negatively charged aggrecan-glycosaminoglycans (GAGs) and form an extended-release drug depot such that its therapeutic benefit can be reaped in just a single dose. DESIGN We synthesized 2 novel formulations, one with a releasable ester linker (mAv-OH-KGN, release half-life ~58 h) that enables sustained KGN release over 2 weeks and another with a non-releasable amide linker (mAv-NH-KGN) that relies on mAv's ability to be uptaken and endocytosed by chondrocytes for drug delivery. Their effectiveness in suppressing cytokine-induced catabolism was evaluated in vitro using cartilage explant culture model. RESULTS A single 100 μM dose of cartilage homing mAv-KGN was significantly more effective in suppressing cytokine-induced GAG loss, cell death, inflammatory response and in rescuing cell metabolism than a single dose of free KGN; multiple doses of free KGN were needed to match this therapeutic response. CONCLUSION mAv mediated delivery of KGN is promising and can facilitate clinical translation of KGN for OA treatment with only a single dose.
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Affiliation(s)
- Tengfei He
- Department of Bioengineering,
Northeastern University, Boston, MA, USA
| | - Irfhan Shaw
- Department of Bioengineering,
Northeastern University, Boston, MA, USA
| | | | - Ambika G. Bajpayee
- Department of Bioengineering,
Northeastern University, Boston, MA, USA
- Department of Mechanical Engineering,
Northeastern University, Boston, MA, USA
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13
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Jansen MP, Mastbergen SC. Joint distraction for osteoarthritis: clinical evidence and molecular mechanisms. Nat Rev Rheumatol 2022; 18:35-46. [PMID: 34616035 DOI: 10.1038/s41584-021-00695-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2021] [Indexed: 12/20/2022]
Abstract
Joint distraction, the prolonged mechanical separation of the bones at a joint, has emerged as a joint-preserving treatment for end-stage osteoarthritis, with the gradually growing promise of implementation in regular clinical practice. Joint distraction of the knee has been most extensively studied, with these studies showing prolonged symptomatic improvement in combination with repair of cartilage tissue in degenerated knee joints, supporting the concept that cartilage repair can translate into real clinical benefit. The reversal of tissue degeneration observed with joint distraction could be the result of one or a combination of various proposed mechanisms, including partial unloading, synovial fluid pressure oscillation, mechanical and biochemical changes in subchondral bone, adhesion and chondrogenic commitment of joint-derived mesenchymal stem cells or a change in the molecular milieu of the joint. The overall picture that emerges from the combined evidence is relevant for future research and treatment-related improvements of joint distraction and for translation of the insights gained about tissue repair to other joint-preserving techniques. It remains to be elucidated whether optimizing the biomechanical conditions during joint distraction can actually cure osteoarthritis rather than only providing temporary symptomatic relief, but even temporary relief might be relevant for society and patients, as it will delay joint replacement with a prosthesis at an early age and thereby avert revision surgery later in life. Most importantly, improved insights into the underlying mechanisms of joint repair might provide new leads for more targeted treatment options.
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Affiliation(s)
- Mylène P Jansen
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Simon C Mastbergen
- Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands.
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14
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Jeyaraman M, Muthu S, Jeyaraman N, Ranjan R, Jha SK, Mishra P. Synovium Derived Mesenchymal Stromal Cells (Sy-MSCs): A Promising Therapeutic Paradigm in the Management of Knee Osteoarthritis. Indian J Orthop 2022; 56:1-15. [PMID: 35070137 PMCID: PMC8748553 DOI: 10.1007/s43465-021-00439-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 06/03/2021] [Indexed: 02/05/2023]
Abstract
Synovium-derived mesenchymal stromal cell (Sy-MSC) is a newer member of the mesenchymal stromal cell families. The first successful demonstration of the mesenchymal stromal cell from the human synovial membrane was done in 2001 and since then its potential role for musculoskeletal regeneration has been keenly documented. The regenerative effects of Sy-MSCs are through paracrine signaling, direct cell-cell interactions, and extracellular vehicles. Sy-MSCs possess superior chondrogenicity than other sources of mesenchymal stromal cells. This article aims to outline the advancement of synovium-derived mesenchymal stromal cells along with a specific insight into the application for managing osteoarthritis knee.
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Affiliation(s)
- Madhan Jeyaraman
- Department of Orthopaedics, School of Medical Sciences and Research, Sharda University, Greater Noida, Uttar Pradesh India
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
- International Association of Stemcell and Regenerative Medicine (IASRM), New Delhi, India
| | - Sathish Muthu
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
- International Association of Stemcell and Regenerative Medicine (IASRM), New Delhi, India
- Department of Orthopaedics, Government Medical College & Hospital, Dindigul, Tamil Nadu India
| | - Naveen Jeyaraman
- International Association of Stemcell and Regenerative Medicine (IASRM), New Delhi, India
- Department of Orthopaedics, Kasturba Medical College, MAHE University, Manipal, Karnataka India
| | - Rajni Ranjan
- Department of Orthopaedics, School of Medical Sciences and Research, Sharda University, Greater Noida, Uttar Pradesh India
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
- International Association of Stemcell and Regenerative Medicine (IASRM), New Delhi, India
| | - Prabhu Mishra
- International Association of Stemcell and Regenerative Medicine (IASRM), New Delhi, India
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15
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Altaie A, Baboolal TG, Wall O, Pandit H, Jones E, McGonagle D. Device-Based Enrichment of Knee Joint Synovial Cells to Drive MSC Chondrogenesis Without Prior Culture Expansion In Vitro: A Step Closer to 1-Stage Orthopaedic Procedures. Am J Sports Med 2022; 50:152-161. [PMID: 34779670 PMCID: PMC8739599 DOI: 10.1177/03635465211055164] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 07/27/2021] [Indexed: 01/31/2023]
Abstract
BACKGROUND Synovial fluid (SF) mesenchymal stem cells (MSCs) are derived from the synovial membrane and have cartilage repair potential. Their current use in clinical practice is largely exploratory. As their numbers tend to be small, therapeutic procedures using MSCs typically require culture expansion. Previous reports indicate that the stem cell-mobilizing device (STEM device) intraoperatively increases SF-MSCs. PURPOSE This study evaluated the chondrogenic potential of non-culture expanded synovium-mobilized MSCs and SF-microfragments obtained after enrichment using the STEM device and ascertained if device-mediated synovial membrane manipulation facilitated ongoing MSC release. STUDY DESIGN Controlled laboratory study. METHODS Two samples of aspiration fluid were collected intraoperatively before and after STEM device utilization from patients (n = 16) undergoing diagnostic or therapeutic knee arthroscopy. Human knee synovium (n = 5) was collected during total knee replacement, and a suspended culture was performed to assess the effect of the STEM device on ongoing MSC release. Colony forming unit-fibroblastic assays were used to determine the number of MSCs. Additionally, cytometric characterization of stromal and immune cells and chondrogenesis differentiation assay were performed without culture expansion. Filtered platelet concentrates were prepared using the HemaTrate system. RESULTS After STEM device use, a significant increase was evident in SF-MSCs (P = .03) and synovial fluid-resident synovial tissue microfragments (P = .03). In vitro-suspended synovium released significantly more MSCs following STEM device use than nonstimulated synovium (P = .01). The STEM device-released total cellular fraction produced greater in vitro chondrogenesis with significantly more glycosaminoglycans (GAGs; P < .0001) when compared with non-STEM device synovial fluid material. Nonexpanded SF-MSCs and SF-microfragments combined with autologous filtered platelet concentrate produced significantly more GAGs than the complete chondrogenic media (P < .0001). The STEM device-mobilized cells contained more M2 macrophage cells and fewer M1 cells. CONCLUSION Non-culture expanded SF-MSCs and SF-microfragments had the potential to undergo chondrogenesis without culture expansion, which can be augmented using the STEM device with increased MSC release from manipulated synovium for several days. Although preliminary, these findings offer proof of concept toward manipulation of the knee joint environment to facilitate endogenous repair responses. CLINICAL RELEVANCE Although numbers were small, this study highlights 3 factors relevant to 1-stage joint repair using the STEM device: increased SF-MSCs and SF-microfragments and prolonged synovial release of MSCs. Joint repair strategies involving endogenous MSCs for cartilage repair without the need for culture expansion in a 1-stage procedure may be possible.
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Affiliation(s)
- Ala Altaie
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Thomas G. Baboolal
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Owen Wall
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds, UK
| | - Hemant Pandit
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds, UK
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds, UK
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Staniowski T, Zawadzka-Knefel A, Skośkiewicz-Malinowska K. Therapeutic Potential of Dental Pulp Stem Cells According to Different Transplant Types. Molecules 2021; 26:7423. [PMID: 34946506 PMCID: PMC8707085 DOI: 10.3390/molecules26247423] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/02/2021] [Accepted: 12/04/2021] [Indexed: 12/13/2022] Open
Abstract
Stem cells are unspecialised cells capable of perpetual self-renewal, proliferation and differentiation into more specialised daughter cells. They are present in many tissues and organs, including the stomatognathic system. Recently, the great interest of scientists in obtaining stem cells from human teeth is due to their easy availability and a non-invasive procedure of collecting the material. Three key components are required for tissue regeneration: stem cells, appropriate scaffold material and growth factors. Depending on the source of the new tissue or organ, there are several types of transplants. In this review, the following division into four transplant types is applied due to genetic differences between the donor and the recipient: xenotransplantation, allotransplantation, autotransplantation and isotransplantation (however, due to the lack of research, type was not included). In vivo studies have shown that Dental Pulp Stem Cells (DPSCs)can form a dentin-pulp complex, nerves, adipose, bone, cartilage, skin, blood vessels and myocardium, which gives hope for their use in various biomedical areas, such as immunotherapy and regenerative therapy. This review presents the current in vivo research and advances to provide new biological insights and therapeutic possibilities of using DPSCs.
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Affiliation(s)
| | - Anna Zawadzka-Knefel
- Department of Conservative Dentistry with Endodontics, Wroclaw Medical University, 50-425 Wrocław, Poland; (T.S.); (K.S.-M.)
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Tofacitinib Blocks Entheseal Lymphocyte Activation and Modulates MSC Adipogenesis, but Does Not Directly Affect Chondro- and Osteogenesis. IMMUNO 2021. [DOI: 10.3390/immuno1040038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Entheseal spinal inflammation and new bone formation with progressive ankylosis may occur in ankylosing spondylitis (AS) and psoriatic arthritis (PsA). This study evaluated whether JAK inhibition with tofacitinib modulated the key disease associated cytokines, TNF and IL-17A, and whether tofacitinib also modulated bone marrow stromal cell-derived mesenchymal stem cell (MSCs) function, including osteogenesis, since post inflammation new bone formation occurs under these conditions. Methods: Conventional entheseal derived αβ CD4+ and CD8+ T-cells were investigated following anti-CD3/CD28 bead stimulation to determine IL-17A and TNF levels in tofacitinib treated (1000 nM) peri-entheseal bone (PEB) and peripheral blood mononuclear cells (PBMC) using ELISA. Bone marrow stromal cell-derived mesenchymal stem cell (MSC) colony forming units (CFU-F) and multi-lineage potential were evaluated using tofacitinib (dosages ranging between 100, 500, 1000 and 10,000 nM). Results: Induced IL-17A and TNF cytokine production from both entheseal CD4+ T-cells and CD8+ T-cells was effectively inhibited by tofacitinib. Tofacitinib treatment did not impact on CFU-F potential or in vitro chondro- and osteogenesis. However, tofacitinib stimulation increased MSC adipogenic potential with greater Oil Red O stained areas. Conclusion: Inducible IL-17A and TNF production by healthy human entheseal CD4+ and CD8+ T-cells was robustly inhibited in vitro by tofacitinib. However, tofacitinib did not impact MSC osteogenesis, but stimulated in vitro MSC adipogenesis, the relevance of which needs further evaluation given that the adipocytes are associated with new bone formation in SpA.
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18
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Tan S, Fang W, Vangsness CT, Han B. Influence of Cellular Microenvironment on Human Articular Chondrocyte Cell Signaling. Cartilage 2021; 13:935S-946S. [PMID: 32672057 PMCID: PMC8804849 DOI: 10.1177/1947603520941219] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE Alteration of the cellular microenvironment may influence the intra- and intercellular communication and contribute to cartilage injury and repair. The purpose of this study was to investigate how matrix elasticity/stiffness affects chondrogenic activities, including cell survival, phenotypic expression, and the release of both pro- and anti-inflammatory cytokines. DESIGN Human articular chondrocytes (HACs) cultured on traditional 2-dimensional (2D) plastic surfaces were compared with those cultured within 3D hydrogel matrices of varying stiffness. Chondrogenic proliferation, differentiation, and the expression of pro- and anti-inflammatory cytokines were evaluated. Both interleukin-1-beta (IL-1β) and human synovial fluid-derived cells (hSFCs) were introduced to study the effects of matrix stiffness on chondrocyte response. RESULTS Cells demonstrated the most robust chondrogenic differentiation and secreted the least pro-inflammatory cytokines when the matrix stiffness was close to their native microenvironment. The IL-1β effects were attenuated when HACs were co-cultured with hSFCs. CONCLUSION Modifying the matrix stiffness to mimic the native cartilage microenvironment not only optimized chondrogenic expression but also was essential for the regulation of physiological homeostasis. This study proposed a new toolkit to study cell-molecule, cell-cell, and cell-matrix influence on cartilage physiology.
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Affiliation(s)
- ShihJye Tan
- Department of Surgery and Biomedical
Engineering, Keck School of Medicine, Uuniversity of Southern California, Los
Angeles, CA, USA
| | - William Fang
- Department of Orthopaedic Surgery, Keck
School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - C. Thomas Vangsness
- Department of Orthopaedic Surgery, Keck
School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Bo Han
- Department of Surgery and Biomedical
Engineering, Keck School of Medicine, Uuniversity of Southern California, Los
Angeles, CA, USA,Bo Han, Department of Surgery and Biomedical
Engineering, Keck School of Medicine, University of Southern California, 1333
San Pablo Street, BMT 302A, Los Angeles, CA 90089-9112, USA.
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19
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Ribitsch I, Bileck A, Egerbacher M, Gabner S, Mayer RL, Janker L, Gerner C, Jenner F. Fetal Immunomodulatory Environment Following Cartilage Injury-The Key to CARTILAGE Regeneration? Int J Mol Sci 2021; 22:ijms222312969. [PMID: 34884768 PMCID: PMC8657887 DOI: 10.3390/ijms222312969] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/27/2021] [Accepted: 11/28/2021] [Indexed: 01/15/2023] Open
Abstract
Fetal cartilage fully regenerates following injury, while in adult mammals cartilage injury leads to osteoarthritis (OA). Thus, in this study, we compared the in vivo injury response of fetal and adult ovine articular cartilage histologically and proteomically to identify key factors of fetal regeneration. In addition, we compared the secretome of fetal ovine mesenchymal stem cells (MSCs) in vitro with injured fetal cartilage to identify potential MSC-derived therapeutic factors. Cartilage injury caused massive cellular changes in the synovial membrane, with macrophages dominating the fetal, and neutrophils the adult, synovial cellular infiltrate. Correspondingly, proteomics revealed differential regulation of pro- and anti-inflammatory mediators and growth-factors between adult and fetal joints. Neutrophil-related proteins and acute phase proteins were the two major upregulated protein groups in adult compared to fetal cartilage following injury. In contrast, several immunomodulating proteins and growth factors were expressed significantly higher in the fetus than the adult. Comparison of the in vitro MSCs proteome with the in vivo fetal regenerative signature revealed shared upregulation of 17 proteins, suggesting their therapeutic potential. Biomimicry of the fetal paracrine signature to reprogram macrophages and modulate inflammation could be an important future research direction for developing novel therapeutics.
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Affiliation(s)
- Iris Ribitsch
- VETERM, Equine Surgery Unit, Department of Companion Animals and Horses, University of Veterinary Medicine Vienna, 1210 Vienna, Austria;
| | - Andrea Bileck
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; (A.B.); (R.L.M.); (L.J.)
| | - Monika Egerbacher
- Administrative Unit Veterinary Medicine, UMIT—Private University for Health Sciences, Medical Informatics and Technology GmbH, 6060 Hall in Tirol, Austria;
| | - Simone Gabner
- Histology & Embryology, Department of Pathobiology, University of Veterinary Medicine, 1210 Vienna, Austria;
| | - Rupert L. Mayer
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; (A.B.); (R.L.M.); (L.J.)
| | - Lukas Janker
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; (A.B.); (R.L.M.); (L.J.)
| | - Christopher Gerner
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, 1090 Vienna, Austria; (A.B.); (R.L.M.); (L.J.)
- Correspondence: (C.G.); (F.J.)
| | - Florien Jenner
- VETERM, Equine Surgery Unit, Department of Companion Animals and Horses, University of Veterinary Medicine Vienna, 1210 Vienna, Austria;
- Correspondence: (C.G.); (F.J.)
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Fang W, Sun Z, Chen X, Han B, Vangsness CT. Synovial Fluid Mesenchymal Stem Cells for Knee Arthritis and Cartilage Defects: A Review of the Literature. J Knee Surg 2021; 34:1476-1485. [PMID: 32403148 DOI: 10.1055/s-0040-1710366] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mesenchymal stem cells (MSCs) are adult stem cells that have the ability to self-renew and differentiate into several cell lineages including adipocytes, chondrocytes, tenocytes, bones, and myoblasts. These properties make the cell a promising candidate for regenerative medicine applications, especially when dealing with sports injuries in the knee. MSCs can be isolated from almost every type of adult tissue. However, most of the current research focuses on MSCs derived from bone marrow, adipose, and placenta derived products. Synovial fluid-derived MSCs (SF-MSCs) are relatively overlooked but have demonstrated promising therapeutic properties including possessing higher chondrogenic proliferation capabilities than other types of MSCs. Interestingly, SF-MSC population has shown to increase exponentially in patients with joint injury or disease, pointing to a potential use as a biomarker or as a treatment of some orthopaedic disorders. In this review, we go over the current literature on synovial fluid-derived MSCs including the characterization, the animal studies, and discuss future perspectives.
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Affiliation(s)
- William Fang
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - ZhiTao Sun
- Department of Medicine, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, Guangzhou, China
| | - Xiao Chen
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Bo Han
- Department of Surgery, USC Keck School of Medicine, Los Angeles, California
| | - C Thomas Vangsness
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, Los Angeles, California
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21
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Jalali Jivan S, Monzavi SM, Zargaran B, Hamidi Alamdari D, Tavakol Afshari J, Etemad-Rezaie A, Asadi Sakhmaresi T, Shariati-Sarabi Z. Comparative Analysis of the Effectiveness of Intra-Articular Injection of Platelet-Rich Plasma versus Hyaluronic Acid for Knee Osteoarthritis: Results of an Open-Label Trial. THE ARCHIVES OF BONE AND JOINT SURGERY 2021; 9:487-495. [PMID: 34692930 DOI: 10.22038/abjs.2021.52003.2569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 02/13/2021] [Indexed: 11/09/2022]
Abstract
Background Platelet-rich plasma (PRP), an autologous source of growth factors, and hyaluronic acid (HA) are among the minimally invasive treatments for knee osteoarthritis (OA). This trial was designed to compare the effectiveness of intra-articular injection of PRP with HA (as one of the standard treatments) on mild to moderate knee OA. Methods In this phase I open-label clinical trial, 10 patients underwent intra-articular PRP injection and 10 others received HA injection. At baseline (pre-injection) visit and 1, 3, 6, and 12 months post-injection, clinical assessments were performed using visual analogue scale (VAS) and Knee injury and Osteoarthritis Outcome Score (KOOS) questionnaire. Physical examinations of the knee, including crepitation and range of motion (ROM) were performed at each visit. The follow-up responses were compared with the baseline visit. Results The PRP treatment was ascertained to be safe and caused no adverse effects. Significant improvements in the majority of KOOS subscales and VAS were found throughout the entire 12-month follow-up, following the PRP injections. HA injection, however, caused only one month significant improvement in the majority of patient-reported outcomes. In the majority of visits, the extent of improvements in the scores of KOOS subscales, as well as the extent of reduction in VAS were significantly greater in PRP recipients, compared to HA recipients. The ROM in both groups slightly increased after interventions. The frequency of coarse crepitation, which was detected in 100% of the patients in both groups at the baseline visit, decreased significantly to fine crepitation at the first follow-up visit in 80% and 40% of the PRP and HA recipients, respectively. Conclusion Intra-articular injection of PRP or HA alleviates symptoms and pain and improves functionality and physical examinations in patients with knee OA. However, PRP therapy produces greater and longer-lasting improvements in most of the outcome parameters compared to HA.
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Affiliation(s)
- Sara Jalali Jivan
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Rheumatology Division, Department of Internal Medicine, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran.,These authors contributed equally to this work
| | - Seyed Mostafa Monzavi
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,These authors contributed equally to this work
| | - Bita Zargaran
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Daryoush Hamidi Alamdari
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Clinical Biochemistry, Biochemistry and Nutrition Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jalil Tavakol Afshari
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Etemad-Rezaie
- Division of Orthopaedic Surgery, Department of Surgery, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Tayebeh Asadi Sakhmaresi
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Internal Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Golestan Rheumatology Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Zhaleh Shariati-Sarabi
- Center of Excellence for Stem Cell Research and Regenerative Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Internal Medicine, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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22
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Tucker JD, Goetz LL, Duncan MB, Gilman JB, Elmore LW, Sell SA, McClure MJ, Quagliano PV, Martin CC. Randomized, Placebo-Controlled Analysis of the Knee Synovial Environment Following Platelet-Rich Plasma Treatment for Knee Osteoarthritis. PM R 2021; 13:707-719. [PMID: 33492733 DOI: 10.1002/pmrj.12561] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 12/24/2020] [Accepted: 01/05/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND Platelet-rich-plasma (PRP) is used to treat knee osteoarthritis; however, mechanistic evidence of PRP effectiveness for pain relief is limited. OBJECTIVE To assess molecular biomarkers and mesenchymal stem cells (MSCs) in synovial fluid during PRP treatment of the osteoarthritic knee joint. DESIGN Single blinded, randomized, placebo controlled pilot study. SETTING Veterans Affairs Medical Center. PARTICIPANTS Seventeen participants with mild to moderate knee osteoarthritis were randomized in a 2:1 placebo-controlled ratio, receiving PRP or saline (placebo) intra-articular injection into the knee joint. METHODS Knee synovial fluid was analyzed before the respective injections and again 10 days following injection. Participants were followed up to 12 months completing visual analog scale (VAS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaires at intervals over that period. MAIN OUTCOME MEASURES The effects of PRP on synovial protein and MSC gene expression levels were measured by multiplex enzyme-linked immunosorbent assay and quantitative polymerase chain reaction. RESULTS Novel biomarkers including levels of interleukin (IL)-5, IL-6, IL-10, and tumor necrosis factor-α were measured in synovial fluid 10 days after PRP treatment. Altered gene expression profiles in MSCs from patients treated with PRP were observed for matrix metalloproteinases and inflammatory markers (IL-6, IL-8, CCL2, TNF-α). A2M protease was significantly increased following PRP treatment (P = .005). WOMAC scores declined for up to 3 months from baseline levels and remained low at 6 and 12 months in the PRP group. In contrast, WOMAC scores for patients receiving the saline injection were relatively unchanged for up to 12 months. CONCLUSIONS We report significant changes for the biomarker A2M (P = .005) as well as differences in expression of cellular markers and postulate that PRP modulates the local knee synovial environment by altering the inflammatory milieu, matrix degradation, and angiogenic growth factors. The PRP treatment group had less pain and stiffness and improved function scores.
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Affiliation(s)
- Jason D Tucker
- iOrthoBiologix, Charlotte, NC.,Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University Health System, Richmond, VA
| | - Lance L Goetz
- Spinal Cord Injury and Disorders Service, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
| | | | - Jared B Gilman
- Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University Health System, Richmond, VA
| | | | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO
| | - Michael J McClure
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA
| | - Peter V Quagliano
- Department of Radiology, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
| | - Caroline C Martin
- Department or Pathology, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
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23
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Son YB, Jeong YI, Jeong YW, Hossein MS, Olsson PO, Tinson A, Singh KK, Lee SY, Hwang WS. Cell Source-Dependent In Vitro Chondrogenic Differentiation Potential of Mesenchymal Stem Cell Established from Bone Marrow and Synovial Fluid of Camelus dromedarius. Animals (Basel) 2021; 11:ani11071918. [PMID: 34203207 PMCID: PMC8300404 DOI: 10.3390/ani11071918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 01/15/2023] Open
Abstract
Simple Summary This is the first study to demonstrate the establishment and subsequent analysis of attributes, including the chondrogenic capacity of mesenchymal stem cells (MSCs) from bone marrow (BM) and synovial fluid (SF) from the same donor Camelus dromedarius. MSCs of SF origin were notably more efficient in their chondrogenic capacity and represent a potential source for camel regenerative medicine addressing chondrocyte-related problems. Abstract Mesenchymal stem cells (MSCs) are promising multipotent cells with applications for cartilage tissue regeneration in stem cell-based therapies. In cartilage regeneration, both bone marrow (BM-MSCs) and synovial fluid (SF-MSCs) are valuable sources. However, the cellular characteristics and chondrocyte differentiation potential were not reported in either of the camel stem cells. The in vitro chondrocyte differentiation competence of MSCs, from (BM and SF) sources of the same Camelus dromedaries (camel) donor, was determined. Both MSCs were evaluated on pluripotent markers and proliferation capacity. After passage three, both MSCs showed fibroblast-like morphology. The proliferation capacity was significantly increased in SF-MSCs compared to BM-MSCs. Furthermore, SF-MSCs showed an enhanced expression of transcription factors than BM-MSCs. SF-MSCs exhibited lower differentiation potential toward adipocytes than BM-MSCs. However, the osteoblast differentiation potential was similar in MSCs from both sources. Chondrogenic pellets obtained from SF-MSCs revealed higher levels of chondrocyte-specific markers than those from BM-MSCs. Additionally, glycosaminoglycan (GAG) content was elevated in SF-MSCs related to BM-MSCs. This is, to our knowledge, the first study to establish BM-MSCs and SF-MSCs from the same donor and to demonstrate in vitro differentiation potential into chondrocytes in camels.
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Affiliation(s)
- Young-Bum Son
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
| | - Yeon Ik Jeong
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
| | - Yeon Woo Jeong
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
| | - Mohammad Shamim Hossein
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
| | - Per Olof Olsson
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
| | - Alex Tinson
- Hilli E.T. Cloning and Surgical Centre Presidential Camels and Camel Racing Affairs, Al-Ain 17292, United Arab Emirates; (A.T.); (K.K.S.)
| | - Kuhad Kuldip Singh
- Hilli E.T. Cloning and Surgical Centre Presidential Camels and Camel Racing Affairs, Al-Ain 17292, United Arab Emirates; (A.T.); (K.K.S.)
| | - Sang-Yun Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine and Research Institute of Life Science, Gyeongsang National University, Jinju 52828, Korea;
| | - Woo Suk Hwang
- UAE Biotech Research Center, Abu Dhabi 30310, United Arab Emirates; (Y.-B.S.); (Y.I.J.); (Y.W.J.); (M.S.H.); (P.O.O.)
- Correspondence:
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24
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Osteocyte Dysfunction in Joint Homeostasis and Osteoarthritis. Int J Mol Sci 2021; 22:ijms22126522. [PMID: 34204587 PMCID: PMC8233862 DOI: 10.3390/ijms22126522] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/13/2021] [Accepted: 06/16/2021] [Indexed: 01/29/2023] Open
Abstract
Structural disturbances of the subchondral bone are a hallmark of osteoarthritis (OA), including sclerotic changes, cystic lesions, and osteophyte formation. Osteocytes act as mechanosensory units for the micro-cracks in response to mechanical loading. Once stimulated, osteocytes initiate the reparative process by recruiting bone-resorbing cells and bone-forming cells to maintain bone homeostasis. Osteocyte-expressed sclerostin is known as a negative regulator of bone formation through Wnt signaling and the RANKL pathway. In this review, we will summarize current understandings of osteocytes at the crossroad of allometry and mechanobiology to exploit the relationship between osteocyte morphology and function in the context of joint aging and osteoarthritis. We also aimed to summarize the osteocyte dysfunction and its link with structural and functional disturbances of the osteoarthritic subchondral bone at the molecular level. Compared with normal bones, the osteoarthritic subchondral bone is characterized by a higher bone volume fraction, a larger trabecular bone number in the load-bearing region, and an increase in thickness of pre-existing trabeculae. This may relate to the aberrant expressions of sclerostin, periostin, dentin matrix protein 1, matrix extracellular phosphoglycoprotein, insulin-like growth factor 1, and transforming growth factor-beta, among others. The number of osteocyte lacunae embedded in OA bone is also significantly higher, yet the volume of individual lacuna is relatively smaller, which could suggest abnormal metabolism in association with allometry. The remarkably lower percentage of sclerostin-positive osteocytes, together with clustering of Runx-2 positive pre-osteoblasts, may suggest altered regulation of osteoblast differentiation and osteoblast-osteocyte transformation affected by both signaling molecules and the extracellular matrix. Aberrant osteocyte morphology and function, along with anomalies in molecular signaling mechanisms, might explain in part, if not all, the pre-osteoblast clustering and the uncoupled bone remodeling in OA subchondral bone.
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25
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Hu H, Liu W, Sun C, Wang Q, Yang W, Zhang Z, Xia Z, Shao Z, Wang B. Endogenous Repair and Regeneration of Injured Articular Cartilage: A Challenging but Promising Therapeutic Strategy. Aging Dis 2021; 12:886-901. [PMID: 34094649 PMCID: PMC8139200 DOI: 10.14336/ad.2020.0902] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/02/2020] [Indexed: 12/12/2022] Open
Abstract
Articular cartilage (AC) has a very limited intrinsic repair capacity after injury or disease. Although exogenous cell-based regenerative approaches have obtained acceptable outcomes, they are usually associated with complicated procedures, donor-site morbidities and cell differentiation during ex vivo expansion. In recent years, endogenous regenerative strategy by recruiting resident mesenchymal stem/progenitor cells (MSPCs) into the injured sites, as a promising alternative, has gained considerable attention. It takes full advantage of body's own regenerative potential to repair and regenerate injured tissue while avoiding exogenous regenerative approach-associated limitations. Like most tissues, there are also multiple stem-cell niches in AC and its surrounding tissues. These MSPCs have the potential to migrate into injured sites to produce replacement cells under appropriate stimuli. Traditional microfracture procedure employs the concept of MSPCs recruitment usually fails to regenerate normal hyaline cartilage. The reasons for this failure might be attributed to an inadequate number of recruiting cells and adverse local tissue microenvironment after cartilage injury. A strategy that effectively improves local matrix microenvironment and recruits resident MSPCs may enhance the success of endogenous AC regeneration (EACR). In this review, we focused on the reasons why AC cannot regenerate itself in spite of potential self-repair capacity and summarized the latest developments of the three key components in the field of EACR. In addition, we discussed the challenges facing in the present EACR strategy. This review will provide an increasing understanding of EACR and attract more researchers to participate in this promising research arena.
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Affiliation(s)
- Hongzhi Hu
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Weijian Liu
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Caixia Sun
- 2Department of Gynecology, General Hospital of the Yangtze River Shipping, Wuhan 430022, China
| | - Qiuyuan Wang
- 3Department of Nephrology, Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441100, China
| | - Wenbo Yang
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - ZhiCai Zhang
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhidao Xia
- 4Centre for Nanohealth, ILS2, Swansea university Medical school, Swansea, SA2 8PP, UK
| | - Zengwu Shao
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Baichuan Wang
- 1Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.,4Centre for Nanohealth, ILS2, Swansea university Medical school, Swansea, SA2 8PP, UK
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26
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Hernigou J, Vertongen P, Rasschaert J, Hernigou P. Role of Scaffolds, Subchondral, Intra-Articular Injections of Fresh Autologous Bone Marrow Concentrate Regenerative Cells in Treating Human Knee Cartilage Lesions: Different Approaches and Different Results. Int J Mol Sci 2021; 22:ijms22083844. [PMID: 33917689 PMCID: PMC8068069 DOI: 10.3390/ijms22083844] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/02/2021] [Accepted: 04/07/2021] [Indexed: 01/29/2023] Open
Abstract
The value of bone marrow aspirate concentrates for treatment of human knee cartilage lesions is unclear. Most of the studies were performed with intra-articular injections. However, subchondral bone plays an important role in the progression of osteoarthritis. We investigated by a literature review whether joint, subchondral bone, or/and scaffolds implantation of fresh autologous bone marrow aspirate concentrated (BMAC) containing mesenchymal stem cells (MSCs) would improve osteoarthritis (OA). There is in vivo evidence that suggests that all these different approaches (intra-articular injections, subchondral implantation, scaffolds loaded with BMAC) can improve the patient. This review analyzes the evidence for each different approach to treat OA. We found that the use of intra-articular injections resulted in a significant relief of pain symptoms in the short term and was maintained in 12 months. However, the clinical trials indicate that the application of autologous bone marrow concentrates in combination with scaffolds or in injection in the subchondral bone was superior to intra-articular injection for long-term results. The tendency of MSCs to differentiate into fibrocartilage affecting the outcome was a common issue faced by all the studies when biopsies were performed, except for scaffolds implantation in which some hyaline cartilage was found. The review suggests also that both implantation of subchondral BMAC and scaffolds loaded with BMAC could reduce the need for further surgery.
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Affiliation(s)
- Jacques Hernigou
- Department of Orthopedic Surgery, EpiCURA Hospital, 7331 Baudour, Belgium;
- Laboratory of Bone and Metabolic Biochemistry, Faculty of Medecine, Université Libre de Bruxelles, 1070 Brussels, Belgium; (P.V.); (J.R.)
| | - Pascale Vertongen
- Laboratory of Bone and Metabolic Biochemistry, Faculty of Medecine, Université Libre de Bruxelles, 1070 Brussels, Belgium; (P.V.); (J.R.)
| | - Joanne Rasschaert
- Laboratory of Bone and Metabolic Biochemistry, Faculty of Medecine, Université Libre de Bruxelles, 1070 Brussels, Belgium; (P.V.); (J.R.)
| | - Philippe Hernigou
- Department of Orthopaedic Surgery, Faculty of Medicine, UPEC (University Paris-Est, Créteil), 94000 Créteil, France
- Correspondence:
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27
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Zhao Y, Xie L. An Update on Mesenchymal Stem Cell-Centered Therapies in Temporomandibular Joint Osteoarthritis. Stem Cells Int 2021; 2021:6619527. [PMID: 33868408 PMCID: PMC8035039 DOI: 10.1155/2021/6619527] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/20/2021] [Accepted: 03/19/2021] [Indexed: 02/05/2023] Open
Abstract
Temporomandibular joint osteoarthritis (TMJOA) is a degenerative disease characterized by cartilage degeneration, disrupted subchondral bone remodeling, and synovitis, seriously affecting the quality of life of patients with chronic pain and functional disabilities. Current treatments for TMJOA are mainly symptomatic therapies without reliable long-term efficacy, due to the limited self-renewal capability of the condyle and the poorly elucidated pathogenesis of TMJOA. Recently, there has been increased interest in cellular therapies for osteoarthritis and TMJ regeneration. Mesenchymal stem cells (MSCs), self-renewing and multipotent progenitor cells, play a promising role in TMJOA treatment. Derived from a variety of tissues, MSCs exert therapeutic effects through diverse mechanisms, including chondrogenic differentiation; fibrocartilage regeneration; and trophic, immunomodulatory, and anti-inflammatory effects. Here, we provide an overview of the therapeutic roles of various tissue-specific MSCs in osteoarthritic TMJ or TMJ regenerative tissue engineering, with an additional focus on joint-resident stem cells and other cellular therapies, such as exosomes and adipose-derived stromal vascular fraction (SVF). Additionally, we summarized the updated pathogenesis of TMJOA to provide a better understanding of the pathological mechanisms of cellular therapies. Although limitations exist, MSC-centered therapies still provide novel, innovative approaches for TMJOA treatment.
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Affiliation(s)
- Yifan Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Liang Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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28
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Sousa EBD, Moura Neto V, Aguiar DP. BMP-4, TGF-β e Smad3 como moduladores da viabilidade das células do líquido sinovial. Rev Bras Ortop 2021; 57:314-320. [PMID: 35652012 PMCID: PMC9142237 DOI: 10.1055/s-0041-1724076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 09/16/2020] [Indexed: 11/24/2022] Open
Abstract
Objective
Our goal was to evaluate the modulation of the synovial fluid cells (SFC) from patients with and without osteoarthritis (OA) by bone morphogenetic protein 4 (BMP-4), Smad-3 and
transforming growth factor beta
(TGF-β).
Methods
Synovial fluid was collected from patients submitted to knee arthroscopy or replacement and were centrifuged to isolate cells from the fluid. Cells were cultured for 21 days and characterized as mesenchymal stem cells (MSCs) according to the criteria of the International Society of Cell Therapy. Then, we performed an [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay (MTT) assay after exposing cells with and without OA to TGF-β, Smad3 and BMP-4 pathway inhibitors and to different concentrations of BMP4.
Results
Exposure to the TGF-β, Smad3 and BMP-4 inhibitors modifies the mitochondrial activity of the SFCs. The activity of the SFCs is modified by influences of increasing concentrations of BMP4, but there is no difference in cellular activity between patients with and without OA.
Conclusion
TGF-β, Smad3 and BMP-4 modulate the activity of SFCs from patients with and without knee OA.
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Affiliation(s)
- Eduardo Branco de Sousa
- Divisão de Ensino e Pesquisa, Instituto Nacional de Ortopedia e Traumatologia Jamil Haddad, Rio de Janeiro, RJ, Brasil
| | - Vivaldo Moura Neto
- Laboratório de Biologia Celular e do Desenvolvimento, Instituto de Ciências Biomédicas, Rio de Janeiro, RJ, Brasil
| | - Diego Pinheiro Aguiar
- Laboratório de Biomodelos e Protótipos, Universidade Estadual da Zona Oeste, Rio de Janeiro, RJ, Brasil
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29
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Zhang X, Wu S, Zhu Y, Chu CQ. Exploiting Joint-Resident Stem Cells by Exogenous SOX9 for Cartilage Regeneration for Therapy of Osteoarthritis. Front Med (Lausanne) 2021; 8:622609. [PMID: 33681252 PMCID: PMC7928416 DOI: 10.3389/fmed.2021.622609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/20/2021] [Indexed: 12/27/2022] Open
Abstract
The lack of effective treatment options for osteoarthritis (OA) is mostly due to the very limited regenerative capacity of articular cartilage. Mesenchymal stem cells (MSCs) have been most extensively explored for cell-based therapy to induce cartilage regeneration for OA. However, current in vitro expanded MSC-based approaches have significant drawbacks. On the other hand, osteoarthritic joints contain chondrocyte progenitors and MSCs in several niches which have the potential yet fail to differentiate into chondrocytes for cartilage regeneration. One of the underlying mechanisms of the failure is that these chondrocyte progenitors and MSCs in OA joints are deficient in the activity of chondrogenic transcription factor SOX9 (SRY-type high-mobility group box-9). Thereby, replenishing with exogenous SOX9 would reactivate the potential of these stem cells to differentiate into chondrocytes. Cell-permeable, super-positively charged SOX9 (scSOX9) protein is able to promote hyaline-like cartilage regeneration by inducing chondrogenic differentiation of bone marrow derived MSCs in vivo. This scSOX9 protein can be administered into osteoarthritic joints by intra-articular injection. This one-step, cell-free supplement of exogenous SOX9 may harness the regenerative potential of the intrinsic MSCs within the joint cavity to stimulate cartilage regeneration in OA.
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Affiliation(s)
- Xiaowei Zhang
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR, United States.,Section of Rheumatology, VA Portland Health Care System, Portland, OR, United States
| | - Shili Wu
- Vivoscript, Inc., Irvine, CA, United States
| | - Yong Zhu
- Vivoscript, Inc., Irvine, CA, United States
| | - Cong-Qiu Chu
- Division of Arthritis and Rheumatic Diseases, Oregon Health & Science University, Portland, OR, United States.,Section of Rheumatology, VA Portland Health Care System, Portland, OR, United States
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30
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Kouroupis D, Correa D. Increased Mesenchymal Stem Cell Functionalization in Three-Dimensional Manufacturing Settings for Enhanced Therapeutic Applications. Front Bioeng Biotechnol 2021; 9:621748. [PMID: 33644016 PMCID: PMC7907607 DOI: 10.3389/fbioe.2021.621748] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 01/07/2021] [Indexed: 12/23/2022] Open
Abstract
Mesenchymal stem/stromal cell (MSC) exist within their in vivo niches as part of heterogeneous cell populations, exhibiting variable stemness potential and supportive functionalities. Conventional extensive 2D in vitro MSC expansion, aimed at obtaining clinically relevant therapeutic cell numbers, results in detrimental effects on both cellular characteristics (e.g., phenotypic changes and senescence) and functions (e.g., differentiation capacity and immunomodulatory effects). These deleterious effects, added to the inherent inter-donor variability, negatively affect the standardization and reproducibility of MSC therapeutic potential. The resulting manufacturing challenges that drive the qualitative variability of MSC-based products is evident in various clinical trials where MSC therapeutic efficacy is moderate or, in some cases, totally insufficient. To circumvent these limitations, various in vitro/ex vivo techniques have been applied to manufacturing protocols to induce specific features, attributes, and functions in expanding cells. Exposure to inflammatory cues (cell priming) is one of them, however, with untoward effects such as transient expression of HLA-DR preventing allogeneic therapeutic schemes. MSC functionalization can be also achieved by in vitro 3D culturing techniques, in an effort to more closely recapitulate the in vivo MSC niche. The resulting spheroid structures provide spatial cell organization with increased cell–cell interactions, stable, or even enhanced phenotypic profiles, and increased trophic and immunomodulatory functionalities. In that context, MSC 3D spheroids have shown enhanced “medicinal signaling” activities and increased homing and survival capacities upon transplantation in vivo. Importantly, MSC spheroids have been applied in various preclinical animal models including wound healing, bone and osteochondral defects, and cardiovascular diseases showing safety and efficacy in vivo. Therefore, the incorporation of 3D MSC culturing approach into cell-based therapy would significantly impact the field, as more reproducible clinical outcomes may be achieved without requiring ex vivo stimulatory regimes. In the present review, we discuss the MSC functionalization in 3D settings and how this strategy can contribute to an improved MSC-based product for safer and more effective therapeutic applications.
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Affiliation(s)
- Dimitrios Kouroupis
- Department of Orthopedics, UHealth Sports Medicine Institute, University of Miami, Miller School of Medicine, Miami, FL, United States.,Diabetes Research Institute & Cell Transplantation Center, University of Miami, Miller School of Medicine, Miami, FL, United States
| | - Diego Correa
- Department of Orthopedics, UHealth Sports Medicine Institute, University of Miami, Miller School of Medicine, Miami, FL, United States.,Diabetes Research Institute & Cell Transplantation Center, University of Miami, Miller School of Medicine, Miami, FL, United States
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31
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Zhai W, Tan J, Russell T, Chen S, McGonagle D, Win Naing M, Yong D, Jones E. Multi-pronged approach to human mesenchymal stromal cells senescence quantification with a focus on label-free methods. Sci Rep 2021; 11:1054. [PMID: 33441693 PMCID: PMC7807049 DOI: 10.1038/s41598-020-79831-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/07/2020] [Indexed: 12/27/2022] Open
Abstract
Human mesenchymal stromal cells (hMSCs) have demonstrated, in various preclinical settings, consistent ability in promoting tissue healing and improving outcomes in animal disease models. However, translation from the preclinical model into clinical practice has proven to be considerably more difficult. One key challenge being the inability to perform in situ assessment of the hMSCs in continuous culture, where the accumulation of the senescent cells impairs the culture’s viability, differentiation potential and ultimately leads to reduced therapeutic efficacies. Histochemical \documentclass[12pt]{minimal}
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\begin{document}$$\upbeta $$\end{document}β-galactosidase staining is the current standard for measuring hMSC senescence, but this method is destructive and not label-free. In this study, we have investigated alternatives in quantification of hMSCs senescence, which included flow cytometry methods that are based on a combination of cell size measurements and fluorescence detection of SA-\documentclass[12pt]{minimal}
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\begin{document}$${_{12}}$$\end{document}12FDG; and autofluorescence methods that measure fluorescence output from endogenous fluorophores including lipopigments. For identification of senescent cells in the hMSC batches produced, the non-destructive and label-free methods could be a better way forward as they involve minimum manipulations of the cells of interest, increasing the final output of the therapeutic-grade hMSC cultures. In this work, we have grown hMSC cultures over a period of 7 months and compared early and senescent hMSC passages using the advanced flow cytometry and autofluorescence methods, which were benchmarked with the current standard in \documentclass[12pt]{minimal}
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\begin{document}$$\upbeta $$\end{document}β-galactosidase staining. Both the advanced methods demonstrated statistically significant values, (r = 0.76, p \documentclass[12pt]{minimal}
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\begin{document}$$\le $$\end{document}≤ 0.05 for the forward scatter method), and good fold difference ranges (1.120–4.436 for total autofluorescence mean and 1.082–6.362 for lipopigment autofluorescence mean) between early and senescent passage hMSCs. Our autofluroescence imaging and spectra decomposition platform offers additional benefit in label-free characterisation of senescent hMSC cells and could be further developed for adoption for future in situ cellular senescence evaluation by the cell manufacturers.
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Affiliation(s)
- Weichao Zhai
- Bioprocessing Technology Institute, A*STAR, 20 Biopolis Way, Centros, 06-01, Singapore
| | - Jerome Tan
- Bioprocessing Technology Institute, A*STAR, 20 Biopolis Way, Centros, 06-01, Singapore
| | - Tobias Russell
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | - Sixun Chen
- Bioprocessing Technology Institute, A*STAR, 20 Biopolis Way, Centros, 06-01, Singapore
| | - Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK
| | - May Win Naing
- Bioprocessing Technology Institute, A*STAR, 20 Biopolis Way, Centros, 06-01, Singapore.,Singapore Institute of Manufacturing Technology, A*STAR, 2 Fusionopolis Way, Innovis, 08-04, Singapore
| | - Derrick Yong
- Singapore Institute of Manufacturing Technology, A*STAR, 2 Fusionopolis Way, Innovis, 08-04, Singapore.
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, UK.
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Jones WG, El-Jawhari JJ, Brockett CL, Koria L, Ktistakis I, Jones E. Multipotential stromal cells in the talus and distal tibia in ankle osteoarthritis - Presence, potency and relationships to subchondral bone changes. J Cell Mol Med 2020; 25:259-271. [PMID: 33305883 PMCID: PMC7810934 DOI: 10.1111/jcmm.15993] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/15/2020] [Accepted: 09/29/2020] [Indexed: 12/23/2022] Open
Abstract
A large proportion of ankle osteoarthritis (OA) has an early onset and is post‐traumatic. Surgical interventions have low patient satisfaction and relatively poor clinical outcome, whereas joint‐preserving treatments, which rely on endogenous multipotential stromal cells (MSCs), result in suboptimal repair. This study investigates MSC presence and potency in OA‐affected talocrural osteochondral tissue. Bone volume fraction (BV/TV) changes for the loading region trabecular volume and subchondral bone plate (SBP) thickness in OA compared with healthy tissue were investigated using microcomputed tomography. CD271‐positive MSC topography was related to bone and cartilage damage in OA tissue, and in vitro MSC potency was compared with control healthy iliac crest (IC) MSCs. A 1.3‐ to 2.5‐fold SBP thickening was found in both OA talus and tibia, whereas BV/TV changes were depth‐dependent. MSCs were abundant in OA talus and tibia, with similar colony characteristics. Tibial and talar MSCs were tripotential, but talar MSCs had 10‐fold lower adipogenesis and twofold higher chondrogenesis than IC MSCs (P = .01 for both). Cartilage damage in both OA tibia and talus correlated with SBP thickening and CD271+ MSCs was 1.4‐ to twofold more concentrated near the SBP. This work shows multipotential MSCs are present in OA talocrural subchondral bone, with their topography suggesting ongoing involvement in SBP thickening. Potentially, biomechanical stimulation could augment the chondrogenic differentiation of MSCs for joint‐preserving treatments.
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Affiliation(s)
- William G Jones
- Faculty of Medicine and Health, Leeds Institute of Rheumatoid and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,School of Mechanical Engineering, Institute of Medical and Biological Engineering, University of Leeds, Leeds, UK
| | - Jehan J El-Jawhari
- Faculty of Medicine and Health, Leeds Institute of Rheumatoid and Musculoskeletal Medicine, University of Leeds, Leeds, UK.,Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,Clinical Pathology Department, Mansoura University, Mansoura, Egypt
| | - C L Brockett
- School of Mechanical Engineering, Institute of Medical and Biological Engineering, University of Leeds, Leeds, UK
| | - Lekha Koria
- School of Mechanical Engineering, Institute of Medical and Biological Engineering, University of Leeds, Leeds, UK
| | | | - Elena Jones
- Faculty of Medicine and Health, Leeds Institute of Rheumatoid and Musculoskeletal Medicine, University of Leeds, Leeds, UK
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Basic Science of Resident Stem Cells. OPER TECHN SPORT MED 2020. [DOI: 10.1016/j.otsm.2020.150776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kangari P, Talaei-Khozani T, Razeghian-Jahromi I, Razmkhah M. Mesenchymal stem cells: amazing remedies for bone and cartilage defects. Stem Cell Res Ther 2020; 11:492. [PMID: 33225992 PMCID: PMC7681994 DOI: 10.1186/s13287-020-02001-1] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/27/2020] [Indexed: 12/15/2022] Open
Abstract
Skeletal disorders are among the leading debilitating factors affecting millions of people worldwide. The use of stem cells for tissue repair has raised many promises in various medical fields, including skeletal disorders. Mesenchymal stem cells (MSCs) are multipotent stromal cells with mesodermal and neural crest origin. These cells are one of the most attractive candidates in regenerative medicine, and their use could be helpful in repairing and regeneration of skeletal disorders through several mechanisms including homing, angiogenesis, differentiation, and response to inflammatory condition. The most widely studied sources of MSCs are bone marrow (BM), adipose tissue, muscle, umbilical cord (UC), umbilical cord blood (UCB), placenta (PL), Wharton's jelly (WJ), and amniotic fluid. These cells are capable of differentiating into osteoblasts, chondrocytes, adipocytes, and myocytes in vitro. MSCs obtained from various sources have diverse capabilities of secreting many different cytokines, growth factors, and chemokines. It is believed that the salutary effects of MSCs from different sources are not alike in terms of repairing or reformation of injured skeletal tissues. Accordingly, differential identification of MSCs' secretome enables us to make optimal choices in skeletal disorders considering various sources. This review discusses and compares the therapeutic abilities of MSCs from different sources for bone and cartilage diseases.
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Affiliation(s)
- Parisa Kangari
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Tahereh Talaei-Khozani
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Tissue Engineering Laboratory, Department of Anatomy, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Mahboobeh Razmkhah
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Shiraz Institute for Cancer Research, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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LOXL2 promotes aggrecan and gender-specific anabolic differences to TMJ cartilage. Sci Rep 2020; 10:20179. [PMID: 33214607 PMCID: PMC7678826 DOI: 10.1038/s41598-020-77178-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 11/05/2020] [Indexed: 12/24/2022] Open
Abstract
In the United States, 5–12% of adults have at least one symptom of temporomandibular joint (TMJ) disorders, including TMJ osteoarthritis (TMJ-OA). However, there is no chondroprotective agent that is approved for clinical application. We showed that LOXL2 is elevated in the regenerative response during fracture healing in mice and has a critical role in chondrogenic differentiation. Indeed, LOXL2 is an anabolic effector that attenuates pro-inflammatory signaling in OA cartilage of the TMJ and knee joint, induces chondroprotective and regenerative responses, and attenuates NF-kB signaling. The specific goal of the study was to evaluate if adenoviral delivery of LOXL2 is anabolic to human and mouse TMJ condylar cartilage in vivo and evaluate the protective and anabolic effect on cartilage-specific factors. We employed two different models to assess TMJ-OA. In one model, clinical TMJ-OA cartilage from 5 different samples in TMJ-OA cartilage plugs were implanted subcutaneously in nude mice. Adenovirus LOXL2 -treated implants showed higher mRNA levels of LOXL2, ACAN, and other anabolic genes compared to the adenovirus-Empty-treated implants. Further characterization by RNA-seq analysis showed LOXL2 promotes proteoglycan networks and extracellular matrix in human TMJ-OA cartilage implants in vivo. In order to evaluate if LOXL2-induced functional and sex-linked differences, both male and female four-month-old chondrodysplasia (Cho/+) mice, which develop progressive TMJ-OA due to a point mutation in the Col11a1 gene, were subjected to intraperitoneal injection with Adv-RFP-LOXL2 every 2 weeks for 12 weeks. The data showed that adenovirus delivery of LOXL2 upregulated LOXL2 and aggrecan (Acan), whereas MMP13 expression was slightly downregulated. The fold change expression of Acan and Runx2 induced by Adv-RFP-LOXL2 was higher in females compared to males. Interestingly, Adv-RFP-LOXL2 injection significantly increased Rankl expression in male but there was no change in females, whereas VegfB gene expression was increased in females, but not in males, as compared to those injected with Adv-RFP-Empty in respective groups. Our findings indicate that LOXL2 can induce specifically the expression of Acan and other anabolic genes in two preclinical models in vivo. Further, LOXL2 has beneficial functions in human TMJ-OA cartilage implants and promotes gender-specific anabolic responses in Cho/+ mice with progressive TMJ-OA, suggesting its merit for further study as an anabolic therapy for TMJ-OA.
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Sanjurjo-Rodriguez C, Altaie A, Mastbergen S, Baboolal T, Welting T, Lafeber F, Pandit H, McGonagle D, Jones E. Gene Expression Signatures of Synovial Fluid Multipotent Stromal Cells in Advanced Knee Osteoarthritis and Following Knee Joint Distraction. Front Bioeng Biotechnol 2020; 8:579751. [PMID: 33178674 PMCID: PMC7591809 DOI: 10.3389/fbioe.2020.579751] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/16/2020] [Indexed: 12/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common musculoskeletal disorder. Although joint replacement remains the standard of care for knee OA patients, knee joint distraction (KJD), which works by temporarily off-loading the joint for 6–8 weeks, is becoming a novel joint-sparing alternative for younger OA sufferers. The biological mechanisms behind KJD structural improvements remain poorly understood but likely involve joint-resident regenerative cells including multipotent stromal cells (MSCs). In this study, we hypothesized that KJD leads to beneficial cartilage-anabolic and anti-catabolic changes in joint-resident MSCs and investigated gene expression profiles of synovial fluid (SF) MSCs following KJD as compared with baseline. To obtain further insights into the effects of local biomechanics on MSCs present in late OA joints, SF MSC gene expression was studied in a separate OA arthroplasty cohort and compared with subchondral bone (SB) MSCs from medial (more loaded) and lateral (less loaded) femoral condyles from the same joints. In OA arthroplasty cohort (n = 12 patients), SF MSCs expressed lower levels of ossification- and hypotrophy-related genes [bone sialoprotein (IBSP), parathyroid hormone 1 receptor (PTH1R), and runt-related transcription factor 2 (RUNX2)] than did SB MSCs. Interestingly, SF MSCs expressed 5- to 50-fold higher levels of transcripts for classical extracellular matrix turnover molecules matrix metalloproteinase 1 (MMP1), a disintegrin and metalloproteinase with thrombospondin motifs 5 (ADAMTS5), and tissue inhibitor of metalloproteinase-3 (TIMP3), all (p < 0.05) potentially indicating greater cartilage remodeling ability of OA SF MSCs, compared with SB MSCs. In KJD cohort (n = 9 patients), joint off-loading resulted in sustained, significant increase in SF MSC colonies’ sizes and densities and a notable transcript upregulation of key cartilage core protein aggrecan (ACAN) (weeks 3 and 6), as well as reduction in pro-inflammatory C–C motif chemokine ligand 2 (CCL2) expression (weeks 3 and 6). Additionally, early KJD changes (week 3) were marked by significant increases in MSC chondrogenic commitment markers gremlin 1 (GREM1) and growth differentiation factor 5 (GDF5). In combination, our results reveal distinct transcriptomes on joint-resident MSCs from different biomechanical environments and show that 6-week joint off-loading leads to transcriptional changes in SF MSCs that may be beneficial for cartilage regeneration. Biomechanical factors should be certainly considered in the development of novel MSC-based therapies for OA.
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Affiliation(s)
- Clara Sanjurjo-Rodriguez
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom.,Physiotherapy, Medicine and Biomedical Sciences department, CIBER-BBN, Institute of Biomedical Research of A Coruña (INIBIC)-Centre of Advanced Scientific Researches (CICA), University of A Coruña, A Coruña, Spain
| | - Ala Altaie
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
| | - Simon Mastbergen
- University Medical Center Utrecht, Rheumatology & Clinical Immunology, Regenerative Medicine Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Thomas Baboolal
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
| | - Tim Welting
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Floris Lafeber
- University Medical Center Utrecht, Rheumatology & Clinical Immunology, Regenerative Medicine Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Hemant Pandit
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom.,NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds, United Kingdom
| | - Dennis McGonagle
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom.,NIHR Leeds Musculoskeletal Biomedical Research Centre, Leeds, United Kingdom
| | - Elena Jones
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
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Isolation and Characterization of Human Synovial Fluid-Derived Mesenchymal Stromal Cells from Popliteal Cyst. Stem Cells Int 2020; 2020:7416493. [PMID: 33014069 PMCID: PMC7519976 DOI: 10.1155/2020/7416493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 08/03/2020] [Accepted: 08/21/2020] [Indexed: 12/02/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are multipotent progenitor cells in adult tissues. The aim of this study is to isolate and identify synovial fluid-derived mesenchymal stromal cells (SF-MSCs) from the popliteal cyst fluid of pediatric patients. SF-MSCs were collected from the popliteal cyst fluid of pediatric patients during cystectomy surgery. After cyst fluid extraction and adherent culturing, in vitro morphology, growth curve, and cell cycle were observed. The expression of stem cell surface markers was analyzed by flow cytometry, and expression of cell marker protein was detected by immunofluorescence. SF-MSCs were cultured in osteogenic, adipogenic, and chondrogenic differentiation medium. The differentiation potential of SF-MSCs was analyzed by alkaline phosphatase (Alizarin Red), Oil Red O, and Alcian blue. Antibody detection of human angiogenesis-related proteins was performed compared with bone marrow mesenchymal stem cells (BM-MSCs). The results show that SF-MSCs from the popliteal cyst fluid of pediatric patients showed a shuttle appearance and logarithmic growth. Flow cytometry analysis revealed that SF-MSCs were negative for hematopoietic lineage markers (CD34, CD45) and positive for MSC markers (CD44, CD73, CD90, and CD105). Interstitial cell marker (vimentin) and myofibroblast-like cell marker alpha-smooth muscle actin (α-SMA) were positive. These cells could differentiate into osteogenic, adipogenic, and chondrogenic lineages, respectively. Several types of human angiogenesis-related proteins were detected in the cell secretory fluid. These results show that we successfully obtained SF-MSCs from the popliteal cyst fluid of pediatric patients, which have the potential to be a valuable source of MSCs.
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Yang Z, Li H, Yuan Z, Fu L, Jiang S, Gao C, Wang F, Zha K, Tian G, Sun Z, Huang B, Wei F, Cao F, Sui X, Peng J, Lu S, Guo W, Liu S, Guo Q. Endogenous cell recruitment strategy for articular cartilage regeneration. Acta Biomater 2020; 114:31-52. [PMID: 32652223 DOI: 10.1016/j.actbio.2020.07.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 07/02/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023]
Abstract
In the absence of timely and proper treatments, injuries to articular cartilage (AC) can lead to cartilage degeneration and ultimately result in osteoarthritis. Regenerative medicine and tissue engineering techniques are emerging as promising approaches for AC regeneration and repair. Although the use of cell-seeded scaffolds prior to implantation can regenerate and repair cartilage lesions to some extent, these approaches are still restricted by limited cell sources, excessive costs, risks of disease transmission and complex manufacturing practices. Recently developed acellular scaffold approaches that rely on the recruitment of endogenous cells to the injured sites avoid these drawbacks and offer great promise for in situ AC regeneration. Multiple endogenous stem/progenitor cells (ESPCs) are found in joint-resident niches and have the capability to migrate to sites of injury to participate in AC regeneration. However, the natural recruitment of ESPCs is insufficient, and the local microenvironment is hostile after injury. Hence, an endogenous cell recruitment strategy based on the combination of chemoattractants and acellular scaffolds to effectively and specifically recruit ESPCs and improve local microenvironment may provide new insights into in situ AC regeneration. This review provides a brief overview of: (1) the status of endogenous cell recruitment strategy; (2) the subpopulations, potential migration routes (PMRs) of joint-resident ESPCs and their immunomodulatory and reparative effects; (3) chemoattractants and their potential adverse effects; (4) scaffold-based drug delivery systems (SDDSs) that are utilized for in situ AC regeneration; and (5) the challenges and future perspectives of endogenous cell recruitment strategy for AC regeneration. STATEMENT OF SIGNIFICANCE: Although the endogenous cell recruitment strategy for articular cartilage (AC) regeneration has been investigated for several decades, much work remains to be performed in this field. Future studies should have the following aims: (1) reporting the up-to-date progress in the endogenous cell recruitment strategies; (2) determining the subpopulations of ESPCs, the cellular and molecular mechanisms underlying the migration of these cells and their anti-inflammatory, immunomodulatory and reparative effects; (3) elucidating the chemoattractants that enhance ESPC recruitment and their potential adverse effects; and (4) developing advanced SDDSs for chemoattractant dispatch. Herein, we present a systematic overview of the aforementioned issues to provide a better understanding of endogenous cell recruitment strategies for AC regeneration and repair.
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Kim SH, Djaja YP, Park YB, Park JG, Ko YB, Ha CW. Intra-articular Injection of Culture-Expanded Mesenchymal Stem Cells Without Adjuvant Surgery in Knee Osteoarthritis: A Systematic Review and Meta-analysis. Am J Sports Med 2020; 48:2839-2849. [PMID: 31874044 DOI: 10.1177/0363546519892278] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Although many clinical studies have assessed the efficacy of mesenchymal stem cells (MSCs) in knee osteoarthritis, evidence on their efficacy remains unclear owing to heterogeneity of cell entity and concomitant procedures. PURPOSE To determine the efficacy of culture-expanded MSCs in knee osteoarthritis in terms of clinical outcome and cartilage repair via meta-analysis of randomized controlled trials (RCTs) without adjuvant surgery. STUDY DESIGN Meta-analysis. METHODS PubMed, Embase, the Cochrane Library, CINAHL, and Scopus were searched from inception to December 31, 2018. RCTs with culture-expanded MSCs for treating knee osteoarthritis were included. Studies with adjuvant surgery or cell concentrate were excluded. Quality was assessed by the Cochrane Collaboration risk-of-bias tool. For meta-analysis, data on clinical outcomes were measured using a visual analog scale (VAS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and data on cartilage repair were measured using the Whole-Organ Magnetic Resonance Imaging Score (WORMS); categorization related to improvement was extracted. RESULTS Six RCTs (203 patients) were included. Two studies were deemed to have a low risk of bias. In pooled analysis, the only significant difference was in the VAS score (mean difference, -13.55; 95% CI, -22.19 to -4.9). In cumulative pain analysis with VAS and WOMAC pain scores, there was significant improvement after treatment (standardized mean difference, -0.54; 95% CI, -0.85 to -0.23). There was no significant difference in cartilage repair assessed by magnetic resonance imaging (standardized mean difference, 0.11; 95% CI, -0.51 to 0.73), WORMS (standardized mean difference, 1.68; 95% CI -14.84 to 18.21), or categorical results (odds ratio, 1.56; 95% CI, 0.32-7.59). CONCLUSION Intra-articular injection of culture-expanded MSCs without adjuvant surgery can improve pain for patients experiencing knee osteoarthritis at short-term follow-up (6-12 months). However, evidence regarding function and cartilage repair remains limited.
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Affiliation(s)
- Seong Hwan Kim
- Department of Orthopedic Surgery, Hyundae General Hospital, Chung-Ang University, Namyangju-Si, Kyunggi-Do, Republic of Korea
| | - Yoshi Pratama Djaja
- Department of Orthopedic and Traumatology, Fatmawati General Hospital, South Jakarta, Indonesia
| | - Yong-Beom Park
- Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Jung-Gwan Park
- Department of Orthopedic Surgery, Madisesang Hospital, Seoul, Republic of Korea
| | - Young-Bong Ko
- Department of Orthopedic Surgery, Jounachim Hospital, Gyeonggi-do, Republic of Korea
| | - Chul-Won Ha
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Murata D, Kunitomi Y, Harada K, Tokunaga S, Takao S, Nakayama K. Osteochondral regeneration using scaffold-free constructs of adipose tissue-derived mesenchymal stem cells made by a bio three-dimensional printer with a needle-array in rabbits. Regen Ther 2020; 15:77-89. [PMID: 33426205 PMCID: PMC7770347 DOI: 10.1016/j.reth.2020.05.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 04/24/2020] [Accepted: 05/03/2020] [Indexed: 12/15/2022] Open
Abstract
Osteoarthritis is a major joint disease for which medical interventions have been extensively investigated in humans and animals. In this study, we examined the regeneration of articular cartilage and subchondral bone using a scaffold-free construct consisting of adipose tissue-derived mesenchymal stem cells (AT-MSCs) fabricated using a bio three-dimensional (3D) printer. AT-MSCs were isolated from three rabbits and cultured to a number of sufficient for creation of 3D-printed constructs. One construct consisted of 960 spheroids obtained from 3.5 × 104 autologous AT-MSCs. The construct was then implanted into an osteochondral defect (diameter 4 mm and depth 4 mm) surgically bored into the left femoral trochlear groove of each rabbit. Three months after implantation, healing was assessed by computed tomography, magnetic resonance (MR) imaging, and pathology. MR images were evaluated based on a modified two-dimensional (2D)-magnetic resonance observation of cartilage repair tissue (MOCART) grading system, and gross and microscopic histology were scored according to the International Cartilage Repair Society scale. At the time of imaging, treated defects had become radiopaque, while control defects remained radiolucent. Total 2D-MOCART scores were higher in the implanted defects than in the controls, but not to a statistically significant extent. Similarly, average histological scores were comparable among all groups, although average gross scores were significantly higher in implanted defects than in controls. This is the first demonstration of a scaffold-free 3D-printed construct consisting of autologous AT-MSCs regenerating cartilage and subchondral bone within three months.
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Affiliation(s)
- Daiki Murata
- Veterinary Surgery, Department of Veterinary Clinical Science, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.,Center for Regenerative Medicine Research, Faculty of Medicine, Saga University, Saga, Japan
| | | | - Kaori Harada
- Cyfuse Biomedical K.K., 3-1 Hongo 7-chome, Bunkyo-ku, Tokyo, Japan
| | - Satoshi Tokunaga
- Veterinary Teaching Hospital, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.,Veterinary Teaching Hospital, College of Veterinary Medicine and Biomedical Science, Colorado State University, Fort Collins, CO, USA
| | - Shoko Takao
- Center for Regenerative Medicine Research, Faculty of Medicine, Saga University, Saga, Japan
| | - Koichi Nakayama
- Center for Regenerative Medicine Research, Faculty of Medicine, Saga University, Saga, Japan
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The osteogenic commitment of CD271+CD56+ bone marrow stromal cells (BMSCs) in osteoarthritic femoral head bone. Sci Rep 2020; 10:11145. [PMID: 32636407 PMCID: PMC7341749 DOI: 10.1038/s41598-020-67998-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 06/04/2020] [Indexed: 12/13/2022] Open
Abstract
Osteoarthritis (OA), the most common joint disorder, is characterised by progressive structural changes in both the cartilage and the underlying subchondral bone. In late disease stages, subchondral bone sclerosis has been linked to heightened osteogenic commitment of bone marrow stromal cells (BMSCs). This study utilised cell sorting and immunohistochemistry to identify a phenotypically-distinct, osteogenically-committed BMSC subset in human OA trabecular bone. Femoral head trabecular bone tissue digests were sorted into CD45-CD271+CD56+CD146-, CD45-CD271+CD56-CD146+ and CD45-CD271+CD56-CD146-(termed double-negative, DN) subsets, and CD45+CD271-hematopoietic-lineage cells served as control. Compared to the CD146+ subset, the CD56+ subset possessed a lower-level expression of adipocyte-associated genes and significantly over 100-fold higher-level expression of many osteoblast-related genes including osteopontin and osteocalcin, whilst the DN subset presented a transcriptionally ‘intermediate’ BMSC population. All subsets were tri-potential following culture-expansion and were present in control non-OA trabecular bone. However, while in non-OA bone CD56+ cells only localised on the bone surface, in OA bone they were additionally present in the areas of new bone formation rich in osteoblasts and newly-embedded osteocytes. In summary, this study reveals a distinct osteogenically-committed CD271+CD56+ BMSC subset and implicates it in subchondral bone sclerosis in hip OA. CD271+CD56+ subset may represent a future therapeutic target for OA and other bone-associated pathologies.
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Hernigou P, Bouthors C, Bastard C, Flouzat Lachaniette CH, Rouard H, Dubory A. Subchondral bone or intra-articular injection of bone marrow concentrate mesenchymal stem cells in bilateral knee osteoarthritis: what better postpone knee arthroplasty at fifteen years? A randomized study. INTERNATIONAL ORTHOPAEDICS 2020; 45:391-399. [PMID: 32617651 DOI: 10.1007/s00264-020-04687-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 06/26/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE There is an increasing number of reports on the treatment of knee osteoarthritis (OA) using mesenchymal stem cells (MSCs). However, it is not known what would better drive osteoarthritis stabilization to postpone total knee arthroplasty (TKA): targeting the synovial fluid by injection or targeting on the subchondral bone with MSCs implantation. METHODS A prospective randomized controlled clinical trial was carried out between 2000 and 2005 in 120 knees of 60 patients with painful bilateral knee osteoarthritis with a similar osteoarthritis grade. During the same anaesthesia, a bone marrow concentrate of 40 mL containing an average 5727 MSCs/mL (range 2740 to 7540) was divided in two equal parts: after randomization, one part (20 mL) was delivered to the subchondral bone of femur and tibia of one knee (subchondral group) and the other part was injected in the joint for the contralateral knee (intra-articular group). MSCs were counted as CFU-F (colony fibroblastic unit forming). Clinical outcomes of the patient (Knee Society score) were obtained along with radiological imaging outcomes (including MRIs) at two year follow-up. Subsequent revision surgeries were identified until the most recent follow-up (average of 15 years, range 13 to 18 years). RESULTS At two year follow-up, clinical and imaging (MRI) improvement was higher on the side that received cells in the subchondral bone. At the most recent follow-up (15 years), among the 60 knees treated with subchondral cell therapy, the yearly arthroplasty incidence was 1.3% per knee-year; for the 60 knees with intra-articular cell therapy, the yearly arthroplasty incidence was higher (p = 0.01) with an incidence of 4.6% per knee-year. For the side with subchondral cell therapy, 12 (20%) of 60 knees underwent TKA, while 42 (70%) of 60 knees underwent TKA on the side with intra-articular cell therapy. Among the 18 patients who had no subsequent surgery on both sides, all preferred the knee with subchondral cell therapy. CONCLUSIONS Implantation of MSCs in the subchondral bone of an osteoarthritic knee is more effective to postpone TKA than injection of the same intra-articular dose in the contralateral knee with the same grade of osteoarthritis.
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Affiliation(s)
- Philippe Hernigou
- Orthopedic Department Henri Mondor Hospital, University Paris East, Creteil, France.
| | - Charlie Bouthors
- Orthopedic Department Kremlin Bicêtre Hospital, University Paris Sud, Kremlin Bicetre, France
| | - Claire Bastard
- Orthopedic Department Henri Mondor Hospital, University Paris East, Creteil, France
| | | | - Helene Rouard
- Cellular Therapy, Henri Mondor Hospital, University Paris East, Creteil, France
| | - Arnaud Dubory
- Orthopedic Department Henri Mondor Hospital, University Paris East, Creteil, France
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Carluccio S, Martinelli D, Palamà MEF, Pereira RC, Benelli R, Guijarro A, Cancedda R, Gentili C. Progenitor Cells Activated by Platelet Lysate in Human Articular Cartilage as a Tool for Future Cartilage Engineering and Reparative Strategies. Cells 2020; 9:E1052. [PMID: 32340136 PMCID: PMC7226425 DOI: 10.3390/cells9041052] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/19/2020] [Accepted: 04/20/2020] [Indexed: 12/26/2022] Open
Abstract
Regenerative strategies for human articular cartilage are still challenging despite the presence of resident progenitor cell population. Today, many efforts in the field of regenerative medicine focus on the use of platelet derivatives due to their ability to reactivate endogenous mechanisms supporting tissue repair. While their use in orthopedics continues, mechanisms of action and efficacy need further characterization. We describe that the platelet lysate (PL) is able to activate chondro-progenitor cells in a terminally differentiated cartilage tissue. Primary cultures of human articular chondrocytes (ACs) and cartilage explants were set up from donor hip joint biopsies and were treated in vitro with PL. PL recruited a chondro-progenitors (CPCs)-enriched population from ex vivo cartilage culture, that showed high proliferation rate, clonogenicity and nestin expression. CPCs were positive for in vitro tri-lineage differentiation and formed hyaline cartilage-like tissue in vivo without hypertrophic fate. Moreover, the secretory profile of CPCs was analyzed, together with their migratory capabilities. Some CPC-features were also induced in PL-treated ACs compared to fetal bovine serum (FBS)-control ACs. PL treatment of human articular cartilage activates a stem cell niche responsive to injury. These facts can improve the PL therapeutic efficacy in cartilage applications.
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Affiliation(s)
- Simonetta Carluccio
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
| | - Daniela Martinelli
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
| | - Maria Elisabetta Federica Palamà
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
| | - Rui Cruz Pereira
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
- Neurobiology of miRNA, Fondazione Istituto Italiano di Tecnologia, 16163 Genova, Italy
| | - Roberto Benelli
- UOSD Oncologia Molecolare e Angiogenesi, IRCCS Ospedale Policlinico San Martino, largo Rosanna Benzi 10, 16132 Genova, Italy;
| | - Ana Guijarro
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
| | - Ranieri Cancedda
- Endolife S.r.l., Piazza della Vittoria 15/23, 16121 Genova, Italy;
| | - Chiara Gentili
- Regenerative Medicine Laboratory, Department of Experimental Medicine (DIMES), University of Genova, via Leon Battista Alberti 2, 16132 Genova, Italy; (S.C.); (D.M.); (M.E.F.P.); (R.C.P.); (A.G.)
- Center for Biomedical Research (CEBR), University of Genova, Viale Benedetto XV 9, 16132 Genova, Italy
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44
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Transient Existence of Circulating Mesenchymal Stem Cells in the Deep Veins in Humans Following Long Bone Intramedullary Reaming. J Clin Med 2020; 9:jcm9040968. [PMID: 32244388 PMCID: PMC7230570 DOI: 10.3390/jcm9040968] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 12/24/2022] Open
Abstract
The biology of mesenchymal stem cells (MSCs) in humans is incompletely understood and a possible role of systemically circulating cells in health and autoimmune disease remains controversial. Physiological movement of bone marrow MSCs to sites of injury would support the rationale for intravenous administration for relocation to damaged organs. We hypothesized that biophysical skeletal trauma rather than molecular cues may explain reported MSC circulation phenomena. Deep-femoral vein (FV) and matched peripheral vein blood samples (PVBs) were collected from patients undergoing lower-limb orthopaedic procedures during surgery (tibia using conventional sequential reaming, n = 9, femur using reamer/irrigator/aspirator (RIA), n = 15). PVBs were also taken from early (n = 15) and established (n = 12) rheumatoid arthritis (RA) patients and healthy donors (n = 12). Colony-forming unit-fibroblasts (CFU-Fs) were found in 17/36 FVBs but only 7/74 PVBs (mostly from femoral RIA); highly proliferative clonogenic cells were not generated. Only one colony was found in control/RA samples (n = 28). The rare CFU-Fs’ MSC nature was confirmed by phenotypic: CD105+/CD73+/CD90+ and CD19−/CD31−/CD33−/CD34−/CD45−/CD61−, and molecular profiles with 39/80 genes (including osteo-, chondro-, adipo-genic and immaturity markers) similar across multiple MSC tissue controls, but not dermal fibroblasts. Analysis of FVB-MSCs suggested that their likely origin was bone marrow as only two differences were observed between FVB-MSCs and IC-BM-MSCs (ACVR2A, p = 0.032 and MSX1, p = 0.003). Stromal cells with the phenotype and molecular profile of MSCs were scarcely found in the circulation, supporting the hypothesis that their very rare presence is likely linked to biophysical micro-damage caused by skeletal trauma (here orthopaedic manipulation) rather than specific molecular cues to a circulatory pool of MSCs capable of repair of remote organs or tissues. These findings support the use of organ resident cells or MSCs placed in situ to repair tissues rather than systemic administration.
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Garcia J, Hulme C, Mennan C, Roberts S, Bastiaansen-Jenniskens YM, van Osch GJ, Tins B, Gallacher P, Wright K. The synovial fluid from patients with focal cartilage defects contains mesenchymal stem/stromal cells and macrophages with pro- and anti-inflammatory phenotypes. OSTEOARTHRITIS AND CARTILAGE OPEN 2020; 2:100039. [PMID: 36474589 PMCID: PMC9718259 DOI: 10.1016/j.ocarto.2020.100039] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/03/2020] [Indexed: 01/15/2023] Open
Abstract
Objective The synovial fluid (SF) of patients with focal cartilage defects contains a population of poorly characterised cells that could have pathophysiological implications in early osteoarthritis and joint tissue repair. We have examined the cells within SF of such joints by determining their chondrogenic capacity following culture expansion and establishing the phenotypes of the macrophage subsets in non-cultured cells. Design Knee SF cells were obtained from 21 patients receiving cell therapy to treat a focal cartilage defect. Cell surface immunoprofiling for stem cell and putative chondrogenic markers, and the expression analysis of key chondrogenic and hypertrophic genes were conducted on culture-expanded SF cells prior to chondrogenesis. Flow cytometry was also used to determine the macrophage subsets in freshly isolated SF cells. Results Immunoprofiling revealed positivity for the monocyte/macrophage marker (CD14), the haematopoietic/endothelial cell marker (CD34) and mesenchymal stem/stromal cell markers (CD73, CD90, CD105) on culture expanded cells. We found strong correlations between the presence of CD14 and the vascular cell adhesion marker, CD106 (r = 0.81, p = 0.003). Collagen type II expression after culture expansion positively correlated with GAG production (r = 0.73, p = 0.006), whereas CD90 (r = -0.6, p = 0.03) and CD105 (r = -0.55, p = 0.04) immunopositivity were inversely related to GAG production. Freshly isolated SF cells were positive for both pro- (CD86) and anti-inflammatory markers (CD163 and CD206). Conclusions The cellular content of the SF from patients with focal cartilage injuries is comprised of a heterogeneous population of reparative and inflammatory cells. Additional investigations are needed to understand the role played by these cells in the attempted repair and inflammatory process in diseased joints.
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Affiliation(s)
- John Garcia
- School of Pharmacy and Bioengineering, Keele University, Keele, Staffordshire, ST5 5BG, UK,The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | - Charlotte Hulme
- School of Pharmacy and Bioengineering, Keele University, Keele, Staffordshire, ST5 5BG, UK,The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | - Claire Mennan
- School of Pharmacy and Bioengineering, Keele University, Keele, Staffordshire, ST5 5BG, UK,The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | - Sally Roberts
- School of Pharmacy and Bioengineering, Keele University, Keele, Staffordshire, ST5 5BG, UK,The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | | | - Gerjo J.V.M. van Osch
- Department of Orthopaedics, Erasmus MC University Medical Center, 3000 CA Rotterdam, Netherlands
| | - Bernhard Tins
- The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | - Peter Gallacher
- The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK
| | - Karina Wright
- School of Pharmacy and Bioengineering, Keele University, Keele, Staffordshire, ST5 5BG, UK,The Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, SY10 7AG, UK,Corresponding author. The Robert Jones and Agnes Hunt, Orthopaedic Hospital, Keele University, Oswestry, Shropshire, SY10 7AG, United Kingdom.
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46
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Huang J, Chen C, Liang C, Luo P, Xia G, Zhang L, Wang X, Wen Z, Cao X, Wu S. Dysregulation of the Wnt Signaling Pathway and Synovial Stem Cell Dysfunction in Osteoarthritis Development. Stem Cells Dev 2020; 29:401-413. [PMID: 31964233 DOI: 10.1089/scd.2019.0260] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Stem cell dysfunction and failure have been found in joints afflicted by osteoarthritis (OA). However, the exact factors in the OA microenvironment that impair stem cell functions and the role of stem cell dysfunction in OA development have not been fully clarified. In this study, we evaluated the functional status of synovial mesenchymal stem cells (SMSCs) from OA patients and explored the influence of OA-SMSCs on cartilage degradation in a rat model. We then screened 138 Wnt signaling-related genes in the synovium of OA patients, focusing on the effects of five WNT ligands on SMSC functions. The OA synovium showed mild hyperplasia, and we found a large number of CD90+/CD105+ stem cells in synovial hyperplasia. The OA-SMSCs revealed a cellular senescence phenotype, with decreased proliferation and chondrogenic capacity, accompanied by enhanced migration, proinflammatory and matrix degradation activities. The intra-articular transplantation of these OA-SMSCs significantly aggravated the degradation and destruction of the articular cartilage. Of 138 Wnt signaling genes, the expression of 86 genes was consistently altered in the OA synovium, among which the increased expression of DVL2, WNT10A, and DKK3 was the most marked. In general, we found that canonical Wnt/β-catenin pathways were inhibited in the OA synovium, whereas noncanonical PCP and Wnt/Ca2+ pathways were activated. In vitro, WNT10A had an obvious antisenescence effect on SMSCs. WNT5B significantly inhibited the chondrogenic differentiation of SMSCs, and WNT10A and WNT5A increased the expression of inflammatory cytokines in SMSCs. In a rat model, WNT5A significantly aggravated joint degeneration, whereas WNT10A had a mild protective effect on cartilage integrity. In conclusion, stem cells in the OA synovium were functionally abnormal and promoted the development of OA, whereas dysregulation of the Wnt signaling pathway revealed a comprehensive influence on SMSC functions and cartilage degradation.
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Affiliation(s)
- Junjie Huang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Chuanshun Chen
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Chi Liang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Pan Luo
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Guang Xia
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Lina Zhang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Xinxing Wang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Zi Wen
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Xu Cao
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Song Wu
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
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Khan MR, Smith RK, David F, Lam R, Hughes G, De Godoy R, Carr AJ, Goodship AE, Dudhia J. Evaluation of the Effects of Synovial Multipotent Cells on Deep Digital Flexor Tendon Repair in a Large Animal Model of Intra-Synovial Tendinopathy. J Orthop Res 2020; 38:128-138. [PMID: 31329308 PMCID: PMC6973225 DOI: 10.1002/jor.24423] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 07/10/2019] [Indexed: 02/04/2023]
Abstract
Intra-synovial tendon injuries are a common orthopedic problem with limited treatment options. The synovium is a specialized connective tissue forming the inner encapsulating lining of diarthrodial joints and intra-synovial tendons. It contains multipotent mesenchymal stromal cells that render it a viable source of progenitors for tendon repair. This study evaluated the effects of autologous implantation of cells derived from normal synovium (synovial membrane cells [SMCs]) in augmenting repair in an ovine model of intra-synovial tendon injury. For this purpose, synovial biopsies were taken from the right digital flexor tendon sheath following creation of a defect to the lateral deep digital flexor tendon. Mononuclear cells were isolated by partial enzymatic digestion and assessed for MSC characteristics. Cell tracking and tendon repair were assessed by implanting 5 × 106 cells into the digital flexor tendon sheath under ultrasound guidance with the effects evaluated using magnetic resonance imaging and histopathology. Synovial biopsies yielded an average 4.0 × 105 ± 2.7 × 105 SMCs that exhibited a fibroblastic morphology, variable osteogenic, and adipogenic responses but were ubiquitously strongly chondrogenic. SMCs displayed high expression of CD29 with CD271NEGATIVE and MHC-IILOW cell-surface marker profiles, and variable expression of CD73, CD90, CD105, CD166, and MHC-I. Implanted SMCs demonstrated engraftment within the synovium, though a lack of repair of the tendon lesion over 24 weeks was observed. We conclude healthy synovium is a viable source of multipotent cells, but that the heterogeneity of synovium underlies the variability between different SMC populations, which while capable of engraftment and persistence within the synovium exhibit limited capacity of influencing tendon repair. © 2019 The Authors. Journal of Orthopaedic Research® published by Wiley Periodicals, Inc. on behalf of Orthopaedic Research Society J Orthop Res 38:128-138, 2020.
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Affiliation(s)
- Mohammad R. Khan
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
| | - Roger K. Smith
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
| | - Frederic David
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
| | - Richard Lam
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
| | - Gillian Hughes
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
| | - Roberta De Godoy
- Writtle Agricultural CollegeLordship RoadChelmsfordEssexCM1 3RRUnited Kingdom
| | - Andrew J. Carr
- Botnar Research Centre, Institute of Musculoskeletal SciencesUniversity of OxfordOxfordOX3 7LDUnited Kingdom
| | - Allen E. Goodship
- UCL Institute of Orthopaedics and Musculoskeletal Science (IOMS)StanmoreHA7 4LPUnited Kingdom
| | - Jayesh Dudhia
- Clinical Sciences and ServicesRoyal Veterinary CollegeHawkshead LaneHertfordshireAL9 7TAUnited Kingdom
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Amemiya M, Tsuji K, Katagiri H, Miyatake K, Nakagawa Y, Sekiya I, Muneta T, Koga H. Synovial fluid-derived mesenchymal cells have non-inferior chondrogenic potential and can be utilized for regenerative therapy as substitute for synovium-derived cells. Biochem Biophys Res Commun 2019; 523:465-472. [PMID: 31882120 DOI: 10.1016/j.bbrc.2019.12.068] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 12/15/2019] [Indexed: 12/26/2022]
Abstract
Recent progress in the field of mesenchymal stem cell (MSC) biology has enabled their clinical application. In the autologous cell transplantation therapy, the source of MSCs are quite important to reduce patients' physical burden. In this study, we isolated MSCs from the synovial fluid (SF) and synovial membrane (Syn) of the same patients and compared the biological characteristics of them. In vitro and in vivo experiments indicated the non-inferior chondrocytic differentiation and articular cartilage regeneration potential of SF-MSCs compared to that of Syn-MSCs; however, SF-MSCs showed less proliferative potential than Syn-MSCs in vitro. Flow cytometry-based multiplex surface antigen expression analyses indicated that SF-MSCs exhibit fewer cells positive for CD140, which is a functional growth factor receptor for MSCs. Nevertheless, we obtained enough SF-MSCs for transplantation within several passages. Since arthrocentesis is routinely performed during outpatient care in the consultation room and is less invasive than synovial biopsy, MSC derived from synovial fluid could be considered an attractive cell source for cartilage regenerative therapy as a substitute for Syn-MSC. Developing these cells for clinical application may greatly benefit patients undergoing autologous MSC transplantation therapy.
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Affiliation(s)
| | | | | | | | | | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | | | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Japan
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Jia Z, Wang S, Liu Q. Identification of differentially expressed genes by single-cell transcriptional profiling of umbilical cord and synovial fluid mesenchymal stem cells. J Cell Mol Med 2019; 24:1945-1957. [PMID: 31845522 PMCID: PMC6991657 DOI: 10.1111/jcmm.14891] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 12/23/2022] Open
Abstract
The purpose of this study was to measure the heterogeneity in human umbilical cord–derived mesenchymal stem cells (hUC‐MSCs) and human synovial fluid–derived mesenchymal stem cells (hSF‐MSCs) by single‐cell RNA‐sequencing (scRNA‐seq). Using Chromium™ technology, scRNA‐seq was performed on hUC‐MSCs and hSF‐MSCs from samples that passed our quality control checks. In order to identify subgroups and activated pathways, several bioinformatics tools were used to analyse the transcriptomic profiles, including clustering, principle components analysis (PCA), t‐Distributed Stochastic Neighbor Embedding (t‐SNE), gene set enrichment analysis, as well as Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. scRNA‐seq was performed on the two sample sets. In total, there were 104 761 163 reads for the hUC‐MSCs and 6 577 715 for the hSF‐MSCs, with >60% mapping rate. Based on PCA and t‐SNE analyses, we identified 11 subsets within hUC‐MSCs and seven subsets within hSF‐MSCs. Gene set enrichment analysis determined that there were 533, 57, 32, 44, 10, 319, 731, 1037, 90, 25 and 230 differentially expressed genes (DEGs) in the 11 subsets of hUC‐MSCs and 204, 577, 30, 577, 16, 57 and 35 DEGs in the seven subsets of hSF‐MSCs. scRNA‐seq was not only able to identify subpopulations of hUC‐MSCs and hSF‐MSCs within the sample sets, but also provided a digital transcript count of hUC‐MSCs and hSF‐MSCs within a single patient. scRNA‐seq analysis may elucidate some of the biological characteristics of MSCs and allow for a better understanding of the multi‐directional differentiation, immunomodulatory properties and tissue repair capabilities of MSCs.
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Affiliation(s)
- Zhaofeng Jia
- Department of Osteoarthropathy and Institute of Orthopedic Research, Shenzhen People's Hospital, The Second Clinical Medical College of Jinan University and the First Affiliated Hospital of Southern University of Science and Technology, Shenzhen, China
| | - Shijin Wang
- Department of Orthopaedics, Taian City Central Hospital, Taian, China
| | - Qisong Liu
- Institute for Regenerative Medicine, Texas A&M Health Science Center College of Medicine, Temple, TX, USA
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50
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Mesenchymal stem cells in the treatment of articular cartilage degeneration: New biological insights for an old-timer cell. Cytotherapy 2019; 21:1179-1197. [DOI: 10.1016/j.jcyt.2019.10.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/10/2019] [Accepted: 10/13/2019] [Indexed: 01/15/2023]
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