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Wang L, Yang H, Wang C, Wang M, Huang J, Nyunt T, Osorio C, Sun SY, Pacifici M, Lefebvre V, Moore DC, Wang S, Yang W. SHP2 ablation mitigates osteoarthritic cartilage degeneration by promoting chondrocyte anabolism through SOX9. FASEB J 2024; 38:e70013. [PMID: 39225365 DOI: 10.1096/fj.202400642r] [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: 03/23/2024] [Revised: 07/21/2024] [Accepted: 08/13/2024] [Indexed: 09/04/2024]
Abstract
Articular cartilage phenotypic homeostasis is crucial for life-long joint function, but the underlying cellular and molecular mechanisms governing chondrocyte stability remain poorly understood. Here, we show that the protein tyrosine phosphatase SHP2 is differentially expressed in articular cartilage (AC) and growth plate cartilage (GPC) and that it negatively regulates cell proliferation and cartilage phenotypic program. Postnatal SHP2 deletion in Prg4+ AC chondrocytes increased articular cellularity and thickness, whereas SHP2 deletion in Acan+ pan-chondrocytes caused excessive GPC chondrocyte proliferation and led to joint malformation post-puberty. These observations were verified in mice and in cultured chondrocytes following treatment with the SHP2 PROTAC inhibitor SHP2D26. Further mechanistic studies indicated that SHP2 negatively regulates SOX9 stability and transcriptional activity by influencing SOX9 phosphorylation and promoting its proteasome degradation. In contrast to published work, SHP2 ablation in chondrocytes did not impact IL-1-evoked inflammation responses, and SHP2's negative regulation of SOX9 could be curtailed by genetic or chemical SHP2 inhibition, suggesting that manipulating SHP2 signaling has translational potential for diseases of cartilage dyshomeostasis.
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Affiliation(s)
- Lijun Wang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Huiliang Yang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Changwei Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Mingliang Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Jiahui Huang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Thedoe Nyunt
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Camilo Osorio
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Shi-Yong Sun
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Véronique Lefebvre
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Douglas C Moore
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
| | - Shaomeng Wang
- Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Pharmacology, University of Michigan, Ann Arbor, Michigan, USA
- Department of Medicinal Chemistry, University of Michigan, Ann Arbor, Michigan, USA
| | - Wentian Yang
- Department of Orthopaedic Surgery, Brown University Alpert Medical School, Rhode Island Hospital, Providence, Rhode Island, USA
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Gadomski SJ, Mui BW, Gorodetsky R, Paravastu SS, Featherall J, Li L, Haffey A, Kim JC, Kuznetsov SA, Futrega K, Lazmi-Hailu A, Merling RK, Martin D, McCaskie AW, Robey PG. Time- and cell-specific activation of BMP signaling restrains chondrocyte hypertrophy. iScience 2024; 27:110537. [PMID: 39193188 PMCID: PMC11347861 DOI: 10.1016/j.isci.2024.110537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 02/29/2024] [Accepted: 07/15/2024] [Indexed: 08/29/2024] Open
Abstract
Stem cell therapies for degenerative cartilage disease are limited by an incomplete understanding of hyaline cartilage formation and maintenance. Human bone marrow stromal cells/skeletal stem cells (hBMSCs/SSCs) produce stable hyaline cartilage when attached to hyaluronic acid-coated fibrin microbeads (HyA-FMBs), yet the mechanism remains unclear. In vitro, hBMSC/SSC/HyA-FMB organoids exhibited reduced BMP signaling early in chondrogenic differentiation, followed by restoration of BMP signaling in chondrogenic IGFBP5 + /MGP + cells. Subsequently, human-induced pluripotent stem cell (hiPSC)-derived sclerotome cells were established (BMP inhibition) and then treated with transforming growth factor β (TGF-β) -/+ BMP2 and growth differentiation factor 5 (GDF5) (BMP signaling activation). TGF-β alone elicited a weak chondrogenic response, but TGF-β/BMP2/GDF5 led to delamination of SOX9 + aggregates (chondrospheroids) with high expression of COL2A1, ACAN, and PRG4 and minimal expression of COL10A1 and ALP in vitro. While transplanted hBMSCs/SSCs/HyA-FMBs did not heal articular cartilage defects in immunocompromised rodents, chondrospheroid-derived cells/HyA-FMBs formed non-hypertrophic cartilage that persisted until at least 5 months in vivo.
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Affiliation(s)
- Stephen J. Gadomski
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- NIH Oxford-Cambridge Scholars Program in Partnership with Medical University of South Carolina, Charleston, SC 29425, USA
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK
| | - Byron W.H. Mui
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK
- NIH Oxford-Cambridge Scholars Program in Partnership with Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- NIH Medical Research Scholars Program, National Institutes of Health, Bethesda, MD 20892, USA
| | - Raphael Gorodetsky
- Lab of Biotechnology and Radiobiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Sriram S. Paravastu
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- NIH Medical Research Scholars Program, National Institutes of Health, Bethesda, MD 20892, USA
| | - Joseph Featherall
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- NIH Medical Research Scholars Program, National Institutes of Health, Bethesda, MD 20892, USA
| | - Li Li
- National Institute of Dental and Craniofacial Research Imaging Core, National Institutes of Health, Bethesda, MD 20892, USA
| | - Abigail Haffey
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- National Institute of Dental and Craniofacial Research Summer Internship Program, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jae-Chun Kim
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
- National Institute of Dental and Craniofacial Research Summer Dental Student Program, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sergei A. Kuznetsov
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
| | - Kathryn Futrega
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
| | - Astar Lazmi-Hailu
- Lab of Biotechnology and Radiobiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Randall K. Merling
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
| | - NIDCD/NIDCR Genomics and Computational Biology Core,
- Genomics and Computational Biology Core, National Institute on Deafness and Other Communication Disorders, 35A Convent Drive, Room 1F-103, Bethesda, MD 20892, USA
- Genomics and Computational Biology Core, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
| | - Daniel Martin
- Genomics and Computational Biology Core, National Institute on Deafness and Other Communication Disorders, 35A Convent Drive, Room 1F-103, Bethesda, MD 20892, USA
- Genomics and Computational Biology Core, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
| | - Andrew W. McCaskie
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK
- Department of Surgery, School of Clinical Medicine, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Pamela G. Robey
- Skeletal Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
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Towler OW, Shore EM, Kaplan FS. Molecular Developmental Biology of Fibrodysplasia Ossificans Progressiva: Measuring the Giant by Its Toe. Biomolecules 2024; 14:1009. [PMID: 39199396 PMCID: PMC11353020 DOI: 10.3390/biom14081009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 09/01/2024] Open
Abstract
When a genetic disease is characterized by the abnormal activation of normal molecular pathways and cellular events, it is illuminating to critically examine the places and times of these activities both in health and disease. Therefore, because heterotopic ossification (HO) in fibrodysplasia ossificans progressiva (FOP) is by far the disease's most prominent symptom, attention is also directed toward the pathways and processes of bone formation during skeletal development. FOP is recognizable by effects of the causative mutation on skeletal development even before HO manifests, specifically in the malformation of the great toes. This signature skeletal phenotype is the most highly penetrant, but is only one among several skeletal abnormalities associated with FOP. Patients may present clinically with joint malformation and ankylosis, particularly in the cervical spine and costovertebral joints, as well as characteristic facial features and a litany of less common, non-skeletal symptoms, all stemming from missense mutations in the ACVR1 gene. In the same way that studying the genetic cause of HO advanced our understanding of HO initiation and progression, insight into the roles of ACVR1 signaling during tissue development, particularly in the musculoskeletal system, can be gained from examining altered skeletal development in individuals with FOP. This review will detail what is known about the molecular mechanisms of developmental phenotypes in FOP and the early role of ACVR1 in skeletal patterning and growth, as well as highlight how better understanding these processes may serve to advance patient care, assessments of patient outcomes, and the fields of bone and joint biology.
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Affiliation(s)
- O. Will Towler
- Division of Plastic Surgery, Children’s Hospital of Philadelphia, Philadelphia, PA 19104, USA;
| | - Eileen M. Shore
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Frederick S. Kaplan
- Center for Research in FOP and Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA;
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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4
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Wang C, Fan M, Heo SJ, Adams SM, Li T, Liu Y, Li Q, Loebel C, Alisafaei F, Burdick JA, Lu XL, Birk DE, Mauck RL, Han L. Structure-Mechanics Principles and Mechanobiology of Fibrocartilage Pericellular Matrix: A Pivotal Role of Type V Collagen. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.26.600498. [PMID: 38979323 PMCID: PMC11230444 DOI: 10.1101/2024.06.26.600498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
The pericellular matrix (PCM) is the immediate microniche surrounding resident cells in various tissue types, regulating matrix turnover, cell-matrix cross-talk and disease initiation. This study elucidated the structure-mechanical properties and mechanobiological functions of the PCM in fibrocartilage, a family of connective tissues that sustain complex tensile and compressive loads in vivo. Studying the murine meniscus as the model tissue, we showed that fibrocartilage PCM contains thinner, random collagen fibrillar networks that entrap proteoglycans, a structure distinct from the densely packed, highly aligned collagen fibers in the bulk extracellular matrix (ECM). In comparison to the ECM, the PCM has a lower modulus and greater isotropy, but similar relative viscoelastic properties. In Col5a1 +/- menisci, the reduction of collagen V, a minor collagen localized in the PCM, resulted in aberrant fibril thickening with increased heterogeneity. Consequently, the PCM exhibited a reduced modulus, loss of isotropy and faster viscoelastic relaxation. This disrupted PCM contributes to perturbed mechanotransduction of resident meniscal cells, as illustrated by reduced intracellular calcium signaling, as well as upregulated biosynthesis of lysyl oxidase and tenascin C. When cultured in vitro, Col5a1 +/- meniscal cells synthesized a weakened nascent PCM, which had inferior properties towards protecting resident cells against applied tensile stretch. These findings underscore the PCM as a distinctive microstructure that governs fibrocartilage mechanobiology, and highlight the pivotal role of collagen V in PCM function. Targeting the PCM or its molecular constituents holds promise for enhancing not only meniscus regeneration and osteoarthritis intervention, but also addressing diseases across various fibrocartilaginous tissues.
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Affiliation(s)
- Chao Wang
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Mingyue Fan
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Su-Jin Heo
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Sheila M Adams
- Department of Molecular Pharmacology and Physiology, Morsani School of Medicine, University of South Florida, Tampa, FL 33612, United States
| | - Thomas Li
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Yuchen Liu
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Qing Li
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Claudia Loebel
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109, United States
| | - Farid Alisafaei
- Department of Mechanical and Industrial Engineering, New Jersey Institute of Technology, Newark, NJ 07102, United States
| | - Jason A Burdick
- BioFrontiers Institute and Department of Chemical and Biological Engineering, University of Colorado, Boulder, CO 80309, United States
| | - X Lucas Lu
- Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, United States
| | - David E Birk
- Department of Molecular Pharmacology and Physiology, Morsani School of Medicine, University of South Florida, Tampa, FL 33612, United States
| | - Robert L Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA 19104, United States
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
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5
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Ignatyeva N, Gavrilov N, Timashev PS, Medvedeva EV. Prg4-Expressing Chondroprogenitor Cells in the Superficial Zone of Articular Cartilage. Int J Mol Sci 2024; 25:5605. [PMID: 38891793 PMCID: PMC11171992 DOI: 10.3390/ijms25115605] [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: 04/15/2024] [Revised: 05/12/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Joint-resident chondrogenic precursor cells have become a significant therapeutic option due to the lack of regenerative capacity in articular cartilage. Progenitor cells are located in the superficial zone of the articular cartilage, producing lubricin/Prg4 to decrease friction of cartilage surfaces during joint movement. Prg4-positive progenitors are crucial in maintaining the joint's structure and functionality. The disappearance of progenitor cells leads to changes in articular hyaline cartilage over time, subchondral bone abnormalities, and the formation of ectopic ossification. Genetic labeling cell technology has been the main tool used to characterize Prg4-expressing progenitor cells of articular cartilage in vivo through drug injection at different time points. This technology allows for the determination of the origin of progenitor cells and the tracking of their progeny during joint development and cartilage damage. We endeavored to highlight the currently known information about the Prg4-producing cell population in the joint to underline the significance of the role of these cells in the development of articular cartilage and its homeostasis. This review focuses on superficial progenitors in the joint, how they contribute to postnatal articular cartilage formation, their capacity for regeneration, and the consequences of Prg4 deficiency in these cells. We have accumulated information about the Prg4+ cell population of articular cartilage obtained through various elegantly designed experiments using transgenic technologies to identify potential opportunities for further research.
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Affiliation(s)
- Nadezda Ignatyeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119048, Russia; (N.G.); (P.S.T.); (E.V.M.)
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6
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Reis IL, Lopes B, Sousa P, Sousa AC, Caseiro AR, Mendonça CM, Santos JM, Atayde LM, Alvites RD, Maurício AC. Equine Musculoskeletal Pathologies: Clinical Approaches and Therapeutical Perspectives-A Review. Vet Sci 2024; 11:190. [PMID: 38787162 PMCID: PMC11126110 DOI: 10.3390/vetsci11050190] [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: 03/09/2024] [Revised: 04/12/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024] Open
Abstract
Musculoskeletal injuries such as equine osteoarthritis, osteoarticular defects, tendonitis/desmitis, and muscular disorders are prevalent among sport horses, with a fair prognosis for returning to exercise or previous performance levels. The field of equine medicine has witnessed rapid and fruitful development, resulting in a diverse range of therapeutic options for musculoskeletal problems. Staying abreast of these advancements can be challenging, prompting the need for a comprehensive review of commonly used and recent treatments. The aim is to compile current therapeutic options for managing these injuries, spanning from simple to complex physiotherapy techniques, conservative treatments including steroidal and non-steroidal anti-inflammatory drugs, hyaluronic acid, polysulfated glycosaminoglycans, pentosan polysulfate, and polyacrylamides, to promising regenerative therapies such as hemoderivatives and stem cell-based therapies. Each therapeutic modality is scrutinized for its benefits, limitations, and potential synergistic actions to facilitate their most effective application for the intended healing/regeneration of the injured tissue/organ and subsequent patient recovery. While stem cell-based therapies have emerged as particularly promising for equine musculoskeletal injuries, a multidisciplinary approach is underscored throughout the discussion, emphasizing the importance of considering various therapeutic modalities in tandem.
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Affiliation(s)
- Inês L. Reis
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Departamento de Ciências Veterinárias, Cooperativa de Ensino Superior Politécnico e Universitário (CESPU), Instituto Universitário de Ciências da Saúde (IUCS), Avenida Central de Gandra 1317, 4585-116 Gandra, Portugal
| | - Bruna Lopes
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Patrícia Sousa
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Ana C. Sousa
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Ana R. Caseiro
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Veterinary Sciences Department, University School Vasco da Gama (EUVG), Avenida José R. Sousa Fernandes, Lordemão, 3020-210 Coimbra, Portugal
- Vasco da Gama Research Center (CIVG), University School Vasco da Gama (EUVG), Avenida José R. Sousa Fernandes, Lordemão, 3020-210 Coimbra, Portugal
| | - Carla M. Mendonça
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Campus Agrário de Vairão, Centro Clínico de Equinos de Vairão (CCEV), Rua da Braziela n° 100, 4485-144 Vairão, Portugal
| | - Jorge M. Santos
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Luís M. Atayde
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Campus Agrário de Vairão, Centro Clínico de Equinos de Vairão (CCEV), Rua da Braziela n° 100, 4485-144 Vairão, Portugal
| | - Rui D. Alvites
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Departamento de Ciências Veterinárias, Cooperativa de Ensino Superior Politécnico e Universitário (CESPU), Instituto Universitário de Ciências da Saúde (IUCS), Avenida Central de Gandra 1317, 4585-116 Gandra, Portugal
| | - Ana C. Maurício
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal; (I.L.R.); (B.L.); (P.S.); (A.C.S.); (C.M.M.); (J.M.S.); (L.M.A.); (R.D.A.)
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal;
- Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), 1300-477 Lisboa, Portugal
- Campus Agrário de Vairão, Centro Clínico de Equinos de Vairão (CCEV), Rua da Braziela n° 100, 4485-144 Vairão, Portugal
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Fox SC, Waskiewicz AJ. Transforming growth factor beta signaling and craniofacial development: modeling human diseases in zebrafish. Front Cell Dev Biol 2024; 12:1338070. [PMID: 38385025 PMCID: PMC10879340 DOI: 10.3389/fcell.2024.1338070] [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: 11/14/2023] [Accepted: 01/18/2024] [Indexed: 02/23/2024] Open
Abstract
Humans and other jawed vertebrates rely heavily on their craniofacial skeleton for eating, breathing, and communicating. As such, it is vital that the elements of the craniofacial skeleton develop properly during embryogenesis to ensure a high quality of life and evolutionary fitness. Indeed, craniofacial abnormalities, including cleft palate and craniosynostosis, represent some of the most common congenital abnormalities in newborns. Like many other organ systems, the development of the craniofacial skeleton is complex, relying on specification and migration of the neural crest, patterning of the pharyngeal arches, and morphogenesis of each skeletal element into its final form. These processes must be carefully coordinated and integrated. One way this is achieved is through the spatial and temporal deployment of cell signaling pathways. Recent studies conducted using the zebrafish model underscore the importance of the Transforming Growth Factor Beta (TGF-β) and Bone Morphogenetic Protein (BMP) pathways in craniofacial development. Although both pathways contain similar components, each pathway results in unique outcomes on a cellular level. In this review, we will cover studies conducted using zebrafish that show the necessity of these pathways in each stage of craniofacial development, starting with the induction of the neural crest, and ending with the morphogenesis of craniofacial elements. We will also cover human skeletal and craniofacial diseases and malformations caused by mutations in the components of these pathways (e.g., cleft palate, craniosynostosis, etc.) and the potential utility of zebrafish in studying the etiology of these diseases. We will also briefly cover the utility of the zebrafish model in joint development and biology and discuss the role of TGF-β/BMP signaling in these processes and the diseases that result from aberrancies in these pathways, including osteoarthritis and multiple synostoses syndrome. Overall, this review will demonstrate the critical roles of TGF-β/BMP signaling in craniofacial development and show the utility of the zebrafish model in development and disease.
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8
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Humphreys PEA, Woods S, Bates N, Rooney KM, Mancini FE, Barclay C, O'Flaherty J, Martial FP, Domingos MAN, Kimber SJ. Optogenetic manipulation of BMP signaling to drive chondrogenic differentiation of hPSCs. Cell Rep 2023; 42:113502. [PMID: 38032796 DOI: 10.1016/j.celrep.2023.113502] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/23/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023] Open
Abstract
Optogenetics is a rapidly advancing technology combining photochemical, optical, and synthetic biology to control cellular behavior. Together, sensitive light-responsive optogenetic tools and human pluripotent stem cell differentiation models have the potential to fine-tune differentiation and unpick the processes by which cell specification and tissue patterning are controlled by morphogens. We used an optogenetic bone morphogenetic protein (BMP) signaling system (optoBMP) to drive chondrogenic differentiation of human embryonic stem cells (hESCs). We engineered light-sensitive hESCs through CRISPR-Cas9-mediated integration of the optoBMP system into the AAVS1 locus. The activation of optoBMP with blue light, in lieu of BMP growth factors, resulted in the activation of BMP signaling mechanisms and upregulation of a chondrogenic phenotype, with significant transcriptional differences compared to cells in the dark. Furthermore, cells differentiated with light could form chondrogenic pellets consisting of a hyaline-like cartilaginous matrix. Our findings indicate the applicability of optogenetics for understanding human development and tissue engineering.
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Affiliation(s)
- Paul E A Humphreys
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Steven Woods
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Nicola Bates
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Kirsty M Rooney
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Fabrizio E Mancini
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK; Department of Mechanical, Aerospace, and Civil Engineering, Faculty of Science and Engineering, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Cerys Barclay
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Julieta O'Flaherty
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Franck P Martial
- Division of Neuroscience & Experimental Psychology, Faculty of Biology, Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Marco A N Domingos
- Department of Mechanical, Aerospace, and Civil Engineering, Faculty of Science and Engineering, University of Manchester, Oxford Road, Manchester M13 9PT, UK
| | - Susan J Kimber
- Division of Cell Matrix & Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Oxford Road, Manchester M13 9PT, UK.
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9
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Zhou AK, Jou E, Lu V, Zhang J, Chabra S, Abishek J, Wong E, Zeng X, Guo B. Using Pre-Clinical Studies to Explore the Potential Clinical Uses of Exosomes Secreted from Induced Pluripotent Stem Cell-Derived Mesenchymal Stem cells. Tissue Eng Regen Med 2023; 20:793-809. [PMID: 37651091 PMCID: PMC10519927 DOI: 10.1007/s13770-023-00557-6] [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: 03/19/2023] [Revised: 05/09/2023] [Accepted: 05/16/2023] [Indexed: 09/01/2023] Open
Abstract
Recent studies of exosomes derived from mesenchymal stem cells (MSCs) have indicated high potential clinical applications in many diseases. However, the limited source of MSCs impedes their clinical research and application. Most recently, induced pluripotent stem cells (iPSCs) have become a promising source of MSCs. Exosome therapy based on iPSC-derived MSCs (iMSCs) is a novel technique with much of its therapeutic potential untapped. Compared to MSCs, iMSCs have proved superior in cell proliferation, immunomodulation, generation of exosomes capable of controlling the microenvironment, and bioactive paracrine factor secretion, while also theoretically eliminating the dependence on immunosuppression drugs. The therapeutic effects of iMSC-derived exosomes are explored in many diseases and are best studied in wound healing, cardiovascular disease, and musculoskeletal pathology. It is pertinent clinicians have a strong understanding of stem cell therapy and the latest advances that will eventually translate into clinical practice. In this review, we discuss the various applications of exosomes derived from iMSCs in clinical medicine.
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Affiliation(s)
- Andrew Kailin Zhou
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- Watford General Hospital, London, UK
| | - Eric Jou
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - Victor Lu
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - James Zhang
- Addenbrookes Major Trauma Unit, Department of Trauma And Orthopaedics, Cambridge University Hospitals, Cambridge, UK
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | - Shirom Chabra
- School Of Clinical Medicine, University Of Cambridge, Cambridge, UK
| | | | | | - Xianwei Zeng
- Beijing Rehabilitation Hospital Affiliated to National Research Centre for Rehabilitation Technical Aids, Ministry of Civil Affairs of China, Beijing, China.
- Weifang People's Hospital, Weifang City, Shandong Province, China.
| | - Baoqiang Guo
- Department of Life Science, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, UK.
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10
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Kwok B, Chandrasekaran P, Wang C, He L, Mauck RL, Dyment NA, Koyama E, Han L. Rapid specialization and stiffening of the primitive matrix in developing articular cartilage and meniscus. Acta Biomater 2023; 168:235-251. [PMID: 37414114 PMCID: PMC10529006 DOI: 10.1016/j.actbio.2023.06.047] [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: 02/20/2023] [Revised: 06/02/2023] [Accepted: 06/28/2023] [Indexed: 07/08/2023]
Abstract
Understanding early patterning events in the extracellular matrix (ECM) formation can provide a blueprint for regenerative strategies to better recapitulate the function of native tissues. Currently, there is little knowledge on the initial, incipient ECM of articular cartilage and meniscus, two load-bearing counterparts of the knee joint. This study elucidated distinctive traits of their developing ECMs by studying the composition and biomechanics of these two tissues in mice from mid-gestation (embryonic day 15.5) to neo-natal (post-natal day 7) stages. We show that articular cartilage initiates with the formation of a pericellular matrix (PCM)-like primitive matrix, followed by the separation into distinct PCM and territorial/interterritorial (T/IT)-ECM domains, and then, further expansion of the T/IT-ECM through maturity. In this process, the primitive matrix undergoes a rapid, exponential stiffening, with a daily modulus increase rate of 35.7% [31.9 39.6]% (mean [95% CI]). Meanwhile, the matrix becomes more heterogeneous in the spatial distribution of properties, with concurrent exponential increases in the standard deviation of micromodulus and the slope correlating local micromodulus with the distance from cell surface. In comparison to articular cartilage, the primitive matrix of meniscus also exhibits exponential stiffening and an increase in heterogeneity, albeit with a much slower daily stiffening rate of 19.8% [14.9 24.9]% and a delayed separation of PCM and T/IT-ECM. These contrasts underscore distinct development paths of hyaline versus fibrocartilage. Collectively, these findings provide new insights into how knee joint tissues form to better guide cell- and biomaterial-based repair of articular cartilage, meniscus and potentially other load-bearing cartilaginous tissues. STATEMENT OF SIGNIFICANCE: Successful regeneration of articular cartilage and meniscus is challenged by incomplete knowledge of early events that drive the initial formation of the tissues' extracellular matrix in vivo. This study shows that articular cartilage initiates with a pericellular matrix (PCM)-like primitive matrix during embryonic development. This primitive matrix then separates into distinct PCM and territorial/interterritorial domains, undergoes an exponential daily stiffening of ≈36% and an increase in micromechanical heterogeneity. At this early stage, the meniscus primitive matrix shows differential molecular traits and exhibits a slower daily stiffening of ≈20%, underscoring distinct matrix development between these two tissues. Our findings thus establish a new blueprint to guide the design of regenerative strategies to recapitulate the key developmental steps in vivo.
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Affiliation(s)
- Bryan Kwok
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Prashant Chandrasekaran
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Chao Wang
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Lan He
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Robert L Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA 19104, United States
| | - Nathaniel A Dyment
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, United States
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States.
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11
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Furuoka H, Endo K, Sekiya I. Mesenchymal stem cells in synovial fluid increase in number in response to synovitis and display more tissue-reparative phenotypes in osteoarthritis. Stem Cell Res Ther 2023; 14:244. [PMID: 37679780 PMCID: PMC10485949 DOI: 10.1186/s13287-023-03487-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND Synovial fluid mesenchymal stem cells (SF-MSCs) originate in the synovium and contribute to the endogenous repair of damaged intra-articular tissues. Here, we clarified the relationship between their numbers and joint structural changes during osteoarthritis (OA) progression and investigated whether SF-MSCs had phenotypes favorable for tissue repair, even in an OA environment. METHODS Partial medial meniscectomy (pMx) and sham surgery were performed on both knees of rats. SF and knee joints were collected from intact rats and from rats at 2, 4, and 6 weeks after surgery. SF was cultured for 1 week to calculate the numbers of colony-forming cells and colony areas. Joint structural changes were evaluated histologically to investigate their correlation with the numbers and areas of colonies. RNA sequencing was performed for SF-MSCs from intact knees and knees 4 weeks after the pMx and sham surgery. RESULTS Colony-forming cell numbers and colony areas were greater in the pMx group than in the intact and sham groups and peaked at 2 and 4 weeks, respectively. Synovitis scores showed the strongest correlation with colony numbers (R = 0.583) and areas (R = 0.456). RNA sequencing revealed higher expression of genes related to extracellular matrix binding, TGF-β signaling, and superoxide dismutase activity in SF-MSCs in the pMx group than in the sham group. CONCLUSION The number of SF-MSCs was most closely correlated with the severity of synovitis in this rat OA model. Tissue-reparative gene expression patterns were observed in SF-MSCs from OA knees, but not from knees without intra-articular tissue damage.
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Affiliation(s)
- Hideto Furuoka
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Kentaro Endo
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
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12
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Xu W, Wang J, Cui L, Huang C, Xia N, Xie M, Liu D, Liao D. Il-1β Promotes Superficial Zone Cells Senescence in Articular Cartilage by Inhibiting Autophagy. Cartilage 2023:19476035231194771. [PMID: 37650417 DOI: 10.1177/19476035231194771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
OBJECTIVE The superficial zone cells in articular cartilage (SFZCs) have been identified as stem/progenitor chondrocytes and promoted cell self-renewal in the osteoarthritis (OA). Several studies emphasized the involvement of senescence and autophagy in OA. Interleukin-1β (IL-1β) is one of the main inflammatory mediators of OA, and whether it induces senescence and autophagy in SFZCs remains unclear. The present study aimed to investigate autophagy flux, mitochondrial function, and intracellular reactive oxygen species (ROS) that resulted in senescence in SFZCs induced by IL-1β. METHODS Using western blotting, reverse transcription-quantitative PCR, immunofluorescence, intracellular ROS detection, mitochondrial staining, and determination of mitochondrial membrane potential, we tested senescence and autophagy markers in SFZCs induced by IL-1β in vitro. The consequences of mitochondrial function and ROS were also studied with IL-1β-induced senescence. RESULTS IL-1β treatment decreased SFZC proliferation, induced SFZC senescence, and reduced SFZCs' chondrogenic differentiation capacity. Moreover, IL-1β impaired autophagy flux, and the autophagy activator, rapamycin, attenuated the senescence of SFZCs. IL-1β-induced autophagy defect resulted in mitochondrial dysfunction and overproduction of ROS, and autophagy activation notably protected against mitochondrial dysfunction and reduced the levels of ROS. Moreover, antioxidant N-acetylcysteine reversed the senescence of IL-1β in SFZCs. CONCLUSION IL-1β promotes autophagy impairment and subsequently results in dysfunctional mitochondria and overproduction of ROS, which finally causes SFZC senescence.
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Affiliation(s)
- Wei Xu
- Trauma Center, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Juan Wang
- Department of Pain Treatment, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Lin Cui
- Trauma Center, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Chen Huang
- Trauma Center, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Ning Xia
- Department of Orthopedics, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Meiming Xie
- Trauma Center, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Da Liu
- Department of Orthopedics, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
| | - Dongfa Liao
- Trauma Center, General Hospital of Western Theater Command, People's Liberation Army, Chengdu, China
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13
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Hallström GF, Jones DL, Locke RC, Bonnevie ED, Kim SY, Laforest L, Garcia DC, Mauck RL. Microenvironmental mechanoactivation through Yap/Taz suppresses chondrogenic gene expression. Mol Biol Cell 2023; 34:ar73. [PMID: 37043309 PMCID: PMC10295477 DOI: 10.1091/mbc.e22-12-0543] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/23/2023] [Accepted: 04/06/2023] [Indexed: 04/13/2023] Open
Abstract
Chondrocyte phenotype is preserved when cells are round and the actin cytoskeleton is cortical. Conversely, these cells rapidly dedifferentiate in vitro with increased mechanoactive Rho signaling, which increases cell size and causes large actin stress fiber to form. While the effects of Rho on chondrocyte phenotype are well established, the molecular mechanism is not yet fully elucidated. Yap, a transcriptional coregulator, is regulated by Rho in a mechanotransductive manner and can suppress chondrogenesis in vivo. Here, we sought to elucidate the relationship between mechanoactive Rho and Yap on chondrogenic gene expression. We first show that decreasing mechanoactive state through Rho inhibition results in a broad increase in chondrogenic gene expression. Next, we show that Yap and its coregulator Taz are negative regulators of chondrogenic gene expression, and removal of these factors promotes chondrogenesis even in environments that promote cell spreading. Finally, we establish that Yap/Taz is essential for translating Rho-mediated signals to negatively regulate chondrogenic gene expression, and that its removal negates the effects of increased Rho signaling. Together, these data indicate that Rho is a mechanoregulator of chondrogenic differentiation, and that its impact on chondrogenic expression is exerted principally through mechanically induced translocation and activity of Yap and Taz.
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Affiliation(s)
- Grey F. Hallström
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104
| | - Dakota L. Jones
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
| | - Ryan C. Locke
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104
| | - Edward D. Bonnevie
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104
| | - Sung Yeon Kim
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104
| | - Lorielle Laforest
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
| | - Diana Cruz Garcia
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
| | - Robert L. Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine
- Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA 19104
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104
- Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA 19104
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14
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Starkova T, Polyanichko A, Tomilin AN, Chikhirzhina E. Structure and Functions of HMGB2 Protein. Int J Mol Sci 2023; 24:ijms24098334. [PMID: 37176041 PMCID: PMC10179549 DOI: 10.3390/ijms24098334] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/17/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
High-Mobility Group (HMG) chromosomal proteins are the most numerous nuclear non-histone proteins. HMGB domain proteins are the most abundant and well-studied HMG proteins. They are involved in variety of biological processes. HMGB1 and HMGB2 were the first members of HMGB-family to be discovered and are found in all studied eukaryotes. Despite the high degree of homology, HMGB1 and HMGB2 proteins differ from each other both in structure and functions. In contrast to HMGB2, there is a large pool of works devoted to the HMGB1 protein whose structure-function properties have been described in detail in our previous review in 2020. In this review, we attempted to bring together diverse data about the structure and functions of the HMGB2 protein. The review also describes post-translational modifications of the HMGB2 protein and its role in the development of a number of diseases. Particular attention is paid to its interaction with various targets, including DNA and protein partners. The influence of the level of HMGB2 expression on various processes associated with cell differentiation and aging and its ability to mediate the differentiation of embryonic and adult stem cells are also discussed.
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Affiliation(s)
- Tatiana Starkova
- Laboratory of Molecular Biology of Stem Cells, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Alexander Polyanichko
- Laboratory of Molecular Biology of Stem Cells, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Alexey N Tomilin
- Laboratory of Molecular Biology of Stem Cells, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
| | - Elena Chikhirzhina
- Laboratory of Molecular Biology of Stem Cells, Institute of Cytology of the Russian Academy of Sciences, Tikhoretsky Av. 4, 194064 St. Petersburg, Russia
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15
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Giorgino R, Albano D, Fusco S, Peretti GM, Mangiavini L, Messina C. Knee Osteoarthritis: Epidemiology, Pathogenesis, and Mesenchymal Stem Cells: What Else Is New? An Update. Int J Mol Sci 2023; 24:ijms24076405. [PMID: 37047377 PMCID: PMC10094836 DOI: 10.3390/ijms24076405] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023] Open
Abstract
Osteoarthritis (OA) is a chronic disease and the most common orthopedic disorder. A vast majority of the social OA burden is related to hips and knees. The prevalence of knee OA varied across studies and such differences are reflected by the heterogeneity of data reported by studies conducted worldwide. A complete understanding of the pathogenetic mechanisms underlying this pathology is essential. The OA inflammatory process starts in the synovial membrane with the activation of the immune system, involving both humoral and cellular mediators. A crucial role in this process is played by the so-called “damage-associated molecular patterns” (DAMPs). Mesenchymal stem cells (MSCs) may be a promising option among all possible therapeutic options. However, many issues are still debated, such as the best cell source, their nature, and the right amount. Further studies are needed to clarify the remaining doubts. This review provides an overview of the most recent and relevant data on the molecular mechanism of cartilage damage in knee OA, including current therapeutic approaches in regenerative medicine.
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16
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Richard D, Pregizer S, Venkatasubramanian D, Raftery RM, Muthuirulan P, Liu Z, Capellini TD, Craft AM. Lineage-specific differences and regulatory networks governing human chondrocyte development. eLife 2023; 12:e79925. [PMID: 36920035 PMCID: PMC10069868 DOI: 10.7554/elife.79925] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 03/14/2023] [Indexed: 03/16/2023] Open
Abstract
To address large gaps in our understanding of the molecular regulation of articular and growth plate cartilage development in humans, we used our directed differentiation approach to generate these distinct cartilage tissues from human embryonic stem cells. The resulting transcriptomic profiles of hESC-derived articular and growth plate chondrocytes were similar to fetal epiphyseal and growth plate chondrocytes, with respect to genes both known and previously unknown to cartilage biology. With the goal to characterize the regulatory landscapes accompanying these respective transcriptomes, we mapped chromatin accessibility in hESC-derived chondrocyte lineages, and mouse embryonic chondrocytes, using ATAC-sequencing. Integration of the expression dataset with the differentially accessible genomic regions revealed lineage-specific gene regulatory networks. We validated functional interactions of two transcription factors (TFs) (RUNX2 in growth plate chondrocytes and RELA in articular chondrocytes) with their predicted genomic targets. The maps we provide thus represent a framework for probing regulatory interactions governing chondrocyte differentiation. This work constitutes a substantial step towards comprehensive and comparative molecular characterizations of distinct chondrogenic lineages and sheds new light on human cartilage development and biology.
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Affiliation(s)
- Daniel Richard
- Human Evolutionary Biology, Harvard UniversityCambridgeUnited States
| | - Steven Pregizer
- Department of Orthopedic Research, Boston Children’s HospitalBostonUnited States
- Department of Orthopedic Surgery, Harvard Medical SchoolBostonUnited States
| | - Divya Venkatasubramanian
- Department of Orthopedic Research, Boston Children’s HospitalBostonUnited States
- Department of Orthopedic Surgery, Harvard Medical SchoolBostonUnited States
- Department of Molecular and Cellular Biology, Harvard UniversityCambridgeUnited States
| | - Rosanne M Raftery
- Department of Orthopedic Research, Boston Children’s HospitalBostonUnited States
- Department of Orthopedic Surgery, Harvard Medical SchoolBostonUnited States
| | | | - Zun Liu
- Human Evolutionary Biology, Harvard UniversityCambridgeUnited States
| | - Terence D Capellini
- Human Evolutionary Biology, Harvard UniversityCambridgeUnited States
- Broad Institute of MIT and HarvardCambridgeUnited States
| | - April M Craft
- Department of Orthopedic Research, Boston Children’s HospitalBostonUnited States
- Department of Orthopedic Surgery, Harvard Medical SchoolBostonUnited States
- Harvard Stem Cell InstituteCambridgeUnited States
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17
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Collins FL, Roelofs AJ, Symons RA, Kania K, Campbell E, Collie-Duguid ESR, Riemen AHK, Clark SM, De Bari C. Taxonomy of fibroblasts and progenitors in the synovial joint at single-cell resolution. Ann Rheum Dis 2023; 82:428-437. [PMID: 36414376 PMCID: PMC9933170 DOI: 10.1136/ard-2021-221682] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 10/05/2022] [Indexed: 11/23/2022]
Abstract
OBJECTIVES Fibroblasts in synovium include fibroblast-like synoviocytes (FLS) in the lining and Thy1+ connective-tissue fibroblasts in the sublining. We aimed to investigate their developmental origin and relationship with adult progenitors. METHODS To discriminate between Gdf5-lineage cells deriving from the embryonic joint interzone and other Pdgfrα-expressing fibroblasts and progenitors, adult Gdf5-Cre;Tom;Pdgfrα-H2BGFP mice were used and cartilage injury was induced to activate progenitors. Cells were isolated from knees, fibroblasts and progenitors were sorted by fluorescence-activated cell-sorting based on developmental origin, and analysed by single-cell RNA-sequencing. Flow cytometry and immunohistochemistry were used for validation. Clonal-lineage mapping was performed using Gdf5-Cre;Confetti mice. RESULTS In steady state, Thy1+ sublining fibroblasts were of mixed ontogeny. In contrast, Thy1-Prg4+ lining fibroblasts predominantly derived from the embryonic joint interzone and included Prg4-expressing progenitors distinct from molecularly defined FLS. Clonal-lineage tracing revealed compartmentalisation of Gdf5-lineage fibroblasts between lining and sublining. Following injury, lining hyperplasia resulted from proliferation and differentiation of Prg4-expressing progenitors, with additional recruitment of non-Gdf5-lineage cells, into FLS. Consistent with this, a second population of proliferating cells, enriched near blood vessels in the sublining, supplied activated multipotent cells predicted to give rise to Thy1+ fibroblasts, and to feed into the FLS differentiation trajectory. Transcriptional programmes regulating fibroblast differentiation trajectories were uncovered, identifying Sox5 and Foxo1 as key FLS transcription factors in mice and humans. CONCLUSIONS Our findings blueprint a cell atlas of mouse synovial fibroblasts and progenitors in healthy and injured knees, and provide novel insights into the cellular and molecular principles governing the organisation and maintenance of adult synovial joints.
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Affiliation(s)
- Fraser L Collins
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Anke J Roelofs
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Rebecca A Symons
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Karolina Kania
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Ewan Campbell
- Centre for Genome-Enabled Biology and Medicine, University of Aberdeen, Aberdeen, UK
| | | | - Anna H K Riemen
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Susan M Clark
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
| | - Cosimo De Bari
- Arthritis and Regenerative Medicine Laboratory, Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Aberdeen, UK
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18
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Murphy P, Rolfe RA. Building a Co-ordinated Musculoskeletal System: The Plasticity of the Developing Skeleton in Response to Muscle Contractions. ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2023; 236:81-110. [PMID: 37955772 DOI: 10.1007/978-3-031-38215-4_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
The skeletal musculature and the cartilage, bone and other connective tissues of the skeleton are intimately co-ordinated. The shape, size and structure of each bone in the body is sculpted through dynamic physical stimuli generated by muscle contraction, from early development, with onset of the first embryo movements, and through repair and remodelling in later life. The importance of muscle movement during development is shown by congenital abnormalities where infants that experience reduced movement in the uterus present a sequence of skeletal issues including temporary brittle bones and joint dysplasia. A variety of animal models, utilising different immobilisation scenarios, have demonstrated the precise timing and events that are dependent on mechanical stimulation from movement. This chapter lays out the evidence for skeletal system dependence on muscle movement, gleaned largely from mouse and chick immobilised embryos, showing the many aspects of skeletal development affected. Effects are seen in joint development, ossification, the size and shape of skeletal rudiments and tendons, including compromised mechanical function. The enormous plasticity of the skeletal system in response to muscle contraction is a key factor in building a responsive, functional system. Insights from this work have implications for our understanding of morphological evolution, particularly the challenging concept of emergence of new structures. It is also providing insight for the potential of physical therapy for infants suffering the effects of reduced uterine movement and is enhancing our understanding of the cellular and molecular mechanisms involved in skeletal tissue differentiation, with potential for informing regenerative therapies.
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Affiliation(s)
- Paula Murphy
- School of Natural Sciences, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland.
| | - Rebecca A Rolfe
- School of Natural Sciences, Trinity College Dublin, The University of Dublin, Dublin 2, Ireland
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19
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Gao M, Liu X, Guo P, Wang J, Li J, Wang W, Stoddart MJ, Grad S, Li Z, Wu H, Li B, He Z, Zhou G, Liu S, Zhu W, Chen D, Zou X, Zhou Z. Deciphering postnatal limb development at single-cell resolution. iScience 2022; 26:105808. [PMID: 36619982 PMCID: PMC9813795 DOI: 10.1016/j.isci.2022.105808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/22/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
The early postnatal limb developmental progression bridges embryonic and mature stages and mirrors the pathological remodeling of articular cartilage. However, compared with multitudinous research on embryonic limb development, the early postnatal stage seems relatively unnoticed. Here, a systematic work to portray the postnatal limb developmental landscape was carried out by characterization of 19,952 single cells from murine hindlimbs at 4 postnatal stages using single-cell RNA sequencing technique. By delineation of cell heterogeneity, the candidate progenitor sub-clusters marked by Cd34 and Ly6e were discovered in articular cartilage and enthesis, and three cellular developmental branches marked by Col10a1, Spp1, and Tnni2 were reflected in growth plate. The representative transcriptomes and developmental patterns were intensively explored, and the key regulation mechanisms as well as evolvement in osteoarthritis were discussed. Above all, these results expand horizons of postnatal limb developmental biology and reach the interconnections between limb development, remodeling, and regeneration.
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Affiliation(s)
- Manman Gao
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Department of Sport Medicine, Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen 518035, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China
| | - Xizhe Liu
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Peng Guo
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Jianmin Wang
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Junhong Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Wentao Wang
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | | | - Sibylle Grad
- AO Research Institute Davos, Davos 7270, Switzerland
| | - Zhen Li
- AO Research Institute Davos, Davos 7270, Switzerland
| | - Huachuan Wu
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Baoliang Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Zhongyuan He
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Guangqian Zhou
- Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China
| | - Shaoyu Liu
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Weimin Zhu
- Department of Sport Medicine, Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen 518035, China,Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China,Corresponding author
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Orthopaedics and Traumatology, Beijing JiShuiTan Hospital, Beijing 100035, China,Corresponding author
| | - Xuenong Zou
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Corresponding author
| | - Zhiyu Zhou
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Corresponding author
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20
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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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21
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Satake T, Komura S, Aoki H, Hirakawa A, Imai Y, Akiyama H. Induction of iPSC-derived Prg4-positive cells with characteristics of superficial zone chondrocytes and fibroblast-like synovial cells. BMC Mol Cell Biol 2022; 23:30. [PMID: 35870887 PMCID: PMC9308249 DOI: 10.1186/s12860-022-00431-8] [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: 05/12/2022] [Accepted: 07/11/2022] [Indexed: 11/25/2022] Open
Abstract
Background Lubricin, a proteoglycan encoded by the PRG4 gene, is synthesised by superficial zone (SFZ) chondrocytes and synovial cells. It reduces friction between joints and allows smooth sliding of tendons. Although lubricin has been shown to be effective against osteoarthritis and synovitis in animals, its clinical application remains untested. In this study, we aimed to induce lubricin-expressing cells from pluripotent stem cells (iPSCs) and applied them locally via cell transplantation. Methods To generate iPSCs, OCT3/4, SOX2, KLF4, and L-MYC were transduced into fibroblasts derived from Prg4-mRFP1 transgenic mice. We established a protocol for the differentiation of iPSC-derived Prg4-mRFP1-positive cells and characterised their mRNA expression profile. Finally, we injected Prg4-mRFP1-positive cells into the paratenon, surrounding the Achilles tendons and knee joints of severe combined immunodeficient mice and assessed lubricin expression. Result Wnt3a, activin A, TGF-β1, and bFGF were applied to induce the differentiation of iPSC-derived Prg4-mRFP1-positive cells. Markers related to SFZ chondrocytes and fibroblast-like synovial cells (FLSs) were expressed during differentiation. RNA-sequencing indicated that iPSC-derived Prg4-mRFP1-positive cells manifested expression profiles typical of SFZ chondrocytes and FLSs. Transplanted iPSC-derived Prg4-mRFP1-positive cells survived around the Achilles tendons and in knee joints. Conclusions The present study describes a protocol for the differentiation of iPSC-derived Prg4-positive cells with characteristics of SFZ chondrocytes and FLSs. Transplantation of lubricin-expressing cells offers promise as a therapy against arthritis and synovitis.
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22
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Zhang CH, Gao Y, Hung HH, Zhuo Z, Grodzinsky AJ, Lassar AB. Creb5 coordinates synovial joint formation with the genesis of articular cartilage. Nat Commun 2022; 13:7295. [PMID: 36435829 PMCID: PMC9701237 DOI: 10.1038/s41467-022-35010-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 11/15/2022] [Indexed: 11/28/2022] Open
Abstract
While prior work has established that articular cartilage arises from Prg4-expressing perichondrial cells, it is not clear how this process is specifically restricted to the perichondrium of synovial joints. We document that the transcription factor Creb5 is necessary to initiate the expression of signaling molecules that both direct the formation of synovial joints and guide perichondrial tissue to form articular cartilage instead of bone. Creb5 promotes the generation of articular chondrocytes from perichondrial precursors in part by inducing expression of signaling molecules that block a Wnt5a autoregulatory loop in the perichondrium. Postnatal deletion of Creb5 in the articular cartilage leads to loss of both flat superficial zone articular chondrocytes coupled with a loss of both Prg4 and Wif1 expression in the articular cartilage; and a non-cell autonomous up-regulation of Ctgf. Our findings indicate that Creb5 promotes joint formation and the subsequent development of articular chondrocytes by driving the expression of signaling molecules that both specify the joint interzone and simultaneously inhibit a Wnt5a positive-feedback loop in the perichondrium.
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Affiliation(s)
- Cheng-Hai Zhang
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute at Harvard Medical School, 240 Longwood Ave., Boston, MA, 02115, USA.
| | - Yao Gao
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute at Harvard Medical School, 240 Longwood Ave., Boston, MA, 02115, USA
| | - Han-Hwa Hung
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Zhu Zhuo
- Bioinformatics Core, Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Alan J Grodzinsky
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Andrew B Lassar
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute at Harvard Medical School, 240 Longwood Ave., Boston, MA, 02115, USA.
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23
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The synovial microenvironment suppresses chondrocyte hypertrophy and promotes articular chondrocyte differentiation. NPJ Regen Med 2022; 7:51. [PMID: 36114234 PMCID: PMC9481641 DOI: 10.1038/s41536-022-00247-2] [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: 02/11/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
During the development of the appendicular skeleton, the cartilaginous templates undergo hypertrophic differentiation and remodels into bone, except for the cartilage most adjacent to joint cavities where hypertrophic differentiation and endochondral bone formation are prevented, and chondrocytes instead form articular cartilage. The mechanisms that prevent hypertrophic differentiation and endochondral bone formation of the articular cartilage have not been elucidated. To explore the role of the synovial microenvironment in chondrocyte differentiation, osteochondral allografts consisting of articular cartilage, epiphyseal bone, and growth plate cartilage from distal femoral epiphyses of inbred Lewis rats expressing enhanced green fluorescent protein from a ubiquitous promoter were transplanted either in inverted or original (control) orientation to matching sites in wildtype littermates, thereby allowing for tracing of transplanted cells and their progenies. We found that no hypertrophic differentiation occurred in the growth plate cartilage ectopically placed at the joint surface. Instead, the transplanted growth plate cartilage, with time, remodeled into articular cartilage. This finding suggests that the microenvironment at the articular surface inhibits hypertrophic differentiation and supports articular cartilage formation. To explore this hypothesis, rat chondrocyte pellets were cultured with and without synoviocyte-conditioned media. Consistent with the hypothesis, hypertrophic differentiation was inhibited and expression of the articular surface marker lubricin (Prg4) was dramatically induced when chondrocyte pellets were exposed to synovium- or synoviocyte-conditioned media, but not to chondrocyte- or osteoblast-conditioned media. Taken together, we present evidence for a novel mechanism by which synoviocytes, through the secretion of a factor or factors, act directly on chondrocytes to inhibit hypertrophic differentiation and endochondral bone formation and promote articular cartilage formation. This mechanism may have important implications for articular cartilage development, maintenance, and regeneration.
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24
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Roles of Cartilage-Resident Stem/Progenitor Cells in Cartilage Physiology, Development, Repair and Osteoarthritis. Cells 2022; 11:cells11152305. [PMID: 35892602 PMCID: PMC9332847 DOI: 10.3390/cells11152305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 02/04/2023] Open
Abstract
Osteoarthritis (OA) is a degenerative disease that causes irreversible destruction of articular cartilage for which there is no effective treatment at present. Although articular cartilage lacks intrinsic reparative capacity, numerous studies have confirmed the existence of cartilage-resident stem/progenitor cells (CSPCs) in the superficial zone (SFZ) of articular cartilage. CSPCs are characterized by the expression of mesenchymal stromal cell (MSC)-related surface markers, multilineage differentiation ability, colony formation ability, and migration ability in response to injury. In contrast to MSCs and chondrocytes, CSPCs exhibit extensive proliferative and chondrogenic potential with no signs of hypertrophic differentiation, highlighting them as suitable cell sources for cartilage repair. In this review, we focus on the organizational distribution, markers, cytological features and roles of CSPCs in cartilage development, homeostasis and repair, and the application potential of CSPCs in cartilage repair and OA therapies.
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25
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Fan WJ, Liu D, Pan LY, Wang WY, Ding YL, Zhang YY, Ye RX, Zhou Y, An SB, Xiao WF. Exosomes in osteoarthritis: Updated insights on pathogenesis, diagnosis, and treatment. Front Cell Dev Biol 2022; 10:949690. [PMID: 35959489 PMCID: PMC9362859 DOI: 10.3389/fcell.2022.949690] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 07/04/2022] [Indexed: 01/09/2023] Open
Abstract
Osteoarthritis (OA) has remained a prevalent public health problem worldwide over the past decades. OA is a global challenge because its specific pathogenesis is unclear, and no effective disease-modifying drugs are currently available. Exosomes are small and single-membrane vesicles secreted via the formation of endocytic vesicles and multivesicular bodies (MVBs), which are eventually released when MVBs fuse with the plasma membrane. Exosomes contain various integral surface proteins derived from cells, intercellular proteins, DNAs, RNAs, amino acids, and metabolites. By transferring complex constituents and promoting macrophages to generate chemokines and proinflammatory cytokines, exosomes function in pathophysiological processes in OA, including local inflammation, cartilage calcification and degradation of osteoarthritic joints. Exosomes are also detected in synovial fluid and plasma, and their levels continuously change with OA progression. Thus, exosomes, specifically exosomal miRNAs and lncRNAs, potentially represent multicomponent diagnostic biomarkers for OA. Exosomes derived from various types of mesenchymal stem cells and other cell or tissue types affect angiogenesis, inflammation, and bone remodeling. These exosomes exhibit promising capabilities to restore OA cartilage, attenuate inflammation, and balance cartilage matrix formation and degradation, thus demonstrating therapeutic potential in OA. In combination with biocompatible and highly adhesive materials, such as hydrogels and cryogels, exosomes may facilitate cartilage tissue engineering therapies for OA. Based on numerous recent studies, we summarized the latent mechanisms and clinical value of exosomes in OA in this review.
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Affiliation(s)
- Wen-Jin Fan
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Di Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
| | - Lin-Yuan Pan
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
| | - Wei-Yang Wang
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Yi-Lan Ding
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Yue-Yao Zhang
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Rui-Xi Ye
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Yang Zhou
- Department of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, China,*Correspondence: Yang Zhou, ; Sen-Bo An, ; Wen-Feng Xiao,
| | - Sen-Bo An
- Department of Orthopaedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China,*Correspondence: Yang Zhou, ; Sen-Bo An, ; Wen-Feng Xiao,
| | - Wen-Feng Xiao
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China,*Correspondence: Yang Zhou, ; Sen-Bo An, ; Wen-Feng Xiao,
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26
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Humphreys PA, Mancini FE, Ferreira MJS, Woods S, Ogene L, Kimber SJ. Developmental principles informing human pluripotent stem cell differentiation to cartilage and bone. Semin Cell Dev Biol 2022; 127:17-36. [PMID: 34949507 DOI: 10.1016/j.semcdb.2021.11.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/14/2022]
Abstract
Human pluripotent stem cells can differentiate into any cell type given appropriate signals and hence have been used to research early human development of many tissues and diseases. Here, we review the major biological factors that regulate cartilage and bone development through the three main routes of neural crest, lateral plate mesoderm and paraxial mesoderm. We examine how these routes have been used in differentiation protocols that replicate skeletal development using human pluripotent stem cells and how these methods have been refined and improved over time. Finally, we discuss how pluripotent stem cells can be employed to understand human skeletal genetic diseases with a developmental origin and phenotype, and how developmental protocols have been applied to gain a better understanding of these conditions.
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Affiliation(s)
- Paul A Humphreys
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, University of Manchester, UK
| | - Fabrizio E Mancini
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Miguel J S Ferreira
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, University of Manchester, UK
| | - Steven Woods
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Leona Ogene
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Susan J Kimber
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
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27
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Kim M, Koyama E, Saunders CM, Querido W, Pleshko N, Pacifici M. Synovial joint cavitation initiates with microcavities in interzone and is coupled to skeletal flexion and elongation in developing mouse embryo limbs. Biol Open 2022; 11:bio059381. [PMID: 35608281 PMCID: PMC9212078 DOI: 10.1242/bio.059381] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/16/2022] [Indexed: 11/20/2022] Open
Abstract
The synovial cavity and its fluid are essential for joint function and lubrication, but their developmental biology remains largely obscure. Here, we analyzed E12.5 to E18.5 mouse embryo hindlimbs and discovered that cavitation initiates around E15.0 with emergence of multiple, discrete, µm-wide tissue discontinuities we term microcavities in interzone, evolving into a single joint-wide cavity within 12 h in knees and within 72-84 h in interphalangeal joints. The microcavities were circumscribed by cells as revealed by mTmG imaging and exhibited a carbohydrate and protein content based on infrared spectral imaging at micro and nanoscale. Accounting for differing cavitation kinetics, we found that the growing femur and tibia anlagen progressively flexed at the knee over time, with peak angulation around E15.5 exactly when the full knee cavity consolidated; however, interphalangeal joint geometry changed minimally over time. Indeed, cavitating knee interzone cells were elongated along the flexion angle axis and displayed oblong nuclei, but these traits were marginal in interphalangeal cells. Conditional Gdf5Cre-driven ablation of Has2 - responsible for production of the joint fluid component hyaluronic acid (HA) - delayed the cavitation process. Our data reveal that cavitation is a stepwise process, brought about by sequential action of microcavities, skeletal flexion and elongation, and HA accumulation. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Minwook Kim
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Department of Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Department of Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Cheri M. Saunders
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Department of Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - William Querido
- Department of Bioengineering, Temple University, Philadelphia, PA 19122, USA
| | - Nancy Pleshko
- Department of Bioengineering, Temple University, Philadelphia, PA 19122, USA
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, Department of Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
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Pothiawala A, Sahbazoglu BE, Ang BK, Matthias N, Pei G, Yan Q, Davis BR, Huard J, Zhao Z, Nakayama N. GDF5+ chondroprogenitors derived from human pluripotent stem cells preferentially form permanent chondrocytes. Development 2022; 149:dev196220. [PMID: 35451016 PMCID: PMC9245189 DOI: 10.1242/dev.196220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 04/07/2022] [Indexed: 12/02/2023]
Abstract
It has been established in the mouse model that during embryogenesis joint cartilage is generated from a specialized progenitor cell type, distinct from that responsible for the formation of growth plate cartilage. We recently found that mesodermal progeny of human pluripotent stem cells gave rise to two types of chondrogenic mesenchymal cells in culture: SOX9+ and GDF5+ cells. The fast-growing SOX9+ cells formed in vitro cartilage that expressed chondrocyte hypertrophy markers and readily underwent mineralization after ectopic transplantation. In contrast, the slowly growing GDF5+ cells derived from SOX9+ cells formed cartilage that tended to express low to undetectable levels of chondrocyte hypertrophy markers, but expressed PRG4, a marker of embryonic articular chondrocytes. The GDF5+-derived cartilage remained largely unmineralized in vivo. Interestingly, chondrocytes derived from the GDF5+ cells seemed to elicit these activities via non-cell-autonomous mechanisms. Genome-wide transcriptomic analyses suggested that GDF5+ cells might contain a teno/ligamento-genic potential, whereas SOX9+ cells resembled neural crest-like progeny-derived chondroprogenitors. Thus, human pluripotent stem cell-derived GDF5+ cells specified to generate permanent-like cartilage seem to emerge coincidentally with the commitment of the SOX9+ progeny to the tendon/ligament lineage.
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Affiliation(s)
- Azim Pothiawala
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Berke E. Sahbazoglu
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Bryan K. Ang
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Nadine Matthias
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Guangsheng Pei
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Qing Yan
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Brian R. Davis
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Johnny Huard
- Department of Orthopedic Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Center for Regenerative and Personalized Medicine, Steadman Philippon Research Institute, Vail, CO 81657, USA
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
| | - Naoki Nakayama
- Institute of Molecular Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
- Department of Orthopedic Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA
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29
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Rux D, Helbig K, Han B, Cortese C, Koyama E, Han L, Pacifici M. Primary Cilia Direct Murine Articular Cartilage Tidemark Patterning Through Hedgehog Signaling and Ambulatory Load. J Bone Miner Res 2022; 37:1097-1116. [PMID: 35060644 PMCID: PMC9177786 DOI: 10.1002/jbmr.4506] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 01/01/2022] [Accepted: 01/08/2022] [Indexed: 11/06/2022]
Abstract
Articular cartilage (AC) is essential for body movement but is highly susceptible to degenerative diseases and has poor self-repair capacity. To improve current subpar regenerative treatments, developmental mechanisms of AC should be clarified and, specifically, how its postnatal multizone organization is acquired. Primary cilia are cell surface organelles crucial for mammalian tissue morphogenesis. Although their importance for chondrocyte function is appreciated, their specific roles in postnatal AC morphogenesis remain unclear. To explore these mechanisms, we used a murine conditional loss-of-function approach (Ift88-flox) targeting joint-lineage progenitors (Gdf5Cre) and monitored postnatal knee AC development. Joint formation and growth up to juvenile stages were largely unaffected. However, mature AC (aged 2 months) exhibited disorganized extracellular matrix, decreased aggrecan and collagen II due to reduced gene expression (not increased catabolism), and marked reduction of AC modulus by 30%-50%. In addition, and unexpectedly, we discovered that tidemark patterning was severely disrupted, as was hedgehog signaling, and exhibited specificity based on regional load-bearing functions of AC. Interestingly, Prg4 expression was markedly increased in highly loaded sites in mutants. Together, our data provide evidence that primary cilia orchestrate postnatal AC morphogenesis including tidemark topography, zonal matrix composition, and ambulation load responses. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Danielle Rux
- Translational Research Program in Pediatric Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Kimberly Helbig
- Translational Research Program in Pediatric Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Biao Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA
| | - Courtney Cortese
- Translational Research Program in Pediatric Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA, USA
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
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30
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Abstract
The superficial zone of articular cartilage contributes to smooth joint motion through the production of proteoglycan 4 (PRG4), also known as lubricin. Recent studies indicate novel effects of PRG4 as a signaling molecule, other than a simple extracellular matrix protein. Additionally, the accumulating evidence displays that various molecules and signaling pathways are involved in regulating the superficial zone and PRG4 expression. In addition, Prg4-expressing cells include a progenitor population of articular chondrocytes. Several non-clinical and clinical studies have shown that PRG4 and related molecules are promising candidates for disease-modifying drugs for treating osteoarthritis. Since PRG4 is also expressed in the synovium, tendons, and ligaments, further studies of PRG4-related pathways and PRG4-positive cells may elucidate the mechanisms underlying joint homeostasis.
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31
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Tian Z, Shofer FS, Sandroni AZ, Zhao L, Scanzello CR, Zhang Y. Expression of Human Interleukin 8 in Mice Alters Their Natural Behaviors. J Inflamm Res 2022; 15:2413-2424. [PMID: 35444450 PMCID: PMC9013918 DOI: 10.2147/jir.s355669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 04/04/2022] [Indexed: 02/05/2023] Open
Abstract
Objective To examine the effects of human interleukin (IL) 8 expression on mouse behavior. Methods A mouse line expressing human IL8 in the intervertebral discs (IVD) and cartilaginous tissues (hIL8+ ) was generated. Mouse spontaneous behaviors, including locomotion, climbing, rearing, grooming, eating, drinking, and immobility were recorded with a fully automatic, non-invasive platform. Results Distance traveled by the hIL8+ mice declined with age compared with control littermates, and male hIL8+ mice traveled a shorter distance than male controls and females of either genotype (p <0.05). The hIL8+ mice also spent less time in locomotion than control mice (p <0.01), and male hIL8+ mice spent the least amount of time and had lowest count in locomotion compared with the other 3 groups at 12 weeks of age or greater (p <0.05). The hIL8+ mice spent less time climbing than controls, and male mice spent less time climbing than female mice of the same genotype (p <0.01). The hIL8+ mice spent more time eating and less time drinking than controls, and all mice spent less time eating and more time drinking with increasing age. Finally, hIL8+ mice spent more time immobile than controls, and male hIL8+ mice spent more time immobile than any other group (p <0.05). Conclusion The hIL8+ mice, especially hIL8+ males, showed reduced ambulation and climbing. Mice showed age-related decrease in eating and increase in drinking and grooming time that was also influenced by expression of hIL8. These changes in natural behaviors in control mice are consistent with functional decline with age. Effects of hIL8 superimposed on the natural aging process could involve systemic (e.g., on the brain) and local (e.g., in the spine and joint tissues) mechanisms. Future exploration of these mechanisms might be productive.
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Affiliation(s)
- Zuozhen Tian
- Department of Physical Medicine & Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Frances S Shofer
- Department of Physical Medicine & Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia, PA, USA,Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Alec Z Sandroni
- Department of Physical Medicine & Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
| | - Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Carla R Scanzello
- Division of Rheumatology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA,Section of Rheumatology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA
| | - Yejia Zhang
- Department of Physical Medicine & Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia, PA, USA,Section of Rehabilitation Medicine, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA, USA,Correspondence: Yejia Zhang, Department of Physical Medicine & Rehabilitation, Hospital of the University of Pennsylvania, Philadelphia, PA, USA, Email ;
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32
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Zeng Z, Dai Y, Deng S, Zou S, Dou T, Wei F. Synovial mesenchymal stem cell-derived extracellular vesicles alleviate chondrocyte damage during osteoarthritis through microRNA-130b-3p-mediated inhibition of the LRP12/AKT/β-catenin axis. Immunopharmacol Immunotoxicol 2022; 44:247-260. [PMID: 35174753 DOI: 10.1080/08923973.2022.2038192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Synovial mesenchymal stem cells (SMSCs) have been discussed as promising tools for protecting chondrocytes from loss and inhibiting osteoarthritis (OA). This work infocuses on the function of SMSC-derived extracellular vesicles (EVs) in chondrocytes during OA and the molecular mechanism. METHODS EVs were extracted from SMSCs and identified. Chondrocytes were treated with interleukin (IL)-1β to induce an OA-like condition in vitro and then treated with EVs. The proliferation, apoptosis, migration, extracellular matrix (ECM) degradation and inflammation in chondrocytes were examined. Key microRNAs (miRNAs) carried by EVs were screened using a microarray analysis, and the downstream molecules involved were explored using bioinformatic analysis. Rescue experiments were performed to validate the involvements of these molecules in EV-mediated events. RESULTS EVs restored proliferation and migration while reduced apoptosis, ECM degradation and the secretion of pro-inflammatory cytokines in chondrocytes induced by IL-1β. miR-130b-3p was significantly elevated in chondrocytes after EVs treatment. Knockdown of miR-130b-3p blocked the protective roles of EVs against IL-1β-induced damage to chondrocytes. miR-130b-3p was found to target LDL receptor related protein 12 (LRP12) mRNA in chondrocytes. Overexpression of LRP12 counteracted the effects of EVs as well and activated the AKT/β-catenin signaling pathway. CONCLUSION This study provided evidence that EVs alleviate chondrocyte damage during OA through miR-130b-3p-mediated inhibition of the LRP12/AKT/β-catenin axis. This study may offer novel thoughts into the protection of chondrocytes and the management of OA.
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Affiliation(s)
- Zhenhua Zeng
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
| | - Yi Dai
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
| | - Shuo Deng
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
| | - Sanbao Zou
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
| | - Tingyang Dou
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
| | - Feng Wei
- Department of Pain, the First People's Hospital of Jiashan County, Jiaxing, Zhejiang, P.R. China
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33
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Lan R, Ge D, Liu YZ, You Z. Dcx expression defines a subpopulation of Gdf5 + cells with chondrogenic potentials in E12.5 mouse embryonic limbs. Biochem Biophys Rep 2022; 29:101200. [PMID: 35036586 PMCID: PMC8749014 DOI: 10.1016/j.bbrep.2022.101200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/14/2021] [Accepted: 01/03/2022] [Indexed: 10/28/2022] Open
Abstract
Growth differentiation factor 5 (Gdf5) and doublecortin (Dcx) genes are both expressed in joint interzone cells during synovial joint development. In this study, we re-analyzed the single cell RNA-sequencing data (Gene Expression Omnibus GSE151985) generated from Gdf5 + cells of mouse knee joints at embryonic stages of E12.5, E13.5, E14.5, and E15.5, with a new focus on Dcx. We found that Dcx expression was enriched in clusters of Gdf5 + cells, with high expression levels of pro-chondrogenic genes including sex determining region Y-box transcription factor 5 (Sox5), Sox6, Sox9, Gdf5, versican, matrilin 4, collagen type II α 1 chain (Col2a1), Col9a1, Col9a2, and Col9a3 at E12.5. Dcx + and Dcx - cells had differential gene expression profiles. The up-regulated genes in Dcx + vs. Dcx - cells at E12.5 and E13.5 were enriched in chondrocyte differentiation and cartilage development, whereas those genes up-regulated at E14.5 and E15.5 were enriched in RNA splicing, protein stability, cell proliferation, and cell growth. Gene expression profiles in Dcx + cells showed rapid daily changes from E12.5 to E15.5, with limited number of genes shared across the time period. Expression of Gdf5, Sox5, Sox6, melanoma inhibitory activity, noggin, odd-skipped related transcription factor 2, matrilin 4, and versican was positively correlated with Dcx expression. Our results demonstrate that Dcx expression defines a subpopulation of Gdf5 + cells with chondrogenic potentials in E12.5 mouse embryonic limbs.
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Affiliation(s)
- Ruoxin Lan
- Department of Biostatistics and Data Science, School of Public Health and Tropic Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Dongxia Ge
- Department of Structural & Cellular Biology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Orthopaedic Surgery, School of Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Yao-Zhong Liu
- Department of Biostatistics and Data Science, School of Public Health and Tropic Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Zongbing You
- Department of Structural & Cellular Biology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Orthopaedic Surgery, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Research Service, Southeast Louisiana Veterans Health Care System, New Orleans, LA, 70119, USA.,Tulane Cancer Center and Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA, 70112, USA.,Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University, New Orleans, LA, 70112, USA.,Tulane Center for Aging, Tulane University, New Orleans, LA, 70112, USA
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34
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Towler OW, Shore EM. BMP signaling and skeletal development in fibrodysplasia ossificans progressiva (FOP). Dev Dyn 2022; 251:164-177. [PMID: 34133058 PMCID: PMC9068236 DOI: 10.1002/dvdy.387] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/07/2021] [Accepted: 05/20/2021] [Indexed: 01/03/2023] Open
Abstract
Fibrodysplasia ossificans progressiva (FOP) is an ultra-rare genetic disease caused by increased BMP pathway signaling due to mutation of ACVR1, a bone morphogenetic protein (BMP) type 1 receptor. The primary clinical manifestation of FOP is extra-skeletal bone formation (heterotopic ossification) within soft connective tissues. However, the underlying ACVR1 mutation additionally alters skeletal bone development and nearly all people born with FOP have bilateral malformation of the great toes as well as other skeletal malformations at diverse anatomic sites. The specific mechanisms through which ACVR1 mutations and altered BMP pathway signaling in FOP influence skeletal bone formation during development remain to be elucidated; however, recent investigations are providing a clearer understanding of the molecular and developmental processes associated with ACVR1-regulated skeletal formation.
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Affiliation(s)
- Oscar Will Towler
- The Center for Research in FOP & Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA,Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Eileen M. Shore
- The Center for Research in FOP & Related Disorders, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA,Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA,Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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35
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Ge D, O'Brien MJ, Savoie FH, Gimble JM, Wu X, Gilbert MH, Clark-Patterson GL, Schuster JD, Miller KS, Wang A, Myers L, You Z. Human adipose-derived stromal/stem cells expressing doublecortin improve cartilage repair in rabbits and monkeys. NPJ Regen Med 2021; 6:82. [PMID: 34848747 PMCID: PMC8633050 DOI: 10.1038/s41536-021-00192-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 10/29/2021] [Indexed: 11/25/2022] Open
Abstract
Localized cartilage lesions in early osteoarthritis and acute joint injuries are usually treated surgically to restore function and relieve pain. However, a persistent clinical challenge remains in how to repair the cartilage lesions. We expressed doublecortin (DCX) in human adipose-derived stromal/stem cells (hASCs) and engineered hASCs into cartilage tissues using an in vitro 96-well pellet culture system. The cartilage tissue constructs with and without DCX expression were implanted in the knee cartilage defects of rabbits (n = 42) and monkeys (n = 12). Cohorts of animals were euthanized at 6, 12, and 24 months after surgery to evaluate the cartilage repair outcomes. We found that DCX expression in hASCs increased expression of growth differentiation factor 5 (GDF5) and matrilin 2 in the engineered cartilage tissues. The cartilage tissues with DCX expression significantly enhanced cartilage repair as assessed macroscopically and histologically at 6, 12, and 24 months after implantation in the rabbits and 24 months after implantation in the monkeys, compared to the cartilage tissues without DCX expression. These findings suggest that hASCs expressing DCX may be engineered into cartilage tissues that can be used to treat localized cartilage lesions.
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Affiliation(s)
- Dongxia Ge
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Michael J O'Brien
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Felix H Savoie
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Jeffrey M Gimble
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA
- LaCell LLC and Obatala Sciences Inc., New Orleans, LA, USA
- Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA, USA
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, LA, USA
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Xiying Wu
- LaCell LLC and Obatala Sciences Inc., New Orleans, LA, USA
| | - Margaret H Gilbert
- Tulane National Primate Research Center, Tulane University, New Orleans, LA, USA
| | | | - Jason D Schuster
- Department of Biomedical Engineering, Tulane University, New Orleans, LA, USA
| | - Kristin S Miller
- Department of Biomedical Engineering, Tulane University, New Orleans, LA, USA
| | - Alun Wang
- Department of Pathology and Laboratory Medicine, Tulane University School of Medicine, New Orleans, LA, USA
| | - Leann Myers
- Department of Biostatistics and Data Science, Tulane University School of Public Health and Tropic Medicine, New Orleans, LA, USA
| | - Zongbing You
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA.
- Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, LA, USA.
- Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA, USA.
- Tulane Cancer Center and Louisiana Cancer Research Consortium, Tulane University School of Medicine, New Orleans, LA, USA.
- Tulane Center for Aging, Tulane University School of Medicine, New Orleans, LA, USA.
- Southeast Louisiana Veterans Health Care System, New Orleans, LA, USA.
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36
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Symons RA, Colella F, Collins FL, Rafipay AJ, Kania K, McClure JJ, White N, Cunningham I, Ashraf S, Hay E, Mackenzie KS, Howard KA, Riemen AHK, Manzo A, Clark SM, Roelofs AJ, De Bari C. Targeting the IL-6-Yap-Snail signalling axis in synovial fibroblasts ameliorates inflammatory arthritis. Ann Rheum Dis 2021; 81:214-224. [PMID: 34844926 PMCID: PMC8762018 DOI: 10.1136/annrheumdis-2021-220875] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 10/04/2021] [Indexed: 01/02/2023]
Abstract
Objective We aimed to understand the role of the transcriptional co-factor Yes-associated protein (Yap) in the molecular pathway underpinning the pathogenic transformation of synovial fibroblasts (SF) in rheumatoid arthritis (RA) to become invasive and cause joint destruction. Methods Synovium from patients with RA and mice with antigen-induced arthritis (AIA) was analysed by immunostaining and qRT-PCR. SF were targeted using Pdgfrα-CreER and Gdf5-Cre mice, crossed with fluorescent reporters for cell tracing and Yap-flox mice for conditional Yap ablation. Fibroblast phenotypes were analysed by flow cytometry, and arthritis severity was assessed by histology. Yap activation was detected using Yap–Tead reporter cells and Yap–Snail interaction by proximity ligation assay. SF invasiveness was analysed using matrigel-coated transwells. Results Yap, its binding partner Snail and downstream target connective tissue growth factor were upregulated in hyperplastic human RA and in mouse AIA synovium, with Yap detected in SF but not macrophages. Lineage tracing showed polyclonal expansion of Pdgfrα-expressing SF during AIA, with predominant expansion of the Gdf5-lineage SF subpopulation descending from the embryonic joint interzone. Gdf5-lineage SF showed increased expression of Yap and adopted an erosive phenotype (podoplanin+Thy-1 cell surface antigen−), invading cartilage and bone. Conditional ablation of Yap in Gdf5-lineage cells or Pdgfrα-expressing fibroblasts ameliorated AIA. Interleukin (IL)-6, but not tumour necrosis factor alpha (TNF-α) or IL-1β, Jak-dependently activated Yap and induced Yap–Snail interaction. SF invasiveness induced by IL-6 stimulation or Snail overexpression was prevented by Yap knockdown, showing a critical role for Yap in SF transformation in RA. Conclusions Our findings uncover the IL-6–Yap–Snail signalling axis in pathogenic SF in inflammatory arthritis.
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Affiliation(s)
- Rebecca A Symons
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Fabio Colella
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Fraser L Collins
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Alexandra J Rafipay
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Karolina Kania
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Jessica J McClure
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Nathan White
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Iain Cunningham
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Sadaf Ashraf
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Elizabeth Hay
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Kevin S Mackenzie
- Microscopy and Histology Core Facility, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Kenneth A Howard
- Interdisciplinary Nanoscience Center (iNANO), Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Anna H K Riemen
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Antonio Manzo
- Rheumatology and Translational Immunology Research Laboratories (LaRIT), Division of Rheumatology, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia, Italy
| | - Susan M Clark
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Anke J Roelofs
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Cosimo De Bari
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
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Long-term repair of porcine articular cartilage using cryopreservable, clinically compatible human embryonic stem cell-derived chondrocytes. NPJ Regen Med 2021; 6:77. [PMID: 34815400 PMCID: PMC8611001 DOI: 10.1038/s41536-021-00187-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 10/19/2021] [Indexed: 02/05/2023] Open
Abstract
Osteoarthritis (OA) impacts hundreds of millions of people worldwide, with those affected incurring significant physical and financial burdens. Injuries such as focal defects to the articular surface are a major contributing risk factor for the development of OA. Current cartilage repair strategies are moderately effective at reducing pain but often replace damaged tissue with biomechanically inferior fibrocartilage. Here we describe the development, transcriptomic ontogenetic characterization and quality assessment at the single cell level, as well as the scaled manufacturing of an allogeneic human pluripotent stem cell-derived articular chondrocyte formulation that exhibits long-term functional repair of porcine articular cartilage. These results define a new potential clinical paradigm for articular cartilage repair and mitigation of the associated risk of OA.
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Huang BL, Mackem S. Rethinking positional information and digit identity: The role of late interdigit signaling. Dev Dyn 2021; 251:1414-1422. [PMID: 34811837 DOI: 10.1002/dvdy.440] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 12/22/2022] Open
Abstract
Seminal work from John Fallon's lab has illuminated how digit identity determination involves ongoing late regulation and occurs progressively during phalanx formation. Complementary genetic analyses in mice and several papers in this special issue have begun to flesh out how interdigit signaling accomplishes this, but major questions remain unaddressed, including how uncommitted progenitors from which phalanges arise are maintained, and what factors set limits on digit extension and phalanx number, particularly in mammals. This review summarizes what has been learned in the two decades since control of digit identity by late interdigit signals was first identified and what remains poorly understood, and will hopefully spark renewed interest in a process that is critical to evolutionary limb adaptations but nevertheless remains enigmatic.
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Affiliation(s)
- Bau-Lin Huang
- Cancer and Developmental Biology Laboratory, CCR, NCI, Frederick, Maryland, USA
| | - Susan Mackem
- Cancer and Developmental Biology Laboratory, CCR, NCI, Frederick, Maryland, USA
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Molfetta L, Casabella A, Rosini S, Saviola G, Palermo A. Role of the osteochondral unit in the pathogenesis of osteoarthritis: focus on the potential use of clodronate. Curr Rheumatol Rev 2021; 18:2-11. [PMID: 34615451 DOI: 10.2174/1573397117666211006094117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 03/10/2021] [Accepted: 07/20/2021] [Indexed: 11/22/2022]
Abstract
Osteoarthritis (OA) is a chronic disease characterized by inflammation and progressive deterioration of the joint. The etiology of OA includes genetic, phlogistic, dismetabolic and mechanical factors. Historically, cartilage was considered the target of the disease and therapy was aimed at protecting and lubricating the articular cartilage. The osteochondral unit is composed of articular cartilage, calcified cartilage, and subchondral and trabecular bone, which work synergistically to support the functional loading of the joint. Numerous studies today show that OA involves the osteochondral unit, with the participation therefore of the bone in the starting and progression of the disease, which is associated with chondropathy. Cytokines involved in the process leading to cartilage damage are also mediators of subchondral bone edema. Therefore, OA therapy must be based on the use of painkillers and bisphosphonates for both the control of osteometabolic damage and its analgesic activity. Monitoring of the disease of the osteochondral unit must be extensive, since bone marrow edema can be considered as a marker of the evolution of OA. In the present review we discuss some of the pathogenetic mechanisms associated with osteoarthritis, with particular focus on the osteochondral unit and the use of clodronate.
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Affiliation(s)
- Luigi Molfetta
- DISC Department of Integrated Surgical and Diagnostic science, School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa. Italy
| | - Andrea Casabella
- DiMI Department of Internal Medicine Osteoporosis, Bone and Joint Disease Research Center, CROPO, Geno. Italy
| | | | - Gianantonio Saviola
- Istituti Clinici Scientifici Maugeri IRCCS, Rheumatology and Rehabilitation Unit of the Institute of Castel Goffredo, Mantua. Italy
| | - Andrea Palermo
- IRCCS Auxologico Italian Institute - 3 Unit of Orthopaedic Surgery - Capitanio Hospital, Milan. Italy
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Dou Z, Muder D, Baroncelli M, Bendre A, Gkourogianni A, Ottosson L, Vedung T, Nilsson O. Rat perichondrium transplanted to articular cartilage defects forms articular-like, hyaline cartilage. Bone 2021; 151:116035. [PMID: 34111644 DOI: 10.1016/j.bone.2021.116035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/28/2021] [Accepted: 06/03/2021] [Indexed: 01/23/2023]
Abstract
OBJECTIVE Perichondrium autotransplants have been used to reconstruct articular surfaces destroyed by infection or trauma. However, the role of the transplanted perichondrium in the healing of resurfaced joints has not been investigated. DESIGN Perichondrial and periosteal tissues were harvested from rats hemizygous for a ubiquitously expressed enhanced green fluorescent protein (EGFP) transgene and transplanted into full-thickness articular cartilage defects at the trochlear groove of distal femur in wild-type littermates. As an additional control, cartilage defects were left without a transplant (no transplant control). Distal femurs were collected 3, 14, 56, 112 days after surgery. RESULTS Tracing of transplanted cells showed that both perichondrium and periosteum transplant-derived cells made up the large majority of the cells in the regenerated joint surfaces. Perichondrium transplants contained SOX9 positive cells and with time differentiated into a hyaline cartilage that expanded and filled out the defects with Col2a1-positive and Col1a1-negative chondrocytes and a matrix rich in proteoglycans. At later timepoints the cartilaginous perichondrium transplants were actively remodeled into bone at the transplant-bone interface and at post-surgery day 112 EGFP-positive perichondrium cells at the articular surface were positive for Prg4. Periosteum transplants initially lacked SOX9 expression and despite a transient increase in SOX9 expression and chondrogenic differentiation, remained Col1a1 positive, and were continuously thinning as periosteum-derived cells were incorporated into the subchondral compartment. CONCLUSIONS Perichondrium and periosteum transplanted to articular cartilage defects did not just stimulate regeneration but were themselves transformed into cartilaginous articular surfaces. Perichondrium transplants developed into an articular-like, hyaline cartilage, whereas periosteum transplants appeared to produce a less resilient fibro-cartilage.
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Affiliation(s)
- Zelong Dou
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
| | - Daniel Muder
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; Department of Orthopedics, Falu Lasarett, Lasarettsvägen 10, 791 82, Falun, Sweden
| | - Marta Baroncelli
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
| | - Ameya Bendre
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
| | - Alexandra Gkourogianni
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
| | - Lars Ottosson
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden
| | - Torbjörn Vedung
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden; Elisabeth Hospital, Aleris Healthcare, Uppsala, Sweden
| | - Ola Nilsson
- Division of Pediatric Endocrinology and Center for Molecular Medicine, L8:01, Department of Women's and Children's Health, Karolinska Institutet and University Hospital, Stockholm, Sweden; School of Medical Sciences, Örebro University and University Hospital, Örebro, Sweden.
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Rubin S, Agrawal A, Stegmaier J, Krief S, Felsenthal N, Svorai J, Addadi Y, Villoutreix P, Stern T, Zelzer E. Application of 3D MAPs pipeline identifies the morphological sequence chondrocytes undergo and the regulatory role of GDF5 in this process. Nat Commun 2021; 12:5363. [PMID: 34508093 PMCID: PMC8433335 DOI: 10.1038/s41467-021-25714-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 08/19/2021] [Indexed: 02/08/2023] Open
Abstract
The activity of epiphyseal growth plates, which drives long bone elongation, depends on extensive changes in chondrocyte size and shape during differentiation. Here, we develop a pipeline called 3D Morphometric Analysis for Phenotypic significance (3D MAPs), which combines light-sheet microscopy, segmentation algorithms and 3D morphometric analysis to characterize morphogenetic cellular behaviors while maintaining the spatial context of the growth plate. Using 3D MAPs, we create a 3D image database of hundreds of thousands of chondrocytes. Analysis reveals broad repertoire of morphological changes, growth strategies and cell organizations during differentiation. Moreover, identifying a reduction in Smad 1/5/9 activity together with multiple abnormalities in cell growth, shape and organization provides an explanation for the shortening of Gdf5 KO tibias. Overall, our findings provide insight into the morphological sequence that chondrocytes undergo during differentiation and highlight the ability of 3D MAPs to uncover cellular mechanisms that may regulate this process.
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Affiliation(s)
- Sarah Rubin
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Ankit Agrawal
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Johannes Stegmaier
- Institute of Imaging and Computer Vision, RWTH Aachen University, Aachen, Germany
- Institute for Automation and Applied Informatics, Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - Sharon Krief
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Neta Felsenthal
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Jonathan Svorai
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Yoseph Addadi
- Department of Life Science Core Facilities, Weizmann Institute of Science, Rehovot, Israel
| | - Paul Villoutreix
- LIS (UMR 7020), IBDM (UMR 7288), Turing Center For Living Systems, Aix-Marseille University, Marseille, France.
| | - Tomer Stern
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.
| | - Elazar Zelzer
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel.
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Application of Stem Cell Therapy for ACL Graft Regeneration. Stem Cells Int 2021; 2021:6641818. [PMID: 34381504 PMCID: PMC8352687 DOI: 10.1155/2021/6641818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 02/19/2021] [Accepted: 06/30/2021] [Indexed: 02/07/2023] Open
Abstract
Graft regeneration after anterior cruciate ligament (ACL) reconstruction surgery is a complex three-stage process, which usually takes a long duration and often results in fibrous scar tissue formation that exerts a detrimental impact on the patients' prognosis. Hence, as a regeneration technique, stem cell transplantation has attracted increasing attention. Several different stem cell types have been utilized in animal experiments, and almost all of these have shown good capacity in improving tendon-bone regeneration. Various differentiation inducers have been widely applied together with stem cells to enhance specific lineage differentiation, such as recombinant gene transfection, growth factors, and biomaterials. Among the various different types of stem cells, bone marrow-derived mesenchymal stem cells (BMSCs) have been investigated the most, while ligament stem progenitor cells (LDSCs) have demonstrated the best potential in generating tendon/ligament lineage cells. In the clinic, 4 relevant completed trials have been reported, but only one trial with BMSCs showed improved outcomes, while 5 relevant trials are still in progress. This review describes the process of ACL graft regeneration after implantation and summarizes the current application of stem cells from bench to bedside, as well as discusses future perspectives in this field.
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Rauch A, Mandrup S. Transcriptional networks controlling stromal cell differentiation. Nat Rev Mol Cell Biol 2021; 22:465-482. [PMID: 33837369 DOI: 10.1038/s41580-021-00357-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2021] [Indexed: 02/02/2023]
Abstract
Stromal progenitors are found in many different tissues, where they play an important role in the maintenance of tissue homeostasis owing to their ability to differentiate into parenchymal cells. These progenitor cells are differentially pre-programmed by their tissue microenvironment but, when cultured and stimulated in vitro, these cells - commonly referred to as mesenchymal stromal cells (MSCs) - exhibit a marked plasticity to differentiate into many different cell lineages. Loss-of-function studies in vitro and in vivo have uncovered the involvement of specific signalling pathways and key transcriptional regulators that work in a sequential and coordinated fashion to activate lineage-selective gene programmes. Recent advances in omics and single-cell technologies have made it possible to obtain system-wide insights into the gene regulatory networks that drive lineage determination and cell differentiation. These insights have important implications for the understanding of cell differentiation, the contribution of stromal cells to human disease and for the development of cell-based therapeutic applications.
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Affiliation(s)
- Alexander Rauch
- Molecular Endocrinology & Stem Cell Research Unit (KMEB), Department of Endocrinology and Metabolism, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark. .,Steno Diabetes Center Odense, Odense University Hospital, Odense, Denmark.
| | - Susanne Mandrup
- Center for Functional Genomics and Tissue Plasticity, Functional Genomics & Metabolism Research Unit, Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.
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Koyama E, Mundy C, Saunders C, Chung J, Catheline SE, Rux D, Iwamoto M, Pacifici M. Premature Growth Plate Closure Caused by a Hedgehog Cancer Drug Is Preventable by Co-Administration of a Retinoid Antagonist in Mice. J Bone Miner Res 2021; 36:1387-1402. [PMID: 33724538 PMCID: PMC9661967 DOI: 10.1002/jbmr.4291] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/25/2021] [Accepted: 03/12/2021] [Indexed: 12/15/2022]
Abstract
The growth plates are key engines of skeletal development and growth and contain a top reserve zone followed by maturation zones of proliferating, prehypertrophic, and hypertrophic/mineralizing chondrocytes. Trauma or drug treatment of certain disorders can derange the growth plates and cause accelerated maturation and premature closure, one example being anti-hedgehog drugs such as LDE225 (Sonidegib) used against pediatric brain malignancies. Here we tested whether such acceleration and closure in LDE225-treated mice could be prevented by co-administration of a selective retinoid antagonist, based on previous studies showing that retinoid antagonists can slow down chondrocyte maturation rates. Treatment of juvenile mice with an experimental dose of LDE225 for 2 days (100 mg/kg by gavage) initially caused a significant shortening of long bone growth plates, with concomitant decreases in chondrocyte proliferation; expression of Indian hedgehog, Sox9, and other key genes; and surprisingly, the number of reserve progenitors. Growth plate involution followed with time, leading to impaired long bone lengthening. Mechanistically, LDE225 treatment markedly decreased the expression of retinoid catabolic enzyme Cyp26b1 within growth plate, whereas it increased and broadened the expression of retinoid synthesizing enzyme Raldh3, thus subverting normal homeostatic retinoid circuitries and in turn accelerating maturation and closure. All such severe skeletal and molecular changes were prevented when LDE-treated mice were co-administered the selective retinoid antagonist CD2665 (1.5 mg/kg/d), a drug targeting retinoid acid receptor γ, which is most abundantly expressed in growth plate. When given alone, CD2665 elicited the expected maturation delay and growth plate expansion. In vitro data showed that LDE225 acted directly to dampen chondrogenic phenotypic expression, a response fully reversed by CD2665 co-treatment. In sum, our proof-of-principle data indicate that drug-induced premature growth plate closures can be prevented or delayed by targeting a separate phenotypic regulatory mechanism in chondrocytes. The translation applicability of the findings remains to be studied. © 2021 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Christina Mundy
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Cheri Saunders
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Juliet Chung
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Sarah E. Catheline
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Danielle Rux
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
| | - Masahiro Iwamoto
- Department of Orthopaedic Surgery, School of Medicine, University of Maryland, Baltimore, Maryland 21201
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104
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Ozeki N, Nakagawa Y, Mizuno M, Kohno Y, Katano H, Koga H, Sekiya I. Ultrasound-Guided Harvesting of Synovium for Regenerative Medicine of Cartilage and Meniscus Using Synovial Mesenchymal Stem Cells. Arthrosc Tech 2021; 10:e1723-e1727. [PMID: 34336570 PMCID: PMC8322568 DOI: 10.1016/j.eats.2021.03.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/09/2021] [Indexed: 02/03/2023] Open
Abstract
Mesenchymal stem cell (MSC) therapy for cartilage or meniscus pathologies, including osteoarthritis, requires the easy and safe collection of MSC source materials. Synovial MSCs are attractive cell sources for joint pathology because of their high proliferative and chondrogenic potential in vitro and in vivo. We developed an ultrasound-guided harvesting procedure for synovium for the regenerative medicine of cartilage and meniscus. A ∼1-cm skin incision is made at the proximal side of the patellae, and a forceps is inserted under ultrasound guidance of the suprapatellar pouch to grasp the synovium. Here, several synovium samples were retrieved and transported sterilely for culture at the cell-processing facility. After a 14-day culture of the nucleated cells, crystal violet confirmed colony formation. Cell growth was enough for MSC therapy of joint pathology (0.89 ± 0.06 × 106 cells/dish). No adverse events occurred during synovium harvesting. A key advantage of this procedure is its minimal invasiveness, as synovium is harvested from a 1-cm skin incision in the knee joint. A disadvantage is the possible risk of hemostasis, as arresting bleeding at the synovial harvest site is difficult, even though the suprapatellar pouch contains no major vessels.
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Affiliation(s)
- Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine, Tokyo, Japan,Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Yusuke Nakagawa
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan,Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Mitsuru Mizuno
- Center for Stem Cell and Regenerative Medicine, Tokyo, Japan
| | - Yuji Kohno
- Center for Stem Cell and Regenerative Medicine, Tokyo, Japan,Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Hisako Katano
- Center for Stem Cell and Regenerative Medicine, Tokyo, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan,Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo, Japan,Department of Orthopaedic Surgery, Tokyo Medical and Dental University Hospital of Medicine, Tokyo, Japan,Address correspondence to Ichiro Sekiya, M.D., Ph.D., Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510 Japan.
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46
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Rux D, Helbig K, Koyama E, Pacifici M. Hox11 expression characterizes developing zeugopod synovial joints and is coupled to postnatal articular cartilage morphogenesis into functional zones in mice. Dev Biol 2021; 477:49-63. [PMID: 34010606 DOI: 10.1016/j.ydbio.2021.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/07/2021] [Accepted: 05/10/2021] [Indexed: 11/26/2022]
Abstract
Previous studies on mouse embryo limbs have established that interzone mesenchymal progenitor cells emerging at each prescribed joint site give rise to joint tissues over fetal time. These incipient tissues undergo structural maturation and morphogenesis postnatally, but underlying mechanisms of regulation remain unknown. Hox11 genes dictate overall zeugopod musculoskeletal patterning and skeletal element identities during development. Here we asked where these master regulators are expressed in developing limb joints and whether they are maintained during postnatal zeugopod joint morphogenesis. We found that Hoxa11 was predominantly expressed and restricted to incipient wrist and ankle joints in E13.5 mouse embryos, and became apparent in medial and central regions of knees by E14.5, though remaining continuously dormant in elbow joints. Closer examination revealed that Hoxa11 initially characterized interzone and neighboring cells and was then restricted to nascent articular cartilage, intra joint ligaments and structures such as meniscal horns over prenatal time. Postnatally, articular cartilage progresses from a nondescript cell-rich, matrix-poor tissue to a highly structured, thick, zonal and mechanically competent tissue with chondrocyte columns over time, most evident at sites such as the tibial plateau. Indeed, Hox11 expression (primarily Hoxa11) was intimately coupled to such morphogenetic processes and, in particular, to the topographical rearrangement of chondrocytes into columns within the intermediate and deep zones of tibial plateau that normally endures maximal mechanical loads. Revealingly, these expression patterns were maintained even at 6 months of age. In sum, our data indicate that Hox11 genes remain engaged well beyond embryonic synovial joint patterning and are specifically tied to postnatal articular cartilage morphogenesis into a zonal and resilient tissue. The data demonstrate that Hox11 genes characterize adult, terminally differentiated, articular chondrocytes and maintain region-specificity established in the embryo.
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Affiliation(s)
- Danielle Rux
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Kimberly Helbig
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Eiki Koyama
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Maurizio Pacifici
- Translational Research Program in Pediatric Orthopaedics, Division of Orthopaedic Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
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Trib1 promotes acute myeloid leukemia progression by modulating the transcriptional programs of Hoxa9. Blood 2021; 137:75-88. [PMID: 32730594 DOI: 10.1182/blood.2019004586] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 07/13/2020] [Indexed: 12/13/2022] Open
Abstract
The pseudokinase Trib1 functions as a myeloid oncogene that recruits the E3 ubiquitin ligase COP1 to C/EBPα and interacts with MEK1 to enhance extracellular signal-regulated kinase (ERK) phosphorylation. A close genetic effect of Trib1 on Hoxa9 has been observed in myeloid leukemogenesis, where Trib1 overexpression significantly accelerates Hoxa9-induced leukemia onset. However, the mechanism underlying how Trib1 functionally modulates Hoxa9 transcription activity is unclear. Herein, we provide evidence that Trib1 modulates Hoxa9-associated super-enhancers. Chromatin immunoprecipitation sequencing analysis identified increased histone H3K27Ac signals at super-enhancers of the Erg, Spns2, Rgl1, and Pik3cd loci, as well as increased messenger RNA expression of these genes. Modification of super-enhancer activity was mostly achieved via the degradation of C/EBPα p42 by Trib1, with a slight contribution from the MEK/ERK pathway. Silencing of Erg abrogated the growth advantage acquired by Trib1 overexpression, indicating that Erg is a critical downstream target of the Trib1/Hoxa9 axis. Moreover, treatment of acute myeloid leukemia (AML) cells with the BRD4 inhibitor JQ1 showed growth inhibition in a Trib1/Erg-dependent manner both in vitro and in vivo. Upregulation of ERG by TRIB1 was also observed in human AML cell lines, suggesting that Trib1 is a potential therapeutic target of Hoxa9-associated AML. Taken together, our study demonstrates a novel mechanism by which Trib1 modulates chromatin and Hoxa9-driven transcription in myeloid leukemogenesis.
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Rejuvenated Stem/Progenitor Cells for Cartilage Repair Using the Pluripotent Stem Cell Technology. Bioengineering (Basel) 2021; 8:bioengineering8040046. [PMID: 33920285 PMCID: PMC8070387 DOI: 10.3390/bioengineering8040046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 01/19/2023] Open
Abstract
It is widely accepted that chondral defects in articular cartilage of adult joints are never repaired spontaneously, which is considered to be one of the major causes of age-related degenerative joint disorders, such as osteoarthritis. Since mobilization of subchondral bone (marrow) cells and addition of chondrocytes or mesenchymal stromal cells into full-thickness defects show some degrees of repair, the lack of self-repair activity in adult articular cartilage can be attributed to lack of reparative cells in adult joints. In contrast, during a fetal or embryonic stage, joint articular cartilage has a scar-less repair activity, suggesting that embryonic joints may contain cells responsible for such activity, which can be chondrocytes, chondroprogenitors, or other cell types such as skeletal stem cells. In this respect, the tendency of pluripotent stem cells (PSCs) to give rise to cells of embryonic characteristics will provide opportunity, especially for humans, to obtain cells carrying similar cartilage self-repair activity. Making use of PSC-derived cells for cartilage repair is still in a basic or preclinical research phase. This review will provide brief overviews on how human PSCs have been used for cartilage repair studies.
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Creb5 establishes the competence for Prg4 expression in articular cartilage. Commun Biol 2021; 4:332. [PMID: 33712729 PMCID: PMC7955038 DOI: 10.1038/s42003-021-01857-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 02/12/2021] [Indexed: 12/13/2022] Open
Abstract
A hallmark of cells comprising the superficial zone of articular cartilage is their expression of lubricin, encoded by the Prg4 gene, that lubricates the joint and protects against the development of arthritis. Here, we identify Creb5 as a transcription factor that is specifically expressed in superficial zone articular chondrocytes and is required for TGF-β and EGFR signaling to induce Prg4 expression. Notably, forced expression of Creb5 in chondrocytes derived from the deep zone of the articular cartilage confers the competence for TGF-β and EGFR signals to induce Prg4 expression. Chromatin-IP and ATAC-Seq analyses have revealed that Creb5 directly binds to two Prg4 promoter-proximal regulatory elements, that display an open chromatin conformation specifically in superficial zone articular chondrocytes; and which work in combination with a more distal regulatory element to drive induction of Prg4 by TGF-β. Our results indicate that Creb5 is a critical regulator of Prg4/lubricin expression in the articular cartilage.
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Sun K, Guo J, Yao X, Guo Z, Guo F. Growth differentiation factor 5 in cartilage and osteoarthritis: A possible therapeutic candidate. Cell Prolif 2021; 54:e12998. [PMID: 33522652 PMCID: PMC7941218 DOI: 10.1111/cpr.12998] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 01/01/2021] [Accepted: 01/05/2021] [Indexed: 12/11/2022] Open
Abstract
Growth differentiation factor 5 (GDF-5) is essential for cartilage development and homeostasis. The expression and function of GDF-5 are highly associated with the pathogenesis of osteoarthritis (OA). OA, characterized by progressive degeneration of joint, particularly in cartilage, causes severe social burden. However, there is no effective approach to reverse the progression of this disease. Over the past decades, extensive studies have demonstrated the protective effects of GDF-5 against cartilage degeneration and defects. Here, we summarize the current literature describing the role of GDF-5 in development of cartilage and joints, and the association between the GDF-5 gene polymorphisms and OA susceptibility. We also shed light on the protective effects of GDF-5 against OA in terms of direct GDF-5 supplementation and modulation of the GDF-5-related signalling. Finally, we discuss the current limitations in the application of GDF-5 for the clinical treatment of OA. This review provides a comprehensive insight into the role of GDF-5 in cartilage and emphasizes GDF-5 as a potential therapeutic candidate in OA.
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Affiliation(s)
- Kai Sun
- Department of OrthopedicsTongji Medical CollegeTongji HospitalHuazhong University of Science and TechnologyWuhanChina
| | - Jiachao Guo
- Department of OrthopedicsTongji Medical CollegeTongji HospitalHuazhong University of Science and TechnologyWuhanChina
| | - Xudong Yao
- Department of OrthopedicsTongji Medical CollegeTongji HospitalHuazhong University of Science and TechnologyWuhanChina
| | - Zhou Guo
- Department of OrthopedicsTongji Medical CollegeTongji HospitalHuazhong University of Science and TechnologyWuhanChina
| | - Fengjing Guo
- Department of OrthopedicsTongji Medical CollegeTongji HospitalHuazhong University of Science and TechnologyWuhanChina
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