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Hao RC, Li ZL, Wang FY, Tang J, Li PL, Yin BF, Li XT, Han MY, Mao N, Liu B, Ding L, Zhu H. Single-cell transcriptomic analysis identifies a highly replicating Cd168 + skeletal stem/progenitor cell population in mouse long bones. J Genet Genomics 2023; 50:702-712. [PMID: 37075860 DOI: 10.1016/j.jgg.2023.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/08/2023] [Accepted: 04/09/2023] [Indexed: 04/21/2023]
Abstract
Skeletal stem/progenitor cells (SSPCs) are tissue-specific stem/progenitor cells localized within skeletons and contribute to bone development, homeostasis, and regeneration. However, the heterogeneity of SSPC populations in mouse long bones and their respective regenerative capacity remain to be further clarified. In this study, we perform integrated analysis using single-cell RNA sequencing (scRNA-seq) datasets of mouse hindlimb buds, postnatal long bones, and fractured long bones. Our analyses reveal the heterogeneity of osteochondrogenic lineage cells and recapitulate the developmental trajectories during mouse long bone growth. In addition, we identify a novel Cd168+ SSPC population with highly replicating capacity and osteochondrogenic potential in embryonic and postnatal long bones. Moreover, the Cd168+ SSPCs can contribute to newly formed skeletal tissues during fracture healing. Furthermore, the results of multicolor immunofluorescence show that Cd168+ SSPCs reside in the superficial zone of articular cartilage as well as in growth plates of postnatal mouse long bones. In summary, we identify a novel Cd168+ SSPC population with regenerative potential in mouse long bones, which adds to the knowledge of the tissue-specific stem cells in skeletons.
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Affiliation(s)
- Rui-Cong Hao
- Basic Medical College of Anhui Medical University, Hefei, Anhui 230032, China; Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Zhi-Ling Li
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Fei-Yan Wang
- Basic Medical College of Anhui Medical University, Hefei, Anhui 230032, China; Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jie Tang
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Pei-Lin Li
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Bo-Feng Yin
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Xiao-Tong Li
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Meng-Yue Han
- Basic Medical College of Anhui Medical University, Hefei, Anhui 230032, China; Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Ning Mao
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Bing Liu
- State Key Laboratory of Experimental Hematology, Department of Hematology, Fifth Medical Center of Chinese PLA General Hospital, Beijing 100071, China
| | - Li Ding
- Basic Medical College of Anhui Medical University, Hefei, Anhui 230032, China; Air Force Medical Center, PLA, Beijing 100142, China.
| | - Heng Zhu
- Basic Medical College of Anhui Medical University, Hefei, Anhui 230032, China; Beijing Institute of Radiation Medicine, Beijing 100850, China.
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Xu R, Li N, Shi B, Li Z, Han J, Sun J, Yallowitz A, Bok S, Xiao S, Wu Z, Chen Y, Xu Y, Qin T, Lin Z, Zheng H, Shen R, Greenblatt M. Schnurri-3 inhibition rescues skeletal fragility and vascular skeletal stem cell niche pathology in a mouse model of osteogenesis imperfecta. Res Sq 2023:rs.3.rs-3153957. [PMID: 37546916 PMCID: PMC10402191 DOI: 10.21203/rs.3.rs-3153957/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Osteogenesis imperfecta (OI) is a disorder of low bone mass and increased fracture risk due to a range of genetic variants that prominently include mutations in genes encoding type collagen. While it is well known that OI reflects defects in the activity of bone-forming osteoblasts, it is currently unclear whether OI also reflects defects in the many other cell types comprising bone, including defects in skeletal vascular endothelium or the skeletal stem cell populations that give rise to osteoblasts and whether correcting these broader defects could have therapeutic utility. Here, we find that numbers of skeletal stem cells (SSCs) and skeletal arterial endothelial cells (AECs) are augmented in Col1a2oim/oim mice, a well-studied animal model of moderate to severe OI, suggesting that disruption of a vascular SSC niche is a feature of OI pathogenesis. Moreover, crossing Col1a2oim/oim mice to mice lacking a negative regulator of skeletal angiogenesis and bone formation, Schnurri 3 (SHN3), not only corrected the SSC and AEC phenotypes but moreover robustly corrected the bone mass and spontaneous fracture phenotypes. As this finding suggested a strong therapeutic utility of SHN3 inhibition for the treatment of OI, a bone-targeting AAV was used to mediate Shn3 knockdown, rescuing the Col1a2oim/oim phenotype and providing therapeutic proof-of-concept for targeting SHN3 for the treatment of OI. Overall, this work both provides proof-of-concept for inhibition of the SHN3 pathway and more broadly addressing defects in the stem/osteoprogentior niche as is a strategy to treat OI.
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Affiliation(s)
- Ren Xu
- State Key Laboratory of Cellular Stress Biology, School of Medicine, Faculty of Medicine and Life Sciences, Xiamen University
| | | | | | - Zan Li
- First Affiliated Hospital of Zhejiang University
| | | | - Jun Sun
- Weill Cornell Medicine, Cornell University
| | | | - Seoyeon Bok
- Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Shuang Xiao
- The First Affiliated Hospital of Xiamen University-ICMRS Collaborating Center for Skeletal Stem Cells, State Key Laboratory of Cellular Stress Biology, Faculty of Medicine and Life Sciences, Xiamen
| | - Zouxing Wu
- The First Affiliated Hospital of Xiamen University-ICMRS Collaborating Center for Skeletal Stem Cells, State Key Laboratory of Cellular Stress Biology, Faculty of Medicine and Life Sciences, Xiamen
| | | | - Yan Xu
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Tian Qin
- Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, 410000, China
| | - Zhiming Lin
- The First Affiliated Hospital of Xiamen University-ICMRS Collaborating Center for Skeletal Stem Cells, State Key Laboratory of Cellular Stress Biology, Faculty of Medicine and Life Sciences, Xiamen
| | - Haiping Zheng
- The First Affiliated Hospital of Xiamen University-ICMRS Collaborating Center for Skeletal Stem Cells, State Key Laboratory of Cellular Stress Biology, Faculty of Medicine and Life Sciences, Xiamen
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3
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Leclerc K, Remark LH, Ramsukh M, Josephson AM, Palma L, Parente PEL, Sambon M, Lee S, Lopez EM, Morgani SM, Leucht P. Hox genes are crucial regulators of periosteal stem cell identity. Development 2023; 150:dev201391. [PMID: 36912250 PMCID: PMC10112919 DOI: 10.1242/dev.201391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 02/20/2023] [Indexed: 03/14/2023]
Abstract
Periosteal stem and progenitor cells (PSPCs) are major contributors to bone maintenance and repair. Deciphering the molecular mechanisms that regulate their function is crucial for the successful generation and application of future therapeutics. Here, we pinpoint Hox transcription factors as necessary and sufficient for periosteal stem cell function. Hox genes are transcriptionally enriched in periosteal stem cells and their overexpression in more committed progenitors drives reprogramming to a naïve, self-renewing stem cell-like state. Crucially, individual Hox family members are expressed in a location-specific manner and their stem cell-promoting activity is only observed when the Hox gene is matched to the anatomical origin of the PSPC, demonstrating a role for the embryonic Hox code in adult stem cells. Finally, we demonstrate that Hoxa10 overexpression partially restores the age-related decline in fracture repair. Together, our data highlight the importance of Hox genes as key regulators of PSPC identity in skeletal homeostasis and repair.
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Affiliation(s)
- Kevin Leclerc
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Lindsey H. Remark
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
- Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Malissa Ramsukh
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Anne Marie Josephson
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
- Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Laura Palma
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Paulo E. L. Parente
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Margaux Sambon
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Sooyeon Lee
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
- Institute of Comparative Molecular Endocrinology, Ulm University, Ulm 89081, Germany
| | - Emma Muiños Lopez
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
- Cell Therapy Area, Clínica Universidad de Navarra, Pamplona 31008, Spain
| | - Sophie M. Morgani
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
| | - Philipp Leucht
- Department of Orthopedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
- Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY 10016, USA
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4
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Li Y, Yang S, Liu Y, Qin L, Yang S. IFT20 governs mesenchymal stem cell fate through positively regulating TGF-β-Smad2/3-Glut1 signaling mediated glucose metabolism. Redox Biol 2022; 54:102373. [PMID: 35751983 PMCID: PMC9243161 DOI: 10.1016/j.redox.2022.102373] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 06/13/2022] [Indexed: 12/18/2022] Open
Abstract
Aberrant lineage allocation of mesenchymal stem cells (MSCs) could cause bone marrow osteoblast-adipocyte imbalance, and glucose as an important nutrient is required for the maintenance of the MSCs' fate and function. Intraflagellar transport 20 (IFT20) is one of the IFT complex B protein which regulates osteoblast differentiation, and bone formation, but how IFT20 regulates MSCs' fate remains undefined. Here, we demonstrated that IFT20 controls MSC lineage allocation through regulating glucose metabolism during skeletal development. IFT20 deficiency in the early stage of MSCs caused significantly shortened limbs, decreased bone mass and significant increase in marrow fat. However, deletion of IFT20 in the later stage of MSCs and osteocytes just slightly decreased bone mass and bone growth and increased marrow fat. Additionally, we found that loss of IFT20 in MSCs promotes adipocyte formation, which enhances RANKL expression and bone resorption. Conversely, ablation of IFT20 in adipocytes reversed these phenotypes. Mechanistically, loss of IFT20 in MSCs significantly decreased glucose tolerance and suppressed glucose uptake and lactate and ATP production. Moreover, loss of IFT20 significantly decreased the activity of TGF-β-Smad2/3 signaling and reduced the binding activity of Smad2/3 to Glut1 promoter to downregulate Glut1 expression. These findings indicate that IFT20 plays essential roles for preventing MSC lineage allocation into adipocytes through TGF-β-Smad2/3-Glut1 axis.
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Affiliation(s)
- Yang Li
- Department of Basic & Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Shuting Yang
- Department of Basic & Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Yang Liu
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China
| | - Ling Qin
- Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Shuying Yang
- Department of Basic & Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA; The Penn Center for Musculoskeletal Disorders, School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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5
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Maruyama T, Yu HMI, Hsu W. Skeletal Stem Cell Isolation from Cranial Suture Mesenchyme and Maintenance of Stemness in Culture. Bio Protoc 2022; 12:e4339. [PMID: 35592603 PMCID: PMC8918225 DOI: 10.21769/bioprotoc.4339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 10/21/2021] [Accepted: 01/10/2022] [Indexed: 12/29/2022] Open
Abstract
Skeletal stem cells residing in the suture mesenchyme are responsible for calvarial development, homeostatic maintenance, and injury-induced repair. These naïve cells exhibit long-term self-renewal, clonal expansion, and multipotency. They possess osteogenic abilities to regenerate bones in a cell-autonomous manner and can directly replace the damaged skeleton. Therefore, the establishment of reliable isolation and culturing methods for skeletal stem cells capable of preserving their stemness promises to further explore their use in cell-based therapy. Our research team is the first to isolate and purify skeletal stem cells from the calvarial suture and demonstrate their potent ability to generate bone at a single-cell level. Here, we describe detailed protocols for suture stem cell (SuSC) isolation and stemness maintenance in culture. These methods are extremely valuable for advancing our knowledge base of skeletal stem cells in craniofacial development, congenital deformity, and tissue repair and regeneration.
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Affiliation(s)
- Takamitsu Maruyama
- Center for Oral Biology, University of Rochester Medical Center, Rochester NY 14642, USA
,Department of Dentistry, University of Rochester Medical Center, Rochester NY 14642, USA
,Forsyth Institue, Cambridge MA 02142, USA
,
*For correspondence: ; ;
| | - Hsiao-Man Ivy Yu
- Center for Oral Biology, University of Rochester Medical Center, Rochester NY 14642, USA
,Forsyth Institue, Cambridge MA 02142, USA
| | - Wei Hsu
- Center for Oral Biology, University of Rochester Medical Center, Rochester NY 14642, USA
,Department of Biomedical Genetics, University of Rochester Medical Center, Rochester NY 14642, USA
,Forsyth Institue, Cambridge MA 02142, USA
,Faculty of Medicine of Harvard University, Boston, MA 021115, USA
,Harvard Stem Cell Institute, Cambridge MA 02138, USA
,Harvard School of Dental Medicine, Boston, MA 02115, USA
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*For correspondence: ; ;
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6
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Cidonio G, Glinka M, Kim YH, Dawson JI, Oreffo ROC. Nanocomposite Clay-Based Bioinks for Skeletal Tissue Engineering. Methods Mol Biol 2021; 2147:63-72. [PMID: 32840811 DOI: 10.1007/978-1-0716-0611-7_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Biofabrication is revolutionizing substitute tissue manufacturing. Skeletal stem cells (SSCs) can be blended with hydrogel biomaterials and printed to form three-dimensional structures that can closely mimic tissues of interest. Our bioink formulation takes into account the potential for cell printing including a bioink nanocomposite that contains low fraction polymeric content to facilitate cell encapsulation and survival, while preserving hydrogel integrity and mechanical properties following extrusion. Clay inclusion to the nanocomposite strengthens the alginate-methylcellulose network providing a biopaste with unique shear-thinning properties that can be easily prepared under sterile conditions. SSCs can be mixed with the clay-based paste, and the resulting bioink can be printed in 3D structures ready for implantation. In this chapter, we provide the methodology for preparation, encapsulation, and printing of SSCs in a unique clay-based bioink.
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7
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Xu GP, Zhang XF, Sun L, Chen EM. Current and future uses of skeletal stem cells for bone regeneration. World J Stem Cells 2020; 12:339-350. [PMID: 32547682 PMCID: PMC7280866 DOI: 10.4252/wjsc.v12.i5.339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 04/07/2020] [Accepted: 04/18/2020] [Indexed: 02/06/2023] Open
Abstract
The postnatal skeleton undergoes growth, modeling, and remodeling. The human skeleton is a composite of diverse tissue types, including bone, cartilage, fat, fibroblasts, nerves, blood vessels, and hematopoietic cells. Fracture nonunion and bone defects are among the most challenging clinical problems in orthopedic trauma. The incidence of nonunion or bone defects following fractures is increasing. Stem and progenitor cells mediate homeostasis and regeneration in postnatal tissue, including bone tissue. As multipotent stem cells, skeletal stem cells (SSCs) have a strong effect on the growth, differentiation, and repair of bone regeneration. In recent years, a number of important studies have characterized the hierarchy, differential potential, and bone formation of SSCs. Here, we describe studies on and applications of SSCs and/or mesenchymal stem cells for bone regeneration.
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Affiliation(s)
- Guo-Ping Xu
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang Province, China
| | - Xiang-Feng Zhang
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang Province, China
| | - Lu Sun
- Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine, Harvard University, Boston, MA 02115, United States
| | - Er-Man Chen
- Department of Orthopedics, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310000, Zhejiang Province, China
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8
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Tournaire G, Stegen S, Giacomini G, Stockmans I, Moermans K, Carmeliet G, van Gastel N. Nestin-GFP transgene labels skeletal progenitors in the periosteum. Bone 2020; 133:115259. [PMID: 32036051 DOI: 10.1016/j.bone.2020.115259] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 01/20/2020] [Accepted: 02/01/2020] [Indexed: 02/07/2023]
Abstract
The periosteum is critical for bone repair and contains skeletal stem cells (SSCs), but these cells are still poorly characterized. In the bone marrow, cells expressing the Nes-GFP transgene have been described to be SSCs. Here, we investigated whether Nes-GFP expression also typifies SSCs in the periosteum. We show that in adult mice, Nes-GFP cells are present in the periosteum and localize closely to blood vessels, but periosteal Nes-GFP cells express SSC and progenitor markers differently compared to Nes-GFP cells in the bone marrow. Periosteal Nes-GFP cells show in vitro clonogenicity and tri-lineage differentiation potential and they can form bone in vivo. Shortly after fracture, they start to proliferate and they contribute to the osteoblast pool during the repair process. However, periosteal Nes-GFP cells are not slow dividing nor self-renewing in vivo. These results indicate that in adult mice, periosteal Nes-GFP expressing cells are skeletal progenitors rather than true SSCs, and they participate in the fracture healing process.
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Affiliation(s)
- Guillaume Tournaire
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
| | - Steve Stegen
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
| | - Greta Giacomini
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Ingrid Stockmans
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Karen Moermans
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium
| | - Geert Carmeliet
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium.
| | - Nick van Gastel
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases, Metabolism and Ageing, KU Leuven, Leuven, Belgium; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
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9
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Montes-Medina L, Hernández-Fernández A, Gutiérrez-Rivera A, Ripalda-Cemboráin P, Bitarte N, Pérez-López V, Granero-Moltó F, Prosper F, Izeta A. Effect of bone marrow stromal cells in combination with biomaterials in early phases of distraction osteogenesis: An experimental study in a rabbit femur model. Injury 2018; 49:1979-1986. [PMID: 30219381 DOI: 10.1016/j.injury.2018.09.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 08/24/2018] [Accepted: 09/04/2018] [Indexed: 02/07/2023]
Abstract
Acceleration of the consolidation of the distracted bone is a relevant medical need. As a platform to improve in vivo bone engineering, we developed a novel distraction osteogenesis (DO) model in a rabbit large bone (femur) and tested if the application of cultured bone marrow stromal cells (BMSCs) immediately after the osteotomy promotes the formation of bone. This report consists of two components, an animal study to evaluate the quality of the regenerate following different treatments and an in vitro study to evaluate osteogenic potential of BMSC cultures. To illuminate the mechanism of action of injected cells, we tested stem cell cultures enriched in osteogenic-BMSCs (O-BMSCs) as compared with cultures enriched in non-osteogenic BMSCs (NO-BMSCs). Finally, we included a group of animals treated with biomaterials (fibrin and ground cortical bone) in addition to cells. Injection of O-BMSCs promoted the maturity of distracted callus and decreased fibrosis. When combined with biomaterials, O-BMSCs modified the ossification pattern from endochondral to intramembranous type. The use of NO-BMSCs not only did not increase the maturity but also increased porosity of the bone. These preclinical results indicate that the BMSC cultures must be tested in vitro prior to clinical use, since a number of factors may influence their outcome in bone formation. We hypothesize that the use of osteogenic BMSCs and biomaterials could be clinically beneficial to shorten the consolidation period of the distraction and the total period of bone lengthening.
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Affiliation(s)
- Laura Montes-Medina
- Department of Orthopaedic Surgery, Donostia University Hospital, San Sebastian, Spain
| | - Alberto Hernández-Fernández
- Department of Orthopaedic Surgery, Donostia University Hospital, San Sebastian, Spain; Department of Surgery, Radiology and Physical Medicine of the University of the Basque Country (UPV-EHU), San Sebastian, Spain
| | | | | | - Nerea Bitarte
- Tissue Engineering Group, Bioengineering Area, Instituto Biodonostia, San Sebastian, Spain
| | - Virginia Pérez-López
- Tissue Engineering Group, Bioengineering Area, Instituto Biodonostia, San Sebastian, Spain
| | - Froilán Granero-Moltó
- Department of Orthopaedic Surgery and Traumatology, Clínica Universidad de Navarra, Pamplona, Spain; Cell Therapy Area, Clínica Universidad de Navarra, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Felipe Prosper
- Cell Therapy Area, Clínica Universidad de Navarra, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Ander Izeta
- Tissue Engineering Group, Bioengineering Area, Instituto Biodonostia, San Sebastian, Spain; Department of Biomedical Engineering and Science, School of Engineering, Tecnun-University of Navarra, San Sebastian, Spain.
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10
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Abstract
PURPOSE OF REVIEW The identity and functional roles of stem cell population(s) that contribute to fracture repair remains unclear. This review provides a brief history of mesenchymal stem cell (MSCs) and provides an updated view of the many stem/progenitor cell populations contributing to fracture repair. RECENT FINDINGS Functional studies show MSCs are not the multipotential stem cell population that form cartilage and bone during fracture repair. Rather, multiple studies have confirmed the periosteum is the primary source of stem/progenitor cells for fracture repair. Newer work is also identifying other stem/progenitor cells that may also contribute to healing. Although the heterogenous periosteal cells migrate to the fracture site and contribute directly to callus formation, other cell populations are involved. Pericytes and bone marrow stromal cells are now thought of as key secretory centers that mostly coordinate the repair process. Other populations of stem/progenitor cells from the muscle and transdifferentiated chondroctyes may also contribute to repair, and their functional role is an area of active research.
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Affiliation(s)
- Beth C Bragdon
- Department of Orthopaedic Surgery, Boston University School of Medicine, 72 East Concord St, Evans 243, Boston, MA, 02118, USA.
| | - Chelsea S Bahney
- Orthopaedic Trauma Institute, Department of Orthopaedic Surgery, University of California, San Francisco (UCSF), San Francisco, CA, USA
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11
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Leucht P, Lee S, Yim N. Wnt signaling and bone regeneration: Can't have one without the other. Biomaterials 2018; 196:46-50. [PMID: 29573821 DOI: 10.1016/j.biomaterials.2018.03.029] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 03/13/2018] [Accepted: 03/14/2018] [Indexed: 12/25/2022]
Abstract
Advances in the understanding of the complexities of the Wnt signaling pathway during development and tissue homeostasis have made the Wnt pathway one of the prime candidates for translational applications during tissue regeneration. Wnts are key components of the stem cell niche and are short range signaling molecules responsible for cellular decisions such as proliferation and differentiation. Systemic treatment using biologics targeting the Wnt signaling pathway have shown promising early results and will likely enter the clinical arena in the near future. This comprehensive review summarizes the intricacies how Wnts function in the context of the bone regeneration.
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Affiliation(s)
- Philipp Leucht
- NYU Langone Health, Departments of Orthopaedic Surgery and Cell Biology, New York, NY, USA.
| | - Sooyeon Lee
- NYU Langone Health, Departments of Orthopaedic Surgery and Cell Biology, New York, NY, USA
| | - Nury Yim
- NYU Langone Health, Departments of Orthopaedic Surgery and Cell Biology, New York, NY, USA
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12
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Abstract
Purpose of Review Degenerative skeletal disorders including osteoarthritis (OA) and osteoporosis (OP) are the result of attenuation of tissue regeneration and lead to painful conditions with limited treatment options. Preventative measures to limit the onset of OA and OP remain a significant unmet clinical need. MicroRNAs (miRNAs) are known to be involved in the differentiation of stem cells, and in combination with stem cell therapy could induce skeletal regeneration and potentially prevent OA and OP onset. Recent Findings The combination of stem cells and miRNA has been successful at regenerating the bone and cartilage in vivo. MiRNAs, including miR-146b known to be involved in chondrogenic differentiation, could provide innovative targets for stem cell-based therapy, for the repair of articular cartilage defects forestalling the onset of OA or in the generation of a stem cell-based therapy for OP. Summary This review discusses the combination of skeletal stem cells (SSCs) and candidate miRNAs for application in a cell-based therapy approach for skeletal regenerative medicine.
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Affiliation(s)
- Emma Budd
- Bone & Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - Shona Waddell
- Bone & Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - María C de Andrés
- Bone & Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
| | - Richard O C Oreffo
- Bone & Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
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Tang D, Tare RS, Yang LY, Williams DF, Ou KL, Oreffo ROC. Biofabrication of bone tissue: approaches, challenges and translation for bone regeneration. Biomaterials 2016; 83:363-82. [PMID: 26803405 DOI: 10.1016/j.biomaterials.2016.01.024] [Citation(s) in RCA: 328] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/21/2015] [Accepted: 01/01/2016] [Indexed: 02/08/2023]
Abstract
The rising incidence of bone disorders has resulted in the need for more effective therapies to meet this demand, exacerbated by an increasing ageing population. Bone tissue engineering is seen as a means of developing alternatives to conventional bone grafts for repairing or reconstructing bone defects by combining biomaterials, cells and signalling factors. However, skeletal tissue engineering has not yet achieved full translation into clinical practice as a consequence of several challenges. The use of additive manufacturing techniques for bone biofabrication is seen as a potential solution, with its inherent capability for reproducibility, accuracy and customisation of scaffolds as well as cell and signalling factor delivery. This review highlights the current research in bone biofabrication, the necessary factors for successful bone biofabrication, in addition to the current limitations affecting biofabrication, some of which are a consequence of the limitations of the additive manufacturing technology itself.
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Affiliation(s)
- Daniel Tang
- Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, United Kingdom
| | - Rahul S Tare
- Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, United Kingdom; Engineering Sciences, Faculty of Engineering and the Environment, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Liang-Yo Yang
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan, ROC; Research Centre for Biomedical Devices and Prototyping Production, Taipei Medical University, Taipei, 110, Taiwan, ROC; School of Medicine, College of Medicine, China Medical University, Taichung, 40402, Taiwan, ROC
| | - David F Williams
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei, 110, Taiwan, ROC; Institute of Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Keng-Liang Ou
- Research Centre for Biomedical Devices and Prototyping Production, Taipei Medical University, Taipei, 110, Taiwan, ROC; Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, Taipei, 110, Taiwan, ROC; Research Centre for Biomedical Implants and Microsurgery Devices, Taipei Medical University, Taipei, 110, Taiwan, ROC; Department of Dentistry, Taipei Medical University-Shuang Ho Hospital, New Taipei City, 235, Taiwan, ROC.
| | - Richard O C Oreffo
- Centre for Human Development, Stem Cells and Regeneration, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, United Kingdom.
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Sisti KE, de Andrés MC, Johnston D, Almeida-Filho E, Guastaldi AC, Oreffo ROC. Skeletal stem cell and bone implant interactions are enhanced by LASER titanium modification. Biochem Biophys Res Commun 2015; 473:719-25. [PMID: 26456647 DOI: 10.1016/j.bbrc.2015.10.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 10/02/2015] [Indexed: 11/19/2022]
Abstract
PURPOSE To evaluate the osteo-regenerative potential of Titanium (Ti) modified by Light Amplification by Stimulated Emission of Radiation (LASER) beam (Yb-YAG) upon culture with human Skeletal Stem Cells (hSSCs(1)). METHODS Human skeletal cell populations were isolated from the bone marrow of haematologically normal patients undergoing primary total hip replacement following appropriate consent. STRO-1(+) hSSC(1) function was examined for 10 days across four groups using Ti discs: i) machined Ti surface group in basal media (Mb(2)), ii) machined Ti surface group in osteogenic media (Mo(3)), iii) LASER-modified Ti group in basal media (Lb(4)) and, iv) LASER-modified Ti group in osteogenic media (Lo(5)). Molecular analysis and qRT-PCR as well as functional analysis including biochemistry (DNA, Alkaline Phosphatase (ALP(6)) specific activity), live/dead immunostaining (Cell Tracker Green (CTG(7))/Ethidium Homodimer-1 (EH-1(8))), and fluorescence staining (for vinculin and phalloidin) were undertaken. Inverted, confocal and Scanning Electron Microscopy (SEM) approaches were used to characterise cell adherence, proliferation, and phenotype. RESULTS Enhanced cell spreading and morphological rearrangement, including focal adhesions were observed following culture of hSSCs(1) on LASER surfaces in both basal and osteogenic conditions. Biochemical analysis demonstrated enhanced ALP(6) specific activity on the hSSCs(1)-seeded on LASER-modified surface in basal culture media. Molecular analysis demonstrated enhanced ALP(6) and osteopontin expression on titanium LASER treated surfaces in basal conditions. SEM, inverted microscopy and confocal laser scanning microscopy confirmed extensive proliferation and migration of human bone marrow stromal cells on all surfaces evaluated. CONCLUSIONS LASER-modified Ti surfaces modify the behaviour of hSSCs.(1) In particular, SSC(1) adhesion, osteogenic gene expression, cell morphology and cytoskeleton structure were affected. The current studies show Ti LASER modification can enhance the osseointegration between Ti and skeletal cells, with important implications for orthopaedic application.
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Affiliation(s)
- Karin E Sisti
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK; Biomaterials Group, Institute of Chemistry, São Paulo State University (UNESP), Box 355, Araraquara, Brazil; Federal University of Mato Grosso do Sul (UFMS), Campo Grande, Brazil.
| | - María C de Andrés
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - David Johnston
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - Edson Almeida-Filho
- Biomaterials Group, Institute of Chemistry, São Paulo State University (UNESP), Box 355, Araraquara, Brazil
| | - Antonio C Guastaldi
- Biomaterials Group, Institute of Chemistry, São Paulo State University (UNESP), Box 355, Araraquara, Brazil
| | - Richard O C Oreffo
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
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Abstract
Medical advances have led to a welcome increase in life expectancy. However, accompanying longevity introduces new challenges: increases in age-related diseases and associated reductions in quality of life. The loss of skeletal tissue that can accompany trauma, injury, disease or advancing years can result in significant morbidity and significant socio-economic cost and emphasise the need for new, more reliable skeletal regeneration strategies. To address the unmet need for bone augmentation, tissue engineering and regenerative medicine have come to the fore in recent years with new approaches for de novo skeletal tissue formation. Typically, these approaches seek to harness stem cells, innovative scaffolds and biological factors that promise enhanced and more reliable bone formation strategies to improve the quality of life for many. This review provides an overview of recent developments in bone tissue engineering focusing on skeletal stem cells, vascular development, bone formation and the translation from preclinical in vivo models to clinical delivery.
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16
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Singh A, Lester C, Drapp R, Hu DZ, Glimcher LH, Jones D. Tetraspanin CD9 and ectonucleotidase CD73 identify an osteochondroprogenitor population with elevated osteogenic properties. Development 2015; 142:438-43. [PMID: 25564652 DOI: 10.1242/dev.113571] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Cell-based bone regeneration strategies offer promise for traumatic bone injuries, congenital defects, non-union fractures and other skeletal pathologies. Postnatal bone remodeling and fracture healing provide evidence that an osteochondroprogenitor cell is present in adult life that can differentiate to remodel or repair the fractured bone. However, cell-based skeletal repair in the clinic is still in its infancy, mostly due to poor characterization of progenitor cells and lack of knowledge about their in vivo behavior. Here, we took a combined approach of high-throughput screening, flow-based cell sorting and in vivo transplantation to isolate markers that identify osteochondroprogenitor cells. We show that the presence of tetraspanin CD9 enriches for osteochondroprogenitors within CD105(+) mesenchymal cells and that these cells readily form bone upon transplantation. In addition, we have used Thy1.2 and the ectonucleotidase CD73 to identify subsets within the CD9(+) population that lead to endochondral or intramembranous-like bone formation. Utilization of this unique cell surface phenotype to enrich for osteochondroprogenitor cells will allow for further characterization of the molecular mechanisms that regulate their osteogenic properties.
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Affiliation(s)
- Anju Singh
- Department of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Rockville, MD 20850, USA
| | - Chantel Lester
- Division of Rheumatology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Rebecca Drapp
- College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, USA
| | - Dorothy Z Hu
- Endocrine Unit, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Laurie H Glimcher
- Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
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Dawson JI, Kanczler J, Tare R, Kassem M, Oreffo ROC. Concise review: bridging the gap: bone regeneration using skeletal stem cell-based strategies - where are we now? Stem Cells 2014; 32:35-44. [PMID: 24115290 DOI: 10.1002/stem.1559] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 08/12/2013] [Indexed: 12/11/2022]
Abstract
Skeletal stem cells confer to bone its innate capacity for regeneration and repair. Bone regeneration strategies seek to harness and enhance this regenerative capacity for the replacement of tissue damaged or lost through congenital defects, trauma, functional/esthetic problems, and a broad range of diseases associated with an increasingly aged population. This review describes the state of the field and current steps to translate and apply skeletal stem cell biology in the clinic and the problems therein. Challenges are described along with key strategies including the isolation and ex vivo expansion of multipotential populations, the targeting/delivery of regenerative populations to sites of repair, and their differentiation toward bone lineages. Finally, preclinical models of bone repair are discussed along with their implications for clinical translation and the opportunities to harness that knowledge for musculoskeletal regeneration.
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Affiliation(s)
- Jonathan I Dawson
- Bone & Joint Research Group, Centre for Human Development, Stem Cells and Regeneration Human Development and Health, Institute of Developmental Sciences, University of Southampton, United Kingdom
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