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Chow T, Humble W, Lucarelli E, Onofrillo C, Choong PF, Di Bella C, Duchi S. Feasibility and barriers to rapid establishment of patient-derived primary osteosarcoma cell lines in clinical management. iScience 2024; 27:110251. [PMID: 39286504 PMCID: PMC11403063 DOI: 10.1016/j.isci.2024.110251] [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] [Indexed: 09/19/2024] Open
Abstract
Osteosarcoma is a highly aggressive primary bone tumor that has seen little improvement in survival rates in the past three decades. Preclinical studies are conducted on a small pool of commercial cell lines which may not fully reflect the genetic heterogeneity of this complex cancer, potentially hindering translatability of in vitro results. Developing a single-site laboratory protocol to rapidly establish patient-derived primary cancer cell lines (PCCL) within a clinically actionable time frame of a few weeks will have significant scientific and clinical ramifications. These PCCL can widen the pool of available cell lines for study while patient-specific data could derive therapeutic correlation. This endeavor is exceedingly challenging considering the proposed time constraints. By proposing key definitions and a clear theoretical framework, this evaluation of osteosarcoma cell line establishment methodology over the past three decades assesses feasibility by identifying barriers and suggesting solutions, thereby facilitating systematic experimentation and optimization.
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Affiliation(s)
- Thomas Chow
- Melbourne Medical School, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, VIC, Australia
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - William Humble
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Enrico Lucarelli
- Osteoncology, Bone and Soft Tissue Sarcomas and Innovative Therapies Unit, IRCCS Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136 Bologna, Italy
| | - Carmine Onofrillo
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Peter F Choong
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Claudia Di Bella
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Orthopaedics, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Serena Duchi
- BioFab3D-ACMD, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
- Department of Surgery, The University of Melbourne, St Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
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2
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Granel H, Bossard C, Collignon AM, Wauquier F, Lesieur J, Rochefort GY, Jallot E, Lao J, Wittrant Y. Osteogenic Effect of Fisetin Doping in Bioactive Glass/Poly(caprolactone) Hybrid Scaffolds. ACS OMEGA 2022; 7:22279-22290. [PMID: 35811886 PMCID: PMC9260777 DOI: 10.1021/acsomega.2c01109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Treating large bone defects or fragile patients may require enhancing the bone regeneration rate to overcome a weak contribution from the body. This work investigates the osteogenic potential of nutrient fisetin, a flavonoid found in fruits and vegetables, as a doping agent inside the structure of a SiO2-CaO bioactive glass-poly(caprolactone) (BG-PCL) hybrid scaffold. Embedded in the full mass of the BG-PCL hybrid during one-pot synthesis, we demonstrate fisetin to be delivered sustainably; the release follows a first-order kinetics with active fisetin concentration being delivered for more than 1 month (36 days). The biological effect of BG-PCL-fisetin-doped scaffolds (BG-PCL-Fis) has been highlighted by in vitro and in vivo studies. A positive impact is demonstrated on the adhesion and the differentiation of rat primary osteoblasts, without an adverse cytotoxic effect. Implantation in critical-size mouse calvaria defects shows bone remodeling characteristics and remarkable enhancement of bone regeneration for fisetin-doped scaffolds, with the regenerated bone volume being twofold that of nondoped scaffolds and fourfold that of a commercial trabecular bovine bone substitute. Such highly bioactive materials could stand as competitive alternative strategies involving biomaterials loaded with growth factors, the use of the latter being the subject of growing concerns.
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Affiliation(s)
- Henri Granel
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
| | - Cédric Bossard
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Anne-Margaux Collignon
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Fabien Wauquier
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
| | - Julie Lesieur
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Gael Y. Rochefort
- Descartes
University of Paris Faculty of Dental Surgery, Laboratoires Pathologies,
Imagerie et Biothérapies Orofaciales,1 Rue Maurice Arnoux, Montrouge, Île-De-France 92120, France
| | - Edouard Jallot
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Jonathan Lao
- Université
Clermont Auvergne, Laboratoire De Physique De Clermont Ferrand, 4 Avenue Blaise Pascal, Clermont-Ferrand, Auvergne-Rhône-Alpes 63001, France
| | - Yohann Wittrant
- INRAE,
Human Nutrition Unit (UNH), ECREIN Team, TSA 50400, 28 Place Henri Dunant, Clermont-Ferrand, Auvergne-Rhone-Alpes 63001, France
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3
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Sulaiman SB, Abdul Rani RB, Mohamad Yahaya NHB, Tabata Y, Hiraoka Y, Seet WT, Ng MH. Physical and natural cross-linking approaches on 3D gelatin microspheres for cartilage regeneration. Tissue Eng Part C Methods 2022; 28:557-569. [PMID: 35615885 DOI: 10.1089/ten.tec.2022.0073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The use of gelatin microspheres (GM) as a cell carrier has been extensively researched. One of its limitation is that it dissolves rapidly in aqueous settings, precluding its use for long-term cell propagation. This circumstance necessitates the use of cross-linking agents to circumvent the constraint. Thus, the current study examines two different methods of cross-linking and their effect on the microsphere's '"physicochemical and cartilage tissue regeneration capacity. Crosslinking was accomplished by physical [Dehydrothermal (DHT)] and natural (Genipin) cross-linking of the 3D gelatin microspheres (GM). We begin by comparing the microstructures of the scaffolds and their long-term resistance to degradation under physiological conditions (in isotonic solution, at 37 °C, pH = 7.4). Infrared spectroscopy indicated that the gelatin structure was preserved after the cross-linking treatments. The cross-linked GM" 'demonstrated good cell adhesion, viability, proliferation, and widespread 3D scaffold colonization when seeded with human bone marrow mesenchymal stem cells (BMSCs). Additionally, the cross-linked microspheres enhanced chondrogenesis, as demonstrated by the data. It was discovered that cross-linked GM increased the expression of cartilage-related genes and the biosynthesis of a glycosaminoglycan-positive matrix as compared to non-crosslinked GM. In comparison, DHT-crosslinked results were significantly enhanced. To summarize, DHT treatment was found to be a superior approach for cross-linking the GM in order to promote better cartilage tissue regeneration.
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Affiliation(s)
- Shamsul Bin Sulaiman
- Universiti Kebangsaan Malaysia, 61775, Centre for Tissue Engineering and Regenerative Medicine (CTERM), Bangi, Selangor, Malaysia;
| | - Rizal Bin Abdul Rani
- Universiti Kebangsaan Malaysia, 61775, Orthopedic & Traumatology, Bangi, Selangor, Malaysia;
| | | | - Yasuhiko Tabata
- Institute for Frontier Medical Sciences, Dept of Biomaterials, 53 Shogoinkawara-cho, Sakyo-ku, Kyoto, Kyoto, Japan, 6068507;
| | | | - Wan Tai Seet
- UKM, 61775, Centre for Tissue Engineering and Regenerative Medicine, 12th Floor, Clinical Block, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia, 56000;
| | - Min Hwei Ng
- Universiti Kebangsaan Malaysia, 61775, Tissue Engineering Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Federal Territory, Malaysia, 56000.,Universiti Kebangsaan Malaysia Medical Centre, 12th Floor, Clinical Block, Jalan Yaacob Latif, 12th Floor, Clinical Block, Jalan Yaacob Latif, Malaysia;
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4
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Nweke CE, Stegemann JP. Fabrication and characterization of osteogenic function of progenitor cell-laden gelatin microcarriers. J Biomed Mater Res B Appl Biomater 2021; 110:1265-1278. [PMID: 34918466 DOI: 10.1002/jbm.b.34998] [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: 07/23/2021] [Revised: 11/29/2021] [Accepted: 12/05/2021] [Indexed: 11/11/2022]
Abstract
Biomaterial-based bone regeneration strategies often include a cellular component to accelerate healing. Modular approaches have the potential for minimally-invasive delivery and the ability to conformally fill complex defects. In this study, spherical gelatin microparticles were fabricated via water-in-oil emulsification and were subsequently crosslinked with genipin. Microparticle diameter depended on impeller geometry, and increased stirring rates consistently produced smaller particles with narrower size distributions. Increasing the concentration of gelatin resulted in larger particles with a broader size distribution. Viscoelastic characterization showed that increased gelatin concentration produced stiffer matrices, though the mechanical properties at lower gelatin concentration were more stable across strain rate. Microparticles of 6.0% wt/vol gelatin were then applied as microcarriers for packed-bed culture of human mesenchymal stromal cells (MSC) at seeding densities of 5.0 × 103 , 2.5 × 104 , or 5.0 × 104 cells/cm2 of surface area, in either control or osteogenic medium. Cell viability was uniformly high (>90%) across seeding densities over 22 days in culture. MSC number stayed approximately constant in the 5.0 × 103 and 2.5 × 104 cells/cm2 samples, while it dropped over time at 5.0 × 104 cells/cm2 . Alkaline phosphatase activity was significantly upregulated in osteogenic conditions relative to controls at day 15, and absolute calcium deposition was strongly induced by days 15 and 22. However, calcium deposition per cell was highest in the lowest cell density, suggesting an inhibitory effect of high cell numbers. These results show that genipin-crosslinked gelatin microcarriers can be reproducibly fabricated and used as microcarriers for progenitor cells, which may have utility in treating large and complex bone defects.
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Affiliation(s)
- Chukwuma E Nweke
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Jan P Stegemann
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
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5
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Peticone C, Thompson DDS, Dimov N, Jevans B, Glass N, Micheletti M, Knowles JC, Kim HW, Cooper-White JJ, Wall IB. Characterisation of osteogenic and vascular responses of hMSCs to Ti-Co doped phosphate glass microspheres using a microfluidic perfusion platform. J Tissue Eng 2020; 11:2041731420954712. [PMID: 33178409 PMCID: PMC7592314 DOI: 10.1177/2041731420954712] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/13/2020] [Indexed: 01/22/2023] Open
Abstract
Using microspherical scaffolds as building blocks to repair bone defects of
specific size and shape has been proposed as a tissue engineering strategy.
Here, phosphate glass (PG) microcarriers doped with 5 mol % TiO2 and
either 0 mol % CoO (CoO 0%) or 2 mol % CoO (CoO 2%) were investigated for their
ability to support osteogenic and vascular responses of human mesenchymal stem
cells (hMSCs). Together with standard culture techniques, cell-material
interactions were studied using a novel perfusion microfluidic bioreactor that
enabled cell culture on microspheres, along with automated processing and
screening of culture variables. While titanium doping was found to support hMSCs
expansion and differentiation, as well as endothelial cell-derived vessel
formation, additional doping with cobalt did not improve the functionality of
the microspheres. Furthermore, the microfluidic bioreactor enabled screening of
culture parameters for cell culture on microspheres that could be potentially
translated to a scaled-up system for tissue-engineered bone manufacturing.
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Affiliation(s)
- Carlotta Peticone
- Department of Biochemical Engineering, University College London, London, UK
| | | | - Nikolay Dimov
- Centre for Engineering Research, University of Hertfordshire, Hatfield, Hertfordshire, UK
| | - Ben Jevans
- Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Nick Glass
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Brisbane, Australia
| | - Martina Micheletti
- Department of Biochemical Engineering, University College London, London, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, University College London Eastman Dental Institute, London, UK.,The Discoveries Centre for Regenerative and Precision Medicine, UCL Campus, London, UK.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, Republic of Korea.,Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, Republic of Korea.,Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Justin J Cooper-White
- Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, Brisbane, Australia.,School of Chemical Engineering, University of Queensland, St. Lucia, Brisbane, Australia
| | - Ivan B Wall
- Department of Biochemical Engineering, University College London, London, UK.,Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea.,Aston Medical Research Institute and School of Life and Health Sciences, Aston University, Birmingham, UK
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6
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Veiga A, Castro F, Rocha F, Oliveira A. Silk-based microcarriers: current developments and future perspectives. IET Nanobiotechnol 2020; 14:645-653. [PMID: 33108319 PMCID: PMC8676661 DOI: 10.1049/iet-nbt.2020.0058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 08/04/2020] [Accepted: 08/07/2020] [Indexed: 12/22/2022] Open
Abstract
Cell-seeded microcarriers (MCs) are currently one of the most promising topics in biotechnology. These systems are supportive structures for cell growth and expansion that allow efficient nutrient and gas transfer between the media and the attached cells. Silk proteins have been increasingly used for this purpose in the past few years due to their biocompatibility, biodegradability and non-toxicity. To date, several silk fibroin spherical MCs in combination with alginate, gelatin and calcium phosphates have been reported with very interesting outcomes. In addition, other silk-based three-dimensional structures such as microparticles with chitosan and collagen, as well as organoids, have been increasingly studied. In this study, the physicochemical and biological properties of these biomaterials, as well as the recent methodologies for their processing and for cell culture, are discussed. The potential biomedical applications are also addressed. In addition, an analysis of the future perspectives is presented, where the potential of innovative silk-based MCs processing technologies is highlighted.
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Affiliation(s)
- Anabela Veiga
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal
| | - Filipa Castro
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal.
| | - Fernando Rocha
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology & Energy, Faculty of Engineering of Porto, Department of Chemical Engineering, University of Porto, Porto, Portugal
| | - Ana Oliveira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
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7
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Combined Delivery of Two Different Bioactive Factors Incorporated in Hydroxyapatite Microcarrier for Bone Regeneration. Tissue Eng Regen Med 2020; 17:607-624. [PMID: 32803541 DOI: 10.1007/s13770-020-00257-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/03/2020] [Accepted: 03/24/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The delivery of growth factors using a carrier system presents a promising and innovative tool in tissue engineering and dentistry today. Two of the foremost bioactive factors, bone morphogenetic protein-2 and vascular endothelial growth factor (VEGF), are widely applied using a ceramic scaffold. The aim of this study was to determine the use of hydroxyapatite microcarrier (MC) for dual delivery of osteogenic and angiogenic factors to accelerate hard tissue regeneration during the regenerative process. METHODS Two MCs of different sizes were fabricated by emulsification of gelatin and alpha-tricalcium phosphate (α-TCP). The experimental group was divided based on the combination of MC size and growth factors. For investigating the in vitro properties, rat mesenchymal stem cells (rMSCs) were harvested from bone marrow of the femur and tibia. For in vivo experiments, MC with/without growth factors was applied into the standardized, 5-mm diameter defects, which were made bilaterally on the parietal bone of the rat. The animals were allowed to heal for 8 weeks, and samples were harvested and analyzed by micro-computed tomography and histology. RESULTS Improved proliferation of rat mesenchymal stem cells was observed with VEGF loaded MC. For osteogenic differentiation, dual growth factors delivered by MC showed higher osteogenic gene expression, alkaline phosphatse production and calcium deposition. The in vivo results revealed statistically significant increase in new bone formation when dual growth factors were delivered by MC. Dual growth factors administered on a calcium phosphate matrix showed significantly enhanced osteogenic potential. CONCLUSION We propose this system has potential clinical utility in providing solutions for craniofacial bone defects, with the added benefit of early availability.
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8
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Abstract
A variety of materials-based approaches to accelerate the regeneration of damaged bone have been developed to meet the important clinical need for improved bone fillers. This comprehensive review covers the materials and technologies used in modular microcarrier-based methods for delivery of progenitor cells in orthopaedic repair applications. It provides an overview of the field and the rationale for using microcarriers combined with osteoprogenitor cells for bone regeneration in particular. The general concepts and methods used in microcarrier-based cell culture and delivery are described, and methods for fabricating and characterizing microcarriers designed for specific indications are presented. A comprehensive review of the current literature on the use of microcarriers in bone regeneration is provided, with emphasis on key developments in the field and their impact. The studies reviewed are organized according to the broad classes of materials that are used for fabricating microcarriers, including polysaccharides, proteins and peptides, ceramics, and synthetic polymers. In addition, composite microcarriers that incorporate multiple material types or that are mineralized biomimetically are included. In each case, the fabrication, processing, characterization, and resulting function of the microcarriers is described, with an emphasis on their ability to support osteogenic differentiation of progenitor cells in vitro, and their effectiveness in healing bone defects in vivo. In addition, a summary of the current state of the field is provided, as are future perspectives on how microcarrier technologies may be enhanced to create improved cell-based therapies for bone regeneration.
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Affiliation(s)
- Chukwuma E Nweke
- Department of Biomedical Engineering, Ann and Robert H. Lurie Biomedical Engineering Building, University of Michigan, 1101 Beal Avenue, Ann Arbor, MI 48109, USA. and Macromolecular Science & Engineering Program, North Campus Research Complex, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI 48109, USA
| | - Jan P Stegemann
- Department of Biomedical Engineering, Ann and Robert H. Lurie Biomedical Engineering Building, University of Michigan, 1101 Beal Avenue, Ann Arbor, MI 48109, USA. and Macromolecular Science & Engineering Program, North Campus Research Complex, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI 48109, USA
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9
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3D Culture of MSCs on a Gelatin Microsphere in a Dynamic Culture System Enhances Chondrogenesis. Int J Mol Sci 2020; 21:ijms21082688. [PMID: 32294921 PMCID: PMC7215541 DOI: 10.3390/ijms21082688] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 04/04/2020] [Accepted: 04/07/2020] [Indexed: 12/17/2022] Open
Abstract
Recent advancement in cartilage tissue engineering has explored the potential of 3D culture to mimic the in vivo environment of human cartilaginous tissue. Three-dimensional culture using microspheres was described to play a role in driving the differentiation of mesenchymal stem cells to chondrocyte lineage. However, factors such as mechanical agitation on cell chondrogenesis during culture on the microspheres has yet to be elucidated. In this study, we compared the 2D and 3D culture of bone-marrow-derived mesenchymal stem cells (BMSCs) on gelatin microspheres (GMs) in terms of MSC stemness properties, immune-phenotype, multilineage differentiation properties, and proliferation rate. Then, to study the effect of mechanical agitation on chondrogenic differentiation in 3D culture, we cultured BMSCs on GM (BMSCs-GM) in either static or dynamic bioreactor system with two different mediums, i.e., F12: DMEM (1:1) + 10% FBS (FD) and chondrogenic induction medium (CIM). Our results show that BMSCs attached to the GM surface and remained viable in 3D culture. BMSCs-GM proliferated faster and displayed higher stemness properties than BMSCs on a tissue culture plate (BMSCs-TCP). GMs also enhanced the efficiency of in-vitro chondrogenesis of BMSCs, especially in a dynamic culture with higher cell proliferation, RNA expression, and protein expression compared to that in a static culture. To conclude, our results indicate that the 3D culture of BMSCs on gelatin microsphere was superior to 2D culture on a standard tissue culture plate. Furthermore, culturing BMSCs on GM in dynamic culture conditions enhanced their chondrogenic differentiation.
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10
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Asadniaye Fardjahromi M, Razmjou A, Vesey G, Ejeian F, Banerjee B, Chandra Mukhopadhyay S, Ebrahimi Warkiani M. Mussel inspired ZIF8 microcarriers: a new approach for large-scale production of stem cells. RSC Adv 2020; 10:20118-20128. [PMID: 35520442 PMCID: PMC9054200 DOI: 10.1039/d0ra04090h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/12/2020] [Indexed: 12/27/2022] Open
Abstract
Metal–organic frameworks (MOFs) have high porosity, large surface area, and tunable functionality and have been widely used for drug loading. The aim of this study was to exploit unique features of zeolitic imidazolate framework-8 (ZIF8) to develop an innovative composite microcarrier (MC) for human mesenchymal stem cells (hMSCs) adhesion and proliferation. ZIF8 MCs were prepared by immobilization of polydopamine/polyethyleneimine (PDA/PEI) and ZIF8 on the surface of polystyrene beads. The chemical properties of MCs such as coating stability and homogeneity were characterized by different techniques such as ATR-FTIR, XRD, EDX, SEM, and contact angle. The prepared MCs were tested using human adipose-derived mesenchymal stem cells (hADSCs) in both static and dynamic conditions, and results were compared to a commercially available MC (Star-Plus), polydopamine coated MCs and amine-functionalized MCs as a control. Results show that PDA/PEI/ZIF8 coated MCs (in short: ZIF8 MCs) provides an excellent biocompatible environment for hADSCs adhesion and growth. In conclusion, ZIF8 MCs represent suitable and low-cost support for hADSCs culture and expansion, which can maximize cell yield and viability while preserving hADSCs multipotency. The present findings have revealed this strategy has the potential for chemical and topographical modification of MCs in tissue engineering applications. Mussel inspired ZIF8 microcarriers with high surface area, biocompatibility, and nanoscale surface roughness are applied to enhance mesenchymal stem cell attachment and proliferation in 3D cell culture.![]()
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Affiliation(s)
| | - Amir Razmjou
- Department of Biotechnology
- Faculty of Biological Science and Technology
- University of Isfahan
- Isfahan
- Iran
| | | | - Fatemeh Ejeian
- Department of Biotechnology
- Faculty of Biological Science and Technology
- University of Isfahan
- Isfahan
- Iran
| | | | | | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering
- University of Technology Sydney
- Sydney
- Australia
- Institute of Molecular Medicine
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11
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Granel H, Bossard C, Collignon AM, Wauquier F, Lesieur J, Rochefort GY, Jallot E, Lao J, Wittrant Y. Bioactive Glass/Polycaprolactone Hybrid with a Dual Cortical/Trabecular Structure for Bone Regeneration. ACS APPLIED BIO MATERIALS 2019; 2:3473-3483. [DOI: 10.1021/acsabm.9b00407] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Henri Granel
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Cédric Bossard
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Anne-Margaux Collignon
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Fabien Wauquier
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Julie Lesieur
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Gael Y Rochefort
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Edouard Jallot
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Jonathan Lao
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Yohann Wittrant
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
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12
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Zhou A, Ye Z, Zhou Y, Tan WS. Bioactive poly(ε-caprolactone) microspheres with tunable open pores as microcarriers for tissue regeneration. J Biomater Appl 2019; 33:1242-1251. [PMID: 30782056 DOI: 10.1177/0885328218825371] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Microparticles with porous structure can be applied as microcarriers for both cell culture and tissue regeneration. While well-controlled pore structure represents a critical challenge to be achieved. In the present study, in order to develop microcarriers for cell culture, a series of poly(ε-caprolactone) microspheres were fabricated with varied macroporous structures. Poly(ε-caprolactone) microspheres were prepared via the integration of the emulsion/solvent evaporation and particle leaching mechanisms. Particularly, by adjusting poly(ε-caprolactone) concentration and the ratio between the porogen paraffin and poly(ε-caprolactone), the microspheres with the pore size of 25.6-84.0 μm and the porosity of 57.4-75.5% were obtained. Further, the microspheres were subjected to alkaline hydrolysis, followed by surface coating with hydroxyapatite. These porous poly(ε-caprolactone) microspheres with surface modification well supported the adhesion and growth of human fibroblasts. Together, bioactive poly(ε-caprolactone) microspheres with controlled pore structure are potential to be applied in cell culture and tissue regeneration.
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Affiliation(s)
- Anmin Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Zhaoyang Ye
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Yan Zhou
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
| | - Wen-Song Tan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China
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Perucca Orfei C, Talò G, Viganò M, Perteghella S, Lugano G, Fabro Fontana F, Ragni E, Colombini A, De Luca P, Moretti M, Torre ML, de Girolamo L. Silk/Fibroin Microcarriers for Mesenchymal Stem Cell Delivery: Optimization of Cell Seeding by the Design of Experiment. Pharmaceutics 2018; 10:E200. [PMID: 30352986 PMCID: PMC6321597 DOI: 10.3390/pharmaceutics10040200] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 10/18/2018] [Accepted: 10/22/2018] [Indexed: 12/18/2022] Open
Abstract
In this methodological paper, lyophilized fibroin-coated alginate microcarriers (LFAMs) proposed as mesenchymal stem cells (MSCs) delivery systems and optimal MSCs seeding conditions for cell adhesion rate and cell arrangement, was defined by a Design of Experiment (DoE) approach. Cells were co-incubated with microcarriers in a bioreactor for different time intervals and conditions: variable stirring speed, dynamic culture intermittent or continuous, and different volumes of cells-LFAMs loaded in the bioreactor. Intermittent dynamic culture resulted as the most determinant parameter; the volume of LFAMs/cells suspension and the speed used for the dynamic culture contributed as well, whereas time was a less influencing parameter. The optimized seeding conditions were: 98 min of incubation time, 12.3 RPM of speed, and 401.5 µL volume of cells-LFAMs suspension cultured with the intermittent dynamic condition. This DoE predicted protocol was then validated on both human Adipose-derived Stem Cells (hASCs) and human Bone Marrow Stem Cells (hBMSCs), revealing a good cell adhesion rate on the surface of the carriers. In conclusion, microcarriers can be used as cell delivery systems at the target site (by injection or arthroscopic technique), to maintain MSCs and their activity at the injured site for regenerative medicine.
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Affiliation(s)
- Carlotta Perucca Orfei
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Giuseppe Talò
- IRCCS Istituto Ortopedico Galeazzi, Cells and Tissue Engineering Laboratory, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Marco Viganò
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Sara Perteghella
- Department of Drug Sciences, University of Pavia, via T. Taramelli 12, 27100 Pavia, Italy.
| | - Gaia Lugano
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | | | - Enrico Ragni
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Alessandra Colombini
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Paola De Luca
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Matteo Moretti
- IRCCS Istituto Ortopedico Galeazzi, Cells and Tissue Engineering Laboratory, Via R. Galeazzi 4, 20161 Milano, Italy.
| | - Maria Luisa Torre
- Department of Drug Sciences, University of Pavia, via T. Taramelli 12, 27100 Pavia, Italy.
| | - Laura de Girolamo
- IRCCS Istituto Ortopedico Galeazzi, Orthopaedic Biotechnology Lab, Via R. Galeazzi 4, 20161 Milano, Italy.
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Li L, Song K, Chen Y, Wang Y, Shi F, Nie Y, Liu T. Design and Biophysical Characterization of Poly (l-Lactic) Acid Microcarriers with and without Modification of Chitosan and Nanohydroxyapatite. Polymers (Basel) 2018; 10:E1061. [PMID: 30960986 PMCID: PMC6404029 DOI: 10.3390/polym10101061] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 09/22/2018] [Accepted: 09/23/2018] [Indexed: 12/18/2022] Open
Abstract
Nowadays, microcarriers are widely utilized in drug delivery, defect filling, and cell culture. Also, many researchers focus on the combination of synthetic and natural polymers and bioactive ceramics to prepare composite biomaterials for tissue engineering and regeneration. In this study, three kinds of microcarriers were prepared based on physical doping and surface modification, named Poly (l-lactic) acid (PLLA), PLLA/nanohydroxyapatite (PLLA/nHA), and PLLA/nHA/Chitosan (PLLA/nHA/Ch). The physicochemical properties of the microcarriers and their functional performances in MC3T3-E1 cell culture were compared. Statistical results showed that the average diameter of PLLA microcarriers was 291.9 ± 30.7 μm, and that of PLLA/nHA and PLLA/nHA/Ch microcarriers decreased to 275.7 ± 30.6 μm and 269.4 ± 26.3 μm, respectively. The surface roughness and protein adsorption of microcarriers were enhanced with the doping of nHA and coating of chitosan. The cell-carrier cultivation stated that the PLLA/nHA microcarriers had the greatest proliferation-promoting effect, while the PLLA/nHA/Ch microcarriers performed the strongest attachment with MC3T3-E1 cells. Besides, the cells on the PLLA/nHA/Ch microcarriers exhibited optimal osteogenic expression. Generally, chitosan was found to improve microcarriers with superior characteristics in cell adhesion and differentiation, and nanohydroxyapatite was beneficial for microcarriers regarding sphericity and cell proliferation. Overall, the modified microcarriers may be considered as a promising tool for bone tissue engineering.
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Affiliation(s)
- Liying Li
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Yongzhi Chen
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Yiwei Wang
- Burns Research Group, ANZAC Research Institute, Concord, University of Sydney, Sydney, NSW 2139, Australia.
| | - Fangxin Shi
- Zhengzhou Institute of Emerging Technology Industries, Zhengzhou 450000, China.
| | - Yi Nie
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Tianqing Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China.
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Peticone C, De Silva Thompson D, Owens GJ, Kim HW, Micheletti M, Knowles JC, Wall I. Towards modular bone tissue engineering using Ti–Co-doped phosphate glass microspheres: cytocompatibility and dynamic culture studies. J Biomater Appl 2017; 32:295-310. [DOI: 10.1177/0885328217720812] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The production of large quantities of functional vascularized bone tissue ex vivo still represent an unmet clinical challenge. Microcarriers offer a potential solution to scalable manufacture of bone tissue due to their high surface area-to-volume ratio and the capacity to be assembled using a modular approach. Microcarriers made of phosphate bioactive glass doped with titanium dioxide have been previously shown to enhance proliferation of osteoblast progenitors and maturation towards functional osteoblasts. Furthemore, doping with cobalt appears to mimic hypoxic conditions that have a key role in promoting angiogenesis. This characteristic could be exploited to meet the clinical requirement of producing vascularized units of bone tissue. In the current study, the human osteosarcoma cell line MG-63 was cultured on phosphate glass microspheres doped with 5% mol titanium dioxide and different concentrations of cobalt oxide (0%, 2% and 5% mol), under static and dynamic conditions (150 and 300 rpm on an orbital shaker). Cell proliferation and the formation of aggregates of cells and microspheres were observed over a period of two weeks in all glass compositions, thus confirming the biocompatibility of the substrate and the suitability of this system for the formation of compact micro-units of tissue. At the concentrations tested, cobalt was not found to be cytotoxic and did not alter cell metabolism. On the other hand, the dynamic environment played a key role, with moderate agitation having a positive effect on cell proliferation while higher agitation resulting in impaired cell growth. Finally, in static culture assays, the capacity of cobalt doping to induce vascular endothelial growth factor (VEGF) upregulation by osteoblastic cells was observed, but was not found to increase linearly with cobalt oxide content. In conclusion, Ti–Co phosphate glasses were found to support osteoblastic cell growth and aggregate formation that is a necessary precursor to tissue formation and the upregaulation of VEGF production can potentially support vascularization.
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Affiliation(s)
- Carlotta Peticone
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - David De Silva Thompson
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - Gareth J Owens
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Hae-Won Kim
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Martina Micheletti
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Discoveries Centre for Regenerative and Precision Medicine, UCL Campus, Gower Street, London, UK
| | - Ivan Wall
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Discoveries Centre for Regenerative and Precision Medicine, UCL Campus, Gower Street, London, UK
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16
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Song K, Li W, Wang H, Zhang Y, Li L, Wang Y, Wang H, Wang L, Liu T. Development and fabrication of a two-layer tissue engineered osteochondral composite using hybrid hydrogel-cancellous bone scaffolds in a spinner flask. ACTA ACUST UNITED AC 2016; 11:065002. [PMID: 27767021 DOI: 10.1088/1748-6041/11/6/065002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Biological treatment using engineered osteochondral composites has received growing attention for the repair of cartilage defects. Osteochondral composites combined with a dynamic culture provide great potential for improving the quality of constructs and cartilage regeneration as dynamic conditions mimic the in vivo condition where cells were constantly subjected to mechanical and chemical stimulation. In the present study, biophasic composites were produced in vitro consisting of cell-hydrogel (CH) and cell-cancellous bone (CB) constructs, followed by culturing in a dynamic system in a spinner flask. The aim of this study was to investigate cell behaviors (i.e. cell growth, differentiation, distribution and matrix deposition) cultured in different constructs under static and dynamic circumstances. As a result, we found that mechanical stimulation promoted osteogenic and chondrogenic differentiation of cells as indicated by the increased expression of ALP and glycosaminoglycan (GAG) in either bone or cartilage substitute materials. Dynamic culture yielded a preferable extracellular matrix production, particularly in hydrogel scaffolds. In addition, the enhanced mass transfer contributed to the interface formation, cells infiltration and distribution in the osteochondral composites. This study demonstrates that osteochondral composites incorporated with a dynamic culture improved the performance of the constructs, providing the basis for a promising tool and a better strategy for the rapid fabrication of osteochondral substitutes and regeneration of injured cartilage.
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Affiliation(s)
- Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China. Author to whom any correspondence should be addressed. State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering of Dalian University of Technology, Dalian 116024, People's Republic of China
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Mahapatra C, Singh RK, Kim JJ, Patel KD, Perez RA, Jang JH, Kim HW. Osteopromoting Reservoir of Stem Cells: Bioactive Mesoporous Nanocarrier/Collagen Gel through Slow-Releasing FGF18 and the Activated BMP Signaling. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27573-27584. [PMID: 27649064 DOI: 10.1021/acsami.6b09769] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Providing an osteogenic stimulatory environment is a key strategy to construct stem cell-based bone-equivalent tissues. Here we design a stem cell delivering gel matrix made of collagen (Col) with bioactive glass nanocarriers (BGn) that incorporate osteogenic signaling molecule, fibroblast growth factor 18 (FGF18), a reservoir considered to cultivate and promote osteogenesis of mesenchymal stem cells (MSCs). The presence of BGn in the gel was shown to enhance the osteogenic differentiation of MSCs, possibly due to the therapeutic role of ions released. The mesoporous nature of BGn was effective in loading FGF18 at large quantity, and the FGF18 release from the BGn-Col gel matrix was highly sustainable with almost a zero-order kinetics, over 4 weeks as confirmed by the green fluorescence protein signal change. The released FGF18 was effective in accelerating osteogenesis (alkaline phosphatase activity and bone related gene expressions) and bone matrix formation (osteopontin, bone sialoprotein, and osteocalcin production) of MSCs. This was attributed to the bone morphogenetic protein (BMP) signaling pathway, where the FGF18 release stimulated the endogenous secretion of BMP2 and the downstream signal Smad1/5/8. Taken together, the FGF18-BGn/Col gel is considered an excellent osteopromoting depot to support and signal MSCs for bone tissue engineering.
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Affiliation(s)
- Chinmaya Mahapatra
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Jung-Ju Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Kapil D Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Roman A Perez
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Jun-Hyeog Jang
- Department of Biochemistry, Inha University School of Medicine , Incheon 22212, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University , Cheonan 330-714, South Korea
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Pullulan microcarriers for bone tissue regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:439-49. [DOI: 10.1016/j.msec.2016.03.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 02/02/2016] [Accepted: 03/01/2016] [Indexed: 11/21/2022]
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19
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Novel therapeutic core-shell hydrogel scaffolds with sequential delivery of cobalt and bone morphogenetic protein-2 for synergistic bone regeneration. Acta Biomater 2015; 23:295-308. [PMID: 26054564 DOI: 10.1016/j.actbio.2015.06.002] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 05/05/2015] [Accepted: 06/01/2015] [Indexed: 11/21/2022]
Abstract
Enabling early angiogenesis is a crucial issue in the success of bone tissue engineering. Designing scaffolds with therapeutic potential to stimulate angiogenesis as well as osteogenesis is thus considered a promising strategy. Here, we propose a novel scaffold designed to deliver angiogenic and osteogenic factors in a sequential manner to synergize the bone regeneration event. Hydrogel fibrous scaffolds comprised of a collagen-based core and an alginate-based shell were constructed. Bone morphogenetic protein 2 (BMP2) was loaded in the core, while the shell incorporated Co ions, enabled by the alginate crosslinking in CoCl2/CaCl2 solution. The incorporation of Co ions was tunable by altering the concentration of Co ions in the crosslinking solution. The incorporated Co ions, that are known to play a role in angiogenesis, were released rapidly within a week, while the BMP2, acting as an osteogenic factor, was released in a highly sustainable manner over several weeks to months. The release of Co ions significantly up-regulated the in vitro angiogenic properties of cells, including the expression of angiogenic genes (CD31, VEGF, and HIF-1α), secretion of VEGF, and the formation of tubule-like networks. However, BMP2 did not activate the angiogenic processes. Osteogenesis was also significantly enhanced by the release of Co ions as well as BMP2, characterized by higher expression of osteogenic genes (OPN, ALP, BSP, and OCN), and OCN protein secretion. An in vivo study on the designed scaffolds implanted in rat calvarium defect demonstrated significantly enhanced bone formation, evidenced by new bone volume and bone density, due to the release of BMP2 and Co ions. This is the first study using Co ions as an angiogenic element together with the osteogenic factor BMP2 within scaffolds, and the results demonstrated the possible synergistic role of Co ions with BMP2 in the bone regeneration process, suggesting a novel potential therapeutic scaffold system. STATEMENT OF SIGNIFICANCE This is the first report that utilizes Co ion as a pro-angiogenic factor in concert with osteogenic factor BMP-2 in the fine-tuned core-shell hydrogel fiber scaffolds, and ultimately achieves osteo/angiogenesis of MSCs and bone regeneration through the sequential delivery of both biofactors. This novel approach facilitates a new class of therapeutic scaffolds, aiming at successful bone regeneration with the help of angiogenesis.
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In vitro co-culture strategies to prevascularization for bone regeneration: A brief update. Tissue Eng Regen Med 2015. [DOI: 10.1007/s13770-014-0095-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Lee SY, Yun HM, Perez RA, Gallinetti S, Ginebra MP, Choi SJ, Kim EC, Kim HW. Nanotopological-tailored calcium phosphate cements for the odontogenic stimulation of human dental pulp stem cells through integrin signaling. RSC Adv 2015. [DOI: 10.1039/c5ra11564g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Nanotopological-tailored calcium phosphate cements stimulate odontogenesis of human dental pulp cells through integrin-mediated signaling pathways.
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Affiliation(s)
- So-Youn Lee
- Department of Oral and Maxillofacial Pathology and Research Center for Tooth and Periodontal Regeneration (MRC)
- School of Dentistry
- Kyung Hee University
- Seoul
- Republic of Korea
| | - Hyung-Mun Yun
- Department of Oral and Maxillofacial Pathology and Research Center for Tooth and Periodontal Regeneration (MRC)
- School of Dentistry
- Kyung Hee University
- Seoul
- Republic of Korea
| | - Roman A. Perez
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
| | - Sara Gallinetti
- Biomaterials, Biomechanics and Tissue Engineering Group
- Department of Materials Science and Metallurgy
- Technical University of Catalonia (UPC)
- E-08028 Barcelona
- Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group
- Department of Materials Science and Metallurgy
- Technical University of Catalonia (UPC)
- E-08028 Barcelona
- Spain
| | - Seong-Jun Choi
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
| | - Eun-Cheol Kim
- Department of Oral and Maxillofacial Pathology and Research Center for Tooth and Periodontal Regeneration (MRC)
- School of Dentistry
- Kyung Hee University
- Seoul
- Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
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