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Szczodra A, Houaoui A, Agniel R, Sicard L, Miettinen S, Massera J, Gorin C. Boron substitution in silicate bioactive glass scaffolds to enhance bone differentiation and regeneration. Acta Biomater 2024:S1742-7061(24)00436-7. [PMID: 39098444 DOI: 10.1016/j.actbio.2024.07.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/12/2024] [Accepted: 07/29/2024] [Indexed: 08/06/2024]
Abstract
Commercially available bioactive glasses (BAGs) are exclusively used in powder form, due to their tendency to crystallize. Silicate BAG 1393 was developed to allow fiber drawing and scaffold sintering, but its slow degradation limits its potential. To enable scaffold manufacturing while maintaining glass dissolution rate close to that of commercially available BAGs, the borosilicate glass 1393B20 was developed. This study investigates the potential of 1393B20 scaffolds to support bone regeneration and mineralization in vitro and in vivo, in comparison to silicate 1393. Both scaffolds supported human adipose stem cells proliferation, either in direct contact for the 1393, or mainly around for the 1393B20. Similarly, both BAGs induced osteogenesis and angiogenesis in vitro, with a better pro-angiogenic influence of the 1393B20. In addition, these scaffolds supported bone regeneration and osteoclast/osteoblast activity in vivo in critical-sized rat calvarial defect. Nevertheless, mineralization and collagen formation were significantly enhanced for the 1393B20, at 3-months post-implantation, assigned to faster and more complete dissolution of the scaffolds. Thus, 1393B20 demonstrates greater promise for bone tissue engineering certainly due to its time-controlled release of boron and silicon. STATEMENT OF SIGNIFICANCE: Bioactive glasses (BAGs) show great promise in bone tissue engineering as they effectively bond with bone tissue, fostering integration and regeneration. Silicate BAG 1393 was developed to allow fiber drawing and scaffold sintering, but its slow degradation limits its potential. To enable scaffold manufacturing while maintaining glass dissolution rate close to that of commercially available BAGs, the borosilicate glass 1393B20 was developed. Both BAGs induced osteogenesis and angiogenesis in vitro, with a better pro-angiogenic influence of the 1393B20. The presence of boron in the 1393B20 enhanced mineralization and collagen formation in vivo compared to 1393, probably due to its faster dissolution rate. Here, 1393B20 demonstrated greater promise for bone tissue engineering compared to the well-known 1393 BAG.
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Affiliation(s)
- Agata Szczodra
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland
| | - Amel Houaoui
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland; CY Cergy Paris Université, Biomaterials for Health group, ERRMECe, Neuville sur Oise, France
| | - Rémy Agniel
- CY Cergy Paris Université, Biomaterials for Health group, ERRMECe, Neuville sur Oise, France
| | - Ludovic Sicard
- Laboratory URP2496 Orofacial Pathologies, Imaging and Biotherapies, Faculty of Odontology, Université Paris Cité, Montrouge, France; Oral Medicine Service, Prosthetics Department, AP-HP/GH Nord, Paris, France
| | - Susanna Miettinen
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland; Research Services, Wellbeing Services County of Pirkanmaa, Tampere University Hospital, Tampere, Finland
| | - Jonathan Massera
- Tampere University, Faculty of Medicine and Health Technology, Tampere, Finland
| | - Caroline Gorin
- Laboratory URP2496 Orofacial Pathologies, Imaging and Biotherapies, Faculty of Odontology, Université Paris Cité, Montrouge, France; Oral Medicine Service, Prosthetics Department, AP-HP/GH Nord, Paris, France.
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Chen Y, Dai F, Deng T, Wang L, Yang Y, He C, Liu Q, Wu J, Ai F, Song L. An injectable MB/BG@LG sustained release lipid gel with antibacterial and osteogenic properties for efficient treatment of chronic periodontitis in rats. Mater Today Bio 2023; 21:100699. [PMID: 37408697 PMCID: PMC10319327 DOI: 10.1016/j.mtbio.2023.100699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/29/2023] [Accepted: 05/29/2023] [Indexed: 07/07/2023] Open
Abstract
Periodontitis is a chronic inflammatory disease characterized by the colonization of pathogenic microorganisms and the loss of periodontal supporting tissue. However, the existing local drug delivery system for periodontitis has some problems including subpar antibacterial impact, easy loss, and unsatisfactory periodontal regeneration. In this study, a multi-functional and sustained release drug delivery system (MB/BG@LG) was developed by encapsulating methylene blue (MB) and bioactive glass (BG) into the lipid gel (LG) precursor by Macrosol technology. The properties of MB/BG@LG were characterized using a scanning electron microscope, a dynamic shear rotation rheometer, and a release curve. The results showed that MB/BG@LG could not only sustained release for 16 days, but also quickly fill the irregular bone defect caused by periodontitis through in situ hydration. Under 660 nm light irradiation, methylene blue-produced reactive oxygen species (ROS) can reduce local inflammatory response by inhibiting bacterial growth. In addition, in vitro and vivo experiments have shown that MB/BG@LG can effectively promote periodontal tissue regeneration by reducing inflammatory response, promoting cell proliferation and osteogenic differentiation. In summary, MB/BG@LG exhibited excellent adhesion properties, self-assembly properties, and superior drug release control capabilities, which improved the clinical feasibility of its application in complex oral environments.
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Affiliation(s)
- Yeke Chen
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
- The Second Clinical Medical School, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Fang Dai
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
| | - Tian Deng
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
| | - Lijie Wang
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
- The Second Clinical Medical School, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Yuting Yang
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
- The Second Clinical Medical School, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Chenjiang He
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
- The Second Clinical Medical School, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Qiangdong Liu
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
- The Second Clinical Medical School, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Jianxin Wu
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
| | - Fanrong Ai
- School of Advanced Manufacturing, Nanchang University, Nanchang, Jiangxi, 33006, China
| | - Li Song
- Center of Stomatology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, 33006, China
- The Institute of Periodontal Disease, Nanchang University, Nanchang, Jiangxi, 33006, China
- JXHC Key Laboratory of Periodontology (The Second Affiliated Hospital of Nanchang University), Nanchang, Jiangxi, 33006, China
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Uzulmez B, Demirsoy Z, Can O, Gulseren G. Bioinspired Multi-Layer Biopolymer-Based Dental Implant Coating for Enhanced Osseointegration. Macromol Biosci 2023; 23:e2300057. [PMID: 37097091 DOI: 10.1002/mabi.202300057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/13/2023] [Indexed: 04/26/2023]
Abstract
The major drawbacks of metal-based implants are weak osseointegration and post-operational infections. These limitations restrict the long-term use of implants that may cause severe tissue damage and replacement of the implant. Recent strategies to enhance the osseointegration process require an elaborate fabrication process and suffer from post-operative complications. To address the current challenges taking inspiration from the extracellular matrix (ECM), the current study is designed to establish enhanced osseointegration with lowered risk of infection. Natural biopolymer pectin, peptide amphiphiles, and enzyme-mimicking fullerene moieties are governed to present an ECM-like environment around the implant surfaces. This multifunctional approach promotes osseointegration via inducing biomineralization and osteoblast differentiation. Application of the biopolymer-based composite to the metal surfaces significantly enhances cellular attachment, supports the mineral deposition, and upregulates osteoblast-specific gene expression. In addition to the osteoinductive properties of the constructed layers, the inherent antimicrobial properties of multilayer coating are also used to prevent infection possibility. The reported biopolymer-artificial enzyme composite demonstrates antimicrobial activity against Escherichia coli and Bacillus subtilis as a multifunctional surface coating.
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Affiliation(s)
- Betul Uzulmez
- Department of Biotechnology, Konya Food and Agriculture University, Konya, 42080, Turkey
| | - Zeynep Demirsoy
- Department of Biotechnology, Konya Food and Agriculture University, Konya, 42080, Turkey
| | - Ozge Can
- Department of Molecular Biology and Genetics, Konya Food and Agriculture University, Konya, 42080, Turkey
- Department of Bioengineering, Izmir Institute of Technology, Izmir, 35430, Turkey
| | - Gulcihan Gulseren
- Department of Molecular Biology and Genetics, Konya Food and Agriculture University, Konya, 42080, Turkey
- Department of Biotechnology, Konya Food and Agriculture University, Konya, 42080, Turkey
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Hyväri L, Vanhatupa S, Ojansivu M, Kelloniemi M, Pakarinen TK, Hupa L, Miettinen S. Heat Shock Protein 27 Is Involved in the Bioactive Glass Induced Osteogenic Response of Human Mesenchymal Stem Cells. Cells 2023; 12:cells12020224. [PMID: 36672159 PMCID: PMC9856363 DOI: 10.3390/cells12020224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/15/2022] [Accepted: 12/26/2022] [Indexed: 01/06/2023] Open
Abstract
Bioactive glass (BaG) materials are increasingly used in clinics, but their regulatory mechanisms on osteogenic differentiation remain understudied. In this study, we elucidated the currently unknown role of the p38 MAPK downstream target heat shock protein 27 (HSP27), in the osteogenic commitment of human mesenchymal stem cells (hMSCs), derived from adipose tissue (hASCs) and bone marrow (hBMSCs). Osteogenesis was induced with ionic extract of an experimental BaG in osteogenic medium (OM). Our results showed that BaG OM induced fast osteogenesis of hASCs and hBMSCs, demonstrated by enhanced alkaline phosphatase (ALP) activity, production of extracellular matrix protein collagen type I, and matrix mineralization. BaG OM stimulated early and transient activation of p38/HSP27 signaling by phosphorylation in hMSCs. Inhibition of HSP27 phosphorylation with SB202190 reduced the ALP activity, mineralization, and collagen type I production induced by BaG OM. Furthermore, the reduced pHSP27 protein by SB202190 corresponded to a reduced F-actin intensity of hMSCs. The phosphorylation of HSP27 allowed its co-localization with the cytoskeleton. In terminally differentiated cells, however, pHSP27 was found diffusely in the cytoplasm. This study provides the first evidence that HSP27 is involved in hMSC osteogenesis induced with the ionic dissolution products of BaG. Our results indicate that HSP27 phosphorylation plays a role in the osteogenic commitment of hMSCs, possibly through the interaction with the cytoskeleton.
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Affiliation(s)
- Laura Hyväri
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Elämänaukio, Kuntokatu 2, 33520 Tampere, Finland
| | - Sari Vanhatupa
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Elämänaukio, Kuntokatu 2, 33520 Tampere, Finland
| | - Miina Ojansivu
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Elämänaukio, Kuntokatu 2, 33520 Tampere, Finland
| | - Minna Kelloniemi
- Department of Plastic and Reconstructive Surgery, Tampere University Hospital, Elämänaukio, Kuntokatu 2, 33520 Tampere, Finland
| | - Toni-Karri Pakarinen
- Regea Cell and Tissue Center, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Henrikinkatu 2, 20500 Turku, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33520 Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Elämänaukio, Kuntokatu 2, 33520 Tampere, Finland
- Correspondence: ; Tel.: +358-40-1901789
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5
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Mörö A, Samanta S, Honkamäki L, Rangasami VK, Puistola P, Kauppila M, Narkilahti S, Miettinen S, Oommen O, Skottman H. Hyaluronic acid based next generation bioink for 3D bioprinting of human stem cell derived corneal stromal model with innervation. Biofabrication 2022; 15. [PMID: 36579828 DOI: 10.1088/1758-5090/acab34] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/13/2022] [Indexed: 12/15/2022]
Abstract
Corneal transplantation remains gold standard for the treatment of severe cornea diseases, however, scarcity of donor cornea is a serious bottleneck. 3D bioprinting holds tremendous potential for cornea tissue engineering (TE). One of the key technological challenges is to design bioink compositions with ideal printability and cytocompatibility. Photo-crosslinking and ionic crosslinking are often used for the stabilization of 3D bioprinted structures, which can possess limitations on biological functionality of the printed cells. Here, we developed a hyaluronic acid-based dopamine containing bioink using hydrazone crosslinking chemistry for the 3D bioprinting of corneal equivalents. First, the shear thinning property, viscosity, and mechanical stability of the bioink were optimized before extrusion-based 3D bioprinting for the shape fidelity and self-healing property characterizations. Subsequently, human adipose stem cells (hASCs) and hASC-derived corneal stromal keratocytes were used for bioprinting corneal stroma structures and their cell viability, proliferation, microstructure and expression of key proteins (lumican, vimentin, connexin 43,α-smooth muscle actin) were evaluated. Moreover, 3D bioprinted stromal structures were implanted intoex vivoporcine cornea to explore tissue integration. Finally, human pluripotent stem cell derived neurons (hPSC-neurons), were 3D bioprinted to the periphery of the corneal structures to analyze innervation. The bioink showed excellent shear thinning property, viscosity, printability, shape fidelity and self-healing properties with high cytocompatibility. Cells in the printed structures displayed good tissue formation and 3D bioprinted cornea structures demonstrated excellentex vivointegration to host tissue as well asin vitroinnervation. The developed bioink and the printed cornea stromal equivalents hold great potential for cornea TE applications.
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Affiliation(s)
- Anni Mörö
- Eye Regeneration Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
| | - Sumanta Samanta
- Bioengineering and Nanomedicine Lab, Faculty of Medicine and Health Technology, University, Tampere 33720, Finland
| | - Laura Honkamäki
- Neuro Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
| | - Vignesh K Rangasami
- Bioengineering and Nanomedicine Lab, Faculty of Medicine and Health Technology, University, Tampere 33720, Finland
| | - Paula Puistola
- Eye Regeneration Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
| | - Maija Kauppila
- Eye Regeneration Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
| | - Susanna Narkilahti
- Neuro Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere 33520, Finland
| | - Oommen Oommen
- Bioengineering and Nanomedicine Lab, Faculty of Medicine and Health Technology, University, Tampere 33720, Finland
| | - Heli Skottman
- Eye Regeneration Group, Faculty of Medicine and Health Technology, Tampere University, Tampere 33520, Finland
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Gebraad A, Ohlsbom R, Miettinen JJ, Emeh P, Pakarinen TK, Manninen M, Eskelinen A, Kuismanen K, Slipicevic A, Lehmann F, Nupponen NN, Heckman CA, Miettinen S. Growth Response and Differentiation of Bone Marrow-Derived Mesenchymal Stem/Stromal Cells in the Presence of Novel Multiple Myeloma Drug Melflufen. Cells 2022; 11:cells11091574. [PMID: 35563880 PMCID: PMC9103864 DOI: 10.3390/cells11091574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/30/2022] [Accepted: 05/03/2022] [Indexed: 02/05/2023] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are self-renewing and multipotent progenitors, which constitute the main cellular compartment of the bone marrow stroma. Because MSCs have an important role in the pathogenesis of multiple myeloma, it is essential to know if novel drugs target MSCs. Melflufen is a novel anticancer peptide–drug conjugate compound for patients with relapsed refractory multiple myeloma. Here, we studied the cytotoxicity of melflufen, melphalan and doxorubicin in healthy human bone marrow-derived MSCs (BMSCs) and how these drugs affect BMSC proliferation. We established co-cultures of BMSCs with MM.1S myeloma cells to see if BMSCs increase or decrease the cytotoxicity of melflufen, melphalan, bortezomib and doxorubicin. We evaluated how the drugs affect BMSC differentiation into adipocytes and osteoblasts and the BMSC-supported formation of vascular networks. Our results showed that BMSCs were more sensitive to melflufen than to melphalan. The cytotoxicity of melflufen in myeloma cells was not affected by the co-culture with BMSCs, as was the case for melphalan, bortezomib and doxorubicin. Adipogenesis, osteogenesis and BMSC-mediated angiogenesis were all affected by melflufen. Melphalan and doxorubicin affected BMSC differentiation in similar ways. The effects on adipogenesis and osteogenesis were not solely because of effects on proliferation, seen from the differential expression of differentiation markers normalized by cell number. Overall, our results indicate that melflufen has a significant impact on BMSCs, which could possibly affect therapy outcome.
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Affiliation(s)
- Arjen Gebraad
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (R.O.); (P.E.); (S.M.)
- Research, Development and Innovation Centre, Tampere University Hospital, 33520 Tampere, Finland
- Correspondence:
| | - Roope Ohlsbom
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (R.O.); (P.E.); (S.M.)
- Research, Development and Innovation Centre, Tampere University Hospital, 33520 Tampere, Finland
| | - Juho J. Miettinen
- Institute for Molecular Medicine Finland-FIMM, HiLIFE–Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, 00290 Helsinki, Finland; (J.J.M.); (C.A.H.)
| | - Promise Emeh
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (R.O.); (P.E.); (S.M.)
- Research, Development and Innovation Centre, Tampere University Hospital, 33520 Tampere, Finland
| | - Toni-Karri Pakarinen
- Department of Musculoskeletal Diseases, Tampere University Hospital, 33520 Tampere, Finland;
| | | | - Antti Eskelinen
- Coxa Hospital for Joint Replacement, Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland;
| | - Kirsi Kuismanen
- Department of Obstetrics and Gynecology, Tampere University Hospital, 33520 Tampere, Finland;
| | - Ana Slipicevic
- Oncopeptides AB, 111 37 Stockholm, Sweden; (A.S.); (F.L.); (N.N.N.)
| | - Fredrik Lehmann
- Oncopeptides AB, 111 37 Stockholm, Sweden; (A.S.); (F.L.); (N.N.N.)
| | - Nina N. Nupponen
- Oncopeptides AB, 111 37 Stockholm, Sweden; (A.S.); (F.L.); (N.N.N.)
| | - Caroline A. Heckman
- Institute for Molecular Medicine Finland-FIMM, HiLIFE–Helsinki Institute of Life Science, iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, 00290 Helsinki, Finland; (J.J.M.); (C.A.H.)
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (R.O.); (P.E.); (S.M.)
- Research, Development and Innovation Centre, Tampere University Hospital, 33520 Tampere, Finland
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Mesoporous Bioglasses Enriched with Bioactive Agents for Bone Repair, with a Special Highlight of María Vallet-Regí’s Contribution. Pharmaceutics 2022; 14:pharmaceutics14010202. [PMID: 35057097 PMCID: PMC8778065 DOI: 10.3390/pharmaceutics14010202] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/05/2022] [Accepted: 01/13/2022] [Indexed: 02/04/2023] Open
Abstract
Throughout her impressive scientific career, Prof. María Vallet-Regí opened various research lines aimed at designing new bioceramics, including mesoporous bioactive glasses for bone tissue engineering applications. These bioactive glasses can be considered a spin-off of silica mesoporous materials because they are designed with a similar technical approach. Mesoporous glasses in addition to SiO2 contain significant amounts of other oxides, particularly CaO and P2O5 and therefore, they exhibit quite different properties and clinical applications than mesoporous silica compounds. Both materials exhibit ordered mesoporous structures with a very narrow pore size distribution that are achieved by using surfactants during their synthesis. The characteristics of mesoporous glasses made them suitable to be enriched with various osteogenic agents, namely inorganic ions and biopeptides as well as mesenchymal cells. In the present review, we summarize the evolution of mesoporous bioactive glasses research for bone repair, with a special highlight on the impact of Prof. María Vallet-Regí´s contribution to the field.
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Aslankoohi N, Lin S, Mequanint K. Bioactive fluorescent hybrid microparticles as a stand-alone osteogenic differentiation inducer. Mater Today Bio 2022; 13:100187. [PMID: 34977526 PMCID: PMC8683730 DOI: 10.1016/j.mtbio.2021.100187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 12/02/2022] Open
Abstract
Osteogenic differentiation of stem cells is one of the essential steps in bone regeneration. While supplementing exogenous factors using differentiation media is the established method to differentiate stem cells into osteoblasts on biomaterials, designing biomaterials that can act as a stand-alone differentiation inducer and promote bone regeneration is preferred for clinical translation. In this work, we report dexamethasone-loaded organic-inorganic hybrid microparticles synthesized from an intrinsically fluorescent poly (ester amide) and tertiary bioactive glass (PEA-BG) as a stand-alone osteogenic differentiation inducer. The mechanical properties data indicated that the compressive modulus of fluorescent hybrid microparticles could be modulated by its composition. The hybrid fluorescent microparticles supported the adhesion and proliferation of 10T1/2 cells in culture for up to seven days. Both pristine and dexamethasone-loaded PEA-BG microparticles were able to induce osteogenic differentiation of 10T1/2 cells in the absence of any media supplement, to a level even higher than standard osteogenic media, as evidenced by the expression of osteogenic markers on gene and protein levels and matrix mineralization. Taken together, the fluorescent PEA-BG hybrid microparticles have the potential to be used as a stand-alone biomaterial for osteogenic differentiation and bone regeneration.
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Affiliation(s)
- Neda Aslankoohi
- School of Biomedical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Shigang Lin
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Kibret Mequanint
- School of Biomedical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
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Smith S, ElKashty O, Tamimi F, Tran SD, Cerruti M. Titanium-Containing Silicate-Based Sol-Gel Bioactive Glass: Development, Characterization, and Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:14243-14253. [PMID: 34860533 DOI: 10.1021/acs.langmuir.1c01593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Bioactive glasses are surface-reactive glasses that, when placed in physiological fluid, undergo a transformation from glass to hydroxyapatite. Doping the bioactive glass with metallic ions can impart desirable and unique properties that are not inherent to natural hydroxyapatite. Once such ion is titanium. Titanium exists in trace amounts in native dental enamel, and its presence has been correlated with increased tooth hardness and brightness, both desirable clinical properties. Synthetic titanium-substituted hydroxyapatite exhibits better mechanical and antibacterial properties and demonstrates potential for an improved cellular response when compared to unmodified hydroxyapatite with applications in the broader field of bone tissue engineering. In this work, we use the sol-gel method to synthesize a titanium-containing silicate-based bioactive glass aimed at generating titanium-substituted hydroxyapatite on the glass surface upon immersion in body fluid. Titanium is homogeneously distributed throughout our glass, which keeps its amorphous nature. After 14 days of immersion in simulated body fluid, the glass forms a titanium-substituted hydroxyapatite on its surface. Enamel surfaces treated with the titanium-containing glass show significantly increased microhardness compared to enamel surfaces treated with a control glass, confirming the potential for the proposed glass in enamel remineralization. We also show that the presence of titanium in the glass promotes cell differentiation toward bone formation, suggesting further applications for this material in the broader field of bone tissue engineering.
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Affiliation(s)
- Sophia Smith
- Department of Mining and Materials Engineering, McGill University, Montreal, Quebec H3A 2T5, Canada
| | - Osama ElKashty
- Faculty of Dentistry, McGill University, Montreal, Quebec H3A 2T5, Canada
- Oral Pathology Department, Faculty of Dentistry, Mansoura University, Mansoura 35516, Egypt
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, Montreal, Quebec H3A 2T5, Canada
| | - Simon D Tran
- Faculty of Dentistry, McGill University, Montreal, Quebec H3A 2T5, Canada
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, Montreal, Quebec H3A 2T5, Canada
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10
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Juntunen M, Heinonen S, Huhtala H, Rissanen A, Kaprio J, Kuismanen K, Pietiläinen KH, Miettinen S, Patrikoski M. Evaluation of the effect of donor weight on adipose stromal/stem cell characteristics by using weight-discordant monozygotic twin pairs. Stem Cell Res Ther 2021; 12:516. [PMID: 34565451 PMCID: PMC8474937 DOI: 10.1186/s13287-021-02587-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 09/11/2021] [Indexed: 02/06/2023] Open
Abstract
Background Adipose stromal/stem cells (ASCs) are promising candidates for future clinical applications. ASCs have regenerative capacity, low immunogenicity, and immunomodulatory ability. The success of future cell-based therapies depends on the appropriate selection of donors. Several factors, including age, sex, and body mass index (BMI), may influence ASC characteristics. Our aim was to investigate the effect of acquired weight on ASC characteristics under the same genetic background using ASCs derived from monozygotic (MZ) twin pairs.
Methods ASCs were isolated from subcutaneous adipose tissue from five weight-discordant (WD, within-pair difference in BMI > 3 kg/m2) MZ twin pairs, with measured BMI and metabolic status. The ASC immunophenotype, proliferation and osteogenic and adipogenic differentiation capacity were studied. ASC immunogenicity, immunosuppression capacity and the expression of inflammation markers were investigated. ASC angiogenic potential was assessed in cocultures with endothelial cells. Results ASCs showed low immunogenicity, proliferation, and osteogenic differentiation capacity independent of weight among all donors. ASCs showed a mesenchymal stem cell-like immunophenotype; however, the expression of CD146 was significantly higher in leaner WD twins than in heavier cotwins. ASCs from heavier twins from WD pairs showed significantly greater adipogenic differentiation capacity and higher expression of TNF and lower angiogenic potential compared with their leaner cotwins. ASCs showed immunosuppressive capacity in direct cocultures; however, heavier WD twins showed stronger immunosuppressive capacity than leaner cotwins. Conclusions Our genetically matched data suggest that a higher weight of the donor may have some effect on ASC characteristics, especially on angiogenic and adipogenic potential, which should be considered when ASCs are used clinically. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02587-0.
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Affiliation(s)
- Miia Juntunen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland. .,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland.
| | - Sini Heinonen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Obesity Center, Abdominal Center, Endocrinology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Heini Huhtala
- Faculty of Social Sciences, University of Tampere, Tampere, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine FIMM, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Kirsi Kuismanen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Department of Obstetrics and Gynecology, Tampere University Hospital, Tampere, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Obesity Center, Abdominal Center, Endocrinology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Mimmi Patrikoski
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland.,Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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11
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Mg-BGNs/DCECM Composite Scaffold for Cartilage Regeneration: A Preliminary In Vitro Study. Pharmaceutics 2021; 13:pharmaceutics13101550. [PMID: 34683844 PMCID: PMC8541534 DOI: 10.3390/pharmaceutics13101550] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/16/2021] [Accepted: 09/20/2021] [Indexed: 11/17/2022] Open
Abstract
Cartilage lesions can lead to progressive cartilage degeneration; moreover, they involve the subchondral bone, resulting in osteoarthritis (OA) onset and progression. Bioactive glasses, with the dual function of supporting both bone and cartilage regeneration, have become a promising biomaterial for cartilage/bone engineering applications. This is especially true for those containing therapeutic ions, which act as ion delivery systems and may further promote cartilage repair. In this study, we successfully fabricated Mg-containing bioactive glass nanospheres (Mg-BGNs) and constructed three different scaffolds, DCECM, Mg-BGNs-1/DCECM (1% Mg-BGNs), and Mg-BGNs-2/DCECM (10% Mg-BGNs) scaffold, by incorporating Mg-BGNs into decellularized cartilage extracellular matrix (DCECM). All three scaffolds showed favorable microarchitectural and ion controlled-release properties within the ideal range of pore size for tissue engineering applications. Furthermore, all scaffolds showed excellent biocompatibility and no signs of toxicity. Most importantly, the addition of Mg-BGNs to the DCECM scaffolds significantly promoted cell proliferation and enhanced chondrogenic differentiation induction of mesenchymal stem cells (MSCs) in pellet culture in a dose-dependent manner. Collectively, the multifunctional Mg-BGNs/DCECM composite scaffold not only demonstrated biocompatibility but also a significant chondrogenic response. Our study suggests that the Mg-BGNs/DCECM composite scaffold would be a promising tissue engineering tool for osteochondral lesions, with the ability to simultaneously stimulate articular cartilage and subchondral bone regeneration.
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12
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Hoikkala NPJ, Siekkinen M, Hupa L, Vallittu PK. Behaviour of different bioactive glasses incorporated in polydimethylsiloxane endodontic sealer. Dent Mater 2021; 37:321-327. [PMID: 33441248 DOI: 10.1016/j.dental.2020.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/06/2020] [Accepted: 11/21/2020] [Indexed: 11/19/2022]
Abstract
OBJECTIVES The aim of this study was to analyze the behavior of different bioactive glass fillers (BAGs) embedded in a polydimethylsiloxane matrix of an endodontic sealer. METHODS Three different endodontic sealers were fabricated using S53P4, 45S5 and 18-06 glass fillers. Endodontic sealer Guttaflow Bioseal consisting of polydimethylsiloxane (PDMS) matrix was used as base of the experimental sealers. Behaviors of different glass fillers leaching from polymer matrix was studied in vitro for 14 days by measuring static ion dissolution profiles of Si, Na, Ca and P -ions. In addition, pH of the simulated bodyfluid (SBF) was monitored during the 14 days and all the sealer samples was examined with SEM/EDX analysis on the surface. Identical but non-glass filler containing polydimethylsiloxane-based sealer was used as a control material. RESULTS By the time point of 24 h sealer with 45S5 had released twice as much of Si-ions compared to sealer with S53P4. No statistical differences of Na, Ca and P -ions dissolution were observed in the first 168 h for any groups whereas concentrations of Ca and P -ions decreased with 45S5 significantly after 336 h. Highest pH was measured for sealers with glass filler 45S5 and S53P4 (7.64-7.65). Visible mineral precipitation was observed only on sealer surfaces after 336 h' time period with groups of 45S5 and S53P4. However, presence of calcium and phosphorus oxides was confirmed only with 45S5. SIGNIFICANCE Bioactive glass type 45S5 outperforms S53P4 and 18-06 by acting more dynamically in vitro set-up.
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Affiliation(s)
- Niko-Pekka J Hoikkala
- Department of Biomaterials Science and Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Lemminkäisenkatu 2, FI-20520 Turku, Finland.
| | - Minna Siekkinen
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Piispankatu 8, 20500 Turku, Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Piispankatu 8, 20500 Turku, Finland
| | - Pekka K Vallittu
- Department of Biomaterials Science and Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Lemminkäisenkatu 2, FI-20520 Turku, Finland; City of Turku Welfare Division, Oral Health Care, Turku, Finland
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13
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Park H, Collignon AM, Lepry WC, Ramirez-GarciaLuna JL, Rosenzweig DH, Chaussain C, Nazhat SN. Acellular dense collagen-S53P4 bioactive glass hybrid gel scaffolds form more bone than stem cell delivered constructs. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 120:111743. [PMID: 33545885 DOI: 10.1016/j.msec.2020.111743] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 10/21/2020] [Accepted: 11/13/2020] [Indexed: 01/07/2023]
Abstract
Dense collagen (DC) gels facilitate the osteoblastic differentiation of seeded dental pulp stem cells (DPSCs) and undergo rapid acellular mineralization when incorporated with bioactive glass particles, both in vitro and subcutaneously in vivo. However, the potential of DC-bioactive glass hybrid gels in delivering DPSCs for bone regeneration in an osseous site has not been investigated. In this study, the efficacies of both acellular and DPSC-seeded DC-S53P4 bioactive glass [(53)SiO2-(23)Na2O-(20)CaO-(4)P2O5, wt%] hybrid gels were investigated in a critical-sized murine calvarial defect. The incorporation of S53P4, an osteostimulative bioactive glass, into DC gels led to its accelerated acellular mineralization in simulated body fluid (SBF), in vitro, where hydroxycarbonated apatite was detected within 1 day. By day 7 in SBF, micro-mechanical analysis demonstrated an 8-fold increase in the compressive modulus of the mineralized gels. The in-situ effect of the bioactive glass on human-DPSCs within DC-S53P4 was evident, by their osteogenic differentiation in the absence of osteogenic supplements. The production of alkaline phosphatase and collagen type I was further increased when cultured in osteogenic media. This osteostimulative effect of DC-S53P4 constructs was confirmed in vivo, where after 8 weeks implantation, both acellular scaffolds and DPSC-seeded DC-S53P4 constructs formed mineralized and vascularized bone matrices with osteoblastic and osteoclastic cell activity. Surprisingly, however, in vivo micro-CT analysis confirmed that the acellular scaffolds generated larger volumes of bone, already visible at week 3 and exhibiting superior trabecular architecture. The results of this study suggest that DC-S53P4 scaffolds negate the need for stem cell delivery for effective bone tissue regeneration and may expedite their path towards clinical applications.
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Affiliation(s)
- Hyeree Park
- Department of Mining and Materials Engineering, McGill University, Canada
| | - Anne-Margaux Collignon
- Université de Paris, URP 2496 Laboratory Orofacial Pathologies, Imaging, and Biotherapies and Life Imaging Platform (PIV), Montrouge, France; AP-HP, GH Nord Université de Paris (Louis Mourier and Bretonneau hospitals), France
| | - William C Lepry
- Department of Mining and Materials Engineering, McGill University, Canada
| | | | - Derek H Rosenzweig
- Division of Orthopedic Surgery, McGill University, Canada; Injury, Repair and Recovery Program, Research Institute of McGill University Health Centre, Canada
| | - Catherine Chaussain
- Université de Paris, URP 2496 Laboratory Orofacial Pathologies, Imaging, and Biotherapies and Life Imaging Platform (PIV), Montrouge, France; AP-HP, GH Nord Université de Paris (Louis Mourier and Bretonneau hospitals), France
| | - Showan N Nazhat
- Department of Mining and Materials Engineering, McGill University, Canada.
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West-Livingston LN, Park J, Lee SJ, Atala A, Yoo JJ. The Role of the Microenvironment in Controlling the Fate of Bioprinted Stem Cells. Chem Rev 2020; 120:11056-11092. [PMID: 32558555 PMCID: PMC7676498 DOI: 10.1021/acs.chemrev.0c00126] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The field of tissue engineering and regenerative medicine has made numerous advances in recent years in the arena of fabricating multifunctional, three-dimensional (3D) tissue constructs. This can be attributed to novel approaches in the bioprinting of stem cells. There are expansive options in bioprinting technology that have become more refined and specialized over the years, and stem cells address many limitations in cell source, expansion, and development of bioengineered tissue constructs. While bioprinted stem cells present an opportunity to replicate physiological microenvironments with precision, the future of this practice relies heavily on the optimization of the cellular microenvironment. To fabricate tissue constructs that are useful in replicating physiological conditions in laboratory settings, or in preparation for transplantation to a living host, the microenvironment must mimic conditions that allow bioprinted stem cells to proliferate, differentiate, and migrate. The advances of bioprinting stem cells and directing cell fate have the potential to provide feasible and translatable approach to creating complex tissues and organs. This review will examine the methods through which bioprinted stem cells are differentiated into desired cell lineages through biochemical, biological, and biomechanical techniques.
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Affiliation(s)
- Lauren N. West-Livingston
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, United States
| | - Jihoon Park
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, United States
| | - Sang Jin Lee
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, United States
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, United States
| | - James J. Yoo
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC 27157, United States
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15
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Yan L, Li H, Xia W. Bioglass could increase cell membrane fluidity with ion products to develop its bioactivity. Cell Prolif 2020; 53:e12906. [PMID: 33043500 PMCID: PMC7653244 DOI: 10.1111/cpr.12906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 08/21/2020] [Accepted: 08/25/2020] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES Silicate bioactive glass (BG) has been widely demonstrated to stimulate both of the hard and soft tissue regeneration, in which ion products released from BG play important roles. However, the mechanism by which ion products act on cells on cells is unclear. MATERIALS AND METHODS Human umbilical vein endothelial cells and human bone marrow stromal cells were used in this study. Fluorescence recovery after photobleaching and generalized polarization was used to characterize changes in cell membrane fluidity. Migration, differentiation and apoptosis experiments were carried out. RNA and protein chip were detected. The signal cascade is simulated to evaluate the effect of increased cell membrane fluidity on signal transduction. RESULTS We have demonstrated that ion products released from BG could effectively enhance cell membrane fluidity in a direct and physical way, and Si ions may play a major role. Bioactivities of BG ion products on cells, such as migration and differentiation, were regulated by membrane fluidity. Furthermore, we have proved that BG ion products could promote apoptosis of injured cells based on our conclusion that BG ion products increased membrane fluidity. CONCLUSIONS This study proved that BG ion products could develop its bioactivity on cells by directly enhancing cell membrane fluidity and subsequently affected cell behaviours, which may provide an explanation for the general bioactivities of silicate material.
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Affiliation(s)
- Longxin Yan
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Haiyan Li
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Weiliang Xia
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
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Zeimaran E, Pourshahrestani S, Nam HY, Abd Razak NAB, Kalantari K, Kamarul T, Salamatinia B, Kadri NA. Engineering stiffness in highly porous biomimetic gelatin/tertiary bioactive glass hybrid scaffolds using graphene nanosheets. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2020.104668] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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17
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Suárez M, Fernández-García E, Fernández A, López-Píriz R, Díaz R, Torrecillas R. Novel antimicrobial phosphate-free glass-ceramic scaffolds for bone tissue regeneration. Sci Rep 2020; 10:13171. [PMID: 32826917 PMCID: PMC7442813 DOI: 10.1038/s41598-020-68370-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 06/24/2020] [Indexed: 12/25/2022] Open
Abstract
In this study a phosphate-free glass-ceramic porous scaffold was synthesized by a three-step methodology involving slurry preparation, induction of porosity by surfactant-assisted foaming following by freeze-drying and sintering. This inorganic scaffold was characterized by X-ray diffraction, scanning electron microscope (SEM), degradation and bioactivity. Thermal treatment at 750 °C showed two new crystalline phases, combeite and nepheline, into the glassy matrix responsible for its properties. The cell response of the scaffold was also evaluated for using as a bone graft substitute. A commercial Biphasic Calcium Phosphate, BCP, scaffold was assessed in parallel as reference material. Microstructures obtained by SEM showed the presence of macro, meso and microporosity. The glass-ceramic scaffold possesses an interconnected porosity around 31% with a crack-pore system that promote the protein adsorption and cell attachment. Glass-ceramic scaffold with high concentration of calcium ions shows an antimicrobial behavior against Escherichia coli after 24 h of contact. Nepheline phase present in the glass-ceramic structure is responsible for its high mechanical properties being around 87 MPa. Glass-ceramic scaffold promotes greater protein adsorption and therefore the attachment, spreading and osteodifferentiation of Adipose Derived Stem Cells than BCP scaffold. A higher calcification was induced by glass-ceramic scaffold compared to reference BCP material.
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Affiliation(s)
- M Suárez
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain.
- Instituto de Investigación Sanitaria del Principado de Asturias, Av. Roma, s/n, 33011, Oviedo, Asturias, Spain.
| | - E Fernández-García
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain
| | - A Fernández
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Av. Roma, s/n, 33011, Oviedo, Asturias, Spain
| | - R López-Píriz
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain
| | - R Díaz
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Av. Roma, s/n, 33011, Oviedo, Asturias, Spain
| | - R Torrecillas
- Nanomaterials and Nanotechnology Research Center (CINN-CSIC), Universidad de Oviedo (UO), Principado de Asturias, Avda de la Vega 4-6, 33940, El Entrego, Spain
- Instituto de Investigación Sanitaria del Principado de Asturias, Av. Roma, s/n, 33011, Oviedo, Asturias, Spain
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Development of novel human in vitro vascularized adipose tissue model with functional macrophages. Cytotechnology 2020; 72:665-683. [PMID: 32524217 PMCID: PMC7547925 DOI: 10.1007/s10616-020-00407-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 06/04/2020] [Indexed: 01/16/2023] Open
Abstract
Inflammation has been proven significant factor in development of type 2 diabetes. So far, most of the adipose tissue related research has been performed in animals, mainly rodent models. The relevance of translation of animal results to humans is questionable. However, in vitro model with relevant human cell source, such as human adipose tissue stromal cells (hASC), can be developed and should be utilized for human adipose tissue research. We developed in vitro models of human adipose tissue utilizing hASC, endothelial cells and monocytes/macrophages. By isolating endothelial cells and macrophages from same adipose tissue as hASC, we were able to provide method for constructing personalized models of adipose tissue. With these models, we studied the effect of macrophages on adipogenesis and protein secretion, with and without vasculature. The models were analyzed for immunocytochemical markers, cell number, triglyceride accumulation and protein secretion. We found that lipid accumulation was greater in adipocytes in the presence of macrophages. Interferon gamma increased this difference between adipocyte culture and Adipocyte-Macrophage co-culture. Protein secretion was affected more by macrophages when vasculature was not present compared to the mild effect when vasculature was present. The vascularized adipose model with macrophages is valuable tool for human adipose tissue research, especially for the personalized medicine approaches; for choosing the right treatments and for studying rare medical conditions.
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Vuornos K, Huhtala H, Kääriäinen M, Kuismanen K, Hupa L, Kellomäki M, Miettinen S. Bioactive glass ions for
in vitro
osteogenesis and microvascularization in gellan gum‐collagen hydrogels. J Biomed Mater Res B Appl Biomater 2020; 108:1332-1342. [DOI: 10.1002/jbm.b.34482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/31/2019] [Accepted: 08/17/2019] [Indexed: 01/12/2023]
Affiliation(s)
- Kaisa Vuornos
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
- Research, Development and Innovation CentreTampere University Hospital Tampere Finland
| | - Heini Huhtala
- Faculty of Social SciencesTampere University Tampere Finland
| | - Minna Kääriäinen
- Department of Plastic and Reconstructive SurgeryTampere University Hospital Tampere Finland
| | - Kirsi Kuismanen
- Department of Obstetrics and GynecologyTampere University Hospital Tampere Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centreåbo Akademi University åbo Finland
| | - Minna Kellomäki
- Biomaterials and Tissue Engineering Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health TechnologyTampere University Tampere Finland
- Research, Development and Innovation CentreTampere University Hospital Tampere Finland
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Li Y, Xu T, Tu Z, Dai W, Xue Y, Tang C, Gao W, Mao C, Lei B, Lin C. Bioactive antibacterial silica-based nanocomposites hydrogel scaffolds with high angiogenesis for promoting diabetic wound healing and skin repair. Am J Cancer Res 2020; 10:4929-4943. [PMID: 32308759 PMCID: PMC7163448 DOI: 10.7150/thno.41839] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 03/06/2020] [Indexed: 12/18/2022] Open
Abstract
Diabetic wound repair and skin regeneration remains a worldwide challenge due to the impaired functionality of re-vascularization. Methods: This study reports a bioactive self-healing antibacterial injectable dual-network silica-based nanocomposite hydrogel scaffolds that can significantly enhance the diabetic wound healing/skin tissue formation through promoting early angiogenesis without adding any bioactive factors. The nanocomposite scaffold comprises a main network of polyethylene glycol diacrylate (PEGDA) forming scaffolds, with an auxiliary dynamic network formed between bioactive glass nanoparticles containing copper (BGNC) and sodium alginate (ALG) (PABC scaffolds). Results: PABC scaffolds exhibit the biomimetic elastomeric mechanical properties, excellent injectabilities, self-healing behavior, as well as the robust broad-spectrum antibacterial activity. Importantly, PABC hydrogel significantly promoted the viability, proliferation and angiogenic ability of endothelial progenitor cells (EPCs) in vitro. In vivo, PABC hydrogel could efficiently restore blood vessels networks through enhancing HIF-1α/VEGF expression and collagen matrix deposition in the full-thickness diabetic wound, and significantly accelerate wound healing and skin tissue regeneration. Conclusion: The prominent multifunctional properties and angiogenic capacity of PABC hydrogel scaffolds enable their promising applications in angiogenesis-related regenerative medicine.
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Bellucci D, Veronesi E, Dominici M, Cannillo V. A new bioactive glass with extremely high crystallization temperature and outstanding biological performance. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110699. [PMID: 32204013 DOI: 10.1016/j.msec.2020.110699] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/15/2020] [Accepted: 01/27/2020] [Indexed: 11/26/2022]
Abstract
In this work, a new bioactive glass was designed, prepared by means of a melt-quenching route and characterized in terms of both thermal properties and biological performance. The main objective was to obtain a novel product with high temperature of crystallization in view of possible thermal treatments, as well as remarkable biological responsiveness. Thermal behavior was investigated by heating microscopy, differential thermal analysis (DTA) and sintering tests. The glass displayed a very high crystallization temperature and the samples remained completely amorphous after sintering. Bioactivity was evaluated by means of Simulated Body Fluid (SBF) assay, which is a widely used method to preliminary investigate samples' reactivity in vitro; the glass showed a strong apatite forming ability. Additionally, in order to exclude cytotoxic effects, biocompatibility was verified according to ISO standard 10993. Finally, the biological potential of the new glass was tested by using an innovative 3D cellular model, that mimicked the potential clinical application of a given biomaterial. Human bone marrow mesenchymal stem cells (BM-MSCs) were employed to study the performance of bioactive glass granules in such 3D cellular model. The results showed that the bioactive glass supported human BM-MSCs adhesion, colonization and bone differentiation. Thus, this new bioactive glass looks particularly promising for orthopedic applications, bone tissue engineering and regenerative medicine, especially when a thermal treatment is necessary for the production of specific devices.
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Affiliation(s)
- Devis Bellucci
- Department of Engineering "Enzo Ferrari", University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
| | - Elena Veronesi
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; Scientific and Technological Park of Medicine "Mario Veronesi", Via 29 Maggio 6, 41037 Mirandola, Italy
| | - Massimo Dominici
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; Scientific and Technological Park of Medicine "Mario Veronesi", Via 29 Maggio 6, 41037 Mirandola, Italy
| | - Valeria Cannillo
- Department of Engineering "Enzo Ferrari", University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy.
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Wang X, Molino BZ, Pitkänen S, Ojansivu M, Xu C, Hannula M, Hyttinen J, Miettinen S, Hupa L, Wallace G. 3D Scaffolds of Polycaprolactone/Copper-Doped Bioactive Glass: Architecture Engineering with Additive Manufacturing and Cellular Assessments in a Coculture of Bone Marrow Stem Cells and Endothelial Cells. ACS Biomater Sci Eng 2019; 5:4496-4510. [PMID: 33438415 DOI: 10.1021/acsbiomaterials.9b00105] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The local delivery of Cu2+ from copper-doped bioactive glass (Cu-BaG) was combined with 3D printing of polycaprolactone (PCL) scaffolds for its potent angiogenic effect in bone tissue engineering. PCL and Cu-BaG were, respectively, dissolved and dispersed in acetone to formulate a moderately homogeneous ink. The PCL/Cu-BaG scaffolds were fabricated via direct ink writing into a cold ethanol bath. The architecture of the printed scaffolds, including strut diameter, strut spacing, and porosity, were investigated and characterized. The PCL/Cu-BaG scaffolds showed a Cu-BaG content-dependent mechanical property, as the compressive Young's modulus ranged from 7 to 13 MPa at an apparent porosity of 60%. The ion dissolution behavior in simulated body fluid was evaluated, and the hydroxyapatite-like precipitation on the strut surface was confirmed. Furthermore, the cytocompatibility of the PCL/Cu-BaG scaffolds was assessed in human bone marrow stem cell (hBMSC) culture, and a dose-dependent cytotoxicity of Cu2+ was observed. Here, the PCL/BaG scaffold induced the higher expression of late osteogenic genes OSTEOCALCIN and DLX5 in comparison to the PCL scaffold. The doping of Cu2+ in BaG elicited higher expression of the early osteogenic marker gene RUNX2a but decreased the expression of late osteogenic marker genes OSTEOCALCIN and DLX5 in comparison to the PCL/BaG scaffold, demonstrating the suppressing effect of Cu2+ on osteogenic differentiation of hBMSCs. In a coculture of hBMSCs and human umbilical vein endothelial cells, both the PCL/BaG and PCL/Cu-BaG scaffolds stimulated the formation of a denser tubule network, compared to the PCL scaffold. Meanwhile, only slightly higher gene expression of vWF was observed with the PCL/Cu-BaG scaffold than with the PCL/BaG scaffold, indicating the potent angiogenic effect of the released Cu2+.
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Affiliation(s)
- Xiaoju Wang
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Piispankatu 8, 20500 Turku, Finland
| | - Binbin Zhang Molino
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales 2522, Australia
| | - Sanna Pitkänen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, P.O. BOX 100, FI-33014 Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Arvo Ylpön katu 6, P.O. BOX 2000, FI-33521 Tampere, Finland
| | - Miina Ojansivu
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, P.O. BOX 100, FI-33014 Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Arvo Ylpön katu 6, P.O. BOX 2000, FI-33521 Tampere, Finland
| | - Chunlin Xu
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Piispankatu 8, 20500 Turku, Finland
| | - Markus Hannula
- Computational Biophysics and Imaging Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, FI-33014 Tampere, Finland
| | - Jari Hyttinen
- Computational Biophysics and Imaging Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, FI-33014 Tampere, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, P.O. BOX 100, FI-33014 Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Arvo Ylpön katu 6, P.O. BOX 2000, FI-33521 Tampere, Finland
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Piispankatu 8, 20500 Turku, Finland
| | - Gordon Wallace
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Northfields Avenue, Wollongong, New South Wales 2522, Australia
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23
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Núñez-Toldrà R, Montori S, Bosch B, Hupa L, Atari M, Miettinen S. S53P4 Bioactive Glass Inorganic Ions for Vascularized Bone Tissue Engineering by Dental Pulp Pluripotent-Like Stem Cell Cocultures. Tissue Eng Part A 2019; 25:1213-1224. [DOI: 10.1089/ten.tea.2018.0256] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Raquel Núñez-Toldrà
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Barcelona, Spain
| | - Sheyla Montori
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Begoña Bosch
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Turku, Finland
| | - Maher Atari
- Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
- Surgery and Oral Implantology Department, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Susanna Miettinen
- Adult Stem Cell Research Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
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24
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Dittler ML, Unalan I, Grünewald A, Beltrán AM, Grillo CA, Destch R, Gonzalez MC, Boccaccini AR. Bioactive glass (45S5)-based 3D scaffolds coated with magnesium and zinc-loaded hydroxyapatite nanoparticles for tissue engineering applications. Colloids Surf B Biointerfaces 2019; 182:110346. [PMID: 31325780 DOI: 10.1016/j.colsurfb.2019.110346] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/30/2019] [Accepted: 07/03/2019] [Indexed: 12/15/2022]
Abstract
Bioactive glass (BG)-based scaffolds of 45S5 composition covered with hydroxyapatite nanoparticles loaded with Mg2+, Zn2+ and, both Mg2+ and Zn2+ ions, were developed and tested as materials for tissue engineering applications. The scaffolds were prepared by the foam replica technique and mono- and bi-metal loaded and unloaded hydroxyapatite nanoparticles (HA, Zn-HA, Mg-HA and Mg-Zn-HA) were obtained by an adaptation of the wet chemical deposition method. Coating of BG with these nanoparticles was performed by dip-coating to obtain HA-BG, Zn-HA-BG, Mg-HA-BG and Mg-Zn-HA-BG scaffolds. As predictor of the bone bonding ability of the produced scaffolds, in this study we investigated the formation of an apatite layer on the scaffold surfaces in the presence of simulated body fluid. The cytotoxicity and osteogenic properties of the materials in vitro was evaluated using human osteoblast-like MG-63 cell cultures. The mineralization assay following Kokubo's protocol indicated that bi-metal loaded Mg-Zn-HA-BG scaffolds exhibited higher/faster bioactivity than mono-metal loaded scaffolds while mineralization of HA-BG, Zn-HA-BG and Mg-HA-BG was similar to that of uncoated scaffolds. Moreover, an increase of proliferation of MG-63 cells after 48 h and 7 days was measured by BrdU assays for Mg-Zn-HA-BG scaffolds. In agreement with these results, SEM images confirmed increased interaction between these scaffolds and cells, in comparison to that observed for mono-metal-loaded HA-coated scaffolds. Altogether, the obtained results suggest that nanocrystalline Mg-Zn-HA coatings enhance the biological performance of standard scaffolds of 45S5 BG composition. Thus these novel ion doped HA coated scaffolds are attractive systems for bone tissue engineering.
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Affiliation(s)
- Maria Laura Dittler
- INIFTA-CCT CONICET (La Plata), Department of Chemistry, National University of La Plata, Argentina
| | - Irem Unalan
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Alina Grünewald
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Ana M Beltrán
- Departamento de Ingeniería y Ciencia de los Materiales y del Transporte, Escuela Politécnica Superior, Universidad de Sevilla, 41011 Sevilla, Spain
| | - Claudia A Grillo
- INIFTA-CCT CONICET (La Plata), Department of Chemistry, National University of La Plata, Argentina
| | - Rainer Destch
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Monica C Gonzalez
- INIFTA-CCT CONICET (La Plata), Department of Chemistry, National University of La Plata, Argentina.
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany.
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25
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Vanhatupa S, Miettinen S, Pena P, Baudín C. Diopside-tricalcium phosphate bioactive ceramics for osteogenic differentiation of human adipose stem cells. J Biomed Mater Res B Appl Biomater 2019; 108:819-833. [PMID: 31251466 DOI: 10.1002/jbm.b.34436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 05/11/2019] [Accepted: 06/06/2019] [Indexed: 11/11/2022]
Abstract
Ti scaffolds combined with autologous human adipose-derived mesenchymal stem cells (hASCs) have been successfully applied for regenerative cranio-maxillofacial bone therapies. Future challenges reside in regeneration of larger bone defects and displacement of the permanent Ti structure, thus, advanced resorbable scaffolds are needed. Composites of β-Ca3 (PO4 )2 with 80 and 60 wt % of CaMg(SiO3 )2 with improved mechanical properties compared to tricalcium phosphate (TCP) materials are presented. Synthetic CaMg(SiO3 )2 and a precursor of Ca3 (PO4 )2 were used to fabricate the composites and a reference β-Ca3 (PO4 )2 material by uniaxial pressing and solid state sintering. Optimum sintering temperature of 1225°C was selected. Microstructural analysis and Weibull distributions of tensile strengths determined by the diametral compression of discs test are reported. Thermodynamic simulation of the dissolution process in simulated body fluid body fluid was done. The biological response with hASCs was analyzed using basic and osteogenic media. Viability and osteogenic potential-LIVE/DEAD assay; alkaline phosphatase activity and collagen type-I production-were characterized. The composites have higher tensile strength (>3×) than TCP materials, for similar reliability, and support viability and osteogenic differentiation of hASCs. Resorption of the high strength phase diopside is the slowest. The promising results reported here suggest possible uses of these bioactive β-Ca3 (PO4 )2 -CaMg(SiO3 )2 ceramics together with hASCs in bone tissue engineering.
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Affiliation(s)
- Sari Vanhatupa
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Pilar Pena
- Instituto de Cerámica y Vidrio, CSIC, Madrid, Spain
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26
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Mouriño V, Vidotto R, Cattalini J, Boccaccini A. Enhancing biological activity of bioactive glass scaffolds by inorganic ion delivery for bone tissue engineering. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2019. [DOI: 10.1016/j.cobme.2019.02.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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27
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Mishra A, Ojansivu M, Autio R, Vanhatupa S, Miettinen S, Massera J. In-vitro dissolution characteristics and human adipose stem cell response to novel borophosphate glasses. J Biomed Mater Res A 2019; 107:2099-2114. [PMID: 31087776 DOI: 10.1002/jbm.a.36722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/03/2019] [Accepted: 05/07/2019] [Indexed: 11/06/2022]
Abstract
The main drawbacks of traditional silicate bioactive glasses are their narrow hot forming domain and noncongruent dissolution. In this article, we report on new borophosphate glasses [xMn Om + (100 - x) (47.5P2 O5 + 2.5B2 O3 + 10Na2 O + 20CaO + 20SrO)], Mn Om being CuO, Ag2 O, and CeO2 , having high thermal processability, hence suitable for fiber drawing and sintering into scaffolds. Furthermore, the glasses dissolve congruently in simulated body fluid (SBF) and TRIS buffer solution, eventually leading to the precipitation of a reactive layer. Human adipose stem cells (hASC) were cultured in media enriched with glass extract at different dilutions, to investigate the optimal ion concentration for cell survival. Cells grew in all the extracts, except in the undiluted Cu-doped glass extract. At dilution 1:10, the lactate dehydrogenase (LDH) activity and cell proliferation were comparable to the control, while at 1:100, the cells proliferated faster than the control. Thus, the reference (undoped), Ag and Ce-doped glasses were found to be suitable for cell viability and proliferation. Cytotoxicity assessments using the LDH assay indeed revealed the high cytotoxicity of the Cu extract. This raises questions about the use of Cu in bioactive glasses and its optimal concentration as a dopant.
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Affiliation(s)
- Ayush Mishra
- Laboratory of Biomaterials and Tissue Engineering, Faculty of Medicine and Health Technology and BioMediTech Institute, Tampere University, Tampere, Finland
| | - Miina Ojansivu
- Adult Stem Cell Group, Faculty of Medicine and Health Technology and BioMediTech, Tampere University, Finland
| | - Reija Autio
- Faculty of Social Sciences and BioMediTech, Tampere University, Tampere, Finland
| | - Sari Vanhatupa
- Adult Stem Cell Group, Faculty of Medicine and Health Technology and BioMediTech, Tampere University, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology and BioMediTech, Tampere University, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Jonathan Massera
- Laboratory of Biomaterials and Tissue Engineering, Faculty of Medicine and Health Technology and BioMediTech Institute, Tampere University, Tampere, Finland
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28
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Yassin MA, Fuoco T, Mohamed-Ahmed S, Mustafa K, Finne-Wistrand A. 3D and Porous RGDC-Functionalized Polyester-Based Scaffolds as a Niche to Induce Osteogenic Differentiation of Human Bone Marrow Stem Cells. Macromol Biosci 2019; 19:e1900049. [PMID: 31050389 DOI: 10.1002/mabi.201900049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/18/2019] [Indexed: 01/05/2023]
Abstract
Polyester-based scaffolds covalently functionalized with arginine-glycine-aspartic acid-cysteine (RGDC) peptide sequences support the proliferation and osteogenic differentiation of stem cells. The aim is to create an optimized 3D niche to sustain human bone marrow stem cell (hBMSC) viability and osteogenic commitment, without reliance on differentiation media. Scaffolds consisting of poly(lactide-co-trimethylene carbonate), poly(LA-co-TMC), and functionalized poly(lactide) copolymers with pendant thiol groups are prepared by salt-leaching technique. The availability of functional groups on scaffold surfaces allows for an easy and straightforward method to covalently attach RGDC peptide motifs without affecting the polymerization degree. The strategy enables the chemical binding of bioactive motifs on the surfaces of 3D scaffolds and avoids conventional methods that require harsh conditions. Gene and protein levels and mineral deposition indicate the osteogenic commitment of hBMSC cultured on the RGDC functionalized surfaces. The osteogenic commitment of hBMSC is enhanced on functionalized surfaces compared with nonfunctionalized surfaces and without supplementing media with osteogenic factors. Poly(LA-co-TMC) scaffolds have potential as scaffolds for osteoblast culture and bone grafts. Furthermore, these results contribute to the development of biomimetic materials and allow a deeper comprehension of the importance of RGD peptides on stem cell transition toward osteoblastic lineage.
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Affiliation(s)
- Mohammed A Yassin
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden.,Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Tiziana Fuoco
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
| | - Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
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29
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Naruphontjirakul P, Tsigkou O, Li S, Porter AE, Jones JR. Human mesenchymal stem cells differentiate into an osteogenic lineage in presence of strontium containing bioactive glass nanoparticles. Acta Biomater 2019; 90:373-392. [PMID: 30910622 DOI: 10.1016/j.actbio.2019.03.038] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 03/14/2019] [Accepted: 03/20/2019] [Indexed: 02/08/2023]
Abstract
While bioactive glass and ions released during its dissolution are known to stimulate osteoblast cells, the effect bioactive glass has on human stem cells is not clear. Here, we show that spherical monodispersed strontium containing bioactive nanoparticles (Sr-BGNPs) of composition 90.6 mol% SiO2, 5.0 mol% CaO, 4.4% mol% SrO (4.4%Sr-BGNPs) and 88.8 mol% SiO2, 1.8 mol% CaO, and 9.4 mol% SrO (9.4%Sr-BGNPs) stimulate bone marrow derived human stem cell (hMSC) differentiation down an osteogenic pathway without osteogenic supplements. The particles were synthesised using a modified Stӧber process and had diameters of 90 ± 10 nm. Previous work on similar particles that did not contain Sr (80 mol% SiO2, 20 mol% CaO) showed stem cells did not differentiate when exposed to the particles. Here, both compositions of the Sr-BGNPs (up to concentration of 250 μg/mL) stimulated the early-, mid-, and late-stage markers of osteogenic differentiation and accelerated mineralisation in the absence of osteogenic supplements. Sr ions play a key role in osteogenic stem cell differentiation. Sr-BGNP dissolution products did not adversely affect hMSC viability and no significant differences in viability were measured between each particle composition. Confocal and transmission electron microscopy (TEM) demonstrated that monodispersed Sr-BGNPs were internalised and localised within vesicles in the cytoplasm of hMSCs. Degradation of particles inside the cells was observed, whilst maintaining effective cations (Ca and Sr) in their silica network after 24 h in culture. The uptake of Sr-BGNPs by hMSCs was reduced by inhibitors of specific routes of endocytosis, indicating that the Sr-BGNPs uptake by hMSCs was probably via mixed endocytosis mechanisms. Sr-BGNPs have potential as injectable therapeutic devices for bone regeneration or treatment of conditions such as osteoporosis, because of their ability deliver a sustained release of osteogenic inorganic cations, e.g. calcium (Ca) or and strontium (Sr), through particle degradation locally to cells. STATEMENT OF SIGNIFICANCE: Here, we show that 90 nm spherical strontium containing bioactive nanoparticles of stimulate bone marrow derived human stem cell (hMSC) differentiation down an osteogenic pathway without the use of osteogenic supplements. While bioactive glass and its dissolution products are known to promote excellent bone regeneration in vivo and to stimulate osteoblast cells to produce bone matrix in vitro, their effect on human stem cells is not clear. Previously our nanoparticles that contained only SiO2 and CaO did not provoke human bone marrow or adipose derived stem cell differentiation.
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30
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Ojansivu M, Rashad A, Ahlinder A, Massera J, Mishra A, Syverud K, Finne-Wistrand A, Miettinen S, Mustafa K. Wood-based nanocellulose and bioactive glass modified gelatin–alginate bioinks for 3D bioprinting of bone cells. Biofabrication 2019; 11:035010. [DOI: 10.1088/1758-5090/ab0692] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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31
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Vuornos K, Ojansivu M, Koivisto JT, Häkkänen H, Belay B, Montonen T, Huhtala H, Kääriäinen M, Hupa L, Kellomäki M, Hyttinen J, Ihalainen JA, Miettinen S. Bioactive glass ions induce efficient osteogenic differentiation of human adipose stem cells encapsulated in gellan gum and collagen type I hydrogels. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:905-918. [PMID: 30889765 DOI: 10.1016/j.msec.2019.02.035] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 02/05/2019] [Accepted: 02/10/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Due to unmet need for bone augmentation, our aim was to promote osteogenic differentiation of human adipose stem cells (hASCs) encapsulated in gellan gum (GG) or collagen type I (COL) hydrogels with bioactive glass (experimental glass 2-06 of composition [wt-%]: Na2O 12.1, K2O 14.0, CaO 19.8, P2O5 2.5, B2O3 1.6, SiO2 50.0) extract based osteogenic medium (BaG OM) for bone construct development. GG hydrogels were crosslinked with spermidine (GG-SPD) or BaG extract (GG-BaG). METHODS Mechanical properties of cell-free GG-SPD, GG-BaG, and COL hydrogels were tested in osteogenic medium (OM) or BaG OM at 0, 14, and 21 d. Hydrogel embedded hASCs were cultured in OM or BaG OM for 3, 14, and 21 d, and analyzed for viability, cell number, osteogenic gene expression, osteocalcin production, and mineralization. Hydroxyapatite-stained GG-SPD samples were imaged with Optical Projection Tomography (OPT) and Selective Plane Illumination Microscopy (SPIM) in OM and BaG OM at 21 d. Furthermore, Raman spectroscopy was used to study the calcium phosphate (CaP) content of hASC-secreted ECM in GG-SPD, GG-BaG, and COL at 21 d in BaG OM. RESULTS The results showed viable rounded cells in GG whereas hASCs were elongated in COL. Importantly, BaG OM induced significantly higher cell number and higher osteogenic gene expression in COL. In both hydrogels, BaG OM induced strong mineralization confirmed as CaP by Raman spectroscopy and significantly improved mechanical properties. GG-BaG hydrogels rescued hASC mineralization in OM. OPT and SPIM showed homogeneous 3D cell distribution with strong mineralization in BaG OM. Also, strong osteocalcin production was visible in COL. CONCLUSIONS Overall, we showed efficacious osteogenesis of hASCs in 3D hydrogels with BaG OM with potential for bone-like grafts.
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Affiliation(s)
- Kaisa Vuornos
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 100, FI-33014 Tampere, Finland; Research, Development and Innovation Centre, Tampere University Hospital, P.O. BOX 2000, FI-33521, Tampere, Finland.
| | - Miina Ojansivu
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 100, FI-33014 Tampere, Finland; Research, Development and Innovation Centre, Tampere University Hospital, P.O. BOX 2000, FI-33521, Tampere, Finland.
| | - Janne T Koivisto
- Biomaterials and Tissue Engineering Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 527, FI-33101 Tampere, Finland; Heart Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 100, FI-33014 Tampere, Finland.
| | - Heikki Häkkänen
- Nanoscience Center, University of Jyväskylä, P.O. BOX 35, FI-40014 Jyväskylä, Finland.
| | - Birhanu Belay
- Computational Biophysics and Imaging Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 527, FI-33101 Tampere, Finland.
| | - Toni Montonen
- Computational Biophysics and Imaging Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 527, FI-33101 Tampere, Finland.
| | - Heini Huhtala
- Faculty of Social Sciences, Tampere University, P.O. BOX 100, FI-33014 Tampere, Finland.
| | - Minna Kääriäinen
- Department of Plastic and Reconstructive Surgery, Tampere University Hospital, P.O. BOX 2000, FI-33521 Tampere, Finland.
| | - Leena Hupa
- Johan Gadolin Process Chemistry Centre, Åbo Akademi University, Biskopsgatan 8, FI-20500 Åbo, Finland.
| | - Minna Kellomäki
- Biomaterials and Tissue Engineering Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 527, FI-33101 Tampere, Finland.
| | - Jari Hyttinen
- Computational Biophysics and Imaging Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 527, FI-33101 Tampere, Finland.
| | - Janne A Ihalainen
- Nanoscience Center, University of Jyväskylä, P.O. BOX 35, FI-40014 Jyväskylä, Finland.
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Health Technology, Tampere University, P.O. BOX 100, FI-33014 Tampere, Finland; Research, Development and Innovation Centre, Tampere University Hospital, P.O. BOX 2000, FI-33521, Tampere, Finland.
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32
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Karadjian M, Essers C, Tsitlakidis S, Reible B, Moghaddam A, Boccaccini AR, Westhauser F. Biological Properties of Calcium Phosphate Bioactive Glass Composite Bone Substitutes: Current Experimental Evidence. Int J Mol Sci 2019; 20:ijms20020305. [PMID: 30646516 PMCID: PMC6359412 DOI: 10.3390/ijms20020305] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 12/19/2022] Open
Abstract
Standard treatment for bone defects is the biological reconstruction using autologous bone—a therapeutical approach that suffers from limitations such as the restricted amount of bone available for harvesting and the necessity for an additional intervention that is potentially followed by donor-site complications. Therefore, synthetic bone substitutes have been developed in order to reduce or even replace the usage of autologous bone as grafting material. This structured review focuses on the question whether calcium phosphates (CaPs) and bioactive glasses (BGs), both established bone substitute materials, show improved properties when combined in CaP/BG composites. It therefore summarizes the most recent experimental data in order to provide a better understanding of the biological properties in general and the osteogenic properties in particular of CaP/BG composite bone substitute materials. As a result, BGs seem to be beneficial for the osteogenic differentiation of precursor cell populations in-vitro when added to CaPs. Furthermore, the presence of BG supports integration of CaP/BG composites into bone in-vivo and enhances bone formation under certain circumstances.
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Affiliation(s)
- Maria Karadjian
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Christopher Essers
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Stefanos Tsitlakidis
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Bruno Reible
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Arash Moghaddam
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
- ATORG-Aschaffenburg Trauma and Orthopedics Research Group, Center for Trauma Surgery, Orthopedics, and Sports Medicine, Klinikum Aschaffenburg-Alzenau, Am Hasenkopf 1, 63739 Aschaffenburg, Germany.
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany.
| | - Fabian Westhauser
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
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Fernandes HR, Gaddam A, Rebelo A, Brazete D, Stan GE, Ferreira JMF. Bioactive Glasses and Glass-Ceramics for Healthcare Applications in Bone Regeneration and Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E2530. [PMID: 30545136 PMCID: PMC6316906 DOI: 10.3390/ma11122530] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 12/04/2018] [Accepted: 12/06/2018] [Indexed: 12/12/2022]
Abstract
The discovery of bioactive glasses (BGs) in the late 1960s by Larry Hench et al. was driven by the need for implant materials with an ability to bond to living tissues, which were intended to replace inert metal and plastic implants that were not well tolerated by the body. Among a number of tested compositions, the one that later became designated by the well-known trademark of 45S5 Bioglass® excelled in its ability to bond to bone and soft tissues. Bonding to living tissues was mediated through the formation of an interfacial bone-like hydroxyapatite layer when the bioglass was put in contact with biological fluids in vivo. This feature represented a remarkable milestone, and has inspired many other investigations aiming at further exploring the in vitro and in vivo performances of this and other related BG compositions. This paradigmatic example of a target-oriented research is certainly one of the most valuable contributions that one can learn from Larry Hench. Such a goal-oriented approach needs to be continuously stimulated, aiming at finding out better performing materials to overcome the limitations of the existing ones, including the 45S5 Bioglass®. Its well-known that its main limitations include: (i) the high pH environment that is created by its high sodium content could turn it cytotoxic; (ii) and the poor sintering ability makes the fabrication of porous three-dimensional (3D) scaffolds difficult. All of these relevant features strongly depend on a number of interrelated factors that need to be well compromised. The selected chemical composition strongly determines the glass structure, the biocompatibility, the degradation rate, and the ease of processing (scaffolds fabrication and sintering). This manuscript presents a first general appraisal of the scientific output in the interrelated areas of bioactive glasses and glass-ceramics, scaffolds, implant coatings, and tissue engineering. Then, it gives an overview of the critical issues that need to be considered when developing bioactive glasses for healthcare applications. The aim is to provide knowledge-based tools towards guiding young researchers in the design of new bioactive glass compositions, taking into account the desired functional properties.
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Affiliation(s)
- Hugo R Fernandes
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Anuraag Gaddam
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Avito Rebelo
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Daniela Brazete
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - George E Stan
- National Institute of Materials Physics, RO-077125 Magurele, Romania.
| | - José M F Ferreira
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
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Rashad A, Mohamed-Ahmed S, Ojansivu M, Berstad K, Yassin MA, Kivijärvi T, Heggset EB, Syverud K, Mustafa K. Coating 3D Printed Polycaprolactone Scaffolds with Nanocellulose Promotes Growth and Differentiation of Mesenchymal Stem Cells. Biomacromolecules 2018; 19:4307-4319. [DOI: 10.1021/acs.biomac.8b01194] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Ahmad Rashad
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | | | - Miina Ojansivu
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
- Adult Stem Cell Research Group, Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
| | - Kaia Berstad
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
| | - Mohammed A. Yassin
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
- Department of Fiber and Polymer Technology, Royal Institute of Technology (KTH), Stockholm, Sweden
| | - Tove Kivijärvi
- Department of Fiber and Polymer Technology, Royal Institute of Technology (KTH), Stockholm, Sweden
| | | | - Kristin Syverud
- RISE PFI, Trondheim, Norway
- Department of Chemical Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, University of Bergen, Bergen, Norway
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Focal Adhesion Kinase and ROCK Signaling Are Switch-Like Regulators of Human Adipose Stem Cell Differentiation towards Osteogenic and Adipogenic Lineages. Stem Cells Int 2018; 2018:2190657. [PMID: 30275837 PMCID: PMC6157106 DOI: 10.1155/2018/2190657] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 06/07/2018] [Accepted: 07/04/2018] [Indexed: 12/18/2022] Open
Abstract
Adipose tissue is an attractive stem cell source for soft and bone tissue engineering applications and stem cell therapies. The adipose-derived stromal/stem cells (ASCs) have a multilineage differentiation capacity that is regulated through extracellular signals. The cellular events related to cell adhesion and cytoskeleton have been suggested as central regulators of differentiation fate decision. However, the detailed knowledge of these molecular mechanisms in human ASCs remains limited. This study examined the significance of focal adhesion kinase (FAK), Rho-Rho-associated protein kinase (Rho-ROCK), and their downstream target extracellular signal-regulated kinase 1/2 (ERK1/2) on hASCs differentiation towards osteoblasts and adipocytes. Analyses of osteogenic markers RUNX2A, alkaline phosphatase, and matrix mineralization revealed an essential role of active FAK, ROCK, and ERK1/2 signaling for the osteogenesis of hASCs. Inhibition of these kinases with specific small molecule inhibitors diminished osteogenesis, while inhibition of FAK and ROCK activity led to elevation of adipogenic marker genes AP2 and LEP and lipid accumulation implicating adipogenesis. This denotes to a switch-like function of FAK and ROCK signaling in the osteogenic and adipogenic fates of hASCs. On the contrary, inhibition of ERK1/2 kinase activity deceased adipogenic differentiation, indicating that activation of ERK signaling is required for both adipogenic and osteogenic potential. Our findings highlight the reciprocal role of cell adhesion mechanisms and actin dynamics in regulation of hASC lineage commitment. This study enhances the knowledge of molecular mechanisms dictating hASC differentiation and thus opens possibilities for more efficient control of hASC differentiation.
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Ojansivu M, Mishra A, Vanhatupa S, Juntunen M, Larionova A, Massera J, Miettinen S. The effect of S53P4-based borosilicate glasses and glass dissolution products on the osteogenic commitment of human adipose stem cells. PLoS One 2018; 13:e0202740. [PMID: 30153295 PMCID: PMC6112657 DOI: 10.1371/journal.pone.0202740] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 08/07/2018] [Indexed: 01/09/2023] Open
Abstract
Despite the good performance of silicate bioactive glasses in bone regeneration, there is considerable potential to enhance their properties by chemical modifications. In this study, S53P4-based borosilicate glasses were synthesized and their dissolution profile was studied in simulated body fluid by assessing pH change, ion release and conversion to hydroxyapatite. The viability, proliferation, attachment, osteogenesis and endothelial marker expression of human adipose stem cells (hASCs) was evaluated upon direct culture on glass discs and in the extract medium. This is the first study evaluating cell behavior in response to borosilicate glasses based on S53P4 (commercially available as BonAlive®). Replacing silicate with borate in S53P4 increased the glass reactivity. Despite the good viability of hASCs under all conditions, direct culture of cells on borosilicate discs and in undiluted extract medium reduced cell proliferation. This was accompanied with changes in cell morphology. Regarding osteogenic commitment, alkaline phosphatase activity was significantly reduced by the borosilicate glass discs and extracts, whereas the expression of osteogenic markers RUNX2a, OSTERIX, DLX5 and OSTEOPONTIN was upregulated. There was also a borosilicate glass-induced increase in osteocalcin protein production. Moreover, osteogenic supplements containing borosilicate extracts significantly increased the mineral production in comparison to the osteogenic medium control. Interestingly, borosilicate glasses stimulated the expression of endothelial markers vWF and PECAM-1. To conclude, our results reveal that despite reducing hASC proliferation, S53P4-based borosilicate glasses and their dissolution products stimulate osteogenic commitment and upregulate endothelial markers, thus supporting their further evaluation for regenerative medicine.
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Affiliation(s)
- Miina Ojansivu
- Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
- Science Center, Tampere University Hospital, Tampere, Finland
| | - Ayush Mishra
- Faculty of Biomedical Science and Engineering and BioMediTech Institute, Tampere University of Technology, Tampere, Finland
| | - Sari Vanhatupa
- Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
- Science Center, Tampere University Hospital, Tampere, Finland
| | - Miia Juntunen
- Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
- Science Center, Tampere University Hospital, Tampere, Finland
| | - Antonina Larionova
- Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
- Science Center, Tampere University Hospital, Tampere, Finland
| | - Jonathan Massera
- Faculty of Biomedical Science and Engineering and BioMediTech Institute, Tampere University of Technology, Tampere, Finland
| | - Susanna Miettinen
- Faculty of Medicine and Life Sciences and BioMediTech Institute, University of Tampere, Tampere, Finland
- Science Center, Tampere University Hospital, Tampere, Finland
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Knitted 3D Scaffolds of Polybutylene Succinate Support Human Mesenchymal Stem Cell Growth and Osteogenesis. Stem Cells Int 2018; 2018:5928935. [PMID: 29853915 PMCID: PMC5964421 DOI: 10.1155/2018/5928935] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 03/01/2018] [Indexed: 01/09/2023] Open
Abstract
Polybutylene succinate (PBS) is a biodegradable polyester with better processability and different mechanical properties compared to polylactides (PLAs), the most commonly used synthetic polymers in tissue engineering (TE). Since only few studies have evaluated PBS-containing materials for bone TE, we prepared PLA-PBS blends and analyzed material properties as well as cell attachment, proliferation, and osteogenic differentiation of human mesenchymal stem cells (hMSCs) on scaffolds. In addition to PLA, PBS, and PLA-PBS blends, PLA-polycaprolactone and PLA-poly(trimethylene carbonate) blends were evaluated. Polymer fibers were prepared using melt spinning. Pure PBS was observed to have the highest crystallinity and strain at break compared to the tougher PLA and PLA blends. No degradation occurred during the 4-week hydrolysis in either of the materials. Knitted and rolled scaffolds were manufactured, seeded with hMSCs, and cultured for 27 days. Human MSC viability was good on all the materials, but cell spreading along the fibers was only detected in PBS-containing scaffolds. They also induced the strongest proliferative response and osteogenic differentiation, which diminished with decreasing PBS content. Based on these results, PBS is superior to PLA with respect to hMSC attachment, proliferation, and osteogenesis. This encourages utilizing PBS-based biomaterials more widely in bone TE applications.
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Vallittu PK. An overview of development and status of fiber-reinforced composites as dental and medical biomaterials. ACTA BIOMATERIALIA ODONTOLOGICA SCANDINAVICA 2018; 4:44-55. [PMID: 29707613 PMCID: PMC5917305 DOI: 10.1080/23337931.2018.1457445] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/20/2018] [Indexed: 01/11/2023]
Abstract
Fibr-reinforced composites (FRC) have been used successfully for decades in many fields of science and engineering applications. Benefits of FRCs relate to physical properties of FRCs and versatile production methods, which can be utilized. Conventional hand lamination of prefabricated FRC prepregs is utilized still most commonly in fabrication of dental FRC devices but CAD-CAM systems are to be come for use in certain production steps of dental constructions and medical FRC implants. Although metals, ceramics and particulate filler resin composites have successfully been used as dental and medical biomaterials for decades, devices made out of these materials do not meet all clinical requirements. Only little attention has been paid to FRCs as dental materials and majority of the research in dental field has been focusing on particulate filler resin composites and in medical biomaterial research to biodegradable polymers. This is paradoxical because FRCs can potentially resolve many of the problems related to traditional isotropic dental and medical materials. This overview reviews the rationale and status of using biostable glass FRC in applications from restorative and prosthetic dentistry to cranial surgery. The overview highlights also the critical material based factors and clinical requirement for the succesfull use of FRCs in dental reconstructions.
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Affiliation(s)
- Pekka K. Vallittu
- Department of Biomaterials Science, Turku Clinical Biomaterials Centre – TCBC, Institute of Dentistry, University of Turku, Welfare Division, Turku, Finland
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Littmann E, Autefage H, Solanki A, Kallepitis C, Jones J, Alini M, Peroglio M, Stevens M. Cobalt-containing bioactive glasses reduce human mesenchymal stem cell chondrogenic differentiation despite HIF-1α stabilisation. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 2018; 38:877-886. [PMID: 29456294 PMCID: PMC5738970 DOI: 10.1016/j.jeurceramsoc.2017.08.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 08/01/2017] [Indexed: 05/19/2023]
Abstract
Bioactive glasses (BGs) are excellent delivery systems for the sustained release of therapeutic ions and have been extensively studied in the context of bone tissue engineering. More recently, due to their osteogenic properties and expanding application to soft tissue repair, BGs have been proposed as promising materials for use at the osteochondral interface. Since hypoxia plays a critical role during cartilage formation, we sought to investigate the influence of BGs releasing the hypoxia-mimicking agent cobalt (CoBGs) on human mesenchymal stem cell (hMSC) chondrogenesis, as a novel approach that may guide future osteochondral scaffold design. The CoBG dissolution products significantly increased the level of hypoxia-inducible factor-1 alpha in hMSCs in a cobalt dose-dependent manner. Continued exposure to the cobalt-containing BG extracts significantly reduced hMSC proliferation and metabolic activity, as well as chondrogenic differentiation. Overall, this study demonstrates that prolonged exposure to cobalt warrants careful consideration for cartilage repair applications.
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Affiliation(s)
- E. Littmann
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
- Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - H. Autefage
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
- Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
- Corresponding authors at: Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom.Department of MaterialsImperial College LondonLondonSW7 2AZUnited Kingdom
| | - A.K. Solanki
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
- Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - C. Kallepitis
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
- Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - J.R. Jones
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
| | - M. Alini
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland
| | - M. Peroglio
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland
| | - M.M. Stevens
- Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom
- Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom
- Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
- Corresponding authors at: Department of Materials, Imperial College London, London SW7 2AZ, United Kingdom.Department of MaterialsImperial College LondonLondonSW7 2AZUnited Kingdom
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Leivo J, Virjula S, Vanhatupa S, Kartasalo K, Kreutzer J, Miettinen S, Kallio P. A durable and biocompatible ascorbic acid-based covalent coating method of polydimethylsiloxane for dynamic cell culture. J R Soc Interface 2018; 14:rsif.2017.0318. [PMID: 28747398 DOI: 10.1098/rsif.2017.0318] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 06/28/2017] [Indexed: 11/12/2022] Open
Abstract
Polydimethylsiloxane (PDMS) is widely used in dynamic biological microfluidic applications. As a highly hydrophobic material, native PDMS does not support cell attachment and culture, especially in dynamic conditions. Previous covalent coating methods use glutaraldehyde (GA) which, however, is cytotoxic. This paper introduces a novel and simple method for binding collagen type I covalently on PDMS using ascorbic acid (AA) as a cross-linker instead of GA. We compare the novel method against physisorption and GA cross-linker-based methods. The coatings are characterized by immunostaining, contact angle measurement, atomic force microscopy and infrared spectroscopy, and evaluated in static and stretched human adipose stem cell (hASC) cultures up to 13 days. We found that AA can replace GA as a cross-linker in the covalent coating method and that the coating is durable after sonication and after 6 days of stretching. Furthermore, we show that hASCs attach and proliferate better on AA cross-linked samples compared with physisorbed or GA-based methods. Thus, in this paper, we provide a new PDMS coating method for studying cells, such as hASCs, in static and dynamic conditions. The proposed method is an important step in the development of PDMS-based devices in cell and tissue engineering applications.
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Affiliation(s)
- Joni Leivo
- Micro- and Nanosystems Research Group, BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland
| | - Sanni Virjula
- Adult Stem Cell Group, BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland.,Science Centre, Tampere University Hospital, Tampere, Finland
| | - Sari Vanhatupa
- Adult Stem Cell Group, BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland.,Science Centre, Tampere University Hospital, Tampere, Finland
| | - Kimmo Kartasalo
- BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland.,Computational Biology Research Group, BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland
| | - Joose Kreutzer
- Micro- and Nanosystems Research Group, BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech Institute and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finland.,Science Centre, Tampere University Hospital, Tampere, Finland
| | - Pasi Kallio
- Micro- and Nanosystems Research Group, BioMediTech Institute and Faculty of Biomedical Sciences and Engineering, Tampere University of Technology, Tampere, Finland
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Moura CC, Tare RS, Oreffo ROC, Mahajan S. Raman spectroscopy and coherent anti-Stokes Raman scattering imaging: prospective tools for monitoring skeletal cells and skeletal regeneration. J R Soc Interface 2017; 13:rsif.2016.0182. [PMID: 27170652 DOI: 10.1098/rsif.2016.0182] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 04/13/2016] [Indexed: 12/20/2022] Open
Abstract
The use of skeletal stem cells (SSCs) for cell-based therapies is currently one of the most promising areas for skeletal disease treatment and skeletal tissue repair. The ability for controlled modification of SSCs could provide significant therapeutic potential in regenerative medicine, with the prospect to permanently repopulate a host with stem cells and their progeny. Currently, SSC differentiation into the stromal lineages of bone, fat and cartilage is assessed using different approaches that typically require cell fixation or lysis, which are invasive or even destructive. Raman spectroscopy and coherent anti-Stokes Raman scattering (CARS) microscopy present an exciting alternative for studying biological systems in their natural state, without any perturbation. Here we review the applications of Raman spectroscopy and CARS imaging in stem-cell research, and discuss the potential of these two techniques for evaluating SSCs, skeletal tissues and skeletal regeneration as an exemplar.
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Affiliation(s)
- Catarina Costa Moura
- Department of Chemistry and Institute for Life Sciences, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - Rahul S Tare
- Bone and Joint Research Group, Centre for Human Development, Stem Cells and Regeneration, Institute of Developmental Sciences, University of Southampton, Southampton SO16 6YD, UK
| | - 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
| | - Sumeet Mahajan
- Department of Chemistry and Institute for Life Sciences, University of Southampton, Highfield Campus, Southampton SO17 1BJ, UK
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Zhang M, Chen X, Pu X, Liao X, Huang Z, Yin G. Dissolution behavior of CaO-MgO-SiO2
-based multiphase bioceramic powders and effects of the released ions on osteogenesis. J Biomed Mater Res A 2017; 105:3159-3168. [DOI: 10.1002/jbm.a.36154] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 06/28/2017] [Accepted: 06/29/2017] [Indexed: 01/02/2023]
Affiliation(s)
- Mengjiao Zhang
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
| | - Xianchun Chen
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
| | - Ximing Pu
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
| | - Xiaoming Liao
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
| | - Zhongbing Huang
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
| | - Guangfu Yin
- College of Materials Science and Engineering; Sichuan University; Chengdu 610064 People's Republic of China
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Bioactive glass ceramic nanoparticles-coated poly(l-lactic acid) scaffold improved osteogenic differentiation of adipose stem cells in equine. Tissue Cell 2017; 49:565-572. [PMID: 28851519 DOI: 10.1016/j.tice.2017.07.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 06/22/2017] [Accepted: 07/17/2017] [Indexed: 01/19/2023]
Abstract
Horses with big bone fractures have low chance to live mainly due to the lake of a proper treatment strategy. We believe that further attempts in equine bone tissue engineering will probably be required to meet all the needs for the lesion therapies. Therefore in this study we aimed to investigate the osteogenic differentiation capacity of equine adipose-derived stem cells (e-ASCs) on nano-bioactive glass (nBGs) coated poly(l-lactic acid) (PLLA) nanofibers scaffold (nBG-PLLA). Using electrospinning technique, PLLA scaffold was prepared successfully and coated with nBGs. Fabricated nanofibers were characterized by MTT, SEM, and FTIR analyses, and then osteogenic differentiation potential of isolated e-ASCs was investigated by the most key osteogenic markers, namely Alizarin red-S, ALP, calcium content and bone related (RUNX2, Collagen I, Osteonectin, and ALP) gene markers. Our results indicated that nBGs was successfully coated on PLLA scaffold and this scaffold had no negative (p>0.05) effect on cell growth rate as indicated by MTT assay. Moreover, e-ASCs that differentiated on nBGs-PLLA scaffold showed a higher (p<0.05) ALP activity, more (p<0.05) calcium content, and higher (p<0.05) expression of bone-related genes than that on uncoated PLLA scaffold and TCPS. According to the results, a combination of bioceramics and biopolymeric nanofibers hold valuable promising potentials to use for bone tissue engineering application and regenerative medicine.
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Haro Durand LA, Vargas GE, Vera-Mesones R, Baldi A, Zago MP, Fanovich MA, Boccaccini AR, Gorustovich A. In Vitro Human Umbilical Vein Endothelial Cells Response to Ionic Dissolution Products from Lithium-Containing 45S5 Bioactive Glass. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E740. [PMID: 28773103 PMCID: PMC5551783 DOI: 10.3390/ma10070740] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 06/24/2017] [Accepted: 06/29/2017] [Indexed: 12/27/2022]
Abstract
Since lithium (Li⁺) plays roles in angiogenesis, the localized and controlled release of Li⁺ ions from bioactive glasses (BGs) represents a promising alternative therapy for the regeneration and repair of tissues with a high degree of vascularization. Here, microparticles from a base 45S5 BG composition containing (wt %) 45% SiO₂, 24.5% Na₂O, 24.5% CaO, and 6% P₂O₅, in which Na₂O was partially substituted by 5% Li₂O (45S5.5Li), were obtained. The results demonstrate that human umbilical vein endothelial cells (HUVECs) have greater migratory and proliferative response and ability to form tubules in vitro after stimulation with the ionic dissolution products (IDPs) of the 45S5.5Li BG. The results also show the activation of the canonical Wnt/β-catenin pathway and the increase in expression of proangiogenic cytokines insulin like growth factor 1 (IGF1) and transforming growth factor beta (TGFβ). We conclude that the IDPs of 45S5.5Li BG would act as useful inorganic agents to improve tissue repair and regeneration, ultimately stimulating HUVECs behavior in the absence of exogenous growth factors.
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Affiliation(s)
- Luis A Haro Durand
- Department of Pathology and Molecular Pharmacology, IByME-CONICET, C1428ADN Buenos Aires, Argentina.
| | - Gabriela E Vargas
- Department of Developmental Biology, National University of Salta, A4408FVY Salta, Argentina.
| | - Rosa Vera-Mesones
- Department of Developmental Biology, National University of Salta, A4408FVY Salta, Argentina.
| | - Alberto Baldi
- Department of Pathology and Molecular Pharmacology, IByME-CONICET, C1428ADN Buenos Aires, Argentina.
| | - María P Zago
- Institute of Experimental Pathology, IPE-CONICET, A4408FVY Salta, Argentina.
| | - María A Fanovich
- Research Institute for Materials Science and Technology, INTEMA-CONICET, B7608FDQ Mar del Plata, Argentina.
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany.
| | - Alejandro Gorustovich
- Interdisciplinary Materials Group-IESIING-UCASAL, INTECIN UBA-CONICET, A4400EDD Salta, Argentina.
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Virjula S, Zhao F, Leivo J, Vanhatupa S, Kreutzer J, Vaughan TJ, Honkala AM, Viehrig M, Mullen CA, Kallio P, McNamara LM, Miettinen S. The effect of equiaxial stretching on the osteogenic differentiation and mechanical properties of human adipose stem cells. J Mech Behav Biomed Mater 2017; 72:38-48. [PMID: 28448920 DOI: 10.1016/j.jmbbm.2017.04.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 04/05/2017] [Accepted: 04/12/2017] [Indexed: 01/22/2023]
Abstract
Although mechanical cues are known to affect stem cell fate and mechanobiology, the significance of such stimuli on the osteogenic differentiation of human adipose stem cells (hASCs) remains unclear. In this study, we investigated the effect of long-term mechanical stimulation on the attachment, osteogenic differentiation and mechanical properties of hASCs. Tailor-made, pneumatic cell stretching devices were used to expose hASCs to cyclic equiaxial stretching in osteogenic medium. Cell attachment and focal adhesions were visualised using immunocytochemical vinculin staining on days 3 and 6, and the proliferation and alkaline phosphatase activity, as a sign of early osteogenic differentiation, were analysed on days 0, 6 and 10. Furthermore, the mechanical properties of hASCs, in terms of apparent Young's modulus and normalised contractility, were obtained using a combination of atomic force microscopy based indentation and computational approaches. Our results indicated that cyclic equiaxial stretching delayed proliferation and promoted osteogenic differentiation of hASCs. Stretching also reduced cell size and intensified focal adhesions and actin cytoskeleton. Moreover, cell stiffening was observed during osteogenic differentiation and especially under mechanical stimulation. These results suggest that cyclic equiaxial stretching modifies cell morphology, focal adhesion formation and mechanical properties of hASCs. This could be exploited to enhance osteogenic differentiation.
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Affiliation(s)
- Sanni Virjula
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Life Sciences, University of Tampere, Lääkärinkatu 1, 33520 Tampere, Finland; Science Centre, Tampere University Hospital, Biokatu 6, 33520 Tampere, Finland.
| | - Feihu Zhao
- Biomechanics Research Centre (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland, Galway, Ireland.
| | - Joni Leivo
- Department of Automation Science and Engineering, BioMediTech, Tampere University of Technology, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Sari Vanhatupa
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Life Sciences, University of Tampere, Lääkärinkatu 1, 33520 Tampere, Finland; Science Centre, Tampere University Hospital, Biokatu 6, 33520 Tampere, Finland.
| | - Joose Kreutzer
- Department of Automation Science and Engineering, BioMediTech, Tampere University of Technology, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Ted J Vaughan
- Biomechanics Research Centre (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland, Galway, Ireland.
| | - Anna-Maija Honkala
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Life Sciences, University of Tampere, Lääkärinkatu 1, 33520 Tampere, Finland; Science Centre, Tampere University Hospital, Biokatu 6, 33520 Tampere, Finland.
| | - Marlitt Viehrig
- Department of Automation Science and Engineering, BioMediTech, Tampere University of Technology, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Conleth A Mullen
- Biomechanics Research Centre (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland, Galway, Ireland.
| | - Pasi Kallio
- Department of Automation Science and Engineering, BioMediTech, Tampere University of Technology, Korkeakoulunkatu 3, 33720 Tampere, Finland.
| | - Laoise M McNamara
- Biomechanics Research Centre (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland, Galway, Ireland.
| | - Susanna Miettinen
- Adult Stem Cell Group, BioMediTech, Faculty of Medicine and Life Sciences, University of Tampere, Lääkärinkatu 1, 33520 Tampere, Finland; Science Centre, Tampere University Hospital, Biokatu 6, 33520 Tampere, Finland.
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Preparation, physicochemical properties and biocompatibility of PBLG/PLGA/bioglass composite scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 71:118-124. [DOI: 10.1016/j.msec.2016.09.085] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/31/2016] [Accepted: 09/29/2016] [Indexed: 12/13/2022]
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Gorodzha S, Douglas TEL, Samal SK, Detsch R, Cholewa-Kowalska K, Braeckmans K, Boccaccini AR, Skirtach AG, Weinhardt V, Baumbach T, Surmeneva MA, Surmenev RA. High-resolution synchrotron X-ray analysis of bioglass-enriched hydrogels. J Biomed Mater Res A 2016; 104:1194-201. [DOI: 10.1002/jbm.a.35642] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 12/07/2015] [Accepted: 01/05/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Svetlana Gorodzha
- Department of Experimental Physics; National Research Tomsk Polytechnic University; Russia
| | | | - Sangram K. Samal
- Laboratory of General Biochemistry & Physical Pharmacy, Ghent University; Belgium
| | - Rainer Detsch
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg; Cauerstr. 6 Erlangen 91058 Germany
| | - Katarzyna Cholewa-Kowalska
- Department of Glass Technology and Amorphous Coatings; AGH University of Science and Technology; Krakow Poland
| | - Kevin Braeckmans
- Laboratory of General Biochemistry & Physical Pharmacy, Ghent University; Belgium
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg; Cauerstr. 6 Erlangen 91058 Germany
| | - Andre G. Skirtach
- Department of Molecular Biotechnology; Coupure Links 653, Ghent University; Belgium
| | - Venera Weinhardt
- Centre for Organismal Studies, University of Heidelberg; Heidelberg Germany
| | - Tilo Baumbach
- Laboratory for Applications of Synchrotron Radiation, Karlsruhe Institute of Technology; Karlsruhe Germany
| | - Maria A. Surmeneva
- Department of Experimental Physics; National Research Tomsk Polytechnic University; Russia
| | - Roman A. Surmenev
- Department of Experimental Physics; National Research Tomsk Polytechnic University; Russia
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB; Stuttgart Germany
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Clarke SA, Choi SY, McKechnie M, Burke G, Dunne N, Walker G, Cunningham E, Buchanan F. Osteogenic cell response to 3-D hydroxyapatite scaffolds developed via replication of natural marine sponges. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2016; 27:22. [PMID: 26704539 PMCID: PMC4690835 DOI: 10.1007/s10856-015-5630-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Accepted: 11/13/2015] [Indexed: 06/05/2023]
Abstract
Bone tissue engineering may provide an alternative to autograft, however scaffold optimisation is required to maximize bone ingrowth. In designing scaffolds, pore architecture is important and there is evidence that cells prefer a degree of non-uniformity. The aim of this study was to compare scaffolds derived from a natural porous marine sponge (Spongia agaricina) with unique architecture to those derived from a synthetic polyurethane foam. Hydroxyapatite scaffolds of 1 cm(3) were prepared via ceramic infiltration of a marine sponge and a polyurethane (PU) foam. Human foetal osteoblasts (hFOB) were seeded at 1 × 10(5) cells/scaffold for up to 14 days. Cytotoxicity, cell number, morphology and differentiation were investigated. PU-derived scaffolds had 84-91% porosity and 99.99% pore interconnectivity. In comparison marine sponge-derived scaffolds had 56-61% porosity and 99.9% pore interconnectivity. hFOB studies showed that a greater number of cells were found on marine sponge-derived scaffolds at than on the PU scaffold but there was no significant difference in cell differentiation. X-ray diffraction and inductively coupled plasma mass spectrometry showed that Si ions were released from the marine-derived scaffold. In summary, three dimensional porous constructs have been manufactured that support cell attachment, proliferation and differentiation but significantly more cells were seen on marine-derived scaffolds. This could be due both to the chemistry and pore architecture of the scaffolds with an additional biological stimulus from presence of Si ions. Further in vivo tests in orthotopic models are required but this marine-derived scaffold shows promise for applications in bone tissue engineering.
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Affiliation(s)
- S A Clarke
- School of Nursing and Midwifery, Queen's University of Belfast, Medical Biology Centre, 97, Lisburn Road, Belfast, BT9 7BL, UK.
| | - S Y Choi
- School of Mechanical and Aerospace Engineering, Queen's University of Belfast, Ashby Building, 121 Stranmillis Road, Belfast, BT9 5AH, UK
| | - Melanie McKechnie
- School of Biological Sciences, Queen's University of Belfast, Medical Biology Centre, 97, Lisburn Road, Belfast, BT9 7BL, UK
| | - G Burke
- Engineering Research Institute, School of Engineering, Ulster University, Jordanstown Campus, Shore Rd, Newtownabbey, BT37 0QB, UK
| | - N Dunne
- School of Mechanical and Aerospace Engineering, Queen's University of Belfast, Ashby Building, 121 Stranmillis Road, Belfast, BT9 5AH, UK
- School of Mechanical and Manufacturing Engineering, Dublin City University, Glasnevin, Dublin, 9, Ireland
| | - G Walker
- School of Mechanical and Aerospace Engineering, Queen's University of Belfast, Ashby Building, 121 Stranmillis Road, Belfast, BT9 5AH, UK
| | - E Cunningham
- School of Mechanical and Aerospace Engineering, Queen's University of Belfast, Ashby Building, 121 Stranmillis Road, Belfast, BT9 5AH, UK
| | - F Buchanan
- School of Mechanical and Aerospace Engineering, Queen's University of Belfast, Ashby Building, 121 Stranmillis Road, Belfast, BT9 5AH, UK
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Abbasi Z, Bahrololoum ME, Bagheri R, Shariat MH. Characterization of the bioactive and mechanical behavior of dental ceramic/sol–gel derived bioactive glass mixtures. J Mech Behav Biomed Mater 2016; 54:115-22. [DOI: 10.1016/j.jmbbm.2015.09.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 09/17/2015] [Accepted: 09/21/2015] [Indexed: 10/23/2022]
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