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Aizawa H, Uematsu T, Sato A, Masuki H, Kawabata H, Tsujino T, Isobe K, Kitamura Y, Nagata M, Nakata K, Kawase T. Non-destructive, spectrophotometric analysis of the thickness of the cell-multilayered periosteal sheet. Int J Implant Dent 2022; 8:21. [PMID: 35491414 PMCID: PMC9058046 DOI: 10.1186/s40729-022-00419-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/08/2022] [Indexed: 11/22/2022] Open
Abstract
Background Autologous tissue-engineered periosteal sheets, which have been clinically applied for periodontal regeneration, sinus lift, and alveolar ridge augmentation, are enriched with osteoblast precursor cells and the abundant deposition of collagen type I in the extracellular spaces. Their quality is inspected prior to clinical use; however, most criteria cannot be evaluated without sacrificing samples. To reduce such losses, we developed a non-destructive optical method that can quantitatively evaluate the thickness of the periosteal sheet. Methods Dispersed periosteal cells were inoculated into small pieces of collagen sponge (Terudermis®) and plated into 60-mm dishes for further explant culture using a conventional medium and a stem-cell culture medium. The thickness of periosteal sheets was evaluated using inverted microscopic, histological, labeling (CellVue®)-based imaging and spectrophotometric (Spectro-1®) methods. Results The three-dimensional growth of periosteal sheets did not necessarily correlate with two-dimensional growth. The periosteal sheet prepared with the stem-cell medium formed cell multilayers, a phenomenon that could be observed qualitatively by inverted microscopy. The spectrophotometric analysis enabled the quantitative evaluation of the thickness of the cell multilayer without sacrificing the samples processed for scheduled cell therapy. Conclusions The growth of periosteal sheets is influenced by several major factors, including the basic quality of the individual original periosteal tissue segments, the technical expertise of doctors and operators involved in tissue harvesting and processing, and culture conditions. This newly developed spectrophotometric analysis can quantify the thickness of cell-multilayered periosteal sheets for quality assurance in a non-destructive manner, thereby contributing to better bone augmentation prior to implant therapy.
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Uematsu K, Ushiki T, Ishiguro H, Ohashi R, Tamura S, Watanabe M, Fujimoto Y, Nagata M, Ajioka Y, Kawase T. Osteoclastogenic Potential of Tissue-Engineered Periosteal Sheet: Effects of Culture Media on the Ability to Recruit Osteoclast Precursors. Int J Mol Sci 2021; 22:2169. [PMID: 33671612 PMCID: PMC7926432 DOI: 10.3390/ijms22042169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 12/20/2022] Open
Abstract
Cell culture media influence the characteristics of human osteogenic periosteal sheets. We have previously found that a stem cell medium facilitates growth and collagen matrix formation in vitro and osteogenesis in vivo. However, it has not yet been demonstrated which culture medium is superior for osteoclastogenesis, a prerequisite for reconstruction of normal bone metabolic basis. To address this question, we compared chemotaxis and osteoclastogenesis in tissue-engineered periosteal sheets (TPSs) prepared with two types of culture media. Periosteal tissues obtained from adult volunteers were expanded with the conventional Medium 199 or with the stem cell medium, MesenPRO. Hematopoietic enhanced-green-fluorescent-protein (EGFP)-nude mice were prepared by γ-irradiation of Balb/c nu/nu mice and subsequent transplantation of bone marrow cells from CAG-EGFP C57BL/6 mice. TPSs were implanted subcutaneously into the chimeric mice and retrieved after intervals for immunohistopathological examination. EGFP+ cells were similarly recruited to the implantation site in both the TPSs prepared, whereas the distribution of CD11b+ cells was significantly lower in the TPS prepared with the stem cell medium. Instead, osteoclastogenesis was higher in the TPS prepared with the stem cell medium than in the one prepared with the conventional medium. These findings suggest that the stem cell medium is preferable for the preparation of more functional TPSs.
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Affiliation(s)
- Kohya Uematsu
- Division of Dental Implantology, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan;
| | - Takashi Ushiki
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (T.U.); (M.W.); (Y.F.)
| | - Hajime Ishiguro
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (H.I.); (S.T.)
| | - Riuko Ohashi
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (R.O.); (Y.A.)
- Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Suguru Tamura
- Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (H.I.); (S.T.)
| | - Mari Watanabe
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (T.U.); (M.W.); (Y.F.)
| | - Yoko Fujimoto
- Department of Transfusion Medicine, Cell Therapy and Regenerative Medicine, Niigata University Medical and Dental Hospital, Niigata 951-8520, Japan; (T.U.); (M.W.); (Y.F.)
| | - Masaki Nagata
- Division of Oral and Maxillofacial Surgery, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan;
| | - Yoichi Ajioka
- Histopathology Core Facility, Faculty of Medicine, Niigata University, Niigata 951-8510, Japan; (R.O.); (Y.A.)
- Division of Molecular and Diagnostic Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8510, Japan
| | - Tomoyuki Kawase
- Division of Oral Bioengineering, Graduate School of Medical and Dental Sciences, Niigata University, Niigata 951-8514, Japan
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Sandor M, Scott N, Edwards M, Qi S, De Deyne PG. In vitro and in vivo characterization of a fully resorbable and composite surgical mesh. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911513520382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Fully resorbable and composite synthetic meshes are intended to provide advantages over nonabsorbable synthetic meshes, such as minimization of visceral adhesions and improved biocompatibility, but the inflammatory response to these materials has not previously been fully characterized. We compared resorbable and composite synthetic meshes using in vitro characterization and evaluated the host response in a nonhuman primate acute abdominal wall defect. After a 2-week in vitro incubation, resorbable synthetic mesh mechanical strength decreased to 0.12 ± 0.09 N (0.25% of initial strength), which preceded acidification and a fractured morphology at 1 month. The composite synthetic mesh strength decreased to 10.0 ± 3.2 N (41.1% of initial strength), coincident with morphological changes. In vivo, resorbable synthetic mesh elicited an intense yet transient foreign-body response, with macrophages and myofibroblasts persisting through 3 months of implantation. At 6 months, resorbable synthetic mesh was undetectable and the mesh–host tissue interface strength (14.7 ± 7.9 N) was equivalent to that of primary repair (21.4 ± 4.9 N). The composite synthetic mesh elicited a significant foreign-body response following 1 month of implantation. By 3 months, the composite synthetic mesh resorbable films had fully degraded, with foreign-body reaction localized to polypropylene fibers. By 6 months, macrophages had surrounded these polypropylene fibers, with a myofibroblast-positive capsule encircling a macrophage-rich layer. Resorbable and composite synthetic meshes may ultimately not be the most ideal biomaterials in situations where the biological response is expected to lead to a regeneration of host soft tissues.
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Affiliation(s)
| | | | | | - Shijie Qi
- Hôpital Notre-Dame, Department of Surgery, University of Montreal, Montreal, QC, Canada
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Kawase T, Uematsu K, Kamiya M, Nagata M, Okuda K, Burns DM, Nakata K, Yoshie H. Real-time quantitative polymerase chain reaction and flow cytometric analyses of cell adhesion molecules expressed in human cell-multilayered periosteal sheets in vitro. Cytotherapy 2014; 16:653-61. [PMID: 24418404 DOI: 10.1016/j.jcyt.2013.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 11/01/2013] [Accepted: 11/06/2013] [Indexed: 10/25/2022]
Abstract
BACKGROUND AIMS Cultured human periosteal sheets more effectively function as an osteogenic grafting material at implantation sites than do dispersed periosteal cells. Because adherent cell growth and differentiation are regulated by cell-cell and cell-extracellular matrix contacts, we hypothesized that this advantage is a result of the unique cell adhesion pattern formed by their multiple cell layers and abundant extracellular matrix. To test this hypothesis, we prepared three distinct forms of periosteal cell cultures: three-dimensional cell-multilayered periosteal sheets, two-dimensional dispersed cell cultures, and three-dimensional hybrid mock-ups of cells dispersed onto collagen sponges. METHODS Periosteal cells were obtained from human alveolar bone. Cell adhesion and extracellular matrix molecules were quantitatively determined at the messenger RNA and protein levels by means of real-time quantitative polymerase chain reaction and flow cytometry, respectively. RESULTS Real-time quantitative polymerase chain reaction analysis demonstrated that regardless of culture media α1 integrin, vascular cell adhesion molecule-1, fibronectin and collagen type 1 were substantially upregulated, whereas CD44 was strongly downregulated in periosteal sheets compared with dispersed cell monolayers. With increased thickness, stem cell medium upregulated several integrins (β1, α1 and α4), CD146, vascular cell adhesion molecule-1, fibronectin and collagen type 1 in the periosteal sheets. Flow cytometric analysis revealed that the active configuration of β1 integrin was substantially downregulated in the stem cell medium-expanded cell cultures. The cell adhesion pattern found in the mock-up cultures was almost identical to that of genuine periosteal sheets. CONCLUSIONS Integrin α1β1 and CD44 function as the main cell adhesion molecule in highly cell-multilayered periosteal sheets and dispersed cells, respectively. This difference may account for the more potent osteogenic activity shown by the thicker periosteal sheets.
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Affiliation(s)
- Tomoyuki Kawase
- Division of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan.
| | - Kohya Uematsu
- Division of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan; Division of Oral and Maxillofacial Surgery, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan
| | - Mana Kamiya
- Division of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan; Division of Periodontology, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan
| | - Masaki Nagata
- Division of Oral and Maxillofacial Surgery, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan
| | - Kazuhiro Okuda
- Division of Periodontology, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan
| | - Douglas M Burns
- Midwest Biomedical Research Foundation, Research Service, Department of Veterans Affairs Medical Center, Kansas City, Missouri, USA
| | - Koh Nakata
- Bioscience Medical Research Center, Niigata University Medical and Dental Hospital, Niigata, Japan
| | - Hiromasa Yoshie
- Division of Periodontology, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan
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Qu Y, Ao D, Wang P, Wang Y, Kong X, Man Y. Chitosan/nano-hydroxyapatite composite electret membranes enhance cell proliferation and osteoblastic expression in vitro. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911513513094] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Chitosan/nano-hydroxyapatite membranes with negative charges were fabricated by grid-controlled constant voltage corona charging, and the charged membranes were investigated for cell biocompatibility and osteoinduction. The osteoblasts on the chitosan/nano-hydroxyapatite composite electret membranes significantly enhanced the adhesion, proliferation, and differentiation capacity compared to the uncharged group. This study not only provides evidence for the potential clinical application of our novel membranes but also could be used as a strategy for chitosan/nano-hydroxyapatite scaffolds.
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Affiliation(s)
- Yili Qu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Danting Ao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ping Wang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanying Wang
- The Department of Oral Implantology, Tianjin Stomatological Hospital of Nankai University, Tianjin, China
| | - Xiangli Kong
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yi Man
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Lim DI, Park HS, Park JH, Knowles JC, Gong MS. Application of high-strength biodegradable polyurethanes containing different ratios of biobased isomannide and poly (ϵ-caprolactone) diol. J BIOACT COMPAT POL 2013; 28:274-288. [PMID: 25076809 PMCID: PMC4108296 DOI: 10.1177/0883911513484572] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Biodegradable–biocompatible polyurethanes were prepared with fixed hexamethylene
diisocyanate and varying ratios of isomannide and poly(ϵ-caprolactone) diol using a simple
one-step polymerization without a catalyst. The polyurethane structures were confirmed by
1H-nuclear magnetic resonance, Fourier transform infrared spectroscopy, and
gel permeation chromatography. The glass transition temperatures were determined by
thermal analysis to be between 25°C and 30°C. Degradation tests performed at 37°C in
phosphate buffer produced mass losses of 5%–10% after 8 weeks. After 5 days of culture,
using osteoblastic cells, the relative cell number on all the polyurethane films was only
slightly lower than that of an optimized tissue culture plastic. These polymers offer
significant promise with a simplistic synthesis and controlled degradation.
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Affiliation(s)
- Dong-In Lim
- Department of Nanobiomedical Science & WCU Research Center, Graduate School, Dankook University, Cheonan, South Korea
| | - Hyung-Seok Park
- Department of Nanobiomedical Science & WCU Research Center, Graduate School, Dankook University, Cheonan, South Korea
| | - Jeong-Hui Park
- Department of Nanobiomedical Science & WCU Research Center, Graduate School, Dankook University, Cheonan, South Korea
| | - Jonathan C Knowles
- Department of Nanobiomedical Science & WCU Research Center, Graduate School, Dankook University, Cheonan, South Korea ; Department of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK
| | - Myoung-Seon Gong
- Department of Nanobiomedical Science & WCU Research Center, Graduate School, Dankook University, Cheonan, South Korea
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Tissue culture of human alveolar periosteal sheets using a stem-cell culture medium (MesenPRO-RS™): In vitro expansion of CD146-positive cells and concomitant upregulation of osteogenic potential in vivo. Stem Cell Res 2012; 10:1-19. [PMID: 23041617 DOI: 10.1016/j.scr.2012.08.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2011] [Revised: 08/07/2012] [Accepted: 08/28/2012] [Indexed: 02/08/2023] Open
Abstract
We have previously demonstrated that multilayered periosteal sheets prepared from the explant culture of alveolar periosteum serve as a promising osteogenic grafting material in periodontal tissue regeneration. For the preparation of more potent periosteal sheets, we examined the applicability of stem-cell culture media. Compared to the control medium (Medium 199+10% FBS), periosteal sheets expanded with MesenPRO-RS™ medium exhibited these features: Cells grew three-dimensionally and deposited collagen in the extracellular spaces to form thicker multilayers of cells. Chondrocytic markers were not significantly upregulated. Contractile force was generated in proportion with the increased thickness of the periosteal sheets and the formation of cytoplasmic α-smooth muscle actin fibers. However, myofibroblastic markers were not significantly upregulated. The surface marker CD146 was substantially upregulated, while both CD73 and CD105 were downregulated. Alkaline phosphatase, a representative osteoblastic marker, was not upregulated by osteogenic induction. However, these expanded periosteal sheets exhibited substantially stronger osteogenic differentiation when implanted in nude mice. Therefore, despite our reservations, MesenPRO medium effectively expanded the cells contained in periosteal sheets to promote the formation of thicker multilayers of cells in vitro, and these enhanced periosteal sheets expressed increased osteogenic potential at implantation sites in vivo. In conjunction with data indicating that CD146-positive cells were notably expanded and the recently proposed concept that CD146 is a marker for osteogenic progenitor cells found in the bone marrow stroma, our findings suggest that MesenPRO medium improves the preparation of highly osteogenic periosteal sheets suitable for clinical application largely through the induction of CD146-positive cells.
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