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Yano M, Yasui K, Jo JI, Nishiura A, Hashimoto Y, Matsumoto N. Carbonate apatite versus β-tricalcium phosphate for rat vertical bone augmentation: A comparison of bioresorbable bone substitutes using polytetrafluoroethylene tubes. Dent Mater J 2023; 42:851-859. [PMID: 37853644 DOI: 10.4012/dmj.2023-112] [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] [Indexed: 10/20/2023]
Abstract
This study radiologically and histologically compared two bioresorbable bone substitutes with different compositions carbonate apatite (Cytrans® Granules; CGs) and β-tricalcium phosphate (β-TCP) for vertical bone augmentation on a rat skull using a polytetrafluoroethylene (PTFE) tubes. This PTFE tube was placed at the center of the skull, fixed with Super Bond, and augmented with CGs or β-TCP granules. Specimens with surrounding tissue were harvested at 4, 8, and 12 weeks postoperatively, and radiological and histological evaluations were performed. The bone volume to total volume ratio (BV/TV) of the β-TCP-implanted group was markedly higher than that of the CG-implanted group at 4 and 12 weeks postoperatively. Compared to CGs, β-TCP exhibited the ability to form blood vessels into the graft material for a short period after transplantation, as well as an elevated production of collagen into β-TCP granules during the bone formation process.
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Affiliation(s)
- Makiko Yano
- Department of Orthodontics, Osaka Dental University
| | | | | | - Aki Nishiura
- Department of Orthodontics, Osaka Dental University
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Naguib GH, Abd El-Aziz GS, Almehmadi A, Bayoumi A, Mira AI, Hassan AH, Hamed MT. Evaluation of the time-dependent osteogenic activity of glycerol incorporated magnesium oxide nanoparticles in induced calvarial defects. Heliyon 2023; 9:e18757. [PMID: 37593643 PMCID: PMC10432181 DOI: 10.1016/j.heliyon.2023.e18757] [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: 05/05/2023] [Revised: 07/06/2023] [Accepted: 07/26/2023] [Indexed: 08/19/2023] Open
Abstract
Introduction Magnesium-based biomaterials have been explored for their potential as bone healing materials, as a result of their outstanding biodegradability and biocompatibility. These characteristics make magnesium oxide nanoparticles (MgO NPs) a promising material for treating bone disorders. The purpose of this investigation is to assess the osteogenic activity of newly-developed locally administered glycerol-incorporated MgO NPs (GIMgO NPs) in rabbits' calvarial defects. Materials and methods Characterization of GIMgO was done by X-ray Diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). Bilateral calvarial defects were created in eighteen New Zealand Rabbits, of which they were divided into 3 groups with time points corresponding to 2, 4, and 6 weeks postoperatively (n = 6). One defect was implanted with absorbable gel foam impregnated with GIMgO NPs while the other was implanted with gel foam soaked with glycerol (the control). The defects were assessed using histological, Micro-Computed Tomography (Micro-CT), and histometric evaluation. Results The characterization of the GIMgO nanogel revealed the presence of MgO NPs and glycerol as well as the formation of the crystalline phase of the MgO NPs within the nanogel sample. The histological and micro-CT analysis showed time-dependent improvement of healing activity in the calvarial defects implanted with GIMgO NPs when compared to the control. Furthermore, the histometric analysis demonstrated a marked increase in the total area of new bone, connective tissue, new bone area and volume in the GIMgO NPs implanted site. Statistically, the amount of new bone formation was more significant at 6 weeks than at 2 and 4 weeks postoperatively in the calvarial defects implanted with GIMgO NPs as compared to the control. Conclusion The locally applied GIMgO NPs demonstrated efficacy in promoting bone formation, with more significant effects observed over an extended period. These findings suggest its suitability for clinical use as a therapeutic alternative to enhance bone healing.
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Affiliation(s)
- Ghada H. Naguib
- Department of Restorative Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Oral Biology, Cairo University School of Dentistry, Cairo, Egypt
| | - Gamal S. Abd El-Aziz
- Department of Clinical Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmad Almehmadi
- Department of Oral Biology, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amr Bayoumi
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdulghani I. Mira
- Department of Restorative Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Mohamed T. Hamed
- Department of Oral and Maxillofacial Prosthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Fixed Prosthodontics, Cairo University School of Dentistry, Cairo, Egypt
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Murakami T, Matsugami D, Yoshida W, Imamura K, Bizenjima T, Seshima F, Saito A. Healing of Experimental Periodontal Defects Following Treatment with Fibroblast Growth Factor-2 and Deproteinized Bovine Bone Mineral. Biomolecules 2021; 11:biom11060805. [PMID: 34072351 PMCID: PMC8226676 DOI: 10.3390/biom11060805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 12/17/2022] Open
Abstract
The aim of this study was to investigate the effects of fibroblast growth factor (FGF)-2 used in combination with deproteinized bovine bone mineral (DBBM) on the healing of experimental periodontal defects. Periodontal defects created in rats were treated by FGF-2, DBBM, FGF-2 + DBBM, or left unfilled. Microcomputed tomography, histological, and immunohistochemical examinations were used to evaluate healing. In vitro cell viability/proliferation on DBBM with/without FGF-2 was assessed by WST-1. Cell behavior was analyzed using scanning electron and confocal laser scanning microscopy. Osteogenic differentiation was evaluated by staining with alkaline phosphatase and alizarin red. Bone volume fraction was significantly greater in FGF-2 and FGF-2 + DBBM groups than in other groups at 2 and 4 weeks postoperatively. In histological assessment, newly formed bone in FGF-2 and FGF-2 + DBBM groups appeared to be greater than other groups. Significantly greater levels of proliferating cell nuclear antigen-, vascular endothelial growth factor-, and osterix-positive cells were observed in FGF-2 and FGF-2 + DBBM groups compared to Unfilled group. In vitro, addition of FGF-2 to DBBM promoted cell viability/proliferation, attachment/spreading, and osteogenic differentiation. The combination therapy using FGF-2 and DBBM was similarly effective as FGF-2 alone in the healing of experimental periodontal defects. In certain bone defect configurations, the combined use of FGF-2 and DBBM may enhance healing via promotion of cell proliferation, angiogenesis, and osteogenic differentiation.
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Affiliation(s)
- Tasuku Murakami
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
| | - Daisuke Matsugami
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
- Oral Health Science Center, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan
| | - Wataru Yoshida
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
| | - Kentaro Imamura
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
- Oral Health Science Center, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan
| | - Takahiro Bizenjima
- Chiba Dental Center, Tokyo Dental College, Mihama-ku, Chiba 2618502, Japan;
| | - Fumi Seshima
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
| | - Atsushi Saito
- Department of Periodontology, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan; (T.M.); (D.M.); (W.Y.); (K.I.); (F.S.)
- Oral Health Science Center, Tokyo Dental College, Chiyoda-ku, Tokyo 1010061, Japan
- Correspondence:
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Burdurlu C, Deniz E, Olgac V. Histopathologic evaluation of the effects of local simvastatin application and photobiomodulation by light-emitting diode on bone healing of rat calvarial defects. BIOTECHNOL BIOTEC EQ 2017. [DOI: 10.1080/13102818.2017.1416673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Cagri Burdurlu
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Ediz Deniz
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
| | - Vakur Olgac
- Department of Pathology, Faculty of Medicine, Oncology Institute, Istanbul University, Istanbul, Turkey
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Bone regeneration with a collagen model polypeptides/α-tricalcium phosphate sponge in a canine tibia defect model. IMPLANT DENT 2016; 24:197-203. [PMID: 25734944 DOI: 10.1097/id.0000000000000210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION We evaluated the effects of synthesized collagen model polypeptides consisting of a proline-hydroxyproline-glycine (poly(PHG)) sequence combined with porous alpha-tricalcium phosphate (α-TCP) particles on bone formation in a canine tibia defect model. MATERIALS AND METHODS The porous α-TCP particles were mixed with a poly(PHG) solution, and the obtained sponge was then cross-linked and characterized by x-ray diffraction and scanning electron microscopy. Tibia defects were analyzed in 12 healthy beagles using microcomputed tomography and histological evaluation. RESULTS At 2 and 4 weeks, the volume density of new bone was higher in the poly(PHG)/α-TCP group than in poly(PHG) alone group (P < 0.05); however, there was no difference at 8 weeks (P > 0.05). Histological evaluation at 4 weeks after implantation revealed that the poly(PHG) had degraded, and newly formed bone was present on the surface of the α-TCP particles. At 8 weeks, continuous cortical bone formation with a Haversian structure covered the top of the bone defects in both groups. CONCLUSION This study demonstrates that the composite created using porous α-TCP particles and poly(PHG) is sufficiently adaptable for treating bone defects.
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Rodríguez AP, Felice B, Sánchez MA, Tsujigiwa H, Felice CJ, Nagatsuka H. In Vivo evaluation of adipogenic induction in fibrous and honeycomb-structured atelocollagen scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:125-30. [DOI: 10.1016/j.msec.2016.02.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 01/07/2016] [Accepted: 02/19/2016] [Indexed: 10/22/2022]
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Li P, Hashimoto Y, Honda Y, Nakayama Y, Kobayashi N, Hara E, Yasui K, Arima Y, Matsumoto N. Evaluation of Bone Regeneration by porous Alpha-Tricalcium Phosphate/Atelocollagen Sponge Composite in Critical-Sized Rat Calvarial Defects. J HARD TISSUE BIOL 2016. [DOI: 10.2485/jhtb.25.35] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Peiqi Li
- Department of Orthodontics, Osaka Dental University
| | | | | | | | - Nobuhiro Kobayashi
- First Department of Oral and Maxillofacial Surgery, Osaka Dental University
| | - Eiki Hara
- Department of Orthodontics, Osaka Dental University
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The Effect of Interferon-γ and Zoledronate Treatment on Alpha-Tricalcium Phosphate/Collagen Sponge-Mediated Bone-Tissue Engineering. Int J Mol Sci 2015; 16:25678-90. [PMID: 26516841 PMCID: PMC4632821 DOI: 10.3390/ijms161025678] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 10/15/2015] [Accepted: 10/15/2015] [Indexed: 11/23/2022] Open
Abstract
Inflammatory responses are frequently associated with the expression of inflammatory cytokines and severe osteoclastogenesis, which significantly affect the efficacy of biomaterials. Recent findings have suggested that interferon (IFN)-γ and zoledronate (Zol) are effective inhibitors of osteoclastogenesis. However, little is known regarding the utility of IFN-γ and Zol in bone tissue engineering. In this study, we generated rat models by generating critically sized defects in calvarias implanted with an alpha-tricalcium phosphate/collagen sponge (α-TCP/CS). At four weeks post-implantation, the rats were divided into IFN-γ, Zol, and control (no treatment) groups. Compared with the control group, the IFN-γ and Zol groups showed remarkable attenuation of severe osteoclastogenesis, leading to a significant enhancement in bone mass. Histomorphometric data and mRNA expression patterns in IFN-γ and Zol-injected rats reflected high bone-turnover with increased bone formation, a reduction in osteoclast numbers, and tumor necrosis factor-α expression. Our results demonstrated that the administration of IFN-γ and Zol enhanced bone regeneration of α-TCP/CS implants by enhancing bone formation, while hampering excess bone resorption.
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Sakamoto F, Hashimoto Y, Kishimoto N, Honda Y, Matsumoto N. The utility of human dedifferentiated fat cells in bone tissue engineering in vitro. Cytotechnology 2013; 67:75-84. [PMID: 24306271 DOI: 10.1007/s10616-013-9659-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 10/08/2013] [Indexed: 12/16/2022] Open
Abstract
We compared the osteoblastic differentiation abilities of dedifferentiated fat cells (DFATs) and human bone marrow mesenchymal stem cells (hMSCs) as a cell source for bone regeneration therapies. In addition, the utility of DFATs in bone tissue engineering in vitro was assessed by an alpha-tricalcium phosphate (α-TCP)/collagen sponge (CS). Human DFATs were isolated from the submandibular of a patient by ceiling culture. DFATs and hMSCs at passage 3 were cultured in control medium or osteogenic medium (OM) for 14 days. Runx2 gene expression, alkaline phosphatase (ALP) activity, as well as osteocalcin (OCN) and calcium contents were analyzed to evaluate the osteoblastic differentiation ability of both cell types. DFATs seeded in a α-TCP/CS and cultured in OM for 14 days were analyzed by scanning electron microscopy (SEM) and histologically. Compared with hMSCs, DFATs cultured in OM generally underwent superior osteoblastogenesis by higher Runx2 gene expression at all days tested, as well as higher ALP activity at day 3 and 7, OCN expression at day 14, and calcium content at day 7. In SEM analyses, DFATs seeded in a α-TCP/CS were well spread and covered the α-TCP/CS by day 7. In addition, numerous spherical deposits were found to almost completely cover the α-TCP/CS on day 14. Von Kossa staining showed that DFATs differentiated into osteoblasts in the α-TCP/CS and formed cultured bone by deposition of a mineralized extracellular matrix. The combined use of DFATs and an α-TCP/CS may be an attractive option for bone tissue engineering.
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Affiliation(s)
- Fumito Sakamoto
- Department of Orthodontics, Osaka Dental University, 8-1 Hanazonocho, Kuzuha, Hirakata, 573-1121, Japan,
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