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Nguyen Van Q, Akiba Y, Eguchi K, Akiba N, Uoshima K. Controlling redox state by edaravone at transplantation site enhances bone regeneration. Biomed Pharmacother 2024; 177:117032. [PMID: 38941894 DOI: 10.1016/j.biopha.2024.117032] [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: 04/30/2024] [Revised: 06/19/2024] [Accepted: 06/21/2024] [Indexed: 06/30/2024] Open
Abstract
In cell-based bone augmentation, transplanted cell dysfunction and apoptosis can occur due to oxidative stress caused by the overproduction of reactive oxygen species (ROS). Edaravone (EDA) is a potent free radical scavenger with potential medical applications. This study aimed to investigate the effect of controlling oxidative stress on bone regeneration using EDA. Bone marrow-derived cells were collected from 4-week-old rats, and EDA effects on cell viability and osteogenic differentiation were evaluated. Collagen gels containing PKH26-prelabeled cells were implanted into the calvarial defects of 12-week-old rats, followed by daily subcutaneous injections of normal saline or 500 μM EDA for 4 d. Bone formation was examined using micro-computed tomography and histological staining. Immunofluorescence staining was performed for markers of oxidative stress, macrophages, osteogenesis, and angiogenesis. EDA suppressed ROS production and hydrogen peroxide-induced apoptosis, recovering cell viability and osteoblast differentiation. EDA treatment in vivo increased new bone formation. EDA induced the transition of the macrophage population toward the M2 phenotype. The EDA group also exhibited stronger immunofluorescence for vascular endothelial growth factor and CD31. In addition, more PKH26-positive and PKH26-osteocalcin-double-positive cells were observed in the EDA group, indicating that transplanted cell survival was prolonged, and they differentiated into bone-forming cells. This could be attributed to oxidative stress suppression at the transplantation site by EDA. Collectively, local administration using EDA facilitates bone regeneration by improving the local environment and angiogenesis, prolonging survival, and enhancing the osteogenic capabilities of transplanted cells.
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Affiliation(s)
- Quang Nguyen Van
- Division of Bio-Prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Yosuke Akiba
- Division of Bio-Prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan.
| | - Kaori Eguchi
- Division of Bio-Prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Nami Akiba
- Division of Bio-Prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Katsumi Uoshima
- Division of Bio-Prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, 2-5274, Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
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2
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Edranov SS, Matveeva NY, Kalinichenko SG. Evaluation of the Effectiveness of Bone Grafting in Alveolar Ridge Augmentation Using the Two-Stage Splitting Technique. Bull Exp Biol Med 2023; 176:268-274. [PMID: 38194070 DOI: 10.1007/s10517-024-06007-0] [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: 05/16/2023] [Indexed: 01/10/2024]
Abstract
Stimulation of neoosteogenesis is the main mechanism of osseointegration during installation of dental implants, bone tissue recession, and alveolar process augmentation in adentia. In experiments on miniature pigs, we used the technology of two-stage splitting of the ridge of the alveolar process of the mandible in combination with a xenograft that was placed between the fragments of the split bone plate. The morphology of the reparative process and the distribution of osteogenic differentiation markers in the compact and trabecular bone of the alveolar crest were studied. Signs of reparative osteogenesis were observed in the bone regenerate that had a lamellar structure, formed osteons, and foci of woven tissue. It was found that the xenograft was replaced by newly formed trabecular bone tissue. These sites were characterized by increased expression of osteocalcin and CD44. Augmentation technology through two-stage splitting provides trophic relationship of osteoprogenitor cells and is an effective method of osteogenesis stimulation in the alveolar process.
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Affiliation(s)
- S S Edranov
- Pacific State Medical University, Ministry of Health of the Russian Federation, Vladivostok, Russia
| | - N Yu Matveeva
- Pacific State Medical University, Ministry of Health of the Russian Federation, Vladivostok, Russia.
| | - S G Kalinichenko
- Pacific State Medical University, Ministry of Health of the Russian Federation, Vladivostok, Russia
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Elaskary A, Abdelrahman H, Elsabagh HH, El-Kimary GI. Does Grafting The Jumping Gap In Immediately Placed Anterior Implants Using Vestibular Socket Therapy Influence The Labial Bone Thickness? J Oral Maxillofac Surg 2022; 80:1398-1407. [DOI: 10.1016/j.joms.2022.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 05/02/2022] [Accepted: 05/03/2022] [Indexed: 10/18/2022]
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Chan YH, Lee YC, Hung CY, Yang PJ, Lai PC, Feng SW. Three-dimensional Spheroid Culture Enhances Multipotent Differentiation and Stemness Capacities of Human Dental Pulp-derived Mesenchymal Stem Cells by Modulating MAPK and NF-kB Signaling Pathways. Stem Cell Rev Rep 2021; 17:1810-1826. [PMID: 33893620 DOI: 10.1007/s12015-021-10172-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2021] [Indexed: 12/26/2022]
Abstract
BACKGROUND Three-dimensional (3D) culture of mesenchymal stem cells has become an important research and development topic. However, comprehensive analysis of human dental pulp-derived mesenchymal stem cells (DPSCs) in 3D-spheroid culture remains unexplored. Thus, we evaluated the cellular characteristics, multipotent differentiation, gene expression, and related-signal transduction pathways of DPSCs in 3D-spheroid culture via magnetic levitation (3DM), compared with 2D-monolayer (2D) and 3D-aggregate (3D) cultures. METHODS The gross morphology and cellular ultrastructure were observed in the 2D, 3D, and 3DM experimental groups using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Surface markers and trilineage differentiation were evaluated using flow cytometry and staining analysis. Quantitative reverse transcription-polymerase chain reaction and immunofluorescence staining (IF) were performed to investigate the expression of differentiation and stemness markers. Signaling transduction pathways were evaluated using western blot analysis. RESULTS The morphology of cell aggregates and spheroids was largely influenced by the types of cell culture plates and initial cell seeding density. SEM and TEM experiments confirmed that the solid and firm structure of spheroids was quickly formed in the 3DM-medium without damaging cells. In addition, these three groups all expressed multilineage differentiation capabilities and surface marker expression. The trilineage differentiation capacities of the 3DM-group were significantly superior to the 2D and 3D-groups. The osteogenesis, angiogenesis, adipogenesis, and stemness-related genes were significantly enhanced in the 3D and 3DM-groups. The IF analysis showed that the extracellular matrix expression, osteogenesis, and angiogenesis proteins of the 3DM-group were significantly higher than those in the 2D and 3D-groups. Finally, 3DM-culture significantly activated the MAPK and NF-kB signaling transduction pathways and ameliorated the apoptosis effects of 3D-culture. CONCLUSIONS This study confirmed that 3DM-spheroids efficiently enhanced the therapeutic efficiency of DPSCs.
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Affiliation(s)
- Ya-Hui Chan
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yu-Chieh Lee
- Department of Obstetrics and Gynecology, Taipei Medical University Hospital, Taipei, Taiwan
| | - Chia-Yi Hung
- School of Dentistry, College of Oral Medicine, Taipei Medical University, No. 250, Wuxing St, Taipei, 11031, Taiwan
| | - Pi-Ju Yang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Pin-Chuang Lai
- Department of Diagnosis and Oral Health, School of Dentistry, University of Louisville, Louisville, KY, USA
| | - Sheng-Wei Feng
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan. .,School of Dentistry, College of Oral Medicine, Taipei Medical University, No. 250, Wuxing St, Taipei, 11031, Taiwan. .,Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei, Taiwan.
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Cabreira CL, Fulginiti RL, Sesterheim P, Shinkai RSA, Teixeira ER. Effect of hyaluronic acid on paracrine signaling of osteoblasts from mesenchymal stromal cells: potential impact on bone regeneration. Clin Oral Investig 2021; 25:4571-4578. [PMID: 33410999 DOI: 10.1007/s00784-020-03771-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 12/30/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVES This study evaluated hyaluronic acids (HA) with different molecular weights as potential matrices for tissue-engineered bone grafting and their possible influence on the paracrine mechanisms of adipose-derived mesenchymal stromal cells. MATERIAL AND METHODS Murine adipose mesenchymal stromal cells (mASCs) on the fourth passage were seeded in 96-well plates, osteoinduced for 27 days and exposed for 3 days to low (HA-LW) and high/low molecular weight (HA-HLW) at previously defined concentrations. Cytokines IGF-1, VEGF, FGF-2, and BMP-2 were evaluated by quantification in the supernatant. RESULTS Greater expression of growth factors was observed in groups with HA-HLW compared to HA-LW. Results indicated that differentiated cells secreted fewer cytokines, namely VEGF, FGF, and BMP-2 than undifferentiated mASCs (p < 0.05). IGF-1 showed its greatest expression in the mASC HA-LW group (p < 0.05). CONCLUSIONS The application of HA-HLW as cell matrix in tissue engineering did not compromise mASC paracrine effect. Also, the association of HA-HLW matrix and mASCs resulted in greater expression of osteogenic growth factors. Longer periods of cell differentiation seemed to negatively affect their capacity for local paracrine stimulation. CLINICAL RELEVANCE The use of HA-HLW as matrix for undifferentiated ASCs can be positive for bone regeneration, favoring its application as cell matrix in bone grafting procedures.
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Affiliation(s)
- Carina Lantmann Cabreira
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Roberta Limeira Fulginiti
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Patricia Sesterheim
- Experimental Cardiology Center, Institute of Cardiology of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rosemary Sadami Arai Shinkai
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Eduardo Rolim Teixeira
- School of Health and Life Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
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Spagnoli DB, Niquette CC. Reconstruction of the Extraction Socket: Methods, Manipulations, and Management. Oral Maxillofac Surg Clin North Am 2020; 32:593-609. [PMID: 33004150 DOI: 10.1016/j.coms.2020.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Extensive reviews have concluded that grafting of the socket reduces bone loss regardless of product or method. However, nothing has been shown to reliably and completely maintain alveolar dimensions. We advocate a biologically driven and anatomically based approach for reconstruction of the socket. There are various socket manipulations that we have found to predictably prepare a site for dental implant. The combination of graft construct design and socket management maximizes graft success for any practitioner. Each socket should be treated individually, and products or methods used that are coincident with the complexity of the defect in question.
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Affiliation(s)
- Daniel B Spagnoli
- Private Practice, Brunswick Oral and Maxillofacial Surgery, 90 Medical Center Drive Southwest, Supply, NC 28462, USA
| | - Christopher C Niquette
- Brunswick Oral and Maxillofacial Surgery; Private Practice, Third Coast Oral and Maxillofacial Surgery, Grand Rapids, MI, USA.
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7
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Dziedzic DSM, Mogharbel BF, Ferreira PE, Irioda AC, de Carvalho KAT. Transplantation of Adipose-derived Cells for Periodontal Regeneration: A Systematic Review. Curr Stem Cell Res Ther 2019; 14:504-518. [PMID: 30394216 DOI: 10.2174/1574888x13666181105144430] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 10/22/2018] [Accepted: 10/29/2018] [Indexed: 12/22/2022]
Abstract
This systematic review evaluated the transplantation of cells derived from adipose tissue for applications in dentistry. SCOPUS, PUBMED and LILACS databases were searched for in vitro studies and pre-clinical animal model studies using the keywords "ADIPOSE", "CELLS", and "PERIODONTAL", with the Boolean operator "AND". A total of 160 titles and abstracts were identified, and 29 publications met the inclusion criteria, 14 in vitro and 15 in vivo studies. In vitro studies demonstrated that adipose- derived cells stimulate neovascularization, have osteogenic and odontogenic potential; besides adhesion, proliferation and differentiation on probable cell carriers. Preclinical studies described improvement of bone and periodontal healing with the association of adipose-derived cells and the carrier materials tested: Platelet Rich Plasma, Fibrin, Collagen and Synthetic polymer. There is evidence from the current in vitro and in vivo data indicating that adipose-derived cells may contribute to bone and periodontal regeneration. The small quantity of studies and the large variation on study designs, from animal models, cell sources and defect morphology, did not favor a meta-analysis. Additional studies need to be conducted to investigate the regeneration variability and the mechanisms of cell participation in the processes. An overview of animal models, cell sources, and scaffolds, as well as new perspectives are provided for future bone and periodontal regeneration study designs.
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Affiliation(s)
- Dilcele Silva Moreira Dziedzic
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
- Dentistry Faculty, Universidade Positivo, Curitiba, Brazil
| | - Bassam Felipe Mogharbel
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
| | - Priscila Elias Ferreira
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
| | - Ana Carolina Irioda
- Pele Pequeno Principe Institute for Child and Adolescent Health Research, Pequeno Principe Faculty, Curitiba, Brazil
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8
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Cheng P, Li D, Gao Y, Cao T, Jiang H, Wang J, Li J, Zhang S, Song Y, Liu B, Wang C, Yang L, Pei G. Prevascularization promotes endogenous cell-mediated angiogenesis by upregulating the expression of fibrinogen and connective tissue growth factor in tissue-engineered bone grafts. Stem Cell Res Ther 2018; 9:176. [PMID: 29973254 PMCID: PMC6030739 DOI: 10.1186/s13287-018-0925-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/29/2018] [Accepted: 06/13/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Vascularization is one of the most important processes in tissue-engineered bone graft (TEBG)-mediated regeneration of large segmental bone defects. We previously showed that prevascularization of TEBGs promoted capillary vessel formation within the defected site and accelerated new bone formation. However, the precise mechanisms and contribution of endogenous cells were not explored. METHODS We established a large defect (5 mm) model in the femur of EGFP+ transgenic rats and implanted a β-tricalcium phosphate (β-TCP) scaffold seeded with exogenous EGFP- cells; the femoral vascular bundle was inserted into the scaffold before implantation in the prevascularized TEBG group. Histopathology and scanning electron microscopy were performed and connective tissue growth factor (CTGF) and fibrin expression, exogenous cell survival, endogenous cell migration and behavior, and collagen type I and III deposition were assessed at 1 and 4 weeks post implantation. RESULTS We found that the fibrinogen content can be increased at the early stage of vascular bundle transplantation, forming a fibrin reticulate structure and tubular connections between pores of β-TCP material, which provides a support for cell attachment and migration. Meanwhile, CTGF expression is increased, and more endogenous cells can be recruited and promote collagen synthesis and angiogenesis. By 4 weeks post implantation, the tubular connections transformed into von Willebrand factor-positive capillary-like structures with deposition of type III collagen, and accelerated angiogenesis of endogenous cells. CONCLUSIONS These findings demonstrate that prevascularization promotes the recruitment of endogenous cells and collagen deposition by upregulating fibrinogen and CTGF, directly resulting in new blood vessel formation. In addition, this molecular mechanism can be used to establish fast-acting angiogenesis materials in future clinical applications.
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Affiliation(s)
- Pengzhen Cheng
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Donglin Li
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.,Hospital 463 of People's Liberation Army, Shenyang, 110042, People's Republic of China
| | - Yi Gao
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Tianqing Cao
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Huijie Jiang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Jimeng Wang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.,Department of Orthopedics, The 251st Hospital of PLA, Zhangjiakou, 075000, China
| | - Junqin Li
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Shuaishuai Zhang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Yue Song
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Bin Liu
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Chunmei Wang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China
| | - Liu Yang
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
| | - Guoxian Pei
- Institute of Orthopedic Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, People's Republic of China.
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Yamada M, Egusa H. Current bone substitutes for implant dentistry. J Prosthodont Res 2017; 62:152-161. [PMID: 28927994 DOI: 10.1016/j.jpor.2017.08.010] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 08/07/2017] [Accepted: 08/29/2017] [Indexed: 01/08/2023]
Abstract
PURPOSE Alveolar ridge augmentation is essential for success in implant therapy and depends on the biological performance of bone graft materials. This literature review aims to comprehensively explain the clinically relevant capabilities and limitations of currently available bone substitutes for bone augmentation in light of biomaterial science. STUDY SELECTION The biological performance of calcium phosphate-based bone substitutes was categorized according to space-making capability, biocompatibility, bioabsorption, and volume maintenance over time. Each category was reviewed based on clinical studies, preclinical animal studies, and in vitro studies. RESULTS Currently available bone substitutes provide only osteoconduction as a scaffold but not osteoinduction. Particle size, sensitivity to enzymatic or chemical dissolution, and mechanical properties affect the space-making capability of bone substitutes. The nature of collagen fibers, particulate size, and release of calcium ions influence the biocompatibility of bone substitutes. Bioabsorption of bone substitutes is determined by water solubility (chemical composition) and acid resistance (integrity of apatite structure). Bioabsorption of remnant bone substitute material and volume maintenance of the augmented bone are inversely related. CONCLUSION It is necessary to improve the biocompatibility of currently available bone substitutes and to strike an appropriate balance between bioabsorption and volume maintenance to achieve ideal bone remodeling.
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Affiliation(s)
- Masahiro Yamada
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Japan
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Japan.
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10
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Kuroshima S, Kaku M, Ishimoto T, Sasaki M, Nakano T, Sawase T. A paradigm shift for bone quality in dentistry: A literature review. J Prosthodont Res 2017. [PMID: 28633987 DOI: 10.1016/j.jpor.2017.05.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
PURPOSE The aim of this study was to present the current concept of bone quality based on the proposal by the National Institutes of Health (NIH) and some of the cellular and molecular factors that affect bone quality. STUDY SELECTION This is a literature review which focuses on collagen, biological apatite (BAp), and bone cells such as osteoblasts and osteocytes. RESULTS In dentistry, the term "bone quality" has long been considered to be synonymous with bone mineral density (BMD) based on radiographic and sensible evaluations. In 2000, the NIH proposed the concept of bone quality as "the sum of all characteristics of bone that influence the bone's resistance to fracture," which is completely independent of BMD. The NIH defines bone quality as comprising bone architecture, bone turnover, bone mineralization, and micro-damage accumulation. Moreover, our investigations have demonstrated that BAp, collagen, and bone cells such as osteoblasts and osteocytes play essential roles in controlling the current concept of bone quality in bone around hip and dental implants. CONCLUSION The current concept of bone quality is crucial for understanding bone mechanical functions. BAp, collagen and osteocytes are the main factors affecting bone quality. Moreover, mechanical loading dynamically adapts bone quality. Understanding the current concept of bone quality is required in dentistry.
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Affiliation(s)
- Shinichiro Kuroshima
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1, Sakamoto, Nagasaki-city, Nagasaki 852-8588, Japan.
| | - Masaru Kaku
- Division of Bio-prosthodontics, Graduate School of Medical and Dental Science, Niigata University, 2-5274, Gakkocho-dori, Chuo-ku, Niigata-City, Niigata 951-8514, Japan
| | - Takuya Ishimoto
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita-city, Osaka 565-0871, Japan
| | - Muneteru Sasaki
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1, Sakamoto, Nagasaki-city, Nagasaki 852-8588, Japan
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamadaoka, Suita-city, Osaka 565-0871, Japan
| | - Takashi Sawase
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1, Sakamoto, Nagasaki-city, Nagasaki 852-8588, Japan
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11
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Urano-Morisawa E, Takami M, Suzawa T, Matsumoto A, Osumi N, Baba K, Kamijo R. Induction of osteoblastic differentiation of neural crest-derived stem cells from hair follicles. PLoS One 2017; 12:e0174940. [PMID: 28384239 PMCID: PMC5383073 DOI: 10.1371/journal.pone.0174940] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 03/17/2017] [Indexed: 12/12/2022] Open
Abstract
The neural crest (NC) arises near the neural tube during embryo development. NC cells migrate throughout the embryo and have potential to differentiate into multiple cell types, such as peripheral nerves, glial, cardiac smooth muscle, endocrine, and pigment cells, and craniofacial bone. In the present study, we induced osteoblast-like cells using whisker follicles obtained from the NC of mice. Hair follicle cells derived from the NC labeled with enhanced green fluorescent protein (EGFP) were collected from protein zero-Cre/floxed-EGFP double transgenic mice and cultured, then treated and cultured in stem cell growth medium. After growth for 14 days, results of flow cytometry analysis showed that 95% of the EGFP-positive (EGFP+) hair follicle cells derived from the NC had proliferated and 76.2% of those expressed mesenchymal stem cells markers, such as platelet-derived growth factor α and stem cell antigen-1, and also showed constitutive expression of Runx2 mRNA. Cells stimulated with bone morphogenetic protein-2 expressed osteocalcin, osterix, and alkaline phosphatase mRNA, resulting in production of mineralized matrices, which were detected by von Kossa and alizarin red staining. Moreover, EGFP+ hair follicle cells consistently expressed macrophage colony-stimulating factor and osteoprotegerin (OPG). Addition of 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3] (10-8 M) to the cultures suppressed OPG expression and induced RANKL production in the cells. Furthermore, multinucleated osteoclasts appeared within 6 days after starting co-cultures of bone marrow cells with EGFP+ cells in the presence of 1,25(OH)2D3 and PGE2. These results suggest that NC-derived hair follicle cells possess a capacity for osteoblastic differentiation and may be useful for developing new bone regenerative medicine therapies.
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Affiliation(s)
- Eri Urano-Morisawa
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
- Department of Prosthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Masamichi Takami
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
- Department of Pharmacology, School of Dentistry, Showa University, Tokyo, Japan
- * E-mail:
| | - Tetsuo Suzawa
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
| | - Akifumi Matsumoto
- Department of Prosthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Noriko Osumi
- Division of Developmental Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kazuyoshi Baba
- Department of Prosthodontics, School of Dentistry, Showa University, Tokyo, Japan
| | - Ryutaro Kamijo
- Department of Biochemistry, School of Dentistry, Showa University, Tokyo, Japan
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12
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Kaku M, Kitami M, Rosales Rocabado JM, Ida T, Akiba Y, Uoshima K. Recruitment of bone marrow-derived cells to the periodontal ligament via the stromal cell-derived factor-1/C-X-C chemokine receptor type 4 axis. J Periodontal Res 2017; 52:686-694. [PMID: 28177531 DOI: 10.1111/jre.12433] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2016] [Indexed: 12/31/2022]
Abstract
BACKGROUND/OBJECTIVES The periodontal ligament (PDL) is a non-mineralized connective tissue that exists between the alveolar bone and root surface cementum and plays important roles in tooth function. The PDL harbors a remarkable reserve of multipotent stem cells, which maintain various types of cells. However, the sources of these stem cells, other than their developmental origin, are not well understood. MATERIAL AND METHODS To elucidate the recruitment of bone marrow (BM)-derived stem cells in the PDL, green fluorescent protein (GFP)-expressing BM-derived cells were transplanted into the femoral BM of immunodeficient rats, and the distribution and expression of stem cell markers in the PDL were analyzed in vivo. To evaluate the functional significance of BM-derived cells to the PDL, tooth replantation was performed and the expression of stromal cell-derived factor (SDF)-1, a critical chemotactic signal for mesenchymal stem cell recruitment, was analyzed. To confirm the SDF-1-dependency of BM-derived cell migration to the PDL, PDL-conditioned medium (CM) was prepared, and BM-derived cell migration was analyzed using a transwell culture system. RESULTS Four weeks after cell transplantation, GFP-positive cells were detected in the PDL, and some of them were also positive for stem cell markers (i.e., CD29, SSEA4, and αSMA). Seven days after tooth replantation, the number of GFP- and SDF-1-positive cells significantly increased in PDL. Concurrently, the concentration of SDF-1 and the number of colony-forming units of fibroblasts in peripheral blood were increased. BM-derived cell migration increased in PDL-CM and was inhibited by an inhibitor of C-X-C chemokine receptor type 4 (CXCR4), an SDF-1 receptor. CONCLUSION These results indicate that stem cells and their progeny in PDL are not only derived from their developmental origin but are also supplied from the BM via the blood as the need arises. Moreover, this BM-derived cell recruitment appears to be regulated, at least partially, by the SDF-1/CXCR4 axis.
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Affiliation(s)
- M Kaku
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - M Kitami
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - J M Rosales Rocabado
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - T Ida
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Y Akiba
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - K Uoshima
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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13
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Niibe K, Zhang M, Nakazawa K, Morikawa S, Nakagawa T, Matsuzaki Y, Egusa H. The potential of enriched mesenchymal stem cells with neural crest cell phenotypes as a cell source for regenerative dentistry. JAPANESE DENTAL SCIENCE REVIEW 2016; 53:25-33. [PMID: 28479933 PMCID: PMC5405184 DOI: 10.1016/j.jdsr.2016.09.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 08/30/2016] [Accepted: 09/16/2016] [Indexed: 01/14/2023] Open
Abstract
Effective regenerative treatments for periodontal tissue defects have recently been demonstrated using mesenchymal stromal/stem cells (MSCs). Furthermore, current bioengineering techniques have enabled de novo fabrication of tooth-perio dental units in mice. These cutting-edge technologies are expected to address unmet needs within regenerative dentistry. However, to achieve efficient and stable treatment outcomes, preparation of an appropriate stem cell source is essential. Many researchers are investigating the use of adult stem cells for regenerative dentistry; bone marrow-derived MSCs (BM-MSCs) are particularly promising and presently used clinically. However, current BM-MSC isolation techniques result in a heterogeneous, non-reproducible cell population because of a lack of identified distinct BM-MSC surface markers. Recently, specific subsets of cell surface markers for BM-MSCs have been reported in mice (PDGFRα+ and Sca-1+) and humans (LNGFR+, THY-1+ and VCAM-1+), facilitating the isolation of unique enriched BM-MSCs (so-called “purified MSCs”). Notably, the enriched BM-MSC population contains neural crest-derived cells, which can differentiate into cells of neural crest- and mesenchymal lineages. In this review, characteristics of the enriched BM-MSCs are outlined with a focus on their potential application within future regenerative dentistry.
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Affiliation(s)
- Kunimichi Niibe
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Maolin Zhang
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Kosuke Nakazawa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
| | - Satoru Morikawa
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Taneaki Nakagawa
- Department of Dentistry and Oral Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Yumi Matsuzaki
- Department of Cancer Biology, Faculty of Medicine, Shimane University, 89-1 Enya-cho Izumo, Shimane 693-8501, Japan
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan.,Center for Advanced Stem Cell and Regenerative Research, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan
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14
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Kuroshima S, Kaku M, Matsuura T, Atsuta I, Ayukawa Y, Sawase T. Medication-related osteonecrosis of the jaw; what should we do as prosthodontists? J Prosthodont Res 2016; 60:229-230. [PMID: 26874926 DOI: 10.1016/j.jpor.2016.01.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Revised: 12/07/2015] [Accepted: 01/16/2016] [Indexed: 11/18/2022]
Affiliation(s)
- Shinichiro Kuroshima
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki-city, Nagasaki 852-8588, Japan.
| | - Masaru Kaku
- Division of Bioprosthodontics, Niigata University Graduate School of Medical and Dental Sciences, 2-5274 Gakkocho-dori, Chuo-ku, Niigata 951-8514, Japan
| | - Takashi Matsuura
- Section of Fixed Partial Prosthodontics, Department of Oral Rehabilitation, Fukuoka Dental College, 15-1 Tamura 2-Chome, Sawara-ku, Fukuoka 814-0193, Japan
| | - Ikiru Atsuta
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yasunori Ayukawa
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takashi Sawase
- Department of Applied Prosthodontics, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki-city, Nagasaki 852-8588, Japan
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15
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Niibe K, Suehiro F, Oshima M, Nishimura M, Kuboki T, Egusa H. Challenges for stem cell-based "regenerative prosthodontics". J Prosthodont Res 2016; 61:3-5. [PMID: 27720168 DOI: 10.1016/j.jpor.2016.09.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Revised: 08/31/2016] [Accepted: 09/16/2016] [Indexed: 11/19/2022]
Affiliation(s)
- Kunimichi Niibe
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Japan
| | - Fumio Suehiro
- Department of Oral and Maxillofacial Prosthodontics, Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
| | - Masamitsu Oshima
- Department of Oral Rehabilitation and Regenerative Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Japan
| | - Masahiro Nishimura
- Department of Oral and Maxillofacial Prosthodontics, Graduate School of Medical and Dental Sciences, Kagoshima University, Japan
| | - Takuo Kuboki
- Department of Oral Rehabilitation and Regenerative Medicine, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Japan
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Japan.
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16
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Lucaciu O, Crisan B, Crisan L, Baciut M, Soritau O, Bran S, Biris AR, Hurubeanu L, Hedesiu M, Vacaras S, Kretschmer W, Dirzu N, Campian RS, Baciut G. In quest of optimal drug-supported and targeted bone regeneration in the cranio facial area: a review of techniques and methods. Drug Metab Rev 2016; 47:455-69. [PMID: 26689239 DOI: 10.3109/03602532.2015.1124889] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Craniofacial bone structures are frequently and extensively affected by trauma, tumors, bone infections and diseases, age-related degeneration and atrophy, as well as congenital malformations and developmental anomalies. Consequently, severe encumbrances are imposed on both patients and healthcare systems due to the complex and lengthy treatment duration. The search for alternative methods to bone transplantation, grafting and the use of homologous or heterologous bone thus responds to one of the most significant problems in human medicine. This review focuses on the current consensus of bone-tissue engineering in the craniofacial area with emphasis on drug-induced stem cell differentiation and induced bone regeneration.
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Affiliation(s)
- Ondine Lucaciu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Bogdan Crisan
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Liana Crisan
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Mihaela Baciut
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Olga Soritau
- b "Ion Chiricuta" Oncological Institute , Cluj-Napoca , Romania
| | - Simion Bran
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Alexandru Radu Biris
- c National Institute for Research and Development of Isotopic and Molecular Technologies , Cluj-Napoca , Romania
| | - Lucia Hurubeanu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Mihaela Hedesiu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Sergiu Vacaras
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | | | - Noemi Dirzu
- e Technical University of Cluj-Napoca , Cluj-Napoca , Romania
| | - Radu Septimiu Campian
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Grigore Baciut
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
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17
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Bugueño J, Li W, Salat P, Qin L, Akintoye SO. The bone regenerative capacity of canine mesenchymal stem cells is regulated by site-specific multilineage differentiation. Oral Surg Oral Med Oral Pathol Oral Radiol 2016; 123:163-172. [PMID: 27876576 DOI: 10.1016/j.oooo.2016.09.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Revised: 08/08/2016] [Accepted: 09/14/2016] [Indexed: 12/19/2022]
Abstract
OBJECTIVES Mesenchymal stem cells (MSCs) offer a promising therapy in dentistry because of their multipotent properties. Selecting donor MSCs is crucial because Beagle dogs (canines) commonly used in preclinical studies have shown variable outcomes, and it is unclear whether canine MSCs (cMSCs) are skeletal site specific. This study tested whether jaw and long bone cMSCs have disparate in vitro and in vivo multilineage differentiation capabilities. STUDY DESIGN Primary cMSCs were isolated from the mandible (M-cMSCs) and femur (F-cMSCs) of four healthy Beagle dogs. The femur served as the non-oral control. Clonogenic and proliferative abilities were assessed. In vitro osteogenic, chondrogenic, adipogenic, and neural multilineage differentiation were correlated with in vivo bone regeneration and potential for clinical applications. RESULTS M-cMSCs displayed two-fold increase in clonogenic and proliferative capacities relative to F-cMSCs (P = .006). M-cMSCs in vitro osteogenesis based on alkaline phosphatase (P = .04), bone sialoprotein (P = .05), and osteocalcin (P = .03), as well as adipogenesis (P = .007) and chondrogenesis (P = .009), were relatively higher and correlated with enhanced M-cMSC bone regenerative capacity. Neural expression markers, nestin and βIII-tubulin, were not significantly different. CONCLUSIONS The enhanced differentiation and bone regenerative capacity of mandible MSCs may make them favorable donor graft materials for site-specific jaw bone regeneration.
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Affiliation(s)
- Juan Bugueño
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Weihua Li
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Pinky Salat
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ling Qin
- Department of Orthopedics School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Sunday O Akintoye
- Department of Oral Medicine, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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18
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Akiba Y, Eguchi K, Akiba N, Uoshima K. Biological Evaluation of Implant Drill Made from Zirconium Dioxide. Clin Implant Dent Relat Res 2016; 19:306-315. [PMID: 27658993 PMCID: PMC5396264 DOI: 10.1111/cid.12452] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Purpose Zirconia is a good candidate material in the dental field. In this study, we evaluated biological responses against a zirconia drill using a bone cavity healing model. Materials and Methods Zirconia drills, stainless steel drills, and the drilled bone surface were observed by scanning electron microscopy (SEM), before and after cavity preparation. For the bone cavity healing model, the upper first and second molars of Wistar rats were extracted. After 4 weeks, cavities were prepared with zirconia drills on the left side. As a control, a stainless steel drill was used on the right side. At 3, 7, and 14 days after surgery, micro‐CT images were taken. Samples were prepared for histological staining. Results SEM images revealed that zirconia drills maintained sharpness even after 30 drilling procedures. The bone surface was smoother with the zirconia drill. Micro‐CT images showed faster and earlier bone healing in the zirconia drill cavity. On H‐E staining, at 7 days, the zirconia drill defect had a smaller blank lacunae area. At 14 days, the zirconia drill defect was filled with newly formed bone. Conclusions The zirconia drill induces less damage during cavity preparation and is advantageous for bone healing. (197 words)
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Affiliation(s)
- Yosuke Akiba
- Division of Bio-prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kaori Eguchi
- Division of Bio-prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Nami Akiba
- Division of Bio-prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Katsumi Uoshima
- Division of Bio-prosthodontics, Department of Oral Health Science, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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19
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Scaffold-Free Fabrication of Osteoinductive Cellular Constructs Using Mouse Gingiva-Derived Induced Pluripotent Stem Cells. Stem Cells Int 2016; 2016:6240794. [PMID: 27110251 PMCID: PMC4826709 DOI: 10.1155/2016/6240794] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 02/18/2016] [Indexed: 12/14/2022] Open
Abstract
Three-dimensional (3D) cell constructs are expected to provide osteoinductive materials to develop cell-based therapies for bone regeneration. The proliferation and spontaneous aggregation capability of induced pluripotent stem cells (iPSCs) thus prompted us to fabricate a scaffold-free iPSC construct as a transplantation vehicle. Embryoid bodies of mouse gingival fibroblast-derived iPSCs (GF-iPSCs) were seeded in a cell chamber with a round-bottom well made of a thermoresponsive hydrogel. Collected ball-like cell constructs were cultured in osteogenic induction medium for 30 days with gentle shaking, resulting in significant upregulation of osteogenic marker genes. The constructs consisted of an inner region of unstructured cell mass and an outer osseous tissue region that was surrounded by osteoblast progenitor-like cells. The outer osseous tissue was robustly calcified with elemental calcium and phosphorous as well as hydroxyapatite. Subcutaneous transplantation of the GF-iPSC constructs into immunodeficient mice contributed to extensive ectopic bone formation surrounded by teratoma tissue. These results suggest that mouse GF-iPSCs could facilitate the fabrication of osteoinductive scaffold-free 3D cell constructs, in which the calcified regions and surrounding osteoblasts may function as scaffolds and drivers of osteoinduction, respectively. With incorporation of technologies to inhibit teratoma formation, this system could provide a promising strategy for bone regenerative therapies.
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20
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Akita D, Kano K, Saito-Tamura Y, Mashimo T, Sato-Shionome M, Tsurumachi N, Yamanaka K, Kaneko T, Toriumi T, Arai Y, Tsukimura N, Matsumoto T, Ishigami T, Isokawa K, Honda M. Use of Rat Mature Adipocyte-Derived Dedifferentiated Fat Cells as a Cell Source for Periodontal Tissue Regeneration. Front Physiol 2016; 7:50. [PMID: 26941649 PMCID: PMC4763019 DOI: 10.3389/fphys.2016.00050] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 02/02/2016] [Indexed: 12/25/2022] Open
Abstract
Lipid-free fibroblast-like cells, known as dedifferentiated fat (DFAT) cells, can be generated from mature adipocytes with a large single lipid droplet. DFAT cells can re-establish their active proliferation ability and can transdifferentiate into various cell types under appropriate culture conditions. The first objective of this study was to compare the multilineage differentiation potential of DFAT cells with that of adipose-derived stem cells (ASCs) on mesenchymal stem cells. We obtained DFAT cells and ASCs from inbred rats and found that rat DFAT cells possess higher osteogenic differentiation potential than rat ASCs. On the other hand, DFAT cells show similar adipogenic differentiation, and chondrogenic differentiation potential in comparison with ASCs. The second objective of this study was to assess the regenerative potential of DFAT cells combined with novel solid scaffolds composed of PLGA (Poly d, l-lactic-co-glycolic acid) on periodontal tissue, and to compare this with the regenerative potential of ASCs combined with PLGA scaffolds. Cultured DFAT cells and ASCs were seeded onto PLGA scaffolds (DFAT/PLGA and ASCs/PLGA) and transplanted into periodontal fenestration defects in rat mandible. Micro computed tomography analysis revealed a significantly higher amount of bone regeneration in the DFAT/PLGA group compared with that of ASCs/PLGA and PLGA-alone groups at 2, 3, and 5 weeks after transplantation. Similarly, histomorphometric analysis showed that DFAT/PLGA groups had significantly greater width of cementum, periodontal ligament and alveolar bone than ASCs/PLGA and PLGA-alone groups. In addition, transplanted fluorescent-labeled DFAT cells were observed in the periodontal ligament beside the newly formed bone and cementum. These findings suggest that DFAT cells have a greater potential for enhancing periodontal tissue regeneration than ASCs. Therefore, DFAT cells are a promising cell source for periodontium regeneration.
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Affiliation(s)
- Daisuke Akita
- Department of Partial Denture Prosthodontics, School of Dentistry, Nihon University Tokyo, Japan
| | - Koichiro Kano
- Laboratory of Cell and Tissue Biology, College of Bioresource Science, Nihon University Fujisawa, Japan
| | - Yoko Saito-Tamura
- Department of Orthodontics, School of Dentistry, Nihon University Tokyo, Japan
| | - Takayuki Mashimo
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, Juntendo University Tokyo, Japan
| | - Momoko Sato-Shionome
- Department of Pediatric Dentistry, School of Dentistry, Nihon University Tokyo, Japan
| | - Niina Tsurumachi
- Department of Orthodontics, School of Dentistry, Nihon University Tokyo, Japan
| | | | | | - Taku Toriumi
- Department of Anatomy, School of Dentistry, Nihon University Tokyo, Japan
| | | | - Naoki Tsukimura
- Department of Partial Denture Prosthodontics, School of Dentistry, Nihon University Tokyo, Japan
| | - Taro Matsumoto
- Division of Cell Regeneration and Transplantation, Department of Functional Morphology, School of Medicine, Nihon University Tokyo, Japan
| | - Tomohiko Ishigami
- Department of Partial Denture Prosthodontics, School of Dentistry, Nihon University Tokyo, Japan
| | - Keitaro Isokawa
- Department of Anatomy, School of Dentistry, Nihon University Tokyo, Japan
| | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi-Gakuin University Nagoya, Japan
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21
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Li P, Honda Y, Arima Y, Yasui K, Inami K, Nishiura A, Hashimoto Y, Matsumoto N. Interferon-γ enhances the efficacy of autogenous bone grafts by inhibiting postoperative bone resorption in rat calvarial defects. J Prosthodont Res 2016; 60:167-76. [PMID: 26868926 DOI: 10.1016/j.jpor.2016.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 12/29/2015] [Accepted: 01/16/2016] [Indexed: 10/22/2022]
Abstract
PURPOSE Interferon (IFN)-γ is a major cytokine produced by immune cells that plays diverse roles in modulating both the immune system and bone metabolism, but its role in autogenous bone grafting remains unknown. Here, we present that local IFN-γ administration improved the efficacy of autogenous bone graft treatment in an experimental rat model. METHODS An autogenous bone graft model was prepared with critically sized rat calvariae defects. Four weeks (w) after bone graft implantation, rats were treated locally with IFN-γ or were not treated. The effect of IFN-γ on bone formation was evaluated for up to 8w with micro-computed tomography, quantitative histomorphometry, and Von Kossa staining. Osteoclastogenesis was assessed by tartrate-resistant acid phosphatase staining. Immunohistochemistry staining or quantitative polymerase chain reactions were used to estimate the expression of osteoclast differentiation factor and inflammatory cytokines including tumor necrosis factor (TNF)-α, a well-known stimulant of osteoclastogenesis and an inhibitor of osteoblast activity, in defects. RESULTS Newly formed bone gradually replaced the autogenous bone grafts within 4w, although severe bone resorption with osteoclastogenesis and TNF-α expression occurred after 6w in the absence of IFN-γ administration. IFN-γ administration markedly attenuated bone loss, osteoclastogenesis, and TNF-α expression, while it enhanced bone formation at 8w. CONCLUSION Local IFN-γ administration promoted bone formation in autogenous bone grafts possibly via regulating osteoclastogenesis and TNF-α expression. The data provide insights into the potential roles of IFN-γ in autogenous bone grafting.
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Affiliation(s)
- Peiqi Li
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Yoshitomo Honda
- Institute of Dental Research, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan.
| | - Yoshiyuki Arima
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Kenichirou Yasui
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Kaoru Inami
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Aki Nishiura
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
| | - Yoshiya Hashimoto
- Department of Biomaterials, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan.
| | - Naoyuki Matsumoto
- Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka 573-1121, Japan
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22
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Kitami M, Kaku M, Rocabado JMR, Ida T, Akiba N, Uoshima K. Prolonged Survival of Transplanted Osteoblastic Cells Does Not Directly Accelerate the Healing of Calvarial Bone Defects. J Cell Physiol 2016; 231:1974-82. [PMID: 26754153 DOI: 10.1002/jcp.25302] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 01/06/2016] [Indexed: 12/12/2022]
Abstract
Considering the increased interest in cell-based bone regeneration, it is necessary to reveal the fate of transplanted cells and their substantive roles in bone regeneration. The aim of this study was to analyze the fate of transplanted cells and the effect of osteogenic cell transplantation on calvarial bone defect healing. An anti-apoptotic protein, heat shock protein (HSP) 27, was overexpressed in osteoblasts. Then, the treated osteoblasts were transplanted to calvarial bone defect and their fate was analyzed to evaluate the significance of transplanted cell survival. Transient overexpression of Hsp27 rescued MC3T3-E1 osteoblastic cells from H2 O2 -induced apoptosis without affecting osteoblastic differentiation in culture. Transplantation of Hsp27-overexpressing cells, encapsulated in collagen gel, showed higher proliferative activity, and fewer apoptotic cells in comparison with control cells. After 4-week of transplantation, both control cell- and Hsp27 overexpressed cell-transplanted groups showed significantly higher new bone formation in comparison with cell-free gel-transplantation group. Interestingly, the prolonged survival of transplanted osteoblastic cells by Hsp27 did not provide additional effect on bone healing. The transplanted cells in collagen gel survived for up to 4-week but did not differentiate into bone-forming osteoblasts. In conclusion, cell-containing collagen gel accelerated calvarial bone defect healing in comparison with cell-free collagen gel. However, prolonged survival of transplanted cells by Hsp27 overexpression did not provide additional effect. These results strongly indicate that cell transplantation-based bone regeneration cannot be explained only by the increment of osteogenic cells. Further studies are needed to elucidate the practical roles of transplanted cells that will potentiate successful bone regeneration. J. Cell. Physiol. 231: 1974-1982, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Megumi Kitami
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.,Research Fellow of Japan Society for the Promotion of Science
| | - Masaru Kaku
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | | | - Takako Ida
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Nami Akiba
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Katsumi Uoshima
- Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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23
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Wang F, Okawa H, Kamano Y, Niibe K, Kayashima H, Osathanon T, Pavasant P, Saeki M, Yatani H, Egusa H. Controlled Osteogenic Differentiation of Mouse Mesenchymal Stem Cells by Tetracycline-Controlled Transcriptional Activation of Amelogenin. PLoS One 2015; 10:e0145677. [PMID: 26709694 PMCID: PMC4692545 DOI: 10.1371/journal.pone.0145677] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 12/07/2015] [Indexed: 01/25/2023] Open
Abstract
Regenerative dental therapies for bone tissues rely on efficient targeting of endogenous and transplanted mesenchymal stem cells (MSCs) to guide bone formation. Amelogenin is the primary component of Emdogain, which is used to regenerate periodontal defects; however, the mechanisms underlying the therapeutic effects on alveolar bone remain unclear. The tetracycline (Tet)-dependent transcriptional regulatory system is a good candidate to investigate distinct roles of genes of interest during stem cell differentiation. Here, we investigated amelogenin-dependent regulation of osteogenesis in MSCs by establishing a Tet-controlled transcriptional activation system. Clonal mouse bone marrow-derived MSCs were lentivirally transduced with the Tet repressor (TetR) expression vector followed by drug selection to obtain MSCs constitutively expressing TetR (MSCs-TetR). Expression vectors that contained the Tet operator and amelogenin-coding (Amelx) cDNA fragments were constructed using the Gateway system and lentivirally introduced into MSCs-TetR to generate a Tet regulation system in MSCs (MSCs-TetR/Amelx). MSCs-TetR/Amelx significantly overexpressed the Amelx gene and protein in the presence of the tetracycline derivative doxycycline. Concomitant expression of osterix, bone sialoprotein (BSP), osteopontin, and osteocalcin was modulated by addition or removal of doxycycline under osteogenic guidance. During osteogenic induction, MSCs-TetR/Amelx treated with doxycycline showed significantly increased gene expression of osterix, type I collagen, BSP, and osteocalcin in addition to increased alkaline phosphatase activity and mineralized nodule formation. Enhanced extracellular matrix calcification was observed when forced Amelx expression commenced at the early stage but not at the intermediate or late stages of osteogenesis. These results suggest that a Tet-controlled Amelx gene regulation system for mouse MSCs was successfully established, in which transcriptional activation of Amelx was associated with enhanced osteogenic differentiation, especially in the early stage of biomineralization.
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Affiliation(s)
- Fangfang Wang
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
| | - Hiroko Okawa
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
| | - Yuya Kamano
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
| | - Kunimichi Niibe
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
| | - Hiroki Kayashima
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
| | - Thanaphum Osathanon
- Research Unit of Mineralized Tissue, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Prasit Pavasant
- Research Unit of Mineralized Tissue, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Makio Saeki
- Division of Dental Pharmacology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hirofumi Yatani
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
| | - Hiroshi Egusa
- Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan
- * E-mail:
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24
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Hosokawa R. Minimally invasive interventions for replacing missing teeth with implants: current status and future perspective. J Prosthodont Res 2015; 59:79-80. [PMID: 25858693 DOI: 10.1016/j.jpor.2015.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ryuji Hosokawa
- Department of Oral Rehabilitation and Reconstruction, Faculty of Dentistry, Kyushu Dental University, Kitakyushu 803-8580, Japan.
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