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Shokri M, Dalili F, Kharaziha M, Baghaban Eslaminejad M, Ahmadi Tafti H. Strong and bioactive bioinspired biomaterials, next generation of bone adhesives. Adv Colloid Interface Sci 2022; 305:102706. [PMID: 35623113 DOI: 10.1016/j.cis.2022.102706] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/20/2022] [Accepted: 05/15/2022] [Indexed: 12/29/2022]
Abstract
The bone adhesive is a clinical requirement for complicated bone fractures always articulated by surgeons. Applying glue is a quick and easy way to fix broken bones. Adhesives, unlike conventional fixation methods such as wires and sutures, improve healing conditions and reduce postoperative pain by creating a complete connection at the fractured joint. Despite many efforts in the field of bone adhesives, the creation of a successful adhesive with robust adhesion and appropriate bioactivity for the treatment of bone fractures is still in its infancy. Because of the resemblance of the body's humid environment to the underwater environment, in the latest decades, researchers have pursued inspiration from nature to develop strong bioactive adhesives for bone tissue. The aim of this review article is to discuss the recent state of the art in bone adhesives with a specific focus on biomimetic adhesives, their action mechanisms, and upcoming perspective. Firstly, the adhesive biomaterials with specific affinity to bone tissue are introduced and their rational design is studied. Consequently, various types of synthetic and natural bioadhesives for bone tissue are comprehensively overviewed. Then, bioinspired-adhesives are described, highlighting relevant structures and examples of biomimetic adhesives mainly made of DOPA and the complex coacervates inspired by proteins secreted in mussel and sandcastle worms, respectively. Finally, this article overviews the challenges of the current bioadhesives and the future research for the improvement of the properties of biomimetic adhesives for use as bone adhesives.
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Affiliation(s)
- Mahshid Shokri
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Faezeh Dalili
- School of Metallurgy & Materials Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Sciences Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Hossein Ahmadi Tafti
- Tehran Heart Hospital Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Vrchovecká K, Pávková-Goldbergová M, Engqvist H, Pujari-Palmer M. Cytocompatibility and Bioactive Ion Release Profiles of Phosphoserine Bone Adhesive: Bridge from In Vitro to In Vivo. Biomedicines 2022; 10:biomedicines10040736. [PMID: 35453486 PMCID: PMC9044752 DOI: 10.3390/biomedicines10040736] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/09/2022] [Accepted: 03/18/2022] [Indexed: 02/06/2023] Open
Abstract
One major challenge when developing new biomaterials is translating in vitro testing to in vivo models. We have recently shown that a single formulation of a bone tissue adhesive, phosphoserine modified cement (PMC), is safe and resorbable in vivo. Herein, we screened many new adhesive formulations, for cytocompatibility and bioactive ion release, with three cell lines: MDPC23 odontoblasts, MC3T3 preosteoblasts, and L929 fibroblasts. Most formulations were cytocompatible by indirect contact testing (ISO 10993-12). Formulations with larger amounts of phosphoserine (>50%) had delayed setting times, greater ion release, and cytotoxicity in vitro. The trends in ion release from the adhesive that were cured for 24 h (standard for in vitro) were similar to release from the adhesives cured only for 5−10 min (standard for in vivo), suggesting that we may be able to predict the material behavior in vivo, using in vitro methods. Adhesives containing calcium phosphate and silicate were both cytocompatible for seven days in direct contact with cell monolayers, and ion release increased the alkaline phosphatase (ALP) activity in odontoblasts, but not pre-osteoblasts. This is the first study evaluating how PMC formulation affects osteogenic cell differentiation (ALP), cytocompatibility, and ion release, using in situ curing conditions similar to conditions in vivo.
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Affiliation(s)
- Kateřina Vrchovecká
- Department of Pathology Physiology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; (K.V.); (M.P.-G.)
| | - Monika Pávková-Goldbergová
- Department of Pathology Physiology, Faculty of Medicine, Masaryk University, 62500 Brno, Czech Republic; (K.V.); (M.P.-G.)
| | - Håkan Engqvist
- Department of Materials Science and Engineering, Applied Material Science, Uppsala University, 75103 Uppsala, Sweden
- Correspondence: (H.E.); (M.P.-P.)
| | - Michael Pujari-Palmer
- Department of Materials Science and Engineering, Applied Material Science, Uppsala University, 75103 Uppsala, Sweden
- Correspondence: (H.E.); (M.P.-P.)
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Schröter L, Kaiser F, Stein S, Gbureck U, Ignatius A. Biological and mechanical performance and degradation characteristics of calcium phosphate cements in large animals and humans. Acta Biomater 2020; 117:1-20. [PMID: 32979583 DOI: 10.1016/j.actbio.2020.09.031] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/21/2020] [Accepted: 09/15/2020] [Indexed: 12/11/2022]
Abstract
Calcium phosphate cements (CPCs) have been used to treat bone defects and support bone regeneration because of their good biocompatibility and osteointegrative behavior. Since their introduction in the 1980s, remarkable clinical success has been achieved with these biomaterials, because they offer the unique feature of being moldable and even injectable into implant sites, where they harden through a low-temperature setting reaction. However, despite decades of research efforts, two major limitations concerning their biological and mechanical performance hamper a broader clinical use. Firstly, achieving a degradation rate that is well adjusted to the dynamics of bone formation remains a challenging issue. While apatite-forming CPCs frequently remain for years at the implant site without major signs of degradation, brushite-forming CPCs are considered to degrade to a greater extent. However, the latter tend to convert into lower soluble phases under physiological conditions, which makes their degradation behavior rather unpredictable. Secondly, CPCs exhibit insufficient mechanical properties for load bearing applications because of their inherent brittleness. This review places an emphasis on these limitations and provides an overview of studies that have investigated the biological and biomechanical performance as well as the degradation characteristics of different CPCs after implantation into trabecular bone. We reviewed studies performed in large animals, because they mimic human bone physiology more closely in terms of bone metabolism and mechanical loading conditions compared with small laboratory animals. We compared the results of these studies with clinical trials that have dealt with the degradation behavior of CPCs after vertebroplasty and kyphoplasty.
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Affiliation(s)
- Lena Schröter
- Institute for Orthopedic Research and Biomechanics, Ulm University Medical Center, Helmholtzstrasse 14, D-89081 Ulm, Germany
| | - Friederike Kaiser
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg, Pleicherwall 2, D-97070 Würzburg, Germany
| | - Svenja Stein
- Institute for Orthopedic Research and Biomechanics, Ulm University Medical Center, Helmholtzstrasse 14, D-89081 Ulm, Germany
| | - Uwe Gbureck
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg, Pleicherwall 2, D-97070 Würzburg, Germany.
| | - Anita Ignatius
- Institute for Orthopedic Research and Biomechanics, Ulm University Medical Center, Helmholtzstrasse 14, D-89081 Ulm, Germany
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Factors That Determine the Adhesive Strength in a Bioinspired Bone Tissue Adhesive. CHEMENGINEERING 2020. [DOI: 10.3390/chemengineering4010019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Phosphoserine-modified cements (PMCs) are a family of wet-field tissue adhesives that bond strongly to bone and biomaterials. The present study evaluated variations in the adhesive strength using a scatter plot, failure mode, and a regression analysis of eleven factors. All single-factor, continuous-variable correlations were poor (R2 < 0.25). The linear regression model explained 31.6% of variation in adhesive strength (R2 = 0.316 p < 0.001), with bond thickness predicting an 8.5% reduction in strength per 100 μm increase. Interestingly, PMC adhesive strength was insensitive to surface roughness (Sa 1.27–2.17 μm) and the unevenness (skew) of the adhesive bond (p > 0.167, 0.171, ANOVA). Bone glued in conditions mimicking the operating theatre (e.g., the rapid fixation and minimal fixation force in fluids) produced comparable adhesive strength in laboratory conditions (2.44 vs. 1.96 MPa, p > 0.986). The failure mode correlated strongly with the adhesive strength; low strength PMCs (<1 MPa) failed cohesively, while high strength (>2 MPa) PMCs failed adhesively. Failure occurred at the interface between the amorphous surface layer and the PMC bulk. PMC bonding is sufficient for clinical application, allowing for a wide tolerance in performance conditions while maintaining a minimal bond strength of 1.5–2 MPa to cortical bone and metal surfaces.
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Kesseli FP, Lauer CS, Baker I, Mirica KA, Van Citters DW. Identification of a calcium phosphoserine coordination network in an adhesive organo-apatitic bone cement system. Acta Biomater 2020; 105:280-289. [PMID: 31945507 PMCID: PMC7134197 DOI: 10.1016/j.actbio.2020.01.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/14/2019] [Accepted: 01/08/2020] [Indexed: 12/22/2022]
Abstract
Calcium phosphate-based bone cements have been widely adopted in both orthopedic and dental applications. Phosphoserine (pSer), which has a natural role in biomineralization, has been identified to possess the functionality to react with calcium phosphate phases, such as tetracalcium phosphate (TTCP) and α-tricalcium phosphate (α-TCP), and form a uniquely adhesive cement. This study investigated the chemical composition and phase evolution of a heterogeneous calcium phosphate (56% TTCP and 15% α-TCP) and pSer cement system with respect to pH. The coordination network of calcium phosphoserine monohydrate was discovered as the predominant crystalline phase of this adhesive apatitic cement system. Furthermore, it was determined that pH has a significant effect on the reaction kinetics of the system, whereby a lower pH tends to accelerate the reaction rate and favor products with lower Ca/P ratios. These findings provide a better understanding of the reaction and products of this adhesive organo-ceramic cement, which can be compositionally tuned for broad applications in the orthopedic and dental spaces. STATEMENT OF SIGNIFICANCE: The application of self-setting calcium phosphate cements (CPCs) in hard tissue regeneration has been a topic of significant research since their introduction to the field 30 years ago. Traditional CPCs, however, are limited by their suboptimal mechanical properties due to their solely inorganic composition. Recently, it was discovered that monomeric phosphoserine (pSer) is capable of serving as a setting reagent for a subset of CPC systems, resulting in an adhesive organo-ceramic composite. Despite its adhesive functionality and biomedical potential, its reaction chemistry and product composition were not well characterized. The present study identifies a calcium phosphoserine coordination network as the primary crystalline phase of this apatitic cement system and further characterizes compositional tunability of the products with respect to pH.
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Affiliation(s)
- Fioleda P Kesseli
- Thayer School of Engineering, Dartmouth College, Hanover, NH, United States.
| | - Caroline S Lauer
- Thayer School of Engineering, Dartmouth College, Hanover, NH, United States
| | - Ian Baker
- Thayer School of Engineering, Dartmouth College, Hanover, NH, United States
| | - Katherine A Mirica
- Thayer School of Engineering, Dartmouth College, Hanover, NH, United States
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Li X, Pujari-Palmer M, Wenner D, Procter P, Insley G, Engqvist H. Adhesive Cements That Bond Soft Tissue Ex Vivo. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2473. [PMID: 31382566 PMCID: PMC6695630 DOI: 10.3390/ma12152473] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/23/2019] [Accepted: 07/24/2019] [Indexed: 01/11/2023]
Abstract
The aim of the present study was to evaluate the soft tissue bond strength of a newly developed, monomeric, biomimetic, tissue adhesive called phosphoserine modified cement (PMC). Two types of PMCs were evaluated using lap shear strength (LSS) testing, on porcine skin: a calcium metasilicate (CS1), and alpha tricalcium phosphate (αTCP) PMC. CS1 PCM bonded strongly to skin, reaching a peak LSS of 84, 132, and 154 KPa after curing for 0.5, 1.5, and 4 h, respectively. Cyanoacrylate and fibrin glues reached an LSS of 207 kPa and 33 kPa, respectively. αTCP PMCs reached a final LSS of ≈110 kPa. In soft tissues, stronger bond strengths were obtained with αTCP PMCs containing large amounts of amino acid (70-90 mol%), in contrast to prior studies in calcified tissues (30-50 mol%). When αTCP particle size was reduced by wet milling, and for CS1 PMCs, the strongest bonding was obtained with mole ratios of 30-50% phosphoserine. While PM-CPCs behave like stiff ceramics after setting, they bond to soft tissues, and warrant further investigation as tissue adhesives, particularly at the interface between hard and soft tissues.
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Affiliation(s)
- Xiuwen Li
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden
| | - Michael Pujari-Palmer
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden
| | - David Wenner
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden
| | - Philip Procter
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden
| | - Gerard Insley
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden
- GPBio Ltd., Unit 4D, Western Business Park, Shannon, V14 RW92 Co. Clare, Ireland
| | - Håkan Engqvist
- Applied Material Science, Department of Engineering, Uppsala University, 75121 Uppsala, Sweden.
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Salgado CL, Mansur AAP, Mansur HS, Monteiro FJM. Fluorescent bionanoprobes based on quantum dot-chitosan–O-phospho-l-serine conjugates for labeling human bone marrow stromal cells. RSC Adv 2014. [DOI: 10.1039/c4ra08247h] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fluorescent biocompatible quantum dots functionalized with chitosan–O-phospho-l-serine nanoconjugates were synthesized and characterized for targeting and labeling human bone marrow stromal cells.
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Affiliation(s)
- Christiane L. Salgado
- INEB
- Instituto Nacional de Engenharia Biomédica
- Porto, Portugal
- FEUP
- Faculdade de Engenharia
| | - Alexandra A. P. Mansur
- Center of Nanoscience, Nanotechnology, and Innovation-CeNano2I
- Department of Metallurgical and Materials Engineering
- Federal University of Minas Gerais
- Brazil
| | - Herman S. Mansur
- Center of Nanoscience, Nanotechnology, and Innovation-CeNano2I
- Department of Metallurgical and Materials Engineering
- Federal University of Minas Gerais
- Brazil
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Ying X, Chen X, Cheng S, Guo X, Chen H, Xu HZ. Phosphoserine promotes osteogenic differentiation of human adipose stromal cells through bone morphogenetic protein signalling. Cell Biol Int 2013; 38:309-17. [PMID: 24155130 DOI: 10.1002/cbin.10203] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Accepted: 10/04/2013] [Indexed: 01/03/2023]
Abstract
Phosphoserine has potential effectiveness as a simple substrate in preparing bone replacement materials, which could enhance bone forming ability. However, there is a need to investigate the independent effect of phosphoserine on osteogenic differentiation of human adipose stem cells (hADSCs). hADSCs were cultured in an osteogenic medium with phosphoserine. Cell proliferation was analysed by CCK8 and osteogenic differentiation was measured by alkaline phosphatase (ALP) activity, von Kossa staining and real time-polymerase chain reaction (RT-PCR). No stimulatory effect of phosphoserine on cell proliferation was noted at Days 1, 4 and 7. Deposition of calcium increased after the addition of phosphoserine. mRNA expression of type I collagen (COL-I), alkaline phosphatase (ALP), osteocalcin (OCN), Osterix, bone morphogenetic protein-2 (BMP-2) and RUNX2 increased markedly with phosphoserine treatment. The BMP-2 antagonist, noggin, and its receptor kinase inhibitors, dorsomorphin and LDN-193189, attenuated phosphoserine-promoted ALP activity. BMP-responsive and Runx2-responsive reporters were activated by phosphoserine treatment. Thus phosphoserine can promote osteogenic differentiation of hADSCs, probably by activating BMP and Runx2 pathways, which could be a promising approach for enhancing osteogenic capacity of cell-based construction in bone tissue engineering.
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Affiliation(s)
- Xiaozhou Ying
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Wenzhou Medical College, Wenzhou, 325000, China
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Tödtmann N, Lode A, Mann R, Mai R, Lauer G, Wieczorek K, Eckelt U. Influence of different modifications of a calcium phosphate cement on resorption and new bone formation: Anin vivostudy in the minipig. J Biomed Mater Res B Appl Biomater 2013; 101:1410-8. [DOI: 10.1002/jbm.b.32960] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 02/28/2013] [Accepted: 03/27/2013] [Indexed: 12/21/2022]
Affiliation(s)
- Ninette Tödtmann
- Department of Oral and Maxillofacial Surgery; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Anja Lode
- Centre for Translational Bone; Joint and Soft Tissue Research; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Romy Mann
- Department of Oral and Maxillofacial Surgery; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Ronald Mai
- Department of Oral and Maxillofacial Surgery; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Günter Lauer
- Department of Oral and Maxillofacial Surgery; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Kathrin Wieczorek
- Institute of Pathology, Medical Faculty Carl Gustav Carus of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
| | - Uwe Eckelt
- Department of Oral and Maxillofacial Surgery; Universitätsklinikum Carl Gustav Carus and Medical Faculty of Technische Universität Dresden; Fetscherstr. 74 D-01307 Dresden Germany
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Xia L, Xu Y, Wei J, Zeng D, Ye D, Liu C, Zhang Z, Jiang X. Maxillary sinus floor elevation using a tissue-engineered bone with rhBMP-2-loaded porous calcium phosphate cement scaffold and bone marrow stromal cells in rabbits. Cells Tissues Organs 2011; 194:481-93. [PMID: 21494013 DOI: 10.1159/000323918] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2010] [Indexed: 01/04/2023] Open
Abstract
The aim of this study was to evaluate the effects of maxillary sinus floor elevation by a tissue-engineered bone complex with recombinant human bone morphogenetic protein-2 (rhBMP-2)-loaded porous calcium phosphate cement (CPC) scaffold and bone marrow stromal cells (bMSCs) in rabbits. bMSCs were cultured and osteogenically induced. The osteoblastic differentiation of expanded bMSCs was detected by alkaline phosphatase activity, and calcium deposits in vitro. Thirty-six rabbits were randomly allocated into week 2, 4 and 8 observation groups. At each time point, 24 maxillary sinus floor elevation surgeries in 12 rabbits were performed bilaterally and randomly implanted by (1) CPC materials alone (group A, n = 6), (2) rhBMP-2/CPC composite materials alone (group B, n = 6), (3) CPC/bMSCs complex (group C, n = 6) and (4) rhBMP-2/CPC/bMSCs complex (group D, n = 6). As for maxillary sinus floor elevation, rhBMP-2-loaded CPC could promote new bone formation as compared to CPC, while addition of bMSCs could further enhance its new bone formation and maturity significantly, as detected by histological findings, and fluorochrome labeling. Our data suggested that rhBMP-2/CPC possessed excellent osteoinductive ability, while combining with bMSCs could further promote new bone formation and maturation in maxillary sinus elevation.
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Affiliation(s)
- Lunguo Xia
- Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, PR China
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Park JW, Kim YJ, Jang JH, An CH. MC3T3-E1 cell differentiation and in vivo bone formation induced by phosphoserine. Biotechnol Lett 2011; 33:1473-80. [PMID: 21344205 DOI: 10.1007/s10529-011-0565-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2010] [Accepted: 02/09/2011] [Indexed: 12/22/2022]
Abstract
Bone formation induced by phosphoserine was investigated in vitro and in vivo using MC3T3-E1 cells and a rabbit calvarial osseous defect model. MC3T3-E1 cells supplemented by phosphoserine displayed two-fold higher alkaline phosphatase activity and mineralization nodule formation, and calvarial defects treated with phosphoserine showed statistically significant new bone formation compared with the control (P < 0.05).
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Affiliation(s)
- Jin-Woo Park
- Department of Periodontology, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.
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