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Guan W, Gao H, Liu Y, Sun S, Li G. Application of magnetism in tissue regeneration: recent progress and future prospects. Regen Biomater 2024; 11:rbae048. [PMID: 38939044 PMCID: PMC11208728 DOI: 10.1093/rb/rbae048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/14/2024] [Accepted: 04/25/2024] [Indexed: 06/29/2024] Open
Abstract
Tissue regeneration is a hot topic in the field of biomedical research in this century. Material composition, surface topology, light, ultrasonic, electric field and magnetic fields (MFs) all have important effects on the regeneration process. Among them, MFs can provide nearly non-invasive signal transmission within biological tissues, and magnetic materials can convert MFs into a series of signals related to biological processes, such as mechanical force, magnetic heat, drug release, etc. By adjusting the MFs and magnetic materials, desired cellular or molecular-level responses can be achieved to promote better tissue regeneration. This review summarizes the definition, classification and latest progress of MFs and magnetic materials in tissue engineering. It also explores the differences and potential applications of MFs in different tissue cells, aiming to connect the applications of magnetism in various subfields of tissue engineering and provide new insights for the use of magnetism in tissue regeneration.
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Affiliation(s)
- Wenchao Guan
- Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
| | - Hongxia Gao
- Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
| | - Yaqiong Liu
- Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
| | - Shaolan Sun
- Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
| | - Guicai Li
- Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong 226001, China
- State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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Rahmati A, Abbasi R, Najafi R, Asnaashari M, Behroozi R, Rezaei-Soufi L, Karkehabadi H. Effect of Low-Level Diode Laser and Red Light-Emitting Diode on Survival and Osteogenic/Odontogenic Differentiation of Human Dental Pulp Stem Cells. Photobiomodul Photomed Laser Surg 2024; 42:306-313. [PMID: 38546858 DOI: 10.1089/photob.2023.0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024] Open
Abstract
Background: This investigation set out to compare the impacts of low-level diode laser (LLDL) and red light-emitting diode (LED) on the survival of human dental pulp stem cells (hDPSCs) and osteogenic/odontogenic differentiation. Methods and materials: In this ex vivo experimental study, the experimental groups underwent the irradiation of LLDL (4 J/cm2 energy density) and red LED in the osteogenic medium. Survival of hDPSCs was assessed after 24 and 48 h (n = 9) using the methyl thiazolyl tetrazolium (MTT) assay. The assessment of osteogenic/odontogenic differentiation was conducted using alizarin red staining (ARS; three repetitions). The investigation of osteogenic and odontogenic gene expression was performed at two time points, specifically 24 and 48 h (n = 12). This analysis was performed utilizing real-time reverse-transcription polymerase chain reaction (RT-PCR). The groups were compared at each time point using SPSS version 24. To analyze the data, the Mann-Whitney U test, analysis of variance, Tukey's test, and t-test were utilized. Results: The MTT assay showed that LLDL significantly decreased the survival of hDPSCs after 48 h, compared with other groups (p < 0.05). The qualitative results of ARS revealed that LLDL and red LED increased the osteogenic differentiation of hDPSCs. LLDL and red LED both upregulated the expression of osteogenic/odontogenic genes, including bone sialoprotein (BSP), alkaline phosphatase (ALP), dentin matrix protein 1 (DMP1), and dentin sialophosphoprotein (DSPP), in hDPSCs. The LLDL group exhibited a higher level of gene upregulation (p < 0.0001). Conclusions: The cell survival of hDPSCs was reduced, despite an increase in osteogenic/odontogenic activity. Clinical relevance: Introduction of noninvasive methods in regenerative endodontic treatments.
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Affiliation(s)
- Afsaneh Rahmati
- Department of Endodontics, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Roshanak Abbasi
- Department of Endodontics, School of Dentistry, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Rezvan Najafi
- Department of Medical Molecular & Genetics, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Asnaashari
- Laser Application in Medical Sciences Research Center, Department of Endodontics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Loghman Rezaei-Soufi
- Department of Operative Dentistry, Dental Research Center, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hamed Karkehabadi
- Department of Endodontics, Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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3
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Nelogi SY, Patil AK, Chowdhary R. Enhancing bone tissue engineering using iron nanoparticles and magnetic fields: A focus on cytomechanics and angiogenesis in the chicken egg chorioallantoic membrane model. J Indian Prosthodont Soc 2024; 24:175-185. [PMID: 38650343 PMCID: PMC11129814 DOI: 10.4103/jips.jips_440_23] [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: 09/04/2023] [Revised: 02/22/2024] [Accepted: 03/03/2024] [Indexed: 04/25/2024] Open
Abstract
AIM To evaluate the potential of iron nanoparticles (FeNPs) in conjunction with magnetic fields (MFs) to enhance osteoblast cytomechanics, promote cell homing, bone development activity, and antibacterial capabilities, and to assess their in vivo angiogenic viability using the chicken egg chorioallantoic membrane (CAM) model. SETTINGS AND DESIGN Experimental study conducted in a laboratory setting to investigate the effects of FeNPs and MFs on osteoblast cells and angiogenesis using a custom titanium (Ti) substrate coated with FeNPs. MATERIALS AND METHODS A custom titanium (Ti) was coated with FeNPs. Evaluations were conducted to analyze the antibacterial properties, cell adhesion, durability, physical characteristics, and nanoparticle absorption associated with FeNPs. Cell physical characteristics were assessed using protein markers, and microscopy, CAM model, was used to quantify blood vessel formation and morphology to assess the FeNP-coated Ti's angiogenic potential. This in vivo study provided critical insights into tissue response and regenerative properties for biomedical applications. STATISTICAL ANALYSIS Statistical analysis was performed using appropriate tests to compare experimental groups and controls. Significance was determined at P < 0.05. RESULTS FeNPs and MFs notably improved osteoblast cell mechanical properties facilitated the growth and formation of new blood vessels and bone tissue and promoted cell migration to targeted sites. In the group treated with FeNPs and exposed to MFs, there was a significant increase in vessel percentage area (76.03%) compared to control groups (58.11%), along with enhanced mineralization and robust antibacterial effects (P < 0.05). CONCLUSION The study highlights the promising potential of FeNPs in fostering the growth of new blood vessels, promoting the formation of bone tissue, and facilitating targeted cell migration. These findings underscore the importance of further investigating the mechanical traits of FeNPs, as they could significantly advance the development of effective bone tissue engineering techniques, ultimately enhancing clinical outcomes in the field.
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Affiliation(s)
- Santosh Yamanappa Nelogi
- Department of Prosthodontics, KLEVK Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belgavi, Karnataka, India
| | - Anand Kumar Patil
- Department of Prosthodontics, KLEVK Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belgavi, Karnataka, India
| | - Ramesh Chowdhary
- Department of Prosthodontics, Siddhartha Institute of Dental Sciences, Tumakuru, Karnataka, India
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Xie W, Song C, Guo R, Zhang X. Static magnetic fields in regenerative medicine. APL Bioeng 2024; 8:011503. [PMID: 38486824 PMCID: PMC10939708 DOI: 10.1063/5.0191803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
All organisms on Earth live in the weak but ubiquitous geomagnetic field. Human beings are also exposed to magnetic fields generated by multiple sources, ranging from permanent magnets to magnetic resonance imaging (MRI) in hospitals. It has been shown that different magnetic fields can generate various effects on different tissues and cells. Among them, stem cells appear to be one of the most sensitive cell types to magnetic fields, which are the fundamental units of regenerative therapies. In this review, we focus on the bioeffects of static magnetic fields (SMFs), which are related to regenerative medicine. Most reports in the literature focus on the influence of SMF on bone regeneration, wound healing, and stem cell production. Multiple aspects of the cellular events, including gene expression, cell signaling pathways, reactive oxygen species, inflammation, and cytoskeleton, have been shown to be affected by SMFs. Although no consensus yet, current evidence indicates that moderate and high SMFs could serve as a promising physical tool to promote bone regeneration, wound healing, neural differentiation, and dental regeneration. All in vivo studies of SMFs on bone regeneration and wound healing have shown beneficial effects, which unravel the great potential of SMFs in these aspects. More mechanistic studies, magnetic field parameter optimization, and clinical investigations on human bodies will be imperative for the successful clinical applications of SMFs in regenerative medicine.
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Affiliation(s)
| | - Chao Song
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Ruowen Guo
- High Magnetic Field Laboratory, Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, HFIPS, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Xin Zhang
- Author to whom correspondence should be addressed:. Tel.: 86–551-65593356
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Han J, Ma Q, An Y, Wu F, Zhao Y, Wu G, Wang J. The current status of stimuli-responsive nanotechnologies on orthopedic titanium implant surfaces. J Nanobiotechnology 2023; 21:277. [PMID: 37596638 PMCID: PMC10439657 DOI: 10.1186/s12951-023-02017-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/21/2023] [Indexed: 08/20/2023] Open
Abstract
With the continuous innovation and breakthrough of nanomedical technology, stimuli-responsive nanotechnology has been gradually applied to the surface modification of titanium implants to achieve brilliant antibacterial activity and promoted osteogenesis. Regarding to the different physiological and pathological microenvironment around implants before and after surgery, these surface nanomodifications are designed to respond to different stimuli and environmental changes in a timely, efficient, and specific way/manner. Here, we focus on the materials related to stimuli-responsive nanotechnology on titanium implant surface modification, including metals and their compounds, polymer materials and other materials. In addition, the mechanism of different response types is introduced according to different activation stimuli, including magnetic, electrical, photic, radio frequency and ultrasonic stimuli, pH and enzymatic stimuli (the internal stimuli). Meanwhile, the associated functions, potential applications and developing prospect were discussion.
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Affiliation(s)
- Jingyuan Han
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Qianli Ma
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Geitmyrsveien, Oslo, 710455 Norway
| | - Yanxin An
- Department of General Surgery, The First Affiliated Hospital of Xi’an Medical University, Xi’an, China
| | - Fan Wu
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Yuqing Zhao
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Gaoyi Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application, Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, 154007 China
| | - Jing Wang
- Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Oral Implants, School of Stomatology, The Fourth Military Medical University, Xi’an, 710032 China
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6
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Di Gioia S, Milillo L, Hossain MN, Carbone A, Petruzzi M, Conese M. Blood Clotting Dissolution in the Presence of a Magnetic Field and Preliminary Study with MG63 Osteoblast-like Cells-Further Developments for Guided Bone Regeneration? Bioengineering (Basel) 2023; 10:888. [PMID: 37627773 PMCID: PMC10451701 DOI: 10.3390/bioengineering10080888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND The influence of a magnetic field on the activation of bone cells and remodelling of alveolar bone is known to incite bone regeneration. Guided Bone Regeneration (GBR) aims to develop biomimetic scaffolds to allow for the functioning of the barrier and the precise succession of wound healing steps, including haemostasis. The effect of a magnetic field on blood clot dissolution has not been studied yet. METHODS We conducted a methodological study on the clot stability in the presence of a static magnetic field (SMF). Preformed whole blood (WB) clots were treated with either a broad proteolytic enzyme (trypsin) or a specific fibrinolytic agent, i.e., tissue-type plasminogen activator (t-PA). MG63 osteoblast-like cells were added to preformed WB clots to assess cell proliferation. RESULTS After having experienced a number of clotting and dissolution protocols, we obtained clot stability exerted by SMF when tissue factor (for clotting) and t-PA + plasminogen (for fibrinolysis) were used. WB clots allowed osteoblast-like cells to survive and proliferate, however no obvious effects of the magnetic field were noted. CONCLUSIONS Paramagnetic properties of erythrocytes may have influenced the reduction in clot dissolution. Future studies are warranted to fully exploit the combination of magnetic forces, WB clot and cells in GBR applied to orthodontics and prosthodontics.
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Affiliation(s)
- Sante Di Gioia
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.N.H.); (A.C.)
| | | | - Md Niamat Hossain
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.N.H.); (A.C.)
| | - Annalucia Carbone
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.N.H.); (A.C.)
| | - Massimo Petruzzi
- Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, 70126 Bari, Italy;
| | - Massimo Conese
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.N.H.); (A.C.)
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7
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Tong F, Cheng H, Guo J, Wu J, Ge H, Li Z. MiR-466d Targeting MMP13 Promotes the Differentiation of Osteoblasts Exposed to a Static Magnetic Field. BIOTECHNOL BIOPROC E 2023. [DOI: 10.1007/s12257-022-0231-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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8
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Zhang G, Zhen C, Yang J, Zhang Z, Wu Y, Che J, Shang P. 1–2 T static magnetic field combined with Ferumoxytol prevent unloading-induced bone loss by regulating iron metabolism in osteoclastogenesis. J Orthop Translat 2023; 38:126-140. [DOI: 10.1016/j.jot.2022.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
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9
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Yang J, Feng Y, Li Q, Zeng Y. Evidence of the static magnetic field effects on bone-related diseases and bone cells. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2023; 177:168-180. [PMID: 36462638 DOI: 10.1016/j.pbiomolbio.2022.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022]
Abstract
Static magnetic fields (SMFs), magnetic fields with constant intensity and orientation, have been extensively studied in the field of bone biology both fundamentally and clinically as a non-invasive physical factor. A large number of animal experiments and clinical studies have shown that SMFs have effective therapeutic effects on bone-related diseases such as non-healing fractures, bone non-union of bone implants, osteoporosis and osteoarthritis. The maintenance of bone health in adults depends on the basic functions of bone cells, such as bone formation by osteoblasts and bone resorption by osteoclasts. Numerous studies have revealed that SMFs can regulate the proliferation, differentiation, and function of bone tissue cells, including bone marrow mesenchymal stem cells (BMSCs), osteoblasts, bone marrow monocytes (BMMs), osteoclasts, and osteocytes. In this paper, the effects of SMFs on bone-related diseases and bone tissue cells are reviewed from both in vivo studies and in vitro studies, and the possible mechanisms are analyzed. In addition, some challenges that need to be further addressed in the research of SMF and bone are also discussed.
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Affiliation(s)
- Jiancheng Yang
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yan Feng
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Qingmei Li
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yuhong Zeng
- Department of Osteoporosis, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China.
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The effect of external magnetic field on osteogenic and antimicrobial behaviour of surface-functionalized custom titanium chamber with iron nanoparticles. A preliminary research. Odontology 2022:10.1007/s10266-022-00769-7. [DOI: 10.1007/s10266-022-00769-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 11/15/2022] [Indexed: 11/30/2022]
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11
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Yang J, Wu J, Guo Z, Zhang G, Zhang H. Iron Oxide Nanoparticles Combined with Static Magnetic Fields in Bone Remodeling. Cells 2022; 11:cells11203298. [PMID: 36291164 PMCID: PMC9600888 DOI: 10.3390/cells11203298] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 10/18/2022] [Indexed: 11/27/2022] Open
Abstract
Iron oxide nanoparticles (IONPs) are extensively used in bone-related studies as biomaterials due to their unique magnetic properties and good biocompatibility. Through endocytosis, IONPs enter the cell where they promote osteogenic differentiation and inhibit osteoclastogenesis. Static magnetic fields (SMFs) were also found to enhance osteoblast differentiation and hinder osteoclastic differentiation. Once IONPs are exposed to an SMF, they become rapidly magnetized. IONPs and SMFs work together to synergistically enhance the effectiveness of their individual effects on the differentiation and function of osteoblasts and osteoclasts. This article reviewed the individual and combined effects of different types of IONPs and different intensities of SMFs on bone remodeling. We also discussed the mechanism underlying the synergistic effects of IONPs and SMFs on bone remodeling.
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Affiliation(s)
- Jiancheng Yang
- Department of Spine Surgery, People’s Hospital of Longhua, Affiliated Hospital of Southern Medical University, Shenzhen 518109, China
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an 710072, China
| | - Jiawen Wu
- Department of Spine Surgery, People’s Hospital of Longhua, Affiliated Hospital of Southern Medical University, Shenzhen 518109, China
| | - Zengfeng Guo
- Department of Spine Surgery, People’s Hospital of Longhua, Affiliated Hospital of Southern Medical University, Shenzhen 518109, China
| | - Gejing Zhang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an 710072, China
| | - Hao Zhang
- Department of Spine Surgery, People’s Hospital of Longhua, Affiliated Hospital of Southern Medical University, Shenzhen 518109, China
- Correspondence: ; Tel.: +86-13823352822
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Del Bianco L, Spizzo F, Yang Y, Greco G, Gatto ML, Barucca G, Pugno NM, Motta A. Silk fibroin films with embedded magnetic nanoparticles: evaluation of the magneto-mechanical stimulation effect on osteogenic differentiation of stem cells. NANOSCALE 2022; 14:14558-14574. [PMID: 36149382 DOI: 10.1039/d2nr03167a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We report about a biomaterial in the form of film ∼10 μm thick, consisting of a silk fibroin matrix with embedded iron oxide superparamagnetic nanoparticles, for prospective applications as bioactive coating in regenerative medicine. Films with different load of magnetic nanoparticles are produced (nanoparticles/silk fibroin nominal ratio = 5, 0.5 and 0 wt%) and the structural, mechanical and magnetic properties are studied. The nanoparticles form aggregates in the silk fibroin matrix and the film stiffness, as tested by nanoindentation, is spatially inhomogeneous, but the protein structure is not altered. In vitro biological tests are carried out on human bone marrow-derived mesenchymal stem cells cultured on the films up to 21 days, with and without an applied static uniform magnetic field. The sample with the highest nanoparticles/silk fibroin ratio shows the best performance in terms of cell proliferation and adhesion. Moreover, it promotes a faster and better osteogenic differentiation, particularly under magnetic field, as indicated by the gene expression level of typical osteogenic markers. These findings are explained in light of the results of the physical characterization, combined with numerical calculations. It is established that the applied magnetic field triggers a virtuous magneto-mechanical mechanism in which dipolar magnetic forces between the nanoparticle aggregates give rise to a spatial distribution of mechanical stresses in the silk fibroin matrix. The film with the largest nanoparticle load, under cell culture conditions (i.e. in aqueous environment), undergoes matrix deformations large enough to be sensed by the seeded cells as mechanical stimuli favoring the osteogenic differentiation.
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Affiliation(s)
- Lucia Del Bianco
- Department of Physics and Earth Science, University of Ferrara, I-44122 Ferrara, Italy.
| | - Federico Spizzo
- Department of Physics and Earth Science, University of Ferrara, I-44122 Ferrara, Italy.
| | - Yuejiao Yang
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, I-38123 Trento, Italy.
| | - Gabriele Greco
- Laboratory for Bioinspired, Bionic, Nano, Meta, Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, I-38123 Trento, Italy
| | - Maria Laura Gatto
- Department SIMAU, Università Politecnica delle Marche, I-60131 Ancona, Italy
| | - Gianni Barucca
- Department SIMAU, Università Politecnica delle Marche, I-60131 Ancona, Italy
| | - Nicola M Pugno
- Laboratory for Bioinspired, Bionic, Nano, Meta, Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, I-38123 Trento, Italy
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
| | - Antonella Motta
- BIOtech Research Center, Department of Industrial Engineering, University of Trento, I-38123 Trento, Italy.
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Na J, Zhang L, Zheng L, Jiang J, Shi Q, Li C, Fan Y. Static magnetic field regulates proliferation, migration, and differentiation of human dental pulp stem cells by MAPK pathway. Cytotechnology 2022; 74:395-405. [DOI: 10.1007/s10616-022-00533-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/29/2022] [Indexed: 11/03/2022] Open
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14
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Wang J, Zhang Y, Sun J, Jiao Z. Controllable fabrication of multi‐modal porous
PLGA
scaffolds with different sizes of
SPIONs
using supercritical
CO
2
foaming. J Appl Polym Sci 2022. [DOI: 10.1002/app.52287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jinjing Wang
- School of Energy and Environment Southeast University Nanjing Jiangsu China
- Jiangsu Key Laboratory for Biomaterials and Devices Nanjing Jiangsu China
- Joint Research Institute of Southeast University and Monash University Southeast University Suzhou Jiangsu China
| | - Yi Zhang
- School of Energy and Environment Southeast University Nanjing Jiangsu China
- Jiangsu Key Laboratory for Biomaterials and Devices Nanjing Jiangsu China
- Joint Research Institute of Southeast University and Monash University Southeast University Suzhou Jiangsu China
| | - Jianfei Sun
- Jiangsu Key Laboratory for Biomaterials and Devices Nanjing Jiangsu China
- Joint Research Institute of Southeast University and Monash University Southeast University Suzhou Jiangsu China
| | - Zhen Jiao
- Jiangsu Key Laboratory for Biomaterials and Devices Nanjing Jiangsu China
- Joint Research Institute of Southeast University and Monash University Southeast University Suzhou Jiangsu China
- School of Chemistry and Chemical Engineering Southeast University Nanjing Jiangsu China
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Lew WZ, Feng SW, Lee SY, Huang HM. The Review of Bioeffects of Static Magnetic Fields on the Oral Tissue-Derived Cells and Its Application in Regenerative Medicine. Cells 2021; 10:cells10102662. [PMID: 34685642 PMCID: PMC8534790 DOI: 10.3390/cells10102662] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 12/13/2022] Open
Abstract
Magnets have been widely used in dentistry for orthodontic tooth movement and denture retention. Nevertheless, criticisms have arisen regarding the biosafety of static magnetic field (SMF) effects on surrounding tissues. Various controversial pieces of evidence have been discussed regarding SMFs on cellular biophysics, but little consensus has been reached, especially in the field of dentistry. Thus, the present paper will first review the safe use of SMFs in the oral cavity and as an additive therapy to orthodontic tooth movement and periodontium regeneration. Then, studies regarding SMF-incorporated implants are reviewed to investigate the advantageous effects of SMFs on osseointegration and the underlying mechanisms. Finally, a review of current developments in dentistry surrounding the combination of magnetic nanoparticles (MNPs) and SMFs is made to clarify potential future clinical applications.
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Affiliation(s)
- Wei-Zhen Lew
- School of Dentistry, Collage of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (W.-Z.L.); (S.-W.F.); (S.-Y.L.)
| | - Sheng-Wei Feng
- School of Dentistry, Collage of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (W.-Z.L.); (S.-W.F.); (S.-Y.L.)
- Department of Dentistry, Division of Prosthodontics, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Sheng-Yang Lee
- School of Dentistry, Collage of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (W.-Z.L.); (S.-W.F.); (S.-Y.L.)
| | - Haw-Ming Huang
- School of Dentistry, Collage of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (W.-Z.L.); (S.-W.F.); (S.-Y.L.)
- Graduate Institute of Biomedical Optomechatronics, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan
- Correspondence:
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16
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He Y, Chen G, Li Y, Li Y, Yi C, Zhang X, Li H, Zeng B, Wang C, Xie W, Zhao W, Yu D. Effect of magnetic graphene oxide on cellular behaviors and osteogenesis under a moderate static magnetic field. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 37:102435. [PMID: 34186257 DOI: 10.1016/j.nano.2021.102435] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 05/13/2021] [Accepted: 06/01/2021] [Indexed: 12/23/2022]
Abstract
The biological behaviors of magnetic graphene oxide (MGO) in a static magnetic field (SMF) are unknown. The current study is to investigate the cellular behaviors, osteogenesis and the mechanism in BMSCs treated with MGO combined with an SMF. Results showed that the synthetic MGO particles were bio-compatible and could significantly improve the osteogenesis of BMSCs under SMFs, as verified by elevated alkaline phosphatase activity, mineralized nodule formation, and expressions of mRNA and protein levels. Under SMF at the same intensity, the addition of graphene oxide to Fe3O4 could increase the osteogenic ability of BMSCs. The Wnt/β-catenin pathway was indicated to be related to the MGO-driven osteogenic behavior of the BMSCs under SMF. Taken together, our findings suggested that MGO under an SMF could promote osteogenesis in BMSCs through the Wnt/β-catenin pathway and hence should attract more attention for practical applications in bone tissue regeneration.
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Affiliation(s)
- Yi He
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Guanhui Chen
- Department of Stomatology, the Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Ye Li
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yiming Li
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chen Yi
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xiliu Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Hongyu Li
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Binghui Zeng
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Chao Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Weihong Xie
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Wei Zhao
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China.
| | - Dongsheng Yu
- Hospital of Stomatology, Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China.
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17
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Shan Y, Han H, Zhu J, Yan X, Zhang X, Long H, Jian F, Li X, Wang Y, Lai W. The Effects of Static Magnetic Field on Orthodontic Tooth Movement in Mice. Bioelectromagnetics 2021; 42:398-406. [PMID: 34033679 DOI: 10.1002/bem.22346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/13/2021] [Accepted: 04/23/2021] [Indexed: 02/05/2023]
Abstract
The application of static magnetic field (SMF) has been considered an effective and noninvasive method to accelerate orthodontic tooth movement. The objective of this study was to explore the effects of SMF on orthodontic tooth movement in mice. A total of 105 Balb/c mice (body mass: 25-30 g) were divided into experimental group (SMF + force, 48), control group (force only, 48), and blank group (neither SMF nor force, 9). After the placement of orthodontic appliances, the experimental group was exposed to the SMF environment generated by Neodymium-iron-boron (NdFeB) magnets with an intensity of 20-204 mT. At 1, 3, 7, 14, 21, and 28 days after appliance insertion, eight animals in both experimental and control groups were sacrificed and the left maxillae were dissected to measure the distance of tooth movement, respectively. Meanwhile, the width of periodontal ligament (PDL), length of hyalinized zone, and the number of osteoclasts were evaluated by hematoxylin-eosin and tartrate-resistant acid phosphatase staining. We finally found that the experimental group demonstrated an enhanced rate and greater cumulative amount of tooth movement than the control group (0.2887 ± 0.0041 mm vs. 0.2114 ± 0.0089 mm, P < 0.05). On Days 7, 14, and 28, the experimental group also displayed a significantly greater width of PDL. Earlier formation and removal of the hyalinized zone, and significantly more osteoclasts were observed in the experimental group as well. The results suggested that SMF may be a promising nonsurgical intervention to accelerate orthodontic tooth movement. © 2021 Bioelectromagnetics Society.
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Affiliation(s)
- Yue Shan
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Han Han
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jingyi Zhu
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xinyu Yan
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaoqi Zhang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Hu Long
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Fan Jian
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaolong Li
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yan Wang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Wenli Lai
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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18
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Yang J, Zhou S, Lv H, Wei M, Fang Y, Shang P. Static magnetic field of 0.2-0.4 T promotes the recovery of hindlimb unloading-induced bone loss in mice. Int J Radiat Biol 2021; 97:746-754. [PMID: 33720796 DOI: 10.1080/09553002.2021.1900944] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 01/28/2021] [Accepted: 02/25/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Bone loss is one of the most serious medical problem associated with prolonged weightlessness in long-term spaceflight mission. Skeletal reloading after prolonged spaceflight have indicated incomplete recovery of lost bone, which may lead to an increased risk of fractures in astronauts when returning to Earth. Substantial studies have revealed the capacity of static magnetic fields (SMFs) on treating various bone disorders, whereas it is unknown whether SMFs have the potential regulatory effects on bone quality in unloaded mice during unloading. This study was conducted to investigate the potential effects of whole-body SMF exposure with 0.2-0.4 T on the recovery of unloading-induced bone loss. MATERIALS AND METHODS Eight-week-old male C57BL/6J mice were subjected to hindlimb unloading (HLU) for 4 weeks, following the mice were reloaded for 4 weeks under geomagnetic field (GMF) and SMF of 0.2-0.4 T. Bone quality indexes, including bone mineral density (BMD) and bone mineral content (BMC), bone microarchitecture, and bone mechanical properties were examined by the measurement of dual energy X-ray absorptiometry (DEXA), micro-computed tomography (Micro-CT), and 3-point bending. Bone turnover was evaluated by bone histomorphometric and serum biochemical assay. RESULTS We found that SMF exposure for 4 weeks significantly promoted the recovery in HLU-induced decrease of BMD and BMC, deterioration of bone microarchitecture, and reduction of bone strength. The results from bone turnover determination revealed that SMF exposure for 4 weeks induced lower osteoclast number of trabecular bone and serum TRAP-5b levels in reloaded mice, whereas SMF showed no significant alteration in skeletal osteoblast number and serum osteocalcin levels. CONCLUSIONS Together, our findings suggest that SMF of 0.2-0.4 T facilitated the recovery of unloading-induced bone loss by inhibiting the increase of bone resorption in reloaded mice, and indicate that SMF might become a promising biophysical countermeasure for maintaining bone health in astronauts after landing.
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Affiliation(s)
- Jiancheng Yang
- Department of Spine Surgery, People's Hospital of Longhua, Affiliated Hospital of Southern Medical University, Shenzhen, China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Shaojie Zhou
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Huanhuan Lv
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Min Wei
- Zhejiang Heye Health Technology Co., Ltd, Anji, China
| | - Yanwen Fang
- Zhejiang Heye Health Technology Co., Ltd, Anji, China
| | - Peng Shang
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, China
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
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19
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Okada R, Yamato K, Kawakami M, Kodama J, Kushioka J, Tateiwa D, Ukon Y, Zeynep B, Ishimoto T, Nakano T, Yoshikawa H, Kaito T. Low magnetic field promotes recombinant human BMP-2-induced bone formation and influences orientation of trabeculae and bone marrow-derived stromal cells. Bone Rep 2021; 14:100757. [PMID: 33681430 PMCID: PMC7910497 DOI: 10.1016/j.bonr.2021.100757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 01/16/2021] [Accepted: 02/17/2021] [Indexed: 11/01/2022] Open
Abstract
Effects of high magnetic fields [MFs, ≥ 1 T (T)] on osteoblastic differentiation and the orientation of cells or matrix proteins have been reported. However, the effect of low MFs (< 1 T) on the orientation of bone formation is not well known. This study was performed to verify the effects of low MFs on osteoblastic differentiation, bone formation, and orientation of both cells and newly formed bone. An apparatus was prepared with two magnets (190 mT) aligned in parallel to generate a parallel MF. In vitro, bone marrow-derived stromal cells of rats were used to assess the effects of low MFs on cell orientation, osteoblastic differentiation, and mineralization. A bone morphogenetic protein (BMP)-2-induced ectopic bone model was used to elucidate the effect of low MFs on microstructural indices, trabecula orientation, and the apatite c-axis orientation of newly formed bone. Low MFs resulted in an increased ratio of cells oriented perpendicular to the direction of the MF and promoted osteoblastic differentiation in vitro. Moreover, in vivo analysis demonstrated that low MFs promoted bone formation and changed the orientation of trabeculae and apatite crystal in a direction perpendicular to the MF. These changes led to an increase in the mechanical strength of rhBMP-2-induced bone. These results suggest that the application of low MFs has potential to facilitate the regeneration of bone with sufficient mechanical strength by controlling the orientation of newly formed bone.
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Key Words
- ALP, alkaline phosphatase
- BMD, bone mineral density
- BMDCs, bone marrow derived stromal cells
- BV, bone volume
- Bone marrow-derived stromal cells
- COL1a1, collagen type1 a1
- FFT, fast Fourier transform
- GFP, green fluorescent protein
- MF, magnetic field
- Magnetic field
- Mechanical strength
- OCN, osteocalcin
- OPN, osteopontin
- OSX, osterix
- Orientation intensity
- Osteoblastic differentiation
- PBS, phosphate-buffered saline
- PEMF, pulsed electromagnetic field
- ROI, region of interest
- RT-PCR, reverse transcription polymerase chain reaction
- RUNX2, runt-related transcription factor 2
- micro-CT, micro-computed tomography
- rhBMP, recombinant human bone morphogenetic protein
- μXRD, microbeam X-ray diffractometer
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Affiliation(s)
- Rintaro Okada
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kai Yamato
- Department of Research Institute, PIP Corporation, Ibaraki, Osaka, Japan
| | - Minoru Kawakami
- Department of Research Institute, PIP Corporation, Ibaraki, Osaka, Japan
| | - Joe Kodama
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Junichi Kushioka
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Daisuke Tateiwa
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Yuichiro Ukon
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Bal Zeynep
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Takuya Ishimoto
- Division of Materials and Manufacturing Science, Osaka University Graduate School of Engineering, Suita, Osaka, Japan
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Osaka University Graduate School of Engineering, Suita, Osaka, Japan
| | - Hideki Yoshikawa
- Department of Orthopedic Surgery, Toyonaka Municipal Hospital, Toyonaka, Osaka, Japan
| | - Takashi Kaito
- Department of Orthopedic Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
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20
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Li X, Wu J, Li D, Zou Q, Man Y, Zou L, Li W. Pro-osteogenesis and in vivo tracking investigation of a dental implantation system comprising novel mTi implant and HYH-Fe particles. Bioact Mater 2021; 6:2658-2666. [PMID: 33665498 PMCID: PMC7890097 DOI: 10.1016/j.bioactmat.2021.01.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/19/2021] [Accepted: 01/30/2021] [Indexed: 02/05/2023] Open
Abstract
Insufficient early osteogenesis seriously affects the later stage osteogenic quality and osseointegration of dental implants. To promote early osteogenesis, we first designed a Ti dental implant with a built-in magnet (mTi) to produce a local static magnetic field (SMF). Then, a dental implantation system comprising the mTi implant and the superparamagnetic hydroxyapatite (HA:Yb/Ho-Fe, named HYH-Fe) particles was implanted into the alveolar bone of beagles. The results showed that the mTi + HYH-Fe group displayed better early osteogenesis and later stage osseointegration than the Ti + HA and mTi + HA groups. A combination of the local SMF (mTi) and superparamagnetic HYH-Fe particles had a positive effect on the pro-osteogenesis of Ti implants. The results also indicated that week 10 could be adopted as the key time point to evaluate the early osteogenic effect of the mTi + HYH-Fe implantation system, which would be a promising prospect for promotion of osteogenesis, in vivo tracking investigation of material-bone relationships, and clinical applications.
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Affiliation(s)
- Xiyu Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Juan Wu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Danxue Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Qin Zou
- Analytical and Testing Center, Sichuan University, Chengdu, 610064, China
| | - Yi Man
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ling Zou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Wei Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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21
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Lu M, Chen H, Yuan B, Zhou Y, Min L, Xiao Z, Yang X, Zhu X, Tu C, Zhang X. The morphological effect of nanostructured hydroxyapatite coatings on the osteoinduction and osteogenic capacity of porous titanium. NANOSCALE 2020; 12:24085-24099. [PMID: 33241829 DOI: 10.1039/d0nr06306a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Weak osteogenic activity affects the long-term fixation and lifespan of titanium (Ti) implants. Surface modification along with a built-in porous structure is a highly considerable approach to improve the osteoinduction and osseointegration capacity of Ti. Herein, the osteoinduction and osteogenic activities of electrochemically deposited (ED) nanoplate-like, nanorod-like and nanoneedle-like hydroxyapatite (HA) coatings (named EDHA-P, EDHA-R, and EDHA-N, respectively) were evaluated in vitro and in vivo by comparison with those of acid/alkali (AA) treatment. The results revealed that the apatite forming ability of all nanostructured EDHA coatings was excellent, and only 12 h of soaking in SBF was needed to induce a complete layer of apatite. More serum proteins adsorbed on EDHA-P than others. In cellular experiments, different from those on EDHA-R and EDHA-N, the cells on EDHA-P presented a polygonal shape with lamellipodia extension, and thus exhibited a relatively larger spreading area. Furthermore, EDHA-P was more favorable for the enhancement of the proliferation and ALP activity of BMSCs, and the up-regulation of OPN gene expression. Based on the good biological performance in vitro, EDHA-P was selected to further evaluate its osteoinduction and osteogenic activities in vivo by comparison with AA treatment. Interestingly, a greater ability of ectopic osteoinduction was observed in the EDHA-P group compared to that in the AA group. At the osseous site, EDHA-P promoted more bone on/ingrowth, and had a higher area percentage of newly formed bone in the bone-implant interface and inner pores of the implants than in the AA group. Thus, a nanoplate-like HA coating has good potential in improving the osteoinductivity and osteogenic activity of porous Ti implants in clinical applications.
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Affiliation(s)
- Minxun Lu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.
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22
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Chang CY, Lew WZ, Feng SW, Wu CL, Wang HH, Hsieh SC, Huang HM. Static magnetic field-enhanced osteogenic differentiation of human umbilical cord-derived mesenchymal stem cells via matrix vesicle secretion. Int J Radiat Biol 2020; 96:1207-1217. [PMID: 32602413 DOI: 10.1080/09553002.2020.1787545] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
METHODS In methodology, WJMSCs were treated with a 0.4-T SMF. The cell viability was tested using the MTT assay. For the osteogenic analysis, the alkaline phosphatase activity assay and alizarin red S staining were performed. The osteogenic-related gene expression of ALP, BMP-2, and Runx2 was examined using real-time polymerase chain reaction. Scanning electron microscopy combined with energy-dispersive X-ray spectroscopy was used to analyze matrix vesicle secretion. RESULTS The cell viability showed no significant difference between the SMF-treated group and the sham-exposed cells. However, the SMF-treated group exhibited significantly more mineralized nodule formation and higher ALP activity than their control counterparts (p < .05). The expressions of osteogenic-related markers, ALP, BMP-2, and Runx2, were also significantly higher in the SMF-treated WJMSCs. The scanning electron microscopy results showed much more matrix vesicle secretion in the SMF-treated cells than in the sham-treated cells. A mineralized sheath was noted in the SMF-treated cells, along with a sporadic accumulation of spherical mineralized deposits on the cell surface. CONCLUSIONS The results suggest that 0.4-T SMF treatment enhances the osteogenesis of WJMSCs at the early-to-middle stage of osteogenic differentiation by increasing the matrix vesicle secretion and mineralization.
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Affiliation(s)
- Ching-Yi Chang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Endodontics, Department of Dentistry, Taipei Municipal Wanfang Hospital, Taipei, Taiwan.,Department of Dentistry, En Chu Kong Hospital, New Taipei City, Taiwan
| | - Wei-Zhen Lew
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Sheng-Wei Feng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chung-Lung Wu
- Department of Dentistry, Cathay General Hospital, Taipei, Taiwan
| | - Hsin-Hui Wang
- Division of Endodontics, Department of Dentistry, Taipei Municipal Wanfang Hospital, Taipei, Taiwan
| | - Sung-Chih Hsieh
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Endodontics, Department of Dentistry, Taipei Municipal Wanfang Hospital, Taipei, Taiwan
| | - Haw-Ming Huang
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Biomedical Optomechatronics, Taipei Medical University, Taipei, Taiwan
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23
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Ruan Y, Kato H, Taguchi Y, Yamauchi N, Umeda M. Irradiation by high-intensity red light-emitting diode enhances human bone marrow mesenchymal stem cells osteogenic differentiation and mineralization through Wnt/β-catenin signaling pathway. Lasers Med Sci 2020; 36:55-65. [PMID: 32588268 DOI: 10.1007/s10103-020-03002-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 03/25/2020] [Indexed: 01/15/2023]
Abstract
Photobiomodulation therapy (PBMT) using a light-emitting diode (LED) has been employed for various photomedicine studies. The aim of this study was to determine the effects of a high-intensity red LED on the proliferation and osteogenic differentiation of human bone marrow mesenchymal stem cells (BMSCs) and the related mechanism. BMSCs were subjected to high-intensity red LED (LZ1-00R205 Deep Red LED) irradiations for 0 to 40 s with energy densities ranging from 0 to 8 J/cm2. The distance from the LED to the cell layer was 40 mm. The spot size on the target was 4 cm2. Cell proliferation was measured at 3, 24, 48, and 72 h. The effects of LED irradiation on osteogenic differentiation and mineralization were examined with a particular focus on the Wnt/β-catenin signaling pathway. The high-intensity red LED irradiations did not alter BMSC proliferation after 72 h. LED exposure of 6 J/cm2 (30 s) led to significant enhancements of osteogenic differentiation and mineralization. Additionally, the high-intensity LED irradiation induced activation of Wnt/β-catenin. The effects of the high-intensity LED irradiation on BMSC osteogenic differentiation and mineralization were suppressed by treatment with the Wnt/β-catenin inhibitor XAV939. P < 0.05 was considered significant. The results indicate that high-intensity red LED irradiation increases BMSC osteogenic differentiation and mineralization via Wnt/β-catenin activation. Therefore, short duration irradiation with a portable high-intensity LED may be used as a potential approach in hard tissue regeneration therapy.
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Affiliation(s)
- Yaru Ruan
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Hirohito Kato
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Yoichiro Taguchi
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan.
| | - Nobuhiro Yamauchi
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Makoto Umeda
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
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24
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Li W, Zhao S, He W, Zhang M, Li S, Xu Y. Static magnetic fields accelerate osteogenesis by regulating FLRT/BMP pathway. Biochem Biophys Res Commun 2020; 527:83-89. [PMID: 32446396 DOI: 10.1016/j.bbrc.2020.04.090] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 04/03/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Static magnetic fields (SMF) have been proved to enhance osteogenic differentiation in mesenchymal stem cells (MSCs). However, the effect of SMF on mandibular condylar chondrocytes (MCCs) are less investigated, which contributes to the vertical formation of mandible. The purpose of the present study was to identify whether SMF accelerate the osteogenesis on mature condylar cartilage and explore the potential regulatory mechanism. METHODS In this study, we presented a 280 mT SMF stimulation set-up to investigate the genomic effects of SMF exposure on MCCs differentiation and osteoblast-related factor secretion in vitro. Induced by Oricell™ for osteogenesis, MCCs from primary SD Rat were stimulated with or without SMF for cell culture. Cell proliferation was determined by CCK-8. The enhanced osteogenetic capacity of the SMF stimulated MCCs was identified by Alizarin red staining (ARS). Additionally, the effects of SMF on the expression of transmembrane protein marker (FLRT3), terminal differentiation markers (BMP2), and transcription factors (Smad1/5/8) were quantified by Western blot and immunofluorescence analysis. RESULTS Compared with the control group, SMF decreased the proliferation of MCCs (p < 0.05) after 14 days osteogenesis-specific induction. The mineral synthesis of MCCs was upregulated by SMF (p < 0.0001). The expression of BMP2, Smad1/5/8 showed decrease trends while the protein level of FLRT3 acted in contrary manner (p < 0.05). CONCLUSIONS Our findings emphasized the ability of osteogenesis positively respond to SMF stimulation by exhibiting enhanced differentiation via FLRT/BMP signaling.
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Affiliation(s)
- Weihao Li
- Institute of Oral Research, School of Stomatology, Kunming Medical University, Kunming, Yunnan, 650500, China
| | - Shurong Zhao
- Department of Orthodontics, Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, 650000, China
| | - Wei He
- Department of Orthodontics, Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, 650000, China
| | - Ming Zhang
- Department of Orthodontics, Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, 650000, China
| | - Song Li
- Institute of Oral Research, School of Stomatology, Kunming Medical University, Kunming, Yunnan, 650500, China
| | - Yanhua Xu
- Department of Orthodontics, Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, 650000, China.
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Yan S, Li M, Komasa S, Agariguchi A, Yang Y, Zeng Y, Takao S, Zhang H, Tashiro Y, Kusumoto T, Kobayashi Y, Chen L, Kashiwagi K, Matsumoto N, Okazaki J, Kawazoe T. Decontamination of Titanium Surface Using Different Methods: An In Vitro Study. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2287. [PMID: 32429186 PMCID: PMC7287776 DOI: 10.3390/ma13102287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/10/2020] [Accepted: 05/13/2020] [Indexed: 12/15/2022]
Abstract
Contamination of implants is inevitable during different steps of production as well as during the clinical use. We devised a new implant cleaning strategy to restore the bioactivities on dental implant surfaces. We evaluated the efficiency of the Finevo cleaning system, and Ultraviolet and Plasma treatments to decontaminate hydrocarbon-contaminated titanium disks. The surfaces of the contaminated titanium disks cleaned using the Finevo cleaning system were similar to those of the uncontaminated titanium disks in scanning electron microscopy and X-ray photoelectron spectroscopy analysis, but no obvious change in the roughness was observed in the scanning probe microscopy analysis. The rat bone marrow mesenchymal stem cells (rBMMSCs) cultured on the treated titanium disks attached to and covered the surfaces of disks cleaned with the Finevo cleaning system. The alkaline phosphatase activity, calcium deposition, and osteogenesis-related gene expression in rBMMSCs on disks cleaned using the Finevo cleaning system were higher compared to those in the ultraviolet and plasma treatments, displaying better cell functionality. Thus, the Finevo cleaning system can enhance the attachment, differentiation, and mineralization of rBMMSCs on treated titanium disk surfaces. This research provides a new strategy for cleaning the surface of contaminated titanium dental implants and for restoration of their biological functions.
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Affiliation(s)
- Sifan Yan
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Min Li
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Satoshi Komasa
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Akinori Agariguchi
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Yuanyuan Yang
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Yuhao Zeng
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Seiji Takao
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Honghao Zhang
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Yuichiro Tashiro
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Tetsuji Kusumoto
- Department of Oral Health Engineering, Faculty of Health Sciences, Osaka Dental University, Osaka 573-1121, Japan;
| | - Yasuyuki Kobayashi
- Osaka Research Institute of Industrial Science and Technology Morinomiya Center, 1-6-50, Morinomiya, Joto-ku, Osaka-shi 536-8553, Japan;
| | - Liji Chen
- Department of Orthodntics, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (L.C.); (N.M.)
| | - Kosuke Kashiwagi
- Department of Fixed Prosthodontics, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (K.K.); (T.K.)
| | - Naoyuki Matsumoto
- Department of Orthodntics, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (L.C.); (N.M.)
| | - Joji Okazaki
- Department of Removable Prosthodontics and Occlusion, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (S.Y.); (M.L.); (S.K.); (A.A.); (Y.Y.); (Y.Z.); (S.T.); (H.Z.); (Y.T.)
| | - Takayoshi Kawazoe
- Department of Fixed Prosthodontics, Osaka Dental University, 8-1 Kuzuha-hanazono-cho, Hirakata, Osaka 573-1121, Japan; (K.K.); (T.K.)
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Tanasa E, Zaharia C, Hudita A, Radu IC, Costache M, Galateanu B. Impact of the magnetic field on 3T3-E1 preosteoblasts inside SMART silk fibroin-based scaffolds decorated with magnetic nanoparticles. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110714. [PMID: 32204026 DOI: 10.1016/j.msec.2020.110714] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 12/17/2019] [Accepted: 01/30/2020] [Indexed: 02/07/2023]
Abstract
This paper reports the impact of the magnetic field on 3T3-E1 preosteoblasts within silk-fibroin scaffolds decorated with magnetic nanoparticles. Scaffolds were prepared from silk fibroin and poly(2-hydroxyethyl methacrylate) template in which magnetite nanoparticles were embedded. The presence of the magnetite specific peaks within scaffolds compositions was evidenced by RAMAN analysis. Structural investigation was done by XRD analysis and morphological information including internal structure was obtained through SEM analysis. Geometrical evaluation (size and shape), crystalline structure of magnetic nanoparticles and the morphology of the silk fibroin scaffolds were investigated by HR-TEM. Magnetic nanoparticles were distributed within scaffolds structure. Biomineralization of hydroxyapatite on silk fibroin scaffolds with and without magnetic nanoparticles was investigated by an alternate soaking process. SEM images showed that the magnetic scaffolds were covered in an almost continuously film, which has a phase with nanostructured characteristics. This phase, which has as main components Ca and P, is made of lamellar formations. The design of an original magnetic 3D cell culture setup allowed us to observe cellular modifications under the exposure to magnetic field in the presence of magnetic silk fibroin biomaterials. The cellular proliferation potential of 3T3-E1 cell line was found increased under the magnetic field, especially in the presence of the magnetite nanoparticles. In addition, we showed that the low static magnetic field positively impacts on the osteogenic differentiation potential of the cells inside the biomimetic magnetic scaffolds.
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Affiliation(s)
- Eugenia Tanasa
- Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 1-7 Gh. Polizu Street, Romania
| | - Catalin Zaharia
- Faculty of Applied Chemistry and Materials Science, Politehnica University of Bucharest, 1-7 Gh. Polizu Street, Romania; Advanced Polymer Materials Group, Politehnica University of Bucharest, 1-7 Gh. Polizu Street, Romania.
| | - Ariana Hudita
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, Romania
| | - Ionut-Cristian Radu
- Advanced Polymer Materials Group, Politehnica University of Bucharest, 1-7 Gh. Polizu Street, Romania
| | - Marieta Costache
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, Romania
| | - Bianca Galateanu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, Romania.
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Hao L, Li L, Wang P, Wang Z, Shi X, Guo M, Zhang P. Synergistic osteogenesis promoted by magnetically actuated nano-mechanical stimuli. NANOSCALE 2019; 11:23423-23437. [PMID: 31799540 DOI: 10.1039/c9nr07170a] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Functional biomaterials with magnetic properties are considerably useful for regulating cell behavior and promoting bone regeneration. And the combination of such biomaterials with physical environmental cues (such as magnetic fields and mechanical stress) might be more favorable for the regulation of cell function. This study is aimed at investigating the combined effects of magnetically responsive materials and a static magnetic field (SMF) on the osteogenic differentiation of osteoblasts and the potential mechanism involved. In this study, oleic acid modified iron oxide nanoparticles (IO-OA NPs) were utilized to generate homogeneous magnetic nanocomposites with poly(lactide-co-glycolide) (PLGA) used as the base and to enhance the mechanical properties of the composites. In vitro experimental results show that in the presence of an external SMF, cell attachment and osteogenic differentiation were significantly improved using the IO-OA/PLGA composites, as indicated by enhanced alkaline phosphatase (ALP) activity, increased mineralized nodule formation, and upregulated bone-associated gene expression (ALP, OCN, and BMP2), in a dose- and time-dependent manner. Furthermore, the upregulated expression levels of piezo-type mechanosensitive ion channel component 1 (Piezo1), a key receptor for sensing mechanical stimuli, implied that the synergistically enhanced osteogenic differentiation was mainly caused as a result of the mechanical stimuli. Such magnetically actuated mechanical stimuli were induced through the nano-deformation of the magnetic substrate under a SMF, which was directly characterized via in situ scanning using atomic force microscopy (AFM). This study demonstrates that magnetically actuated nano-mechanical stimuli may underpin the synergistic effects of magnetic composites and magnetic stimuli to enhance osteogenic differentiation, and they could form the basis of a potential strategy to accelerate bone formation for bone tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Lili Hao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Linlong Li
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and University of Chinese Academy of Sciences, Beijing 100039, PR China
| | - Peng Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Xincui Shi
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Min Guo
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China.
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, P. R. China. and School of Applied Chemistry and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
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28
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Magnetic nanocomposite hydrogels and static magnetic field stimulate the osteoblastic and vasculogenic profile of adipose-derived cells. Biomaterials 2019; 223:119468. [DOI: 10.1016/j.biomaterials.2019.119468] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/20/2019] [Accepted: 09/01/2019] [Indexed: 11/18/2022]
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Xu J, Liu K, Chen T, Zhan T, Ouyang Z, Wang Y, Liu W, Zhang X, Sun Y, Xu G, Wang X. Rotating magnetic field delays human umbilical vein endothelial cell aging and prolongs the lifespan of Caenorhabditis elegans. Aging (Albany NY) 2019; 11:10385-10408. [PMID: 31757933 PMCID: PMC6914427 DOI: 10.18632/aging.102466] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 11/08/2019] [Indexed: 01/05/2023]
Abstract
The biological effects of magnetic fields are a research hotspot in the field of biomedical engineering. In this study, we further investigated the effects of a rotating magnetic field (RMF; 0.2 T, 4 Hz) on the growth of human umbilical vein endothelial cells (HUVECs) and Caenorhabditis elegans. The results showed that RMF exposure prolonged the lifespan of C. elegans and slowed the aging of HUVECs. RMF treatment of HUVECs showed that activation of adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) was associated with decreased mitochondrial membrane potential (MMP) due to increased intracellular Ca2+ concentrations induced by endoplasmic reticulum stress in anti-aging mechanisms. RMF also promoted the health status of C. elegans by improving activity, reducing age-related pigment accumulation, delaying Aβ-induced paralysis and increasing resistance to heat and oxidative stress. The prolonged lifespan of C. elegans was associated with decreased levels of daf-16 which related to the insulin/insulin-like growth factor signaling pathway (IIS) activity and reactive oxygen species (ROS), whereas the heat shock transcription factor-1 (hsf-1) pathway was not involved. Moreover, the level of autophagy was increased after RMF treatment. These findings expand our understanding of the potential mechanisms by which RMF treatment prolongs lifespan.
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Affiliation(s)
- Jiangyao Xu
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Kan Liu
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Tingting Chen
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University, Shenzhen 518055, China
| | - Tianying Zhan
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Zijun Ouyang
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Yushu Wang
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Wen Liu
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Biotechnology and Pharmaceutical Sciences, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Xiaoyun Zhang
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
| | - Yang Sun
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Biotechnology and Pharmaceutical Sciences, School of Life Sciences, Nanjing University, Nanjing 210023, China
| | - Gaixia Xu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University, Shenzhen 518055, China
| | - Xiaomei Wang
- Base for International Science and Technology Cooperation: Carson Cancer Stem Cell Vaccines R&D Center, Shenzhen Key Lab of Synthetic Biology, Department of Physiology, School of Basic Medical Sciences Shenzhen University, Shenzhen 518055, China
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30
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Surface Immobilization of TiO 2 Nanotubes with Bone Morphogenetic Protein-2 Synergistically Enhances Initial Preosteoblast Adhesion and Osseointegration. BIOMED RESEARCH INTERNATIONAL 2019; 2019:5697250. [PMID: 31032352 PMCID: PMC6457305 DOI: 10.1155/2019/5697250] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 03/10/2019] [Indexed: 11/18/2022]
Abstract
Although titanium (Ti) alloys have been widely used as implant materials, the bioinertness of pristine Ti impairs their bioactivity and early osseointegration. In the present work, we prepared TiO2 nanotubes (TNT) layer on the titanium (Ti) surface by anodic oxidation. The anodized surface was functionalized with human bone morphogenetic protein-2 coating to form the hBMP-2/TNT surface. The release behavior of hBMP-2 on the hBMP-2/TNT surface displayed a controlled and sustained pattern, compared to that on the hBMP-2/Ti surface, which showed a rapid release. In vitro cellular activity tests demonstrated that both TNT and hBMP-2/Ti surfaces, particularly the hBMP-2/TNT surface, enhanced adhesion, proliferation, and differentiation of osteoblast cells. Increased cell adhesion, improved cytoskeleton organization, and immunofluorescence staining of vinculin were observed on the modified surfaces. The TNT, hBMP-2/Ti, and hBMP-2/TNT surfaces, especially the hBMP-2/TNT surface, further displayed an upregulated gene expression of adhesion and osteogenic markers vinculin, collagen type 1, osteopontin, and osteocalcin, compared to the pristine Ti surface. In vivo experiments using a rat model demonstrated that the TNT and hBMP-2/Ti surfaces, in particular the hBMP-2/TNT surface, improved osseointegration and showed a superior bone bonding ability compared to Ti. Our study revealed a synergistic role played by TiO2 nanotubes nanotopography and hBMP-2 in promoting initial osteoblast adhesion, proliferation, differentiation, and osseointegration, thus suggesting a promising method for better modifying the implant surface.
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He Y, Yu L, Liu J, Li Y, Wu Y, Huang Z, Wu D, Wang H, Wu Z, Qiu G. Enhanced osteogenic differentiation of human bone–derived mesenchymal stem cells in 3‐dimensional printed porous titanium scaffolds by static magnetic field through up‐regulating Smad4. FASEB J 2019; 33:6069-6081. [DOI: 10.1096/fj.201802195r] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yu He
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Lingjia Yu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Jieying Liu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Yaqian Li
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Yuanhao Wu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Zhenfei Huang
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Di Wu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Hai Wang
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
| | - Zhihong Wu
- Central LaboratoryPeking Union Medical College HospitalPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
- Beijing Key Laboratory for Genetic Research of Bone and Joint Disease Beijing China
| | - Guixing Qiu
- Department of Orthopaedic SurgeryPeking Union Medical College and Chinese Academy of Medical Sciences Beijing China
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32
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Huang WS, Chu IM. Injectable polypeptide hydrogel/inorganic nanoparticle composites for bone tissue engineering. PLoS One 2019; 14:e0210285. [PMID: 30629660 PMCID: PMC6328128 DOI: 10.1371/journal.pone.0210285] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 12/19/2018] [Indexed: 12/26/2022] Open
Abstract
The general concept of tissue engineering is to restore biological function by replacing defective tissues with implantable, biocompatible, and easily handleable cell-laden scaffolds. In this study, osteoinductive and osteoconductive super paramagnetic Fe3O4 nanoparticles (MNP) and hydroxyapatite (HAP) nanoparticles were incorporated into a di-block copolymer based thermo-responsive hydrogel, methoxy(polyethylene glycol)-polyalanine (mPA), at various concentrations to afford composite, injectable hydrogels. Incorporating nanoparticles into the thermo-responsive hydrogel increased the complex viscosity and decreased the gelation temperature of the starting hydrogel. Functionally, the integration of inorganic nanoparticles modulated bio-markers of bone differentiation and enhanced bone mineralization. Moreover, this study adopted the emerging method of using either a supplementary static magnetic field (SMF) or a moving magnetic field to elicit biological response. These results demonstrate that combining external (magnet) and internal (scaffold) magnetisms is a promising approach for bone regeneration.
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Affiliation(s)
- Wei-Shun Huang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan
| | - I-Ming Chu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan
- * E-mail:
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33
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Li K, Liu S, Xue Y, Zhang L, Han Y. A superparamagnetic Fe3O4–TiO2 composite coating on titanium by micro-arc oxidation for percutaneous implants. J Mater Chem B 2019; 7:5265-5276. [DOI: 10.1039/c9tb01096c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The micro-magnetic field induced by the Fe3O4 nanoparticles in TiO2 can efficiently enhance the fibroblast response, reduce bacterial reproduction in vitro, and improve skin integration in vivo.
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Affiliation(s)
- Kai Li
- State-Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- China
| | - Shiyu Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases
- Center for Tissue Engineering, School of Stomatology
- Fourth Military Medical University
- Xi’an 710032
- China
| | - Yang Xue
- State-Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- China
| | - Lan Zhang
- State-Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- China
| | - Yong Han
- State-Key Laboratory for Mechanical Behavior of Materials
- Xi’an Jiaotong University
- Xi’an 710049
- China
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34
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Xia Y, Chen H, Zhao Y, Zhang F, Li X, Wang L, Weir MD, Ma J, Reynolds MA, Gu N, Xu HHK. Novel magnetic calcium phosphate-stem cell construct with magnetic field enhances osteogenic differentiation and bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 98:30-41. [PMID: 30813031 DOI: 10.1016/j.msec.2018.12.120] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/20/2018] [Accepted: 12/27/2018] [Indexed: 01/09/2023]
Abstract
Superparamagnetic iron oxide nanoparticles (IONPs) are promising bioactive additives to fabricate magnetic scaffolds for bone tissue engineering. To date, there has been no report on osteoinductivity of IONP-incorporated calcium phosphate cement (IONP-CPC) scaffold on stem cells using an exterior static magnetic field (SMF). The objectives of this study were to: (1) develop a novel magnetic IONP-CPC construct for bone tissue engineering, and (2) investigate the effects of IONP-incorporation and SMF application on the proliferation, osteogenic differentiation and bone mineral synthesis of human dental pulp stem cells (hDPSCs) seeded on IONP-CPC scaffold for the first time. The novel magnetic IONP-CPC under SMF enhanced the cellular performance of hDPSCs, yielding greater alkaline phosphatase activities (about 3-fold), increased expressions of osteogenic marker genes, and more cell-synthesized bone minerals (about 2.5-fold), compared to CPC control and nonmagnetic IONP-CPC. In addition, IONP-CPC induced more active osteogenesis than CPC control in rat mandible defects. These results were consistent with the enhanced cellular performance by magnetic IONP in media under SMF. Moreover, nano-aggregates were detected inside the cells by transmission electron microscopy (TEM). Therefore, the enhanced cell performance was attributed to the physical forces generated by the magnetic field together with cell internalization of the released magnetic nanoparticles from IONP-CPC constructs.
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Affiliation(s)
- Yang Xia
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China; Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China; Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Huimin Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yantao Zhao
- Beijing Engineering Research Center of Orthopedic Implants, First Affiliated Hospital of CPLA General Hospital, Beijing 100048, China
| | - Feimin Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China; Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou, Jiangsu 215123, China
| | - Xiaodong Li
- Department of Oral Medicine, School of Stomatology, Zhejiang University, Hangzhou, Zhejiang, China
| | - Lin Wang
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; VIP Integrated Department, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Michael D Weir
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Junqing Ma
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Mark A Reynolds
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Ning Gu
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China; Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou, Jiangsu 215123, China.
| | - Hockin H K Xu
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; Center for Stem Cell Biology and Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; University of Maryland Marlene and Stewart Greene Baum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Yamaguchi-Sekino S, Kira T, Sekino M, Akahane M. Effects of 7 T static magnetic fields on the expression of biological markers and the formation of bone in rats. Bioelectromagnetics 2018; 40:16-26. [PMID: 30466173 DOI: 10.1002/bem.22161] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/26/2018] [Indexed: 01/14/2023]
Abstract
In this study, we aimed to evaluate the effects of 7 T static magnetic fields (SMFs) on rat mesenchymal stem cells (MSCs) in order to determine whether strong SMFs affected the osteogenesis of MSCs. MSCs were prepared from bone marrow cells obtained from the femurs of 7-week-old male Fischer 344 rats. MSCs were then combined with β-tricalcium phosphate (β-TCP), yielding two types of TCP/MSC constructs (TCP/P-1 and P-2) on day 0. Exposure was performed for 3 h/day for 6 days, and the experiments were performed twice using different exposure apparatus (cryovials or 4-well chambers) for each experiment. The results from gene expression, protein expression, and histological analyses showed no reproducible effects on both TCP/P-1 and TCP/P-2 MSC constructs, although osteocalcin levels for TCP/P-1 MSC constructs increased significantly once after 7 T exposure in two experiments. These findings contribute to understanding the effects of strong SMFs on MSC and osteoblasts. Bioelectromagnetics. 40:16-26, 2019. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Tsutomu Kira
- Department of Orthopedic Surgery, Nara Medical University, Kashihara, Japan
| | - Masaki Sekino
- Department of Electrical Engineering and Information Systems, School of Engineering, University of Tokyo, Tokyo, Japan
| | - Manabu Akahane
- Department of Public Health, Health Management and Policy, Nara Medical University School of Medicine, Kashihara, Japan
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Li K, Yan T, Xue Y, Guo L, Zhang L, Han Y. Intrinsically ferromagnetic Fe-doped TiO 2 coatings on titanium for accelerating osteoblast response in vitro. J Mater Chem B 2018; 6:5756-5767. [PMID: 32254982 DOI: 10.1039/c8tb01414k] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The microenvironment can regulate osteoblast behavior during integration of implants with host bones. An intrinsically magnetic field induced by an Fe3+ doped TiO2 coating was applied herein to enhance the cytocompatibility of Ti. Porous TiO2 incorporated with different amounts of Fe (2.27-11.07 wt%) was directly prepared on Ti by micro-arc oxidation. The microstructure, roughness, wettability, ion releasing and magnetic property of TiO2 coatings were investigated. Cell behavior, including adhesion, proliferation, differentiation, collagen secretion and extracellular matrix mineralization on coating surfaces was evaluated. The results show that incorporation of Fe3+ did not significantly alter the phase component, topography, roughness and wettability of coatings, and with increased doses of Fe3+, trace amounts of Fe3+ were released into the media, whereas the Ca2+ accumulation concentration slightly decreased. Fe-Doped TiO2 displayed a weak ferromagnetic property, and its saturation magnetization value increased initially and then decreased with the increased dose of Fe. Compared with the undoped, proliferation, expression of osteogenesis-related genes, collagen secretion and extracellular matrix mineralization of osteoblasts were enhanced with Fe doped ones, especially for those with 4.25 wt% Fe. By analyzing the structures and properties of different surfaces and their osteoblast responses, it is deduced that the ferromagnetism of Fe doped TiO2 plays a key role in enhancing osteoblast behavior. Such a result provides a new perspective for the potential application of ferromagnetic coatings in bone repair.
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Affiliation(s)
- Kai Li
- State-key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
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Xia Y, Sun J, Zhao L, Zhang F, Liang XJ, Guo Y, Weir MD, Reynolds MA, Gu N, Xu HHK. Magnetic field and nano-scaffolds with stem cells to enhance bone regeneration. Biomaterials 2018; 183:151-170. [PMID: 30170257 DOI: 10.1016/j.biomaterials.2018.08.040] [Citation(s) in RCA: 152] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 08/10/2018] [Accepted: 08/20/2018] [Indexed: 12/20/2022]
Abstract
Novel strategies utilizing magnetic nanoparticles (MNPs) and magnetic fields are being developed to enhance bone tissue engineering efficacy. This article first reviewed cutting-edge research on the osteogenic enhancements via magnetic fields and MNPs. Then the current developments in magnetic strategies to improve the cells, scaffolds and growth factor deliveries were described. The magnetic-cell strategies included cell labeling, targeting, patterning, and gene modifications. MNPs were incorporated to fabricate magnetic composite scaffolds, as well as to construct delivery systems for growth factors, drugs and gene transfections. The novel methods using magnetic nanoparticles and scaffolds with magnetic fields and stem cells increased the osteogenic differentiation, angiogenesis and bone regeneration by 2-3 folds over those of the controls. The mechanisms of magnetic nanoparticles and scaffolds with magnetic fields and stem cells to enhance bone regeneration were identified as involving the activation of signaling pathways including MAPK, integrin, BMP and NF-κB. Potential clinical applications of magnetic nanoparticles and scaffolds with magnetic fields and stem cells include dental, craniofacial and orthopedic treatments with substantially increased bone repair and regeneration efficacy.
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Affiliation(s)
- Yang Xia
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China; Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China; Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Jianfei Sun
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Liang Zhao
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; Department of Orthopedic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Feimin Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China; Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou, Jiangsu 215123, China
| | - Xing-Jie Liang
- Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Yu Guo
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Michael D Weir
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Mark A Reynolds
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Ning Gu
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China; Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou, Jiangsu 215123, China.
| | - Hockin H K Xu
- Department of Advanced Oral Sciences & Therapeutics, University of Maryland School of Dentistry, Baltimore, MD 21201, USA; Center for Stem Cell Biology and Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA; University of Maryland Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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Huang Z, Wu Z, Ma B, Yu L, He Y, Xu D, Wu Y, Wang H, Qiu G. Enhanced in vitro biocompatibility and osteogenesis of titanium substrates immobilized with dopamine-assisted superparamagnetic Fe 3O 4 nanoparticles for hBMSCs. ROYAL SOCIETY OPEN SCIENCE 2018; 5:172033. [PMID: 30224987 PMCID: PMC6124053 DOI: 10.1098/rsos.172033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 06/27/2018] [Indexed: 05/14/2023]
Abstract
Titanium (Ti) is an ideal bone substitute due to its superior bio-compatibility and remarkable corrosion resistance. However, in order to improve the osteoconduction and osteoinduction capacities in clinical applications, different kinds of surface modifications are typically applied to Ti alloys. In this study, we fabricated a tightly attached polydopamine-assisted Fe3O4 nanoparticle coating on Ti with magnetic properties, aiming to improve the osteogenesis of the Ti substrates. The PDA-assisted Fe3O4 nanoparticle coatings were characterized by scanning electron microscopy, energy dispersive spectroscopy, atomic force microscopy and water contact angle measurements. The cell attachment and proliferation rate of the human bone mesenchymal stem cells (hBMSCs) on the Ti surface significantly improved with the Fe3O4/PDA coating when compared with the pure Ti without a coating. Furthermore, the results of in vitro alkaline phosphatase (ALP) activity at 7 and 14 days and alizarin red S staining at 14 days showed that the Fe3O4/PDA coating on Ti promoted the osteogenic differentiation of hBMSCs. Moreover, hBMSCs co-cultured with the Fe3O4/PDA-coated Ti for approximately 14 days also exhibited a significantly higher mRNA expression level of ALP, osteocalcin and runt-related transcription factor-2 (RUNX2). Our in vitro results revealed that the present PDA-assisted Fe3O4 nanoparticle surface coating is an innovative method for Ti surface modification and shows great potential for clinical applications.
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Affiliation(s)
- Zhenfei Huang
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Zhihong Wu
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
- Central Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Bupeng Ma
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
- Central Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Lingjia Yu
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Yu He
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Derong Xu
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Yuanhao Wu
- Central Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Hai Wang
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
| | - Guixing Qiu
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, People's Republic of China
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Yang J, Zhang J, Ding C, Dong D, Shang P. Regulation of Osteoblast Differentiation and Iron Content in MC3T3-E1 Cells by Static Magnetic Field with Different Intensities. Biol Trace Elem Res 2018; 184:214-225. [PMID: 29052173 PMCID: PMC5992240 DOI: 10.1007/s12011-017-1161-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Accepted: 09/19/2017] [Indexed: 01/22/2023]
Abstract
Many studies have indicated that static magnetic fields (SMFs) have positive effects on bone tissue, including bone formation and bone healing process. Evaluating the effects of SMFs on bone cell (especially osteoblast) function and exploring the mechanism, which is critical for understanding the possible risks or benefits from SMFs to the balance of bone remodeling. Iron and magnetic fields have the natural relationship, and iron is an essential element for normal bone metabolism. Iron overload or deficiency can cause severe bone disorders including osteoporosis. However, there are few reports regarding the role of iron in the regulation of bone formation under SMFs. In this study, hypomagnetic field (HyMF) of 500 nT, moderate SMF (MMF) of 0.2 T, and high SMF (HiMF) of 16 T were used to investigate how osteoblast (MC3T3-E1) responses to SMFs and iron metabolism of osteoblast under SMFs. The results showed that SMFs did not pose severe toxic effects on osteoblast growth. During cell proliferation, iron content of osteoblast MC3T3-E1 cells was decreased in HyMF, but was increased in MMF and HiMF after exposure for 48 h. Compared to untreated control (i.e., geomagnetic field, GMF), HyMF and MMF exerted deleterious effects on osteoblast differentiation by simultaneously retarding alkaline phosphatase (ALP) activity, mineralization and calcium deposition. However, when exposed to HiMF of 16 T, the differentiation potential showed the opposite tendency with enhanced mineralization. Iron level was increased in HyMF, constant in MMF and decreased in HiMF during cell differentiation. In addition, the mRNA expression of transferrin receptor 1 (TFR1) was promoted by HyMF but was inhibited by HiMF. At the same time, HiMF of 16 T and MMF of 0.2 T increased the expression of ferroportin 1 (FPN1). In conclusion, these results indicated that osteoblast differentiation can be regulated by altering the strength of the SMF, and iron is possibly involved in this process.
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Affiliation(s)
- Jiancheng Yang
- Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Jian Zhang
- School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Medical College of Soochow University, Suzhou, China
| | - Chong Ding
- Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, School of Electrical Engineering, Hebei University of Technology, Tianjin, China
| | - Dandan Dong
- Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Peng Shang
- Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.
- School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Medical College of Soochow University, Suzhou, China.
- Research and Development Institute in Shenzhen, Northwestern Polytechnical University, Shenzhen, China.
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Shuai C, Yang W, Peng S, Gao C, Guo W, Lai Y, Feng P. Physical stimulations and their osteogenesis-inducing mechanisms. Int J Bioprint 2018; 4:138. [PMID: 33102916 PMCID: PMC7581999 DOI: 10.18063/ijb.v4i2.138] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 05/09/2018] [Indexed: 12/27/2022] Open
Abstract
Physical stimulations such as magnetic, electric and mechanical stimulation could enhance cell activity and promote bone formation in bone repair process via activating signal pathways, modulating ion channels, regulating bonerelated gene expressions, etc. In this paper, bioeffects of physical stimulations on cell activity, tissue growth and bone healing were systematically summarized, which especially focused on their osteogenesis-inducing mechanisms. Detailedly, magnetic stimulation could produce Hall effect which improved the permeability of cell membrane and promoted the migration of ions, especially accelerating the extracellular calcium ions to pass through cell membrane. Electric stimulation could induce inverse piezoelectric effect which generated electric signals, accordingly up-regulating intracellular calcium levels and growth factor synthesis. And mechanical stimulation could produce mechanical signals which were converted into corresponding biochemical signals, thus activating various signaling pathways on cell membrane and inducing a series of gene expressions. Besides, bioeffects of physical stimulations combined with bone scaffolds which fabricated using 3D printing technology on bone cells were discussed. The equipments of physical stimulation system were described. The opportunities and challenges of physical stimulations were also presented from the perspective of bone repair.
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Affiliation(s)
- Cijun Shuai
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, China.,Jiangxi University of Science and Technology, Ganzhou, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
| | - Wenjing Yang
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, China
| | - Shuping Peng
- Hunan Provincial Tumor Hospital and the Affiliated Tumor Hospital of Xiangya School of Medicine, Central South University, Changsha, China
| | - Chengde Gao
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, China
| | - Wang Guo
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, China
| | - Yuxiao Lai
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, China
| | - Pei Feng
- State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha, China
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Kim EC, Park J, Noh G, Park SJ, Noh K, Kwon IK, Ahn SJ. Effects of moderate intensity static magnetic fields on osteoclastic differentiation in mouse bone marrow cells. Bioelectromagnetics 2018; 39:394-404. [DOI: 10.1002/bem.22126] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 02/26/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Eun-Cheol Kim
- Department of Oral and Maxillofacial Pathology; School of Dentistry; Kyung Hee University; Seoul South Korea
| | - Jaesuh Park
- Department of Oral and Maxillofacial Pathology; School of Dentistry; Kyung Hee University; Seoul South Korea
| | - Gunwoo Noh
- School of Mechanical Engineering; Kyungpook National University; Daegu South Korea
| | - Su-Jung Park
- Department of Prosthodontics; School of Dentistry; Kyung Hee University; Seoul South Korea
| | - Kwantae Noh
- Department of Prosthodontics; School of Dentistry; Kyung Hee University; Seoul South Korea
| | - Il-Keun Kwon
- Department of Dental Materials; School of Dentistry; Kyung Hee University; Seoul South Korea
| | - Su-Jin Ahn
- Department of Prosthodontics; School of Dentistry; Kyung Hee University; Seoul South Korea
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3D Biomimetic Magnetic Structures for Static Magnetic Field Stimulation of Osteogenesis. Int J Mol Sci 2018; 19:ijms19020495. [PMID: 29414875 PMCID: PMC5855717 DOI: 10.3390/ijms19020495] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 01/24/2018] [Accepted: 01/29/2018] [Indexed: 01/25/2023] Open
Abstract
We designed, fabricated and optimized 3D biomimetic magnetic structures that stimulate the osteogenesis in static magnetic fields. The structures were fabricated by direct laser writing via two-photon polymerization of IP-L780 photopolymer and were based on ellipsoidal, hexagonal units organized in a multilayered architecture. The magnetic activity of the structures was assured by coating with a thin layer of collagen-chitosan-hydroxyapatite-magnetic nanoparticles composite. In vitro experiments using MG-63 osteoblast-like cells for 3D structures with gradients of pore size helped us to find an optimum pore size between 20-40 µm. Starting from optimized 3D structures, we evaluated both qualitatively and quantitatively the effects of static magnetic fields of up to 250 mT on cell proliferation and differentiation, by ALP (alkaline phosphatase) production, Alizarin Red and osteocalcin secretion measurements. We demonstrated that the synergic effect of 3D structure optimization and static magnetic stimulation enhances the bone regeneration by a factor greater than 2 as compared with the same structure in the absence of a magnetic field.
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Kim EC, Park J, Kwon IK, Lee SW, Park SJ, Ahn SJ. Static magnetic fields promote osteoblastic/cementoblastic differentiation in osteoblasts, cementoblasts, and periodontal ligament cells. J Periodontal Implant Sci 2017; 47:273-291. [PMID: 29093986 PMCID: PMC5663666 DOI: 10.5051/jpis.2017.47.5.273] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 08/18/2017] [Indexed: 11/16/2022] Open
Abstract
Purpose Although static magnetic fields (SMFs) have been used in dental prostheses and osseointegrated implants, their biological effects on osteoblastic and cementoblastic differentiation in cells involved in periodontal regeneration remain unknown. This study was undertaken to investigate the effects of SMFs (15 mT) on the osteoblastic and cementoblastic differentiation of human osteoblasts, periodontal ligament cells (PDLCs), and cementoblasts, and to explore the possible mechanisms underlying these effects. Methods Differentiation was evaluated by measuring alkaline phosphatase (ALP) activity, mineralized nodule formation based on Alizarin red staining, calcium content, and the expression of marker mRNAs assessed by reverse transcription polymerase chain reaction (RT-PCR). Signaling pathways were analyzed by western blotting and immunocytochemistry. Results The activities of the early marker ALP and the late markers matrix mineralization and calcium content, as well as osteoblast- and cementoblast-specific gene expression in osteoblasts, PDLCs, and cementoblasts were enhanced. SMFs upregulated the expression of Wnt proteins, and increased the phosphorylation of glycogen synthase kinase-3β (GSK-3β) and total β-catenin protein expression. Furthermore, p38 and c-Jun N-terminal kinase (JNK) mitogen-activated protein kinase (MAPK), and nuclear factor-κB (NF-κB) pathways were activated. Conclusions SMF treatment enhanced osteoblastic and/or cementoblastic differentiation in osteoblasts, cementoblasts, and PDLCs. These findings provide a molecular basis for the beneficial osteogenic and/or cementogenic effect of SMFs, which could have potential in stimulating bone or cementum formation during bone regeneration and in patients with periodontal disease.
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Affiliation(s)
- Eun-Cheol Kim
- Department of Oral and Maxillofacial Pathology, Institute of Oral Biology, Kyung Hee University School of Dentistry, Seoul, Korea
| | - Jaesuh Park
- Department of Oral and Maxillofacial Pathology, Institute of Oral Biology, Kyung Hee University School of Dentistry, Seoul, Korea
| | - Il Keun Kwon
- Department of Dental Materials, Kyung Hee University School of Dentistry, Seoul, Korea
| | - Suk-Won Lee
- Department of Biomaterials and Prosthodontics, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Dentistry, Seoul, Korea
| | - Su-Jung Park
- Department of Biomaterials and Prosthodontics, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Dentistry, Seoul, Korea
| | - Su-Jin Ahn
- Department of Biomaterials and Prosthodontics, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Dentistry, Seoul, Korea
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Xing H, Wang X, Xiao S, Zhang G, Li M, Wang P, Shi Q, Qiao P, E L, Liu H. Osseointegration of layer-by-layer polyelectrolyte multilayers loaded with IGF1 and coated on titanium implant under osteoporotic condition. Int J Nanomedicine 2017; 12:7709-7720. [PMID: 29089765 PMCID: PMC5656347 DOI: 10.2147/ijn.s148001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Purpose Titanium implant is a widely used method for dental prosthesis restoration. Nevertheless, in patients with systemic diseases, including osteoporosis, diabetes, and cancer, the success rate of the implant is greatly reduced. This study investigates a new implant material loaded with insulin-like growth factor 1 (IGF1), which could potentially improve the implant success rate, accelerate the occurrence of osseointegration, and provide a new strategy for implant treatment in osteoporotic patients. Materials and methods Biofunctionalized polyelectrolyte multilayers (PEMs) with polyethylenimine as the excitation layer and gelatin/chitosan loaded with IGF1 were prepared on the surface of titanium implant by layer-by-layer self-assembly technique. The physical and chemical properties of the biofunctionalized PEMs, the biological characteristics of bone marrow mesenchymal stem cells (BMMSCs), and bone implant contact correlation test indexes were detected and analyzed in vitro and in vivo using osteoporosis rat model. Results PEMs coatings loaded with IGF1 (TNS-PEM-IGF1-100) implant promoted the early stage of BMMSCs adhesion. Under the action of body fluids, the active coating showed sustained release of growth factors, which in turn promoted the proliferation and differentiation of BMMSCs and the extracellular matrix. At 8 weeks from implant surgery, the new bone around the implants was examined using micro-CT and acid fuchsin/methylene blue staining. The new bone formation increased with time in each group, while the TNS-PEM-IGF1-100 group showed the highest thickness and continuity. Conclusion TNS-PEM-IGF1-100 new implants can promote osseointegration in osteoporotic conditions both in vivo and in vitro and provide a new strategy for implant repair in osteoporotic patients.
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Affiliation(s)
- Helin Xing
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Xing Wang
- Hospital of Stomatology, Shanxi Medical University, Taiyuan
| | - Saisong Xiao
- Department of Anesthesia, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Guilan Zhang
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Meng Li
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Peihuan Wang
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Quan Shi
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Pengyan Qiao
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Lingling E
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
| | - Hongchen Liu
- Institute of Stomatology, Chinese PLA General Hospital, Beijing
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Tong F, Liu F, Liu J, Xiao C, Liu J, Wu J. Effects of a magnetic palatal expansion appliance with reactivation system: An animal experiment. Am J Orthod Dentofacial Orthop 2017; 151:132-142. [PMID: 28024766 DOI: 10.1016/j.ajodo.2016.06.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/01/2016] [Accepted: 06/01/2016] [Indexed: 11/17/2022]
Abstract
INTRODUCTION The purpose of this study was to evaluate the effects of a newly designed magnetic palatal expansion appliance with a reactivation system. METHODS A magnetic palatal expansion appliance was designed based on the repulsion forces of neodymium-iron-boron magnets combined with a reactivation system. Eighteen prepubertal male beagle dogs were assigned randomly to the magnetic expansion (ME) group, the mechanical screw expansion (SE) group, or the control group. Two pairs of nonmagnetic metal bone marker implants were inserted into palatal bone bilaterally 3 mm lateral to the midpalatal suture and in line with the first and fourth premolars, respectively, in each dog. The 6 animals in each group received (1) newly designed magnetic expanders, (2) jackscrew expanders, or (3) no expansion appliance. Expansion was stopped after 4 weeks when 6 mm of activation was achieved in the 2 treated groups. Three-dimensional evaluations of dental and skeletal effects were performed with cone-beam computed tomography. Histologic examinations were conducted using light microscopy to observe morphologic changes in the midpalatal suture after hematoxylin and eosin staining. RESULTS The absolute transversal changes of both treated groups before and after expansion were significantly greater than those in the control group in all parameters (P <0.001). The differences of the distances of bilateral canines in the ME group were significantly greater than in the SE group (1.04 ± 0.16 mm; P <0.001); the differences of the distances between implants adjacent to the first premolars (0.77 ± 0.06 mm; P <0.001) and the distances between implants adjacent to the fourth premolars (0.37 ± 0.06 mm; P <0.001) in the SE group were significantly greater than in the ME group. Histologic observations of the palatal sutures in the ME and SE groups, when compared with the control group, showed widening of the sutures and many fibroblasts in an active, proliferative state. Counts of osteoblasts were increased in both expansion groups. Counts of osteoclasts were increased in the SE group. CONCLUSIONS Both appliances expanded the maxilla effectively and induced processes of bone remodeling of the midpalatal sutures during expansion. The new magnetic palatal expansion appliances produced a smaller skeletal effect and a greater dental effect than did the mechanical screw palatal expansion appliances.
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Affiliation(s)
- Fei Tong
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Fen Liu
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Jiali Liu
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Chang Xiao
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Jian Liu
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China
| | - Jianyong Wu
- Orthodontic Department of Affiliated Stomatological Hospital of Nanchang University, Nanchang, China.
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Vahabzadeh S, Bose S. Effects of Iron on Physical and Mechanical Properties, and Osteoblast Cell Interaction in β-Tricalcium Phosphate. Ann Biomed Eng 2017; 45:819-828. [PMID: 27896489 PMCID: PMC5608263 DOI: 10.1007/s10439-016-1724-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 09/01/2016] [Indexed: 12/11/2022]
Abstract
Iron (Fe) is a vital element and its deficiency causes abnormal bone metabolism. We investigated the effects of Fe and its concentration in β-tricalcium phosphate (β-TCP) on physicomechanical properties and in vitro proliferation and differentiation of osteoblasts. Our results showed that Fe addition at concentrations of 0.5 wt.% (0.5 Fe-TCP) and 1.0 wt.% (1.0 Fe-TCP) inhibits the β-TCP to α-TCP phase transformation at sintering temperature of 1250 °C. Addition of 0.25 wt.% Fe (0.25 Fe-TCP) increased the compressive strength of β-TCP from 167.27 ± 16.2 to 227.10 ± 19.3 MPa. After 3 days of culture, surfaces of 0.5 Fe-TCP and 1.0 Fe-TCP samples were covered by osteoblast cells, compared to that of pure and 0.25 Fe-TCP. Cells grew to confluency on all Fe-doped samples after 7 days of culture and monolayer sheet-like cellular structure was found at 11 days. Optical cell density and alkaline phosphatase activity were significantly higher on Fe-doped samples and the highest values were found in 0.5 Fe-TCP samples. Our results show that Fe concentration had significant effect on physical and mechanical properties of TCP ceramics, and also on the in vitro osteoblast cellular interactions in TCP ceramics.
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Affiliation(s)
- Sahar Vahabzadeh
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA
| | - Susmita Bose
- W. M. Keck Biomedical Materials Research Laboratory, School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA.
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Gujjalapudi M, Anam C, Mamidi P, Chiluka R, Kumar AG, Bibinagar R. Effect of Magnetic Field on Bone Healing around Endosseous Implants - An In-vivo Study. J Clin Diagn Res 2016; 10:ZF01-ZF04. [PMID: 27891492 DOI: 10.7860/jcdr/2016/21509.8666] [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] [Received: 05/19/2016] [Accepted: 08/26/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION After implant placement, a stress-free healing period of 3-6 months is a pre-requisite to achieve good osseointegration. If this duration could be reduced, the patients would feel happier. Eventhough, immediate loading of implants is a clinically feasible concept; it is not possible in certain situations. Few studies have shown that Static magnetic field is useful to promote bone formation faster after the bone is wounded. AIM This pilot study was intended to evaluate the tissue response after implant placement under the influence of magnetic field. MATERIALS AND METHODS Twenty Tidal Spiral implants were used for this study. Two implants were placed in each patient in the anterior mandible corresponding to the B and D regions and the implant on the D region was exposed to magnetic field using safer magnet (Neodymium Boron Iron) and the implant on the B region served as a control. Both the implants were compared for stability using Resonance Frequency Analyzer (RFA) at Days 0, 30, 60 and 90. Mean Implant Stability Quotient (ISQ) values were compared on both sides using student's paired t-test and repeated measures ANOVA (analysis of variance). There was a significant difference in the mean ISQ values, hence, a post-hoc test was done to evaluate whether there is any difference between the follow-ups. RESULTS The average ISQ value for implants at 0 day in the B and D regions was 68.6 and 68.7 respectively. The average ISQ value at 30th day, 60th day and 90th day was 73.25, 76.05 and 78.95 respectively on the magnetic side (D region). Whereas on the non-magnetic side (B region) at 30th day, 60th day and 90th day was 68.45, 72.05 and 74.45 respectively. CONCLUSION The implant stability quotient values obtained on the magnetic side were significantly greater than on the non-magnetic side. Positive correlation exists between the magnetic field and osseointegration.
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Affiliation(s)
- Mahalakshmi Gujjalapudi
- Assistant Professor, Department of Prosthodontics, Government Dental College , Vijayawada, Andhra Pradesh, India
| | - Chandrasekar Anam
- Professor and Head, Department of Prosthodontics, SVS Dental College , Mahabubnagar, Telangana, India
| | - Praveen Mamidi
- Professor and Head, Department of Prosthodontics, PMVIDS and RC , Hyderabad, Telangana, India
| | - Radha Chiluka
- Senior Lecturer, Department of Prosthodontics, PMVIDS and RC , Hyderabad, Telangana, India
| | - A Gautam Kumar
- Professor, Department of Prosthodontics, PMVIDS and RC , Hyderabad, Telangana, India
| | - Ragini Bibinagar
- Senior Lecturer, Department of Prosthodontics, PMVIDS and RC , Hyderabad, Telangana, India
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48
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Magnetic nanocomposite scaffolds combined with static magnetic field in the stimulation of osteoblastic differentiation and bone formation. Biomaterials 2016; 85:88-98. [DOI: 10.1016/j.biomaterials.2016.01.035] [Citation(s) in RCA: 164] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/06/2016] [Accepted: 01/15/2016] [Indexed: 01/07/2023]
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Kim EC, Leesungbok R, Lee SW, Hong JY, Ko EJ, Ahn SJ. Effects of static magnetic fields on bone regeneration of implants in the rabbit: micro-CT, histologic, microarray, and real-time PCR analyses. Clin Oral Implants Res 2016; 28:396-405. [PMID: 26972335 DOI: 10.1111/clr.12812] [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] [Accepted: 01/24/2016] [Indexed: 11/28/2022]
Abstract
OBJECTIVES The aim of this study was to investigate the effects of static magnetic fields (SMFs) on bone regeneration around titanium implants by μCT, histologic analysis, microarrays, and quantitative real-time PCR (qRT-PCR). MATERIALS AND METHODS Neodymium magnets provided the source of SMFs, the specimens were grade 5 titanium implants, and the animals were twenty-seven adult male New Zealand white rabbits. These implants were divided into six groups according to the presence of a magnet and predetermined healing period (1, 4, and 8 weeks). Each group comprised six specimens for μCT (n = 6) and histologic examination, and three specimens (n = 3) for microarrays and qRT-PCR, yielding a total of 54 specimens. RESULTS The μCT data showed that SMFs increased bone volume fraction (bone volume/total volume, BV/TV), trabecular number (Tb.N), and trabecular thickness (Tb.Th). Histologic observation indicated that SMFs promoted new bone formation and direct bony contact with implants. Microarray analysis identified 293 genes upregulated (>twofold) in response to SMFs. The upregulated genes included extracellular matrix (ECM)-related genes (COL10A1, COL9A1, and COL12A1) and growth factor (GF)-related genes (CTGF and PDGFD), and the upregulation was confirmed by qRT-PCR. Gene Ontology (GO) and pathway analysis revealed the involvement of the mitogen-activated protein kinase (MAPK), Wnt, and PPAR-gamma signaling pathways in implant healing. CONCLUSIONS μCT, histology, microarrays, and real-time PCR indicate that SMFs could be an effective approach to improving bone regeneration around dental implants.
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Affiliation(s)
- Eun-Cheol Kim
- Department of Oral and Maxillofacial Pathology, School of Dentistry and Institute of Oral Biology, Kyung Hee University, Seoul, Korea
| | - Richard Leesungbok
- Department of Biomaterials & Prosthodontics, School of Dentistry, Kyung Hee University, Gangdong, Korea
| | - Suk-Won Lee
- Department of Biomaterials & Prosthodontics, School of Dentistry, Kyung Hee University, Gangdong, Korea
| | - Ji-Youn Hong
- Department of Periodontology, School of Dentistry, Kyung Hee University, Seoul, Korea
| | - Eun-Jin Ko
- Department of Biomaterials & Prosthodontics, School of Dentistry, Kyung Hee University, Gangdong, Korea
| | - Su-Jin Ahn
- Department of Biomaterials & Prosthodontics, School of Dentistry, Kyung Hee University, Gangdong, Korea
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Xinbo X, Xinye N, Dong Z. Functions of the Mg–HA coating on carbon/carbon composite surface to promote the proliferation and osteogenic differentiation of mBMSCs. RSC Adv 2016. [DOI: 10.1039/c6ra20481c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
This study aims to evaluate the functions of the Mg–hydroxyapatite (Mg–HA) bio-coating on carbon/carbon composite (C/C) surface to promote the proliferation and osteogenic differentiation of bone mesenchymal stem cell (BMSCs).
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Affiliation(s)
- Xiong Xinbo
- Shenzhen Key Laboratory of Special Functional Materials
- Shenzhen Engineering Laboratory for Advanced Technology of Ceramics
- Department of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
| | - Ni Xinye
- Second People's Hospital of Changzhou
- Nanjing Medical University
- Changzhou 213003
- China
| | - Zhou Dong
- Second People's Hospital of Changzhou
- Nanjing Medical University
- Changzhou 213003
- China
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