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Martinez DC, Borkam-Schuster A, Helmholz H, Dobkowska A, Luthringer-Feyerabend B, Płociński T, Willumeit-Römer R, Święszkowski W. Bone cells influence the degradation interface of pure Mg and WE43 materials: Insights from multimodal in vitro analysis. Acta Biomater 2024:S1742-7061(24)00460-4. [PMID: 39168423 DOI: 10.1016/j.actbio.2024.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 06/28/2024] [Accepted: 08/12/2024] [Indexed: 08/23/2024]
Abstract
In this study, the interaction of pure Mg and WE43 alloy under the presence of osteoblast (OB) and osteoclast (OC) cells and their influence on the degradation of materials have been deeply analyzed. Since OB and OC interaction has an important role in bone remodeling, we examined the surface morphology and dynamic changes in the chemical composition and thickness of the corrosion layers formed on pure Mg and WE43 alloy by direct monoculture and coculture of pre-differentiated OB and OC cells in vitro. Electrochemical techniques examined the corrosion performance. The corrosion products were characterized using a combination of the focused ion beam (FIB), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). Cell viability and morphology were assessed by fluorescent microscopy and SEM. Our findings demonstrate cell spread and attachment variations, which differ depending on the Mg substrates. It was clearly shown that cell culture groups delayed degradation processes with the lowest corrosion rate observed in the presence of OBOC coculture for the WE43 substrate. Ca-P enrichment was observed in the outer-middle region of the corrosion layer but only after 7 days of OBOC coculture on WE43 and after 14 days on the pure Mg specimens. STATEMENT OF SIGNIFICANCE: Magnesium metallic materials that can degrade over time provide distinct opportunities for orthopedic application. However, there is still a lack, especially in elucidating cell-material interface characterization. This study investigated the influence of osteoblast-osteoclast coculture in direct Mg-material contact. Our findings demonstrated that pre-differentiated osteoblasts and osteoclasts cocultured on Mg substrates influenced the chemistry of the corrosion layers. The cell spread and attachment were Mg substrate-dependent. The findings of coculturing bone cells directly on Mg materials within an in vitro model provide an effective approach for studying the dynamic degradation processes of Mg alloys while also elucidating cell behavior and their potential contribution to the degradation of these alloys.
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Affiliation(s)
- Diana C Martinez
- Biomaterials Group, Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, Poland
| | - Anke Borkam-Schuster
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon GmbH, 21502 Geesthacht, Germany
| | - Heike Helmholz
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon GmbH, 21502 Geesthacht, Germany
| | - Anna Dobkowska
- Biomaterials Group, Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, Poland
| | | | - Tomasz Płociński
- Biomaterials Group, Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, Poland
| | - Regine Willumeit-Römer
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon GmbH, 21502 Geesthacht, Germany
| | - Wojciech Święszkowski
- Biomaterials Group, Materials Design Division, Faculty of Materials Science and Engineering, Warsaw University of Technology, Woloska 141, 02-507 Warsaw, Poland.
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2
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Gong M, Yang X, Li Z, Yu A, Liu Y, Guo H, Li W, Xu S, Xiao L, Li T, Zou W. Surface engineering of pure magnesium in medical implant applications. Heliyon 2024; 10:e31703. [PMID: 38845950 PMCID: PMC11153198 DOI: 10.1016/j.heliyon.2024.e31703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/18/2024] [Accepted: 05/21/2024] [Indexed: 06/09/2024] Open
Abstract
This review comprehensively surveys the latest advancements in surface modification of pure magnesium (Mg) in recent years, with a focus on various cost-effective procedures, comparative analyses, and assessments of outcomes, addressing the merits and drawbacks of pure Mg and its alloys. Diverse economically feasible methods for surface modification, such as hydrothermal processes and ultrasonic micro-arc oxidation (UMAO), are discussed, emphasizing their exceptional performance in enhancing surface properties. The attention is directed towards the biocompatibility and corrosion resistance of pure Mg, underscoring the remarkable efficacy of techniques such as Ca-deficientca-deficient hydroxyapatite (CDHA)/MgF2 bi-layer coating and UMAO coating in electrochemical processes. These methods open up novel avenues for the application of pure Mg in medical implants. Emphasis is placed on the significance of adhering to the principles of reinforcing the foundation and addressing the source. The advocacy is for a judicious approach to corrosion protection on high-purity Mg surfaces, aiming to optimize the overall mechanical performance. Lastly, a call is made for future in-depth investigations into areas such as composite coatings and the biodegradation mechanisms of pure Mg surfaces, aiming to propel the field towards more sustainable and innovative developments.
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Affiliation(s)
- Mengqi Gong
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
| | - Xiangjie Yang
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
| | - Zhengnan Li
- School of Physics and Materials Science, Nanchang University, Nanchang, 330031, China
| | - Anshan Yu
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
- Dongguan Magna Medical Devices Co., Ltd., Dongguan, 523808, China
- School of Mechanical and Electrical Engineering, Jinggangshan University, Ji'an, 343009, China
| | - Yong Liu
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Lightweight and High Strength Structural Materials of Jiangxi Province, Nanchang, 330031, China
| | - Hongmin Guo
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
- School of Physics and Materials Science, Nanchang University, Nanchang, 330031, China
| | - Weirong Li
- Dongguan Magna Medical Devices Co., Ltd., Dongguan, 523808, China
| | - Shengliang Xu
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
| | - Libing Xiao
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
| | - Tongyu Li
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
| | - Weifeng Zou
- School of Advanced Manufacturing, Nanchang University, Nanchang, 330031, China
- Key Laboratory of Near Net Forming in Jiangxi Province, Nanchang, 330031, China
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Maleki M, Karimi-Soflou R, Karkhaneh A. Raspberry-like PLA/PGS biodegradable microparticles with urethane linkages: Unlocking tailored release of magnesium ions and oxygen for bone tissue engineering. Int J Pharm 2024; 651:123760. [PMID: 38163525 DOI: 10.1016/j.ijpharm.2023.123760] [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: 07/13/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/03/2024]
Abstract
Designing biodegradable microparticles with finely controlled release properties for tissue engineering systems remains a significant scientific challenge. This study introduces a novel approach by fabricating urethane-linked PLA/PGS microparticles loaded with magnesium peroxide. The microparticles offer potential applications in bone tissue engineering due to their ability to provide a controlled release of oxygen and magnesium ions while maintaining physiological pH. The PGS pre-polymer was synthesized via polycondensation and characterized using FTIR, 1H NMR, and GPC. Microparticle morphology transformed from smooth to raspberry-like upon incorporation of PGS, as observed by SEM. Microparticle size was tuned by varying PGS and PLA concentrations. FTIR analysis confirmed the successful formation of urethane links within the microparticles. MgO2-loaded PLA/PGS microparticles exhibited sustained release of dissolved oxygen and magnesium ions for 21 days while maintaining physiological pH better than PLA microparticles. Cell viability assays confirmed microparticle cytocompatibility, and ALP and Alizarin red assays demonstrated their ability to induce osteogenic differentiation. These findings highlight the potential of pH-controlled MgO2-loaded microparticles as an effective system for bone tissue engineering. In conclusion, this study presents a novel approach to designing biodegradable microparticles with adjustable release properties for bone tissue engineering. The urethane-based MgO2-loaded microparticles provide controlled release of oxygen and magnesium ions and regulate the environment's pH, making them a promising system for bone tissue engineering applications.
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Affiliation(s)
- Mina Maleki
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran
| | - Reza Karimi-Soflou
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran
| | - Akbar Karkhaneh
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran.
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Zhao J, Zhou C, Xiao Y, Zhang K, Zhang Q, Xia L, Jiang B, Jiang C, Ming W, Zhang H, Long H, Liang W. Oxygen generating biomaterials at the forefront of regenerative medicine: advances in bone regeneration. Front Bioeng Biotechnol 2024; 12:1292171. [PMID: 38282892 PMCID: PMC10811251 DOI: 10.3389/fbioe.2024.1292171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/02/2024] [Indexed: 01/30/2024] Open
Abstract
Globally, an annual count of more than two million bone transplants is conducted, with conventional treatments, including metallic implants and bone grafts, exhibiting certain limitations. In recent years, there have been significant advancements in the field of bone regeneration. Oxygen tension regulates cellular behavior, which in turn affects tissue regeneration through metabolic programming. Biomaterials with oxygen release capabilities enhance therapeutic effectiveness and reduce tissue damage from hypoxia. However, precise control over oxygen release is a significant technical challenge, despite its potential to support cellular viability and differentiation. The matrices often used to repair large-size bone defects do not supply enough oxygen to the stem cells being used in the regeneration process. Hypoxia-induced necrosis primarily occurs in the central regions of large matrices due to inadequate provision of oxygen and nutrients by the surrounding vasculature of the host tissues. Oxygen generating biomaterials (OGBs) are becoming increasingly significant in enhancing our capacity to facilitate the bone regeneration, thereby addressing the challenges posed by hypoxia or inadequate vascularization. Herein, we discussed the key role of oxygen in bone regeneration, various oxygen source materials and their mechanism of oxygen release, the fabrication techniques employed for oxygen-releasing matrices, and novel emerging approaches for oxygen delivery that hold promise for their potential application in the field of bone regeneration.
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Affiliation(s)
- Jiayi Zhao
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Chao Zhou
- Department of Orthopedics, Zhoushan Guanghua Hospital, Zhoushan, China
| | - Yang Xiao
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Kunyan Zhang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Qiang Zhang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Linying Xia
- Medical Research Center, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Bo Jiang
- Rehabilitation Department, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Chanyi Jiang
- Department of Pharmacy, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Wenyi Ming
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengjian Zhang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengguo Long
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Wenqing Liang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
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Luo X, Li M, Cai H, Yang S, Hao L, Ebel T, Helmholz H, Huang B, Wang X. Degradation Adaptability Assessment of Semisolid Powder Molded Mg-Zn-Mn Alloys for Orthopedic Applications. ACS APPLIED BIO MATERIALS 2023; 6:5515-5530. [PMID: 37982492 DOI: 10.1021/acsabm.3c00710] [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: 11/21/2023]
Abstract
Semisolid powder molding was used to prepare the medical Mg-6Zn alloy; in order to further improve its degradation adaptability, 0.5 and 1 wt % Mn were added. Then, the effect of the forming temperature (540, 560, 580, and 600 °C) on the in vitro degradation behavior of the prepared Mg-6Zn-xMn (x = 0.5, 1 wt %) was analyzed, and the optimized alloy was obtained. Finally, the biocompatibility and in vivo degradation performance of the optimized and Mn-free alloys were evaluated. Importantly, single-photon emission tomographic imaging (SPECT/CT) was first applied to monitor the in vivo degradation process. The results show that the corrosion mechanism of the Mn-free alloy is microgalvanic corrosion control with corrosive pitting. After adding Mn, the in vitro degradation rate decreases by half (0.17 ± 0.01 mm/year) as the forming temperature increases to 600 °C, and Mg-6Zn-1Mn prepared at 600 °C is the optimized alloy. Mn addition improves the corrosion product film protection and discontinuous secondary phases, and thus, the corrosion mechanism is changed to corrosive pitting control. Additionally, semisolid powder molding is an easy method to prepare alloys with low average pore interconnectivity (<10%), which is helpful for slowing down the degradation rate. The Mn-containing alloy has better biocompatibility, with a cytotoxicity of grade 0-1, due to its lower degradation rate. The in vivo corrosion rate of the Mn-free alloy is 0.19 mm/year after 28 days of implantation, which was precisely detected by SPECT/CT in real-time. The long-term in vivo degradation adaptability of Mn-free and Mn-containing alloys was not correctly presented, which may be due to the unreasonable bone defect model causing implant displacement. However, both of these alloys cause no obvious inflammation and show good healing. In summary, semisolid powder molding is a potentially promising technique to prepare medical Mg alloys, and nuclear imaging is an effective in vivo degradation evaluation method.
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Affiliation(s)
- Xia Luo
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, P. R. China
| | - Mingyu Li
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, P. R. China
- Department of Nuclear Medicine & Laboratary of Clinical Nuclear Medicine, West China Hospital of Sichuan University, Chengdu 610041, P. R. China
| | - Huawei Cai
- Department of Nuclear Medicine & Laboratary of Clinical Nuclear Medicine, West China Hospital of Sichuan University, Chengdu 610041, P. R. China
| | - Shanghui Yang
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, P. R. China
| | - Lijing Hao
- National Engineering Research Center for Tissue Restoration and Reconstruction, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, P. R. China
| | - Thomas Ebel
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon GmbH, 21502 Geesthacht, Germany
| | - Heike Helmholz
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Hereon GmbH, 21502 Geesthacht, Germany
| | - Bensheng Huang
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, P. R. China
| | - Xiaohong Wang
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, P. R. China
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Manescu (Paltanea) V, Antoniac I, Antoniac A, Laptoiu D, Paltanea G, Ciocoiu R, Nemoianu IV, Gruionu LG, Dura H. Bone Regeneration Induced by Patient-Adapted Mg Alloy-Based Scaffolds for Bone Defects: Present and Future Perspectives. Biomimetics (Basel) 2023; 8:618. [PMID: 38132557 PMCID: PMC10742271 DOI: 10.3390/biomimetics8080618] [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: 11/14/2023] [Revised: 12/09/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
Treatment of bone defects resulting after tumor surgeries, accidents, or non-unions is an actual problem linked to morbidity and the necessity of a second surgery and often requires a critical healthcare cost. Although the surgical technique has changed in a modern way, the treatment outcome is still influenced by patient age, localization of the bone defect, associated comorbidities, the surgeon approach, and systemic disorders. Three-dimensional magnesium-based scaffolds are considered an important step because they can have precise bone defect geometry, high porosity grade, anatomical pore shape, and mechanical properties close to the human bone. In addition, magnesium has been proven in in vitro and in vivo studies to influence bone regeneration and new blood vessel formation positively. In this review paper, we describe the magnesium alloy's effect on bone regenerative processes, starting with a short description of magnesium's role in the bone healing process, host immune response modulation, and finishing with the primary biological mechanism of magnesium ions in angiogenesis and osteogenesis by presenting a detailed analysis based on a literature review. A strategy that must be followed when a patient-adapted scaffold dedicated to bone tissue engineering is proposed and the main fabrication technologies are combined, in some cases with artificial intelligence for Mg alloy scaffolds, are presented with examples. We emphasized the microstructure, mechanical properties, corrosion behavior, and biocompatibility of each study and made a basis for the researchers who want to start to apply the regenerative potential of magnesium-based scaffolds in clinical practice. Challenges, future directions, and special potential clinical applications such as osteosarcoma and persistent infection treatment are present at the end of our review paper.
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Affiliation(s)
- Veronica Manescu (Paltanea)
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Iulian Antoniac
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
- Academy of Romanian Scientists, 54 Splaiul Independentei, RO-050094 Bucharest, Romania
| | - Aurora Antoniac
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
| | - Dan Laptoiu
- Department of Orthopedics and Trauma I, Colentina Clinical Hospital, 19-21 Soseaua Stefan cel Mare, RO-020125 Bucharest, Romania;
| | - Gheorghe Paltanea
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Robert Ciocoiu
- Faculty of Material Science and Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (V.M.); (A.A.); (R.C.)
| | - Iosif Vasile Nemoianu
- Faculty of Electrical Engineering, National University of Science and Technology Politehnica Bucharest, 313 Splaiul Independentei, District 6, RO-060042 Bucharest, Romania; (G.P.); (I.V.N.)
| | - Lucian Gheorghe Gruionu
- Faculty of Mechanics, University of Craiova, 13 Alexandru Ioan Cuza, RO-200585 Craiova, Romania;
| | - Horatiu Dura
- Faculty of Medicine, Lucian Blaga University of Sibiu, RO-550169 Sibiu, Romania;
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Karmakar R, Dey S, Alam A, Khandelwal M, Pati F, Rengan AK. Attributes of Nanomaterials and Nanotopographies for Improved Bone Tissue Engineering and Regeneration. ACS APPLIED BIO MATERIALS 2023; 6:4020-4041. [PMID: 37691480 DOI: 10.1021/acsabm.3c00549] [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: 09/12/2023]
Abstract
Bone tissue engineering (BTE) is a multidisciplinary area that can solve the limitation of conventional grafting methods by developing viable and biocompatible bone replacements. The three essential components of BTE, i.e., Scaffold material and Cells and Growth factors altogether, facilitate support and guide for bone formation, differentiation of the bone tissues, and enhancement in the cellular activities and bone regeneration. However, there is a scarcity of the appropriate materials that can match the mechanical property as well as functional similarity to native tissue, considering the bone as hard tissue. In such scenarios, nanotechnology can be leveraged upon to achieve the desired aspects of BTE, and that is the key point of this review article. This review article examines the significant areas of nanotechnology research that have an impact on regeneration of bone: (a) scaffold with nanomaterials helps to enhance physicochemical interactions, biocompatibility, mechanical stability, and attachment; (b) nanoparticle-based approaches for delivering bioactive chemicals, growth factors, and genetic material. The article begins with the introduction of components and healing mechanisms of bone and the factors associated with them. The focus of this article is on the various nanotopographies that are now being used in scaffold formation, by describing how they are made, and how these nanotopographies affect the immune system and potential underlying mechanisms. The advantages of 4D bioprinting in BTE by using nanoink have also been mentioned. Additionally, we have investigated the importance of an in silico approach for finding the interaction between drugs and their related receptors, which can help to formulate suitable systems for delivery. This review emphasizes the role of nanoscale approach and how it helps to increase the efficacy of parameters of scaffold as well as drug delivery system for tissue engineering and bone regeneration.
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Affiliation(s)
- Rounik Karmakar
- Department of Biomedical Engineering, Indian Institute of Technology (IIT), Hyderabad, Kandi-502285, Sangareddy, Telangana, India
| | - Sreenath Dey
- Department of Biomedical Engineering, Indian Institute of Technology (IIT), Hyderabad, Kandi-502285, Sangareddy, Telangana, India
| | - Aszad Alam
- Department of Materials Science and Metallurgical Engineering, Indian Institute of Technology, Hyderabad, Kandi-502285, Sangareddy, Telangana, India
| | - Mudrika Khandelwal
- Department of Materials Science and Metallurgical Engineering, Indian Institute of Technology, Hyderabad, Kandi-502285, Sangareddy, Telangana, India
| | - Falguni Pati
- Department of Biomedical Engineering, Indian Institute of Technology (IIT), Hyderabad, Kandi-502285, Sangareddy, Telangana, India
| | - Aravind Kumar Rengan
- Department of Biomedical Engineering, Indian Institute of Technology (IIT), Hyderabad, Kandi-502285, Sangareddy, Telangana, India
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8
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Shunmugasamy VC, AbdelGawad M, Sohail MU, Ibrahim T, Khan T, Seers TD, Mansoor B. In vitro and in vivo study on fine-grained Mg-Zn-RE-Zr alloy as a biodegradeable orthopedic implant produced by friction stir processing. Bioact Mater 2023; 28:448-466. [PMID: 37408797 PMCID: PMC10319224 DOI: 10.1016/j.bioactmat.2023.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/31/2023] [Accepted: 06/16/2023] [Indexed: 07/07/2023] Open
Abstract
Magnesium alloys containing biocompatible components show tremendous promise for applications as temporary biomedical devices. However, to ensure their safe use as biodegradeable implants, it is essential to control their corrosion rates. In concentrated Mg alloys, a microgalvanic coupling between the α-Mg matrix and secondary precipitates exists which results in increased corrosion rate. To address this challenge, we engineered the microstructure of a biodegradable Mg-Zn-RE-Zr alloy by friction stir processing (FSP), improving its corrosion resistance and mechanical properties simultaneously. The FS processed alloy with refined grains and broken and uniformly distributed secondary precipitates showed a relatively uniform corrosion morphology accompanied with the formation of a stable passive layer on the alloy surface. In vivo corrosion evaluation of the processed alloy in a small animal model showed that the material was well-tolerated with no signs of inflammation or harmful by-products. Remarkably, the processed alloy supported bone until it healed till eight weeks with a low in vivo corrosion rate of 0.7 mm/year. Moreover, we analyzed blood and histology of the critical organs such as liver and kidney, which showed normal functionality and consistent ion and enzyme levels, throughout the 12-week study period. These results demonstrate that the processed Mg-Zn-RE-Zr alloy offers promising potential for osseointegration in bone tissue healing while also exhibiting controlled biodegradability due to its engineered microstructure. The results from the present study will have profound benefit for bone fracture management, particularly in pediatric and elderly patients.
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Affiliation(s)
| | - Marwa AbdelGawad
- Mechanical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
- Department of Mechanical Engineering, Texas A&M University, 3123 TAMU, College Station, TX 77843, USA
| | | | - Talal Ibrahim
- Department of Surgery, Division of Orthopedic Surgery, Sidra Medicine, Doha, Qatar
- Clinical Orthopedic Surgery, Weill Cornell Medicine, Education City, Doha, Qatar
| | - Talha Khan
- Petroleum Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Thomas Daniel Seers
- Petroleum Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
| | - Bilal Mansoor
- Mechanical Engineering Program, Texas A&M University at Qatar, Education City, Doha, Qatar
- Department of Mechanical Engineering, Texas A&M University, 3123 TAMU, College Station, TX 77843, USA
- Department of Materials Science and Engineering, Texas A&M University, 3003 TAMU, College Station, TX 77843, USA
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9
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Wang X, Qian Y, Wang S, Wang M, Sun K, Cheng Z, Shao Y, Zhang S, Tang C, Chu C, Xue F, Tao L, Lu M, Bai J. Accumulative Rolling Mg/PLLA Composite Membrane with Lamellar Heterostructure for Enhanced Bacteria Inhibition and Rapid Bone Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301638. [PMID: 37345962 DOI: 10.1002/smll.202301638] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/19/2023] [Indexed: 06/23/2023]
Abstract
Developing composite materials with optimized mechanics, degradation, and bioactivity for bone regeneration has long been a crucial mission. Herein, a multifunctional Mg/Poly-l-lactic acid (Mg/PLLA) composite membrane based on the "materials plain" concept through the accumulative rolling (AR) method is proposed. Results show that at a rolling ratio of 75%, the comprehensive mechanical properties of the membrane in the rolling direction are self-reinforced significantly (elongation at break ≈53.2%, tensile strength ≈104.0 MPa, Young's modulus ≈2.13 GPa). This enhancement is attributed to the directional arrangement and increased crystallization of PLLA molecular chains, as demonstrated by SAXS and DSC results. Furthermore, the AR composite membrane presents a lamellar heterostructure, which not only avoids the accumulation of Mg microparticles (MgMPs) but also regulates the degradation rate. Through the contribution of bioactive MgMPs and their photothermal effect synergistically, the membrane effectively eliminates bacterial infection and accelerates vascularized bone regeneration both in vitro and in vivo. Notably, the membrane exhibits outstanding rat skull bone regeneration performance in only 4 weeks, surpassing most literature reports. In short, this work develops a composite membrane with a "one stone, four birds" effect, opening an efficient avenue toward high-performance orthopedic materials.
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Affiliation(s)
- Xianli Wang
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Yuxin Qian
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Shuang Wang
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Mingxi Wang
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Ke Sun
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Zhaojun Cheng
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Yi Shao
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Shixuan Zhang
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Chunbo Tang
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Chenglin Chu
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Feng Xue
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Li Tao
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
| | - Mengmeng Lu
- Department of Oral Implantology, Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, 210029, China
- Jiangsu Province Key Laboratory of Oral Diseases, Nanjing, 210029, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, China
| | - Jing Bai
- School of Materials Science and Engineering, Southeast University, Jiangning, Nanjing, Jiangsu, 211189, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Jiangning, Nanjing, Jiangsu, 211189, China
- Institute of Medical Devices (Suzhou), Southeast University, Suzhou, 215000, China
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10
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Zhou Y, Wang D, Yang Y. Biodegradation and Cell Behavior of a Mg-Based Composite with Mesoporous Bioglass. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6248. [PMID: 37763526 PMCID: PMC10533000 DOI: 10.3390/ma16186248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023]
Abstract
Biodegradable magnesium (Mg) and its alloys show tremendous potential as orthopedic materials. Nevertheless, the fast degradation and insufficient osteogenic properties hinder their applications. In this study, mesoporous bioglass (MBG) with an ordered branch-like structure was synthesized via a modified sol-gel method and showed a high specific surface area of 656.45 m2/g. A Mg-based composite was prepared by introducing the MBG into a Mg matrix via powder metallurgy. Degradation tests showed that the introduction of MBG increased the adsorption sites for Ca and P ions, thus promoting the formation of a Ca-P protective layer on the Mg matrix. The Ca-P protective layer became thick and dense with an increase in the immersion time, improving the protection ability of the Mg matrix, as proven by electrochemical impedance spectroscopy measurements. Meanwhile, the Mg-based composite also exhibited excellent biocompatibility and osteogenic properties. This study demonstrated the advantages of MBG in the preparation of Mg-based bone implants and validated the feasibility of improving Mg matrix corrosion resistance and enhancing osteogenesis by introducing MBG.
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Affiliation(s)
- Yan Zhou
- Key Laboratory of Construction Hydraulic Robots, Anhui Higher Education Institutes, Tongling University, Tongling 244061, China;
| | - Dongsheng Wang
- Key Laboratory of Construction Hydraulic Robots, Anhui Higher Education Institutes, Tongling University, Tongling 244061, China;
| | - Youwen Yang
- Key Laboratory of Construction Hydraulic Robots, Anhui Higher Education Institutes, Tongling University, Tongling 244061, China;
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
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11
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Zhao G, Wang S, Wang G, Zhang B, Huang H, Yao Y. Enhancing bone formation using absorbable AZ31B magnesium alloy membranes during distraction osteogenesis: A new material study. Heliyon 2023; 9:e18032. [PMID: 37534007 PMCID: PMC10391921 DOI: 10.1016/j.heliyon.2023.e18032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 06/24/2023] [Accepted: 07/05/2023] [Indexed: 08/04/2023] Open
Abstract
Purpose To investigate whether the use of absorble AZ31B magnesium alloys over distraction gaps improves the quality and quantity of regenerated bone better than the use of Collagen membranes. Methods Fifteen mixed-breed dogs were randomly divided into the experimental (n = 10) and control (n = 5) groups. In the experimental group, two devices were implanted along the mandible; one side with absorble AZ31B and the other side with Collagen. The control animals did not undergo osteotomy or distraction. After a consolidation time of two months, 30 specimens were harvested, and newly created bone was identified using CBCT and micro-CT. Results The Collagen membranes were absorbed completely, and the AZ31B membranes became irregular and rough. Mandible length was successfully extended approximately 1 cm. More bone formation was found after using AZ31B than Collagen, and there was a significant difference in width reduction between experimental sites treated with AZ31B (0.11 ± 0.04 cm) and Collagen (0.42 ± 0.06 cm) (p < 0.05). Trabecular thickness was also significantly higher in AZ31B (0.338 ± 0.08 cm) and control (0.417 ± 0.05 cm) than Collagen (0.178 ± 0.04 cm) (p < 0.05). Conclusion An AZ31B membrane barrier is biocompatible and absorbable which can maintain the distraction gap and provide support to the attached osteoprogenitors by providing space for them to proliferate.
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Affiliation(s)
- Guiran Zhao
- Department of Oral and Maxillofacial Surgery. First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province, China
| | - Shu Wang
- Second Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province, China
| | - Guijun Wang
- First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province, China
| | - Bin Zhang
- First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province, China
| | - Han Huang
- First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, Liaoning Province, China
| | - Yusheng Yao
- Third Affiliated Hospital of Jinzhou Medical University, No.2, Section5, Heping Road, Linghe District, Jinzhou City, Liaoning Province, China
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12
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Yu L, Gao T, Li W, Yang J, Liu Y, Zhao Y, He P, Li X, Guo W, Fan Z, Dai H. Carboxymethyl chitosan-alginate enhances bone repair effects of magnesium phosphate bone cement by activating the FAK-Wnt pathway. Bioact Mater 2023; 20:598-609. [PMID: 35846837 PMCID: PMC9256840 DOI: 10.1016/j.bioactmat.2022.06.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 11/17/2022] Open
Abstract
There is a continuing need for artificial bone substitutes for bone repair and reconstruction, Magnesium phosphate bone cement (MPC) has exceptional degradable properties and exhibits promising biocompatibility. However, its mechanical strength needs improved and its low osteo-inductive potential limits its therapeutic application in bone regeneration. We functionally modified MPC by using a polymeric carboxymethyl chitosan-sodium alginate (CMCS/SA) gel network. This had the advantages of: improved compressive strength, ease of handling, and an optimized interface for bioactive bone in-growth. The new composites with 2% CMCS/SA showed the most favorable physicochemical properties, including mechanical strength, wash-out resistance, setting time, injectable time and heat release. Biologically, the composite promoted the attachment and proliferation of osteoblast cells. It was also found to induce osteogenic differentiation in vitro, as verified by expression of osteogenic markers. In terms of molecular mechanisms, data showed that new bone cement activated the Wnt pathway through inhibition of the phosphorylation of β-catenin, which is dependent on focal adhesion kinase. Through micro-computed tomography and histological analysis, we found that the MPC-CMCS/SA scaffolds, compared with MPC alone, showed increased bone regeneration in a rat calvarial defect model. Overall, our study suggested that the novel composite had potential to help repair critical bone defects in clinical practice. CMCS/SA improves the mechanical strength of MPC while minimizing tissue damage. The MPC-CMCS/SA composite is easily manipulable for clinical application. MPC-CMCS/SA has good biocompatibility, and is easier for cell adhesion and proliferation. The MPC-CMCS/SA composite enhances osteogenic differentiation in vitro through the integrin-FAK-Wnt axis. The MPC-CMCS/SA composite enhances critical bone defect repair in vivo.
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13
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Liu S, Yang H, Zhang L, Bianco A, Ma B, Ge S. Multifunctional barrier membranes promote bone regeneration by scavenging H2O2, generating O2, eliminating inflammation, and regulating immune response. Colloids Surf B Biointerfaces 2023. [DOI: 10.1016/j.colsurfb.2023.113147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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14
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Martynenko N, Anisimova N, Rybalchenko O, Kiselevskiy M, Rybalchenko G, Tabachkova N, Zheleznyi M, Temralieva D, Bazhenov V, Koltygin A, Sannikov A, Dobatkin S. Structure, Biodegradation, and In Vitro Bioactivity of Zn-1%Mg Alloy Strengthened by High-Pressure Torsion. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15249073. [PMID: 36556879 PMCID: PMC9784155 DOI: 10.3390/ma15249073] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/11/2022] [Accepted: 12/16/2022] [Indexed: 05/27/2023]
Abstract
The effect of high-pressure torsion (HPT) on the microstructure, phase composition, mechanical characteristics, degradation rate, and bioactive properties of the Zn-1%Mg alloy is studied. An ultrafine-grained (UFG) structure with an average grain size of α-Zn equal to 890 ± 26 nm and grains and subgrains of the Mg2Zn11 and MgZn2 phases with a size of 50-100 nm are formed after HPT. This UFG structure leads to an increase in the ultimate tensile strength of the alloy by ~3 times with an increase in elongation to 6.3 ± 3.3% due to the formation of a basal texture. The study of corrosion resistance did not show a significant effect of HPT on the degradation rate of the alloy. In addition, no significant changes in the bioactivity of the alloy after HPT: hemolysis, cellular colonization and Escherichia coli growth inhibition.
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Affiliation(s)
- Natalia Martynenko
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
| | - Natalia Anisimova
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
- Center for Biomedical Engineering, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
- N.N. Blokhin National Medical Research Center of Oncology (N.N. Blokhin NMRCO) of the Ministry of Health of the Russian Federation, 115478 Moscow, Russia
| | - Olga Rybalchenko
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
| | - Mikhail Kiselevskiy
- Center for Biomedical Engineering, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
- N.N. Blokhin National Medical Research Center of Oncology (N.N. Blokhin NMRCO) of the Ministry of Health of the Russian Federation, 115478 Moscow, Russia
| | - Georgy Rybalchenko
- P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Natalia Tabachkova
- A.M. Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
- Department of Physical Materials Science, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
| | - Mark Zheleznyi
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
- Department of Physical Materials Science, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
- Institute of Innovative Engineering Technologies, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia
| | - Diana Temralieva
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
| | - Viacheslav Bazhenov
- Casting Department, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
| | - Andrey Koltygin
- Casting Department, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
| | - Andrey Sannikov
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
- Casting Department, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
| | - Sergey Dobatkin
- A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Leninskiy Prospect, 49, 119334 Moscow, Russia
- Department of Metal Science and Physics of Strength, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
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15
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Biodegradable Mg-Sc-Sr Alloy Improves Osteogenesis and Angiogenesis to Accelerate Bone Defect Restoration. J Funct Biomater 2022; 13:jfb13040261. [PMID: 36547521 PMCID: PMC9787880 DOI: 10.3390/jfb13040261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 11/23/2022] Open
Abstract
Magnesium (Mg) and its alloys are considered to be biodegradable metallic biomaterials for potential orthopedic implants. While the osteogenic properties of Mg alloys have been widely studied, few reports focused on developing a bifunctional Mg implant with osteogenic and angiogenic properties. Herein, a Mg-Sc-Sr alloy was developed, and this alloy's angiogenesis and osteogenesis effects were evaluated in vitro for the first time. X-ray Fluorescence (XRF), X-ray diffraction (XRD), and metallography images were used to evaluate the microstructure of the developed Mg-Sc-Sr alloy. Human umbilical vein/vascular endothelial cells (HUVECs) were used to evaluate the angiogenic character of the prepared Mg-Sc-Sr alloy. A mix of human bone-marrow-derived mesenchymal stromal cells (hBM-MSCs) and HUVEC cell cultures were used to assess the osteogenesis-stimulating effect of Mg-Sc-Sr alloy through alkaline phosphatase (ALP) and Von Kossa staining. Higher ALP activity and the number of calcified nodules (27% increase) were obtained for the Mg-Sc-Sr-treated groups compared to Mg-treated groups. In addition, higher VEGF expression (45.5% increase), tube length (80.8% increase), and number of meshes (37.9% increase) were observed. The Mg-Sc-Sr alloy showed significantly higher angiogenesis and osteogenic differentiation than pure Mg and the control group, suggesting such a composition as a promising candidate in bone implants.
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16
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Dong J, Lin P, Putra N, Tümer N, Leeflang M, Huan Z, Fratila-Apachitei L, Chang J, Zadpoor A, Zhou J. Extrusion-based additive manufacturing of Mg-Zn/bioceramic composite scaffolds. Acta Biomater 2022; 151:628-646. [DOI: 10.1016/j.actbio.2022.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/09/2022] [Accepted: 08/01/2022] [Indexed: 11/01/2022]
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17
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Systems, Properties, Surface Modification and Applications of Biodegradable Magnesium-Based Alloys: A Review. MATERIALS 2022; 15:ma15145031. [PMID: 35888498 PMCID: PMC9316815 DOI: 10.3390/ma15145031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 02/07/2023]
Abstract
In recent years, biodegradable magnesium (Mg) alloys have attracted the attention of many researchers due to their mechanical properties, excellent biocompatibility and unique biodegradability. Many Mg alloy implants have been successfully applied in clinical medicine, and they are considered to be promising biological materials. In this article, we review the latest research progress in biodegradable Mg alloys, including research on high-performance Mg alloys, bioactive coatings and actual or potential clinical applications of Mg alloys. Finally, we review the research and development direction of biodegradable Mg alloys. This article has a guiding significance for future development and application of high-performance biodegradable Mg alloys, promoting the future advancement of the magnesium alloy research field, especially in biomedicine.
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18
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Qi H, Liu Y, Wu L, Liu C, Ni S, Liu Q, Ni X, Sun Q. Mg-HA-C/C Composites Promote Osteogenic Differentiation and Repair Bone Defects Through Inhibiting miR-16. Front Bioeng Biotechnol 2022; 10:838842. [PMID: 35186909 PMCID: PMC8854763 DOI: 10.3389/fbioe.2022.838842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 01/10/2022] [Indexed: 11/13/2022] Open
Abstract
The hydroxyapatite (HA) coating on carbon/carbon (C/C) is reasonable and feasible to obtain bone graft materials with appropriate mechanical and biological properties. However, improvement of the physical and chemical properties of HA-C/C composites to promote bone regeneration and healing remains a challenge. In our present study, the HA coatings on C/C with magnesium (Mg) (Mg-HA-C/C) composites were synthesized that Ca (NO3)2, Mg (NO3)2, and NH4H2PO4 were mixed and coatings were made by electromagnetic induction deposition’s heating. As determined with in vitro experiments, Mg-HA-C/C composites containing 10 and 20% Mg decreased miR-16 levels, increased cell viability, elevated the levels of osteogenesis-related genes, and promoted osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) seeded on their surfaces. In a rat model of skull defects, compared to the control group, at 4 and 12 weeks after the operation, the bone volume fraction (BV/TV) of Mg-HA-C/C composite group was increased by 8.439 ± 2.681% and 23.837 ± 7.845%, as well as the trabecular thickness (Tb.Th) was 56.247 ± 24.238 μm and 114.911 ± 34.015 μm more. These composites also increased the levels of ALP and RUNX2 in skull. The Mg-HA-C/C composite-enhanced bone regeneration and healing were blocked by in situ injection of an miR-16 mimic lentivirus vector. Thus, Mg-HA-C/C composites promote osteogenic differentiation and repair bone defects through inhibiting miR-16.
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Affiliation(s)
- Hong Qi
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yang Liu
- Department of Orthopedics, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Lu Wu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chun Liu
- Second People’s Hospital of Changzhou, Nanjing Medical University, Changzhou, China
| | - Su Ni
- Second People’s Hospital of Changzhou, Nanjing Medical University, Changzhou, China
| | - Qizhan Liu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xinye Ni
- Second People’s Hospital of Changzhou, Nanjing Medical University, Changzhou, China
- *Correspondence: Xinye Ni, ; Qiang Sun,
| | - Qiang Sun
- Department of Orthopedics, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- *Correspondence: Xinye Ni, ; Qiang Sun,
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19
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Li Q, Xie B, Liu X, Liang W, Zhang X, Wang Y. Effects of Mg-Nd-Gd-Sr alloy on bone marrow mesenchymal stem cell function derived from SD rats. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221120979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Introduction The aim of this study was to determine the effect of a new type of Mg-3Nd-1Gd-0.3Sr-0.2Zn-0.4Zr (abbreviated to Mg-Nd-Gd-Sr) alloy on bone marrow mesenchymal stem cell (BMSCs) function derived from SD rats. Methods BMSCs were first isolated and cultured in vitro using the whole bone marrow adherence method, and identified by BMSC surface biomarkers and osteogenic induction. The in vitro biological safety of the Mg-Nd-Gd-Sr alloy was studied by cytotoxicity and apoptosis experiments, and the in vitro biological functions were studied by cell adhesion and cell proliferation experiments. Results The results showed that high-purity BMSCs were isolated using the whole bone marrow adherence method. Flow cytometry showed high expression of CD44 and CD90, and low expression of CD31 and CD45 in the BMSCs. Osteogenic induction showed that the BMSCs differentiated into osteoblasts, and mineralized nodules were observed. The cytotoxicity of the Mg-Nd-Gd-Sr alloy to SD rat BMSCs was 0–1 grade, suggesting that the Mg-Nd-Gd-Sr alloy had no significant cytotoxic effect on SD rat BMSCs; compared with the control group, there was no significant cell apoptosis in any of the experimental groups ( p > 0.05). Cell adhesion experiments showed that the number of adherent cells increased with the duration of culture with the exception of the 100% concentration group; compared with the control group, the 75% concentration group had the highest number of adherent cells at the 1st, 3rd, 5th, and 7th hours ( p < 0.05). Cell proliferation experiments showed that the number of cells in all experiment groups was higher than the control group ( p < 0.05) on the 1st, 3rd, 5th, and 7th days, with the highest number of cells in the 75% concentration group ( p < 0.05). Conclusion Our data indicate that the extracts of new type of Mg-Nd-Gd-Sr alloy has no apparent cytotoxicity to BMSCs, does not affect cell apoptosis, and has good biocompatibility. Different concentrations of Mg-Nd-Gd-Sr alloy extracts promoted the adhesion and proliferation of BMSCs. The alloy had good biological functions, and is thus a promising bone repair material.
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Affiliation(s)
- Qiangqiang Li
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, China
| | - Ben Xie
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xiaorong Liu
- College of Clinical Medicine, Northwest University for Nationalities, Lanzhou, China
- Department of Laboratory, The Second People’s Hospital of Gansu Province, Lanzhou, China
| | - Wenqiang Liang
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xiaobo Zhang
- School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing, China
| | - Yongping Wang
- Department of Orthopedics, The First Hospital of Lanzhou University, Lanzhou, China
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