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de Azevedo-Silva LJ, Ferrairo BM, Minim PR, Pereira LF, Oliveira KD, Goulart CA, Lisboa-Filho PN, Fortulan CA, Sanches Borges AF. Bovine hydroxyapatite/3Y-TZP bioceramic: Aligning 3Y-TZP content with sintering parameters. J Mech Behav Biomed Mater 2024; 156:106569. [PMID: 38776741 DOI: 10.1016/j.jmbbm.2024.106569] [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: 01/31/2024] [Revised: 04/24/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
This study aimed to produces and characterize bovine hydroxyapatite (HA) bioceramic with 3Y-TZP addition and analyze different sintering curves. HA was extracted from bovine bones and nanoparticulated. HA discs (0, 1, 5 and 10 wt% 3Y-TZP) were subjected to uniaxial and isostatic pressing. Dilatometry analysis was performed and the groups were sintered using 3 different firing curves (conventional, 1300 °C; 2-step, 1292 °C; 2-step, 1420 °C). The samples were analyzed by X-ray diffraction (XRD), biaxial flexural strength (BFS), Vickers microhardness (VH) and Field emission scanning electron microscopy (FE-SEM). The dilatometry results signaled the need for sintering optimization in groups added with 3Y-TZP. XRD demonstrated the characteristic crystallographic peaks of HA in the pure groups and with 1% 3Y-TZP, and decomposition of HA into β-TCP and formation of calcium zirconate in the groups with 5 and 10% 3Y-TZP. Considering each composition, the groups of pure HA (131.3 ± 13.5 MPa; 401 ± 12.7 GPa) sintered by the conventional curve and HA+1%3Y-TZP (145 ± 8.6 MPa; 507 ± 47.9 GPa), HA+5%3Y-TZP (68.1 ± 14.2 MPa; 183 ± 9.8 GPa) and HA+10%3Y-TZP (55.6 ± 5.1 MPa; 96.1 ± 7.64 GPa) sintered by the 2-step curve at 1420 °C, combined the best BFS and VH results. The addition of 1 wt% 3Y-TZP and optimization in the sintering process improved the mechanical and microstructural properties of HA bioceramics and maintenance of its crystalline characteristics. Refinement in material processing is necessary for the future use of this bioceramic in dentistry.
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Affiliation(s)
- Lucas José de Azevedo-Silva
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Brunna Mota Ferrairo
- Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Pedro Rodrigues Minim
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Leticia Florindo Pereira
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Karla Druzian Oliveira
- Department of Prosthodontics and Periodontics, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil
| | - Celso Antonio Goulart
- Department of Biosystems Engineering, School of Sciences and Engineering, São Paulo State University, Tupã, SP, Brazil
| | | | - Carlos Alberto Fortulan
- Department of Mechanical Engineering, São Carlos School of Engineering, University of São Paulo, São Carlos, SP, Brazil
| | - Ana Flávia Sanches Borges
- Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.
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2
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Ren Y, Jung O, Batinic M, Burckhardt K, Görke O, Alkildani S, Köwitsch A, Najman S, Stojanovic S, Liu L, Prade I, Barbeck M. Biphasic bone substitutes coated with PLGA incorporating therapeutic ions Sr 2+ and Mg 2+: cytotoxicity cascade and in vivo response of immune and bone regeneration. Front Bioeng Biotechnol 2024; 12:1408702. [PMID: 38978719 PMCID: PMC11228333 DOI: 10.3389/fbioe.2024.1408702] [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: 03/28/2024] [Accepted: 05/27/2024] [Indexed: 07/10/2024] Open
Abstract
The incorporation of bioactive ions into biomaterials has gained significant attention as a strategy to enhance bone tissue regeneration on the molecular level. However, little knowledge exists about the effects of the addition of these ions on the immune response and especially on the most important cellular regulators, the macrophages. Thus, this study aimed to investigate the in vitro cytocompatibility and in vivo regulation of bone remodeling and material-related immune responses of a biphasic bone substitute (BBS) coated with metal ions (Sr2+/Mg2+) and PLGA, using the pure BBS as control group. Initially, two cytocompatible modified material variants were identified according to the in vitro results obtained following the DIN EN ISO 10993-5 protocol. The surface structure and ion release of both materials were characterized using SEM-EDX and ICP-OES. The materials were then implanted into Wistar rats for 10, 30, and 90 days using a cranial defect model. Histopathological and histomorphometrical analyses were applied to evaluate material degradation, bone regeneration, osteoconductivity, and immune response. The findings revealed that in all study groups comparable new bone formation were found. However, during the early implantation period, the BBS_Sr2+ group exhibited significantly faster regeneration compared to the other two groups. Additionally, all materials induced comparable tissue and immune responses involving high numbers of both pro-inflammatory macrophages and multinucleated giant cells (MNGCs). In conclusion, this study delved into the repercussions of therapeutic ion doping on bone regeneration patterns and inflammatory responses, offering insights for the advancement of a new generation of biphasic calcium phosphate materials with potential clinical applicability.
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Affiliation(s)
- Yanru Ren
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Ole Jung
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Milijana Batinic
- Institute of Materials Science and Technology, Chair of Advanced Ceramic Materials, Technical University Berlin, Berlin, Germany
| | - Kim Burckhardt
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
| | - Oliver Görke
- Institute of Materials Science and Technology, Chair of Advanced Ceramic Materials, Technical University Berlin, Berlin, Germany
| | | | | | - Stevo Najman
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Sanja Stojanovic
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, Niš, Serbia
- Scientific Research Center for Biomedicine, Department for Cell and Tissue Engineering, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Luo Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Ina Prade
- FILK Freiberg Institute, Freiberg, Germany
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Rostock, Germany
- BerlinAnalytix GmbH, Berlin, Germany
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3
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Dorozhkin SV. Calcium Orthophosphate (CaPO4) Containing Composites for Biomedical Applications: Formulations, Properties, and Applications. JOURNAL OF COMPOSITES SCIENCE 2024; 8:218. [DOI: 10.3390/jcs8060218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
The goal of this review is to present a wide range of hybrid formulations and composites containing calcium orthophosphates (abbreviated as CaPO4) that are suitable for use in biomedical applications and currently on the market. The bioactive, biocompatible, and osteoconductive properties of various CaPO4-based formulations make them valuable in the rapidly developing field of biomedical research, both in vitro and in vivo. Due to the brittleness of CaPO4, it is essential to combine the desired osteologic properties of ceramic CaPO4 with those of other compounds to create novel, multifunctional bone graft biomaterials. Consequently, this analysis offers a thorough overview of the hybrid formulations and CaPO4-based composites that are currently known. To do this, a comprehensive search of the literature on the subject was carried out in all significant databases to extract pertinent papers. There have been many formulations found with different material compositions, production methods, structural and bioactive features, and in vitro and in vivo properties. When these formulations contain additional biofunctional ingredients, such as drugs, proteins, enzymes, or antibacterial agents, they offer improved biomedical applications. Moreover, a lot of these formulations allow cell loading and promote the development of smart formulations based on CaPO4. This evaluation also discusses basic problems and scientific difficulties that call for more investigation and advancements. It also indicates perspectives for the future.
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Affiliation(s)
- Sergey V. Dorozhkin
- Faculty of Physics, M.V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russia
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4
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Shearer A, Molinaro M, Montazerian M, Sly JJ, Miola M, Baino F, Mauro JC. The unexplored role of alkali and alkaline earth elements (ALAEs) on the structure, processing, and biological effects of bioactive glasses. Biomater Sci 2024; 12:2521-2560. [PMID: 38530228 DOI: 10.1039/d3bm01338c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Bioactive glass has been employed in several medical applications since its inception in 1969. The compositions of these materials have been investigated extensively with emphasis on glass network formers, therapeutic transition metals, and glass network modifiers. Through these experiments, several commercial and experimental compositions have been developed with varying chemical durability, induced physiological responses, and hydroxyapatite forming abilities. In many of these studies, the concentrations of each alkali and alkaline earth element have been altered to monitor changes in structure and biological response. This review aims to discuss the impact of each alkali and alkaline earth element on the structure, processing, and biological effects of bioactive glass. We explore critical questions regarding these elements from both a glass science and biological perspective. Should elements with little biological impact be included? Are alkali free bioactive glasses more promising for greater biological responses? Does this mixed alkali effect show increased degradation rates and should it be employed for optimized dissolution? Each of these questions along with others are evaluated comprehensively and discussed in the final section where guidance for compositional design is provided.
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Affiliation(s)
- Adam Shearer
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Matthew Molinaro
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Maziar Montazerian
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Jessica J Sly
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
| | - Marta Miola
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Torino, Italy.
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Torino, Italy.
| | - John C Mauro
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania, USA.
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Mishchenko O, Yanovska A, Kosinov O, Maksymov D, Moskalenko R, Ramanavicius A, Pogorielov M. Synthetic Calcium-Phosphate Materials for Bone Grafting. Polymers (Basel) 2023; 15:3822. [PMID: 37765676 PMCID: PMC10536599 DOI: 10.3390/polym15183822] [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: 08/25/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Synthetic bone grafting materials play a significant role in various medical applications involving bone regeneration and repair. Their ability to mimic the properties of natural bone and promote the healing process has contributed to their growing relevance. While calcium-phosphates and their composites with various polymers and biopolymers are widely used in clinical and experimental research, the diverse range of available polymer-based materials poses challenges in selecting the most suitable grafts for successful bone repair. This review aims to address the fundamental issues of bone biology and regeneration while providing a clear perspective on the principles guiding the development of synthetic materials. In this study, we delve into the basic principles underlying the creation of synthetic bone composites and explore the mechanisms of formation for biologically important complexes and structures associated with the various constituent parts of these materials. Additionally, we offer comprehensive information on the application of biologically active substances to enhance the properties and bioactivity of synthetic bone grafting materials. By presenting these insights, our review enables a deeper understanding of the regeneration processes facilitated by the application of synthetic bone composites.
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Affiliation(s)
- Oleg Mishchenko
- Department of Surgical and Propaedeutic Dentistry, Zaporizhzhia State Medical and Pharmaceutical University, 26, Prosp. Mayakovskogo, 69035 Zaporizhzhia, Ukraine; (O.M.); (O.K.); (D.M.)
| | - Anna Yanovska
- Theoretical and Applied Chemistry Department, Sumy State University, R-Korsakova Street, 40007 Sumy, Ukraine
| | - Oleksii Kosinov
- Department of Surgical and Propaedeutic Dentistry, Zaporizhzhia State Medical and Pharmaceutical University, 26, Prosp. Mayakovskogo, 69035 Zaporizhzhia, Ukraine; (O.M.); (O.K.); (D.M.)
| | - Denys Maksymov
- Department of Surgical and Propaedeutic Dentistry, Zaporizhzhia State Medical and Pharmaceutical University, 26, Prosp. Mayakovskogo, 69035 Zaporizhzhia, Ukraine; (O.M.); (O.K.); (D.M.)
| | - Roman Moskalenko
- Department of Pathology, Sumy State University, R-Korsakova Street, 40007 Sumy, Ukraine;
| | - Arunas Ramanavicius
- NanoTechnas-Center of Nanotechnology and Materials Science, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko Str. 24, LT-03225 Vilnius, Lithuania
| | - Maksym Pogorielov
- Biomedical Research Centre, Sumy State University, R-Korsakova Street, 40007 Sumy, Ukraine;
- Institute of Atomic Physics and Spectroscopy, University of Latvia, Jelgavas Iela 3, LV-1004 Riga, Latvia
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Che J, Sun T, Lv X, Ma Y, Liu G, Li L, Yuan S, Fan X. Influence of Ag and/or Sr Dopants on the Mechanical Properties and In Vitro Degradation of β-Tricalcium Phosphate-Based Ceramics. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6025. [PMID: 37687718 PMCID: PMC10489148 DOI: 10.3390/ma16176025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023]
Abstract
β-tricalcium phosphate has good biodegradability and biocompatibility; it is widely perceived as a good material for treating bone deficiency. In this research, different contents of strontium (Sr) and silver (Ag) ion-doped β-tricalcium phosphate powders were prepared using the sol-gel method. After obtaining the best ratio of pore-forming agent and binder, the as-synthesized powders were sintered in a muffle for 5 h at 1000 °C to obtain the samples. Then, these samples were degraded in vitro in simulated body fluids. The samples were tested using a series of characterization methods before and after degradation. Results showed that the amount of Sr and/or Ag doping had an effect on the crystallinity and structural parameters of the samples. After degradation, though the compressive strength of these samples decreased overall, the compressive strength of the undoped samples was higher than that of the doped samples. Notably, apatite-like materials were observed on the surface of the samples. All the results indicate that Sr and/or Ag β-TCP has good osteogenesis and proper mechanical properties; it will be applied as a prospective biomaterial in the area of bone repair.
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Affiliation(s)
- Junjian Che
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
| | - Tao Sun
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- Institute of Structured and Architected Materials, Liaoning Academy of Materials, Shenyang 110167, China
| | - Xueman Lv
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- Department of Ophthalmology, China-Japan Union Hospital of Jilin University, Changchun 130031, China
| | - Yunhai Ma
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- Institute of Structured and Architected Materials, Liaoning Academy of Materials, Shenyang 110167, China
- Weihai Institute for Bionics, Jilin University, Weihai 264200, China
| | - Guoqin Liu
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
| | - Lekai Li
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- Weihai Institute for Bionics, Jilin University, Weihai 264200, China
| | - Shengwang Yuan
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
| | - Xueying Fan
- The College of Biological and Agricultural Engineering, Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
- The Key Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University (Nanling Campus), 5988 Renmin Street, Changchun 130022, China
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Kaimonov MR, Safronova TV. Materials in the Na 2O-CaO-SiO 2-P 2O 5 System for Medical Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5981. [PMID: 37687671 PMCID: PMC10488989 DOI: 10.3390/ma16175981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/29/2023] [Accepted: 08/07/2023] [Indexed: 09/10/2023]
Abstract
Calcium phosphate materials and materials based on silicon dioxide have been actively studied for more than 50 years due to their high biocompatibility and bioactivity. Hydroxyapatite and tricalcium phosphate are the most known among calcium phosphate materials, and Bioglass 45S5 is the most known material in the Na2O-CaO-SiO2-P2O5 system. Each of these materials has its application limits; however, some of them can be eliminated by obtaining composites based on calcium phosphate and bioglass. In this article, we provide an overview of the role of silicon and its compounds, including Bioglass 45S5, consider calcium phosphate materials, talk about the limits of each material, demonstrate the potential of the composites based on them, and show the other ways of obtaining composite ceramics in the Na2O-CaO-SiO2-P2O5 system.
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Affiliation(s)
- Maksim R. Kaimonov
- Department of Materials Science, Lomonosov Moscow State University, Leninskie Gory 1, Building 73, 119991 Moscow, Russia
| | - Tatiana V. Safronova
- Department of Materials Science, Lomonosov Moscow State University, Leninskie Gory 1, Building 73, 119991 Moscow, Russia
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1, Building 3, 119991 Moscow, Russia
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8
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Shang J, Zhou C, Jiang C, Huang X, Liu Z, Zhang H, Zhao J, Liang W, Zeng B. Recent developments in nanomaterials for upgrading treatment of orthopedics diseases. Front Bioeng Biotechnol 2023; 11:1221365. [PMID: 37621999 PMCID: PMC10446844 DOI: 10.3389/fbioe.2023.1221365] [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: 05/12/2023] [Accepted: 07/11/2023] [Indexed: 08/26/2023] Open
Abstract
Nanotechnology has changed science in the last three decades. Recent applications of nanotechnology in the disciplines of medicine and biology have enhanced medical diagnostics, manufacturing, and drug delivery. The latest studies have demonstrated this modern technology's potential for developing novel methods of disease detection and treatment, particularly in orthopedics. According to recent developments in bone tissue engineering, implantable substances, diagnostics and treatment, and surface adhesives, nanomedicine has revolutionized orthopedics. Numerous nanomaterials with distinctive chemical, physical, and biological properties have been engineered to generate innovative medication delivery methods for the local, sustained, and targeted delivery of drugs with enhanced therapeutic efficacy and minimal or no toxicity, indicating a very promising strategy for effectively controlling illnesses. Extensive study has been carried out on the applications of nanotechnology, particularly in orthopedics. Nanotechnology can revolutionize orthopedics cure, diagnosis, and research. Drug delivery precision employing nanotechnology using gold and liposome nanoparticles has shown especially encouraging results. Moreover, the delivery of drugs and biologics for osteosarcoma is actively investigated. Different kind of biosensors and nanoparticles has been used in the diagnosis of bone disorders, for example, renal osteodystrophy, Paget's disease, and osteoporosis. The major hurdles to the commercialization of nanotechnology-based composite are eventually examined, thus helping in eliminating the limits in connection to some pre-existing biomaterials for orthopedics, important variables like implant life, quality, cure cost, and pain and relief from pain. The potential for nanotechnology in orthopedics is tremendous, and most of it looks to remain unexplored, but not without challenges. This review aims to highlight the up tp date developments in nanotechnology for boosting the treatment modalities for orthopedic ailments. Moreover, we also highlighted unmet requirements and present barriers to the practical adoption of biomimetic nanotechnology-based orthopedic treatments.
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Affiliation(s)
- Jinxiang Shang
- Department of Orthopedics, Affiliated Hospital of Shaoxing University, Shaoxing, China
| | - Chao Zhou
- Department of Orthopedics, Zhoushan Guanghua Hospital, Zhoushan, China
| | - Chanyi Jiang
- Department of Pharmacy, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Xiaogang Huang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Zunyong Liu
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengjian Zhang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Jiayi Zhao
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Wenqing Liang
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Bin Zeng
- Department of Orthopedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
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9
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Nifant'ev I, Tavtorkin A, Komarov P, Kretov E, Korchagina S, Chinova M, Gavrilov D, Ivchenko P. Dispersant and Protective Roles of Amphiphilic Poly(ethylene phosphate) Block Copolymers in Polyester/Bone Mineral Composites. Int J Mol Sci 2023; 24:11175. [PMID: 37446347 DOI: 10.3390/ijms241311175] [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: 06/15/2023] [Revised: 07/02/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Composites of synthetic bone mineral substitutes (BMS) and biodegradable polyesters are of particular interest for bone surgery and orthopedics. Manufacturing of composite scaffolds commonly uses mixing of the BMS with polymer melts. Melt processing requires a high homogeneity of the mixing, and is complicated by BMS-promoted thermal degradation of polymers. In our work, poly(L-lactide) (PLLA) and poly(ε-caprolactone) (PCL) composites reinforced by commercial β-tricalcium phosphate (βTCP) or synthesized carbonated hydroxyapatite with hexagonal and plate-like crystallite shapes (hCAp and pCAp, respectively) were fabricated using injection molding. pCAp-based composites showed advanced mechanical and thermal characteristics, and the best set of mechanical characteristics was observed for the PLLA-based composite containing 25 wt% of pCAp. To achieve compatibility of polyesters and pCAp, reactive block copolymers of PLLA or PCL with poly(tert-butyl ethylene phosphate) (C1 and C2, respectively) were introduced to the composite. The formation of a polyester-b-poly(ethylene phosphoric acid) (PEPA) compatibilizer during composite preparation, followed by chemical binding of PEPA with pCAp, have been proved experimentally. The presence of 5 wt% of the compatibilizer provided deeper homogenization of the composite, resulting in a marked increase in strength and moduli as well as a more pronounced nucleation effect during isothermal crystallization. The use of C1 increased the thermal stability of the PLLA-based composite, containing 25 wt% of pCAp. In view of positive impacts of polyester-b-PEPA on composite homogeneity, mechanical characteristics, and thermal stability, polyester-b-PEPA will find application in the further development of composite materials for bone surgery and orthopedics.
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Affiliation(s)
- Ilya Nifant'ev
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
- Chemistry Department, M.V. Lomonosov Moscow State University, 1-3 Leninskie Gory, 119991 Moscow, Russia
- Faculty of Chemistry, National Research University Higher School of Economics, Myasnitskaya St. 20, 101100 Moscow, Russia
| | - Alexander Tavtorkin
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
| | - Pavel Komarov
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
| | - Egor Kretov
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
- Faculty of Chemistry, National Research University Higher School of Economics, Myasnitskaya St. 20, 101100 Moscow, Russia
| | - Sofia Korchagina
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
| | - Maria Chinova
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
| | - Dmitry Gavrilov
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
- Chemistry Department, M.V. Lomonosov Moscow State University, 1-3 Leninskie Gory, 119991 Moscow, Russia
| | - Pavel Ivchenko
- A.V. Topchiev Institute of Petrochemical Synthesis RAS, 29 Leninsky Pr., 119991 Moscow, Russia
- Chemistry Department, M.V. Lomonosov Moscow State University, 1-3 Leninskie Gory, 119991 Moscow, Russia
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10
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Aldhaher A, Shahabipour F, Shaito A, Al-Assaf S, Elnour AA, Sallam EB, Teimourtash S, Elfadil AA. 3D hydrogel/ bioactive glass scaffolds in bone tissue engineering: Status and future opportunities. Heliyon 2023; 9:e17050. [PMID: 37483767 PMCID: PMC10362084 DOI: 10.1016/j.heliyon.2023.e17050] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 07/25/2023] Open
Abstract
Repairing significant bone defects remains a critical challenge, raising the clinical demand to design novel bone biomaterials that incorporate osteogenic and angiogenic properties to support the regeneration of vascularized bone. Bioactive glass scaffolds can stimulate angiogenesis and osteogenesis. In addition, natural or synthetic polymers exhibit structural similarity with extracellular matrix (ECM) components and have superior biocompatibility and biodegradability. Thus, there is a need to prepare composite scaffolds of hydrogels for vascularized bone, which incorporate to improve the mechanical properties and bioactivity of natural polymers. In addition, those composites' 3-dimensional (3D) form offer regenerative benefits such as direct doping of the scaffold with ions. This review presents a comprehensive discussion of composite scaffolds incorporated with BaG, focusing on their effects on osteo-inductivity and angiogenic properties. Moreover, the adaptation of the ion-doped hydrogel composite scaffold into a 3D scaffold for the generation of vascularized bone tissue is exposed. Finally, we highlight the challenges and future of manufacturing such biomaterials.
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Affiliation(s)
- Abdullah Aldhaher
- Department of Chemistry, Faculty of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Fahimeh Shahabipour
- Orthopedic Research Center, Mashhad University of Medical Science, Mashhad, Iran
- Skin Research Centre, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | - Abdullah Shaito
- Biomedical Research Center, College of Medicine, And Department of Biomedical Sciences at College of Health Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Saphwan Al-Assaf
- Hydrocolloids Research Centre, University of Chester, Chester, United Kingdom
| | - Ahmed A.M. Elnour
- Faculty of Chemical and Process Engineering Technology, University of Malaysia Pahang-UMP, Malaysia
| | | | - Shahin Teimourtash
- Department of Healthcare Science Center, McMaster University, Toronto, Canada
| | - Abdelgadir A. Elfadil
- Department of Environmental Science, Faculty of Science and Technology, Al-Neelain University, P. O. Box: 12702, Sudan
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11
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Mecca FG, Bellucci D, Cannillo V. Effect of Thermal Treatments and Ion Substitution on Sintering and Crystallization of Bioactive Glasses: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4651. [PMID: 37444965 DOI: 10.3390/ma16134651] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023]
Abstract
Bioactive glasses (BGs) are promising materials for bone regeneration due to their ability to bond with living bone tissue. However, thermal stability and mechanical properties of BGs need improvement for better clinical performance. In this paper, we present an overview of the influence of different ions on the sintering and crystallization of BGs. Specifically, this review focuses on the impact of thermal treatments on the crystallization of 45S5 and other significant BG compositions. Potential applications of these thermally treated BGs, such as scaffolds, BG-based composites, and thermally sprayed coatings, are explored. Moreover, the substitution of ions has been investigated as a method to enhance the thermal properties of BGs. Notably, zinc, potassium, and strontium have been studied extensively and have demonstrated promising effects on both the thermal and the mechanical properties of BGs. However, it is important to note that research on ion inclusion in BGs is still in its early stages, and further investigation is necessary to fully comprehend the effects of different ions on sintering and crystallization. Therefore, future studies should focus on optimizing the ion substitution method to improve the thermal, mechanical, and even biological properties of BGs, thereby enhancing their potential for various biomedical applications.
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Affiliation(s)
- Francesco Gerardo Mecca
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
| | - Devis Bellucci
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
| | - Valeria Cannillo
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
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12
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Matos RJR, Silva JC, Soares PIP, Borges JP. Polyvinylpyrrolidone Nanofibers Incorporating Mesoporous Bioactive Glass for Bone Tissue Engineering. Biomimetics (Basel) 2023; 8:biomimetics8020206. [PMID: 37218792 DOI: 10.3390/biomimetics8020206] [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: 04/17/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 05/24/2023] Open
Abstract
Composite biomaterials that combine osteoconductive and osteoinductive properties are a promising approach for bone tissue engineering (BTE) since they stimulate osteogenesis while mimicking extracellular matrix (ECM) morphology. In this context, the aim of the present research was to produce polyvinylpyrrolidone (PVP) nanofibers containing mesoporous bioactive glass (MBG) 80S15 nanoparticles. These composite materials were produced by the electrospinning technique. Design of experiments (DOE) was used to estimate the optimal electrospinning parameters to reduce average fiber diameter. The polymeric matrices were thermally crosslinked under different conditions, and the fibers' morphology was studied using scanning electron microscopy (SEM). Evaluation of the mechanical properties of nanofibrous mats revealed a dependence on thermal crosslinking parameters and on the presence of MBG 80S15 particles inside the polymeric fibers. Degradation tests indicated that the presence of MBG led to a faster degradation of nanofibrous mats and to a higher swelling capacity. The assessment of in vitro bioactivity in simulated body fluid (SBF) was performed using MBG pellets and PVP/MBG (1:1) composites to assess if the bioactive properties of MBG 80S15 were kept when it was incorporated into PVP nanofibers. FTIR and XRD analysis along with SEM-EDS results indicated that a hydroxy-carbonate apatite (HCA) layer formed on the surface of MBG pellets and nanofibrous webs after soaking in SBF over different time periods. In general, the materials revealed no cytotoxic effects on the Saos-2 cell line. The overall results for the materials produced show the potential of the composites to be used in BTE.
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Affiliation(s)
- Ricardo J R Matos
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology, NOVA University Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Jorge C Silva
- i3N/CENIMAT, Department of Physics, NOVA School of Science and Technology, NOVA University Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Paula I P Soares
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology, NOVA University Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - João Paulo Borges
- i3N/CENIMAT, Department of Materials Science, NOVA School of Science and Technology, NOVA University Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
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13
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Tampieri A, Kon E, Sandri M, Campodoni E, Dapporto M, Sprio S. Marine-Inspired Approaches as a Smart Tool to Face Osteochondral Regeneration. Mar Drugs 2023; 21:md21040212. [PMID: 37103351 PMCID: PMC10145639 DOI: 10.3390/md21040212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/30/2023] Open
Abstract
The degeneration of osteochondral tissue represents one of the major causes of disability in modern society and it is expected to fuel the demand for new solutions to repair and regenerate the damaged articular joints. In particular, osteoarthritis (OA) is the most common complication in articular diseases and a leading cause of chronic disability affecting a steady increasing number of people. The regeneration of osteochondral (OC) defects is one of the most challenging tasks in orthopedics since this anatomical region is composed of different tissues, characterized by antithetic features and functionalities, in tight connection to work together as a joint. The altered structural and mechanical joint environment impairs the natural tissue metabolism, thus making OC regeneration even more challenging. In this scenario, marine-derived ingredients elicit ever-increased interest for biomedical applications as a result of their outstanding mechanical and multiple biologic properties. The review highlights the possibility to exploit such unique features using a combination of bio-inspired synthesis process and 3D manufacturing technologies, relevant to generate compositionally and structurally graded hybrid constructs reproducing the smart architecture and biomechanical functions of natural OC regions.
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14
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Fan L, Ren Y, Emmert S, Vučković I, Stojanovic S, Najman S, Schnettler R, Barbeck M, Schenke-Layland K, Xiong X. The Use of Collagen-Based Materials in Bone Tissue Engineering. Int J Mol Sci 2023; 24:ijms24043744. [PMID: 36835168 PMCID: PMC9963569 DOI: 10.3390/ijms24043744] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
Synthetic bone substitute materials (BSMs) are becoming the general trend, replacing autologous grafting for bone tissue engineering (BTE) in orthopedic research and clinical practice. As the main component of bone matrix, collagen type I has played a critical role in the construction of ideal synthetic BSMs for decades. Significant strides have been made in the field of collagen research, including the exploration of various collagen types, structures, and sources, the optimization of preparation techniques, modification technologies, and the manufacture of various collagen-based materials. However, the poor mechanical properties, fast degradation, and lack of osteoconductive activity of collagen-based materials caused inefficient bone replacement and limited their translation into clinical reality. In the area of BTE, so far, attempts have focused on the preparation of collagen-based biomimetic BSMs, along with other inorganic materials and bioactive substances. By reviewing the approved products on the market, this manuscript updates the latest applications of collagen-based materials in bone regeneration and highlights the potential for further development in the field of BTE over the next ten years.
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Affiliation(s)
- Lu Fan
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Markwiesenstr. 55, 72770 Reutlingen, Germany
- Institute of Biomedical Engineering, Department of Medical Technologies and Regenerative Medicine, Medical Faculty, Eberhard Karls University of Tübingen, Silcherstr. 7/1, 72076 Tübingen, Germany
| | - Yanru Ren
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Strempelstraße 13, 18057 Rostock, Germany
| | - Steffen Emmert
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Strempelstraße 13, 18057 Rostock, Germany
| | - Ivica Vučković
- Department of Maxillofacial Surgery, Clinic for Dental Medicine, 18000 Niš, Serbia
| | - Sanja Stojanovic
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Stevo Najman
- Department for Cell and Tissue Engineering, Scientific Research Center for Biomedicine, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
- Department of Biology and Human Genetics, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
| | - Reinhard Schnettler
- University Medical Centre, Justus Liebig University of Giessen, 35390 Giessen, Germany
| | - Mike Barbeck
- Clinic and Policlinic for Dermatology and Venereology, University Medical Center Rostock, Strempelstraße 13, 18057 Rostock, Germany
- BerlinAnalytix GmbH, Ullsteinstraße 108, 12109 Berlin, Germany
| | - Katja Schenke-Layland
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Markwiesenstr. 55, 72770 Reutlingen, Germany
- Institute of Biomedical Engineering, Department of Medical Technologies and Regenerative Medicine, Medical Faculty, Eberhard Karls University of Tübingen, Silcherstr. 7/1, 72076 Tübingen, Germany
- Correspondence: (K.S.-L.); (X.X.); Tel.: +49-(0)-71215153010 (K.S.-L.); +49+(0)-71215153413 (X.X.)
| | - Xin Xiong
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Markwiesenstr. 55, 72770 Reutlingen, Germany
- Correspondence: (K.S.-L.); (X.X.); Tel.: +49-(0)-71215153010 (K.S.-L.); +49+(0)-71215153413 (X.X.)
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15
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Demir-Oğuz Ö, Boccaccini AR, Loca D. Injectable bone cements: What benefits the combination of calcium phosphates and bioactive glasses could bring? Bioact Mater 2023; 19:217-236. [PMID: 35510175 PMCID: PMC9048153 DOI: 10.1016/j.bioactmat.2022.04.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/21/2022] [Accepted: 04/07/2022] [Indexed: 12/12/2022] Open
Abstract
Out of the wide range of calcium phosphate (CaP) biomaterials, calcium phosphate bone cements (CPCs) have attracted increased attention since their discovery in the 1980s due to their valuable properties such as bioactivity, osteoconductivity, injectability, hardening ability through a low-temperature setting reaction and moldability. Thereafter numerous researches have been performed to enhance the properties of CPCs. Nonetheless, low mechanical performance of CPCs limits their clinical application in load bearing regions of bone. Also, the in vivo resorption and replacement of CPC with new bone tissue is still controversial, thus further improvements of high clinical importance are required. Bioactive glasses (BGs) are biocompatible and able to bond to bone, stimulating new bone growth while dissolving over time. In the last decades extensive research has been performed analyzing the role of BGs in combination with different CaPs. Thus, the focal point of this review paper is to summarize the available research data on how injectable CPC properties could be improved or affected by the addition of BG as a secondary powder phase. It was found that despite the variances of setting time and compressive strength results, desirable injectable properties of bone cements can be achieved by the inclusion of BGs into CPCs. The published data also revealed that the degradation rate of CPCs is significantly improved by BG addition. Moreover, the presence of BG in CPCs improves the in vitro osteogenic differentiation and cell response as well as the tissue-material interaction in vivo. Properties of injectable calcium phosphate bone cements and bioactive glasses are discussed. Benefits that BG addition to CPC could bring are highlighted. Desirable injectable properties of bone cements can be achieved by the inclusion of BGs into CPCs. The presence of BG in CPC advances in vitro and in vivo response of the composites. Future research direction of BG containing injectable CPC composites are provided.
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16
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Shikimaka O, Bivol M, Sava BA, Dumitru M, Tardei C, Sbarcea BG, Grabco D, Pyrtsac C, Topal D, Prisacaru A, Cobzac V, Nacu V. Hydroxyapatite-bioglass nanocomposites: Structural, mechanical, and biological aspects. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:1490-1504. [PMID: 36570613 PMCID: PMC9749502 DOI: 10.3762/bjnano.13.123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
This research work focuses on the fabrication and study of a series of nanocomposites consisting of two types of hydroxyapatite (HA), obtained by precipitate (HAP) and sol-gel (HAG) methods, and a boro-silico-phosphate bioglass. The microstructure and chemical, mechanical, and biological properties as functions of three factors, namely (i) the type of hydroxyapatite, (ii) glass content, and (iii) sintering temperature, were investigated. It was found that all of these factors affect the final composition and microstructure, especially, porosity, which shows significantly lower values for HAP-based composites than for HAG-based ones and higher values for higher glass content. This, in turn, has an impact on the microhardness, which exhibits a strong correlation with porosity, as well as on the mineralization capability and cell viability due to the different dissolution rate.
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Affiliation(s)
- Olga Shikimaka
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Mihaela Bivol
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Bogdan A Sava
- National Institute for Laser, Plasma and Radiation Physics, Laser Department, 409th Atomistilor str., RO-77125, Magurele, Bucharest, Romania
- University Politehnica Bucharest, 313 Splaiul Independentei, Bucharest, 060042, Romania
| | - Marius Dumitru
- National Institute for Laser, Plasma and Radiation Physics, Laser Department, 409th Atomistilor str., RO-77125, Magurele, Bucharest, Romania
| | - Christu Tardei
- National Institute for R&D in Electrical Engineering ICPE-CA, 313 Splaiul Unirii, 031066, Bucharest, Romania
| | - Beatrice G Sbarcea
- National Institute for R&D in Electrical Engineering ICPE-CA, 313 Splaiul Unirii, 031066, Bucharest, Romania
| | - Daria Grabco
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Constantin Pyrtsac
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Daria Topal
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Andrian Prisacaru
- Institute of Applied Physics, 5 Academiei str., MD-2028, Chisinau, Republic of Moldova
| | - Vitalie Cobzac
- Nicolae Testemitanu State University of Medicine and Pharmacy, 165 Stefan cel Mare si Sfant ave., MD-2004, Chisinau, Republic of Moldova
| | - Viorel Nacu
- Nicolae Testemitanu State University of Medicine and Pharmacy, 165 Stefan cel Mare si Sfant ave., MD-2004, Chisinau, Republic of Moldova
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17
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Bellucci D, Scalzone A, Ferreira AM, Cannillo V, Gentile P. Adhesive Bioinspired Coating for Enhancing Glass-Ceramics Scaffolds Bioactivity. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8080. [PMID: 36431564 PMCID: PMC9699021 DOI: 10.3390/ma15228080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Bioceramic scaffolds, composed of a biphasic composite containing bioactive glass and hydroxyapatite, were prepared in this work to overcome the intrinsic limits of the two components taken separately (in particular, their specific reactivities and dissolution rates, which should be tunable as a function of the given clinical requirements). To mimic the biological environment and tune the different stages of cellular response, a coating with gelatin and chondroitin sulphate via Layer-by-Layer (LbL) assembly was presented and discussed. The resulting functionalized scaffolds were affected by the coating in terms of microstructure and porosity. In addition, the LbL coating significantly enhanced the seeded cell behaviour, with high adhesion, proliferation and osteogenic activity, as revealed by the alkaline phosphatase activity and overexpression of osteopontin and osteocalcin.
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Affiliation(s)
- Devis Bellucci
- Dipartimento di Ingegneria “Enzo Ferrari”, Università Degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
| | - Annachiara Scalzone
- School of Engineering, Newcastle University, Stephenson Building, Claremont Road, Newcastle upon Tyne NE1 7RU, UK
- Center for Advanced Biomaterials for Health Care@CRIB Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Napoli, Italy
| | - Ana Marina Ferreira
- School of Engineering, Newcastle University, Stephenson Building, Claremont Road, Newcastle upon Tyne NE1 7RU, UK
| | - Valeria Cannillo
- Dipartimento di Ingegneria “Enzo Ferrari”, Università Degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy
| | - Piergiorgio Gentile
- School of Engineering, Newcastle University, Stephenson Building, Claremont Road, Newcastle upon Tyne NE1 7RU, UK
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18
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3D Printing of Bioinert Oxide Ceramics for Medical Applications. J Funct Biomater 2022; 13:jfb13030155. [PMID: 36135590 PMCID: PMC9505679 DOI: 10.3390/jfb13030155] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/06/2022] [Accepted: 09/12/2022] [Indexed: 11/23/2022] Open
Abstract
Three-dimensionally printed metals and polymers have been widely used and studied in medical applications, yet ceramics also require attention. Ceramics are versatile materials thanks to their excellent properties including high mechanical properties and hardness, good thermal and chemical behavior, and appropriate, electrical, and magnetic properties, as well as good biocompatibility. Manufacturing complex ceramic structures employing conventional methods, such as ceramic injection molding, die pressing or machining is extremely challenging. Thus, 3D printing breaks in as an appropriate solution for complex shapes. Amongst the different ceramics, bioinert ceramics appear to be promising because of their physical properties, which, for example, are similar to those of a replaced tissue, with minimal toxic response. In this way, this review focuses on the different medical applications that can be achieved by 3D printing of bioinert ceramics, as well as on the latest advances in the 3D printing of bioinert ceramics. Moreover, an in-depth comparison of the different AM technologies used in ceramics is presented to help choose the appropriate methods depending on the part geometry.
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19
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Mechanical Properties and In Vitro Biocompatibility of Hybrid Polymer-HA/BAG Ceramic Dental Materials. Polymers (Basel) 2022; 14:polym14183774. [PMID: 36145918 PMCID: PMC9505225 DOI: 10.3390/polym14183774] [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: 07/22/2022] [Revised: 09/02/2022] [Accepted: 09/07/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of this study is to prepare hybrid polymer-ceramic dental materials for chairside computer-aided design/computer-aided manufacturing (CAD/CAM) applications. The hybrid polymer-ceramic materials were fabricated via infiltrating polymerizable monomer mixtures into sintered hydroxyapatite/bioactive glass (HA/BAG) ceramic blocks and thermo-curing. The microstructure was observed by scanning electron microscopy and an energy-dispersive spectrometer. The phase structure was analyzed by X-ray diffraction. The composition ratio was analyzed by a thermogravimetric analyzer. The hardness was measured by a Vickers hardness tester. The flexural strength, flexural modulus, and compressive strength were measured and calculated by a universal testing machine. The growth of human gingival fibroblasts was evaluated by a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) colorimetric assay and immunofluorescence staining. The results showed that the sintering temperature and BAG content affected the mechanical properties of the hybrid polymer-ceramic materials. The X-ray diffraction analysis showed that high-temperature sintering promoted the partial conversion of HA to β-tricalcium phosphate. The values of the hardness, flexural strength, flexural modulus, and compressive strength of all the hybrid polymer-ceramic materials were 0.89-3.51 GPa, 57.61-118.05 MPa, 20.26-39.77 GPa, and 60.36-390.46 MPa, respectively. The mechanical properties of the hybrid polymer-ceramic materials were similar to natural teeth. As a trade-off between flexural strength and hardness, hybrid polymer-ceramic material with 20 wt.% BAG sintered at 1000 °C was the best material. In vitro experiments confirmed the biocompatibility of the hybrid polymer-ceramic material. Therefore, the hybrid polymer-ceramic material is expected to become a new type of dental restoration material.
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20
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Ha TH, Mahasti NN, Lu MC, Huang YH. Application of low-solubility dolomite as seed material for phosphorus recovery from synthetic wastewater using fluidized-bed crystallization (FBC) technology. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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21
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Three-dimensional printing of gyroid-structured composite bioceramic scaffolds with tuneable degradability. BIOMATERIALS ADVANCES 2022; 133:112595. [PMID: 35527154 DOI: 10.1016/j.msec.2021.112595] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/13/2021] [Accepted: 12/02/2021] [Indexed: 11/20/2022]
Abstract
Customisation of bioactivity and degradability of porous bioceramic scaffolds is a formidable challenge in the field of regenerative medicine. In this study, we developed gyroid-structured ternary composite scaffolds (biphasic calcium phosphate (BCP) and 45S5 bioglass® (BG)) using digital light processing 3D printing technology based on material and structural design. Additionally, the mechanical strength, bioactivity, degradability, and biocompatibility of the composite ceramic scaffolds were evaluated. The results revealed that BG reacted with BCP to generate major active crystalline phases of CaSiO3 and Na3Ca6(PO4)5. These active crystalline phases accelerated the exchange rate of Si4+, Ca2+, and PO43- with HCO3- in simulated body fluids and resulted in the rapid formation of carbonated hydroxyapatite (CHA), analogous to the formation of natural bone tissue. Interestingly, the precipitated CHA showed petal- and needle-like morphologies, which provided a large surface area to promote cell adhesion and proliferation. Furthermore, an increase in the BG content improved the degradability of ternary composite scaffolds after soaking in Tris-HCl solution. The tuneable degradability increased by three times at 30 wt% BG and sharply increased by 6.8 times at 40 wt% BG. This study provides a promising strategy to design scaffolds with improved bioactivity and tuneable degradability to assist a diverse population suffering from orthopedic conditions.
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22
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Yuan X, Xu Y, Lu T, He F, Zhang L, He Q, Ye J. Enhancing the bioactivity of hydroxyapatite bioceramic via encapsulating with silica-based bioactive glass sol. J Mech Behav Biomed Mater 2022; 128:105104. [DOI: 10.1016/j.jmbbm.2022.105104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/17/2022] [Accepted: 01/23/2022] [Indexed: 10/19/2022]
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23
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Doyle SE, Snow F, Duchi S, O’Connell CD, Onofrillo C, Di Bella C, Pirogova E. 3D Printed Multiphasic Scaffolds for Osteochondral Repair: Challenges and Opportunities. Int J Mol Sci 2021; 22:12420. [PMID: 34830302 PMCID: PMC8622524 DOI: 10.3390/ijms222212420] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 12/19/2022] Open
Abstract
Osteochondral (OC) defects are debilitating joint injuries characterized by the loss of full thickness articular cartilage along with the underlying calcified cartilage through to the subchondral bone. While current surgical treatments can provide some relief from pain, none can fully repair all the components of the OC unit and restore its native function. Engineering OC tissue is challenging due to the presence of the three distinct tissue regions. Recent advances in additive manufacturing provide unprecedented control over the internal microstructure of bioscaffolds, the patterning of growth factors and the encapsulation of potentially regenerative cells. These developments are ushering in a new paradigm of 'multiphasic' scaffold designs in which the optimal micro-environment for each tissue region is individually crafted. Although the adoption of these techniques provides new opportunities in OC research, it also introduces challenges, such as creating tissue interfaces, integrating multiple fabrication techniques and co-culturing different cells within the same construct. This review captures the considerations and capabilities in developing 3D printed OC scaffolds, including materials, fabrication techniques, mechanical function, biological components and design.
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Affiliation(s)
- Stephanie E. Doyle
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (F.S.)
- ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (S.D.); (C.O.); (C.D.B.)
| | - Finn Snow
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (F.S.)
| | - Serena Duchi
- ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (S.D.); (C.O.); (C.D.B.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Cathal D. O’Connell
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (F.S.)
- ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (S.D.); (C.O.); (C.D.B.)
| | - Carmine Onofrillo
- ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (S.D.); (C.O.); (C.D.B.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Claudia Di Bella
- ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (S.D.); (C.O.); (C.D.B.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- Department of Orthopaedics, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
| | - Elena Pirogova
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (F.S.)
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Navidi G, Allahvirdinesbat M, Al-Molki SMM, Davaran S, Panahi PN, Aghazadeh M, Akbarzadeh A, Eftekhari A, Safa KD. Design and fabrication of M-SAPO-34/chitosan scaffolds and evaluation of their effects on dental tissue engineering. Int J Biol Macromol 2021; 187:281-295. [PMID: 34314794 DOI: 10.1016/j.ijbiomac.2021.07.104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/11/2021] [Accepted: 07/15/2021] [Indexed: 11/17/2022]
Abstract
This research aimed to design innovative therapeutic bio-composites that enhance odontogenic and osteogenic differentiation of human dental pulp-derived mesenchymal stem cells (h-DPSCs) in-vitro regeneration. Herein, we report the fabrication of scaffolds containing chitosan, Ca-SAPO-34 monometallic and/or Fe-Ca-SAPO-34 bimetallic nanoparticles by freeze-drying technique. The scaffolds and nanoparticles were characterized using ICP-AES, FT-IR, XRD, TGA, TEM, BET, SEM, and EDS methods. The effects of SAPO-34 and nanoparticles were investigated by changes on the physicochemical properties of scaffolds including swelling ratio, density, porosity, bio-degradation, mechanical behavior, and biomineralization. Cell viability, cell adhesion and cytotoxicity of Ca-SAPO-34/CS and Fe-Ca-SAPO-34 scaffolds were investigated by MTT assay and SEM on h-DPSCs which revealed cell proliferation no toxicity on scaffolds. Cell tests demonstrated that Ca-SAPO-34/CS scaffold clearly displayed a positive effect on differentiation of hDPSCs into osteogenic/odontogenic cells and moderate effect on cell proliferation. Moreover, the incorporation of Fe2O3 to Ca-SAPO-34/CS scaffold promoted the proliferation of hDPSCs and osteogenic differentiation. Alizarin red, Alkaline phosphatase and QRT-PCR results showed that Fe-Ca-loaded SAPO-34/CS can lead to osteoblast/odontoblast differentiation in DPSCs through the up-regulation of related genes, thus indicating that Fe-Ca-SAPO-34/CS has remarkable prospects as a biomaterial for hard tissue engineering.
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Affiliation(s)
- Golnaz Navidi
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran
| | - Maryam Allahvirdinesbat
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz 51666-15953, Iran.
| | | | - Soodabeh Davaran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz 51666-15953, Iran; Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz 51664-14766, Iran.
| | | | - Marziyeh Aghazadeh
- Stem Cell Research Center and Oral Medicine Department of Dental Faculty, Tabriz University of Medical Sciences, Tabriz 5166614711, Iran
| | - Abolfazl Akbarzadeh
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz 51664-14766, Iran
| | - Aziz Eftekhari
- Russian Institute for Advanced Study, Moscow State Pedagogical University, 1/1, Malaya Pirogovskaya Street, Moscow 119991, Russian Federation
| | - Kazem Dindar Safa
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz 5166616471, Iran.
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Yang C, Zhuo W, Li Q, Huang C, Yan H, Jin D. Preliminary outcomes of allograft and hydroxyapatite as substitutes for autograft in anterior cervical discectomy and fusion with self-locking standalone cages. J Orthop Surg Res 2021; 16:123. [PMID: 33557893 PMCID: PMC7869215 DOI: 10.1186/s13018-021-02257-0] [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: 09/21/2020] [Accepted: 01/20/2021] [Indexed: 11/12/2022] Open
Abstract
Purpose To investigate the efficacy and safety of allograft and hydroxyapatite (HA) as substitutes for autograft in anterior cervical discectomy and fusion (ACDF). Methods In this study, 49 patients (80 segments) treated with ACDF were included and allocated into three groups [group A, autogenous iliac bone, n = 18; group B, allogeneic bone, n = 16; group C, HA, n = 15]. The clinical efficacy and fusion status were compared among each group. Complications were recorded in detail, and the Bazaz classification and Voice Handicap Index-10 (VHI-10) were used to detect dysphagia and dysphonia. Results Patients exhibited similar clinical efficacy among the groups during the final follow-up. All patients in groups A and B achieved fusion compared to only 73.3% of patients in group C. Groups A and B had similar fusion score, both of which greater than that of group C. No cage subsidence was observed in group A; however, 6.3% of patients in group B and 53.3% in group C had cage subsidence. Two patients in group A (11.1%) had persistent pain at the donor site. One patient in group B had dysphagia and dysphonia (6.3%), while one patient in group C had dysphonia (6.7%). Conclusion In ACDF, the autogenous iliac bone was the most ideal bone graft. The allogeneic bone was an acceptable substitute but risked cage subsidence and dysphagia. HA had a much lower fusion rate and a high risk of cage subsidence. Better substitutes should be further explored for ACDF.
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Affiliation(s)
- Changsheng Yang
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Wentao Zhuo
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Qingchu Li
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Caiqiang Huang
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Huibo Yan
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Dadi Jin
- Department of Orthopedics, Academy of Orthopedics of Guangdong Province, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China.
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Lei L, Han J, Wen J, Yu Y, Ke T, Wu Y, Yang X, Chen L, Gou Z. Biphasic ceramic biomaterials with tunable spatiotemporal evolution for highly efficient alveolar bone repair. J Mater Chem B 2020; 8:8037-8049. [PMID: 32766660 DOI: 10.1039/d0tb01447h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Alveolar bone defects, which are characterized by a relatively narrow space and location adjacent to the cementum, require promising substitute biomaterials for their regeneration. In this study, we introduced novel yolk-shell biphasic bio-ceramic granules with/without a customized porous shell and evaluated their biological effect together with structural transformation. Firstly, a self-made coaxial bilayer capillary system was applied for the fabrication of granules. Secondly, thorough morphological and physicochemical characterizations were performed in vitro. Subsequently, the granules were implanted into critical-size alveolar bone defects (10 × 4 × 3 mm) in New Zealand white rabbits, with Bio-Oss® as the positive control. Finally, at 2, 4, 8, and 16 weeks postoperatively, the alveolar bone specimens were harvested and assessed via radiological and histological examination. Our results showed that the yolk-shell biphasic bio-ceramic granules, especially those with porous shells, exhibited a tunable ion release performance, improved biodegradation behavior and satisfactory osteogenesis compared with the homogeneously hybrid and Bio-Oss® granules both in vitro and in vivo. This study provides the first evidence that novel yolk-shell bio-ceramic granules, on account of their adjustable porous microstructure, have great potential in alveolar bone repair.
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Affiliation(s)
- Lihong Lei
- Department of Stomatology, the Second Affiliated Hospital of Zhejiang, University School of Medicine, Hangzhou 310009, China.
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Synthesis of Conductive Carbon Aerogels Decorated with β-Tricalcium Phosphate Nanocrystallites. Sci Rep 2020; 10:5758. [PMID: 32238872 PMCID: PMC7113289 DOI: 10.1038/s41598-020-62822-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 03/16/2020] [Indexed: 01/13/2023] Open
Abstract
There has been substantial interest in research aimed at conductive carbon-based supports since the discovery that the electrical stimulus can have dramatic effect on cell behavior. Among these carbon-aerogels decorated with biocompatible polymers were suggested as future materials for tissue engineering. However, high reaction temperatures required for the synthesis of the aerogels tend to impair the stability of the polymeric networks. Herein, we report a synthetic route towards carbon-aerogel scaffolds decorated with biocompatible ceramic nanoparticles of tricalcium phosphate. The composites can be prepared at temperature as high as 1100 °C without significant effect on the morphology of the composite which is comparable with the original aerogel framework. Although the conductivity of the composites tends to decrease with the increasing ceramic content the measured conductivity values are similar to those previously reported on polymer-functionalized carbon-aerogels. The cell culture study revealed that the developed constructs support cell proliferation and provide good cell attachment suggesting them as potentially good candidates for tissue-engineering applications.
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de Vasconcellos LMR, Camporês KL, de Alcântara Abdala JM, Vieira MN, de Oliveira IR. Biological and microbiological behavior of calcium aluminate cement-based blend for filling of bone defects. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 31:10. [PMID: 31873807 DOI: 10.1007/s10856-019-6348-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 12/11/2019] [Indexed: 06/10/2023]
Abstract
Calcium aluminate cement (CAC) as a biomaterial has been evaluated for its physical, mechanical and biocompatibility properties. Furthermore, the application of CAC for bone repair is due to its composition and coefficient of thermal expansion, which is similar to that of human bone. Thus, the aim of this study was to evaluate compositions of CAC-based blends as substitutes for bone defects. Five compositions of blends (alumina, zirconia, hydroxyapatite, tricalcium phosphate, chitosan), in addition to the base cement consisting of homogeneous CAC were evaluated as a substitute for bone repair. Additionally, the monotypic biofilm formation was assessed. Creation of a monocortical bone defect was performed on the femurs of rats, which were randomly filled with the different materials. The polymethylmethacrylate (PMMA) group was used as a control. All the animals were euthanized 04 weeks after the surgery procedure. Subsequently, computerized microtomography, histological and histomorphometric analyses were performed to verify the bone repair. To evaluate the formation of biofilms, reference strains of Staphylococcus aureus, Streptococcus mutans and Pseudomonas aeruginosa were cultured on the samples, and the biofilm formed was quantified by the MTT method. In the microtomography and histomorphometry results, it was observed that the blends exhibited better results than the control group, with statistically significant differences (p < 0.05) for alumina and zirconia blends. In the biofilm formation, a statistical difference (p < 0.05) in general was observed between the alumina blends and the control group (p < 0.05). It was concluded that CAC-based blends with alumina and zirconia are promising for use in fillings for bone repair.
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Affiliation(s)
- Luana Marotta Reis de Vasconcellos
- Department of Bioscience and Oral Diagnosis, Institute of Science and Technology of São José dos Campos, University Estadual Paulista-UNESP, Sao Jose dos Campos, SP, Brazil.
| | - Kaíke Lessa Camporês
- Department of Bioscience and Oral Diagnosis, Institute of Science and Technology of São José dos Campos, University Estadual Paulista-UNESP, Sao Jose dos Campos, SP, Brazil
| | | | - Marilia Nanni Vieira
- Graduated student of Institute of Science and Technology of São José dos Campos, University Estadual Paulista-UNESP, Sao Jose dos Campos, SP, Brazil
| | - Ivone Regina de Oliveira
- Institute for Research and Development, University of Vale do Paraíba, São José dos Campos, SP, Brazil
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Plyusnin A, Kulkova J, Arthurs G, Jalava N, Uppstu P, Moritz N. Biological response to an experimental implant for tibial tuberosity advancement in dogs: A pre-clinical study. Res Vet Sci 2019; 128:183-196. [PMID: 31816501 DOI: 10.1016/j.rvsc.2019.12.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/30/2019] [Accepted: 12/01/2019] [Indexed: 01/03/2023]
Abstract
In this study, we propose a novel bioresorbable bioactive implant for tibial tuberosity advancement (TTA). The implant consists of a gradually resorbing load-bearing shell which encompasses rapidly resorbing small casings loaded with silica-based bioactive glass (BG) particulates which promote bone formation and reduce the risk of infection. The shell and the casings are manufactured by 3D printing from two medical grade bioresorbable polymers (a polyglycolide/lactide based and a polydioxanone based) that have different degradation rates. The casings are expected to resorb within days after surgery to expose the BG particulates while the shell would retain the load-bearing properties of the implant for the time required by bone healing. Unlike the currently used metallic devices, the novel implant is resorbed and excreted from the body once its purpose is fulfilled. This study presents a logical progression from the in vitro characterisation of the materials and implants to the in vivo investigation of the experimental implants. This included mechanical testing of the materials, finite element analysis of a preliminary design of the novel TTA implant, assessment of the degradation behaviour of the polymers and the ion exchange of BG in simulated body fluid, and investigation of the biological response to the novel implants after implantation in rabbits. The osteointegration of the novel implants was comparable to the osteointegration of Ti6Al4V implants in the control group; the biological efficacy and safety were confirmed. The biological response was in line with the expectations. The proof of concept for the novel TTA implants was demonstrated.
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Affiliation(s)
- Artem Plyusnin
- Biomedical Engineering Research Group, Biomaterials and Medical Device Research Program, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland; Department of Biomaterials Science, Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland
| | - Julia Kulkova
- Biomedical Engineering Research Group, Biomaterials and Medical Device Research Program, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland; Department of Biomaterials Science, Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland.
| | - Gareth Arthurs
- Dick White Referrals, Station Farm, Long Road, Six Mile Bottom, CB8 0UH, UK
| | - Niki Jalava
- Biomedical Engineering Research Group, Biomaterials and Medical Device Research Program, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland; Department of Biomaterials Science, Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland
| | - Peter Uppstu
- Laboratory of Polymer Technology, Faculty of Science and Engineering, Åbo Akademi University, Piispankatu 8, FI-20500 Turku, Finland
| | - Niko Moritz
- Biomedical Engineering Research Group, Biomaterials and Medical Device Research Program, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland; Department of Biomaterials Science, Turku Clinical Biomaterials Centre - TCBC, Institute of Dentistry, University of Turku, Itäinen Pitkäkatu 4B (PharmaCity), FI-20520 Turku, Finland
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Putri TS, Hayashi K, Ishikawa K. Bone regeneration using β-tricalcium phosphate (β-TCP) block with interconnected pores made by setting reaction of β-TCP granules. J Biomed Mater Res A 2019; 108:625-632. [PMID: 31742920 DOI: 10.1002/jbm.a.36842] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 11/07/2019] [Accepted: 11/11/2019] [Indexed: 02/02/2023]
Abstract
We fabricated an interconnected dual porous β-tricalcium phosphate (β-TCP) block via a setting reaction of β-TCP granules. This β-TCP block was unique because it exhibits a fully interconnected macroporous structure with micropores in the walls surrounding macropores and a roughened surface. The porosity and diametral tensile strength of the resulting product were 58.1 ± 1.7% and 1.4 ± 0.2 MPa, respectively. Rabbit distal femur bone defects were reconstructed using the porous β-TCP block and the efficacy of the porous β-TCP block as an artificial bone substitute was evaluated histomorphometrically. For a dense β-TCP control, 4 weeks following implantation, only 0.2 ± 0.1% of the β-TCP was resorbed, and the amount of newly formed bone was limited (0.1 ± 0.1%), whereas when the defect was reconstructed with porous β-TCP, 9.2 ± 3.1% was resorbed, and the amount of new bone was 18.9 ± 5.5%. This represents an approximately 50-fold enhancement in resorption and a 200-fold increase in bone formation for our porous β-TCP block. Therefore, interconnected dual porous β-TCP made via β-TCP granule setting has good potential as an artificial bone substitute.
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Affiliation(s)
- Tansza S Putri
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Koichiro Hayashi
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Kunio Ishikawa
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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31
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Westhauser F, Essers C, Karadjian M, Reible B, Schmidmaier G, Hagmann S, Moghaddam A. Supplementation with 45S5 Bioactive Glass Reduces In Vivo Resorption of the β-Tricalcium-Phosphate-Based Bone Substitute Material Vitoss. Int J Mol Sci 2019; 20:ijms20174253. [PMID: 31480285 PMCID: PMC6747147 DOI: 10.3390/ijms20174253] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 08/28/2019] [Indexed: 12/18/2022] Open
Abstract
Compared to other materials such as 45S5 bioactive glass (BG), β-tricalcium phosphate (β-TCP)-based bone substitutes such as Vitoss show limited material-driven stimulation of osteogenesis and/or angiogenesis. The unfavorable degradation kinetics of β-TCP-based bone substitutes may result in an imbalance between resorption and osseous regeneration. Composite materials like Vitoss BA (Vitoss supplemented with 20 wt % 45S5-BG particles) might help to overcome these limitations. However, the influence of BG particles in Vitoss BA compared to unsupplemented Vitoss on osteogenesis, resorption behavior, and angiogenesis is not yet described. In this study, Vitoss and Vitoss BA scaffolds were seeded with human mesenchymal stromal cells before subcutaneous implantation in immunodeficient mice for 10 weeks. Scaffold resorption was monitored by micro-computed tomography, while osteoid formation and vascularization were assessed by histomorphometry and gene expression analysis. Whilst slightly more osteoid and improved angiogenesis were found in Vitoss BA, maturation of the osteoid was more advanced in Vitoss scaffolds. The volume of Vitoss implants decreased significantly, combined with a significantly increased presence of resorbing cells, whilst the volume remained stable in Vitoss BA scaffolds. Future studies should evaluate the interaction of 45S5-BG with resorbing cells and bone precursor cells in greater detail to improve the understanding and application of β-TCP/45S5-BG composite bone substitute materials.
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Affiliation(s)
- Fabian Westhauser
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany.
| | - Christopher Essers
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
| | - Maria Karadjian
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
| | - Bruno Reible
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
| | - Gerhard Schmidmaier
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
| | - Sébastien Hagmann
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
| | - Arash Moghaddam
- Center of Orthopedics, Traumatology and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118 Heidelberg, Germany
- ATORG-Aschaffenburg Trauma and Orthopedic Research Group, Center for Trauma Surgery, Orthopedics and Sports Medicine, Klinikum Aschaffenburg-Alzenau, Am Hasenkopf 1, 63739 Aschaffenburg, Germany
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Neto AS, Brazete D, Ferreira JMF. Cuttlefish Bone-Derived Biphasic Calcium Phosphate Scaffolds Coated with Sol-Gel Derived Bioactive Glass. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2711. [PMID: 31450554 PMCID: PMC6747785 DOI: 10.3390/ma12172711] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 02/07/2023]
Abstract
The combination of calcium phosphates with bioactive glasses (BG) has received an increased interest in the field of bone tissue engineering. In the present work, biphasic calcium phosphates (BCP) obtained by hydrothermal transformation of cuttlefish bone (CB) were coated with a Sr-, Mg- and Zn-doped sol-gel derived BG. The scaffolds were characterized by X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy. The initial CB structure was maintained after hydrothermal transformation (HT) and the scaffold functionalization did not jeopardize the internal structure. The results of the in-vitro bioactivity after immersing the BG coated scaffolds in simulated body fluid (SBF) for 15 days showed the formation of apatite on the surface of the scaffolds. Overall, the functionalized CB derived BCP scaffolds revealed promising properties, but further assessment of the in-vitro biological properties is needed before being considered for their use in bone tissue engineering applications.
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Affiliation(s)
- Ana S Neto
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Daniela Brazete
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | - José M F Ferreira
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro, 3810-193 Aveiro, Portugal.
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Bellucci D, Braccini S, Chiellini F, Balasubramanian P, Boccaccini AR, Cannillo V. Bioactive glasses and glass‐ceramics versus hydroxyapatite: Comparison of angiogenic potential and biological responsiveness. J Biomed Mater Res A 2019; 107:2601-2609. [DOI: 10.1002/jbm.a.36766] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 07/31/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Devis Bellucci
- Dipartimento di Ingegneria Enzo FerrariUniversità degli Studi di Modena e Reggio Emilia Modena Italy
| | - Simona Braccini
- Dipartimento di Chimica e Chimica IndustrialeUniversità di Pisa Pisa Italy
| | - Federica Chiellini
- Dipartimento di Chimica e Chimica IndustrialeUniversità di Pisa Pisa Italy
| | | | - Aldo R. Boccaccini
- Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Erlangen Germany
| | - Valeria Cannillo
- Dipartimento di Ingegneria Enzo FerrariUniversità degli Studi di Modena e Reggio Emilia Modena Italy
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Kazemi M, Dehghan MM, Azami M. Biological evaluation of porous nanocomposite scaffolds based on strontium substituted β-TCP and bioactive glass: An in vitro and in vivo study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110071. [PMID: 31546377 DOI: 10.1016/j.msec.2019.110071] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 07/28/2019] [Accepted: 08/09/2019] [Indexed: 02/06/2023]
Abstract
In the current study, in vitro analysis of the osteogenic potential of different scaffolds based on strontium-substituted β-TCP (Sr-TCP) and bioactive glass (BG) ceramics was conducted using rabbit bone marrow-derived mesenchymal stem cells (rBMSCs) and the osteogenic ability of the prepared Sr-TCP and BG scaffold was evaluated through alkaline phosphatase activity, mineral deposition by Alizarin red staining, and osteoblastic gene expression experiments. The obtained in vitro results revealed that among experimental Sr-TCP/BG nanocomposite scaffold samples with the composition of Sr-TCP/BG: 100/0, 50/50, 75/25, and 25/75, the 50Sr-TCP/50BG sample presented better osteoinductive properties. Therefore, the optimized 50Sr-TCP/50BG nanocomposite scaffold was chosen for further in vivo experiments. In vivo implantation of 50Sr-TCP/50BG scaffold and hydroxyapatite (HA)/TCP granules in a rabbit calvarial defect model showed slow degradation of 50Sr-TCP/50BG scaffold and high resorption rate of HA/TCP granules at 5 months' post-surgery. However, the 50Sr-TCP/50BG scaffolds loaded by mesenchymal stem cells (MSCs) were mainly replaced with new bone even at 2 months post-implantation. Based on the obtained engineering and biological results, 50Sr-TCP/50BG nanocomposite scaffold containing MSCs could be considered as a promising alternative substitute even for load-bearing bone tissue engineering applications.
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Affiliation(s)
- Mansure Kazemi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Mehdi Dehghan
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Mahmoud Azami
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Su TR, Chu YH, Yang HW, Huang YF, Ding SJ. Component effects of bioactive glass on corrosion resistance and in vitro biological properties of apatite-matrix coatings. Biomed Mater Eng 2019; 30:207-218. [PMID: 30741668 DOI: 10.3233/bme-191045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Surface modification of metallic implants is critical for improving the clinical performance of the dental and orthopedic devices. Bioactive glasses exhibit different levels of cellular function and physicochemical behavior; however, there have been few previous studies on the effect of constituents of the bioactive glasses on the in vitro osteogenic activity and corrosion resistance of apatite-based coatings. OBJECTIVE The objective of this work was to investigate the effect of SiO2, CaO, Na2O, and P2O5 on plasma-sprayed apatite coatings on Ti alloy substrates for tailoring the properties of implants making them suitable for clinical applications. METHODS The corrosion potential and corrosion current of various coatings in simulated body fluid (SBF) were examined. MG63 cell proliferation, differentiation, and mineralization of plasma-sprayed apatite-matrix coatings were evaluated. RESULTS The SiO2 and CaO-containing HA (HSC) coating had a higher corrosion potential than the other three coatings, while SiO2-containing HA (HS) coating displayed the highest corrosion current among all coatings. The effect of the oxides on cell functions followed the order SiO2 > CaO > P2O5 > Na2O in terms of cell attachment, proliferation, differentiation, and mineralization. CONCLUSIONS The flexibility in oxide doping may allow for the tunable biological properties and corrosion-resistant ability of the apatite coatings.
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Affiliation(s)
- Tzu-Rong Su
- Department of Dentistry, Antai Medical Care Cooperation Antai Tian-Sheng Memorial Hospital, Pingtung, Taiwan
| | - Ying-Hung Chu
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan
| | - Hui-Wen Yang
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan.,School of Dentistry, Chung Shan Medical University, Taichung City 402, Taiwan
| | - Yu-Feng Huang
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan.,School of Dentistry, Chung Shan Medical University, Taichung City 402, Taiwan
| | - Shinn-Jyh Ding
- Institute of Oral Science, Chung Shan Medical University, Taichung City 402, Taiwan.,Department of Stomatology, Chung Shan Medical University Hospital, Taichung City 402, Taiwan
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36
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Kumar S, Gautam C, Mishra VK, Chauhan BS, Srikrishna S, Yadav RS, Trivedi R, Rai SB. Fabrication of Graphene Nanoplatelet-Incorporated Porous Hydroxyapatite Composites: Improved Mechanical and in Vivo Imaging Performances for Emerging Biomedical Applications. ACS OMEGA 2019; 4:7448-7458. [PMID: 31459841 DOI: 10.1021/acsomega.8b03473/asset/images/large/ao-2018-03473u_0004.jpeg] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 04/05/2019] [Indexed: 05/22/2023]
Abstract
Three-dimensional nanocomposites exhibit unexpected mechanical and biological properties that are produced from two-dimensional graphene nanoplatelets and oxide materials. In the present study, various composites of microwave-synthesized nanohydroxyapatite (nHAp) and graphene nanoparticles (GNPs), (100 - x)HAp-xGNPs (x = 0, 0.1, 0.2, 0.3, and 0.5 wt %), were successfully synthesized using a scalable bottom-up approach, that is, a solid-state reaction method. The structural, morphological and mechanical properties were studied using various characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and universal testing machine (UTM). XRD studies revealed that the prepared composites have high-order crystallinity. Addition of GNPs into nHAp significantly improved the mechanical properties. Three-dimensional nanocomposite 99.5HAp-0.5GNPs exhibited exceptionally high mechanical properties, for example, a fracture toughness of ∼116 MJ/m3, Young's modulus of ∼98 GPa, and compressive strength of 96.04 MPa, which were noticed to be much greater than in the pure nHAp. The MTT assay and cell imaging behaviors were carried out on the gut tissues of Drosophila third instars larvae and on primary rat osteoblast cells for the sample 99.5HAp-0.5GNPs that have achieved the highest mechanical properties. The treatment with lower concentrations of 10 μg/mL on the gut tissues of Drosophila and 1 and 5 μg/mL of this composite sample showed favorable cell viability. Therefore, owing to the excellent porous nature, interconnected surface morphology, and mechanical and biological properties, the prepared composite sample 99.5HAp-0.5GNPs stood as a promising biomaterial for bone implant applications.
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Affiliation(s)
- Sunil Kumar
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226027, Uttar Pradesh, India
| | - Chandkiram Gautam
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226027, Uttar Pradesh, India
| | - Vijay Kumar Mishra
- LSS-101 Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Brijesh Singh Chauhan
- Cell and Neurobiology Laboratory, Department of Biochemistry, and Department of Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Saripella Srikrishna
- Cell and Neurobiology Laboratory, Department of Biochemistry, and Department of Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Ram Sagar Yadav
- Cell and Neurobiology Laboratory, Department of Biochemistry, and Department of Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Ritu Trivedi
- LSS-101 Laboratory, Endocrinology Division, CSIR-Central Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Shyam Bahadur Rai
- Cell and Neurobiology Laboratory, Department of Biochemistry, and Department of Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
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37
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Kumar S, Gautam C, Mishra VK, Chauhan BS, Srikrishna S, Yadav RS, Trivedi R, Rai SB. Fabrication of Graphene Nanoplatelet-Incorporated Porous Hydroxyapatite Composites: Improved Mechanical and in Vivo Imaging Performances for Emerging Biomedical Applications. ACS OMEGA 2019; 4:7448-7458. [PMID: 31459841 PMCID: PMC6648140 DOI: 10.1021/acsomega.8b03473] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 04/05/2019] [Indexed: 05/08/2023]
Abstract
Three-dimensional nanocomposites exhibit unexpected mechanical and biological properties that are produced from two-dimensional graphene nanoplatelets and oxide materials. In the present study, various composites of microwave-synthesized nanohydroxyapatite (nHAp) and graphene nanoparticles (GNPs), (100 - x)HAp-xGNPs (x = 0, 0.1, 0.2, 0.3, and 0.5 wt %), were successfully synthesized using a scalable bottom-up approach, that is, a solid-state reaction method. The structural, morphological and mechanical properties were studied using various characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and universal testing machine (UTM). XRD studies revealed that the prepared composites have high-order crystallinity. Addition of GNPs into nHAp significantly improved the mechanical properties. Three-dimensional nanocomposite 99.5HAp-0.5GNPs exhibited exceptionally high mechanical properties, for example, a fracture toughness of ∼116 MJ/m3, Young's modulus of ∼98 GPa, and compressive strength of 96.04 MPa, which were noticed to be much greater than in the pure nHAp. The MTT assay and cell imaging behaviors were carried out on the gut tissues of Drosophila third instars larvae and on primary rat osteoblast cells for the sample 99.5HAp-0.5GNPs that have achieved the highest mechanical properties. The treatment with lower concentrations of 10 μg/mL on the gut tissues of Drosophila and 1 and 5 μg/mL of this composite sample showed favorable cell viability. Therefore, owing to the excellent porous nature, interconnected surface morphology, and mechanical and biological properties, the prepared composite sample 99.5HAp-0.5GNPs stood as a promising biomaterial for bone implant applications.
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Affiliation(s)
- Sunil Kumar
- Advanced
Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226027, Uttar Pradesh, India
| | - Chandkiram Gautam
- Advanced
Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226027, Uttar Pradesh, India
| | - Vijay Kumar Mishra
- LSS-101
Laboratory, Endocrinology Division, CSIR-Central
Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Brijesh Singh Chauhan
- Cell and Neurobiology Laboratory,
Department of Biochemistry, and Department of
Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Saripella Srikrishna
- Cell and Neurobiology Laboratory,
Department of Biochemistry, and Department of
Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Ram Sagar Yadav
- Cell and Neurobiology Laboratory,
Department of Biochemistry, and Department of
Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Ritu Trivedi
- LSS-101
Laboratory, Endocrinology Division, CSIR-Central
Drug Research Institute, Lucknow 226031, Uttar Pradesh, India
| | - Shyam Bahadur Rai
- Cell and Neurobiology Laboratory,
Department of Biochemistry, and Department of
Physics, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
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Enhanced osteogenic differentiation of mesenchymal stem cells in ankylosing spondylitis: a study based on a three-dimensional biomimetic environment. Cell Death Dis 2019; 10:350. [PMID: 31024000 PMCID: PMC6484086 DOI: 10.1038/s41419-019-1586-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 03/17/2019] [Accepted: 04/10/2019] [Indexed: 12/27/2022]
Abstract
The mechanism of pathological osteogenesis in Ankylosing spondylitis (AS) is largely unknown. Our previous studies demonstrated that the imbalance between BMP-2 and Noggin secretion induces abnormal osteogenic differentiation of marrow-derived mesenchymal stem cells (MSCs) from AS patients in a two-dimensional culture environment. In this study, HA/β-TCP scaffolds were further used as a three-dimensional (3D) biomimetic culture system to mimic the bone microenvironment in vivo to determine the abnormal osteogenic differentiation of AS-MSCs. We demonstrated that when cultured in HA/β-TCP scaffolds, AS-MSCs had a stronger osteogenic differentiation capacity than that of MSCs from healthy donors (HD-MSCs) in vitro and in vivo. This dysfunction resulted from BMP2 overexpression in AS-MSCs, which excessively activated the Smad1/5/8 and ERK signalling pathways and finally led to enhanced osteogenic differentiation. Both the signalling pathway inhibitors and siRNAs inhibiting BMP2 expression could rectify the enhanced osteogenic differentiation of AS-MSCs. Furthermore, BMP2 expression in ossifying entheses was significantly higher in AS patients. In summary, our study demonstrated that AS-MSCs possess enhanced osteogenic differentiation in HA/β-TCP scaffolds as a 3D biomimetic microenvironment because of BMP2 overexpression, but not Noggin. These results provide insights into the mechanism of pathological osteogenesis, which can aid in the development of niche-targeting medications for AS.
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Sato T, Anada T, Hamai R, Shiwaku Y, Tsuchiya K, Sakai S, Baba K, Sasaki K, Suzuki O. Culture of hybrid spheroids composed of calcium phosphate materials and mesenchymal stem cells on an oxygen-permeable culture device to predict in vivo bone forming capability. Acta Biomater 2019; 88:477-490. [PMID: 30844570 DOI: 10.1016/j.actbio.2019.03.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/28/2019] [Accepted: 03/03/2019] [Indexed: 12/30/2022]
Abstract
Three-dimensional (3-D) cell culture can better mimic physiological conditions in which cells interact with adjacent cells and the extracellular matrix than monolayer culture. We have developed a 3-D cell culture device, the Oxy chip, which can be used to generate and supply oxygen to cell spheroids to prevent hypoxia. Here, we used the Oxy chip to generate hybrid spheroids comprising calcium phosphate (CaP) particles (hydroxyapatite (HA), β-tricalcium phosphate (β-TCP) or octacalcium phosphate (OCP)) and mesenchymal stem cells (MSCs, C3H10T1/2 cells or D1 cells) that can be used to analyze cell differentiation mechanisms. We showed that the 3-D cell-cell and cell-material interactions and oxygenation offered by the Oxy chip promoted osteoblastic differentiation of MSCs. We also used histomorphometric analysis of hematoxylin and eosin staining, quality analyses by μCT and collagen orientation observation with picrosirius red staining in bone regeneration following implantation of three CaPs in a critical-sized defect in mouse calvaria. The in vivo bone formation capacity of the three tested CaP materials was OCP ≥ β-TCP > HA: the newly formed bone by OCP had a structure relatively close to that of the calvaria intact bone. When MSCs were 3-D cultured with the CaP materials using the Oxy chip, the in vitro osteogenic capacity of these materials was highly similar to trends observed in vivo. The in vitro alkaline phosphatase activity of D1 cells had the highest correlation with in vivo bone volume (R = 0.900). Chemical and FTIR spectroscopic analyses confirmed that differentiation of D1 cells could be associated with amorphous calcium phosphate (ACP) precipitation concomitant with OCP hydrolysis. Taken together, hybrid spheroid cultures using the Oxy chip can be used to screen and predict bone forming potential of bone substitute materials. STATEMENT OF SIGNIFICANCE: An oxygen permeable-culture chip (Oxy chip) can be used to induce formation of cell spheroids by mesenchymal stem cells (MSCs). Use of the Oxy chip avoids hypoxia in the spheroid core and enhances MSC osteoblastic differentiation relative to conventional spheroid culture methods. The present study showed that the Oxy chip mimics the in vivo environment associated with bone formation and can be used to generate hybrid spheroids consisting of calcium phosphates and MSCs that are useful for analyzing cell differentiation mechanisms. Bone formation analysis following implantation of calcium phosphate materials in mouse calvaria defects showed positive correlation with the in vitro results. We propose that hybrid spheroids cultured on the Oxy chip can be used to screen and predict the bone forming potential of bone substitute materials.
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40
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Pomini KT, Cestari TM, Santos German ÍJ, de Oliveira Rosso MP, de Oliveira Gonçalves JB, Buchaim DV, Pereira M, Andreo JC, Rosa GM, Della Coletta BB, Cosin Shindo JVT, Buchaim RL. Influence of experimental alcoholism on the repair process of bone defects filled with beta-tricalcium phosphate. Drug Alcohol Depend 2019; 197:315-325. [PMID: 30875652 DOI: 10.1016/j.drugalcdep.2018.12.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 12/03/2018] [Accepted: 12/10/2018] [Indexed: 12/16/2022]
Abstract
This study evaluated the effect of ethanol on the repair in calvaria treated with beta-tricalcium phosphate (β-TCP). Forty rats were distributed into 2 groups: Water group (CG, n = 20) and Alcohol Group (AG, n = 20), which received 25% ethanol ad libitum after an adaptation period of 3 weeks. After 90 days of liquid diet, the rats were submitted to a 5.0 mm bilateral craniotomy in the parietal bones; the left parietal was filled with β-TCP (CG-TCP and AG-TCP) and the contralateral only with blood clot (CG-Clot and AG-Clot). The animals were killed after 10, 20, 40 and 60 days. The groups CG-Clot and AG-Clot showed similar pattern of bone formation with a gradual and significant increase in the amount of bone in CG-Clot (22.17 ± 3.18 and 34.81 ± 5.49) in relation to AG-Clot (9.35 ± 5.98 and 21.65 ± 6.70) in periods of 20-40 days, respectively. However, in the other periods there was no statistically significant difference. Alcohol ingestion had a negative influence on bone formation, even with the use of β-TCP, exhibiting slow resorption and replacement by fibrous tissue, with 16% of bone formation within 60 days in AG-TCP, exhibiting immature bone tissue with predominance of disorganized collagen fibers. Defects in CG-TCP showed bone tissue with predominance of lamellar arrangement filling 39% of the original defect. It can be concluded that chronic ethanol consumption impairs the ability to repair bone defects, even with the use of a β-TCP biomaterial.
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Affiliation(s)
- Karina Torres Pomini
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil.
| | - Tânia Mary Cestari
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil.
| | | | | | | | - Daniela Vieira Buchaim
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil; Medical School, University of Marilia (UNIMAR), Marília, Brazil; Medical School, University Center of Adamantina (UNIFAI), Adamantina, Brazil.
| | - Mizael Pereira
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil.
| | - Jesus Carlos Andreo
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil.
| | - Geraldo Marco Rosa
- University of the Sacred Heart (USC), Bauru, Brazil; University of the Ninth of July (UNINOVE), Bauru, Brazil.
| | - Bruna Botteon Della Coletta
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil.
| | | | - Rogério Leone Buchaim
- Department of Biological Sciences (Anatomy), Bauru School of Dentistry, University of São Paulo (USP), Bauru, Brazil; Medical School, University of Marilia (UNIMAR), Marília, Brazil.
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41
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Bellucci D, Salvatori R, Anesi A, Chiarini L, Cannillo V. SBF assays, direct and indirect cell culture tests to evaluate the biological performance of bioglasses and bioglass-based composites: Three paradigmatic cases. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:757-764. [DOI: 10.1016/j.msec.2018.12.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 10/22/2018] [Accepted: 12/03/2018] [Indexed: 11/15/2022]
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Westhauser F, Karadjian M, Essers C, Senger AS, Hagmann S, Schmidmaier G, Moghaddam A. Osteogenic differentiation of mesenchymal stem cells is enhanced in a 45S5-supplemented β-TCP composite scaffold: an in-vitro comparison of Vitoss and Vitoss BA. PLoS One 2019; 14:e0212799. [PMID: 30811492 PMCID: PMC6392320 DOI: 10.1371/journal.pone.0212799] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 02/07/2019] [Indexed: 11/19/2022] Open
Abstract
Since the amount of autologous bone for the treatment of bone defects is limited and harvesting might cause complications, synthetic bone substitutes such as the popular β-tricalcium phosphate (β-TCP) based Vitoss have been developed as an alternative grafting material. β-TCPs exhibit osteoconductive properties, however material-initiated stimulation of osteogenic differentiation is limited. These limitations might be overcome by addition of 45S5 bioactive glass (BG) particles. This study aims to analyze the influence of BG particles in Vitoss BA (20 wt% BG particles with a size of 90–150 μm) on osteogenic properties, cell vitality and cell proliferation in direct comparison to Vitoss by evaluation of the underlying cellular mechanisms. For that purpose, Vitoss and Vitoss BA scaffolds were seeded with human mesenchymal stem cells (MSC) and underwent osteogenic differentiation in-vitro for up to 42 days. Cell vitality, proliferation, and osteogenic differentiation were monitored by quantitative gene expression analysis, determination of alkaline phosphatase activity, PrestoBlue cell viability assay, dsDNA quantification, and a fluorescence-microscopy-based live/dead-assay. It was demonstrated that BG particles decrease cell proliferation but do not have a negative impact on cell vitality. Especially the early stages of osteogenic differentiation were significantly improved in the presence of BG particles, resulting in earlier maturation of the MSC towards osteoblasts. Since most of the stimulatory effects induced by BG particles took place initially, particles exhibiting another surface-area-to-volume ratio should be considered in order to provide long-lasting stimulation.
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Affiliation(s)
- Fabian Westhauser
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
- * E-mail:
| | - Maria Karadjian
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - Christopher Essers
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - Anne-Sophie Senger
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - Sébastien Hagmann
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - Gerhard Schmidmaier
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
| | - Arash Moghaddam
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Heidelberg, Germany
- ATORG—Aschaffenburg Trauma and Orthopedic Research Group, Center for Trauma Surgery, Orthopedics, and Sports Medicine, Klinikum Aschaffenburg-Alzenau, Aschaffenburg, Germany
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Meng Y, Qiang W, Pang J. Fabrication and Microstructure of Laminated HAP⁻45S5 Bioglass Ceramics by Spark Plasma Sintering. MATERIALS 2019; 12:ma12030484. [PMID: 30720770 PMCID: PMC6384796 DOI: 10.3390/ma12030484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 02/02/2019] [Accepted: 02/03/2019] [Indexed: 01/09/2023]
Abstract
Hydroxyapatite (HAP) has excellent biocompatibility with living bone tissue and does not cause defensive body reactions, therefore, it has become one of the most widely used calcium phosphate materials in dental and medical fields. However, its poor mechanical properties have been a substantial challenge in the application of HAP for the replacement of load-bearing or large bone defects. Laminated HAP–45S5 bioglass ceramics composites were prepared by the spark plasma sintering (SPS) technique. The interface structures between the HAP and 45S5 bioglass layers and the mechanical properties of the laminated composites were investigated. It was demonstrated that there was mutual transfer and exchange of Ca and Na atoms at the interface between 45S5 bioglass/HAP laminated layers, which contributed considerably to the interfacial bonding. Due from the laminated structure and strong interface bonding, laminated HAP–45S5 bioglass is recommended for structural applications.
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Affiliation(s)
- Ye Meng
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- National Demonstration Center for Experimental Materials Education, University of Science and Technology Beijing, Beijing 100083, China.
| | - Wenjiang Qiang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
| | - Jingqin Pang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- National Demonstration Center for Experimental Materials Education, University of Science and Technology Beijing, Beijing 100083, China.
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Karadjian M, Essers C, Tsitlakidis S, Reible B, Moghaddam A, Boccaccini AR, Westhauser F. Biological Properties of Calcium Phosphate Bioactive Glass Composite Bone Substitutes: Current Experimental Evidence. Int J Mol Sci 2019; 20:ijms20020305. [PMID: 30646516 PMCID: PMC6359412 DOI: 10.3390/ijms20020305] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 12/19/2022] Open
Abstract
Standard treatment for bone defects is the biological reconstruction using autologous bone—a therapeutical approach that suffers from limitations such as the restricted amount of bone available for harvesting and the necessity for an additional intervention that is potentially followed by donor-site complications. Therefore, synthetic bone substitutes have been developed in order to reduce or even replace the usage of autologous bone as grafting material. This structured review focuses on the question whether calcium phosphates (CaPs) and bioactive glasses (BGs), both established bone substitute materials, show improved properties when combined in CaP/BG composites. It therefore summarizes the most recent experimental data in order to provide a better understanding of the biological properties in general and the osteogenic properties in particular of CaP/BG composite bone substitute materials. As a result, BGs seem to be beneficial for the osteogenic differentiation of precursor cell populations in-vitro when added to CaPs. Furthermore, the presence of BG supports integration of CaP/BG composites into bone in-vivo and enhances bone formation under certain circumstances.
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Affiliation(s)
- Maria Karadjian
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Christopher Essers
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Stefanos Tsitlakidis
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Bruno Reible
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
| | - Arash Moghaddam
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
- ATORG-Aschaffenburg Trauma and Orthopedics Research Group, Center for Trauma Surgery, Orthopedics, and Sports Medicine, Klinikum Aschaffenburg-Alzenau, Am Hasenkopf 1, 63739 Aschaffenburg, Germany.
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058 Erlangen, Germany.
| | - Fabian Westhauser
- Center of Orthopedics, Traumatology, and Spinal Cord Injury, Heidelberg University Hospital, Schlierbacher Landstr. 200a, 69118 Heidelberg, Germany.
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45
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Xu JZ, Ren Y, Yin HM, Huang YF, Liu W, Zhao B, Gul RM, Li ZM. Bone-like Polymeric Composites with a Combination of Bioactive Glass and Hydroxyapatite: Simultaneous Enhancement of Mechanical Performance and Bioactivity. ACS Biomater Sci Eng 2018; 4:4434-4442. [PMID: 33418836 DOI: 10.1021/acsbiomaterials.8b01174] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An ideal bone substitute requires not only high bioactivity but also sufficient mechanical performance, which is however inaccessible due to the lack of rational structure and composition design. Here, bioactive glass (BG)/hydroxyapatite (HA)/polyethylene (PE) composites with bone-like structure were prepared via a structuring injection molding. The strong and reciprocating shear field offered by the modified injection molding induced plenty of interlocked shish kebabs, mimicking the aligned collagen fibers in the natural bone. Such a bone-like structure enhanced the strength and toughness of the BG/HA/PE composites simultaneously, compensating the mechanical loss caused by the presence of BG. In vitro cell culture assays demonstrated that the combination of BG and HA significantly promoted cell attachment, proliferation, and alkaline phosphatase activity compared to the use of HA alone. It was attributed to upregulated expression of β-catenin stimulated by BG. The mineralization in simulated body fluid revealed that the BG/HA/PE composite exhibited apatite-forming ability stronger than that of the HA/PE counterpart. The integration of excellent mechanical performance and high bioactivity demonstrated the significant potential of the structured BG/HA/PE composites as load-bearing bone substitutes.
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Affiliation(s)
- Jia-Zhuang Xu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Yue Ren
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Hua-Mo Yin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Yan-Fei Huang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Wei Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
| | - Baisong Zhao
- Department of Anesthesiology, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, 510623 Guangzhou, China
| | - Rizwan M Gul
- Department of Mechanical Engineering, University of Engineering and Technology, 25120 Peshawar, Pakistan
| | - Zhong-Ming Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, 610065 Chengdu, China
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46
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Bone Regeneration by Novel Bioactive Glasses Containing Strontium and/or Magnesium: A Preliminary In-Vivo Study. MATERIALS 2018; 11:ma11112223. [PMID: 30413108 PMCID: PMC6266095 DOI: 10.3390/ma11112223] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/17/2018] [Accepted: 11/04/2018] [Indexed: 01/08/2023]
Abstract
In this work, a set of novel bioactive glasses have been tested in vivo in an animal model. The new compositions, characterized by an exceptional thermal stability and high in vitro bioactivity, contain strontium and/or magnesium, whose biological benefits are well documented in the literature. To simulate a long-term implant and to study the effect of the complete dissolution of glasses, samples were implanted in the mid-shaft of rabbits' femur and analyzed 60 days after the surgery; such samples were in undersized powder form. The statistical significance with respect to the type of bioactive glass was analyzed by Kruskal⁻Wallis test. The results show high levels of bone remodeling, several new bone formations containing granules of calcium phosphate (sometimes with amounts of strontium and/or magnesium), and the absence of adverse effects on bone processes due to the almost complete glass dissolution. In vivo results confirming the cell culture outcomes of a previous study highlighted that these novel bioglasses had osteostimulative effect without adverse skeletal reaction, thus indicating possible beneficial effects on bone formation processes. The presence of strontium in the glasses seems to be particularly interesting.
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47
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Valentim RMB, Andrade SMC, Dos Santos MEM, Santos AC, Pereira VS, Dos Santos IP, Dias CGBT, Dos Reis MAL. Composite Based on Biphasic Calcium Phosphate (HA/β-TCP) and Nanocellulose from the Açaí Tegument. MATERIALS 2018; 11:ma11112213. [PMID: 30412992 PMCID: PMC6266682 DOI: 10.3390/ma11112213] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/29/2018] [Accepted: 10/01/2018] [Indexed: 12/28/2022]
Abstract
The use of lignocellulosic remnants of the açaí agro-business will benefit the environment with a precursor material for biomedical applications. Nanocellulose (NC) allows the biomimetic growth of biphasic ceramics on its surface, with characteristics compatible with bone tissue, including bioactive properties and biocompatibility. In this study, the composites were obtained from açaí tegument (Euterpe Oleracea Mart.) NC using acid hydrolysis. The characterization performed by scanning electron microscopy showed the characteristic crystals of hydroxyapatite (HA) and calcium triphosphate (β-TCP) based on the results of X-ray diffraction, with the peak at 22°, showing the NC nucleation of HA and peak at 17° showing tricalcium phosphate (β-TCP). Fourier transform infrared spectroscopy confirmed the presence of O-H at 3400 cm−1 and C-H at 2900 cm−1, which is characteristic of cellulose; peaks were also observed at 1609 cm−1, verifying the reduction in lignin content. Groups PO4−3 at approximately 1070 cm−1, P-OH at 910–1040 cm−1, and HCO3− at 2450 cm−1 confirmed the formation of HA and β-TCP. The zeta potential had a range of −11 ± 23.8 mV related to particle size, which had a range of 164.2 × 10−9–4748 × 10−9 m.
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Affiliation(s)
- Rachel M B Valentim
- Post-Graduation in Natural Resources Engineering of the Amazon-PRODERNA, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Sabina M C Andrade
- Federal Institute of Education, Science and Technology of Pará-IFPA, Campus Belém, Pará 66093-020, Brazil.
| | - Maria E M Dos Santos
- Post-Graduation in Mechanical Engineering-PPGEM, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Aline C Santos
- Post-Graduation in Mechanical Engineering-PPGEM, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Victor S Pereira
- Post-Graduation in Mechanical Engineering-PPGEM, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Izael P Dos Santos
- Post-Graduation in Mechanical Engineering-PPGEM, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Carmen G B T Dias
- Post-Graduation in Mechanical Engineering-PPGEM, Federal University of Pará, Belém, Pará 66075-110, Brazil.
| | - Marcos A L Dos Reis
- Post-Graduation in Natural Resources Engineering of the Amazon-PRODERNA, Federal University of Pará, Belém, Pará 66075-110, Brazil.
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48
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Thermal Behavior, Sintering and Mechanical Characterization of Multiple Ion-Substituted Hydroxyapatite Bioceramics. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0969-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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49
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Xu Y, Lu T, He F, Ma N, Ye J, Wu T. Enhancing the Cell-Biological Performances of Hydroxyapatite Bioceramic by Constructing Silicate-Containing Grain Boundary Phases via Sol Infiltration. ACS Biomater Sci Eng 2018; 4:3154-3162. [PMID: 33435056 DOI: 10.1021/acsbiomaterials.8b00697] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Hydroxyapatite (HA) is well-known as one of the excellent bone repair biomaterials because of its chemical similarity with biological apatite. However, weak bioactivity obstructs its application. Although the bioactivity of HA bioceramic could be enhanced by the incorporation of bioactive glass (BG), the dramatic decrease of its mechanical property is consistently a disturbance to the reliable efficacy of traditional modified HA bioceramic. In this study, HA bioceramic was modified by infiltration of BG sol and formation of silicate-containing grain boundary phases during subsequent sintering. The phase compositions, microstructure, mechanical performance, in vitro degradation behaviors, and osteogenesis of the bioceramic were investigated. The modified HA bioceramic exhibited an interesting phenomenon in which the HA grains were uniformly enveloped by the small silicate-containing grains in the boundaries of HA grains. The microporosity of modified HA bioceramics was up to 25.27% ± 0.01%, much higher than that of unmodified HA bioceramic (1.74% ± 0.27%). The compressive strength of the modified HA bioceramic via BG sol infiltration was much higher than that of the HA bioceramic modified by BG via mechanical blending method, though slightly lower than that of the blank. Moreover, mouse bone mesenchymal stem cells (mBMSCs) cultured on modified bioceramic displayed better adhesion morphology and proliferation, and had an enhanced expression of osteogenesis-related genes. This study offers a new strategy to improve the bioactivity of HA bioceramic without obvious deterioration in mechanical strength.
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Affiliation(s)
- Yubin Xu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.,National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Teliang Lu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.,National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Fupo He
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Ning Ma
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.,National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Jiandong Ye
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China.,National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
| | - Tingting Wu
- Center of Joint Surgery and Sports Medicine, Institute of Orthopedic Diseases, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China
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50
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Tailoring the mechanical property and cell-biological response of β-tricalcium phosphate composite bioceramics by SrO-P 2O 5-Na 2O based additive. J Mech Behav Biomed Mater 2018; 86:215-223. [PMID: 29986296 DOI: 10.1016/j.jmbbm.2018.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 06/25/2018] [Accepted: 06/25/2018] [Indexed: 01/24/2023]
Abstract
β-tricalcium phosphate (β-TCP) bioceramic, which is a prevalent bone graft, is deficient in mechanical strength and mediating the biological functions. In the present study, β-tricalcium phosphate composite bioceramics (TCP/SPNs) were prepared by introducing SrO-P2O5-Na2O based (SPN) sintering additive. With increasing mole ratio of SrO to P2O5, the SPN tended to crystallize. In the liquid-phase sintering process, β-TCP reacted with SPN, producing new compounds. The difference in characteristic of SPN additive affected the compressive strength and cell-biological response of the fabricated TCP/SPNs. By selecting SPN with appropriate formulation, the TCP/SPNs not only could more than double their compressive strength, but also improved the cell viability, promoted osteogenic differentiation and inhibited osteoclastic activities. Taken together, this work establishes a beneficial strategy to improve the overall performance of calcium phosphate bioceramic for application in bone regeneration.
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