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Bigham A, Raucci MG, Zheng K, Boccaccini AR, Ambrosio L. Oxygen-Deficient Bioceramics: Combination of Diagnosis, Therapy, and Regeneration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302858. [PMID: 37259776 DOI: 10.1002/adma.202302858] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/15/2023] [Indexed: 06/02/2023]
Abstract
The journey of ceramics in medicine has been synchronized with an evolution from the first generation-alumina, zirconia, etc.-to the third -3D scaffolds. There is an up-and-coming member called oxygen-deficient or colored bioceramics, which have recently found their way through biomedical applications. The oxygen vacancy steers the light absorption toward visible and near infrared regions, making the colored bioceramics multifunctional-therapeutic, diagnostic, and regenerative. Oxygen-deficient bioceramics are capable of turning light into heat and reactive oxygen species for photothermal and photodynamic therapies, respectively, and concomitantly yield infrared and photoacoustic images. Different types of oxygen-deficient bioceramics have been recently developed through various synthesis routes. Some of them like TiO2- x , MoO3- x , and WOx have been more investigated for biomedical applications, whereas the rest have yet to be scrutinized. The most prominent advantage of these bioceramics over the other biomaterials is their multifunctionality endowed with a change in the microstructure. There are some challenges ahead of this category discussed at the end of the present review. By shedding light on this recently born bioceramics subcategory, it is believed that the field will undergo a big step further as these platforms are naturally multifunctional.
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Affiliation(s)
- Ashkan Bigham
- Institute of Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), Viale J. F. Kennedy 54-Mostra d'Oltremare pad. 20, Naples, 80125, Italy
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, Naples, 80125, Italy
| | - Maria Grazia Raucci
- Institute of Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), Viale J. F. Kennedy 54-Mostra d'Oltremare pad. 20, Naples, 80125, Italy
| | - Kai Zheng
- Jiangsu Key Laboratory of Oral Diseases and Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, 210029, China
| | - Aldo R Boccaccini
- Institute for Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Luigi Ambrosio
- Institute of Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), Viale J. F. Kennedy 54-Mostra d'Oltremare pad. 20, Naples, 80125, Italy
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52
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Gupta T, Ghosh SB, Bandyopadhyay-Ghosh S, Sain M. Is it possible to 3D bioprint load-bearing bone implants? A critical review. Biofabrication 2023; 15:042003. [PMID: 37669643 DOI: 10.1088/1758-5090/acf6e1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 09/05/2023] [Indexed: 09/07/2023]
Abstract
Rehabilitative capabilities of any tissue engineered scaffold rely primarily on the triad of (i) biomechanical properties such as mechanical properties and architecture, (ii) chemical behavior such as regulation of cytokine expression, and (iii) cellular response modulation (including their recruitment and differentiation). The closer the implant can mimic the native tissue, the better it can rehabilitate the damage therein. Among the available fabrication techniques, only 3D bioprinting (3DBP) can satisfactorily replicate the inherent heterogeneity of the host tissue. However, 3DBP scaffolds typically suffer from poor mechanical properties, thereby, driving the increased research interest in development of load-bearing 3DBP orthopedic scaffolds in recent years. Typically, these scaffolds involve multi-material 3D printing, comprising of at-least one bioink and a load-bearing ink; such that mechanical and biological requirements of the biomaterials are decoupled. Ensuring high cellular survivability and good mechanical properties are of key concerns in all these studies. 3DBP of such scaffolds is in early developmental stages, and research data from only a handful of preliminary animal studies are available, owing to limitations in print-capabilities and restrictive materials library. This article presents a topically focused review of the state-of-the-art, while highlighting aspects like available 3DBP techniques; biomaterials' printability; mechanical and degradation behavior; and their overall bone-tissue rehabilitative efficacy. This collection amalgamates and critically analyses the research aimed at 3DBP of load-bearing scaffolds for fulfilling demands of personalized-medicine. We highlight the recent-advances in 3DBP techniques employing thermoplastics and phosphate-cements for load-bearing applications. Finally, we provide an outlook for possible future perspectives of 3DBP for load-bearing orthopedic applications. Overall, the article creates ample foundation for future research, as it gathers the latest and ongoing research that scientists could utilize.
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Affiliation(s)
- Tanmay Gupta
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Subrata Bandhu Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Sanchita Bandyopadhyay-Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Mohini Sain
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada
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53
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Kühl J, Gorb S, Kern M, Klüter T, Kühl S, Seekamp A, Fuchs S. Extrusion-based 3D printing of osteoinductive scaffolds with a spongiosa-inspired structure. Front Bioeng Biotechnol 2023; 11:1268049. [PMID: 37790253 PMCID: PMC10544914 DOI: 10.3389/fbioe.2023.1268049] [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: 07/27/2023] [Accepted: 09/04/2023] [Indexed: 10/05/2023] Open
Abstract
Critical-sized bone defects resulting from trauma, inflammation, and tumor resections are individual in their size and shape. Implants for the treatment of such defects have to consider biomechanical and biomedical factors, as well as the individual conditions within the implantation site. In this context, 3D printing technologies offer new possibilities to design and produce patient-specific implants reflecting the outer shape and internal structure of the replaced bone tissue. The selection or modification of materials used in 3D printing enables the adaption of the implant, by enhancing the osteoinductive or biomechanical properties. In this study, scaffolds with bone spongiosa-inspired structure for extrusion-based 3D printing were generated. The computer aided design process resulted in an up scaled and simplified version of the bone spongiosa. To enhance the osteoinductive properties of the 3D printed construct, polycaprolactone (PCL) was combined with 20% (wt) calcium phosphate nano powder (CaP). The implants were designed in form of a ring structure and revealed an irregular and interconnected porous structure with a calculated porosity of 35.2% and a compression strength within the range of the natural cancellous bone. The implants were assessed in terms of biocompatibility and osteoinductivity using the osteosarcoma cell line MG63 and patient-derived mesenchymal stem cells in selected experiments. Cell growth and differentiation over 14 days were monitored using confocal laser scanning microscopy, scanning electron microscopy, deoxyribonucleic acid (DNA) quantification, gene expression analysis, and quantitative assessment of calcification. MG63 cells and human mesenchymal stem cells (hMSC) adhered to the printed implants and revealed a typical elongated morphology as indicated by microscopy. Using DNA quantification, no differences for PCL or PCL-CaP in the initial adhesion of MG63 cells were observed, while the PCL-based scaffolds favored cell proliferation in the early phases of culture up to 7 days. In contrast, on PCL-CaP, cell proliferation for MG63 cells was not evident, while data from PCR and the levels of calcification, or alkaline phosphatase activity, indicated osteogenic differentiation within the PCL-CaP constructs over time. For hMSC, the highest levels in the total calcium content were observed for the PCL-CaP constructs, thus underlining the osteoinductive properties.
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Affiliation(s)
- Julie Kühl
- Experimental Trauma Surgery, Department of Orthopedics and Trauma Surgery, University Medical Center, Kiel, Germany
| | - Stanislav Gorb
- Department of Functional Morphology and Biomechanics, Kiel University, Kiel, Germany
| | - Matthias Kern
- Department of Prosthodontics, Propaedeutics and Dental Material, University Medical Center, Kiel, Germany
| | - Tim Klüter
- Experimental Trauma Surgery, Department of Orthopedics and Trauma Surgery, University Medical Center, Kiel, Germany
| | - Sebastian Kühl
- Department of Electrical and Information Engineering, Kiel University, Kiel, Germany
| | - Andreas Seekamp
- Experimental Trauma Surgery, Department of Orthopedics and Trauma Surgery, University Medical Center, Kiel, Germany
| | - Sabine Fuchs
- Experimental Trauma Surgery, Department of Orthopedics and Trauma Surgery, University Medical Center, Kiel, Germany
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54
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Xu C, Xia Y, Zhuang P, Liu W, Mu C, Liu Z, Wang J, Chen L, Dai H, Luo Z. FePSe 3 -Nanosheets-Integrated Cryogenic-3D-Printed Multifunctional Calcium Phosphate Scaffolds for Synergistic Therapy of Osteosarcoma. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303636. [PMID: 37217971 DOI: 10.1002/smll.202303636] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/11/2023] [Indexed: 05/24/2023]
Abstract
Clinical treatment of osteosarcoma encounters great challenges of postsurgical tumor recurrence and extensive bone defect. To develop an advanced artificial bone substitute that can achieve synergistic bone regeneration and tumor therapy for osteosarcoma treatment, a multifunctional calcium phosphate composite enabled by incorporation of bioactive FePSe3 -nanosheets within the cryogenic-3D-printed α-tricalcium phosphate scaffold (TCP-FePSe3 ) is explored. The TCP-FePSe3 scaffold exhibits remarkable tumor ablation ability due to the excellent NIR-II (1064 nm) photothermal property of FePSe3 -nanosheets. Moreover, the biodegradable TCP-FePSe3 scaffold can release selenium element to suppress tumor recurrence by activating of the caspase-dependent apoptosis pathway. In a subcutaneous tumor model, it is demonstrated that tumors can be efficiently eradicated via the combination treatment with local photothermal ablation and the antitumor effect of selenium element. Meanwhile, in a rat calvarial bone defect model, the superior angiogenesis and osteogenesis induced by TCP-FePSe3 scaffold have been observed in vivo. The TCP-FePSe3 scaffold possesses improved capability to promote the repair of bone defects via vascularized bone regeneration, which is induced by the bioactive ions of Fe, Ca, and P released during the biodegradation of the implanted scaffolds. The TCP-FePSe3 composite scaffolds fabricated by cryogenic-3D-printing illustrate a distinctive strategy to construct multifunctional platform for osteosarcoma treatment.
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Affiliation(s)
- Chao Xu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yuhao Xia
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Pengzhen Zhuang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Wenliang Liu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Congpu Mu
- Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China
| | - Zhongyuan Liu
- Center for High Pressure Science, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China
| | - Jianglin Wang
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Honglian Dai
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, China
| | - Zhiqiang Luo
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
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Yang YY, Zheng Y, Liu JJ, Chang ZP, Wang YH, Shao YY, Hou RG, Zhang X. Natural Chlorogenic Acid Planted Nanohybrids with Steerable Hyperthermia for Osteosarcoma Suppression and Bone Regeneration. Adv Healthc Mater 2023; 12:e2300325. [PMID: 37167574 DOI: 10.1002/adhm.202300325] [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: 01/31/2023] [Revised: 05/05/2023] [Indexed: 05/13/2023]
Abstract
Surgical resection is the most common approach for the treatment of osteosarcoma. However, two major complications, including residual tumor cells and large bone defects, often arise from the surgical resection of osteosarcoma. Discovering new strategies for programmatically solving the two above-mentioned puzzles has become a worldwide challenge. Herein, a novel one-step strategy is reported for natural phenolic acid planted nanohybrids with desired physicochemical properties and steerable photothermal effects for efficacious osteosarcoma suppression and bone healing. Nanohybrids are prepared based on the self-assembly of chlorogenic acid and gold nanorods through robust Au-catechol interface actions, featuring precise nanostructures, great water solubility, good stability, and adjustable hyperthermia generating capacity. As expected, on the one hand, these integrated nanohybrids can severely trigger apoptosis and suppress tumor growth with strong hyperthermia. On the other hand, with controllable mild NIR irradiation, the nanohybrids promote the expression of heat shock proteins and induce prominent osteogenic differentiation. This work initiates a brand-new strategy for assisting osteosarcoma surgical excision to resolve the blockage of residual tumor cells elimination and bone regeneration.
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Affiliation(s)
- Yu-Ying Yang
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Yuan Zheng
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Jun-Jin Liu
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Zhuang-Peng Chang
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Yue-Hua Wang
- The Third People's Hospital of Taiyuan, Taiyuan, Shanxi, 030001, P. R. China
| | - Yun-Yun Shao
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Rui-Gang Hou
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
| | - Xiao Zhang
- Department of Pharmacy, Second Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
- Department of Pharmacy, Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030001, P. R. China
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56
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Ghaedamini S, Karbasi S, Hashemibeni B, Honarvar A, Rabiei A. PCL/Agarose 3D-printed scaffold for tissue engineering applications: fabrication, characterization, and cellular activities. Res Pharm Sci 2023; 18:566-579. [PMID: 37842514 PMCID: PMC10568963 DOI: 10.4103/1735-5362.383711] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/10/2023] [Accepted: 07/15/2023] [Indexed: 10/17/2023] Open
Abstract
Background and purpose Biomaterials, scaffold manufacturing, and design strategies with acceptable mechanical properties are the most critical challenges facing tissue engineering. Experimental approach In this study, polycaprolactone (PCL) scaffolds were fabricated through a novel three-dimensional (3D) printing method. The PCL scaffolds were then coated with 2% agarose (Ag) hydrogel. The 3D-printed PCL and PCL/Ag scaffolds were characterized for their mechanical properties, porosity, hydrophilicity, and water absorption. The construction and morphology of the printed scaffolds were evaluated via Fourier-Transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The attachment and proliferation of L929 cells cultured on the scaffolds were investigated through MTT assay on the cell culture study upon the 1st, 3rd, and 7th days. Findings/Results The incorporation of Ag hydrogel with PCL insignificantly decreased the mechanical strength of the scaffold. The presence of Ag enhanced the hydrophilicity and water absorption of the scaffolds, which could positively influence their cell behavior compared to the PCL scaffolds. Regarding cell morphology, the cells on the PCL scaffolds had a more rounded shape and less cell spreading, representing poor cell attachment and cell-scaffold interaction due to the hydrophobic nature of PCL. Conversely, the cells on the PCL/Ag scaffolds were elongated with a spindle-shaped morphology indicating a positive cell-scaffold interaction. Conclusion and implications PCL/Ag scaffolds can be considered appropriate for tissue-engineering applications.
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Affiliation(s)
- Sho’leh Ghaedamini
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Saeed Karbasi
- Department of Biomaterials, Nanotechnology and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Batool Hashemibeni
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Honarvar
- Cellular and Molecular Research Center, Faculty of Medicine, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Abbasali Rabiei
- Department of Anatomical Sciences, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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57
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Han Y, Cao L, Li G, Zhou F, Bai L, Su J. Harnessing Nucleic Acids Nanotechnology for Bone/Cartilage Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301996. [PMID: 37116115 DOI: 10.1002/smll.202301996] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/29/2023] [Indexed: 06/19/2023]
Abstract
The effective regeneration of weight-bearing bone defects and critical-sized cartilage defects remains a significant clinical challenge. Traditional treatments such as autologous and allograft bone grafting have not been successful in achieving the desired outcomes, necessitating the need for innovative therapeutic approaches. Nucleic acids have attracted significant attention due to their ability to be designed to form discrete structures and programmed to perform specific functions at the nanoscale. The advantages of nucleic acid nanotechnology offer numerous opportunities for in-cell and in vivo applications, and hold great promise for advancing the field of biomaterials. In this review, the current abilities of nucleic acid nanotechnology to be applied in bone and cartilage regeneration are summarized and insights into the challenges and future directions for the development of this technology are provided.
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Affiliation(s)
- Yafei Han
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
| | - Liehu Cao
- Department of Orthopedics, Shanghai Luodian Hospital, Shanghai, 201908, China
| | - Guangfeng Li
- Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai, 201941, China
| | - Fengjin Zhou
- Department of Orthopaedics, Honghui Hospital, Xi'an Jiao Tong University, Xi'an, 710000, China
| | - Long Bai
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
| | - Jiacan Su
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, China
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58
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Wang P, Gong Y, Zhou G, Ren W, Wang X. Biodegradable Implants for Internal Fixation of Fractures and Accelerated Bone Regeneration. ACS OMEGA 2023; 8:27920-27931. [PMID: 37576626 PMCID: PMC10413843 DOI: 10.1021/acsomega.3c02727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023]
Abstract
Bone fractures have always been a burden to patients due to their common occurrence and severe complications. Traditionally, operative treatments have been widely used in the clinic for implanting, despite the fact that they can only achieve bone fixation with limited stability and pose no effect on promoting tissue growth. In addition, the nondegradable implants usually need a secondary surgery for implant removal, otherwise they may block the regeneration of bones resulting in bone nonunion. To overcome the low degradability of implants and avoid multiple surgeries, tissue engineers have investigated various biodegradable materials for bone regeneration, whereas the significance of stability of long-term bone fixation tends to be neglected during this process. Combining the traditional orthopedic implantation surgeries and emerging tissue engineering, we believe that both bone fixation and bone regeneration are indispensable factors for a successful bone repair. Herein, we define such a novel idea as bone regenerative fixation (BRF), which should be the main future development trend of biodegradable materials.
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Affiliation(s)
- Pei Wang
- Department
of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of
Tissue Engineering, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Yan Gong
- Department
of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of
Tissue Engineering, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Guangdong Zhou
- Department
of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of
Tissue Engineering, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Institute
of Regenerative Medicine and Orthopedics, Institutes of Health Central
Plain, Xinxiang Medical University, Henan 453003, China
| | - Wenjie Ren
- Institute
of Regenerative Medicine and Orthopedics, Institutes of Health Central
Plain, Xinxiang Medical University, Henan 453003, China
| | - Xiansong Wang
- Department
of Plastic and Reconstructive Surgery, Shanghai Key Laboratory of
Tissue Engineering, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
- Institute
of Regenerative Medicine and Orthopedics, Institutes of Health Central
Plain, Xinxiang Medical University, Henan 453003, China
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Zhu C, Zhou Q, Tang L, Xuan A, Xu C, Wang Z, Ruan D. The Inhibitory Effect of RADKPS on Pyroptosis of Nucleus Pulposus-Derived Mesenchymal Stem Cells. Tissue Eng Part A 2023; 29:424-438. [PMID: 37279291 DOI: 10.1089/ten.tea.2022.0212] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023] Open
Abstract
Intervertebral disc (IVD) degeneration (IDD) is a primary cause of low-back pain in people, which is associated with nucleus pulposus-derived mesenchymal stem cells (NPMSCs). In this study, the involvement of lipopolysaccharide (LPS) in the pyroptosis of NPMSCs was investigated. The effect of RADKPS on the pyroptosis of NPMSCs and the underlying mechanism behind the impact of RADKPS on the proliferative capacity of NPMSCs were also studied. Pyroptosis of NPMSCs was induced with 10 μg/mL LPS and its effects on the downstream signaling pathways were explored. The protective effect of RADKPS on NPMSCs under the action of LPS and its possible mechanism were explored, using different techniques such as immunohistochemical analysis, cell proliferation assay, quantitative real-time polymerase chain reaction (qPCR), and Western blot analysis. Accordingly, caspase1/p20/p10, a protein associated with pyroptosis, was found to be overexpressed in LPS-challenged NPMSCs, Furthermore, the qPCR results demonstrated that LPS promoted the expression of pyroptosis-related gene IL-1β (p < 0.0001), while downregulating the expression of Sox-9 (p < 0.001), which was a gene associated with the extracellular matrix. The immunohistochemical results identified lowered extracellular signal-regulated kinase 1/2 (ERK1/2) expression and phosphorylated (p-)ERK1/2 in the degenerated IVD tissues. In this study, the influence of RADKPS on the proliferative ability of NPMSCs was evaluated using two-dimensional (2D) and three-dimensional (3D) cultures. It was noted that RADKPS promoted the proliferation of NPMSCs in 2D and 3D cultures. The findings of the Western blot experiments revealed that RADKPS inhibited the expression of pyroptosis-related proteins, while it upregulated the p-ERK1/2 (p < 0.001), RhoA (p < 0.01), collagen II (p < 0.01), and Sox-9 (p < 0.01), whereas ERK inhibitor PD98059 and RhoA signaling pathway inhibitor CCG-1423 inhibited their expression. These findings reveal to us that RADKPS hydrogel may protect NPMSCs from pyroptosis. It was also noted that cell proliferation-related signaling pathways may promote the proliferation of NPMSCs. The results revealed that RADKPS hydrogel could be used as a potential therapeutic approach for IDD. Impact Statement RADKPS inhibits the pyroptosis of NPMSCs and promotes the production of extracellular matrix, which has the potential of intervertebral disc biotherapy.
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Affiliation(s)
- Chao Zhu
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Qing Zhou
- Department of Orthopedic Surgery, Navy Clinical College of Anhui Medical University, Beijing, China
| | - Liang Tang
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Anwu Xuan
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Cheng Xu
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Zuqiang Wang
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Dike Ruan
- Department of Orthopedic Surgery, The Sixth Medical Centre of PLA General Hospital, Beijing, China
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong, China
- Department of Orthopedic Surgery, Navy Clinical College of Anhui Medical University, Beijing, China
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60
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Bian Y, Cai X, Lv Z, Xu Y, Wang H, Tan C, Liang R, Weng X. Layered Double Hydroxides: A Novel Promising 2D Nanomaterial for Bone Diseases Treatment. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2301806. [PMID: 37329200 PMCID: PMC10460877 DOI: 10.1002/advs.202301806] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/07/2023] [Indexed: 06/18/2023]
Abstract
Bone diseases including bone defects, bone infections, osteoarthritis, and bone tumors seriously affect life quality of the patient and bring serious economic burdens to social health management, for which the current clinical treatments bear dissatisfactory therapeutic effects. Biomaterial-based strategies have been widely applied in the treatment of orthopedic diseases but are still plagued by deficient bioreactivity. With the development of nanotechnology, layered double hydroxides (LDHs) with adjustable metal ion composition and alterable interlayer structure possessing charming physicochemical characteristics, versatile bioactive properties, and excellent drug loading and delivery capabilities arise widespread attention and have achieved considerable achievements for bone disease treatment in the last decade. However, to the authors' best knowledge, no review has comprehensively summarized the advances of LDHs in treating bone disease so far. Herein, the advantages of LDHs for orthopedic disorders treatment are outlined and the corresponding state-of-the-art achievements are summarized for the first time. The potential of LDHs-based nanocomposites for extended therapeutics for bone diseases is highlighted and perspectives for LDHs-based scaffold design are proposed for facilitated clinical translation.
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Affiliation(s)
- Yixin Bian
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Xuejie Cai
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Zehui Lv
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Yiming Xu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Han Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
| | - Chaoliang Tan
- Department of Chemistry and Center of Super‐Diamond and Advanced Films (COSDAF)City University of Hong KongKowloonHong KongP. R. China
- Shenzhen Research InstituteCity University of Hong KongShenzhen518057P. R. China
| | - Ruizheng Liang
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijing100029P. R. China
| | - Xisheng Weng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730P. R. China
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Zhao C, Shu C, Yu J, Zhu Y. Metal-organic frameworks functionalized biomaterials for promoting bone repair. Mater Today Bio 2023; 21:100717. [PMID: 37545559 PMCID: PMC10401359 DOI: 10.1016/j.mtbio.2023.100717] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 08/08/2023] Open
Abstract
Bone defects induced by bone trauma, tumors and osteoarthritis greatly affect the life quality and health of patients. The biomaterials with numerous advantages are becoming the most preferred options for repairing bone defects and treating orthopedic diseases. However, their repairing effects remains unsatisfactory, especially in bone defects suffering from tumor, inflammation, and/or bacterial infection. There are several strategies to functionalize biomaterials, but a more general and efficient method is essential for accomplishing the functionalization of biomaterials. Possessing high specific surface, high porosity, controlled degradability and variable composition, metal-organic frameworks (MOFs) materials are inherently advantageous for functionalizing biomaterials, with tremendous improvements having been achieved. This review summarizes recent progresses in MOFs functionalized biomaterials for promoting bone repair and therapeutic effects. In specific, by utilizing various properties of diverse MOFs materials, integrated MOFs functionalized biomaterials achieve enhanced bone regeneration, antibacterial, anti-inflammatory and anti-tumor functions. Finally, the summary and prospects of on the development of MOFs-functionalized biomaterials for promoting bone repair were discussed.
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Affiliation(s)
- Chaoqian Zhao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Chaoqin Shu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Jiangming Yu
- Department of Orthopaedics, Tongren Hospital, Shanghai Jiaotong University, Shanghai, 200336, PR China
| | - Yufang Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
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Verykokou S, Ioannidis C, Angelopoulos C. CBCT-Based Design of Patient-Specific 3D Bone Grafts for Periodontal Regeneration. J Clin Med 2023; 12:5023. [PMID: 37568425 PMCID: PMC10419991 DOI: 10.3390/jcm12155023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
The purpose of this article is to define and implement a methodology for the 3D design of customized patient-specific scaffolds (bone grafts) for the regeneration of periodontal tissues. The prerequisite of the proposed workflow is the three-dimensional (3D) structure of the periodontal defect, i.e., the 3D model of the hard tissues (alveolar bone and teeth) around the periodontal damage, which is proposed to be generated via a segmentation and 3D editing methodology using cone beam computed tomography (CBCT) data. Two types of methodologies for 3D periodontal scaffold (graft) design are described: (i) The methodology of designing periodontal defect customized block grafts and (ii) the methodology of designing extraction socket preservation customized grafts. The application of the proposed methodology for the generation of a 3D model of the hard tissues around periodontal defects of a patient using a CBCT scan and the 3D design of the two aforementioned types of scaffolds for personalized periodontal regenerative treatment shows promising results. The outputs of this work will be used as the basis for the 3D printing of bioabsorbable scaffolds of personalized treatment against periodontitis, which will simultaneously be used as sustained-release drug carriers.
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Affiliation(s)
- Styliani Verykokou
- Laboratory of Photogrammetry, School of Rural, Surveying and Geoinformatics Engineering, National Technical University of Athens, 15780 Athens, Greece;
| | - Charalabos Ioannidis
- Laboratory of Photogrammetry, School of Rural, Surveying and Geoinformatics Engineering, National Technical University of Athens, 15780 Athens, Greece;
| | - Christos Angelopoulos
- Department of Oral Diagnosis and Radiology, School of Dentistry, National and Kapodistrian University of Athens, 11527 Athens, Greece;
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Yuste I, Luciano FC, Anaya BJ, Sanz-Ruiz P, Ribed-Sánchez A, González-Burgos E, Serrano DR. Engineering 3D-Printed Advanced Healthcare Materials for Periprosthetic Joint Infections. Antibiotics (Basel) 2023; 12:1229. [PMID: 37627649 PMCID: PMC10451995 DOI: 10.3390/antibiotics12081229] [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: 06/19/2023] [Revised: 07/12/2023] [Accepted: 07/18/2023] [Indexed: 08/27/2023] Open
Abstract
The use of additive manufacturing or 3D printing in biomedicine has experienced fast growth in the last few years, becoming a promising tool in pharmaceutical development and manufacturing, especially in parenteral formulations and implantable drug delivery systems (IDDSs). Periprosthetic joint infections (PJIs) are a common complication in arthroplasties, with a prevalence of over 4%. There is still no treatment that fully covers the need for preventing and treating biofilm formation. However, 3D printing plays a major role in the development of novel therapies for PJIs. This review will provide a deep understanding of the different approaches based on 3D-printing techniques for the current management and prophylaxis of PJIs. The two main strategies are focused on IDDSs that are loaded or coated with antimicrobials, commonly in combination with bone regeneration agents and 3D-printed orthopedic implants with modified surfaces and antimicrobial properties. The wide variety of printing methods and materials have allowed for the manufacture of IDDSs that are perfectly adjusted to patients' physiognomy, with different drug release profiles, geometries, and inner and outer architectures, and are fully individualized, targeting specific pathogens. Although these novel treatments are demonstrating promising results, in vivo studies and clinical trials are required for their translation from the bench to the market.
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Affiliation(s)
- Iván Yuste
- Pharmaceutics and Food Technology Department, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain; (I.Y.); (F.C.L.); (B.J.A.); (D.R.S.)
| | - Francis C. Luciano
- Pharmaceutics and Food Technology Department, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain; (I.Y.); (F.C.L.); (B.J.A.); (D.R.S.)
| | - Brayan J. Anaya
- Pharmaceutics and Food Technology Department, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain; (I.Y.); (F.C.L.); (B.J.A.); (D.R.S.)
| | - Pablo Sanz-Ruiz
- Orthopaedic and Trauma Department, Hospital General Universitario Gregorio Marañón, 28029 Madrid, Spain;
- Department of Surgery, Faculty of Medicine, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - Almudena Ribed-Sánchez
- Hospital Pharmacy Unit, Hospital General Universitario Gregorio Marañón, 28029 Madrid, Spain;
| | - Elena González-Burgos
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - Dolores R. Serrano
- Pharmaceutics and Food Technology Department, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain; (I.Y.); (F.C.L.); (B.J.A.); (D.R.S.)
- Instituto Universitario de Farmacia Industrial, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
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Wang J, Wang X, Liang Z, Lan W, Wei Y, Hu Y, Wang L, Lei Q, Huang D. Injectable antibacterial Ag-HA/ GelMA hydrogel for bone tissue engineering. Front Bioeng Biotechnol 2023; 11:1219460. [PMID: 37388768 PMCID: PMC10300446 DOI: 10.3389/fbioe.2023.1219460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/02/2023] [Indexed: 07/01/2023] Open
Abstract
Background: Fracture or bone defect caused by accidental trauma or disease is a growing medical problem that threats to human health.Currently, most orthopedic implant materials must be removed via follow-up surgery, which requires a lengthy recovery period and may result in bacterial infection. Building bone tissue engineering scaffolds with hydrogel as a an efficient therapeutic strategy has outstanding bionic efficiency.By combining some bionic inorganic particles and hydrogels to imitate the organic-inorganic characteristics of natural bone extracellular matrix, developing injectable multifunctional hydrogels with bone tissue repair effects and also displaying excellent antibacterial activity possesses attractive advantages in the field of minimally invasive therapy in clinical. Methods: In the present work, a multifunctional injectable hydrogel formed by photocrosslinking was developed by introducing hydroxyapatite (HA) microspheres to Gelatin Methacryloyl (GelMA) hydrogel. Results: The composite hydrogels exhibited good adhesion and bending resistance properties due to the existence of HA. In addition, when the concentration of GelMA is 10% and the concentration of HA microspheres is 3%, HA/GelMA hydrogel system displayed increased microstructure stability, lower swelling rate, increased viscosity, and improved mechanical properties. Furthermore, the Ag-HA/GelMA demonstrated good antibacterial activity against Staphylococcus aureus and Escherichia coli, which could signifificantly lower the risk of bacterial infection following implantation. According to cell experiment, the Ag-HA/GelMA hydrogel is capable of cytocompatibility and has low toxicity to MC3T3 cell. Conclusion: Therefore, the new photothermal injectable antibacterial hydrogel materials proposed in this study will provide a promising clinical bone repair strategy and is expected to as a minimally invasive treatment biomaterial in bone repair fields.
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Affiliation(s)
- Jiapu Wang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Xuefeng Wang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Ziwei Liang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Weiwei Lan
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Yan Wei
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Yinchun Hu
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Longfei Wang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Qi Lei
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-Biomaterials and Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
- Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan, China
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Hu X, Zhang Z, Wu H, Yang S, Zhao W, Che L, Wang Y, Cao J, Li K, Qian Z. Progress in the application of 3D-printed sodium alginate-based hydrogel scaffolds in bone tissue repair. BIOMATERIALS ADVANCES 2023; 152:213501. [PMID: 37321007 DOI: 10.1016/j.bioadv.2023.213501] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/21/2023] [Accepted: 06/05/2023] [Indexed: 06/17/2023]
Abstract
In recent years, hydrogels have been widely used in the biomedical field as materials with excellent bionic structures and biological properties. Among them, the excellent comprehensive properties of natural polymer hydrogels represented by sodium alginate have attracted the great attention of researchers. At the same time, by physically blending sodium alginate with other materials, the problems of poor cell adhesion and mechanical properties of sodium alginate hydrogels were directly improved without chemical modification of sodium alginate. The composite blending of multiple materials can also improve the functionality of sodium alginate hydrogels, and the prepared composite hydrogel also has a larger application field. In addition, based on the adjustable viscosity of sodium alginate-based hydrogels, sodium alginate-based hydrogels can be loaded with cells to prepare biological ink, and the scaffold can be printed out by 3D printing technology for the repair of bone defects. This paper first summarizes the improvement of the properties of sodium alginate and other materials after physical blending. Then, it summarizes the application progress of sodium alginate-based hydrogel scaffolds for bone tissue repair based on 3D printing technology in recent years. Moreover, we provide relevant opinions and comments to provide a theoretical basis for follow-up research.
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Affiliation(s)
- Xulin Hu
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China; State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, China
| | - Zhen Zhang
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Haoming Wu
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Shuhao Yang
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Weiming Zhao
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Lanyu Che
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Yao Wang
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Jianfei Cao
- School of Materials and Environmental Engineering, Chengdu Technological University, Chengdu 610031, China
| | - Kainan Li
- Clinical Medical College and Affiliated Hospital of Chengdu University, School of Mechanical Engineering of Chengdu University, Chengdu 610081, China
| | - Zhiyong Qian
- State Key Laboratory of Biotherapy, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, China.
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Sharma A, Kokil GR, He Y, Lowe B, Salam A, Altalhi TA, Ye Q, Kumeria T. Inorganic/organic combination: Inorganic particles/polymer composites for tissue engineering applications. Bioact Mater 2023; 24:535-550. [PMID: 36714332 PMCID: PMC9860401 DOI: 10.1016/j.bioactmat.2023.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 12/19/2022] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
Biomaterials have ushered the field of tissue engineering and regeneration into a new era with the development of advanced composites. Among these, the composites of inorganic materials with organic polymers present unique structural and biochemical properties equivalent to naturally occurring hybrid systems such as bones, and thus are highly desired. The last decade has witnessed a steady increase in research on such systems with the focus being on mimicking the peculiar properties of inorganic/organic combination composites in nature. In this review, we discuss the recent progress on the use of inorganic particle/polymer composites for tissue engineering and regenerative medicine. We have elaborated the advantages of inorganic particle/polymer composites over their organic particle-based composite counterparts. As the inorganic particles play a crucial role in defining the features and regenerative capacity of such composites, the review puts a special emphasis on the various types of inorganic particles used in inorganic particle/polymer composites. The inorganic particles that are covered in this review are categorised into two broad types (1) solid (e.g., calcium phosphate, hydroxyapatite, etc.) and (2) porous particles (e.g., mesoporous silica, porous silicon etc.), which are elaborated in detail with recent examples. The review also covers other new types of inorganic material (e.g., 2D inorganic materials, clays, etc.) based polymer composites for tissue engineering applications. Lastly, we provide our expert analysis and opinion of the field focusing on the limitations of the currently used inorganic/organic combination composites and the immense potential of new generation of composites that are in development.
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Affiliation(s)
- Astha Sharma
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Ganesh R. Kokil
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Yan He
- Institute of Regenerative and Translational Medicine, Department of Stomatology, Tianyou Hospital, Wuhan University of Science and Technology, Wuhan, 430030, China
| | - Baboucarr Lowe
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
| | - Arwa Salam
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, College of Science, Taif University, Taif, 21944, Saudi Arabia
| | - Qingsong Ye
- Center of Regenerative Medicine, Department of Stomatology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Tushar Kumeria
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- Australian Centre for Nanomedicine, University of New South Wales, Kensington, Sydney, NSW, 2052, Australia
- School of Pharmacy, University of Queensland, Woolloongabba, QLD, 4102, Australia
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Niu Y, Du T, Liu Y. Biomechanical Characteristics and Analysis Approaches of Bone and Bone Substitute Materials. J Funct Biomater 2023; 14:jfb14040212. [PMID: 37103302 PMCID: PMC10146666 DOI: 10.3390/jfb14040212] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/24/2023] [Accepted: 04/04/2023] [Indexed: 04/28/2023] Open
Abstract
Bone has a special structure that is both stiff and elastic, and the composition of bone confers it with an exceptional mechanical property. However, bone substitute materials that are made of the same hydroxyapatite (HA) and collagen do not offer the same mechanical properties. It is important for bionic bone preparation to understand the structure of bone and the mineralization process and factors. In this paper, the research on the mineralization of collagen is reviewed in terms of the mechanical properties in recent years. Firstly, the structure and mechanical properties of bone are analyzed, and the differences of bone in different parts are described. Then, different scaffolds for bone repair are suggested considering bone repair sites. Mineralized collagen seems to be a better option for new composite scaffolds. Last, the paper introduces the most common method to prepare mineralized collagen and summarizes the factors influencing collagen mineralization and methods to analyze its mechanical properties. In conclusion, mineralized collagen is thought to be an ideal bone substitute material because it promotes faster development. Among the factors that promote collagen mineralization, more attention should be given to the mechanical loading factors of bone.
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Affiliation(s)
- Yumiao Niu
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Tianming Du
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Youjun Liu
- Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
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Su R, Chen J, Zhang X, Wang W, Li Y, He R, Fang D. 3D-Printed Micro/Nano-Scaled Mechanical Metamaterials: Fundamentals, Technologies, Progress, Applications, and Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2206391. [PMID: 37026433 DOI: 10.1002/smll.202206391] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 02/08/2023] [Indexed: 06/19/2023]
Abstract
Micro/nano-scaled mechanical metamaterials have attracted extensive attention in various fields attributed to their superior properties benefiting from their rationally designed micro/nano-structures. As one of the most advanced technologies in the 21st century, additive manufacturing (3D printing) opens an easier and faster path for fabricating micro/nano-scaled mechanical metamaterials with complex structures. Here, the size effect of metamaterials at micro/nano scales is introduced first. Then, the additive manufacturing technologies to fabricate mechanical metamaterials at micro/nano scales are introduced. The latest research progress on micro/nano-scaled mechanical metamaterials is also reviewed according to the type of materials. In addition, the structural and functional applications of micro/nano-scaled mechanical metamaterials are further summarized. Finally, the challenges, including advanced 3D printing technologies, novel material development, and innovative structural design, for micro/nano-scaled mechanical metamaterials are discussed, and future perspectives are provided. The review aims to provide insight into the research and development of 3D-printed micro/nano-scaled mechanical metamaterials.
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Affiliation(s)
- Ruyue Su
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Jingyi Chen
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Xueqin Zhang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Wenqing Wang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Ying Li
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Rujie He
- State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Daining Fang
- Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing, 100081, P. R. China
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Koushik TM, Miller CM, Antunes E. Bone Tissue Engineering Scaffolds: Function of Multi-Material Hierarchically Structured Scaffolds. Adv Healthc Mater 2023; 12:e2202766. [PMID: 36512599 PMCID: PMC11468595 DOI: 10.1002/adhm.202202766] [Citation(s) in RCA: 37] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/29/2022] [Indexed: 12/15/2022]
Abstract
Bone tissue engineering (BTE) is a topic of interest for the last decade, and advances in materials, processing techniques, and the understanding of bone healing pathways have opened new avenues of research. The dual responsibility of BTE scaffolds in providing load-bearing capability and interaction with the local extracellular matrix to promote bone healing is a challenge in synthetic scaffolds. This article describes the usage and processing of multi-materials and hierarchical structures to mimic the structure of natural bone tissues to function as bioactive and load-bearing synthetic scaffolds. The first part of this literature review describes the physiology of bone healing responses and the interactions at different stages of bone repair. The following section reviews the available literature on biomaterials used for BTE scaffolds followed by some multi-material approaches. The next section discusses the impact of the scaffold's structural features on bone healing and the necessity of a hierarchical distribution in the scaffold structure. Finally, the last section of this review highlights the emerging trends in BTE scaffold developments that can inspire new tissue engineering strategies and truly develop the next generation of synthetic scaffolds.
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Affiliation(s)
- Tejas M. Koushik
- College of Science and EngineeringJames Cook UniversityTownsvilleQueensland4811Australia
| | - Catherine M. Miller
- College of Medicine and DentistryJames Cook UniversitySmithfieldQueensland4878Australia
| | - Elsa Antunes
- College of Science and EngineeringJames Cook UniversityTownsvilleQueensland4811Australia
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Bian Y, Hu T, Lv Z, Xu Y, Wang Y, Wang H, Zhu W, Feng B, Liang R, Tan C, Weng X. Bone tissue engineering for treating osteonecrosis of the femoral head. EXPLORATION (BEIJING, CHINA) 2023; 3:20210105. [PMID: 37324030 PMCID: PMC10190954 DOI: 10.1002/exp.20210105] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/12/2022] [Indexed: 06/16/2023]
Abstract
Osteonecrosis of the femoral head (ONFH) is a devastating and complicated disease with an unclear etiology. Femoral head-preserving surgeries have been devoted to delaying and hindering the collapse of the femoral head since their introduction in the last century. However, the isolated femoral head-preserving surgeries cannot prevent the natural progression of ONFH, and the combination of autogenous or allogeneic bone grafting often leads to many undesired complications. To tackle this dilemma, bone tissue engineering has been widely developed to compensate for the deficiencies of these surgeries. During the last decades, great progress has been made in ingenious bone tissue engineering for ONFH treatment. Herein, we comprehensively summarize the state-of-the-art progress made in bone tissue engineering for ONFH treatment. The definition, classification, etiology, diagnosis, and current treatments of ONFH are first described. Then, the recent progress in the development of various bone-repairing biomaterials, including bioceramics, natural polymers, synthetic polymers, and metals, for treating ONFH is presented. Thereafter, regenerative therapies for ONFH treatment are also discussed. Finally, we give some personal insights on the current challenges of these therapeutic strategies in the clinic and the future development of bone tissue engineering for ONFH treatment.
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Affiliation(s)
- Yixin Bian
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Tingting Hu
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Zehui Lv
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yiming Xu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yingjie Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Han Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Wei Zhu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Bin Feng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Ruizheng Liang
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Chaoliang Tan
- Department of ChemistryCity University of Hong KongKowloonHong Kong SARChina
| | - Xisheng Weng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
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Yang W, Wang C, Luo W, Apicella A, Ji P, Wang G, Liu B, Fan Y. Effectiveness of biomechanically stable pergola-like additively manufactured scaffold for extraskeletal vertical bone augmentation. Front Bioeng Biotechnol 2023; 11:1112335. [PMID: 37057137 PMCID: PMC10089125 DOI: 10.3389/fbioe.2023.1112335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
Objective: Extraskeletal vertical bone augmentation in oral implant surgery requires extraosseous regeneration beyond the anatomical contour of the alveolar bone. It is necessary to find a better technical/clinical solution to solve the dilemma of vertical bone augmentation. 3D-printed scaffolds are all oriented to general bone defect repair, but special bone augmentation design still needs improvement.Methods: This study aimed to develop a structural pergola-like scaffold to be loaded with stem cells from the apical papilla (SCAPs), bone morphogenetic protein 9 (BMP9) and vascular endothelial growth factor (VEGF) to verify its bone augmentation ability even under insufficient blood flow supply. Scaffold biomechanical and fluid flow optimization design by finite element analysis (FEA) and computational fluid dynamics (CFD) was performed on pergola-like additive-manufactured scaffolds with various porosity and pore size distributions. The scaffold geometrical configuration showing better biomechanical and fluid dynamics properties was chosen to co-culture for 2 months in subcutaneously into nude mice, with different SCAPs, BMP9, and (or) VEGF combinations. Finally, the samples were removed for Micro-CT and histological analysis.Results: Micro-CT and histological analysis of the explanted scaffolds showed new bone formation in the “Scaffold + SCAPs + BMP9” and the “Scaffold + SCAPs + BMP9 + VEGF” groups where the VEGF addition did not significantly improve osteogenesis. No new bone formation was observed either for the “Blank Scaffold” and the “Scaffold + SCAPs + GFP” group. The results of this study indicate that BMP9 can effectively promote the osteogenic differentiation of SCAPs.Conclusion: The pergola-like scaffold can be used as an effective carrier and support device for new bone regeneration and mineralization in bone tissue engineering, and can play a crucial role in obtaining considerable vertical bone augmentation even under poor blood supply.
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Affiliation(s)
- Wei Yang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Chao Wang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
- Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing, China
- *Correspondence: Chao Wang,
| | - Wenping Luo
- Laboratory Animal Center, Southwest University, Chongqing, China
| | - Antonio Apicella
- Advanced Materials Lab, Department of Architecture and Industrial Design, University of Campania, Aversa, Italy
| | - Ping Ji
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Stomatological Hospital of Chongqing Medical University, Chongqing, China
| | - Gong Wang
- Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, China
| | - Bingshan Liu
- Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, Beijing, China
| | - Yubo Fan
- Key Laboratory of Biomechanics and Mechanobiology, Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, School of Engineering Medicine, Beihang University, Beijing, China
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Realizing Both Antibacterial Activity and Cytocompatibility in Silicocarnotite Bioceramic via Germanium Incorporation. J Funct Biomater 2023; 14:jfb14030154. [PMID: 36976078 PMCID: PMC10054726 DOI: 10.3390/jfb14030154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/16/2023] Open
Abstract
The treatment of infective or potentially infectious bone defects is a critical problem in the orthopedic clinic. Since bacterial activity and cytocompatibility are always contrary factors, it is hard to have them both in one material. The development of bioactive materials with a good bacterial character and without sacrificing biocompatibility and osteogenic activity, is an interesting and valuable research topic. In the present work, the antimicrobial characteristic of germanium, GeO2 was used to enhance the antibacterial properties of silicocarnotite (Ca5(PO4)2SiO4, CPS). In addition, its cytocompatibility was also investigated. The results demonstrated that Ge–CPS can effectively inhibit the proliferation of both Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), and it showed no cytotoxicity to rat bone marrow-derived mesenchymal stem cells (rBMSCs). In addition, as the bioceramic degraded, a sustainable release of germanium could be achieved, ensuring long-term antibacterial activity. The results indicated that Ge–CPS has excellent antibacterial activity compared with pure CPS, while no obvious cytotoxicity was observed, which could make it a promising candidate for the bone repair of infected bone defects.
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73
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Is three-dimension-printed mesh scaffold an alternative to reconstruct cavity bone defects near joints? INTERNATIONAL ORTHOPAEDICS 2023; 47:631-639. [PMID: 36629849 DOI: 10.1007/s00264-022-05684-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 12/27/2022] [Indexed: 01/12/2023]
Abstract
PURPOSE Reconstruction of cavity bone defects after curettage of benign bone tumours around the joint remains challenging. We designed a novel 3D-printed mesh scaffold as a substitute for bone cement, aiming to support the articular surface, protect the subchondral bone, and reduce complication rates. METHODS We retrospectively analyzed seven patients who received curettage and reconstruction using a 3D-printed mesh scaffold between January 2020 and June 2021. Pain and function were evaluated using the 10-cm Visual Analogue Scale (VAS) score and the 1993 version of the Musculoskeletal Tumor Society (MSTS-93) score. Radiographs were used to evaluate articular surface supporting, subchondral bone protection, and complications. RESULTS The median functional MSTS-93 and VAS scores were both improved after surgery, and the median 3D-printed mesh scaffold volume was smaller than the median defect volume. Articular surface supporting, subchondral bone preservation, and osteogenesis were observed post-operatively. No related complications were observed during the last follow-up. CONCLUSIONS The 3D-printed mesh scaffold provided sufficient mechanical support for the articular surface and protected the subchondral bone. We recommended the 3D-printed mesh structure as an alternative to repair cavity bone defects around joints.
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Zhang Q, Zhou J, Zhi P, Liu L, Liu C, Fang A, Zhang Q. 3D printing method for bone tissue engineering scaffold. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2023; 17:None. [PMID: 36909661 PMCID: PMC9995276 DOI: 10.1016/j.medntd.2022.100205] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023] Open
Abstract
3D printing technology is an emerging technology. It constructs solid bodies by stacking materials layer by layer, and can quickly and accurately prepare bone tissue engineering scaffolds with specific shapes and structures to meet the needs of different patients. The field of life sciences has received a great deal of attention. However, different 3D printing technologies and materials have their advantages and disadvantages, and there are limitations in clinical application. In this paper, the technology, materials and clinical applications of 3D printed bone tissue engineering scaffolds are reviewed, and the future development trends and challenges in this field are prospected.
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Affiliation(s)
- Qiliang Zhang
- Department of Orthopaedic Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, China
| | - Jian Zhou
- Beijing Advanced Innovation Centre for Biomedical Engineering, School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Department of Orthopaedic Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, China
| | - Peixuan Zhi
- Beijing Advanced Innovation Centre for Biomedical Engineering, School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Department of Orthopaedic Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, China
- The First Affiliated Hospital and Its National Resident Standardized Training Base, Dalian Medical University, Dalian, 116000, China
| | - Leixin Liu
- Beijing Advanced Innovation Centre for Biomedical Engineering, School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Department of Orthopaedic Surgery, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, China
- The First Affiliated Hospital and Its National Resident Standardized Training Base, Dalian Medical University, Dalian, 116000, China
| | - Chaozong Liu
- Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, University College London, London, United Kingdom
| | - Ao Fang
- Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, University College London, London, United Kingdom
- Department of Rehabilitation Medicine, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, 310003, China
- Corresponding author. Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, University College London, London, United Kingdom.
| | - Qidong Zhang
- Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, University College London, London, United Kingdom
- Beijing Advanced Innovation Centre for Biomedical Engineering, School of Engineering Medicine, Beihang University, Beijing, 100191, China
- Corresponding author. Division of Surgery and Interventional Science, Royal National Orthopaedic Hospital, University College London, London, United Kingdom.
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75
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Yan M, Huang J, Ding M, Wang J, Ni J, Wu H, Song D. Three-Dimensional Printing Model Enhances Correct Identification and Understanding of Pelvic Fracture in Medical Students. JOURNAL OF SURGICAL EDUCATION 2023; 80:331-337. [PMID: 36470716 DOI: 10.1016/j.jsurg.2022.10.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 10/12/2022] [Accepted: 10/31/2022] [Indexed: 06/17/2023]
Abstract
OBJECTIVE Understanding the anatomy behind a pelvic fracture can be a significant challenge to medical students. Recent advances in three-dimensional printing technology offers a novel approach to facilitate the learning of complex fracture. We have described here how the 3-dimension printing (3Dp) models can help medical students improve their understanding in and identification of pelvic fractures. DESIGN One hundred students were randomized into 2 teaching module groups (with or without 3Dp models). Prior to randomization assignment, a 50-minute didactic lecture covering elementary knowledge of anatomy, Young-Burgess classification, and traumatic mechanism of pelvic fracture was delivered to all students. The 3Dp group received X-rays, CT images, and 3Dp models of the eight pelvic fractures during presentation, while the students in the control group only obtained X-rays and CT scans of the same 8 pelvic fractures. Young-Burgess classification system and injury mechanism of pelvic fracture, time for evaluation, and subjective questions were conducted to assess the learning outcomes. SETTING A medical student program based in a LevelⅠtrauma center PARTICIPANTS: One hundred students in their 4th year of a 5-year clinical medicine program (for a medical bachelor degree) RESULTS: Students receiving 3Dp model had a higher rate of identifying the correct pelvic fracture via Young-Burgess identification compared to these without 3Dp model. Moreover, the accuracy of identifying the injury mechanism was significantly higher in the 3Dp group than that in group without 3Dp model. Participant in 3Dp group had faster assessment time compared to the control group. Subjective survey results suggested that 3Dp model would increase the learning interest and enhance the understanding of pelvic fracture. In addition, majority of students (83%) reported that they would like to use 3Dp model in other surgical course education. CONCLUSIONS 3Dp model increased the perceived accuracy of pelvic fracture identification and understanding of injury mechanism. Moreover, 3Dp model promoted the subjective interest and motivation of students in pelvic fracture learning. Therefore, 3Dp model can be considered as a valuable educational tool for learning pelvic fracture in medical students.
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Affiliation(s)
- Mingming Yan
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China
| | - Jun Huang
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China; Institute of Orthopaedic Traumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China
| | - Muliang Ding
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China
| | - Junjie Wang
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China
| | - Jiangdong Ni
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China; Institute of Orthopaedic Traumatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China
| | - Hongtao Wu
- Department of Urology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China..
| | - Deye Song
- Department of Orthopaedic Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, PR China.
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Wang Y, Ren C, Bi F, Li P, Tian K. The hydroxyapatite modified 3D printed poly L-lactic acid porous screw in reconstruction of anterior cruciate ligament of rabbit knee joint: a histological and biomechanical study. BMC Musculoskelet Disord 2023; 24:151. [PMID: 36849968 PMCID: PMC9969685 DOI: 10.1186/s12891-023-06245-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 02/15/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND 3D printing technology has become a research hotspot in the field of scientific research because of its personalized customization, maneuverability and the ability to achieve multiple material fabrications. The focus of this study is to use 3D printing technology to customize personalized poly L-lactic acid (PLLA) porous screws in orthopedic plants and to explore its effect on tendon-bone healing after anterior cruciate ligament (ACL) reconstruction. METHODS Preparation of PLLA porous screws with good orthogonal pore structure by 3D printer. The hydroxyapatite (HA) was adsorbed on porous screws by electrostatic layer-by-layer self-assembly (ELSA) technology, and PLLA-HA porous screws were prepared. The surface and spatial morphology of the modified screws were observed by scanning electron microscopy (SEM). The porosity of porous screw was measured by liquid displacement method. Thirty New Zealand male white rabbits were divided into two groups according to simple randomization. Autologous tendon was used for right ACL reconstruction, and porous screws were inserted into the femoral tunnel to fix the transplanted tendon. PLLA group was fixed with porous screws, PLLA-HA group was fixed with HA modified porous screws. At 6 weeks and 12 weeks after surgery, 5 animals in each group were sacrificed randomly for histological examination. The remaining 5 animals in each group underwent Micro-CT and biomechanical tests. RESULTS The pores of PLLA porous screws prepared by 3D printer were uniformly distributed and connected with each other, which meet the experimental requirements. HA was evenly distributed in the porous screw by ELSA technique. Histology showed that compared with PLLA group, mature bone trabeculae were integrated with grafted tendons in PLLA-HA group. Micro-CT showed that the bone formation index of PLLA-HA group was better than that of PLLA group. The new bone was uniformly distributed in the bone tunnel along the screw channel. Biomechanical experiments showed that the failure load and stiffness of PLLA-HA group were significantly higher than those of PLLA group. CONCLUSIONS The 3D printed PLLA porous screw modified by HA can not only fix the grafted tendons, but also increase the inductivity of bone, promote bone growth in the bone tunnel and promote bone integration at the tendon-bone interface. The PLLA-HA porous screw is likely to be used in clinic in the future.
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Affiliation(s)
- Yafei Wang
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, NO.1 Jianshe East Road, Zhengzhou, China
| | - Chengzhen Ren
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, NO.1 Jianshe East Road, Zhengzhou, China
| | - Fanggang Bi
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, NO.1 Jianshe East Road, Zhengzhou, China
| | - Pengju Li
- Department of Orthopedic Surgery, the Honghui Hospital of Xi'an, No. 76 Nanguo road, Nan Xiaomen, Xi'an, 710054, China
| | - Ke Tian
- Department of Orthopedic Surgery, the First Affiliated Hospital of Zhengzhou University, NO.1 Jianshe East Road, Zhengzhou, China.
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Bozorgi A, Khazaei M, Bozorgi M, Jamalpoor Z. Fabrication and characterization of apigenin-loaded chitosan/gelatin membranes for bone tissue engineering applications. J BIOACT COMPAT POL 2023. [DOI: 10.1177/08839115221149725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Fabricating degradable polymer-based membranes has attracted much attention for guided bone regeneration. Chitosan/gelatin (Cs/Gel) composites are among the most known scaffolds with structural similarity to bone matrix and a high potential to support cell attachment and proliferation. Recently, plant-derived phenolic compound apigenin has been identified to direct the osteogenic differentiation of mesenchymal stem cells and retain osteoblast metabolic functions. We incorporated apigenin into Cs/Gel membranes to improve apigenin bioavailability and get proper concentrations for efficient biological activities. Apigenin-loaded Cs/Gel membranes were prepared using a solution casting method with various apigenin contents (0, 10, 25, 50, and 100 µM). Chemical composition, morphological characteristics, swelling behavior, degradation rate, and apigenin release from membranes were evaluated. Saos-2 osteoblasts were cultured on membranes to investigate cell-membrane interaction, proliferation, viability, and mineralization under the osteogenic culture condition. The results showed that membranes had homogeneous and moderate rough surfaces, facilitating osteoblast attachment and expansion. Swelling ratios exceeded 200%, reaching a stable rate in 24 h. Apigenin-loaded membranes degraded slower in vitro. Membranes containing lower apigenin concentrations exhibited a higher cargo release profile over 21 days. Apigenin improved osteoblast proliferation and viability, but the mineralization depended on apigenin dose, with optimized values at low concentrations. These data suggested that Cs/Gel membranes loaded with low apigenin contents improved osteoblast survival, proliferation, and mineralization.
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Affiliation(s)
- Azam Bozorgi
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mozafar Khazaei
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Maryam Bozorgi
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zahra Jamalpoor
- Trauma Research Center, AJA University of Medical Sciences, Tehran, Iran
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Rafikova G, Piatnitskaia S, Shapovalova E, Chugunov S, Kireev V, Ialiukhova D, Bilyalov A, Pavlov V, Kzhyshkowska J. Interaction of Ceramic Implant Materials with Immune System. Int J Mol Sci 2023; 24:4200. [PMID: 36835610 PMCID: PMC9959507 DOI: 10.3390/ijms24044200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/30/2023] [Accepted: 02/07/2023] [Indexed: 02/22/2023] Open
Abstract
The immuno-compatibility of implant materials is a key issue for both initial and long-term implant integration. Ceramic implants have several advantages that make them highly promising for long-term medical solutions. These beneficial characteristics include such things as the material availability, possibility to manufacture various shapes and surface structures, osteo-inductivity and osteo-conductivity, low level of corrosion and general biocompatibility. The immuno-compatibility of an implant essentially depends on the interaction with local resident immune cells and, first of all, macrophages. However, in the case of ceramics, these interactions are insufficiently understood and require intensive experimental examinations. Our review summarizes the state of the art in variants of ceramic implants: mechanical properties, different chemical modifications of the basic material, surface structures and modifications, implant shapes and porosity. We collected the available information about the interaction of ceramics with the immune system and highlighted the studies that reported ceramic-specific local or systemic effects on the immune system. We disclosed the gaps in knowledge and outlined the perspectives for the identification to ceramic-specific interactions with the immune system using advanced quantitative technologies. We discussed the approaches for ceramic implant modification and pointed out the need for data integration using mathematic modelling of the multiple ceramic implant characteristics and their contribution for long-term implant bio- and immuno-compatibility.
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Affiliation(s)
- Guzel Rafikova
- Laboratory of Immunology, Institute of Urology and Clinical Oncology, Bashkir State Medical University, 450008 Ufa, Russia
| | - Svetlana Piatnitskaia
- Institute of Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia
| | - Elena Shapovalova
- Department of Chemistry, Tomsk State University, 634050 Tomsk, Russia
| | | | - Victor Kireev
- Institute of Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia
- Department of Applied Physics, Ufa University of Science and Technology, 450076 Ufa, Russia
| | - Daria Ialiukhova
- Institute of Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia
| | - Azat Bilyalov
- Institute of Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia
| | | | - Julia Kzhyshkowska
- Institute of Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia
- Department of Chemistry, Tomsk State University, 634050 Tomsk, Russia
- Institute of Transfusion Medicine and Immunology, Mannheim Institute of Innate Immunosciecnes (MI3), Medical Faculty Mannheim, Heidelberg University, 69117 Mannheim, Germany
- German Red Cross Blood Service Baden-Württemberg, 68167 Mannheim, Germany
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Adhikari J, Roy A, Chanda A, D A G, Thomas S, Ghosh M, Kim J, Saha P. Effects of surface patterning and topography on the cellular functions of tissue engineered scaffolds with special reference to 3D bioprinting. Biomater Sci 2023; 11:1236-1269. [PMID: 36644788 DOI: 10.1039/d2bm01499h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The extracellular matrix (ECM) of the tissue organ exhibits a topography from the nano to micrometer range, and the design of scaffolds has been inspired by the host environment. Modern bioprinting aims to replicate the host tissue environment to mimic the native physiological functions. A detailed discussion on the topographical features controlling cell attachment, proliferation, migration, differentiation, and the effect of geometrical design on the wettability and mechanical properties of the scaffold are presented in this review. Moreover, geometrical pattern-mediated stiffness and pore arrangement variations for guiding cell functions have also been discussed. This review also covers the application of designed patterns, gradients, or topographic modulation on 3D bioprinted structures in fabricating the anisotropic features. Finally, this review accounts for the tissue-specific requirements that can be adopted for topography-motivated enhancement of cellular functions during the fabrication process with a special thrust on bioprinting.
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Affiliation(s)
- Jaideep Adhikari
- School of Advanced Materials, Green Energy and Sensor Systems, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, India
| | - Avinava Roy
- Department of Metallurgy and Materials Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, India
| | - Amit Chanda
- Department of Mechanical Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Gouripriya D A
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, West Bengal 700091, India.
| | - Sabu Thomas
- School of Chemical Sciences, MG University, Kottayam 686560, Kerala, India
| | - Manojit Ghosh
- Department of Metallurgy and Materials Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, India
| | - Jinku Kim
- Department of Bio and Chemical Engineering, Hongik University, Sejong, 30016, South Korea.
| | - Prosenjit Saha
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, West Bengal 700091, India.
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Xu Z, Qi X, Bao M, Zhou T, Shi J, Xu Z, Zhou M, Boccaccini AR, Zheng K, Jiang X. Biomineralization inspired 3D printed bioactive glass nanocomposite scaffolds orchestrate diabetic bone regeneration by remodeling micromilieu. Bioact Mater 2023; 25:239-255. [PMID: 36817824 PMCID: PMC9929491 DOI: 10.1016/j.bioactmat.2023.01.024] [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: 10/09/2022] [Revised: 01/10/2023] [Accepted: 01/30/2023] [Indexed: 02/11/2023] Open
Abstract
Type II diabetes mellitus (TIIDM) remains a challenging clinical issue for both dentists and orthopedists. By virtue of persistent hyperglycemia and altered host metabolism, the pathologic diabetic micromilieu with chronic inflammation, advanced glycation end products accumulation, and attenuated biomineralization severely impairs bone regeneration efficiency. Aiming to "remodel" the pathologic diabetic micromilieu, we 3D-printed bioscaffolds composed of Sr-containing mesoporous bioactive glass nanoparticles (Sr-MBGNs) and gelatin methacrylate (GelMA). Sr-MBGNs act as a biomineralization precursor embedded in the GelMA-simulated extracellular matrix and release Sr, Ca, and Si ions enhancing osteogenic, angiogenic, and immunomodulatory properties. In addition to angiogenic and anti-inflammatory outcomes, this innovative design reveals that the nanocomposites can modulate extracellular matrix reconstruction and simulate biomineralization by activating lysyl oxidase to form healthy enzymatic crosslinked collagen, promoting cell focal adhesion, modulating osteoblast differentiation, and boosting the release of OCN, the noncollagenous proteins (intrafibrillar mineralization dependent), and thus orchestrating osteogenesis through the Kindlin-2/PTH1R/OCN axis. This 3D-printed bioscaffold provides a multifunctional biomineralization-inspired system that remodels the "barren" diabetic microenvironment and sheds light on the new bone regeneration approaches for TIIDM.
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Affiliation(s)
- Zeqian Xu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Xuanyu Qi
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Minyue Bao
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Tian Zhou
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Department of Oral Maxillofacial-Head and Neck Oncology, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai, 200023, People's Republic of China
| | - Junfeng Shi
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Zhiyan Xu
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058, Erlangen, Germany
| | - Mingliang Zhou
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China
| | - Aldo R. Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058, Erlangen, Germany
| | - Kai Zheng
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, 210029, People's Republic of China,Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210029, People's Republic of China,Corresponding author. Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing, 210029, People's Republic of China.
| | - Xinquan Jiang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,College of Stomatology, Shanghai Jiao Tong University, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China,Corresponding author. Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, People's Republic of China.
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81
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Li Z, Xue L, Wang P, Ren X, Zhang Y, Wang C, Sun J. Biological Scaffolds Assembled with Magnetic Nanoparticles for Bone Tissue Engineering: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1429. [PMID: 36837058 PMCID: PMC9961196 DOI: 10.3390/ma16041429] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/02/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Superparamagnetic iron oxide nanoparticles (SPION) are widely used in bone tissue engineering because of their unique physical and chemical properties and their excellent biocompatibility. Under the action of a magnetic field, SPIONs loaded in a biological scaffold can effectively promote osteoblast proliferation, differentiation, angiogenesis, and so on. SPIONs have very broad application prospects in bone repair, bone reconstruction, bone regeneration, and other fields. In this paper, several methods for forming biological scaffolds via the biological assembly of SPIONs are reviewed, and the specific applications of these biological scaffolds in bone tissue engineering are discussed.
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Affiliation(s)
- Zheng Li
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Bioscience and Medical Engineering, Southeast University, Nanjing 210009, China
| | - Le Xue
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Bioscience and Medical Engineering, Southeast University, Nanjing 210009, China
| | - Peng Wang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Bioscience and Medical Engineering, Southeast University, Nanjing 210009, China
| | - Xueqian Ren
- Clinical Medical Engineering Department, The Affiliated Zhongda Hospital of Southeast University Medical School, Nanjing 210009, China
| | - Yunyang Zhang
- Center of Modern Analysis, Nanjing University, Nanjing 210000, China
| | - Chuan Wang
- Naval Medical Center of PLA, Naval Medical University (Second Military Medical University), Shanghai 200433, China
| | - Jianfei Sun
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory of Biomaterials and Devices, School of Bioscience and Medical Engineering, Southeast University, Nanjing 210009, China
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82
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Ma Z, Liu B, Li S, Wang X, Li J, Yang J, Tian S, Wu C, Zhao D. A novel biomimetic trabecular bone metal plate for bone repair and osseointegration. Regen Biomater 2023; 10:rbad003. [PMID: 36817973 PMCID: PMC9926947 DOI: 10.1093/rb/rbad003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/28/2022] [Accepted: 01/05/2023] [Indexed: 02/09/2023] Open
Abstract
Fracture is one of the most common traumatic diseases in clinical practice, and metal plates have always been the first choice for fracture treatment because of their high strength. However, the bone plates have high elastic modulus and do not match the biomechanics of human bone, which adversely affects callus formation and fracture healing. Moreover, the complex microenvironment in the human body can induce corrosion of metallic materials and release toxic ions, which reduces the biocompatibility of the bone plate, and may necessitate surgical removal of the implant. In this study, tantalum (Ta) was deposited on porous silicon carbide (SiC) scaffolds by chemical vapor deposition technology to prepare a novel porous tantalum (pTa) trabecular bone metal plate. The function of the novel bone plate was evaluated by implantation in an animal fracture model. The results showed that the novel bone plate was effective in fracture fixation, without breakage. Both X-ray and microcomputed tomography analysis showed indirect healing by both pTa trabecular bone metal plates and titanium (Ti) plates; however, elastic fixation and obvious callus formation were observed after fixation with pTa trabecular bone metal plates, indicating better bone repair. Histology showed that pTa promoted the formation of new bone and integrated well with the host bone. Therefore, this novel pTa trabecular bone metal plate has good prospects for application in treating fractures.
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Affiliation(s)
| | | | | | - Xiaohu Wang
- Orthopaedic of Department, Affiliated ZhongShan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Jingyu Li
- Orthopaedic of Department, Affiliated ZhongShan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Jiahui Yang
- Orthopaedic of Department, Affiliated ZhongShan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Simiao Tian
- Orthopaedic of Department, Affiliated ZhongShan Hospital of Dalian University, Dalian, Liaoning 116001, China
| | - Chengjun Wu
- School of Biomedical Engineering, Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Dewei Zhao
- Correspondence address. Tel: +86 0411 62893509, E-mail:
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83
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Janmohammadi M, Nazemi Z, Salehi AOM, Seyfoori A, John JV, Nourbakhsh MS, Akbari M. Cellulose-based composite scaffolds for bone tissue engineering and localized drug delivery. Bioact Mater 2023; 20:137-163. [PMID: 35663339 PMCID: PMC9142858 DOI: 10.1016/j.bioactmat.2022.05.018] [Citation(s) in RCA: 71] [Impact Index Per Article: 71.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/27/2022] [Accepted: 05/13/2022] [Indexed: 12/12/2022] Open
Abstract
Natural bone constitutes a complex and organized structure of organic and inorganic components with limited ability to regenerate and restore injured tissues, especially in large bone defects. To improve the reconstruction of the damaged bones, tissue engineering has been introduced as a promising alternative approach to the conventional therapeutic methods including surgical interventions using allograft and autograft implants. Bioengineered composite scaffolds consisting of multifunctional biomaterials in combination with the cells and bioactive therapeutic agents have great promise for bone repair and regeneration. Cellulose and its derivatives are renewable and biodegradable natural polymers that have shown promising potential in bone tissue engineering applications. Cellulose-based scaffolds possess numerous advantages attributed to their excellent properties of non-toxicity, biocompatibility, biodegradability, availability through renewable resources, and the low cost of preparation and processing. Furthermore, cellulose and its derivatives have been extensively used for delivering growth factors and antibiotics directly to the site of the impaired bone tissue to promote tissue repair. This review focuses on the various classifications of cellulose-based composite scaffolds utilized in localized bone drug delivery systems and bone regeneration, including cellulose-organic composites, cellulose-inorganic composites, cellulose-organic/inorganic composites. We will also highlight the physicochemical, mechanical, and biological properties of the different cellulose-based scaffolds for bone tissue engineering applications.
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Affiliation(s)
- Mahsa Janmohammadi
- Faculty of New Sciences and Technologies, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | - Zahra Nazemi
- Faculty of New Sciences and Technologies, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | | | - Amir Seyfoori
- Laboratory for Innovations in Micro Engineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada
| | - Johnson V. John
- Terasaki Institute for Biomedical Innovations, Los Angeles, CA, 90050, USA
| | - Mohammad Sadegh Nourbakhsh
- Faculty of Materials and Metallurgical Engineering, Semnan University, Semnan, P.O.Box: 19111-35131, Iran
| | - Mohsen Akbari
- Laboratory for Innovations in Micro Engineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, V8P 5C2, Canada
- Terasaki Institute for Biomedical Innovations, Los Angeles, CA, 90050, USA
- Biotechnology Center, Silesian University of Technology, Akademicka 2A, 44-100, Gliwice, Poland
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84
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Wang J, Chen G, Chen ZM, Wang FP, Xia B. Current strategies in biomaterial-based periosteum scaffolds to promote bone regeneration: A review. J Biomater Appl 2023; 37:1259-1270. [PMID: 36251764 DOI: 10.1177/08853282221135095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The role of periosteum rich in a variety of bone cells and growth factors in the treatment of bone defects has gradually been discovered. However, due to the limited number of healthy transplantable periosteum, there are still major challenges in the clinical treatment of critical-size bone defects. Various techniques for preparing biomimetic periosteal scaffolds that are similar in composition and structure to natural periosteal scaffold have gradually emerged. This article reviews the current preparation methods of biomimetic periosteal scaffolds based on various biomaterials, which are mainly divided into natural periosteal materials and various polymer biomaterials. Several preparation methods of biomimetic periosteal scaffolds with different principles are listed, their strengths and weaknesses are also discussed. It aims to provide a more systematic perspective for the preparation of biomimetic periosteal scaffolds in the future.
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Affiliation(s)
- Jinsong Wang
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Guobao Chen
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Zhong M Chen
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Fu P Wang
- School of Pharmacy and Bioengineering, 232838Chongqing University of Technology, Chongqing, China
| | - Bin Xia
- Engineering Research Center for Waste Oil Recovery Technology and Equipment, Ministry of Education, 66530Chongqing Technology and Business University, Chongqing, China
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85
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Ma Y, Zhang B, Sun H, Liu D, Zhu Y, Zhu Q, Liu X. The Dual Effect of 3D-Printed Biological Scaffolds Composed of Diverse Biomaterials in the Treatment of Bone Tumors. Int J Nanomedicine 2023; 18:293-305. [PMID: 36683596 PMCID: PMC9851059 DOI: 10.2147/ijn.s390500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/03/2023] [Indexed: 01/15/2023] Open
Abstract
Bone tumors, including primary bone tumors, invasive bone tumors, metastatic bone tumors, and others, are one of the most clinical difficulties in orthopedics. Once these tumors have grown and developed in the bone system, they will interact with osteocytes and other environmental cells in the bone system's microenvironment, leading to the eventual damage of the bone's physical structure. Surgical procedures for bone tumors may result in permanent defects. The dual-efficacy of tissue regeneration and tumor treatment has made biomaterial scaffolds frequently used in treating bone tumors. 3D printing technology, also known as additive manufacturing or rapid printing prototype, is the transformation of 3D computer models into physical models through deposition, curing, and material fusion of successive layers. Adjustable shape, porosity/pore size, and other mechanical properties are an advantage of 3D-printed objects, unlike natural and synthetic material with fixed qualities. Researchers have demonstrated the significant role of diverse 3D-printed biological scaffolds in the treatment for bone tumors and the regeneration of bone tissue, and that they enhanced various performance of the products. Based on the characteristics of bone tumors, this review synthesized the findings of current researchers on the application of various 3D-printed biological scaffolds including bioceramic scaffold, metal alloy scaffold and nano-scaffold, in bone tumors and discussed the advantages, disadvantages, and future application prospects of various types of 3D-printed biological scaffolds. Finally, the future development trend of 3D-printed biological scaffolds in bone tumor is summarized, providing a theoretical foundation and a larger outlook for the use of biological scaffolds in the treatment of patients with bone tumors.
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Affiliation(s)
- Yihang Ma
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Boyin Zhang
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Huifeng Sun
- Department of Respiratory Medicine, No.964 Hospital of People's Liberation Army, Changchun, People's Republic of China
| | - Dandan Liu
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Yuhang Zhu
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Qingsan Zhu
- Department of Spine Surgery, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China
| | - Xiangji Liu
- Department of Spine Surgery, The Second Hospital of Dalian Medical University, Dalian, People's Republic of China
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86
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Mirkhalaf M, Men Y, Wang R, No Y, Zreiqat H. Personalized 3D printed bone scaffolds: A review. Acta Biomater 2023; 156:110-124. [PMID: 35429670 DOI: 10.1016/j.actbio.2022.04.014] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/23/2022] [Accepted: 04/07/2022] [Indexed: 01/18/2023]
Abstract
3D printed bone scaffolds have the potential to replace autografts and allografts because of advantages such as unlimited supply and the ability to tailor the scaffolds' biochemical, biological and biophysical properties. Significant progress has been made over the past decade in additive manufacturing techniques to 3D print bone grafts, but challenges remain in the lack of manufacturing techniques that can recapitulate both mechanical and biological functions of native bones. The purpose of this review is to outline the recent progress and challenges of engineering an ideal synthetic bone scaffold and to provide suggestions for overcoming these challenges through bioinspiration, high-resolution 3D printing, and advanced modeling techniques. The article provides a short overview of the progress in developing the 3D printed scaffolds for the repair and regeneration of critical size bone defects. STATEMENT OF SIGNIFICANCE: Treatment of critical size bone defects is still a tremendous clinical challenge. To address this challenge, diverse sets of advanced manufacturing approaches and materials have been developed for bone tissue scaffolds. 3D printing has sparked much interest because it provides a close control over the scaffold's internal architecture and in turn its mechanical and biological properties. This article provides a critical overview of the relationships between material compositions, printing techniques, and properties of the scaffolds and discusses the current technical challenges facing their successful translation to the clinic. Bioinspiration, high-resolution printing, and advanced modeling techniques are discussed as future directions to address the current challenges.
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Affiliation(s)
- Mohammad Mirkhalaf
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia; School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George St., Brisbane, QLD 4000 Australia.
| | - Yinghui Men
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Rui Wang
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia
| | - Young No
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia
| | - Hala Zreiqat
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia.
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87
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Belluomo R, Khodaei A, Amin Yavari S. Additively manufactured Bi-functionalized bioceramics for reconstruction of bone tumor defects. Acta Biomater 2023; 156:234-249. [PMID: 36028198 DOI: 10.1016/j.actbio.2022.08.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 02/08/2023]
Abstract
Bone tissue exhibits critical factors for metastatic cancer cells and represents an extremely pleasant spot for further growth of tumors. The number of metastatic bone lesions and primary tumors that arise directly from cells comprised in the bone milieu is constantly increasing. Bioceramics have recently received significant attention in bone tissue engineering and local drug delivery applications. Additionally, additive manufacturing of bioceramics offers unprecedented advantages including the possibilities to fill irregular voids after the resection and fabricate patient-specific implants. Herein, we investigated the recent advances in additively manufactured bioceramics and ceramic-based composites that were used in the local bone tumor treatment and reconstruction of bone tumor defects. Furthermore, it has been extensively explained how to bi-functionalize ceramics-based biomaterials and what current limitations impede their clinical application. We have also discussed the importance of further development into ceramic-based biomaterials and molecular biology of bone tumors to: (1) discover new potential therapeutic targets to enhance conventional therapies, (2) local delivering of bio-molecular agents in a customized and "smart" way, and (3) accomplish a complete elimination of tumor cells in order to prevent tumor recurrence formation. We emphasized that by developing the research focus on the introduction of novel 3D-printed bioceramics with unique properties such as stimuli responsiveness, it will be possible to fabricate smart bioceramics that promote bone regeneration while minimizing the side-effects and effectively eradicate bone tumors while promoting bone regeneration. In fact, by combining all these therapeutic strategies and additive manufacturing, it is likely to provide personalized tumor-targeting therapies for cancer patients in the foreseeable future. STATEMENT OF SIGNIFICANCE: To increase the survival rates of cancer patients, different strategies such as surgery, reconstruction, chemotherapy, radiotherapy, etc have proven to be essential. Nonetheless, these therapeutic protocols have reached a plateau in their effectiveness due to limitations including drug resistance, tumor recurrence after surgery, toxic side-effects, and impaired bone regeneration following tumor resection. Hence, novel approaches to specifically and locally attack cancer cells, while also regenerating the damaged bony tissue, have being developed in the past years. This review sheds light to the novel approaches that enhance local bone tumor therapy and reconstruction procedures by combining additive manufacturing of ceramic biomaterials and other polymers, bioactive molecules, nanoparticles to affect bone tumor functions, metabolism, and microenvironment.
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Affiliation(s)
- Ruggero Belluomo
- Department of Orthopedics, University Medical Center Utrecht, Utrecht 3508GA, the Netherlands
| | - Azin Khodaei
- Department of Orthopedics, University Medical Center Utrecht, Utrecht 3508GA, the Netherlands
| | - Saber Amin Yavari
- Department of Orthopedics, University Medical Center Utrecht, Utrecht 3508GA, the Netherlands; Regenerative Medicine Utrecht, Utrecht University, Utrecht, the Netherlands.
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88
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Cui J, Yu X, Shen Y, Sun B, Guo W, Liu M, Chen Y, Wang L, Zhou X, Shafiq M, Mo X. Electrospinning Inorganic Nanomaterials to Fabricate Bionanocomposites for Soft and Hard Tissue Repair. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:204. [PMID: 36616113 PMCID: PMC9823959 DOI: 10.3390/nano13010204] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Tissue engineering (TE) has attracted the widespread attention of the research community as a method of producing patient-specific tissue constructs for the repair and replacement of injured tissues. To date, different types of scaffold materials have been developed for various tissues and organs. The choice of scaffold material should take into consideration whether the mechanical properties, biodegradability, biocompatibility, and bioresorbability meet the physiological properties of the tissues. Owing to their broad range of physico-chemical properties, inorganic materials can induce a series of biological responses as scaffold fillers, which render them a good alternative to scaffold materials for tissue engineering (TE). While it is of worth to further explore mechanistic insight into the use of inorganic nanomaterials for tissue repair, in this review, we mainly focused on the utilization forms and strategies for fabricating electrospun membranes containing inorganic components based on electrospinning technology. A particular emphasis has been placed on the biological advantages of incorporating inorganic materials along with organic materials as scaffold constituents for tissue repair. As well as widely exploited natural and synthetic polymers, inorganic nanomaterials offer an enticing platform to further modulate the properties of composite scaffolds, which may help further broaden the application prospect of scaffolds for TE.
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Affiliation(s)
- Jie Cui
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Xiao Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Yihong Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Binbin Sun
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Wanxin Guo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Mingyue Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Yujie Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Li Wang
- College of Science, Donghua University, Shanghai 201620, China
| | - Xingping Zhou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
| | - Muhammad Shafiq
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
- Department of Chemical Engineering, Faculty of Engineering, Graduate School, Kyushu University, 744 Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
- Department of Biotechnology, Faculty of Science and Technology (FOST), University of Central Punjab (UCP), Lahore 54000, Pakistan
| | - Xiumei Mo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, China
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89
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Liu X, Liu Y, Qiang L, Ren Y, Lin Y, Li H, Chen Q, Gao S, Yang X, Zhang C, Fan M, Zheng P, Li S, Wang J. Multifunctional 3D-printed bioceramic scaffolds: Recent strategies for osteosarcoma treatment. J Tissue Eng 2023; 14:20417314231170371. [PMID: 37205149 PMCID: PMC10186582 DOI: 10.1177/20417314231170371] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/31/2023] [Indexed: 05/21/2023] Open
Abstract
Osteosarcoma is the most prevalent bone malignant tumor in children and teenagers. The bone defect, recurrence, and metastasis after surgery severely affect the life quality of patients. Clinically, bone grafts are implanted. Primary bioceramic scaffolds show a monomodal osteogenesis function. With the advances in three-dimensional printing technology and materials science, while maintaining the osteogenesis ability, scaffolds become more patient-specific and obtain additional anti-tumor ability with functional agents being loaded. Anti-tumor therapies include photothermal, magnetothermal, old and novel chemo-, gas, and photodynamic therapy. These strategies kill tumors through novel mechanisms to treat refractory osteosarcoma due to drug resistance, and some have shown the potential to reverse drug resistance and inhibit metastasis. Therefore, multifunctional three-dimensional printed bioceramic scaffolds hold excellent promise for osteosarcoma treatments. To better understand, we review the background of osteosarcoma, primary 3D-printed bioceramic scaffolds, and different therapies and have a prospect for the future.
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Affiliation(s)
- Xingran Liu
- Shanghai Key Laboratory of Orthopedic
Implant, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital,
Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Yihao Liu
- Shanghai Key Laboratory of Orthopedic
Implant, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital,
Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Lei Qiang
- Southwest Jiaotong University, Chengdu,
China
| | - Ya Ren
- Southwest Jiaotong University, Chengdu,
China
| | - Yixuan Lin
- Shanghai Key Laboratory of Orthopedic
Implant, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital,
Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Han Li
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Qiuhan Chen
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Shuxin Gao
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Xue Yang
- Southwest Jiaotong University, Chengdu,
China
| | - Changru Zhang
- Shanghai Key Laboratory of Orthopedic
Implant, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital,
Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
| | - Minjie Fan
- Department of Orthopaedic Surgery,
Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Pengfei Zheng
- Department of Orthopaedic Surgery,
Children’s Hospital of Nanjing Medical University, Nanjing, China
| | - Shuai Li
- Department of Orthopedics, The First
Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinwu Wang
- Shanghai Key Laboratory of Orthopedic
Implant, Department of Orthopedic Surgery, Shanghai Ninth People’s Hospital,
Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of
Medicine, Shanghai, China
- Southwest Jiaotong University, Chengdu,
China
- Shanghai Jiao Tong University,
Shanghai, China
- Weifang Medical University School of
Rehabilitation Medicine, Weifang, Shandong Province, China
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90
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Chitosan based photothermal scaffold fighting against bone tumor-related complications: Recurrence, infection, and defects. Carbohydr Polym 2023; 300:120264. [DOI: 10.1016/j.carbpol.2022.120264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/30/2022] [Accepted: 10/22/2022] [Indexed: 11/05/2022]
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91
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Dadhich P, Kumar P, Roy A, Bitar KN. Advances in 3D Printing Technology for Tissue Engineering. Regen Med 2023. [DOI: 10.1007/978-981-19-6008-6_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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92
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Zheng Y, Wu J, Zhu Y, Wu C. Inorganic-based biomaterials for rapid hemostasis and wound healing. Chem Sci 2022; 14:29-53. [PMID: 36605747 PMCID: PMC9769395 DOI: 10.1039/d2sc04962g] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/07/2022] [Indexed: 12/02/2022] Open
Abstract
The challenge for the treatment of severe traumas poses an urgent clinical need for the development of biomaterials to achieve rapid hemostasis and wound healing. In the past few decades, active inorganic components and their derived composites have become potential clinical products owing to their excellent performances in the process of hemorrhage control and tissue repair. In this review, we provide a current overview of the development of inorganic-based biomaterials used for hemostasis and wound healing. We highlight the methods and strategies for the design of inorganic-based biomaterials, including 3D printing, freeze-drying, electrospinning and vacuum filtration. Importantly, inorganic-based biomaterials for rapid hemostasis and wound healing are presented, and we divide them into several categories according to different chemistry and forms and further discuss their properties, therapeutic mechanisms and applications. Finally, the conclusions and future prospects are suggested for the development of novel inorganic-based biomaterials in the field of rapid hemostasis and wound healing.
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Affiliation(s)
- Yi Zheng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences No. 1295 Dingxi Road Shanghai 200050 People's Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences No. 19(A) Yuquan Road Beijing 100049 People's Republic of China
| | - Jinfu Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences No. 1295 Dingxi Road Shanghai 200050 People's Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences No. 19(A) Yuquan Road Beijing 100049 People's Republic of China
| | - Yufang Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences No. 1295 Dingxi Road Shanghai 200050 People's Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences No. 19(A) Yuquan Road Beijing 100049 People's Republic of China
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences No. 1295 Dingxi Road Shanghai 200050 People's Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences No. 19(A) Yuquan Road Beijing 100049 People's Republic of China
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93
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Cojocaru FD, Balan V, Verestiuc L. Advanced 3D Magnetic Scaffolds for Tumor-Related Bone Defects. Int J Mol Sci 2022; 23:16190. [PMID: 36555827 PMCID: PMC9788029 DOI: 10.3390/ijms232416190] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/04/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
The need for bone substitutes is a major challenge as the incidence of serious bone disorders is massively increasing, mainly attributed to modern world problems, such as obesity, aging of the global population, and cancer incidence. Bone cancer represents one of the most significant causes of bone defects, with reserved prognosis regarding the effectiveness of treatments and survival rate. Modern therapies, such as hyperthermia, immunotherapy, targeted therapy, and magnetic therapy, seem to bring hope for cancer treatment in general, and bone cancer in particular. Mimicking the composition of bone to create advanced scaffolds, such as bone substitutes, proved to be insufficient for successful bone regeneration, and a special attention should be given to control the changes in the bone tissue micro-environment. The magnetic manipulation by an external field can be a promising technique to control this micro-environment, and to sustain the proliferation and differentiation of osteoblasts, promoting the expression of some growth factors, and, finally, accelerating new bone formation. By incorporating stimuli responsive nanocarriers in the scaffold's architecture, such as magnetic nanoparticles functionalized with bioactive molecules, their behavior can be rigorously controlled under external magnetic driving, and stimulates the bone tissue formation.
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Affiliation(s)
| | | | - Liliana Verestiuc
- Biomedical Sciences Department, Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 9-13 Kogalniceanu Street, 700454 Iasi, Romania
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94
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Zhao W, Yue C, Liu L, Liu Y, Leng J. Research Progress of Shape Memory Polymer and 4D Printing in Biomedical Application. Adv Healthc Mater 2022:e2201975. [PMID: 36520058 DOI: 10.1002/adhm.202201975] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/06/2022] [Indexed: 12/23/2022]
Abstract
As a kind of smart material, shape memory polymer (SMP) shows great application potential in the biomedical field. Compared with traditional metal-based medical devices, SMP-based devices have the following characteristics: 1) The adaptive ability allows the biomedical device to better match the surrounding tissue after being implanted into the body by minimally invasive implantation; 2) it has better biocompatibility and adjustable biodegradability; 3) mechanical properties can be regulated in a large range to better match with the surrounding tissue. 4D printing technology is a comprehensive technology based on smart materials and 3D printing, which has great application value in the biomedical field. 4D printing technology breaks through the technical bottleneck of personalized customization and provides a new opportunity for the further development of the biomedical field. This paper summarizes the application of SMP and 4D printing technology in the field of bone tissue scaffolds, tracheal scaffolds, and drug release, etc. Moreover, this paper analyzes the existing problems and prospects, hoping to provide a preliminary discussion and useful reference for the application of SMP in biomedical engineering.
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Affiliation(s)
- Wei Zhao
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin, 150001, P. R. China
| | - Chengbin Yue
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin, 150001, P. R. China
| | - Liwu Liu
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin, 150001, P. R. China
| | - Yanju Liu
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology (HIT), P.O. Box 301, No. 92 West Dazhi Street, Harbin, 150001, P. R. China
| | - Jinsong Leng
- Center for Composite Materials and Structures, Harbin Institute of Technology (HIT), P.O. Box 3011, No. 2 Yikuang Street, Harbin, 150080, P. R. China
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95
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Chen Z, Du W, Lv Y. Zonally Stratified Decalcified Bone Scaffold with Different Stiffness Modified by Fibrinogen for Osteochondral Regeneration of Knee Joint Defect. ACS Biomater Sci Eng 2022; 8:5257-5272. [PMID: 36335510 DOI: 10.1021/acsbiomaterials.2c00813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Articular cartilage is generally known to be a complex tissue with multiple layers. Each layer has different composition, structure, and mechanical properties, making regeneration after knee joint defects a troubling clinical problem. A novel integrated stratified decalcified bone matrix (SDBM) scaffold with different stiffness to mimic the mechanical properties of articular cartilage is presented herein. This SDBM scaffold was modified using fibrinogen (Fg) (Fg + SDBM) to enhance its vascularization ability and improve its repair efficiency for osteochondral defects of knee joints. A Fg + SDBM scaffold with different elastic modulus in each layer (high-stiffness DBM (HDBM) layer, 174.208 ± 44.330 MPa (Fg + HDBM); medium-stiffness DBM (MDBM) layer, 21.214 ± 6.922 MPa (Fg + MDBM); and low-stiffness DBM (LDBM) layer, 0.678 ± 0.269 MPa (Fg + LDBM)) was constructed by controlling the stratified decalcification time with layered embedding paraffin (0, 3, and 5 days). The low- and medium-stiffness layers of the Fg + SDBM scaffold remarkably promoted the cartilage differentiation of bone marrow mesenchymal stem cells in vitro. Subcutaneous transplantation and rabbit knee joint osteochondral defect repair experiments revealed that the low- and medium-stiffness layers of the Fg + SDBM scaffold exhibited wonderful cartilage capacity, whereas the high-stiffness layer of Fg + SDBM scaffold exhibited good osteogenesis ability. Furthermore, this scaffold could promote blood vessel formation in subchondral bone area. This study presents a feasible strategy for osteochondral regeneration of defective knee joints, which is of great clinical value for tissue repair.
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Affiliation(s)
- Zhenyin Chen
- Mechanobiology and Regenerative Medicine Laboratory, Bioengineering College, Chongqing University, Chongqing 400044, P. R. China
| | - Wenjiang Du
- Mechanobiology and Regenerative Medicine Laboratory, Bioengineering College, Chongqing University, Chongqing 400044, P. R. China
| | - Yonggang Lv
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, P. R. China
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96
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Indra A, Hamid I, Farenza J, Handra N, Anrinal, Subardi A. Manufacturing hydroxyapatite scaffold from snapper scales with green phenolic granules as the space holder material. J Mech Behav Biomed Mater 2022; 136:105509. [PMID: 36240527 DOI: 10.1016/j.jmbbm.2022.105509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/28/2022] [Accepted: 10/02/2022] [Indexed: 11/06/2022]
Abstract
Hydroxyapatite (HA) scaffold was made using the powder metallurgy with an use of a space holder method with a pore-forming agent from green phenolic (GP) granules. The novelty of this study was the use of GP granules as an agent that does not melt at high temperatures to avoid damaging the tangential contact between the HA powder during the sintering process. HA from snapper scales was added and mixed with polyvinyl alcohol (PVA) and ethanol to form a slurry. The ethanol content was then removed by drying at room temperature. The HA, which contained PVA, was added with GP granules as a pore-forming agent in various amounts to get the desired porosity. The green body was made using a stainless steel mold with the uniaxial pressing process under a pressure of 100 MPa. To make a scaffold sintered body, a sintering process ran at 1200 °C with a holding time of 2 h while maintaining the heating and cooling rates at 5 °C/min. The physical properties of the scaffold sintered body were characterized through linear shrinkage test, pore measurement, porosity test, phase observation by X-ray diffraction (XRD), and microstructure observation by scanning electron microscopy (SEM) and digital microscopy (DM). So were the mechanical ones through a compressive strength test. The results showed that the sintered body had a compressive strength value of 1.6 MPa at a porosity of 60.7% with a pore size of 129-394 μm. The scaffold contained interconnections between pores at a HA:GP ratio of 55:45 wt%, which matched the condition required for cell tissue growth. The conclusion is that GP granules are good enough to be used as a pore-making agent on scaffolds using the space holder method because they do not damage the tangential contact between the HA powder during the sintering process. However, efforts are needed to remove the remaining GP ash on the scaffold.
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Affiliation(s)
- Ade Indra
- Faculty of Engineering, Department of Mechanical Engineering, Institut Teknologi Padang, Kp Olo, 25143, Padang, Sumatera Barat, Indonesia.
| | - Irfan Hamid
- Faculty of Engineering, Department of Mechanical Engineering, Institut Teknologi Padang, Kp Olo, 25143, Padang, Sumatera Barat, Indonesia
| | - Jerry Farenza
- Faculty of Engineering, Department of Mechanical Engineering, Institut Teknologi Padang, Kp Olo, 25143, Padang, Sumatera Barat, Indonesia
| | - Nofriady Handra
- Faculty of Engineering, Department of Mechanical Engineering, Institut Teknologi Padang, Kp Olo, 25143, Padang, Sumatera Barat, Indonesia
| | - Anrinal
- Faculty of Engineering, Department of Mechanical Engineering, Institut Teknologi Padang, Kp Olo, 25143, Padang, Sumatera Barat, Indonesia
| | - Adi Subardi
- Department of Mechanical Engineering, Institut Teknologi Nasional Yogyakarta, Sleman, 55281, Daerah Istimewa Yogyakarta, Indonesia
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97
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Ilyas K, Akhtar MA, Ammar EB, Boccaccini AR. Surface Modification of 3D-Printed PCL/BG Composite Scaffolds via Mussel-Inspired Polydopamine and Effective Antibacterial Coatings for Biomedical Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15238289. [PMID: 36499786 PMCID: PMC9738435 DOI: 10.3390/ma15238289] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 06/12/2023]
Abstract
A wide variety of composite scaffolds with unique geometry, porosity and pore size can be fabricated with versatile 3D printing techniques. In this work, we fabricated 3D-printed composite scaffolds of polycaprolactone (PCL) incorporating bioactive glass (BG) particles (13-93 and 13-93B3 compositions) by using fused deposition modeling (FDM). The scaffolds were modified with a "mussel-inspired surface coating" to regulate biological properties. The chemical and surface properties of scaffolds were analyzed by Fourier transform infrared spectroscopy (FTIR), contact angle and scanning electron microscopy (SEM). Polydopamine (PDA) surface-modified composite scaffolds exhibited attractive properties. Firstly, after the surface modification, the adhesion of a composite coating based on gelatin incorporated with strontium-doped mesoporous bioactive glass (Sr-MBGNs/gelatin) was significantly improved. In addition, cell attachment and differentiation were promoted, and the antibacterial properties of the scaffolds were increased. Moreover, the bioactivity of these scaffolds was also significantly influenced: a hydroxyapatite layer formed on the scaffold surface after 3 days of immersion in SBF. Our results suggest that the promoting effect of PDA coating on PCL-BG scaffolds leads to improved scaffolds for bone tissue engineering.
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98
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Layered scaffolds in periodontal regeneration. J Oral Biol Craniofac Res 2022; 12:782-797. [PMID: 36159068 PMCID: PMC9489757 DOI: 10.1016/j.jobcr.2022.09.001] [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: 06/16/2022] [Accepted: 09/02/2022] [Indexed: 11/21/2022] Open
Abstract
Periodontitis is a common inflammatory disease in dentistry that may lead to tooth loss and aesthetic problems. Periodontal tissue has a sophisticated architecture including four sections of alveolar bone, cementum, gingiva, and periodontal ligament fiber; all these four can be damaged during periodontitis. Thus, for whole periodontal regeneration, it is important to form both hard and soft tissue structures simultaneously on the tooth root surface without forming junctional epithelium and ankylosis. This condition makes the treatment of the periodontium a challenging process. Various regenerative methods including Guided Bone/Tissue Regeneration (GBR/GTR) using various membranes have been developed. Although using such GBR/GTR membranes was successful for partial periodontal treatment, they cannot be used for the regeneration of complete periodontium. For this purpose, multilayered scaffolds are now being developed. Such scaffolds may include various biomaterials, stem cells, and growth factors in a multiphasic configuration in which each layer is designed to regenerate specific section of the periodontium. This article provides a comprehensive review of the multilayered scaffolds for periodontal regeneration based on natural or synthetic polymers, and their combinations with other biomaterials and bioactive molecules. After highlighting the challenges related to multilayered scaffolds preparation, features of suitable scaffolds for periodontal regeneration are discussed.
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99
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Arbex L, Nayak VV, Ricci JL, Mijares D, Smay JE, Coelho PG, Witek L. Physio-mechanical and Biological Effects Due to Surface Area Modifications of 3D Printed β-tri- calcium phosphate: An In Vitro Study. ANNALS OF 3D PRINTED MEDICINE 2022. [DOI: 10.1016/j.stlm.2022.100078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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100
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Adumbumkulath A, Shin C, Acharya GS, Biswas P, Sirisala M, Johnson R, Gade P. 3D Printing of MgAl 2O 4 Spinel Mesh and Densification Through Pressure-Less Sintering and Hot Isostatic Pressing. 3D PRINTING AND ADDITIVE MANUFACTURING 2022; 9:405-410. [PMID: 36660291 PMCID: PMC9831561 DOI: 10.1089/3dp.2021.0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
MgAl2O4 spinel mesh with micro-features of 410 and 250 μm unit cell length and rib thickness, respectively, was three-dimensional (3D) printed and sintered followed by Hot Isostatic Pressing (HIPing). A stable colloidal dispersion of spinel in polymer-water solution was prepared and 3D-printed using a 30-gauge needle (∼100 μm inner diameter) on a regenHU 3D-Discovery bioprinter. Samples were characterized for their density and microstructure. Samples with near theoretical density after HIPing was subjected to mechanical property evaluation such as hardness by Vickers indentation and elastic modulus using nanoindentation technique. Microstructure of sintered samples across the ribs have shown graded grain structure with finer grains near the edges (0.7 μm average) with occasional porosity and coarser grains toward the center of the rib (5.2 μm average). HIPing resulted in substantial grain growth and the average grain size was found to be 10.9 μm (with a variation in the grain size of 2.2 μm along the edges and 13.1 μm at the center of the rib) exhibiting close packed and dense microstructure. Finer grains toward the edges may probably be due to the flow behavior during printing process and lower distribution of the powder loading along the edges resulting in low green density. This relatively higher porosity pining the grain growth under the extremely low heating rate employed for the controlled shrinkage to maintain the integrity of the sample. 3D printed samples after HIPing exhibited a density of 3.57 g/cc and hardness of 12.95 GPa, which are at par with the samples processed through conventional ceramic processing techniques. Nanoindentation studies employing maximum load of 45 mN with depth have shown an elastic modulus of 238 ± 15 GPa. MgAl2O4 spinel mesh 3D printed in this study is a potential prospective candidate that can be explored for cranioplasty procedures and other biomedical applications.
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Affiliation(s)
| | | | | | - Papiya Biswas
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, India
| | - Mamatha Sirisala
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, India
| | - Roy Johnson
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, India
| | - Padmanabham Gade
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI), Hyderabad, India
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