51
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Hara K, Hellem E, Yamada S, Sariibrahimoglu K, Mølster A, Gjerdet NR, Hellem S, Mustafa K, Yassin MA. Efficacy of treating segmental bone defects through endochondral ossification: 3D printed designs and bone metabolic activities. Mater Today Bio 2022; 14:100237. [PMID: 35280332 PMCID: PMC8914554 DOI: 10.1016/j.mtbio.2022.100237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/15/2022] [Accepted: 03/05/2022] [Indexed: 10/25/2022]
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52
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Aslıyüce S, Idil N, Mattiasson B. Upgrading of bio‐separation and bioanalysis using synthetic polymers: Molecularly imprinted polymers (MIPs), cryogels, stimuli‐responsive polymers. Eng Life Sci 2022; 22:204-216. [PMID: 35382542 PMCID: PMC8961038 DOI: 10.1002/elsc.202100106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 12/25/2022] Open
Abstract
Bio‐separation plays a crucial role in many areas. Different polymers are suitable for bio‐separation and are useful for applications in applications in both science and technology. Besides biopolymers, there are a broad spectrum of synthetic polymers with tailor‐made properties. The synthetic polymers are characterized by their charges, solubility, hydrophilicity/hydrophobicity, sensitivity to environmental conditions and stability. Furthermore, ongoing developments are of great interest on biodegradable polymers for the treatment of diseases. Smart polymers have gained great attention due to their unique characteristics especially emphasizing simultaneously changing their chemical and physical property upon exposure to changes in environmental conditions. In this review, methodologies applied in bio‐separation using synthetic polymers are discussed and efficient candidates are focused for the construction of synthetic polymers.
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Affiliation(s)
- Sevgi Aslıyüce
- Department of Chemistry Biochemistry Division Hacettepe University Ankara Turkey
| | - Neslihan Idil
- Department of Biology Biotechnology Division Hacettepe University Ankara Turkey
| | - Bo Mattiasson
- Department of Biotechnology Lund University Lund Sweden
- Indienz AB Annebergs Gård, Billeberga Lund Sweden
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53
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Wickramasinghe ML, Dias GJ, Premadasa KMGP. A novel classification of bone graft materials. J Biomed Mater Res B Appl Biomater 2022; 110:1724-1749. [DOI: 10.1002/jbm.b.35029] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/19/2022]
Affiliation(s)
- Maduni L. Wickramasinghe
- Department of Biomedical Engineering General Sir John Kotelawala Defense University Ratmalana Sri Lanka
| | - George J. Dias
- Department of Anatomy, School of Medical Sciences University of Otago Dunedin New Zealand
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54
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Xu Y, Zhang F, Zhai W, Cheng S, Li J, Wang Y. Unraveling of Advances in 3D-Printed Polymer-Based Bone Scaffolds. Polymers (Basel) 2022; 14:polym14030566. [PMID: 35160556 PMCID: PMC8840342 DOI: 10.3390/polym14030566] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023] Open
Abstract
The repair of large-area irregular bone defects is one of the complex problems in orthopedic clinical treatment. The bone repair scaffolds currently studied include electrospun membrane, hydrogel, bone cement, 3D printed bone tissue scaffolds, etc., among which 3D printed polymer-based scaffolds Bone scaffolds are the most promising for clinical applications. This is because 3D printing is modeled based on the im-aging results of actual bone defects so that the printed scaffolds can perfectly fit the bone defect, and the printed components can be adjusted to promote Osteogenesis. This review introduces a variety of 3D printing technologies and bone healing processes, reviews previous studies on the characteristics of commonly used natural or synthetic polymers, and clinical applications of 3D printed bone tissue scaffolds, analyzes and elaborates the characteristics of ideal bone tissue scaffolds, from t he progress of 3D printing bone tissue scaffolds were summarized in many aspects. The challenges and potential prospects in this direction were discussed.
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Affiliation(s)
- Yuanhang Xu
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
| | - Feiyang Zhang
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
| | - Weijie Zhai
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
| | - Shujie Cheng
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
| | - Jinghua Li
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
- Correspondence: (J.L.); (Y.W.)
| | - Yi Wang
- Basic Research Key Laboratory of General Surgery for Digital Medicine, Affiliated Hospital of Hebei University, Baoding 071000, China; (Y.X.); (F.Z.); (W.Z.); (S.C.)
- National United Engineering Laboratory for Advanced Bearing Tribology, Henan University of Science and Technology, Luoyang 471000, China
- Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
- Correspondence: (J.L.); (Y.W.)
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55
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Dienel K, Abu-Shahba A, Kornilov R, Björkstrand R, van Bochove B, Snäll J, Wilkman T, Mesimäki K, Meller A, Lindén J, Lappalainen A, Partanen J, Seppänen-Kaijansinkko R, Seppälä J, Mannerström B. Patient-Specific Bioimplants and Reconstruction Plates for Mandibular Defects: Production Workflow and In Vivo Large Animal Model Study. Macromol Biosci 2022; 22:e2100398. [PMID: 35023297 DOI: 10.1002/mabi.202100398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/15/2021] [Indexed: 11/12/2022]
Abstract
A major challenge with extensive craniomaxillofacial bone reconstruction is the limited donor-site availability to reconstruct defects predictably and accurately according to the anatomical shape of the patient. Here, patient-specific composite bioimplants, consisting of cross-linked poly(trimethylene carbonate) (PTMC) networks and β-tricalcium phosphate (β-TCP), were tested in vivo in twelve Göttingen minipigs in a large mandibular continuity defect model. The 25 mm defects were supported by patient-specific titanium reconstruction plates and received either osteoconductive composite bioimplants (PTMC+TCP), neat polymer network bioimplants (PTMC), autologous bone segments (positive control) or were left empty (negative control). Post-operatively, defects treated with bioimplants showed evident ossification at 24 weeks. Histopathologic evaluation revealed that neat PTMC bioimplant surfaces were largely covered with fibrous tissue, while in the PTMC+TCP bioimplants, bone attached directly to the implant surface showing good osteoconduction and histological signs of osteoinductivity. However, PTMC+TCP bioimplants were associated with high incidence of necrosis and infection, possibly due to rapid resorption and/or particle size of the used β-TCP. The study highlights the importance of testing bone regeneration implants in a clinically relevant large animal model and at the in situ reconstruction site, since results on small animal models and studies in non-loadbearing areas do not translate directly. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Kasper Dienel
- Polymer Technology, School of Chemical Engineering, Aalto University, Finland
| | - Ahmed Abu-Shahba
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Finland.,Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tanta University, Egypt
| | - Roman Kornilov
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Finland
| | - Roy Björkstrand
- Department of Mechanical Engineering, Aalto University, Finland
| | - Bas van Bochove
- Polymer Technology, School of Chemical Engineering, Aalto University, Finland
| | - Johanna Snäll
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Finland
| | - Tommy Wilkman
- Department of Oral and Maxillofacial Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Karri Mesimäki
- Department of Oral and Maxillofacial Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Anna Meller
- Laboratory Animal Center, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Jere Lindén
- Department of Veterinary Biosciences, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland.,Finnish Centre for Laboratory Animal Pathology, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Anu Lappalainen
- Department of Equine and Small Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Jouni Partanen
- Department of Mechanical Engineering, Aalto University, Finland
| | | | - Jukka Seppälä
- Polymer Technology, School of Chemical Engineering, Aalto University, Finland
| | - Bettina Mannerström
- Department of Oral and Maxillofacial Diseases, University of Helsinki and Helsinki University Hospital, Finland
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56
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Liu P, Bao T, Sun L, Wang Z, Sun J, Peng W, Gan D, Yin G, Liu P, Zhang WB, Shen J. In situ mineralized PLGA/zwitterionic hydrogel composite scaffold enables high-efficiency rhBMP-2 release for critical-sized bone healing. Biomater Sci 2022; 10:781-793. [PMID: 34988571 DOI: 10.1039/d1bm01521d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Osteoconductive and osteoinductive scaffolds are highly desirable for functional restoration of large bone defects. Here, we report an in situ mineralized poly(lactic-co-glycolic acid)/poly[2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide hydrogel (PLGA/PSBMA) scaffold as a novel high-efficiency carrier for recombinant human bone morphogenetic protein-2 (rhBMP-2) for bone tissue regeneration. By virtue of the oppositely charged structure, the zwitterionic PSBMA component is able to template well-integrated dense mineralization of calcium phosphate throughout the PLGA/PSBMA scaffold. The high affinity between rhBMP-2 and the mineralized matrix, combined with the capability of the zwitterionic hydrogel to sequester and to enable sustained release of ionic proteins, endows the mineralized PLGA/PSBMA scaffolds with high-efficiency sustained release of rhBMP-2 (only 1.7% release within 35 days), thus enabling robust healing of critical-sized (5 mm) nonunion calvarial defects in rats at an ultralow dosage of rhBMP-2 (150 ng per scaffold), at which level successful healing of critical-sized bone defects has never been reported. These findings show that the mineralized PLGA/PSBMA scaffold is promising for bone defect repair.
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Affiliation(s)
- Peiming Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China. .,Changzhou Institute of Materia Medica Co., Ltd., Changzhou, Jiangsu 213000, China
| | - Tianyi Bao
- Department of Orthopedics, Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, P. R. China
| | - Lian Sun
- Department of Orthopedics, Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, P. R. China
| | - Zeyi Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Jin Sun
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Wan Peng
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Donglin Gan
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Guoyong Yin
- Department of Orthopedics, Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, P. R. China
| | - Pingsheng Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
| | - Wei-Bing Zhang
- Department of Orthopedics, Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing 210029, P. R. China.,Department of Stomatology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, China.
| | - Jian Shen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China. .,Jiangsu Engineering Research Center of Interfacial Chemistry, Nanjing University, Nanjing 210093, P. R. China.
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57
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Cedeño-Viveros LD, Rodriguez CA, Segura-Ibarra V, Vázquez E, García-López E. Characterization of Porous Scaffolds Fabricated by Joining Stacking Based Laser Micro-Spot Welding (JS-LMSW) for Tissue Engineering Applications. MATERIALS (BASEL, SWITZERLAND) 2021; 15:99. [PMID: 35009246 PMCID: PMC8745960 DOI: 10.3390/ma15010099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/17/2021] [Accepted: 12/18/2021] [Indexed: 06/14/2023]
Abstract
A novel manufacturing approach was used to fabricate metallic scaffolds. A calibration of the laser cutting process was performed using the kerf width compensation in the calculations of the tool trajectory. Welding defects were studied through X-ray microtomography. Penetration depth and width resulted in relative errors of 9.4%, 1.0%, respectively. Microhardness was also measured, and the microstructure was studied in the base material. The microhardness values obtained were 400 HV, 237 HV, and 215 HV for the base material, HAZ, and fusion zone, respectively. No significant difference was found between the microhardness measurement along with different height positions of the scaffold. The scaffolds' dimensions and porosity were measured, their internal architecture was observed with micro-computed tomography. The results indicated that geometries with dimensions under 500 µm with different shapes resulted in relative errors of ~2.7%. The fabricated scaffolds presented an average compressive modulus ~13.15 GPa, which is close to cortical bone properties. The proposed methodology showed a promising future in bone tissue engineering applications.
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Affiliation(s)
- Luis D. Cedeño-Viveros
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico; (L.D.C.-V.); (C.A.R.); (V.S.-I.)
| | - Ciro A. Rodriguez
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico; (L.D.C.-V.); (C.A.R.); (V.S.-I.)
- Laboratorio Nacional de Manufactura Aditiva y Digital (MADiT), Apodaca 66629, Mexico
| | - Victor Segura-Ibarra
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico; (L.D.C.-V.); (C.A.R.); (V.S.-I.)
| | - Elisa Vázquez
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico; (L.D.C.-V.); (C.A.R.); (V.S.-I.)
- Laboratorio Nacional de Manufactura Aditiva y Digital (MADiT), Apodaca 66629, Mexico
| | - Erika García-López
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico; (L.D.C.-V.); (C.A.R.); (V.S.-I.)
- Laboratorio Nacional de Manufactura Aditiva y Digital (MADiT), Apodaca 66629, Mexico
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58
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Li J, Wang W, Li M, Song P, Lei H, Gui X, Zhou C, Liu L. Biomimetic Methacrylated Gelatin Hydrogel Loaded With Bone Marrow Mesenchymal Stem Cells for Bone Tissue Regeneration. Front Bioeng Biotechnol 2021; 9:770049. [PMID: 34926420 PMCID: PMC8675867 DOI: 10.3389/fbioe.2021.770049] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 11/08/2021] [Indexed: 02/05/2023] Open
Abstract
Large-segment bone defect caused by trauma or tumor is one of the most challenging problems in orthopedic clinics. Biomimetic materials for bone tissue engineering have developed dramatically in the past few decades. The organic combination of biomimetic materials and stem cells offers new strategies for tissue repair, and the fate of stem cells is closely related to their extracellular matrix (ECM) properties. In this study, a photocrosslinked biomimetic methacrylated gelatin (Bio-GelMA) hydrogel scaffold was prepared to simulate the physical structure and chemical composition of the natural bone extracellular matrix, providing a three-dimensional (3D) template and extracellular matrix microenvironment. Bone marrow mesenchymal stem cells (BMSCS) were encapsulated in Bio-GelMA scaffolds to examine the therapeutic effects of ECM-loaded cells in a 3D environment simulated for segmental bone defects. In vitro results showed that Bio-GelMA had good biocompatibility and sufficient mechanical properties (14.22kPa). A rat segmental bone defect model was constructed in vivo. The GelMA-BMSC suspension was added into the PDMS mold with the size of the bone defect and photocured as a scaffold. BMSC-loaded Bio-GelMA resulted in maximum and robust new bone formation compared with hydrogels alone and stem cell group. In conclusion, the bio-GelMA scaffold can be used as a cell carrier of BMSC to promote the repair of segmental bone defects and has great potential in future clinical applications.
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Affiliation(s)
- Jun Li
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Wenzhao Wang
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Mingxin Li
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Ping Song
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Haoyuan Lei
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Xingyu Gui
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Changchun Zhou
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China.,College of Biomedical Engineering, Sichuan University, Chengdu, China
| | - Lei Liu
- Department of Orthopedics, Orthopedic Research Institute, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
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59
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Tang S, Dong Z, Ke X, Luo J, Li J. Advances in biomineralization-inspired materials for hard tissue repair. Int J Oral Sci 2021; 13:42. [PMID: 34876550 PMCID: PMC8651686 DOI: 10.1038/s41368-021-00147-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/24/2022] Open
Abstract
Biomineralization is the process by which organisms form mineralized tissues with hierarchical structures and excellent properties, including the bones and teeth in vertebrates. The underlying mechanisms and pathways of biomineralization provide inspiration for designing and constructing materials to repair hard tissues. In particular, the formation processes of minerals can be partly replicated by utilizing bioinspired artificial materials to mimic the functions of biomolecules or stabilize intermediate mineral phases involved in biomineralization. Here, we review recent advances in biomineralization-inspired materials developed for hard tissue repair. Biomineralization-inspired materials are categorized into different types based on their specific applications, which include bone repair, dentin remineralization, and enamel remineralization. Finally, the advantages and limitations of these materials are summarized, and several perspectives on future directions are discussed.
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Affiliation(s)
- Shuxian Tang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, PR China
| | - Zhiyun Dong
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, PR China
| | - Xiang Ke
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, PR China
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, PR China.
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, PR China.
- Med-X Center for Materials, Sichuan University, Chengdu, PR China.
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60
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Wang W, Zhang B, Zhao L, Li M, Han Y, Wang L, Zhang Z, Li J, Zhou C, Liu L. Fabrication and properties of PLA/nano-HA composite scaffolds with balanced mechanical properties and biological functions for bone tissue engineering application. NANOTECHNOLOGY REVIEWS 2021. [DOI: 10.1515/ntrev-2021-0083] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Abstract
Repair of critical bone defects is a challenge in the orthopedic clinic. 3D printing is an advanced personalized manufacturing technology that can accurately shape internal structures and external contours. In this study, the composite scaffolds of polylactic acid (PLA) and nano-hydroxyapatite (n-HA) were manufactured by the fused deposition modeling (FDM) technique. Equal mass PLA and n-HA were uniformly mixed to simulate the organic and inorganic phases of natural bone. The suitability of the composite scaffolds was evaluated by material characterization, mechanical property, and in vitro biocompatibility, and the osteogenesis induction in vitro was further tested. Finally, the printed scaffold was implanted into the rabbit femoral defect model to evaluate the osteogenic ability in vivo. The results showed that the composite scaffold had sufficient mechanical strength, appropriate pore size, and biocompatibility. Most importantly, the osteogenic induction performance of the composite scaffold was significantly better than that of the pure PLA scaffold. In conclusion, the PLA/n-HA scaffold is a promising composite biomaterial for bone defect repair and has excellent clinical transformation potential.
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Affiliation(s)
- Wenzhao Wang
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
| | - Boqing Zhang
- National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064 , China
- College of Biomedical Engineering, Sichuan University , Chengdu 610064 , China
| | - Lihong Zhao
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
| | - Mingxin Li
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
| | - Yanlong Han
- Department of Orthopedics, The People’s Hospital of Xinjiang Uygur Autonomous Region , Urumqi 830001 , China
| | - Li Wang
- Department of Orthopedics, The People’s Hospital of Xinjiang Uygur Autonomous Region , Urumqi 830001 , China
| | - Zhengdong Zhang
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
- Department of Orthopedics, The First Affiliated Hospital of Chengdu Medical College , Chengdu , Sichuan , China
| | - Jun Li
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
| | - Changchun Zhou
- National Engineering Research Center for Biomaterials, Sichuan University , Chengdu 610064 , China
- College of Biomedical Engineering, Sichuan University , Chengdu 610064 , China
| | - Lei Liu
- Orthopedic Research Institute, Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University , Chengdu 610041 , China
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61
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Adach M, Sokołowski P, Piwowarczyk T, Nowak K. Study on Geometry, Dimensional Accuracy and Structure of Parts Produced by Multi Jet Fusion. MATERIALS 2021; 14:ma14164510. [PMID: 34443032 PMCID: PMC8398662 DOI: 10.3390/ma14164510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/28/2021] [Accepted: 08/05/2021] [Indexed: 12/04/2022]
Abstract
Multi Jet Fusion (MJF) is one of the newest additive manufacturing technologies for polymer powders, introduced in recent years. This fully industrial technology is gaining big interest as it allows fast, layer-by-layer, printing process, short production cycle, and very high printing resolution. In this paper, twelve thin-walled, spherical PA12 prints were studied in terms of geometry, dimensional accuracy, and fracture surface characteristics. The various characteristic features for MJF prints were observed here for parts produced according to four various print orientations and having different thicknesses, i.e., 1, 2 or 3 mm. The study showed that MJF technology can print such difficult shapes. However, the set of parameters allowing producing parts with highest geometrical and dimensional accuracy causes at the same time some microstructural issues, like great interlayer porosity or high number of non-processed powder particles embedded in the print structure.
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Affiliation(s)
- Martyna Adach
- 3D Center Sp. z o.o., Kwiatkowskiego 4, 52-407 Wroclaw, Poland; (M.A.); (K.N.)
| | - Paweł Sokołowski
- Department of Metal Forming, Welding and Metrology, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland;
- Correspondence:
| | - Tomasz Piwowarczyk
- Department of Metal Forming, Welding and Metrology, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland;
| | - Krzysztof Nowak
- 3D Center Sp. z o.o., Kwiatkowskiego 4, 52-407 Wroclaw, Poland; (M.A.); (K.N.)
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62
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Zaszczyńska A, Moczulska-Heljak M, Gradys A, Sajkiewicz P. Advances in 3D Printing for Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2021; 14:3149. [PMID: 34201163 PMCID: PMC8226963 DOI: 10.3390/ma14123149] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 12/18/2022]
Abstract
Tissue engineering (TE) scaffolds have enormous significance for the possibility of regeneration of complex tissue structures or even whole organs. Three-dimensional (3D) printing techniques allow fabricating TE scaffolds, having an extremely complex structure, in a repeatable and precise manner. Moreover, they enable the easy application of computer-assisted methods to TE scaffold design. The latest additive manufacturing techniques open up opportunities not otherwise available. This study aimed to summarize the state-of-art field of 3D printing techniques in applications for tissue engineering with a focus on the latest advancements. The following topics are discussed: systematics of the available 3D printing techniques applied for TE scaffold fabrication; overview of 3D printable biomaterials and advancements in 3D-printing-assisted tissue engineering.
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Affiliation(s)
- Angelika Zaszczyńska
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b St., 02-106 Warsaw, Poland
| | - Maryla Moczulska-Heljak
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b St., 02-106 Warsaw, Poland
| | - Arkadiusz Gradys
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b St., 02-106 Warsaw, Poland
| | - Paweł Sajkiewicz
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Pawinskiego 5b St., 02-106 Warsaw, Poland
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Qu M, Wang C, Zhou X, Libanori A, Jiang X, Xu W, Zhu S, Chen Q, Sun W, Khademhosseini A. Multi-Dimensional Printing for Bone Tissue Engineering. Adv Healthc Mater 2021; 10:e2001986. [PMID: 33876580 PMCID: PMC8192454 DOI: 10.1002/adhm.202001986] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/15/2021] [Indexed: 02/05/2023]
Abstract
The development of 3D printing has significantly advanced the field of bone tissue engineering by enabling the fabrication of scaffolds that faithfully recapitulate desired mechanical properties and architectures. In addition, computer-based manufacturing relying on patient-derived medical images permits the fabrication of customized modules in a patient-specific manner. In addition to conventional 3D fabrication, progress in materials engineering has led to the development of 4D printing, allowing time-sensitive interventions such as programed therapeutics delivery and modulable mechanical features. Therapeutic interventions established via multi-dimensional engineering are expected to enhance the development of personalized treatment in various fields, including bone tissue regeneration. Here, recent studies utilizing 3D printed systems for bone tissue regeneration are summarized and advances in 4D printed systems are highlighted. Challenges and perspectives for the future development of multi-dimensional printed systems toward personalized bone regeneration are also discussed.
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Affiliation(s)
- Moyuan Qu
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Canran Wang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xingwu Zhou
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xing Jiang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Weizhe Xu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Qianming Chen
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Wujin Sun
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90064, United States
| | - Ali Khademhosseini
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, Department of Radiology University of California-Los Angeles, Los Angeles, CA 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90064, United States
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Osseointegration Improvement of Co-Cr-Mo Alloy Produced by Additive Manufacturing. Pharmaceutics 2021; 13:pharmaceutics13050724. [PMID: 34069254 PMCID: PMC8156199 DOI: 10.3390/pharmaceutics13050724] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 12/14/2022] Open
Abstract
Cobalt-base alloys (Co-Cr-Mo) are widely employed in dentistry and orthopedic implants due to their biocompatibility, high mechanical strength and wear resistance. The osseointegration of implants can be improved by surface modification techniques. However, complex geometries obtained by additive manufacturing (AM) limits the efficiency of mechanical-based surface modification techniques. Therefore, plasma immersion ion implantation (PIII) is the best alternative, creating nanotopography even in complex structures. In the present study, we report the osseointegration results in three conditions of the additively manufactured Co-Cr-Mo alloy: (i) as-built, (ii) after PIII, and (iii) coated with titanium (Ti) followed by PIII. The metallic samples were designed with a solid half and a porous half to observe the bone ingrowth in different surfaces. Our results revealed that all conditions presented cortical bone formation. The titanium-coated sample exhibited the best biomechanical results, which was attributed to the higher bone ingrowth percentage with almost all medullary canals filled with neoformed bone and the pores of the implant filled and surrounded by bone ingrowth. It was concluded that the metal alloys produced for AM are biocompatible and stimulate bone neoformation, especially when the Co-28Cr-6Mo alloy with a Ti-coated surface, nanostructured and anodized by PIII is used, whose technology has been shown to increase the osseointegration capacity of this implant.
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Bouyer M, Garot C, Machillot P, Vollaire J, Fitzpatrick V, Morand S, Boutonnat J, Josserand V, Bettega G, Picart C. 3D-printed scaffold combined to 2D osteoinductive coatings to repair a critical-size mandibular bone defect. Mater Today Bio 2021; 11:100113. [PMID: 34124641 PMCID: PMC8173095 DOI: 10.1016/j.mtbio.2021.100113] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/20/2021] [Accepted: 04/24/2021] [Indexed: 02/03/2023] Open
Abstract
The reconstruction of large bone defects (12 cm3) remains a challenge for clinicians. We developed a new critical-size mandibular bone defect model on a minipig, close to human clinical issues. We analyzed the bone reconstruction obtained by a 3D-printed scaffold made of clinical-grade polylactic acid (PLA), coated with a polyelectrolyte film delivering an osteogenic bioactive molecule (BMP-2). We compared the results (computed tomography scans, microcomputed tomography scans, histology) to the gold standard solution, bone autograft. We demonstrated that the dose of BMP-2 delivered from the scaffold significantly influenced the amount of regenerated bone and the repair kinetics, with a clear BMP-2 dose-dependence. Bone was homogeneously formed inside the scaffold without ectopic bone formation. The bone repair was as good as for the bone autograft. The BMP-2 doses applied in our study were reduced 20- to 75-fold compared to the commercial collagen sponges used in the current clinical applications, without any adverse effects. Three-dimensional printed PLA scaffolds loaded with reduced doses of BMP-2 may be a safe and simple solution for large bone defects faced in the clinic.
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Affiliation(s)
- M. Bouyer
- CEA, CNRS, Université de Grenoble Alpes, ERL5000 BRM, IRIG Institute, 17 Rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
- Université Grenoble Alpes, Institut Albert Bonniot, F-38000, Grenoble, France
- Clinique Générale d’Annecy, 4 Chemin de la Tour la Reine, 74000, Annecy, France
| | - C. Garot
- CEA, CNRS, Université de Grenoble Alpes, ERL5000 BRM, IRIG Institute, 17 Rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
| | - P. Machillot
- CEA, CNRS, Université de Grenoble Alpes, ERL5000 BRM, IRIG Institute, 17 Rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
| | - J. Vollaire
- Université Grenoble Alpes, Institut Albert Bonniot, F-38000, Grenoble, France
- INSERM U1209, Institut Albert Bonniot, F-38000, Grenoble, France
| | - V. Fitzpatrick
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
| | - S. Morand
- CEA, CNRS, Université de Grenoble Alpes, ERL5000 BRM, IRIG Institute, 17 Rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
- Service de Chirurgie Maxillo-faciale, Centre Hospitalier Annecy Genevois, 1 Avenue de l'hôpital, 74370, Epagny Metz-Tessy, France
| | - J. Boutonnat
- Unité Médico-technique d’Histologie Cytologie Expérimentale, Faculté de Médecine, Université Joseph Fourier, 38700, La Tronche, France
- Département d’Anatomie et Cytologie Pathologique, Institut de Biologie et de Pathologie, Centre Hospitalier Universitaire de Grenoble, France
| | - V. Josserand
- Université Grenoble Alpes, Institut Albert Bonniot, F-38000, Grenoble, France
- INSERM U1209, Institut Albert Bonniot, F-38000, Grenoble, France
| | - G. Bettega
- Université Grenoble Alpes, Institut Albert Bonniot, F-38000, Grenoble, France
- INSERM U1209, Institut Albert Bonniot, F-38000, Grenoble, France
- Service de Chirurgie Maxillo-faciale, Centre Hospitalier Annecy Genevois, 1 Avenue de l'hôpital, 74370, Epagny Metz-Tessy, France
- Corresponding author.
| | - C. Picart
- CEA, CNRS, Université de Grenoble Alpes, ERL5000 BRM, IRIG Institute, 17 Rue des Martyrs, F-38054, Grenoble, France
- CNRS and Grenoble Institute of Engineering, UMR5628, LMGP, 3 Parvis Louis Néel, F-38016, Grenoble, France
- Institut Universitaire de France, 1 Rue Descartes, 75231, Paris Cedex 05, France
- Corresponding author.
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