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Aslam Khan MU, Aslam MA, Bin Abdullah MF, Stojanović GM. Current Perspectives of Protein in Bone Tissue Engineering: Bone Structure, Ideal Scaffolds, Fabrication Techniques, Applications, Scopes, and Future Advances. ACS APPLIED BIO MATERIALS 2024. [PMID: 39007509 DOI: 10.1021/acsabm.4c00362] [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: 07/16/2024]
Abstract
In view of their exceptional approach, excellent inherent biocompatibility and biodegradability properties, and interaction with the local extracellular matrix, protein-based polymers have received attention in bone tissue engineering, which is a multidisciplinary field that repairs and regenerates fractured bones. Bone is a multihierarchical complex structure, and it performs several essential biofunctions, including maintaining mineral balance and structural support and protecting soft organs. Protein-based polymers have gained interest in developing ideal scaffolds as emerging biomaterials for bone fractured healing and regeneration, and it is challenging to design ideal bone substitutes as perfect biomaterials. Several protein-based polymers, including collagen, keratin, gelatin, serum albumin, etc., are potential materials due to their inherent cytocompatibility, controlled biodegradability, high biofunctionalization, and tunable mechanical characteristics. While numerous studies have indicated the encouraging possibilities of proteins in BTE, there are still major challenges concerning their biodegradability, stability in physiological conditions, and continuous release of growth factors and bioactive molecules. Robust scaffolds derived from proteins can be used to replace broken or diseased bone with a biocompatible substitute; proteins, being biopolymers, provide excellent scaffolds for bone tissue engineering. Herein, recent developments in protein polymers for cutting-edge bone tissue engineering are addressed in this review within 3-5 years, with a focus on the significant challenges and future perspectives. The first section discusses the structural fundamentals of bone anatomy and ideal scaffolds, and the second section describes the fabrication techniques of scaffolds. The third section highlights the importance of proteins and their applications in BTE. Hence, the recent development of protein polymers for state-of-the-art bone tissue engineering has been discussed, highlighting the significant challenges and future perspectives.
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Affiliation(s)
- Muhammad Umar Aslam Khan
- Department of Mechanical and Industrial Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Muhammad Azhar Aslam
- Department of Physics, University of Engineering and Technology, Lahore 39161, Pakistan
| | - Mohd Faizal Bin Abdullah
- Oral and Maxillofacial Surgery Unit, School of Dental Sciences, Universiti Sains Malaysia, Health Campus Kubang Kerian 16150, Kota Bharu, Kelantan, Malaysia
- Oral and Maxillofacial Surgery Unit, Hospital Universiti Sains Malaysia, Universiti Sains Malaysia, Health Campus Kubang Kerian 16150, Kota Bharu, Kelantan, Malaysia
| | - Goran M Stojanović
- Faculty of Technical Sciences, University of Novi Sad, T. D. Obradovica 6, 21000 Novi Sad, Serbia
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Zhou SY, Yuan B, Huang WM, Chen XS, Jia LS. Aponeurosis discission, a low-detergent method for tissue-engineered acellular ligament scaffolds. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:40. [PMID: 35507049 PMCID: PMC9068632 DOI: 10.1007/s10856-022-06661-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 04/05/2022] [Indexed: 06/14/2023]
Abstract
Detergent treatment is the most commonly used method for the decellularization of ligaments and tendon grafts. However, it is well recognized that detergent treatment can also adversely affect the extracellular matrix. This study found that discission into the aponeurosis layer of the patellar tendon (PT) before decellularization is conducive to extracting cells from the PT using a low quantity of detergent in a short time period. The acellular aponeurosis discission ligament (AADL) retains its native collagen fibril structure and mechanical properties. Moreover, the PT retained cell and tissue compatibility in vitro and in vivo. After implantation into a defective allogeneic PT, we found that the AADL healed well in the host, and its collagen structure exhibited gradual improvement 12 months after implantation with satisfactory reconstruction. IMPACT: The aponeurosis of tendons/ligaments is the main barrier to achieving complete decellularization, and it thus prevents complete recellularization for applications in tissue engineering. Aponeurosis can obstruct the removal of cell components. We found that excising the aponeurosis before decellularization allows for the removal of cellular components with a reduced amount of detergent, thus improving the biological properties of the acellular ligament. To the best of our knowledge, no similar studies have been performed. Graphical abstract.
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Affiliation(s)
- Sheng-Yuan Zhou
- Spine Center, Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, 200003, China
| | - Bo Yuan
- Spine Center, Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, 200003, China
| | - Wen-Mao Huang
- Spine Center, Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, 200003, China
| | - Xiong-Sheng Chen
- Spine Center, Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, 200003, China.
| | - Lian-Shun Jia
- Spine Center, Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University (Second Military Medical University), Shanghai, 200003, China
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Stocco E, Porzionato A, De Rose E, Barbon S, Caro RD, Macchi V. Meniscus regeneration by 3D printing technologies: Current advances and future perspectives. J Tissue Eng 2022; 13:20417314211065860. [PMID: 35096363 PMCID: PMC8793124 DOI: 10.1177/20417314211065860] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 11/24/2021] [Indexed: 01/10/2023] Open
Abstract
Meniscal tears are a frequent orthopedic injury commonly managed by conservative
strategies to avoid osteoarthritis development descending from altered
biomechanics. Among cutting-edge approaches in tissue engineering, 3D printing
technologies are extremely promising guaranteeing for complex biomimetic
architectures mimicking native tissues. Considering the anisotropic
characteristics of the menisci, and the ability of printing over structural
control, it descends the intriguing potential of such vanguard techniques to
meet individual joints’ requirements within personalized medicine. This
literature review provides a state-of-the-art on 3D printing for meniscus
reconstruction. Experiences in printing materials/technologies, scaffold types,
augmentation strategies, cellular conditioning have been compared/discussed;
outcomes of pre-clinical studies allowed for further considerations. To date,
translation to clinic of 3D printed meniscal devices is still a challenge:
meniscus reconstruction is once again clear expression of how the integration of
different expertise (e.g., anatomy, engineering, biomaterials science, cell
biology, and medicine) is required to successfully address native tissues
complexities.
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Affiliation(s)
- Elena Stocco
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria, Padova, Italy
| | - Andrea Porzionato
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria, Padova, Italy
| | - Enrico De Rose
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
| | - Silvia Barbon
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria, Padova, Italy
| | - Raffaele De Caro
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria, Padova, Italy
| | - Veronica Macchi
- Department of Neuroscience, Section of Human Anatomy, University of Padova, Padova, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria, Padova, Italy
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Zhou S, Yuan B, Huang W, Tang Y, Chen X. Preparation and biological characteristics of a bovine acellular tendon fiber material. J Biomed Mater Res A 2021; 109:1931-1941. [PMID: 33811434 DOI: 10.1002/jbm.a.37185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 03/14/2021] [Accepted: 03/24/2021] [Indexed: 11/07/2022]
Abstract
Acellular tendon matrix is an ideal substitute for constructing tissue engineering ligaments, but using detergents causes damage to collagen and fibrin during the process of decellularization. In this study, fresh tendons were lyophilized and separated into fresh tendon fiber (FTF) bundles, and then the cellular components in FTF were removed to prepare acellular tendon fiber (ATF) without adding chemical detergent. H&E staining and DAPI fluorescence microscopy showed no nucleus and DNA residue. Compared with FTFs, the DNA content of ATFs was significantly lower without the collagen content change before and after decellularization. The microstructure of collagen fibrils in ATFs was intact under scanning electron microscopy (SEM), and the maximum tensile load and elastic modulus between FTFs and ATFs were not statistically different. The ATF bundles were cultured with SD rat tenocytes for 72 hr and cells attachment to fiber surfaces were observed under SEM. ATF bundles were then implanted into paraspinal muscles, and histological analysis showed fibroblast-like cells within the ATFs and was similar to the control group (fresh tendon autograft) in morphology. H&E staining showed that the number of lymphocytes and plasma cells in ATF was less than that in fresh tendon autograft. ATF bundles were twisted into linear fiber materials by hand, of which the maximum breaking strength was similar to silk with same diameter. These findings demonstrated that ATFs retain their original fibril structure and mechanical properties after decellularization by trypsin and pancreatic deoxyribonuclease without detergent. Lyophilized ATFs linear fiber material provides the possibility of preparing personalized ligament and other tissue engineering scaffolds.
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Affiliation(s)
- Shengyuan Zhou
- Spine Center, Department of Orthopedic Surgery, Chang Zheng Hospital, Naval Medical Univeristy (Second Military Medical University), Shanghai, China
| | - Bo Yuan
- Spine Center, Department of Orthopedic Surgery, Chang Zheng Hospital, Naval Medical Univeristy (Second Military Medical University), Shanghai, China
| | - Wenmao Huang
- Spine Center, Department of Orthopedic Surgery, Chang Zheng Hospital, Naval Medical Univeristy (Second Military Medical University), Shanghai, China
| | - Yifan Tang
- Spine Center, Department of Orthopedic Surgery, Chang Zheng Hospital, Naval Medical Univeristy (Second Military Medical University), Shanghai, China
| | - Xiongsheng Chen
- Spine Center, Department of Orthopedic Surgery, Chang Zheng Hospital, Naval Medical Univeristy (Second Military Medical University), Shanghai, China
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Pitaru AA, Lacombe JG, Cooke ME, Beckman L, Steffen T, Weber MH, Martineau PA, Rosenzweig DH. Investigating Commercial Filaments for 3D Printing of Stiff and Elastic Constructs with Ligament-Like Mechanics. MICROMACHINES 2020; 11:mi11090846. [PMID: 32933035 PMCID: PMC7570386 DOI: 10.3390/mi11090846] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/13/2022]
Abstract
The current gold standard technique for treatment of anterior cruciate ligament (ACL) injury is reconstruction with autograft. These treatments have a relatively high failure and re-tear rate. To overcome this, tissue engineering and additive manufacturing are being used to explore the potential of 3D scaffolds as autograft substitutes. However, mechanically optimal polymers for this have yet to be identified. Here, we use 3D printing technology and various materials with the aim of fabricating constructs better matching the mechanical properties of the native ACL. A fused deposition modeling (FDM) 3D printer was used to microfabricate dog bone-shaped specimens from six different polymers—PLA, PETG, Lay FOMM 60, NinjaFlex, NinjaFlex-SemiFlex, and FlexiFil—at three different raster angles. The tensile mechanical properties of these polymers were determined from stress–strain curves. Our results indicate that no single material came close enough to successfully match reported mechanical properties of the native ACL. However, PLA and PETG had similar ultimate tensile strengths. Lay FOMM 60 displayed a percentage strain at failure similar to reported values for native ACL. Furthermore, raster angle had a significant impact on some mechanical properties for all of the materials except for FlexiFil. We therefore conclude that while none of these materials alone is optimal for mimicking ACL mechanical properties, there may be potential for creating a 3D-printed composite constructs to match ACL mechanical properties. Further investigations involving co-printing of stiff and elastomeric materials must be explored.
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Affiliation(s)
- Audrey A. Pitaru
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
| | - Jean-Gabriel Lacombe
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
| | - Megan E. Cooke
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
| | - Lorne Beckman
- The Orthopaedics Research Lab, McGill University, Montreal, QC H3A 1A1, Canada; (L.B.); (T.S.)
| | - Thomas Steffen
- The Orthopaedics Research Lab, McGill University, Montreal, QC H3A 1A1, Canada; (L.B.); (T.S.)
| | - Michael H. Weber
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
| | - Paul A. Martineau
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
| | - Derek H. Rosenzweig
- Division of Orthopaedic Surgery, McGill University, Montreal, QC H3A 1A1, Canada; (A.A.P.); (J.-G.L.); (M.E.K.); (M.H.W.); (P.A.M.)
- Department of Experimental Surgery, McGill University, Montreal, QC H3A 1A1, Canada
- Injury, Repair and Recovery Program, Research Institute of McGill University Health Centre, Montreal, QC H3A 1A1, Canada
- Correspondence: ; Tel.: +01-514-934-1934 (ext. 43238)
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Gottardi R. Advances in bioprinting: a toolbox for tissue engineering. Connect Tissue Res 2020; 61:115-116. [PMID: 32081098 DOI: 10.1080/03008207.2020.1715573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Riccardo Gottardi
- Department of Pediatrics and Department of Bioengineering, University of Pennsylvania, and Children's Hospital of Philadelphia, USA
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Lin J, Shi Y, Men Y, Wang X, Ye J, Zhang C. Mechanical Roles in Formation of Oriented Collagen Fibers. TISSUE ENGINEERING PART B-REVIEWS 2020; 26:116-128. [PMID: 31801418 DOI: 10.1089/ten.teb.2019.0243] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Collagen is a structural protein that is widely present in vertebrates, being usually distributed in tissues in the form of fibers. In living organisms, fibers are organized in different orientations in various tissues. As the structural base in connective tissue and load-bearing tissue, the orientation of collagen fibers plays an extremely important role in the mechanical properties and physiological and biochemical functions. The study on mechanics role in formation of oriented collagen fibers enables us to understand how discrete cells use limited molecular materials to create tissues with different structures, thereby promoting our understanding of the mechanism of tissue formation from scratch, from invisible to tangible. However, the current understanding of the mechanism of fiber orientation is still insufficient. In addition, existing fabrication methods of oriented fibers are varied and involve interdisciplinary study, and the achievements of each experiment are favorable to the construction and improvement of the fiber orientation theory. To this end, this review focuses on the preparation methods of oriented fibers and proposes a model explaining the formation process of oriented fibers in tendons based on the existing fiber theory. Impact statement As the structural base in connective tissue and load-bearing tissue, the orientation of collagen fibers plays an extremely important role in the mechanical properties and physiological and biochemical functions. However, the current understanding of the mechanism of fiber orientation is still insufficient, which is greatly responsible for the challenge of functional tissue repair and regeneration. Understanding the mechanism of fiber orientation can promote the successful application of fiber orientation scaffolds in tissue repair and regeneration, as well as providing an insight for the mechanism of tissue histomorphology.
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Affiliation(s)
- Jiexiang Lin
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Yanping Shi
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Yutao Men
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Xin Wang
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Jinduo Ye
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
| | - Chunqiu Zhang
- Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, P.R. China
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