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Ma C, de Barros NR, Zheng T, Gomez A, Doyle M, Zhu J, Nanda HS, Li X, Khademhosseini A, Li B. 3D Printing and Surface Engineering of Ti6Al4V Scaffolds for Enhanced Osseointegration in an In Vitro Study. Biomimetics (Basel) 2024; 9:423. [PMID: 39056864 PMCID: PMC11274417 DOI: 10.3390/biomimetics9070423] [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: 05/14/2024] [Revised: 06/25/2024] [Accepted: 07/02/2024] [Indexed: 07/28/2024] Open
Abstract
Ti6Al4V superalloy is recognized as a good candidate for bone implants owing to its biocompatibility, corrosion resistance, and high strength-to-weight ratio. While dense metal implants are associated with stress shielding issues due to the difference in densities, stiffness, and modulus of elasticity compared to bone tissues, the surface of the implant/scaffold should mimic the properties of the bone of interest to assure a good integration with a strong interface. In this study, we investigated the additive manufacturing of porous Ti6Al4V scaffolds and coating modification for enhanced osteoconduction using osteoblast cells. The results showed the successful fabrication of porous Ti6Al4V scaffolds with adequate strength. Additionally, the surface treatment with NaOH and Dopamine Hydrochloride (DOPA) promoted the formation of Dopamine Hydrochloride (DOPA) coating with an optimized coating process, providing an environment that supports higher cell viability and growth compared to the uncoated Ti6Al4V scaffolds, as demonstrated by the higher proliferation ratios observed from day 1 to day 29. These findings bring valuable insights into the surface modification of 3D-printed scaffolds for improved osteoconduction through the coating process in solutions.
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Affiliation(s)
- Changyu Ma
- Autonomy Research Center for STEAHM, California State University Northridge, Northridge, CA 91324, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
| | | | - Tianqi Zheng
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
- Department of Mechanical and Aerospace Engineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Alejandro Gomez
- Autonomy Research Center for STEAHM, California State University Northridge, Northridge, CA 91324, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
| | - Marshall Doyle
- Autonomy Research Center for STEAHM, California State University Northridge, Northridge, CA 91324, USA
| | - Jianhao Zhu
- Autonomy Research Center for STEAHM, California State University Northridge, Northridge, CA 91324, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
| | - Himansu Sekhar Nanda
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
- Discipline of Mechanical Engineering, Indian Institute of Information Technology, Design and Manufacturing, Jabalpur 482005, India
| | - Xiaochun Li
- Department of Mechanical and Aerospace Engineering, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
| | - Bingbing Li
- Autonomy Research Center for STEAHM, California State University Northridge, Northridge, CA 91324, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA 90024, USA
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Babu S, Shanmugavadivu A, Selvamurugan N. Tunable mechanical properties of chitosan-based biocomposite scaffolds for bone tissue engineering applications: A review. Int J Biol Macromol 2024; 272:132820. [PMID: 38825286 DOI: 10.1016/j.ijbiomac.2024.132820] [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: 02/20/2024] [Revised: 05/11/2024] [Accepted: 05/30/2024] [Indexed: 06/04/2024]
Abstract
Bone tissue engineering (BTE) aims to develop implantable bone replacements for severe skeletal abnormalities that do not heal. In the field of BTE, chitosan (CS) has become a leading polysaccharide in the development of bone scaffolds. Although CS has several excellent properties, such as biodegradability, biocompatibility, and antibacterial properties, it has limitations for use in BTE because of its poor mechanical properties, increased degradation, and minimal bioactivity. To address these issues, researchers have explored other biomaterials, such as synthetic polymers, ceramics, and CS coatings on metals, to produce CS-based biocomposite scaffolds for BTE applications. These CS-based biocomposite scaffolds demonstrate superior properties, including mechanical characteristics, such as compressive strength, Young's modulus, and tensile strength. In addition, they are compatible with neighboring tissues, exhibit a controlled rate of degradation, and promote cell adhesion, proliferation, and osteoblast differentiation. This review provides a brief outline of the recent progress in making different CS-based biocomposite scaffolds and how to characterize them so that their mechanical properties can be tuned using crosslinkers for bone regeneration.
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Affiliation(s)
- Sushma Babu
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Abinaya Shanmugavadivu
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Nagarajan Selvamurugan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India.
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Percival KM, Paul V, Husseini GA. Recent Advancements in Bone Tissue Engineering: Integrating Smart Scaffold Technologies and Bio-Responsive Systems for Enhanced Regeneration. Int J Mol Sci 2024; 25:6012. [PMID: 38892199 PMCID: PMC11172494 DOI: 10.3390/ijms25116012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024] Open
Abstract
In exploring the challenges of bone repair and regeneration, this review evaluates the potential of bone tissue engineering (BTE) as a viable alternative to traditional methods, such as autografts and allografts. Key developments in biomaterials and scaffold fabrication techniques, such as additive manufacturing and cell and bioactive molecule-laden scaffolds, are discussed, along with the integration of bio-responsive scaffolds, which can respond to physical and chemical stimuli. These advancements collectively aim to mimic the natural microenvironment of bone, thereby enhancing osteogenesis and facilitating the formation of new tissue. Through a comprehensive combination of in vitro and in vivo studies, we scrutinize the biocompatibility, osteoinductivity, and osteoconductivity of these engineered scaffolds, as well as their interactions with critical cellular players in bone healing processes. Findings from scaffold fabrication techniques and bio-responsive scaffolds indicate that incorporating nanostructured materials and bioactive compounds is particularly effective in promoting the recruitment and differentiation of osteoprogenitor cells. The therapeutic potential of these advanced biomaterials in clinical settings is widely recognized and the paper advocates continued research into multi-responsive scaffold systems.
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Affiliation(s)
- Kelly M. Percival
- Department of Chemical and Biological Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates; (K.M.P.); (V.P.)
| | - Vinod Paul
- Department of Chemical and Biological Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates; (K.M.P.); (V.P.)
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
| | - Ghaleb A. Husseini
- Department of Chemical and Biological Engineering, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates; (K.M.P.); (V.P.)
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah P.O. Box 26666, United Arab Emirates
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Toosi S, Javid-Naderi MJ, Tamayol A, Ebrahimzadeh MH, Yaghoubian S, Mousavi Shaegh SA. Additively manufactured porous scaffolds by design for treatment of bone defects. Front Bioeng Biotechnol 2024; 11:1252636. [PMID: 38312510 PMCID: PMC10834686 DOI: 10.3389/fbioe.2023.1252636] [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: 07/04/2023] [Accepted: 12/20/2023] [Indexed: 02/06/2024] Open
Abstract
There has been increasing attention to produce porous scaffolds that mimic human bone properties for enhancement of tissue ingrowth, regeneration, and integration. Additive manufacturing (AM) technologies, i.e., three dimensional (3D) printing, have played a substantial role in engineering porous scaffolds for clinical applications owing to their high level of design and fabrication flexibility. To this end, this review article attempts to provide a detailed overview on the main design considerations of porous scaffolds such as permeability, adhesion, vascularisation, and interfacial features and their interplay to affect bone regeneration and osseointegration. Physiology of bone regeneration was initially explained that was followed by analysing the impacts of porosity, pore size, permeability and surface chemistry of porous scaffolds on bone regeneration in defects. Importantly, major 3D printing methods employed for fabrication of porous bone substitutes were also discussed. Advancements of MA technologies have allowed for the production of bone scaffolds with complex geometries in polymers, composites and metals with well-tailored architectural, mechanical, and mass transport features. In this way, a particular attention was devoted to reviewing 3D printed scaffolds with triply periodic minimal surface (TPMS) geometries that mimic the hierarchical structure of human bones. In overall, this review enlighten a design pathway to produce patient-specific 3D-printed bone substitutions with high regeneration and osseointegration capacity for repairing large bone defects.
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Affiliation(s)
- Shirin Toosi
- Stem Cell and Regenerative Medicine Center, Mashhad University of Medical Science, Mashhad, Iran
| | - Mohammad Javad Javid-Naderi
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Science, Mashhad, Iran
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, United States
| | | | - Sima Yaghoubian
- Orthopedic Research Center, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Ali Mousavi Shaegh
- Orthopedic Research Center, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
- Laboratory for Microfluidics and Medical Microsystems, BuAli Research Institute, Mashhad University of Medical Science, Mashhad, Iran
- Clinical Research Unit, Ghaem Hospital, Mashhad University of Medical Science, Mashhad, Iran
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Paradowska-Stolarz A, Mikulewicz M, Laskowska J, Karolewicz B, Owczarek A. The Importance of Chitosan Coatings in Dentistry. Mar Drugs 2023; 21:613. [PMID: 38132934 PMCID: PMC10744558 DOI: 10.3390/md21120613] [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: 08/14/2023] [Revised: 11/15/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
A Chitosan is a copolymer of N-acetyl-D-glucose amine and D-glucose amine that can be easily produced. It is a polymer that is widely utilized to create nanoparticles (NPs) with specific properties for applications in a wide range of human activities. Chitosan is a substance with excellent prospects due to its antibacterial, anti-inflammatory, antifungal, haemostatic, analgesic, mucoadhesive, and osseointegrative qualities, as well as its superior film-forming capacity. Chitosan nanoparticles (NPs) serve a variety of functions in the pharmaceutical and medical fields, including dentistry. According to recent research, chitosan and its derivatives can be embedded in materials for dental adhesives, barrier membranes, bone replacement, tissue regeneration, and antibacterial agents to improve the management of oral diseases. This narrative review aims to discuss the development of chitosan-containing materials for dental and implant engineering applications, as well as the challenges and future potential. For this purpose, the PubMed database (Medline) was utilised to search for publications published less than 10 years ago. The keywords used were "chitosan coating" and "dentistry". After carefully selecting according to these keywords, 23 articles were studied. The review concluded that chitosan is a biocompatible and bioactive material with many benefits in surgery, restorative dentistry, endodontics, prosthetics, orthodontics, and disinfection. Furthermore, despite the fact that it is a highly significant and promising coating, there is still a demand for various types of coatings. Chitosan is a semi-synthetic polysaccharide that has many medical applications because of its antimicrobial properties. This article aims to review the role of chitosan in dental implantology.
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Affiliation(s)
- Anna Paradowska-Stolarz
- Division of Dentofacial Anomalies, Department of Orthodontics and Dentofacial Orthopedics, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (M.M.); (J.L.)
| | - Marcin Mikulewicz
- Division of Dentofacial Anomalies, Department of Orthodontics and Dentofacial Orthopedics, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (M.M.); (J.L.)
| | - Joanna Laskowska
- Division of Dentofacial Anomalies, Department of Orthodontics and Dentofacial Orthopedics, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland; (M.M.); (J.L.)
| | - Bożena Karolewicz
- Department of Drug Forms Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland;
| | - Artur Owczarek
- Department of Drug Forms Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland;
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Wu Y, Shi X, Wang J, Li Y, Wu J, Jia D, Bai Y, Wu X, Xu Y. A surface metal ion-modified 3D-printed Ti-6Al-4V implant with direct and immunoregulatory antibacterial and osteogenic activity. Front Bioeng Biotechnol 2023; 11:1142264. [PMID: 37008035 PMCID: PMC10060813 DOI: 10.3389/fbioe.2023.1142264] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
The high concentration of antibacterial metal ions may exhibit unavoidable toxicity to cells and normal tissues. The application of antibacterial metal ions to activate the immune response and induce macrophages to attack and phagocytose bacteria is a new antimicrobial strategy. Herein, 3D-printed Ti-6Al-4V implants modified by copper, and strontium ions combined with natural polymers were designed to treat implant-related infections and osseointegration disorders. The polymer-modified scaffolds rapidly released a large amount of copper and strontium ions. During the release process, copper ions were employed to promote the polarization of M1 macrophages, thus inducing a proinflammatory immune response to inhibit infection and achieve the immune antibacterial activity. Meanwhile, copper and strontium ions promoted the secretion of bone-promoting factors by macrophages, induced osteogenesis and showed immunomodulatory osteogenesis. This study proposed immunomodulatory strategies based on the immunological characteristics of target diseases and provided ideas for the design and synthesis of new immunoregulatory biomaterials.
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Affiliation(s)
- Yipeng Wu
- Graduate School, Kunming Medical University, Kunming, China
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Xiangwen Shi
- Graduate School, Kunming Medical University, Kunming, China
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Jianjun Wang
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Yang Li
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Jiang Wu
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Daqi Jia
- Graduate School, Kunming Medical University, Kunming, China
| | - Yan Bai
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Xiaopei Wu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, China
- *Correspondence: Yongqing Xu, ; Xiaopei Wu,
| | - Yongqing Xu
- Laboratory of Yunnan Traumatology and Orthopedics Clinical Medical Center, Yunnan Orthopedics and Sports Rehabilitation Clinical Medicine Research Center, Department of Orthopedic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
- *Correspondence: Yongqing Xu, ; Xiaopei Wu,
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Cell Adhesion and Initial Bone Matrix Deposition on Titanium-Based Implants with Chitosan-Collagen Coatings: An In Vitro Study. Int J Mol Sci 2023; 24:ijms24054810. [PMID: 36902249 PMCID: PMC10002510 DOI: 10.3390/ijms24054810] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
In orthopedics, titanium (Ti)-alloy implants, are often considered as the first-choice candidates for bone tissue engineering. An appropriate implant coating enhances bone matrix ingrowth and biocompatibility, improving osseointegration. Collagen I (COLL) and chitosan (CS) are largely employed in several different medical applications, for their antibacterial and osteogenic properties. This is the first in vitro study that provides a preliminary comparison between two combinations of COLL/CS coverings for Ti-alloy implants, in terms of cell adhesion, viability, and bone matrix production for probable future use as a bone implant. Through an innovative spraying technique, COLL-CS-COLL and CS-COLL-CS coverings were applied over Ti-alloy (Ti-POR) cylinders. After cytotoxicity evaluations, human bone marrow mesenchymal stem cells (hBMSCs) were seeded onto specimens for 28 days. Cell viability, gene expression, histology, and scanning electron microscopy evaluations were performed. No cytotoxic effects were observed. All cylinders were biocompatible, thus permitting hBMSCs' proliferation. Furthermore, an initial bone matrix deposition was observed, especially in the presence of the two coatings. Neither of the coatings used interferes with the osteogenic differentiation process of hBMSCs, or with an initial deposition of new bone matrix. This study sets the stage for future, more complex, ex vivo or in vivo studies.
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Three-Dimensional Impression of Biomaterials for Alveolar Graft: Scoping Review. J Funct Biomater 2023; 14:jfb14020076. [PMID: 36826875 PMCID: PMC9961517 DOI: 10.3390/jfb14020076] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/22/2023] [Accepted: 01/26/2023] [Indexed: 02/01/2023] Open
Abstract
Craniofacial bone defects are one of the biggest clinical challenges in regenerative medicine, with secondary autologous bone grafting being the gold-standard technique. The development of new three-dimensional matrices intends to overcome the disadvantages of the gold-standard method. The aim of this paper is to put forth an in-depth review regarding the clinical efficiency of available 3D printed biomaterials for the correction of alveolar bone defects. A survey was carried out using the following databases: PubMed via Medline, Cochrane Library, Scopus, Web of Science, EMBASE, and gray literature. The inclusion criteria applied were the following: in vitro, in vivo, ex vivo, and clinical studies; and studies that assessed bone regeneration resorting to 3D printed biomaterials. The risk of bias of the in vitro and in vivo studies was performed using the guidelines for the reporting of pre-clinical studies on dental materials by Faggion Jr and the SYRCLE risk of bias tool, respectively. In total, 92 publications were included in the final sample. The most reported three-dimensional biomaterials were the PCL matrix, β-TCP matrix, and hydroxyapatite matrix. These biomaterials can be combined with different polymers and bioactive molecules such as rBMP-2. Most of the included studies had a high risk of bias. Despite the advances in the research on new three-dimensionally printed biomaterials in bone regeneration, the existing results are not sufficient to justify the application of these biomaterials in routine clinical practice.
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Chen Y, Li X. The utilization of carbon-based nanomaterials in bone tissue regeneration and engineering: Respective featured applications and future prospects. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2022.100168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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10
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Alipour S, Nour S, Attari SM, Mohajeri M, Kianersi S, Taromian F, Khalkhali M, Aninwene GE, Tayebi L. A review on in vitro/ in vivo response of additively manufactured Ti-6Al-4V alloy. J Mater Chem B 2022; 10:9479-9534. [PMID: 36305245 DOI: 10.1039/d2tb01616h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Bone replacement using porous and solid metallic implants, such as Ti-alloy implants, is regarded as one of the most practical therapeutic approaches in biomedical engineering. The bone is a complex tissue with various mechanical properties based on the site of action. Patient-specific Ti-6Al-4V constructs may address the key needs in bone treatment for having customized implants that mimic the complex structure of the natural tissue and diminish the risk of implant failure. This review focuses on the most promising methods of fabricating such patient-specific Ti-6Al-4V implants using additive manufacturing (AM) with a specific emphasis on the popular subcategory, which is powder bed fusion (PBF). Characteristics of the ideal implant to promote optimized tissue-implant interactions, as well as physical, mechanical/chemical treatments and modifications will be discussed. Accordingly, such investigations will be classified into 3B-based approaches (Biofunctionality, Bioactivity, and Biostability), which mainly govern native body response and ultimately the success in implantation.
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Affiliation(s)
- Saeid Alipour
- Department of Materials Science and Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
| | - Shirin Nour
- Tissue Engineering Group, Department of Biomedical Engineering, University of Melbourne, VIC 3010, Australia.,Polymer Science Group, Department of Chemical Engineering, University of Melbourne, VIC 3010, Australia
| | - Seyyed Morteza Attari
- Department of Material Science and Engineering, University of Connecticut, Storrs, Connecticut, USA
| | - Mohammad Mohajeri
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, TX, USA
| | - Sogol Kianersi
- CÚRAM, SFI Centre for Research in Medical Devices, Biomedical Sciences, University of Galway, Galway, Ireland
| | - Farzaneh Taromian
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Mohammadparsa Khalkhali
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - George E Aninwene
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, California, USA.,Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, California, USA.,California NanoSystems Institute (CNSI), University of California-Los Angeles, Los Angeles, California, USA
| | - Lobat Tayebi
- School of Dentistry, Marquette University, Milwaukee, Wisconsin, USA.
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Yazdanian M, Alam M, Abbasi K, Rahbar M, Farjood A, Tahmasebi E, Tebyaniyan H, Ranjbar R, Hesam Arefi A. Synthetic materials in craniofacial regenerative medicine: A comprehensive overview. Front Bioeng Biotechnol 2022; 10:987195. [PMID: 36440445 PMCID: PMC9681815 DOI: 10.3389/fbioe.2022.987195] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/26/2022] [Indexed: 07/25/2023] Open
Abstract
The state-of-the-art approach to regenerating different tissues and organs is tissue engineering which includes the three parts of stem cells (SCs), scaffolds, and growth factors. Cellular behaviors such as propagation, differentiation, and assembling the extracellular matrix (ECM) are influenced by the cell's microenvironment. Imitating the cell's natural environment, such as scaffolds, is vital to create appropriate tissue. Craniofacial tissue engineering refers to regenerating tissues found in the brain and the face parts such as bone, muscle, and artery. More biocompatible and biodegradable scaffolds are more commensurate with tissue remodeling and more appropriate for cell culture, signaling, and adhesion. Synthetic materials play significant roles and have become more prevalent in medical applications. They have also been used in different forms for producing a microenvironment as ECM for cells. Synthetic scaffolds may be comprised of polymers, bioceramics, or hybrids of natural/synthetic materials. Synthetic scaffolds have produced ECM-like materials that can properly mimic and regulate the tissue microenvironment's physical, mechanical, chemical, and biological properties, manage adherence of biomolecules and adjust the material's degradability. The present review article is focused on synthetic materials used in craniofacial tissue engineering in recent decades.
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Affiliation(s)
- Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mostafa Alam
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kamyar Abbasi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Rahbar
- Department of Restorative Dentistry, School of Dentistry, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amin Farjood
- Orthodontic Department, Dental School, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Elahe Tahmasebi
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamid Tebyaniyan
- Department of Science and Research, Islimic Azade University, Tehran, Iran
| | - Reza Ranjbar
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Arian Hesam Arefi
- Dental Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
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12
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Wu HY, Lin YH, Lee AKX, Kuo TY, Tsai CH, Shie MY. Combined Effects of Polydopamine-Assisted Copper Immobilization on 3D-Printed Porous Ti6Al4V Scaffold for Angiogenic and Osteogenic Bone Regeneration. Cells 2022; 11:cells11182824. [PMID: 36139399 PMCID: PMC9497129 DOI: 10.3390/cells11182824] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 12/13/2022] Open
Abstract
Numerous studies have demonstrated that biological compounds and trace elements such as dopamine (DA) and copper ions (Cu) could be modified onto the surfaces of scaffolds using a one-step immersion process which is simple, inexpensive and, most importantly, non-cytotoxic. The development and emergence of 3D printing technologies such as selective laser melting (SLM) have also made it possible for us to fabricate bone scaffolds with precise structural designs using metallic compounds. In this study, we fabricated porous titanium scaffolds (Ti) using SLM and modified the surface of Ti with polydopamine (PDA) and Cu. There are currently no other reported studies with such a combination for osteogenic and angiogenic-related applications. Results showed that such modifications did not affect general appearances and microstructural characteristics of the porous Ti scaffolds. This one-step immersion modification allowed us to modify the surfaces of Ti with different concentrations of Cu ions, thus allowing us to fabricate individualized scaffolds for different clinical scenarios. The modification improved the hydrophilicity and surface roughness of the scaffolds, which in turn led to promote cell behaviors of Wharton’s jelly mesenchymal stem cells. Ti itself has high mechanical strength, therefore making it suitable for surgical handling and clinical applications. Furthermore, the scaffolds were able to release ions in a sustained manner which led to an upregulation of osteogenic-related proteins (bone alkaline phosphatase, bone sialoprotein and osteocalcin) and angiogenic-related proteins (vascular endothelial growth factor and angiopoietin-1). By combining additive manufacturing, Ti6Al4V scaffolds, surface modification and Cu ions, the novel hybrid 3D-printed porous scaffold could be fabricated with ease and specifically benefited future bone regeneration in the clinic.
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Affiliation(s)
- Hsi-Yao Wu
- School of Dentistry, China Medical University, Taichung 406040, Taiwan
| | - Yen-Hong Lin
- X-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 404332, Taiwan
| | - Alvin Kai-Xing Lee
- Department of Education, China Medical University Hospital, Taichung 404332, Taiwan
| | - Ting-You Kuo
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City 406040, Taiwan
| | - Chun-Hao Tsai
- Department of Sports Medicine, College of Health Care, China Medical University, Taichung 406040, Taiwan
- Department of Orthopedics, China Medical University Hospital, Taichung 40447, Taiwan
| | - Ming-You Shie
- School of Dentistry, China Medical University, Taichung 406040, Taiwan
- X-Dimension Center for Medical Research and Translation, China Medical University Hospital, Taichung 404332, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 41354, Taiwan
- Correspondence: ; Tel.: +886-4-22967979 (ext. 3700)
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Yousefiasl S, Sharifi E, Salahinejad E, Makvandi P, Irani S. Bioactive 3D-Printed Chitosan-Based Scaffolds for Personalized Craniofacial Bone Tissue Engineering. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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14
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Özcan M, Magini EB, Volpato GM, Cruz A, Volpato CAM. Additive Manufacturing Technologies for Fabrication of Biomaterials for Surgical Procedures in Dentistry: A Narrative Review. J Prosthodont 2022; 31:105-135. [PMID: 35313027 DOI: 10.1111/jopr.13484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2022] [Indexed: 11/28/2022] Open
Abstract
PURPOSE To screen and critically appraise available literature regarding additive manufacturing technologies for bone graft material fabrication in dentistry. MATERIAL AND METHODS PubMed and Scopus were searched up to May 2021. Studies reporting the additive manufacturing techniques to manufacture scaffolds for intraoral bone defect reconstruction were considered eligible. A narrative review was synthesized to discuss the techniques for bone graft material fabrication in dentistry and the biomaterials used. RESULTS The databases search resulted in 933 articles. After removing duplicate articles (128 articles), the titles and abstracts of the remaining articles (805 articles) were evaluated. A total of 89 articles were included in this review. Reading these articles, 5 categories of additive manufacturing techniques were identified: material jetting, powder bed fusion, vat photopolymerization, binder jetting, and material extrusion. CONCLUSIONS Additive manufacturing technologies for bone graft material fabrication in dentistry, especially 3D bioprinting approaches, have been successfully used to fabricate bone graft material with distinct compositions.
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Affiliation(s)
- Mutlu Özcan
- Division of Dental Biomaterials, Center of Dental Medicine, Clinic for Reconstructive Dentistry, University of Zürich, Zürich, Switzerland
| | - Eduarda Blasi Magini
- Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil
| | | | - Ariadne Cruz
- Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil
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15
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Sheng X, Wang A, Wang Z, Liu H, Wang J, Li C. Advanced Surface Modification for 3D-Printed Titanium Alloy Implant Interface Functionalization. Front Bioeng Biotechnol 2022; 10:850110. [PMID: 35299643 PMCID: PMC8921557 DOI: 10.3389/fbioe.2022.850110] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/28/2022] [Indexed: 12/20/2022] Open
Abstract
With the development of three-dimensional (3D) printed technology, 3D printed alloy implants, especially titanium alloy, play a critical role in biomedical fields such as orthopedics and dentistry. However, untreated titanium alloy implants always possess a bioinert surface that prevents the interface osseointegration, which is necessary to perform surface modification to enhance its biological functions. In this article, we discuss the principles and processes of chemical, physical, and biological surface modification technologies on 3D printed titanium alloy implants in detail. Furthermore, the challenges on antibacterial, osteogenesis, and mechanical properties of 3D-printed titanium alloy implants by surface modification are summarized. Future research studies, including the combination of multiple modification technologies or the coordination of the structure and composition of the composite coating are also present. This review provides leading-edge functionalization strategies of the 3D printed titanium alloy implants.
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Affiliation(s)
- Xiao Sheng
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
| | - Ao Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
| | - Zhonghan Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
- Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - He Liu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
- Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Jincheng Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
- Orthopaedic Research Institute of Jilin Province, Changchun, China
| | - Chen Li
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China
- Orthopaedic Research Institute of Jilin Province, Changchun, China
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16
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Bone Regeneration and Oxidative Stress: An Updated Overview. Antioxidants (Basel) 2022; 11:antiox11020318. [PMID: 35204201 PMCID: PMC8868092 DOI: 10.3390/antiox11020318] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/27/2022] [Accepted: 02/02/2022] [Indexed: 11/17/2022] Open
Abstract
Bone tissue engineering is a complex domain that requires further investigation and benefits from data obtained over past decades. The models are increasing in complexity as they reveal new data from co-culturing and microfluidics applications. The in vitro models now focus on the 3D medium co-culturing of osteoblasts, osteoclasts, and osteocytes utilizing collagen for separation; this type of research allows for controlled medium and in-depth data analysis. Oxidative stress takes a toll on the domain, being beneficial as well as destructive. Reactive oxygen species (ROS) are molecules that influence the differentiation of osteoclasts, but over time their increasing presence can affect patients and aid the appearance of diseases such as osteoporosis. Oxidative stress can be limited by using antioxidants such as vitamin K and N-acetyl cysteine (NAC). Scaffolds and biocompatible coatings such as hydroxyapatite and bioactive glass are required to isolate the implant, protect the zone from the metallic, ionic exchange, and enhance the bone regeneration by mimicking the composition and structure of the body, thus enhancing cell proliferation. The materials can be further functionalized with growth factors that create a better response and higher chances of success for clinical use. This review highlights the vast majority of newly obtained information regarding bone tissue engineering, such as new co-culturing models, implant coatings, scaffolds, biomolecules, and the techniques utilized to obtain them.
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17
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Gu Y, Sun Y, Shujaat S, Braem A, Politis C, Jacobs R. 3D-printed porous Ti6Al4V scaffolds for long bone repair in animal models: a systematic review. J Orthop Surg Res 2022; 17:68. [PMID: 35109907 PMCID: PMC8812248 DOI: 10.1186/s13018-022-02960-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 01/21/2022] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Titanium and its alloys have been widely employed for bone tissue repair and implant manufacturing. The rapid development of three-dimensional (3D) printing technology has allowed fabrication of porous titanium scaffolds with controllable microstructures, which is considered to be an effective method for promoting rapid bone formation and decreasing bone absorption. The purpose of this systematic review was to evaluate the osteogenic potential of 3D-printed porous Ti6Al4V (Ti64) scaffold for repairing long bone defects in animal models and to investigate the influential factors that might affect its osteogenic capacity. METHODS Electronic literature search was conducted in the following databases: PubMed, Web of Science, and Embase up to September 2021. The SYRCLE's tool and the modified CAMARADES list were used to assess the risk of bias and methodological quality, respectively. Due to heterogeneity of the selected studies in relation to protocol and outcomes evaluated, a meta-analysis could not be performed. RESULTS The initial search revealed 5858 studies. Only 46 animal studies were found to be eligible based on the inclusion criteria. Rabbit was the most commonly utilized animal model. A pore size of around 500-600 µm and porosity of 60-70% were found to be the most ideal parameters for designing the Ti64 scaffold, where both dodecahedron and diamond pores optimally promoted osteogenesis. Histological analysis of the scaffold in a rabbit model revealed that the maximum bone area fraction reached 59.3 ± 8.1% at weeks 8-10. Based on micro-CT assessment, the maximum bone volume fraction was found to be 34.0 ± 6.0% at weeks 12. CONCLUSIONS Ti64 scaffold might act as a promising medium for providing sufficient mechanical support and a stable environment for new bone formation in long bone defects. Trail registration The study protocol was registered in the PROSPERO database under the number CRD42020194100.
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Affiliation(s)
- Yifei Gu
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Yi Sun
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Sohaib Shujaat
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Annabel Braem
- Department of Materials Engineering, Biomaterials and Tissue Engineering Research Group, KU Leuven, 3000, Leuven, Belgium
| | - Constantinus Politis
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium.,Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Reinhilde Jacobs
- OMFS-IMPATH Research Group, Department of Imaging and Pathology, KU Leuven, Leuven, Belgium. .,Department of Oral and Maxillofacial Surgery, University Hospitals Leuven, Leuven, Belgium. .,Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden.
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18
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Anandhapadman A, Venkateswaran A, Jayaraman H, Ghone NV. Advances in 3D printing of composite scaffolds for the repairment of bone tissue associated defects. Biotechnol Prog 2022; 38:e3234. [PMID: 35037419 DOI: 10.1002/btpr.3234] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 12/11/2021] [Accepted: 01/07/2022] [Indexed: 11/09/2022]
Abstract
The conventional methods of using autografts and allografts for repairing defects in bone, the osteochondral bone and the cartilage tissue have many disadvantages, like donor site morbidity and shortage of donors. Moreover, only 30% of the implanted grafts are shown to be successful in treating the defects. Hence, exploring alternative techniques such as tissue engineering to treat bone tissue associated defects is promising as it eliminates the above-mentioned limitations. To enhance the mechanical and biological properties of the tissue engineered product, it is essential to fabricate the scaffold used in tissue engineering by the combination of various biomaterials. Three-dimensional (3D) printing, with its ability to print composite materials and with complex geometry seems to have a huge potential in scaffold fabrication technique for engineering bone associated tissues.This review summarizes the recent applications and future perspectives of 3D printing technologies in the fabrication of composite scaffolds used in bone, osteochondral and cartilage tissue engineering. Key developments in the field of 3D printing technologies involves the incorporation of various biomaterials and cells in printing composite scaffolds mimicking physiologically relevant complex geometry & gradient porosity. Much recently, the emerging trend of printing smart scaffolds which can respond to external stimulus such as temperature, pH and magnetic field, known as 4D printing is gaining immense popularity and can be considered as the future of 3D printing applications in the field of tissue engineering. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ashwin Anandhapadman
- Department of Biotechnology, Sri Venkateswara College of Engineering, Post Bag No.1, Pennalur - 602117, Sriperumbudur, Kancheepuram, Tamil Nadu, India
| | - Ajay Venkateswaran
- Department of Biotechnology, Sri Venkateswara College of Engineering, Post Bag No.1, Pennalur - 602117, Sriperumbudur, Kancheepuram, Tamil Nadu, India
| | - Hariharan Jayaraman
- Department of Biotechnology, Sri Venkateswara College of Engineering, Post Bag No.1, Pennalur - 602117, Sriperumbudur, Kancheepuram, Tamil Nadu, India
| | - Nalinkanth Veerabadran Ghone
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Rajiv Gandhi Salai (OMR), Kalavakkam, Tamil Nadu, India
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19
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Bahraminasab M, Janmohammadi M, Arab S, Talebi A, Nooshabadi VT, Koohsarian P, Nourbakhsh MS. Bone Scaffolds: An Incorporation of Biomaterials, Cells, and Biofactors. ACS Biomater Sci Eng 2021; 7:5397-5431. [PMID: 34797061 DOI: 10.1021/acsbiomaterials.1c00920] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Large injuries to bones are still one of the most challenging musculoskeletal problems. Tissue engineering can combine stem cells, scaffold biomaterials, and biofactors to aid in resolving this complication. Therefore, this review aims to provide information on the recent advances made to utilize the potential of biomaterials for making bone scaffolds and the assisted stem cell therapy and use of biofactors for bone tissue engineering. The requirements and different types of biomaterials used for making scaffolds are reviewed. Furthermore, the importance of stem cells and biofactors (growth factors and extracellular vesicles) in bone regeneration and their use in bone scaffolds and the key findings are discussed. Lastly, some of the main obstacles in bone tissue engineering and future trends are highlighted.
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Affiliation(s)
- Marjan Bahraminasab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Mahsa Janmohammadi
- Department of Biomedical Engineering, Faculty of New Sciences and Technologies, Semnan University, Semnan 3513119111, Iran
| | - Samaneh Arab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Athar Talebi
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Vajihe Taghdiri Nooshabadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Parisa Koohsarian
- Department of Biochemistry and Hematology, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran
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20
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García-Cabezón C, Godinho V, Salvo-Comino C, Torres Y, Martín-Pedrosa F. Improved Corrosion Behavior and Biocompatibility of Porous Titanium Samples Coated with Bioactive Chitosan-Based Nanocomposites. MATERIALS (BASEL, SWITZERLAND) 2021; 14:6322. [PMID: 34771848 PMCID: PMC8585141 DOI: 10.3390/ma14216322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 11/18/2022]
Abstract
Porous titanium implants can be a good solution to solve the stress shielding phenomenon. However, the presence of pores compromises mechanical and corrosion resistance. In this work, porous titanium samples obtained using a space-holder technique are coated with Chitosan, Chitosan/AgNPs and Chitosan/Hydroxyapatite using only one step and an economic electrodeposition method. The coatings' topography, homogeneity and chemical composition were analyzed. A study of the effect of the porosity and type of coating on corrosion resistance and cellular behavior was carried out. The electrochemical studies reveal that porous samples show high current densities and an unstable oxide film; therefore, there is a need for surface treatments to improve corrosion resistance. The Chitosan coatings provide a significant improvement in the corrosion resistance, but the Chitosan/AgNPs and Chitosan/HA coatings showed the highest protection efficiency, especially for the more porous samples. Furthermore, these coatings have better adherence than the chitosan coatings, and the higher surface roughness obtained favors cell adhesion and proliferation. Finally, a combination of coating and porous substrate material with the best biomechanical balance and biofunctional behavior is proposed as a potential candidate for the replacement of small, damaged bone tissues.
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Affiliation(s)
- Cristina García-Cabezón
- Departamento de Ciencia de Materiales e Ingeniería Metalúrgica, Escuela de Ingenierías Industriales, Universidad de Valladolid, Calle Paseo del Cace 59, 47011 Valladolid, Spain;
| | - Vanda Godinho
- Departamento de Ingeniería y Ciencia de los Materiales y del Transporte, Escuela Politécnica Superior, Calle Virgen de África 7, 41011 Sevilla, Spain; (V.G.); (Y.T.)
| | - Coral Salvo-Comino
- Departamento de Química Inorgánica, Escuela de Ingenierías Industriales, Universidad de Valladolid, Calle Paseo del Cace 59, 47011 Valladolid, Spain;
| | - Yadir Torres
- Departamento de Ingeniería y Ciencia de los Materiales y del Transporte, Escuela Politécnica Superior, Calle Virgen de África 7, 41011 Sevilla, Spain; (V.G.); (Y.T.)
| | - Fernando Martín-Pedrosa
- Departamento de Ciencia de Materiales e Ingeniería Metalúrgica, Escuela de Ingenierías Industriales, Universidad de Valladolid, Calle Paseo del Cace 59, 47011 Valladolid, Spain;
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21
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Chitosan-based 3D-printed scaffolds for bone tissue engineering. Int J Biol Macromol 2021; 183:1925-1938. [PMID: 34097956 DOI: 10.1016/j.ijbiomac.2021.05.215] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 05/30/2021] [Accepted: 05/31/2021] [Indexed: 12/12/2022]
Abstract
Despite the spontaneous regenerative properties of autologous bone grafts, this technique remains dilatory and restricted to fractures and injuries. Conventional grafting strategies used to treat bone tissue damage have several limitations. This highlights the need for novel approaches to overcome the persisting challenges. Tissue-like constructs that can mimic natural bone structurally and functionally represent a promising strategy. Bone tissue engineering (BTE) is an approach used to develop bioengineered bone with subtle architecture. BTE utilizes biomaterials to accommodate cells and deliver signaling molecules required for bone rejuvenation. Among the various techniques available for scaffold creation, 3D-printing technology is considered to be a superior technique as it enables the design of functional scaffolds with well-defined customizable properties. Among the biomaterials obtained from natural, synthetic, or ceramic origins, naturally derived chitosan (CS) polymers are promising candidates for fabricating reliable tissue constructs. In this review, the physicochemical-biological properties and applications of CS-based 3D-printed scaffolds and their future perspectives in BTE are summarized.
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22
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Synthesis of shape memory electroconductive polyurethane with self-healing capability as an intelligent biomedical scaffold for bone tissue engineering. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123694] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Shaabani A, Sedghi R. Preparation of chitosan biguanidine/PANI-containing self-healing semi-conductive waterborne scaffolds for bone tissue engineering. Carbohydr Polym 2021; 264:118045. [PMID: 33910747 DOI: 10.1016/j.carbpol.2021.118045] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/02/2021] [Accepted: 04/03/2021] [Indexed: 12/22/2022]
Abstract
Electrically conducting self-healing scaffolds are known as a new series of intelligent biomaterial for regulating Human Adipose Mesenchymal Stem Cells biological behaviors, especially their differentiation to bone cells. Herein, we developed a novel hydrophilic semi-conductive chitosan derivative (CP) and loaded it into the self-healing waterborne polyurethane structure, as a new osteogenic agent. The fabricated scaffolds exhibited excellent shape memory properties with shape fixity (> 97 %) and shape recovery ratio (> 98 %) with excellent self-healing value (> 93 %) at a temperature close to the body temperature. The results of MTT, cell attachment, alkaline phosphatase activity, and alizarin red staining analysis demonstrated that the CP-contained scaffolds promote proliferation of hADSCs and matrix mineralization. Also, by introducing the CP the gene expression level of COL-1, ALP, RUNX2, and OCN were significantly enhanced, in line with matrix mineralization. These multifunctional engineered constructs are promising biomaterials for repairing various bone defects.
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Affiliation(s)
- Alireza Shaabani
- Department of Polymer and Materials Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, GC, 1983969411, Tehran, Iran
| | - Roya Sedghi
- Department of Polymer and Materials Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, GC, 1983969411, Tehran, Iran.
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24
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Zhang T, Wei Q, Zhou H, Jing Z, Liu X, Zheng Y, Cai H, Wei F, Jiang L, Yu M, Cheng Y, Fan D, Zhou W, Lin X, Leng H, Li J, Li X, Wang C, Tian Y, Liu Z. Three-dimensional-printed individualized porous implants: A new "implant-bone" interface fusion concept for large bone defect treatment. Bioact Mater 2021; 6:3659-3670. [PMID: 33898870 PMCID: PMC8056181 DOI: 10.1016/j.bioactmat.2021.03.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/12/2021] [Accepted: 03/12/2021] [Indexed: 12/23/2022] Open
Abstract
Bone defect repairs are based on bone graft fusion or replacement. Current large bone defect treatments are inadequate and lack of reliable technology. Therefore, we aimed to investigate a simple technique using three-dimensional (3D)-printed individualized porous implants without any bone grafts, osteoinductive agents, or surface biofunctionalization to treat large bone defects, and systematically study its long-term therapeutic effects and osseointegration characteristics. Twenty-six patients with large bone defects caused by tumor, infection, or trauma received treatment with individualized porous implants; among them, three typical cases underwent a detailed study. Additionally, a large segmental femur defect sheep model was used to study the osseointegration characteristics. Immediate and long-term biomechanical stability was achieved, and the animal study revealed that the bone grew into the pores with gradual remodeling, resulting in a long-term mechanically stable implant-bone complex. Advantages of 3D-printed microporous implants for the repair of bone defects included 1) that the stabilization devices were immediately designed and constructed to achieve early postoperative mobility, and 2) that osseointegration between the host bone and implants was achieved without bone grafting. Our osseointegration method, in which the “implant-bone” interface fusion concept was used instead of “bone-bone” fusion, subverts the traditional idea of osseointegration. A new “implant-bone” interface fusion concept for large bone defect treatment was realized using 3D-printed porous implants. Osseointegration was achieved without bone grafting. An animal study revealed that the bone grew into the pores with gradual remodeling. Immediate and long-term biomechanical stability was achieved by this method.
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Affiliation(s)
- Teng Zhang
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Qingguang Wei
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Hua Zhou
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Zehao Jing
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Xiaoguang Liu
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Yufeng Zheng
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, People's Republic of China
| | - Hong Cai
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Feng Wei
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Liang Jiang
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Miao Yu
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Yan Cheng
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, People's Republic of China
| | - Daoyang Fan
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Wenhao Zhou
- Shanxi Key Laboratory of Biomedical Metal Materials, Northwest Institute for Non-ferrous Metal Research, Xi'an, 710016, People's Republic of China
| | - Xinhong Lin
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Huijie Leng
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Jian Li
- Beijing AKEC Medical Company Ltd., Beijing, 102200, People's Republic of China
| | - Xinyu Li
- Beijing AKEC Medical Company Ltd., Beijing, 102200, People's Republic of China
| | - Caimei Wang
- Beijing AKEC Medical Company Ltd., Beijing, 102200, People's Republic of China
| | - Yun Tian
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
| | - Zhongjun Liu
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, People's Republic of China
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25
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Zhang G, Zhao P, Lin L, Qin L, Huan Z, Leeflang S, Zadpoor AA, Zhou J, Wu L. Surface-treated 3D printed Ti-6Al-4V scaffolds with enhanced bone regeneration performance: an in vivo study. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:39. [PMID: 33553332 PMCID: PMC7859759 DOI: 10.21037/atm-20-3829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background Given their highly adjustable and predictable properties, three-dimensional(3D) printed geometrically ordered porous biomaterials offer unique opportunities as orthopedic implants. The performance of such biomaterials is, however, as much a result of the surface properties of the struts as it is of the 3D porous structure. In our previous study, we have investigated the in vitro performances of selective laser melted (SLM) Ti-6Al-4V scaffolds which are surface modified by the bioactive glass (BG) and mesoporous bioactive glass (MBG), respectively. The results demonstrated that such modification enhanced the attachment, proliferation, and differentiation of human bone marrow stromal cells (hBMSC). Here, we take the next step by assessing the therapeutic potential of 3D printed Ti-6Al-4V scaffolds with BG and MBG surface modifications for bone regeneration in a rabbit bone defect model. Methods 3D printed Ti-6Al-4V scaffolds with BG and MBG surface modifications were implanted into the femoral condyle of the rabbits, the Ti-6Al-4V scaffolds without surface modification were used as the control. At week 3, 6, and 9 after the implantation, micro-computed tomography (micro-CT) imaging, fluorescence double-labeling to determine the mineral apposition rate (MAR), and histological analysis of non-decalcified sections were performed. Results We found significantly higher volumes of regenerated bone, significantly higher values of the relevant bone morphometric parameters, clear signs of bone matrix apposition and maturation, and the evidence of progressed angiogenesis and blood vessel formation in the groups where the bioactive glass was added as a coating, particularly the MGB group. Conclusions The MBG coating resulted in enhanced osteoconduction and vascularization in bone defect healing, which was attributed to the release of silicon and calcium ions and the presence of a nano-mesoporous structure on the surface of the MBG specimens.
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Affiliation(s)
- Guangdao Zhang
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
| | - Pengyu Zhao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Lin Lin
- The First People's Hospital of Shenyang, Shenyang, China
| | - Limei Qin
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
| | - Zhiguang Huan
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Sander Leeflang
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Amir A Zadpoor
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Jie Zhou
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Lin Wu
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
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Mallakpour S, Sirous F, Hussain CM. Current achievements in 3D bioprinting technology of chitosan and its hybrids. NEW J CHEM 2021. [DOI: 10.1039/d1nj01497h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Chitosan and its hybrids, as an appropriate bioink in 3D printing technology, for the fabrication of engineered constructions.
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Affiliation(s)
- Shadpour Mallakpour
- Organic Polymer Chemistry Research Laboratory
- Department of Chemistry
- Isfahan University of Technology
- Isfahan
- Islamic Republic of Iran
| | - Fariba Sirous
- Organic Polymer Chemistry Research Laboratory
- Department of Chemistry
- Isfahan University of Technology
- Isfahan
- Islamic Republic of Iran
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Fathi AM, Ahmed MK, Afifi M, Menazea AA, Uskoković V. Taking Hydroxyapatite-Coated Titanium Implants Two Steps Forward: Surface Modification Using Graphene Mesolayers and a Hydroxyapatite-Reinforced Polymeric Scaffold. ACS Biomater Sci Eng 2020; 7:360-372. [DOI: 10.1021/acsbiomaterials.0c01105] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- A. M. Fathi
- Physical Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
| | - M. K. Ahmed
- Department of Physics, Faculty of Science, Suez University, Suez 43518, Egypt
- Egypt Nanotechnology Center (EGNC), Cairo University, El-Sheikh Zayed 12588, Egypt
| | - M. Afifi
- Egypt Nanotechnology Center (EGNC), Cairo University, El-Sheikh Zayed 12588, Egypt
- Ultrasonic laboratory, National Institute of Standards, Giza 12211, Egypt
| | - A. A. Menazea
- Laser Technology Unit, National Research Centre, Dokki, Giza 12622, Egypt
- Spectroscopy Department, Physics Division, National Research Centre, Dokki, Giza 12622, Egypt
| | - Vuk Uskoković
- Advanced Materials and Nanobiotechnology Laboratory, TardigradeNano, Irvine, California 92604, United States
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Durga Prasad Reddy R, Sharma V. Additive manufacturing in drug delivery applications: A review. Int J Pharm 2020; 589:119820. [DOI: 10.1016/j.ijpharm.2020.119820] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/20/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022]
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Kheiri Mollaqasem V, Asefnejad A, Nourani MR, Goodarzi V, Kalaee MR. Incorporation of graphene oxide and calcium phosphate in the PCL/PHBV core‐shell nanofibers as bone tissue scaffold. J Appl Polym Sci 2020. [DOI: 10.1002/app.49797] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Vahid Kheiri Mollaqasem
- Department of Biomedical Engineering, South Tehran Branch Islamic Azad University Tehran Iran
| | - Azadeh Asefnejad
- Department of Biomedical Engineering, Science and Research Branch Islamic Azad University Tehran Iran
| | - Mohammad Reza Nourani
- Tissue Engineering Division, Nanobiotechnology Research Center Baqiyatallah University of Medical Sciences Tehran Iran
| | - Vahabodin Goodarzi
- Tissue Engineering Division, Nanobiotechnology Research Center Baqiyatallah University of Medical Sciences Tehran Iran
| | - Mohammad Reza Kalaee
- Department of Chemical and Polymer Engineering, South Tehran Branch Islamic Azad University Tehran Iran
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Assessment of the Release of Vascular Endothelial Growth Factor from 3D-Printed Poly-ε-Caprolactone/Hydroxyapatite/Calcium Sulfate Scaffold with Enhanced Osteogenic Capacity. Polymers (Basel) 2020; 12:polym12071455. [PMID: 32610580 PMCID: PMC7408109 DOI: 10.3390/polym12071455] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/20/2020] [Accepted: 06/23/2020] [Indexed: 12/11/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is one of the most crucial growth factors and an assistant for the adjustment of bone regeneration. In this study, a 3D scaffold is fabricated using the method of fused deposition modeling. Such a fabricated method allows us to fabricate scaffolds with consistent pore sizes, which could promote cellular ingrowth into scaffolds. Therefore, we drafted a plan to accelerate bone regeneration via VEGF released from the hydroxyapatite/calcium sulfate (HACS) scaffold. Herein, HACS will gradually degrade and provide a suitable environment for cell growth and differentiation. In addition, HACS scaffolds have higher mechanical properties and drug release compared with HA scaffolds. The drug release profile of the VEGF-loaded scaffolds showed that VEGF could be loaded and released in a stable manner. Furthermore, initial results showed that VEGF-loaded scaffolds could significantly enhance the proliferation of human mesenchymal stem cells (hMSCs) and human umbilical vein endothelial cells (HUVEC). In addition, angiogenic- and osteogenic-related proteins were substantially increased in the HACS/VEGF group. Moreover, in vivo results revealed that HACS/VEGF improved the regeneration of the rabbit’s femur bone defect, and VEGF loading improved bone tissue regeneration and remineralization after implantation for 8 weeks. All these results strongly imply that the strategy of VEGF loading onto scaffolds could be a potential candidate for future bone tissue engineering.
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Substantial effect of silk fibroin reinforcement on properties of hydroxyapatite/silk fibroin nanocomposite for bone tissue engineering application. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127739] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Enhanced Proliferation and Differentiation of Human Mesenchymal Stem Cell-laden Recycled Fish Gelatin/Strontium Substitution Calcium Silicate 3D Scaffolds. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10062168] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cell-encapsulated bioscaffold is a promising and novel method to allow fabrication of live functional organs for tissue engineering and regenerative medicine. However, traditional fabrication methods of 3D scaffolds and cell-laden hydrogels still face many difficulties and challenges. This study uses a newer 3D fabrication technique and the concept of recycling of an unutilized resource to fabricate a novel scaffold for bone tissue engineering. In this study, fish-extracted gelatin was incorporated with bioactive ceramic for bone tissue engineering, and with this we successfully fabricated a novel fish gelatin methacrylate (FG) polymer hydrogel mixed with strontium-doped calcium silicate powder (FGSr) 3D scaffold via photo-crosslinking. Our results indicated that the tensile strength of FGSr was almost 2.5-fold higher as compared to FG thus making it a better candidate for future clinical applications. The in-vitro assays illustrated that the FGSr scaffolds showed good biocompatibility with human Wharton jelly-derived mesenchymal stem cells (WJMSC), as well as enhancing the osteogenesis differentiation of WJMSC. The WJMSC-laden FGSr 3D scaffolds expressed a higher degree of alkaline phosphatase activity than those on cell-laden FG 3D scaffolds and this result was further proven with the subsequent calcium deposition results. Therefore, these results showed that 3D-printed cell-laden FGSr scaffolds had enhanced mechanical property and osteogenic-related behavior that made for a more suitable candidate for future clinical applications.
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Zhong W, Li J, Hu C, Quan Z, Jiang D, Huang G, Wang Z. 3D-printed titanium implant-coated polydopamine for repairing femoral condyle defects in rabbits. J Orthop Surg Res 2020; 15:102. [PMID: 32160924 PMCID: PMC7065349 DOI: 10.1186/s13018-020-01593-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 02/13/2020] [Indexed: 02/08/2023] Open
Abstract
Background Large segmental bone defects are still one of the challenges for orthopaedic surgeons. Although 3D-printed porous titanium is a potential bone substitute material because of its porous structure simulating natural bone, the titanium surface has low bioactivity, integrates with bone tissue through the simple mechanical interlock. The study aims to investigate the capability and osteogenesis of 3D-printed porous titanium (3D PPT)-coated polydopamine (PDA) for repairing bone defects. Methods Fifteen 6-month New Zealand white rabbits were implanted with PDA-3D PPT to repair 6 mm × 10 mm defects on the femoral condyle compared with the group of 3D PPT and comparing with the blank group. After 6 weeks and 12 weeks, micro-CT and histological examination were performed to observe bone growth. Results All the PDA-3D PPT group, the 3D PPT group and the blank group recovered in good condition. The images showed that the boundaries between the implant area and the surrounding area were obscure in the three groups. The results of micro-CT demonstrated that at 6 weeks and 12 weeks, the bone volume (BV) values of PDA-3D PPT implants group were significantly higher than those of the 3D PPT implants group and blank group (P < 0.05), the BV/tissue volume (TV) and the trabecular number (Tb.N) of PDA-3D PPT implants were significantly higher than those of the 3D PPT group and blank group (P < 0.05). The results of un-decalcified bone slicing showed that ore new bone appeared to form around the PDA-3D PPT than that of 3D PPT and blank group. The bone-implant contact (BIC) of PDA-3D PPT was better (P < 0.05) than that of 3D PPT group. Conclusion PDA-3D PPT could improve the bioactivity and promote the growth and healing of bone tissue and can be a promising repairing material.
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Affiliation(s)
- Weiyang Zhong
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Jianxiao Li
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Chenbo Hu
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Zhengxue Quan
- Department of Orthopedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Dianming Jiang
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 400042, China.
| | - Guangbin Huang
- Department of Trauma Surgery, Emergency Medical Center of Chongqing, The Affiliated Central Hospital of Chongqing University, Chongqing, 400014, China
| | - Zhigang Wang
- Institute of Ultrasound Imaging, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
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Zhou X, Zhang D, Wang M, Zhang D, Xu Y. Three-Dimensional Printed Titanium Scaffolds Enhance Osteogenic Differentiation and New Bone Formation by Cultured Adipose Tissue-Derived Stem Cells Through the IGF-1R/AKT/Mammalian Target of Rapamycin Complex 1 (mTORC1) Pathway. Med Sci Monit 2019; 25:8043-8054. [PMID: 31655847 PMCID: PMC6833923 DOI: 10.12659/msm.918517] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background This study aimed to investigate the effects of three-dimensional (3D) printed titanium (3DTi) scaffolds on osteogenic differentiation and new bone formation by 3D cultured adipose tissue-derived stem cells (ADSCs) in vitro, and the effects of bone regeneration in vivo using a full-thickness mandibular defect rat model, and the mechanisms involved. Material/Methods Alpha-beta titanium alloy (Ti6Al4V) 3DTi scaffolds were prepared with Cellmatrix hydrogel and 3D culture medium. ADSCs were impregnated into the 3DTi scaffolds. ADSC viability and proliferation were assessed using the cell counting kit-8 (CCK-8) assay, and alkaline phosphatase (ALP) levels were measured. Real-time polymerase chain reaction (RT-PCR) and Western blot were performed to assess the expression of osteogenesis-related mRNA for RUNX2, OPN, OCN, and IGF-1 genes and proteins. A rat model of full-thickness mandibular defect was evaluated with micro-computed tomography (microCT) scanning, and histochemistry with Alizarin red and von Giesen’s stain were used to evaluate osteogenesis. Results ADSC viability and proliferation were not affected by culture with 3DTi scaffolds. Expression of osteogenesis-related mRNA and proteins for RUNX2, OPN, OCN, and IGF-1, expression of ALP, and histochemical findings showed that the use of 3DTi scaffolds enhanced osteogenic differentiation and new bone formation by ADSCs, with upregulation of components of the IGF-1R/AKT/mTORC1 pathway. Conclusions The 3D culture of ADSCs with 3DTi scaffolds enhanced osteogenic differentiation and new bone formation through the IGF-1R/AKT/mTORC1 pathway. This improved method of osteointegration may have clinical application in the preparation of bone grafts before implantation for improved repair of mandibular bone defects.
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Affiliation(s)
- Xiaoyu Zhou
- Department of Stomatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China (mainland)
| | - Dongjie Zhang
- Department of Stomatology, Guangzhou Women and Children's Medical Center, Guangzhou, Guangdong, China (mainland)
| | - Mengling Wang
- Department of Stomatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China (mainland)
| | - Ding Zhang
- Department of Stomatology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China (mainland)
| | - Yisheng Xu
- Orthopedics Department, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong, China (mainland)
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Chen YW, Chen CC, Ng HY, Lou CW, Chen YS, Shie MY. Additive Manufacturing of Nerve Decellularized Extracellular Matrix-Contained Polyurethane Conduits for Peripheral Nerve Regeneration. Polymers (Basel) 2019; 11:E1612. [PMID: 31590259 PMCID: PMC6835403 DOI: 10.3390/polym11101612] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 12/29/2022] Open
Abstract
The nervous system is the part of our body that plays critical roles in the coordination of actions and sensory information as well as communication between different body parts through electrical signal transmissions. Current studies have shown that patients are likely to experience a functional loss if they have to go through a nerve repair for >15 mm lesion. The ideal treatment methodology is autologous nerve transplant, but numerous problems lie in this treatment method, such as lack of harvesting sites. Therefore, researchers are attempting to fabricate alternatives for nerve regeneration, and nerve conduit is one of the potential alternatives for nerve regeneration. In this study, we fabricated polyurethane/polydopamine/extracellular matrix (PU/PDA/ECM) nerve conduits using digital light processing (DLP) technology and assessed for its physical properties, biodegradability, cytocompatibility, neural related growth factor, and proteins secretion and expression and its potential in allowing cellular adhesion and proliferation. It was reported that PU/PDA/ECM nerve conduits were more hydrophilic and allowed enhanced cellular adhesion, proliferation, expression, and secretion of neural-related proteins (collagen I and laminin) and also enhanced expression of neurogenic proteins, such as nestin and microtubule-associated protein 2 (MAP2). In addition, PU/PDA/ECM nerve conduits were reported to be non-cytotoxic, had sustained biodegradability, and had similar physical characteristics as PU conduits. Therefore, we believed that PU/PDA/ECM nerve conduits could be a potential candidate for future nerve-related research or clinical applications.
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Affiliation(s)
- Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40447, Taiwan.
- D Printing Medical Research Institute, Asia University, Taichung 40447, Taiwan.
| | - Chien-Chang Chen
- D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Hooi Yee Ng
- D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- School of Medicine, China Medical University, Taichung 40447, Taiwan.
| | - Ching-Wen Lou
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan.
| | - Yueh-Sheng Chen
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan.
- Biomaterials Translational Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- Lab of Biomaterials, School of Chinese Medicine, China Medical University, Taichung 40447, Taiwan.
| | - Ming-You Shie
- D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan.
- School of Dentistry, China Medical University, Taichung 40447, Taiwan.
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Fu S, Du X, Zhu M, Tian Z, Wei D, Zhu Y. 3D printing of layered mesoporous bioactive glass/sodium alginate-sodium alginate scaffolds with controllable dual-drug release behaviors. ACTA ACUST UNITED AC 2019; 14:065011. [PMID: 31484173 DOI: 10.1088/1748-605x/ab4166] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Scaffolds with controlled drug release are valuable for bone tissue engineering, but constructing the scaffolds with controllable dual-drug release behaviors is still a challenge. In this study, layered mesoporous bioactive glass/sodium alginate-sodium alginate (MBG/SA-SA) scaffolds with controllable dual-drug release behaviors were fabricated by 3D printing. The porosity and compressive strength of three-dimensional (3D) printed MBG/SA-SA scaffolds by cross-linking are about 78% and 4.2 MPa, respectively. As two model drugs, bovine serum albumin (BSA) and ibuprofen (IBU) were separately loaded in SA layer and MBG/SA layer, resulting in a relatively fast release of BSA and a sustained release of IBU. Furthermore, layered MBG/SA-SA scaffolds were able to stimulate human bone mesenchymal stem cells (hBMSCs) adhesion, proliferation and osteogenic differentiation than SA scaffolds. Hence, the 3D printed MBG/SA-SA scaffolds would be prospective for the treatment of bone defects.
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Affiliation(s)
- Shengyang Fu
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemical Engineering, Huanggang Normal University, Huanggang, Hubei, 438000, People's Republic of China. School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, People's Republic of China
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Abinaya B, Prasith TP, Ashwin B, Viji Chandran S, Selvamurugan N. Chitosan in Surface Modification for Bone Tissue Engineering Applications. Biotechnol J 2019; 14:e1900171. [DOI: 10.1002/biot.201900171] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 08/30/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Balakrishnan Abinaya
- Department of BiotechnologySchool of BioengineeringSRM Institute of Science and Technology Kattankulathur 603203 Tamil Nadu India
| | - Tandiakkal Prakash Prasith
- Department of BiotechnologySchool of BioengineeringSRM Institute of Science and Technology Kattankulathur 603203 Tamil Nadu India
| | - Badrinath Ashwin
- Department of BiotechnologySchool of BioengineeringSRM Institute of Science and Technology Kattankulathur 603203 Tamil Nadu India
| | - Syamala Viji Chandran
- Department of BiotechnologySchool of BioengineeringSRM Institute of Science and Technology Kattankulathur 603203 Tamil Nadu India
| | - Nagarajan Selvamurugan
- Department of BiotechnologySchool of BioengineeringSRM Institute of Science and Technology Kattankulathur 603203 Tamil Nadu India
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Chiu YC, Shen YF, Lee AKX, Lin SH, Wu YC, Chen YW. 3D Printing of Amino Resin-based Photosensitive Materials on Multi-parameter Optimization Design for Vascular Engineering Applications. Polymers (Basel) 2019; 11:E1394. [PMID: 31450605 PMCID: PMC6780824 DOI: 10.3390/polym11091394] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/18/2019] [Accepted: 08/23/2019] [Indexed: 12/19/2022] Open
Abstract
Cardiovascular diseases are currently the most common cause of death globally and of which, the golden treatment method for severe cardiovascular diseases or coronary artery diseases are implantations of synthetic vascular grafts. However, such grafts often come with rejections and hypersensitivity reactions. With the emergence of regenerative medicine, researchers are now trying to explore alternative ways to produce grafts that are less likely to induce immunological reactions in patients. The main goal of such studies is to produce biocompatible artificial vascular grafts with the capability of allowing cellular adhesion and cellular proliferation for tissues regeneration. The Design of Experimental concepts is employed into the manufacturing process of digital light processing (DLP) 3D printing technology to explore near-optimal processing parameters to produce artificial vascular grafts with vascular characteristics that are close to native vessels by assessing for the cause and effect relationships between different ratios of amino resin (AR), 2-hydroxyethyl methacrylate (HEMA), dopamine, and curing durations. We found that with proper optimization of fabrication procedures and ratios of materials, we are able to successfully fabricate vascular grafts with good printing resolutions. These had similar physical properties to native vessels and were able to support cellular adhesion and proliferation. This study could support future studies in exploring near-optimal processes for fabrication of artificial vascular grafts that could be adapted into clinical applications.
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Affiliation(s)
- Yung-Cheng Chiu
- School of Medicine, China Medical University, Taichung 40447, Taiwan
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung 40447, Taiwan
| | - Yu-Fang Shen
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan
- 3D Printing Medical Research Institute, Asia University, Taichung 40447, Taiwan
| | - Alvin Kai-Xing Lee
- School of Medicine, China Medical University, Taichung 40447, Taiwan
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan
| | - Shu-Hsien Lin
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan
| | - Yu-Chen Wu
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan
| | - Yi-Wen Chen
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40447, Taiwan.
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Lin Z, Wu T, Wang W, Li B, Wang M, Chen L, Xia H, Zhang T. Biofunctions of antimicrobial peptide-conjugated alginate/hyaluronic acid/collagen wound dressings promote wound healing of a mixed-bacteria-infected wound. Int J Biol Macromol 2019; 140:330-342. [PMID: 31421174 DOI: 10.1016/j.ijbiomac.2019.08.087] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/01/2019] [Accepted: 08/09/2019] [Indexed: 12/22/2022]
Abstract
The increase in severe infections caused by antibiotic drug resistance and the decrease in the number of new antibacterial drugs approved for use in the last few decades are driving the need for the development of new antimicrobial strategies. Antimicrobial peptides (AMPs) are a potential new class of antimicrobial drugs that are expected to solve the problem of global antibiotic drug resistance. Herein, the AMP Tet213 was immobilised onto the substrates of alginate (ALG), hyaluronic acid (HA), and collagen (COL) to form the ALG/HA/COL-AMP wound dressing. This wound dressing exhibited a high degree of swelling and the appropriate porosity, mechanical properties, and biodegradability. The Tet213-immobilised ALG/HA/COL dressings exhibited antimicrobial activity against three pathogenic bacterial strains (Gram-negative E. coli and Gram-positive MRSA and S. aureus) and facilitated the proliferation of NIH 3T3 fibroblast cells. In addition, the ALG/HA/COL-AMP antimicrobial dressings promoted wound healing, re-epithelialisation, collagen deposition, and angiogenesis. Moreover, the wound-healing effects of ALG/HA/COL-AMP surpassed the gauze and ALG/HA/COL compared to commercially available silver-based dressings (Aguacel Ag). These results suggest that the Tet213-conjugated ALG/HA/COL wound dressing, with its multiple biological activities, is a promising wound-dressing material.
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Affiliation(s)
- Zefeng Lin
- Department of Orthopedics, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, Guangzhou 510010, China
| | - Tingting Wu
- Institute of Orthopedic Diseases and Center for Joint Surgery and Sports Medicine, the First Affiliated Hospital, Jinan University, Guangzhou 510632, China
| | - Wanshun Wang
- Guangzhou University of Chinese Medicine, Guangzhou 510010, China
| | - Binglin Li
- The First School of Clinical Medicine, Southern Medical University, 510515, China
| | - Ming Wang
- The First School of Clinical Medicine, Southern Medical University, 510515, China
| | - Lingling Chen
- Department of Orthopedics, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China; The First School of Clinical Medicine, Southern Medical University, 510515, China
| | - Hong Xia
- Department of Orthopedics, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, Guangzhou 510010, China.
| | - Tao Zhang
- Department of Orthopedics, General Hospital of Southern Theater Command of PLA, Guangzhou 510010, China; Guangdong Key Lab of Orthopedic Technology and Implant Materials, Guangzhou 510010, China.
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Shie MY, Fang HY, Lin YH, Lee AKX, Yu J, Chen YW. Application of piezoelectric cells printing on three-dimensional porous bioceramic scaffold for bone regeneration. Int J Bioprint 2019; 5:210. [PMID: 32596544 PMCID: PMC7310268 DOI: 10.18063/ijb.v5i2.1.210] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 05/23/2019] [Indexed: 12/12/2022] Open
Abstract
In recent years, the additive manufacture was popularly used in tissue engineering, as the various technologies for this field of research can be used. The most common method is extrusion, which is commonly used in many bioprinting applications, such as skin. In this study, we combined the two printing techniques; first, we use the extrusion technology to form the ceramic scaffold. Then, the stem cells were printed directly on the surface of the ceramic scaffold through a piezoelectric nozzle. We also evaluated the effects of polydopamine (PDA)-coated ceramic scaffolds for cell attachment after printing on the surface of the scaffold. In addition, we used fluorescein isothiocyanate to simulate the cell adhered on the scaffold surface after ejected by a piezoelectric nozzle. Finally, the attachment, growth, and differentiation behaviors of stem cell after printing on calcium silicate/polycaprolactone (CS/PCL) and PDACS/PCL surfaces were also evaluated. The PDACS/PCL scaffold is more hydrophilic than the original CS/PCL scaffold that provided for better cellular adhesion and proliferation. Moreover, the cell printing technology using the piezoelectric nozzle, the different cells can be accurately printed on the surface of the scaffold that provided and analyzed more information of the interaction between different cells on the material. We believe that this method may serve as a useful and effective approach for the regeneration of defective complex hard tissues in deep bone structures.
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Affiliation(s)
- Ming-You Shie
- School of Dentistry, China Medical University, Taichung City, Taiwan
- Three-dimensional Printing Medical Research Center, China Medical University Hospital, Taichung, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung City, Taiwan
| | - Hsin-Yuan Fang
- School of Medicine, China Medical University, Taichung City, Taiwan
| | - Yen-Hong Lin
- Three-dimensional Printing Medical Research Center, China Medical University Hospital, Taichung, Taiwan
- The Ph.D. Program for Medical Engineering and Rehabilitation Science, China Medical University, Taichung, Taiwan
| | - Alvin Kai-Xing Lee
- Three-dimensional Printing Medical Research Center, China Medical University Hospital, Taichung, Taiwan
- School of Medicine, China Medical University, Taichung City, Taiwan
| | - Joyce Yu
- Three-dimensional Printing Medical Research Center, China Medical University Hospital, Taichung, Taiwan
- School of Medicine, China Medical University, Taichung City, Taiwan
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City, Taiwan
- Three-dimensional Printing Medical Research Institute, Asia University, Taichung City, Taiwan
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Lin YH, Chuang TY, Chiang WH, Chen IWP, Wang K, Shie MY, Chen YW. The synergistic effects of graphene-contained 3D-printed calcium silicate/poly-ε-caprolactone scaffolds promote FGFR-induced osteogenic/angiogenic differentiation of mesenchymal stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109887. [PMID: 31500024 DOI: 10.1016/j.msec.2019.109887] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/15/2019] [Accepted: 06/11/2019] [Indexed: 01/01/2023]
Abstract
Graphene-contained calcium silicate (CS)/polycaprolactone (PCL) scaffold (GCP) provides an alternative solution that can bring several bone formation properties, such as osteoinductive. This study finds out the optimal percentage of graphene additive to calcium silicate and polycaprolactone mixture for excellent in vitro and in vivo bone-regeneration ability, in addition, this scaffold could fabricate by 3D printing technology and demonstrates distinct mechanical, degradation, and biological behavior. With controlled structure and porosity by 3D printing, osteogenesis and proliferation capabilities of Wharton's Jelly derived mesenchymal stem cells (WJMSCs) were significantly enhanced when cultured on 3D printed GCP scaffolds. In this study, it was also discovered that fibroblast growth factor receptor (FGFR) plays an active role in modulating differentiation behavior of WJMSCs cultured on GCP scaffolds. The validation has been proved by analyzed the decreased cell proliferation, osteogenic-related protein (ALP and OC), and angiogenic-related protein (VEGF and vWF) with FGFR knockdown on all experimental groups. Moreover, this study infers that the GCP scaffold could induce the effects of proliferation, differentiation and related protein expression on WJMSCs through FGFR pathway. In summary, this research indicated the 3D-printed GCP scaffolds own the dual bioactivities to reach the osteogenesis and vascularization for bone regeneration.
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Affiliation(s)
- Yen-Hong Lin
- The Ph.D. Program for Medical Engineering and Rehabilitation Science, China Medical University, Taichung City, Taiwan; 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan
| | - Tsan-Yu Chuang
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei City, Taiwan
| | - I-Wen Peter Chen
- Department of Applied Science, National Taitung University, Taitung City, Taiwan
| | - Kan Wang
- Georgia Tech Manufacturing Institute, Georgia Institute of Technology, Atlanta, GA, USA
| | - Ming-You Shie
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung City, Taiwan; School of Dentistry, China Medical University, Taichung City, Taiwan; Department of Bioinformatics and Medical Engineering, Asia University, Taichung City, Taiwan
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City, Taiwan; 3D Printing Medical Research Institute, Asia University, Taichung City, Taiwan.
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42
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Chiu YC, Shie MY, Lin YH, Lee AKX, Chen YW. Effect of Strontium Substitution on the Physicochemical Properties and Bone Regeneration Potential of 3D Printed Calcium Silicate Scaffolds. Int J Mol Sci 2019; 20:E2729. [PMID: 31163656 PMCID: PMC6600364 DOI: 10.3390/ijms20112729] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/02/2019] [Accepted: 06/02/2019] [Indexed: 12/18/2022] Open
Abstract
In this study, we synthesized strontium-contained calcium silicate (SrCS) powder and fabricated SrCS scaffolds with controlled precise structures using 3D printing techniques. SrCS scaffolds were shown to possess increased mechanical properties as compared to calcium silicate (CS) scaffolds. Our results showed that SrCS scaffolds had uniform interconnected macropores (~500 µm) with a compressive strength 2-times higher than that of CS scaffolds. The biological behaviors of SrCS scaffolds were assessed using the following characteristics: apatite-precipitating ability, cytocompatibility, proliferation, and osteogenic differentiation of human mesenchymal stem cells (MSCs). With CS scaffolds as controls, our results indicated that SrCS scaffolds demonstrated good apatite-forming bioactivity with sustained release of Si and Sr ions. The in vitro tests demonstrated that SrCS scaffolds possessed excellent biocompatibility which in turn stimulated adhesion, proliferation, and differentiation of MSCs. In addition, the SrCS scaffolds were able to enhance MSCs synthesis of osteoprotegerin (OPG) and suppress macrophage colony-stimulating factor (M-CSF) thus disrupting normal bone homeostasis which led to enhanced bone formation over bone resorption. Implanted SrCS scaffolds were able to promote new blood vessel growth and new bone regeneration within 4 weeks after implantation in critical-sized rabbit femur defects. Therefore, it was shown that 3D printed SrCS scaffolds with specific controllable structures can be fabricated and SrCS scaffolds had enhanced mechanical property and osteogenesis behavior which makes it a suitable potential candidate for bone regeneration.
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Affiliation(s)
- Yung-Cheng Chiu
- School of Medicine, China Medical University, Taichung 40447, Taiwan.
- Department of Orthopedic Surgery, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Ming-You Shie
- School of Dentistry, China Medical University, Taichung 40447, Taiwan.
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan.
| | - Yen-Hong Lin
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- The Ph.D. Program for Medical Engineering and Rehabilitation Science, China Medical University, Taichung 40447, Taiwan.
| | - Alvin Kai-Xing Lee
- School of Medicine, China Medical University, Taichung 40447, Taiwan.
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40447, Taiwan.
- 3D Printing Medical Research Institute, Asia University, Taichung 40447, Taiwan.
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43
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Effects of Electropolishing on Mechanical Properties and Bio-Corrosion of Ti6Al4V Fabricated by Electron Beam Melting Additive Manufacturing. MATERIALS 2019; 12:ma12091466. [PMID: 31067651 PMCID: PMC6539358 DOI: 10.3390/ma12091466] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/03/2019] [Accepted: 05/05/2019] [Indexed: 11/17/2022]
Abstract
Electron beam melting (EBM) has become one of the most promising additive manufacturing (AM) technologies. However, EBM tends to result in products with rougher surfaces due to the melt pool which causes adjacent powder particles to be sintered to the surface without being melted. Hence, it is necessary to improve the surface quality by post processing. The current study evaluates the tensile response of Ti6Al4V EBMed samples subject to various electropolishing (EP) treatments. The surface roughness Ra readings can be improved from over 24 µm down to about 4.5 µm by proper EP, resulting in apparent tensile elongation improvement from 7.6% to 11.6%, or a tensile plasticity increment of 53%, without any loss of elastic modulus or tensile strength. Moreover, the in-vitro bio-corrosion test in simulating body fluid (SBF) of the as-EBMed and EP-processed samples is also conducted. The potentiodynamic polarization reveals that the bio-corrosion resistance is improved by the lower Ra through proper EP treatments. This is due to the formation of a denser and more completely passivated oxide layer with less defects after proper EP duration. But when the EBMed samples are over-electropolished, nano pitting would induce a degraded bio-corrosion performance.
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Wu YHA, Chiu YC, Lin YH, Ho CC, Shie MY, Chen YW. 3D-Printed Bioactive Calcium Silicate/Poly-ε-Caprolactone Bioscaffolds Modified with Biomimetic Extracellular Matrices for Bone Regeneration. Int J Mol Sci 2019; 20:E942. [PMID: 30795573 PMCID: PMC6413038 DOI: 10.3390/ijms20040942] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 02/19/2019] [Accepted: 02/19/2019] [Indexed: 12/28/2022] Open
Abstract
Currently, clinically available orthopedic implants are extremely biocompatible but they lack specific biological characteristics that allow for further interaction with surrounding tissues. The extracellular matrix (ECM)-coated scaffolds have received considerable interest for bone regeneration due to their ability in upregulating regenerative cellular behaviors. This study delves into the designing and fabrication of three-dimensional (3D)-printed scaffolds that were made out of calcium silicate (CS), polycaprolactone (PCL), and decellularized ECM (dECM) from MG63 cells, generating a promising bone tissue engineering strategy that revolves around the concept of enhancing osteogenesis by creating an osteoinductive microenvironment with osteogenesis-promoting dECM. We cultured MG63 on scaffolds to obtain a dECM-coated CS/PCL scaffold and further studied the biological performance of the dECM hybrid scaffolds. The results indicated that the dECM-coated CS/PCL scaffolds exhibited excellent biocompatibility and effectively enhanced cellular adhesion, proliferation, and differentiation of human Wharton's Jelly mesenchymal stem cells by increasing the expression of osteogenic-related genes. They also presented anti-inflammatory characteristics by showing a decrease in the expression of tumor necrosis factor-alpha (TNF-α) and interleukin-1 (IL-1). Histological analysis of in vivo experiments presented excellent bone regenerative capabilities of the dECM-coated scaffold. Overall, our work presented a promising technique for producing bioscaffolds that can augment bone tissue regeneration in numerous aspects.
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Affiliation(s)
- Yuan-Haw Andrew Wu
- School of Medicine, China Medical University, Taichung 40447, Taiwan.
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Yung-Cheng Chiu
- School of Medicine, China Medical University, Taichung 40447, Taiwan.
- Department of Orthopedics, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Yen-Hong Lin
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- The Ph.D. Program for Medical Engineering and Rehabilitation Science, China Medical University, Taichung 40447, Taiwan.
| | - Chia-Che Ho
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
| | - Ming-You Shie
- 3D Printing Medical Research Center, China Medical University Hospital, Taichung 40447, Taiwan.
- School of Dentistry, China Medical University, Taichung 40447, Taiwan.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung 40447, Taiwan.
| | - Yi-Wen Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40447, Taiwan.
- 3D Printing Medical Research Institute, Asia University, Taichung 40447, Taiwan.
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