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Rossi A, Pescara T, Gambelli AM, Gaggia F, Asthana A, Perrier Q, Basta G, Moretti M, Senin N, Rossi F, Orlando G, Calafiore R. Biomaterials for extrusion-based bioprinting and biomedical applications. Front Bioeng Biotechnol 2024; 12:1393641. [PMID: 38974655 PMCID: PMC11225062 DOI: 10.3389/fbioe.2024.1393641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/31/2024] [Indexed: 07/09/2024] Open
Abstract
Amongst the range of bioprinting technologies currently available, bioprinting by material extrusion is gaining increasing popularity due to accessibility, low cost, and the absence of energy sources, such as lasers, which may significantly damage the cells. New applications of extrusion-based bioprinting are systematically emerging in the biomedical field in relation to tissue and organ fabrication. Extrusion-based bioprinting presents a series of specific challenges in relation to achievable resolutions, accuracy and speed. Resolution and accuracy in particular are of paramount importance for the realization of microstructures (for example, vascularization) within tissues and organs. Another major theme of research is cell survival and functional preservation, as extruded bioinks have cells subjected to considerable shear stresses as they travel through the extrusion apparatus. Here, an overview of the main available extrusion-based printing technologies and related families of bioprinting materials (bioinks) is provided. The main challenges related to achieving resolution and accuracy whilst assuring cell viability and function are discussed in relation to specific application contexts in the field of tissue and organ fabrication.
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Affiliation(s)
- Arianna Rossi
- Smart Manufacturing Laboratory, Engineering Department, University of Perugia, Perugia, Italy
| | - Teresa Pescara
- Laboratory for Endocrine Cell Transplant and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Alberto Maria Gambelli
- Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy
| | - Francesco Gaggia
- Laboratory for Endocrine Cell Transplant and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Amish Asthana
- Wake Forest School of Medicine, Winston Salem, NC, United States
| | - Quentin Perrier
- Wake Forest School of Medicine, Winston Salem, NC, United States
| | - Giuseppe Basta
- Laboratory for Endocrine Cell Transplant and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Michele Moretti
- Smart Manufacturing Laboratory, Engineering Department, University of Perugia, Perugia, Italy
| | - Nicola Senin
- Smart Manufacturing Laboratory, Engineering Department, University of Perugia, Perugia, Italy
| | - Federico Rossi
- Engineering Department, University of Perugia, Perugia, Italy
| | - Giuseppe Orlando
- Wake Forest School of Medicine, Winston Salem, NC, United States
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Coppola B, Menotti F, Longo F, Banche G, Mandras N, Palmero P, Allizond V. New Generation of Osteoinductive and Antimicrobial Polycaprolactone-Based Scaffolds in Bone Tissue Engineering: A Review. Polymers (Basel) 2024; 16:1668. [PMID: 38932017 PMCID: PMC11207319 DOI: 10.3390/polym16121668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
With respect to other fields, bone tissue engineering has significantly expanded in recent years, leading not only to relevant advances in biomedical applications but also to innovative perspectives. Polycaprolactone (PCL), produced in the beginning of the 1930s, is a biocompatible and biodegradable polymer. Due to its mechanical and physicochemical features, as well as being easily shapeable, PCL-based constructs can be produced with different shapes and degradation kinetics. Moreover, due to various development processes, PCL can be made as 3D scaffolds or fibres for bone tissue regeneration applications. This outstanding biopolymer is versatile because it can be modified by adding agents with antimicrobial properties, not only antibiotics/antifungals, but also metal ions or natural compounds. In addition, to ameliorate its osteoproliferative features, it can be blended with calcium phosphates. This review is an overview of the current state of our recent investigation into PCL modifications designed to impair microbial adhesive capability and, in parallel, to allow eukaryotic cell viability and integration, in comparison with previous reviews and excellent research papers. Our recent results demonstrated that the developed 3D constructs had a high interconnected porosity, and the addition of biphasic calcium phosphate improved human cell attachment and proliferation. The incorporation of alternative antimicrobials-for instance, silver and essential oils-at tuneable concentrations counteracted microbial growth and biofilm formation, without affecting eukaryotic cells' viability. Notably, this challenging research area needs the multidisciplinary work of material scientists, biologists, and orthopaedic surgeons to determine the most suitable modifications on biomaterials to design favourable 3D scaffolds based on PCL for the targeted healing of damaged bone tissue.
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Affiliation(s)
- Bartolomeo Coppola
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (B.C.); (P.P.)
| | - Francesca Menotti
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (N.M.); (V.A.)
| | - Fabio Longo
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (N.M.); (V.A.)
| | - Giuliana Banche
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (N.M.); (V.A.)
| | - Narcisa Mandras
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (N.M.); (V.A.)
| | - Paola Palmero
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy; (B.C.); (P.P.)
| | - Valeria Allizond
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy; (F.M.); (N.M.); (V.A.)
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Fan B, Yang S, Wang L, Xu M. Spatially Resolved Defect Characterization and Fidelity Assessment for Complex and Arbitrary Irregular 3D Printing Based on 3D P-OCT and GCode. SENSORS (BASEL, SWITZERLAND) 2024; 24:3636. [PMID: 38894427 PMCID: PMC11175316 DOI: 10.3390/s24113636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/23/2024] [Accepted: 06/01/2024] [Indexed: 06/21/2024]
Abstract
To address the challenges associated with achieving high-fidelity printing of complex 3D bionic models, this paper proposes a method for spatially resolved defect characterization and fidelity assessment. This approach is based on 3D printer-associated optical coherence tomography (3D P-OCT) and GCode information. This method generates a defect characterization map by comparing and analyzing the target model map from GCode information and the reconstructed model map from 3D P-OCT. The defect characterization map enables the detection of defects such as material accumulation, filament breakage and under-extrusion within the print path, as well as stringing outside the print path. The defect characterization map is also used for defect visualization, fidelity assessment and filament breakage repair during secondary printing. Finally, the proposed method is validated on different bionic models, printing paths and materials. The fidelity of the multilayer HAP scaffold with gradient spacing increased from 0.8398 to 0.9048 after the repair of filament breakage defects. At the same time, the over-extrusion defects on the nostril and along the high-curvature contours of the nose model were effectively detected. In addition, the finite element analysis results verified that the 60-degree filling model is superior to the 90-degree filling model in terms of mechanical strength, which is consistent with the defect detection results. The results confirm that the proposed method based on 3D P-OCT and GCode can achieve spatially resolved defect characterization and fidelity assessment in situ, facilitating defect visualization and filament breakage repair. Ultimately, this enables high-fidelity printing, encompassing both shape and function.
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Affiliation(s)
- Bowen Fan
- School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China; (B.F.); (M.X.)
| | - Shanshan Yang
- School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China; (B.F.); (M.X.)
- Zhejiang Provincial Key Laboratory of Medical Information and Biological 3D Printing, Hangzhou 310018, China
| | - Ling Wang
- School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China; (B.F.); (M.X.)
- Zhejiang Provincial Key Laboratory of Medical Information and Biological 3D Printing, Hangzhou 310018, China
| | - Mingen Xu
- School of Automation, Hangzhou Dianzi University, Hangzhou 310018, China; (B.F.); (M.X.)
- Zhejiang Provincial Key Laboratory of Medical Information and Biological 3D Printing, Hangzhou 310018, China
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Codrea CI, Lincu D, Ene VL, Nicoară AI, Stan MS, Ficai D, Ficai A. Three-Dimensional-Printed Composite Scaffolds Containing Poly-ε-Caprolactone and Strontium-Doped Hydroxyapatite for Osteoporotic Bone Restoration. Polymers (Basel) 2024; 16:1511. [PMID: 38891458 PMCID: PMC11174839 DOI: 10.3390/polym16111511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
A challenge in tissue engineering and the pharmaceutical sector is the development of controlled local release of drugs that raise issues when systemic administration is applied. Strontium is an example of an effective anti-osteoporotic agent, used in treating osteoporosis due to both anti-resorptive and anabolic mechanisms of action. Designing bone scaffolds with a higher capability of promoting bone regeneration is a topical research subject. In this study, we developed composite multi-layer three-dimensional (3D) scaffolds for bone tissue engineering based on nano-hydroxyapatite (HA), Sr-containing nano-hydroxyapatite (SrHA), and poly-ε-caprolactone (PCL) through the material extrusion fabrication technique. Previously obtained HA and SrHA with various Sr content were used for the composite material. The chemical, morphological, and biocompatibility properties of the 3D-printed scaffolds obtained using HA/SrHA and PCL were investigated. The 3D composite scaffolds showed good cytocompatibility and osteogenic potential, which is specifically recommended in applications when faster mineralization is needed, such as osteoporosis treatment.
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Affiliation(s)
- Cosmin Iulian Codrea
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 060021 Bucharest, Romania
| | - Daniel Lincu
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- Institute of Physical Chemistry “Ilie Murgulescu” of the Romanian Academy, 060021 Bucharest, Romania
| | - Vladimir Lucian Ene
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- National Research Center for Micro and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- National Centre for Food Safety, National University of Science and Technology Politehnica Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Adrian Ionuț Nicoară
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- National Research Center for Micro and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- National Centre for Food Safety, National University of Science and Technology Politehnica Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Miruna Silvia Stan
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, Splaiul Independentei 91-95, 050095 Bucharest, Romania;
| | - Denisa Ficai
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- National Research Center for Micro and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- National Centre for Food Safety, National University of Science and Technology Politehnica Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Anton Ficai
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, 060042 Bucharest, Romania; (C.I.C.); (D.L.); (A.I.N.); (D.F.); (A.F.)
- National Research Center for Micro and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- National Centre for Food Safety, National University of Science and Technology Politehnica Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
- The Academy of Romanian Scientists, Ilfov St. 3, 050044 Bucharest, Romania
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Naik SS, Torris A, Choudhury NR, Dutta NK, Sukumaran Nair K. Biodegradable and 3D printable lysine functionalized polycaprolactone scaffolds for tissue engineering applications. BIOMATERIALS ADVANCES 2024; 159:213816. [PMID: 38430722 DOI: 10.1016/j.bioadv.2024.213816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 02/19/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Tissue engineering (TE) has sparked interest in creating scaffolds with customizable properties and functional bioactive sites. However, due to limitations in medical practices and manufacturing technologies, it is challenging to replicate complex porous frameworks with appropriate architectures and bioactivity in vitro. To address these challenges, herein, we present a green approach that involves the amino acid (l-lysine) initiated polymerization of ɛ-caprolactone (CL) to produce modified polycaprolactone (PCL) with favorable active sites for TE applications. Further, to better understand the effect of morphology and porosity on cell attachment and proliferation, scaffolds of different geometries with uniform and interconnected pores are designed and fabricated, and their properties are evaluated in comparison with commercial PCL. The scaffold morphology and complex internal micro-architecture are imaged by micro-computed tomography (micro-CT), revealing pore size in the range of ~300-900 μm and porosity ranging from 30 to 70 %, while based on the geometry of scaffolds the compressive strength varied from 143 ± 19 to 214 ± 10 MPa. Additionally, the degradation profiles of fabricated scaffolds are found to be influenced by both the chemical nature and product design, where Lys-PCL-based scaffolds with better porosity and lower crystallinity degraded faster than commercial PCL scaffolds. According to in vitro studies, Lys-PCL scaffolds have produced an environment that is better for cell adhesion and proliferation. Moreover, the scaffold design affects the way cells interact; Lys-PCL with zigzag geometry has demonstrated superior in vitro vitality (>90 %) and proliferation in comparison to other designs. This study emphasizes the importance of enhancing bioactivity while meeting morphology and porosity requirements in the design of scaffolds for tissue engineering applications.
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Affiliation(s)
- Sonali S Naik
- Polymer Science and Engineering, CSIR-National Chemical Laboratory, Pune-411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India; School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Arun Torris
- Polymer Science and Engineering, CSIR-National Chemical Laboratory, Pune-411008, India
| | | | - Naba K Dutta
- School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Kiran Sukumaran Nair
- Polymer Science and Engineering, CSIR-National Chemical Laboratory, Pune-411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
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6
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Menotti F, Scutera S, Maniscalco E, Coppola B, Bondi A, Costa C, Longo F, Mandras N, Pagano C, Cavallo L, Banche G, Malandrino M, Palmero P, Allizond V. Is Silver Addition to Scaffolds Based on Polycaprolactone Blended with Calcium Phosphates Able to Inhibit Candida albicans and Candida auris Adhesion and Biofilm Formation? Int J Mol Sci 2024; 25:2784. [PMID: 38474027 DOI: 10.3390/ijms25052784] [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: 01/29/2024] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Candida spp. periprosthetic joint infections are rare but difficult-to-treat events, with a slow onset, unspecific symptoms or signs, and a significant relapse risk. Treatment with antifungals meets with little success, whereas prosthesis removal improves the outcome. In fact, Candida spp. adhere to orthopedic devices and grow forming biofilms that contribute to the persistence of this infection and relapse, and there is insufficient evidence that the use of antifungals has additional benefits for anti-biofilm activity. To date, studies on the direct antifungal activity of silver against Candida spp. are still scanty. Additionally, polycaprolactone (PCL), either pure or blended with calcium phosphate, could be a good candidate for the design of 3D scaffolds as engineered bone graft substitutes. Thus, the present research aimed to assess the antifungal and anti-biofilm activity of PCL-based constructs by the addition of antimicrobials, for instance, silver, against C. albicans and C. auris. The appearance of an inhibition halo around silver-functionalized PCL scaffolds for both C. albicans and C. auris was revealed, and a significant decrease in both adherent and planktonic yeasts further demonstrated the release of Ag+ from the 3D constructs. Due to the combined antifungal, osteoproliferative, and biodegradable properties, PCL-based 3D scaffolds enriched with silver showed good potential for bone tissue engineering and offer a promising strategy as an ideal anti-adhesive and anti-biofilm tool for the reduction in prosthetic joints of infections caused by Candida spp. by using antimicrobial molecule-targeted delivery.
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Affiliation(s)
- Francesca Menotti
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Sara Scutera
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Eleonora Maniscalco
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Bartolomeo Coppola
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy
| | - Alessandro Bondi
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Cristina Costa
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Fabio Longo
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Narcisa Mandras
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Claudia Pagano
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Lorenza Cavallo
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Giuliana Banche
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
| | - Mery Malandrino
- Department of Chemistry, NIS Interdepartmental Centre, University of Torino, 10125 Turin, Italy
| | - Paola Palmero
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy
| | - Valeria Allizond
- Department of Public Health and Pediatrics, University of Torino, 10126 Turin, Italy
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7
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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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8
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Lazarus E, Meyer AS, Ikuma K, Rivero IV. Three dimensional printed biofilms: Fabrication, design and future biomedical and environmental applications. Microb Biotechnol 2024; 17:e14360. [PMID: 38041693 PMCID: PMC10832517 DOI: 10.1111/1751-7915.14360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/02/2023] [Accepted: 10/11/2023] [Indexed: 12/03/2023] Open
Abstract
Three dimensional printing has emerged as a widely acceptable strategy for the fabrication of mammalian cell laden constructs with complex microenvironments for tissue engineering and regenerative medicine. More recently 3D printed living materials containing microorganisms have been developed and matured into living biofilms. The potential for engineered 3D biofilms as in vitro models for biomedical applications, such as antimicrobial susceptibility testing, and environmental applications, such as bioleaching, bioremediation, and wastewater purification, is extensive but the need for an in-depth understanding of the structure-function relationship between the complex construct and the microorganism response still exists. This review discusses 3D printing fabrication methods for engineered biofilms with specific structural features. Next, it highlights the importance of bioink compositions and 3D bioarchitecture design. Finally, a brief overview of current and potential applications of 3D printed biofilms in environmental and biomedical fields is discussed.
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Affiliation(s)
- Emily Lazarus
- Department Industrial and Systems EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
| | - Anne S. Meyer
- Department of BiologyUniversity of RochesterRochesterNew YorkUSA
| | - Kaoru Ikuma
- Department of Civil, Construction, and Environmental EngineeringIowa State UniversityAmesIowaUSA
| | - Iris V. Rivero
- Department Industrial and Systems EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
- Department of Biomedical EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
- Department of Industrial and Systems EngineeringUniversity of FloridaGainesvilleFloridaUSA
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9
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Yaralı Çevik ZB, Karaman O, Topaloğlu N. Investigation of the optimal light parameters for photobiomodulation to induce osteogenic differentiation of the human bone marrow stem cell and human umbilical vein endothelial cell co-culture. Lasers Med Sci 2023; 38:273. [PMID: 37991573 DOI: 10.1007/s10103-023-03941-9] [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: 03/10/2023] [Accepted: 11/16/2023] [Indexed: 11/23/2023]
Abstract
Bones have an important role in the human body with their complex nature. Mesenchymal stem cells and endothelial cells together support their unique and complex nature. Photobiomodulation (PBM) is a promising method that provides cell proliferation, osteogenic differentiation, and bone regeneration. However, there are still unknowns in the mechanism of osteogenic differentiation induced by PBM. The main aim of the study is to understand the molecular mechanism of PBM at 655 and 808 nm of wavelengths and identify the most effective energy densities of both wavelengths for osteogenic differentiation. The effect of PBM on osteogenic differentiation of Human Bone Marrow Stem Cell (hBMSC) and Human Umbilical Vein Endothelial Cell (HUVEC) co-culture was examined at 1, 3, and 5 J/cm2 energy densities of red and near-infrared light through different analysis such as cell viability, scratch assay, intracellular reactive oxygen species production, and ATP synthesis, nitric oxide release, temperature monitoring, and osteogenic differentiation analyses. Even though all PBM-treated groups exhibited better results compared to the control group, 5 J/cm2 energy density induced faster cell proliferation and migration at both wavelengths. The increases in ATP and NO levels as signaling molecules, and the increases in DNA, ALPase, and calcium contents as osteogenic markers were higher in the groups treated with 5 J/cm2 energy density at both wavelengths. Only a slight change was obtained in the level of intracellular ROS after any light applications. It can be concluded that NO release has a very important role together with ATP production in PBM therapy to trigger DNA synthesis, ALPase activity, and mineralization for osteogenic differentiation of the hBMSC and HUVEC co-culture at 655 and 808 nm of wavelengths.
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Affiliation(s)
- Ziyşan Buse Yaralı Çevik
- Biomedical Test Calibration Application and Research Center, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey
- Department of Biomedical Technologies, Graduate School of Natural and Applied Sciences, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey
| | - Ozan Karaman
- Biomedical Test Calibration Application and Research Center, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey
- Department of Biomedical Technologies, Graduate School of Natural and Applied Sciences, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey
- Department of Biomedical Engineering, Faculty of Engineering and Architecture, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey
| | - Nermin Topaloğlu
- Department of Biomedical Engineering, Faculty of Engineering and Architecture, Izmir Katip Celebi University, Çiğli, Izmir, 35620, Turkey.
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10
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Stafin K, Śliwa P, Piątkowski M. Towards Polycaprolactone-Based Scaffolds for Alveolar Bone Tissue Engineering: A Biomimetic Approach in a 3D Printing Technique. Int J Mol Sci 2023; 24:16180. [PMID: 38003368 PMCID: PMC10671727 DOI: 10.3390/ijms242216180] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
The alveolar bone is a unique type of bone, and the goal of bone tissue engineering (BTE) is to develop methods to facilitate its regeneration. Currently, an emerging trend involves the fabrication of polycaprolactone (PCL)-based scaffolds using a three-dimensional (3D) printing technique to enhance an osteoconductive architecture. These scaffolds are further modified with hydroxyapatite (HA), type I collagen (CGI), or chitosan (CS) to impart high osteoinductive potential. In conjunction with cell therapy, these scaffolds may serve as an appealing alternative to bone autografts. This review discusses research gaps in the designing of 3D-printed PCL-based scaffolds from a biomimetic perspective. The article begins with a systematic analysis of biological mineralisation (biomineralisation) and ossification to optimise the scaffold's structural, mechanical, degradation, and surface properties. This scaffold-designing strategy lays the groundwork for developing a research pathway that spans fundamental principles such as molecular dynamics (MD) simulations and fabrication techniques. Ultimately, this paves the way for systematic in vitro and in vivo studies, leading to potential clinical applications.
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Affiliation(s)
- Krzysztof Stafin
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, PL 31-155 Kraków, Poland; (K.S.); (P.Ś.)
- Department of Biotechnology and Physical Chemistry, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, PL 31-155 Kraków, Poland
| | - Paweł Śliwa
- Department of Organic Chemistry and Technology, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, PL 31-155 Kraków, Poland; (K.S.); (P.Ś.)
| | - Marek Piątkowski
- Department of Biotechnology and Physical Chemistry, Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, PL 31-155 Kraków, Poland
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Yazdanpanah Z, Sharma NK, Raquin A, Cooper DML, Chen X, Johnston JD. Printing tissue-engineered scaffolds made of polycaprolactone and nano-hydroxyapatite with mechanical properties appropriate for trabecular bone substitutes. Biomed Eng Online 2023; 22:73. [PMID: 37474951 PMCID: PMC10360269 DOI: 10.1186/s12938-023-01135-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/06/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND Bone tissue engineering, based on three-dimensional (3D) printing technology, has emerged as a promising approach to treat bone defects using scaffolds. The objective of this study was to investigate the influence of porosity and internal structure on the mechanical properties of scaffolds. METHODS We fabricated composite scaffolds (which aimed to replicate trabecular bone) from polycaprolactone (PCL) reinforced with 30% (wt.) nano-hydroxyapatite (nHAp) by extrusion printing. Scaffolds with various porosities were designed and fabricated with and without an interlayer offset, termed as staggered and lattice structure, respectively. Mechanical compressive testing was performed to determine scaffold elastic modulus and yield strength. Linear regression was used to evaluate mechanical properties as a function of scaffold porosity. RESULTS Different relationships between mechanical properties and porosities were noted for the staggered and lattice structures. For elastic moduli, the two relationships intersected (porosity = 55%) such that the lattice structure exhibited higher moduli with porosity values greater than the intersection point; vice versa for the staggered structure. The lattice structure exhibited higher yield strength at all porosities. Mechanical testing results also indicated elastic moduli and yield strength properties comparable to trabecular bone (elastic moduli: 14-165 MPa; yield strength: 0.9-10 MPa). CONCLUSIONS Taken together, this study demonstrates that scaffolds printed from PCL/30% (wt.) nHAp with lattice and staggered structure offer promise for treating trabecular bone defects. This study identified the effect of porosity and internal structure on scaffold mechanical properties and provided suggestions for developing scaffolds with mechanical properties for substituting trabecular bone.
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Affiliation(s)
- Zahra Yazdanpanah
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada.
| | - Nitin Kumar Sharma
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - Alice Raquin
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Institut Catholique Des Arts Et Métiers, 85000, La Roche-Sur-Yon, France
| | - David M L Cooper
- Department of Anatomy, Physiology, and Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Xiongbiao Chen
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - James D Johnston
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
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Yazdanpanah Z, Kumar Sharma N, Zimmerling A, Cooper DML, Johnston JD, Chen X. Investigation into relationships between design parameters and mechanical properties of 3D printed PCL/nHAp bone scaffolds. PLoS One 2023; 18:e0288531. [PMID: 37450462 PMCID: PMC10348542 DOI: 10.1371/journal.pone.0288531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Scaffolds are of great importance in tissue engineering applications as they provide a mechanically supportive environment for cellular activity, which is particularly necessary for hard tissues such as bone. Notably, the mechanical properties of a scaffold vary with differing design parameters such as those related to scaffold height and internal structure. Thus, the present study aimed to explore the relationship between design parameters and mechanical properties of composite polycaprolactone (PCL) and nano-hydroxyapatite (nHAp) scaffolds fabricated by three-dimensional (3D) printing. METHODS We designed and printed scaffolds with different internal structures (lattice and staggered) and varying heights (4, 6, 8 and 10 layers), and consistent porosity (50%) for the purpose of comparison. Then, we examined the scaffold microstructure (pore size and penetration between layers) using scanning electron microscopy (SEM) and mechanical properties (elastic modulus and yield strength) using compressive testing. RESULTS Our results illustrated that the microstructural parameters were related to scaffold design. At higher heights, pore size increased while penetration between layers decreased; thus, mechanical properties were affected. Results of mechanical testing demonstrated that for lattice scaffolds, elastic modulus was similar for 6 vs 4, and 8 vs 4 layers but ~33% lower for 10 layers vs 4 layers. Similarly, yield strength was comparable for 6 vs 4, and 8 vs 4 layers but ~27% lower for 10 layers vs 4 layers. With staggered scaffolds, when compared to 4-layer results, elastic modulus was similar for 6 layers but was ~43% lower for 8 layers and ~38% lower for 10 layers. Staggered scaffolds had ~38%, ~51%, and ~76% lower yield strength when the number of layers were increased from 4 to 6, 8, and 10 layers, respectively. When comparing lattice and staggered scaffolds with the same layer number, elastic modulus was similar, apart from 8-layer scaffolds where the staggered design was ~42% lower than lattice. Yield strength was similar between 4-layer staggered and lattice scaffolds, while staggered scaffolds with 6, 8, and 10 number of layers showed ~43%, ~45%, ~68% lower strength, respectively, than those found in lattice scaffolds with the same layer numbers. CONCLUSIONS Mechanical properties of 3D printed scaffolds depended on scaffold height for both lattice and staggered internal structures. Staggered scaffolds had lower mechanical properties than the lattice scaffolds with the same height and were more sensitive to the change in scaffold height. Taken together, lattice scaffolds demonstrated the advantages of more stable mechanical properties over staggered scaffolds. Also, scaffolds with lower height were more promising in terms of mechanical properties compared to scaffolds with greater height.
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Affiliation(s)
- Zahra Yazdanpanah
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Nitin Kumar Sharma
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Amanda Zimmerling
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - David M. L. Cooper
- Department of Anatomy Physiology and Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - James D. Johnston
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Xiongbiao Chen
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Abdullah T, İlyasoğlu G, Memić A. Designing Lignin-Based Biomaterials as Carriers of Bioactive Molecules. Pharmaceutics 2023; 15:pharmaceutics15041114. [PMID: 37111600 PMCID: PMC10143462 DOI: 10.3390/pharmaceutics15041114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/18/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
There is a need to develop circular and sustainable economies by utilizing sustainable, green, and renewable resources in high-tech industrial fields especially in the pharmaceutical industry. In the last decade, many derivatives of food and agricultural waste have gained considerable attention due to their abundance, renewability, biocompatibility, environmental amiability, and remarkable biological features. Particularly, lignin, which has been used as a low-grade burning fuel in the past, recently attracted a lot of attention for biomedical applications because of its antioxidant, anti-UV, and antimicrobial properties. Moreover, lignin has abundant phenolic, aliphatic hydroxyl groups, and other chemically reactive sites, making it a desirable biomaterial for drug delivery applications. In this review, we provide an overview of designing different forms of lignin-based biomaterials, including hydrogels, cryogels, electrospun scaffolds, and three-dimensional (3D) printed structures and how they have been used for bioactive compound delivery. We highlight various design criteria and parameters that influence the properties of each type of lignin-based biomaterial and corelate them to various drug delivery applications. In addition, we provide a critical analysis, including the advantages and challenges encountered by each biomaterial fabrication strategy. Finally, we highlight the prospects and future directions associated with the application of lignin-based biomaterials in the pharmaceutical field. We expect that this review will cover the most recent and important developments in this field and serve as a steppingstone for the next generation of pharmaceutical research.
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Popkov A, Kononovich N, Dubinenko G, Gorbach E, Shastov A, Tverdokhlebov S, Popkov D. Long Bone Defect Filling with Bioactive Degradable 3D-Implant: Experimental Study. Biomimetics (Basel) 2023; 8:biomimetics8020138. [PMID: 37092390 PMCID: PMC10123725 DOI: 10.3390/biomimetics8020138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/26/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023] Open
Abstract
Previously, 3D-printed bone grafts made of titanium alloy with bioactive coating has shown great potential for the restoration of bone defects. Implanted into a medullary canal titanium graft with cellular structure demonstrated stimulation of the reparative osteogenesis and successful osseointegration of the graft into a single bone-implant block. The purpose of this study was to investigate osseointegration of a 3D-printed degradable polymeric implant with cellular structure as preclinical testing of a new technique for bone defect restoration. During an experimental study in sheep, a 20 mm-long segmental tibial defect was filled with an original cylindrical implant with cellular structure made of polycaprolactone coated with hydroxyapatite. X-ray radiographs demonstrated reparative bone regeneration from the periosteum lying on the periphery of cylindrical implant to its center in a week after the surgery. Cellular structure of the implant was fully filled with newly-formed bone tissue on the 4th week after the surgery. The bone tissue regeneration from the proximal and distal bone fragments was evident on 3rd week. This provides insight into the use of bioactive degradable implants for the restoration of segmental bone defects. Degradable implant with bioactive coating implanted into a long bone segmental defect provides stimulation of reparative osteogenesis and osseointegration into the single implant-bone block.
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15
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Bakhshi R, Mohammadi-Zerankeshi M, Mehrabi-Dehdezi M, Alizadeh R, Labbaf S, Abachi P. Additive manufacturing of PLA-Mg composite scaffolds for hard tissue engineering applications. J Mech Behav Biomed Mater 2023; 138:105655. [PMID: 36621086 DOI: 10.1016/j.jmbbm.2023.105655] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/27/2022] [Accepted: 01/01/2023] [Indexed: 01/04/2023]
Abstract
Polylactic acid (PLA) is considered as a great option to be employed as 3D porous scaffold in hard tissue engineering applications owing to its excellent biocompatibility and processability. However, relatively weak mechanical properties and inappropriate biodegradability limit its extensive usage. In order to overcome the mentioned challenges, micrometric magnesium particles were incorporated into the PLA matrix by the fused deposition modeling (FDM) technique. The effects of various Mg contents (i.e., 2, 4, 6, 8 and 10 wt%) on the structural, thermal, rheological, mechanical, wettability, degradability characteristics and cellular behavior of the 3D porous PLA-Mg composite scaffolds were examined. The developed PLA-Mg composites exhibit an interconnected porous structure with a mostly uniform distribution of Mg particles in the PLA matrix. It was found that incorporation of Mg particles into the PLA matrix enhances the mechanical, physical, chemical and biological characteristics of PLA. The cell studies demonstrate that the PLA-6Mg composite scaffold provides the best cellular response in terms of cell atachment and viability. The obtained results in this investigation greatly suggest that the 3D-printed PLA-Mg composite scaffold is a promising candidate for hard tissue engineering applications.
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Affiliation(s)
- Rasoul Bakhshi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | | | - Melika Mehrabi-Dehdezi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
| | - Reza Alizadeh
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran.
| | - Sheyda Labbaf
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Parvin Abachi
- Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
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3D printing of bio-instructive materials: Toward directing the cell. Bioact Mater 2023; 19:292-327. [PMID: 35574057 PMCID: PMC9058956 DOI: 10.1016/j.bioactmat.2022.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/25/2022] [Accepted: 04/10/2022] [Indexed: 01/10/2023] Open
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Passos M, Zankovic S, Minas G, Klüver E, Baltzer M, Schmal H, Seidenstuecker M. About 3D Printability of Thermoplastic Collagen for Biomedical Applications. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9120780. [PMID: 36550986 PMCID: PMC9774095 DOI: 10.3390/bioengineering9120780] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/22/2022] [Accepted: 12/05/2022] [Indexed: 12/12/2022]
Abstract
With more than 1.5 million total knee and hip implants placed each year, there is an urgent need for a drug delivery system that can effectively support the repair of bone infections. Scaffolds made of natural biopolymers are widely used for this purpose due to their biocompatibility, biodegradability, and suitable mechanical properties. However, the poor processability is a bottleneck, as highly customizable scaffolds are desired. The aim of the present research is to develop a scaffold made of thermoplastic collagen (TC) using 3D printing technology. The viscosity of the material was measured using a rheometer. A 3D bioplotter was used to fabricate the scaffolds out of TC. The mechanical properties of the TC scaffolds were performed using tension/compression testing on a Zwick/Roell universal testing machine. TC shows better compressibility with increasing temperature and a decrease in dynamic viscosity (η), storage modulus (G'), and loss modulus (G″). The compressive strength of the TC scaffolds was between 3-10 MPa, depending on the geometry (cylinder or cuboid, with different infills). We have demonstrated for the first time that TC can be used to fabricate porous scaffolds by 3D printing in various geometries.
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Affiliation(s)
- Marina Passos
- G.E.R.N. Center of Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center-Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
- Center for Micro Electromechanical Systems (CMEMS-UMinho), University of Minho Campus de Azurém, 4800-058 Guimarães, Portugal
| | - Sergej Zankovic
- G.E.R.N. Center of Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center-Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Graça Minas
- LABBELS-Associate Laboratory, University of Minho Campus de Gualtar, 4710-057 Braga, Portugal
| | - Enno Klüver
- FILK Freiberg Institute gGmbH, Meissner Ring 1-5, 09599 Freiberg, Germany
| | - Marit Baltzer
- FILK Freiberg Institute gGmbH, Meissner Ring 1-5, 09599 Freiberg, Germany
| | - Hagen Schmal
- G.E.R.N. Center of Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center-Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
| | - Michael Seidenstuecker
- G.E.R.N. Center of Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Medical Center-Albert-Ludwigs-University of Freiburg, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, Hugstetter Straße 55, 79106 Freiburg, Germany
- Correspondence:
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Sousa AC, Biscaia S, Alvites R, Branquinho M, Lopes B, Sousa P, Valente J, Franco M, Santos JD, Mendonça C, Atayde L, Alves N, Maurício AC. Assessment of 3D-Printed Polycaprolactone, Hydroxyapatite Nanoparticles and Diacrylate Poly(ethylene glycol) Scaffolds for Bone Regeneration. Pharmaceutics 2022; 14:pharmaceutics14122643. [PMID: 36559137 PMCID: PMC9782524 DOI: 10.3390/pharmaceutics14122643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/17/2022] [Accepted: 11/24/2022] [Indexed: 12/03/2022] Open
Abstract
Notwithstanding the advances achieved in the last decades in the field of synthetic bone substitutes, the development of biodegradable 3D-printed scaffolds with ideal mechanical and biological properties remains an unattained challenge. In the present work, a new approach to produce synthetic bone grafts that mimic complex bone structure is explored. For the first time, three scaffolds of various composition, namely polycaprolactone (PCL), PCL/hydroxyapatite nanoparticles (HANp) and PCL/HANp/diacrylate poly(ethylene glycol) (PEGDA), were manufactured by extrusion. Following the production and characterisation of the scaffolds, an in vitro evaluation was carried out using human dental pulp stem/stromal cells (hDPSCs). Through the findings, it was possible to conclude that, in all groups, the scaffolds were successfully produced presenting networks of interconnected channels, adequate porosity for migration and proliferation of osteoblasts (approximately 50%). Furthermore, according to the in vitro analysis, all groups were considered non-cytotoxic in contact with the cells. Nevertheless, the group with PEGDA revealed hydrophilic properties (15.15° ± 4.06) and adequate mechanical performance (10.41 MPa ± 0.934) and demonstrated significantly higher cell viability than the other groups analysed. The scaffolds with PEGDA suggested an increase in cell adhesion and proliferation, thus are more appropriate for bone regeneration. To conclude, findings in this study demonstrated that PCL, HANp and PEGDA scaffolds may have promising effects on bone regeneration and might open new insights for 3D tissue substitutes.
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Affiliation(s)
- Ana Catarina Sousa
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Sara Biscaia
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic of Leiria, 2411-901 Leiria, Portugal
| | - Rui Alvites
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Mariana Branquinho
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Bruna Lopes
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Patrícia Sousa
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Joana Valente
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic of Leiria, 2411-901 Leiria, Portugal
| | - Margarida Franco
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic of Leiria, 2411-901 Leiria, Portugal
| | - José Domingos Santos
- REQUIMTE-LAQV, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Carla Mendonça
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Luís Atayde
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
| | - Nuno Alves
- Centre for Rapid and Sustainable Product Development (CDRSP), Polytechnic of Leiria, 2411-901 Leiria, Portugal
| | - Ana Colette Maurício
- Veterinary Clinics Department, Abel Salazar Biomedical Sciences Institute (ICBAS), 4050-313 Porto, Portugal
- Animal Science Studies Centre (CECA), Agroenvironment, Technologies and Sciences Institute (ICETA), University of Porto (UP), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Faculdade de Medicina Veterinária (FMV), Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisbon, Portugal
- Correspondence: or
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Bojedla SSR, Yeleswarapu S, Alwala AM, Nikzad M, Masood SH, Riza S, Pati F. Three-Dimensional Printing of Customized Scaffolds with Polycaprolactone-Silk Fibroin Composites and Integration of Gingival Tissue-Derived Stem Cells for Personalized Bone Therapy. ACS APPLIED BIO MATERIALS 2022; 5:4465-4479. [PMID: 35994743 DOI: 10.1021/acsabm.2c00560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Regenerative biomaterials play a crucial role in the success of maxillofacial reconstructive procedures. Yet today, limited options are available when choosing polymeric biomaterials to treat critical size bony defects. Further, there is a requirement for 3D printable regenerative biomaterials to fabricate customized structures confined to the defect site. We present here a 3D printable composite formulation consisting of polycaprolactone (PCL) and silk fibroin microfibers and have established a robust protocol for fabricating customized 3D structures of complex geometry with the composite. The 3D printed composite scaffolds demonstrated higher compressive modulus than 3D printed scaffolds of PCL alone. Furthermore, the compressive modulus of PCL-Antheraea mylitta (AM) silk scaffolds is higher than that of the PCL-Bombyx mori (BM) silk scaffolds at their respective ratios. Compressive modulus of PCL-25AM silk scaffolds (73.4 MPa) is higher than that of PCL-25BM silk scaffolds (65.1 MPa). Compressive modulus of PCL-40AM silk scaffolds (106.1 MPa) is higher than that of PCL-40BM silk scaffolds (77.7 MPa). Moreover, we have isolated, characterized, and integrated human gingival mesenchymal stem cells (hGMSCs), an effective autologous cell source, onto the 3D printed scaffolds to evaluate their bone regeneration potential. The results demonstrated that PCL-silk microfiber composite scaffolds of Antheraea mylitta origin showed much higher bioactivity than the Bombyx mori ones because of arginine-glycine-aspartic acid (RGD) sequences present in the Antheraea mylitta silk fibroin protein favoring cell attachment and proliferation. By day 14, the metabolic activity of hGMSCs was highest in PCL-40AM (4.5 times higher than that at day 1). In addition, to show the translational potential of this work, we have fabricated a patient defect-specific model (mandible) using the CT scan obtained by the micro-CT imaging to understand the printability of the composite for fabricating complex structures to restore maxillofacial bony defects with precision when applied in a clinical scenario.
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Affiliation(s)
- Sri Sai Ramya Bojedla
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Hyderabad, Telangana 502284, India
| | - Sriya Yeleswarapu
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Hyderabad, Telangana 502284, India
| | - Aditya Mohan Alwala
- Department of Oral and Maxillofacial Surgery, MNR Dental College & Hospital, Sangareddy, Hyderabad, Telangana 502294, India
| | - Mostafa Nikzad
- Department of Mechanical and Product Design Engineering, School of Engineering, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Syed H Masood
- Department of Mechanical and Product Design Engineering, School of Engineering, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Syed Riza
- Department of Mechanical and Product Design Engineering, School of Engineering, Swinburne University of Technology, Hawthorn, Victoria 3122, Australia
| | - Falguni Pati
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Hyderabad, Telangana 502284, India
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Abdullah T, Qurban RO, Abdel-Wahab MS, Salah NA, Melaibari AA, Zamzami MA, Memić A. Development of Nanocoated Filaments for 3D Fused Deposition Modeling of Antibacterial and Antioxidant Materials. Polymers (Basel) 2022; 14:2645. [PMID: 35808690 PMCID: PMC9269528 DOI: 10.3390/polym14132645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 12/12/2022] Open
Abstract
Three-dimensional (3D) printing is one of the most futuristic manufacturing technologies, allowing on-demand manufacturing of products with highly complex geometries and tunable material properties. Among the different 3D-printing technologies, fused deposition modeling (FDM) is the most popular one due to its affordability, adaptability, and pertinency in many areas, including the biomedical field. Yet, only limited amounts of materials are commercially available for FDM, which hampers their application potential. Polybutylene succinate (PBS) is one of the biocompatible and biodegradable thermoplastics that could be subjected to FDM printing for healthcare applications. However, microbial contamination and the formation of biofilms is a critical issue during direct usage of thermoplastics, including PBS. Herein, we developed a composite filament containing polybutylene succinate (PBS) and lignin for FDM printing. Compared to pure PBS, the PBS/lignin composite with 2.5~3.5% lignin showed better printability and antioxidant and antimicrobial properties. We further coated silver/zinc oxide on the printed graft to enhance their antimicrobial performance and obtain the strain-specific antimicrobial activity. We expect that the developed approach can be used in biomedical applications such as patient-specific orthoses.
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Affiliation(s)
- Turdimuhammad Abdullah
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (T.A.); (M.S.A.-W.); (N.A.S.); (A.A.M.)
| | - Rayyan O. Qurban
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (R.O.Q.); (M.A.Z.)
| | - Mohamed Sh. Abdel-Wahab
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (T.A.); (M.S.A.-W.); (N.A.S.); (A.A.M.)
| | - Numan A. Salah
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (T.A.); (M.S.A.-W.); (N.A.S.); (A.A.M.)
| | - Ammar AbdulGhani Melaibari
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (T.A.); (M.S.A.-W.); (N.A.S.); (A.A.M.)
- Department of Mechanical Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mazin A. Zamzami
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (R.O.Q.); (M.A.Z.)
| | - Adnan Memić
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (T.A.); (M.S.A.-W.); (N.A.S.); (A.A.M.)
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21
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Yazdanpanah Z, Johnston JD, Cooper DML, Chen X. 3D Bioprinted Scaffolds for Bone Tissue Engineering: State-Of-The-Art and Emerging Technologies. Front Bioeng Biotechnol 2022; 10:824156. [PMID: 35480972 PMCID: PMC9035802 DOI: 10.3389/fbioe.2022.824156] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 03/03/2022] [Indexed: 12/12/2022] Open
Abstract
Treating large bone defects, known as critical-sized defects (CSDs), is challenging because they are not spontaneously healed by the patient’s body. Due to the limitations associated with conventional bone grafts, bone tissue engineering (BTE), based on three-dimensional (3D) bioprinted scaffolds, has emerged as a promising approach for bone reconstitution and treatment. Bioprinting technology allows for incorporation of living cells and/or growth factors into scaffolds aiming to mimic the structure and properties of the native bone. To date, a wide range of biomaterials (either natural or synthetic polymers), as well as various cells and growth factors, have been explored for use in scaffold bioprinting. However, a key challenge that remains is the fabrication of scaffolds that meet structure, mechanical, and osteoconductive requirements of native bone and support vascularization. In this review, we briefly present the latest developments and discoveries of CSD treatment by means of bioprinted scaffolds, with a focus on the biomaterials, cells, and growth factors for formulating bioinks and their bioprinting techniques. Promising state-of-the-art pathways or strategies recently developed for bioprinting bone scaffolds are highlighted, including the incorporation of bioactive ceramics to create composite scaffolds, the use of advanced bioprinting technologies (e.g., core/shell bioprinting) to form hybrid scaffolds or systems, as well as the rigorous design of scaffolds by taking into account of the influence of such parameters as scaffold pore geometry and porosity. We also review in-vitro assays and in-vivo models to track bone regeneration, followed by a discussion of current limitations associated with 3D bioprinting technologies for BTE. We conclude this review with emerging approaches in this field, including the development of gradient scaffolds, four-dimensional (4D) printing technology via smart materials, organoids, and cell aggregates/spheroids along with future avenues for related BTE.
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Affiliation(s)
- Zahra Yazdanpanah
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- *Correspondence: Zahra Yazdanpanah,
| | - James D. Johnston
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - David M. L. Cooper
- Department of Anatomy Physiology and Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Xiongbiao Chen
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, SK, Canada
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22
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Samandari M, Quint J, Rodríguez-delaRosa A, Sinha I, Pourquié O, Tamayol A. Bioinks and Bioprinting Strategies for Skeletal Muscle Tissue Engineering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2105883. [PMID: 34773667 PMCID: PMC8957559 DOI: 10.1002/adma.202105883] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/28/2021] [Indexed: 05/16/2023]
Abstract
Skeletal muscles play important roles in critical body functions and their injury or disease can lead to limitation of mobility and loss of independence. Current treatments result in variable functional recovery, while reconstructive surgery, as the gold-standard approach, is limited due to donor shortage, donor-site morbidity, and limited functional recovery. Skeletal muscle tissue engineering (SMTE) has generated enthusiasm as an alternative solution for treatment of injured tissue and serves as a functional disease model. Recently, bioprinting has emerged as a promising tool for recapitulating the complex and highly organized architecture of skeletal muscles at clinically relevant sizes. Here, skeletal muscle physiology, muscle regeneration following injury, and current treatments following muscle loss are discussed, and then bioprinting strategies implemented for SMTE are critically reviewed. Subsequently, recent advancements that have led to improvement of bioprinting strategies to construct large muscle structures, boost myogenesis in vitro and in vivo, and enhance tissue integration are discussed. Bioinks for muscle bioprinting, as an essential part of any bioprinting strategy, are discussed, and their benefits, limitations, and areas to be improved are highlighted. Finally, the directions the field should expand to make bioprinting strategies more translational and overcome the clinical unmet needs are discussed.
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Affiliation(s)
- Mohamadmahdi Samandari
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - Jacob Quint
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA
| | | | - Indranil Sinha
- Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02139, USA
| | - Olivier Pourquié
- Department of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT 06030, USA
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23
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PLA/Hydroxyapatite scaffolds exhibit in vitro immunological inertness and promote robust osteogenic differentiation of human mesenchymal stem cells without osteogenic stimuli. Sci Rep 2022; 12:2333. [PMID: 35149687 PMCID: PMC8837663 DOI: 10.1038/s41598-022-05207-w] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 01/07/2022] [Indexed: 02/06/2023] Open
Abstract
Bone defects stand out as one of the greatest challenges of reconstructive surgery. Fused deposition modelling (FDM) allows for the printing of 3D scaffolds tailored to the morphology and size of bone damage in a patient-specific and high-precision manner. However, FDM still suffers from the lack of materials capable of efficiently supporting osteogenesis. In this study, we developed 3D-printed porous scaffolds composed of polylactic acid/hydroxyapatite (PLA/HA) composites with high ceramic contents (above 20%, w/w) by FDM. The mechanical properties of the PLA/HA scaffolds were compatible with those of trabecular bone. In vitro degradation tests revealed that HA can neutralize the acidification effect caused by PLA degradation, while simultaneously releasing calcium and phosphate ions. Importantly, 3D-printed PLA/HA did not induce the upregulation of activation markers nor the expression of inflammatory cytokines in dendritic cells thus exhibiting no immune-stimulatory properties in vitro. Evaluations using human mesenchymal stem cells (MSC) showed that pure PLA scaffolds exerted an osteoconductive effect, whereas PLA/HA scaffolds efficiently induced osteogenic differentiation of MSC even in the absence of any classical osteogenic stimuli. Our findings indicate that 3D-printed PLA scaffolds loaded with high concentrations of HA are most suitable for future applications in bone tissue engineering.
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24
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Zare P, Pezeshki-Modaress M, Davachi SM, Chahsetareh H, Simorgh S, Asgari N, Haramshahi MA, Alizadeh R, Bagher Z, Farhadi M. An additive manufacturing-based 3D printed poly ɛ-caprolactone/alginate sulfate/extracellular matrix construct for nasal cartilage regeneration. J Biomed Mater Res A 2022; 110:1199-1209. [PMID: 35098649 DOI: 10.1002/jbm.a.37363] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/28/2021] [Accepted: 01/10/2022] [Indexed: 02/06/2023]
Abstract
Various composite scaffolds with different fabrication techniques have been applied in cartilage tissue engineering. In this study, poly ɛ-caprolactone (PCL) was printed by fused deposition modeling method, and the prepared scaffold was filled with Alginate (Alg): Alginate-Sulfate (Alg-Sul) hydrogel to provide a better biomimetic environment and emulate the structure of glycosaminoglycans properly. Furthermore, to enhance chondrogenesis, different concentrations of decellularized extracellular matrix (dECM) were added to the hydrogel. For cellular analyses, the adipose-derived mesenchymal stem cells were seeded on the hydrogel and the results of MTT assay, live/dead staining, and SEM images revealed that the scaffold with 1% dECM had better viscosity, cell viability, and proliferation. The study was conducted on the optimized scaffold (1% dECM) to determine mechanical characteristics, chondrogenic differentiation, and results demonstrated that the scaffold showed mechanical similarity to the native nasal cartilage tissue along with possessing appropriate biochemical features, which makes this new formulation based on PCL/dECM/Alg:Alg-Sul a promising candidate for further in-vivo studies.
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Affiliation(s)
- Pariya Zare
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | | | - Seyed Mohammad Davachi
- Department of Biology and Chemistry, Texas A&M International University, Laredo, Texas, USA
| | - Hadi Chahsetareh
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran, Iran
| | - Sara Simorgh
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Negin Asgari
- Department of Biomedical Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Amin Haramshahi
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Rafieh Alizadeh
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Zohreh Bagher
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.,ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Mohamad Farhadi
- ENT and Head and Neck Research Center and Department, The Five Senses Health Institute, School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
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25
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Motloung MP, Mofokeng TG, Ray SS. Viscoelastic, Thermal, and Mechanical Properties of Melt-Processed Poly (ε-Caprolactone) (PCL)/Hydroxyapatite (HAP) Composites. MATERIALS (BASEL, SWITZERLAND) 2021; 15:104. [PMID: 35009251 PMCID: PMC8746180 DOI: 10.3390/ma15010104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/10/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Poly (ε-caprolactone) (PCL)/hydroxyapatite (HAP) composites represent a novel material with desired properties for various applications. In this work, PCL/HAP composites at low loadings were developed through melt-extrusion processing. The effects of HAP loading on viscoelastic, thermal, structural, and mechanical properties of PCL were examined. The morphological analysis revealed better dispersion of HAP at low loadings, while aggregation was noticed at high concentrations. The complex viscosity of the prepared composites increased with increasing concentration of HAP. In addition, a significant decrease in crystallinity was observed upon increase in HAP loading. However, the elongation at break increased with increasing the concentration of HAP, probably due to a decrease in crystallinity. The onset thermal degradation temperature of PCL was enhanced at low concentrations of HAP, whereas a decrease was observed at high loading. Overall, different degrees of HAP dispersion resulted into specific property improvement.
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Affiliation(s)
- Mpho Phillip Motloung
- Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (M.P.M.); (T.G.M.)
- Department of Chemical Sciences, University of Johannesburg, Johannesburg 2028, South Africa
| | - Tladi Gideon Mofokeng
- Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (M.P.M.); (T.G.M.)
| | - Suprakas Sinha Ray
- Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa; (M.P.M.); (T.G.M.)
- Department of Chemical Sciences, University of Johannesburg, Johannesburg 2028, South Africa
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26
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Mostafavi A, Samandari M, Karvar M, Ghovvati M, Endo Y, Sinha I, Annabi N, Tamayol A. Colloidal multiscale porous adhesive (bio)inks facilitate scaffold integration. APPLIED PHYSICS REVIEWS 2021; 8:041415. [PMID: 34970378 PMCID: PMC8686691 DOI: 10.1063/5.0062823] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 11/09/2021] [Indexed: 06/12/2023]
Abstract
Poor cellular spreading, proliferation, and infiltration, due to the dense biomaterial networks, have limited the success of most thick hydrogel-based scaffolds for tissue regeneration. Here, inspired by whipped cream production widely used in pastries, hydrogel-based foam bioinks are developed for bioprinting of scaffolds. Upon cross-linking, a multiscale and interconnected porous structure, with pores ranging from few to several hundreds of micrometers, is formed within the printed constructs. The effect of the process parameters on the pore size distribution and mechanical and rheological properties of the bioinks is determined. The developed foam bioinks can be easily printed using both conventional and custom-built handheld bioprinters. In addition, the foam inks are adhesive upon in situ cross-linking and are biocompatible. The subcutaneous implantation of scaffolds formed from the engineered foam bioinks showed their rapid integration and vascularization in comparison with their non-porous hydrogel counterparts. In addition, in vivo application of the foam bioink into the non-healing muscle defect of a murine model of volumetric muscle loss resulted in a significant functional recovery and higher muscle forces at 8 weeks post injury compared with non-treated controls.
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Affiliation(s)
| | - Mohamadmahdi Samandari
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut 06269, USA
| | - Mehran Karvar
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Mahsa Ghovvati
- Department of Chemical and Biomolecular Engineering, University of California—Los Angeles, Los Angeles, California 90095, USA
| | - Yori Endo
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Indranil Sinha
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, University of California—Los Angeles, Los Angeles, California 90095, USA
| | - Ali Tamayol
- Authors to whom correspondence should be addressed:; ; and
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27
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Elkhoury K, Morsink M, Sanchez-Gonzalez L, Kahn C, Tamayol A, Arab-Tehrany E. Biofabrication of natural hydrogels for cardiac, neural, and bone Tissue engineering Applications. Bioact Mater 2021; 6:3904-3923. [PMID: 33997485 PMCID: PMC8080408 DOI: 10.1016/j.bioactmat.2021.03.040] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/05/2021] [Accepted: 03/26/2021] [Indexed: 12/13/2022] Open
Abstract
Natural hydrogels are one of the most promising biomaterials for tissue engineering applications, due to their biocompatibility, biodegradability, and extracellular matrix mimicking ability. To surpass the limitations of conventional fabrication techniques and to recapitulate the complex architecture of native tissue structure, natural hydrogels are being constructed using novel biofabrication strategies, such as textile techniques and three-dimensional bioprinting. These innovative techniques play an enormous role in the development of advanced scaffolds for various tissue engineering applications. The progress, advantages, and shortcomings of the emerging biofabrication techniques are highlighted in this review. Additionally, the novel applications of biofabricated natural hydrogels in cardiac, neural, and bone tissue engineering are discussed as well.
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Affiliation(s)
| | - Margaretha Morsink
- Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, Enschede, 7500AE, the Netherlands
| | | | - Cyril Kahn
- LIBio, Université de Lorraine, Nancy, F-54000, France
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut, Farmington, CT, 06030, USA
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28
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Shape fidelity, mechanical and biological performance of 3D printed polycaprolactone-bioactive glass composite scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 134:112540. [DOI: 10.1016/j.msec.2021.112540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/04/2021] [Accepted: 11/05/2021] [Indexed: 12/19/2022]
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29
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Gerdes S, Ramesh S, Mostafavi A, Tamayol A, Rivero IV, Rao P. Extrusion-based 3D (Bio)Printed Tissue Engineering Scaffolds: Process-Structure-Quality Relationships. ACS Biomater Sci Eng 2021; 7:4694-4717. [PMID: 34498461 DOI: 10.1021/acsbiomaterials.1c00598] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Biological additive manufacturing (Bio-AM) has emerged as a promising approach for the fabrication of biological scaffolds with nano- to microscale resolutions and biomimetic architectures beneficial to tissue engineering applications. However, Bio-AM processes tend to introduce flaws in the construct during fabrication. These flaws can be traced to material nonhomogeneity, suboptimal processing parameters, changes in the (bio)printing environment (such as nozzle clogs), and poor construct design, all with significant contributions to the alteration of a scaffold's mechanical properties. In addition, the biological response of endogenous and exogenous cells interacting with the defective scaffolds could become unpredictable. In this review, we first described extrusion-based Bio-AM. We highlighted the salient architectural and mechanotransduction parameters affecting the response of cells interfaced with the scaffolds. The process phenomena leading to defect formation and some of the tools for defect detection are reviewed. The limitations of the existing developments and the directions that the field should grow in order to overcome said limitations are discussed.
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Affiliation(s)
- Samuel Gerdes
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0526, United States
| | - Srikanthan Ramesh
- Department of Industrial and Systems Engineering, Rochester Institute of Technology, Rochester, New York. 14623, United States
| | - Azadeh Mostafavi
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0526, United States
| | - Ali Tamayol
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0526, United States.,Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, Connecticut 06269, United States
| | - Iris V Rivero
- Department of Industrial and Systems Engineering, Rochester Institute of Technology, Rochester, New York. 14623, United States.,Department of Biomedical Engineering, Rochester Institute of Technology, Rochester, New York. 14623, United States
| | - Prahalada Rao
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0526, United States
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30
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Mohaghegh S, Hosseini SF, Rad MR, Khojateh A. 3D Printed Composite Scaffolds in Bone Tissue Engineering: A systematic review. Curr Stem Cell Res Ther 2021; 17:648-709. [PMID: 35135465 DOI: 10.2174/1574888x16666210810111754] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/30/2021] [Accepted: 06/04/2021] [Indexed: 12/09/2022]
Abstract
OBJECTIVE This study aimed to analyze the effect of fabrication factors on both biological and physico-chemical features of 3-dimensional (3D) printed composite scaffolds. METHOD Electronic search was done according to the PRISMA guideline in PubMed and Scopus databases limited to English articles published until May 2021.Studies in which composite scaffolds were fabricated through computer-aided design and computer-aided manufacturing (CAD-CAM)-based methods were included.Articles regarding the features of the scaffolds fabricated through indirect techniques were excluded. RESULTS Full text of 121 studies were reviewed, and 69 met the inclusion criteria. According to analyzed studies, PCL and HA were the most commonly used polymer and ceramic,respectively. Besides,the Solvent-based technique was the most commonly used composition technique, which enabled preparing blends with high concentrations of ceramic materials. The most common fabrication method used in the included studies was Fused deposition modeling (FDM).The addition of bio-ceramics enhanced the mechanical features and the biological behaviors of the printed scaffolds in a ratio-dependent manner. However,studies that analyzed the effect of ceramic weight ratio showed that scaffolds with the highest ceramic content did not necessarily possess the optimal biological and non-biological features. CONCLUSION The biological and physico-chemical behaviors of the scaffold can be affected by pre-printing factors, including utilized materials, composition techniques, and fabrication methods. Fabricating scaffolds with high mineral content as of the natural bone may not provide the optimal condition for bone formation. Therefore, it is recommended that future studies compare the efficiency of different kinds of biomaterials rather than different weight ratios of one type.
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Affiliation(s)
- Sadra Mohaghegh
- Student Research Committee, School of Dentistry, Shahid Beheshti University of Medical Sciences. Iran
| | - Seyedeh Fatemeh Hosseini
- Student Research Committee, School of Dentistry, Shahid Beheshti University of Medical Sciences. Iran
| | - Maryam Rezai Rad
- Dental Research Center, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences. Iran
| | - Arash Khojateh
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences. Iran
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31
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Shape fidelity and sterility assessment of 3D printed polycaprolactone and hydroxyapatite scaffolds. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02675-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
AbstractPolycaprolactone (PCL) and hydroxyapatite (HA) composite are widely used in tissue engineering (TE). They are fit to being processed with three-dimensional (3D) printing technique to create scaffolds with verifiable porosity. The current challenge is to guarantee the reliability and reproducibility of 3D printed scaffolds and to create sterile scaffolds which can be used for in vitro cell cultures. In this context it is important for successful cell culture, to have a protocol in order to evaluate the sterility of the printed scaffolds. We proposed a systematic approach to sterilise 90%PCL-10%HA pellets using a 3D bioprinter before starting the printing process. We evaluated the printability of PCL-HA composite and the shape fidelity of scaffolds printed with and without sterilised pellets varying infill pattern, and the sterility of 3D printed scaffolds following the method established by the United States Pharmacopoeia. Finally, the thermal analyses supported by the Fourier Transform Infrared Spectroscopy were useful to verify the stability of the sterilisation process in the PCL solid state with and without HA. The results show that the use of the 3D printer, according to the proposed protocol, allows to obtain sterile 3D PCL-HA scaffolds suitable for TE applications such as bone or cartilage repair.
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32
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Cheng L, Suresh K S, He H, Rajput RS, Feng Q, Ramesh S, Wang Y, Krishnan S, Ostrovidov S, Camci-Unal G, Ramalingam M. 3D Printing of Micro- and Nanoscale Bone Substitutes: A Review on Technical and Translational Perspectives. Int J Nanomedicine 2021; 16:4289-4319. [PMID: 34211272 PMCID: PMC8239380 DOI: 10.2147/ijn.s311001] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/17/2021] [Indexed: 12/19/2022] Open
Abstract
Recent developments in three-dimensional (3D) printing technology offer immense potential in fabricating scaffolds and implants for various biomedical applications, especially for bone repair and regeneration. As the availability of autologous bone sources and commercial products is limited and surgical methods do not help in complete regeneration, it is necessary to develop alternative approaches for repairing large segmental bone defects. The 3D printing technology can effectively integrate different types of living cells within a 3D construct made up of conventional micro- or nanoscale biomaterials to create an artificial bone graft capable of regenerating the damaged tissues. This article reviews the developments and applications of 3D printing in bone tissue engineering and highlights the numerous conventional biomaterials and nanomaterials that have been used in the production of 3D-printed scaffolds. A comprehensive overview of the 3D printing methods such as stereolithography (SLA), selective laser sintering (SLS), fused deposition modeling (FDM), and ink-jet 3D printing, and their technical and clinical applications in bone repair and regeneration has been provided. The review is expected to be useful for readers to gain an insight into the state-of-the-art of 3D printing of bone substitutes and their translational perspectives.
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Affiliation(s)
- Lijia Cheng
- School of Basic Medicine, Chengdu University, Chengdu, 610106, People’s Republic of China
| | - Shoma Suresh K
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular, and Molecular Theranostics, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Hongyan He
- School of Basic Medicine, Chengdu University, Chengdu, 610106, People’s Republic of China
| | - Ritu Singh Rajput
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular, and Molecular Theranostics, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Qiyang Feng
- School of Basic Medicine, Chengdu University, Chengdu, 610106, People’s Republic of China
| | - Saravanan Ramesh
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular, and Molecular Theranostics, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Yuzhuang Wang
- School of Basic Medicine, Chengdu University, Chengdu, 610106, People’s Republic of China
| | - Sasirekha Krishnan
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular, and Molecular Theranostics, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Serge Ostrovidov
- Department of Radiological Sciences, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Gulden Camci-Unal
- Department of Chemical Engineering, University of Massachusetts Lowell, Lowell, MA, 01854, USA
| | - Murugan Ramalingam
- Biomaterials and Organ Engineering Group, Centre for Biomaterials, Cellular, and Molecular Theranostics, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
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33
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Mostafavi A, Abdullah T, Russell CS, Mostafavi E, Williams TJ, Salah N, Alshahrie A, Harris S, Basri SMM, Mishra YK, Webster TJ, Memic A, Tamayol A. In situ printing of scaffolds for reconstruction of bone defects. Acta Biomater 2021; 127:313-326. [PMID: 33705990 DOI: 10.1016/j.actbio.2021.03.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 03/01/2021] [Accepted: 03/02/2021] [Indexed: 02/06/2023]
Abstract
Bone defects are commonly caused by traumatic injuries and tumor removal and critically sized defects overwhelm the regenerative capacity of the native tissue. Reparative strategies such as auto, xeno, and allografts have proven to be insufficient to reconstruct and regenerate these defects. For the first time, we introduce the use of handheld melt spun three dimensional printers that can deposit materials directly within the defect site to properly fill the cavity and form free-standing scaffolds. Engineered composite filaments were generated from poly(caprolactone) (PCL) doped with zinc oxide nanoparticles and hydroxyapatite microparticles. The use of PCL-based materials allowed low-temperature printing to avoid overheating of the surrounding tissues. The in situ printed scaffolds showed moderate adhesion to wet bone tissue, which can prevent scaffold dislocation. The printed scaffolds showed to be osteoconductive and supported the osteodifferentiation of mesenchymal stem cells. Biocompatibility of the scaffolds upon in vivo printing subcutaneously in mice showed promising results. STATEMENT OF SIGNIFICANCE.
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Affiliation(s)
- Azadeh Mostafavi
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, United States
| | | | - Carina S Russell
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, United States
| | - Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, United States
| | - Tyrell J Williams
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, United States
| | - Numan Salah
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed Alshahrie
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Seth Harris
- Veterinary Diagnostic Center, School of Veterinary Medicine and Biomedical Sciences, University of Nebraska-Lincoln, Lincoln, Nebraska, United States
| | | | - Yogendra Kumar Mishra
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Sønderborg, Denmark
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts, United States
| | - Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Ali Tamayol
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, United States; Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut, United States.
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34
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Tamay DG, Hasirci N. Bioinks-materials used in printing cells in designed 3D forms. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2021; 32:1072-1106. [PMID: 33720806 DOI: 10.1080/09205063.2021.1892470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Use of materials to activate non-functional or damaged organs and tissues goes back to early ages. The first materials used for this purpose were metals, and in time, novel materials such as ceramics, polymers and composites were introduced to the field to serve in medical applications. In the last decade, the advances in material sciences, cell biology, technology and engineering made 3D printing of living tissues or organ models in the designed structure and geometry possible by using cells alone or together with hydrogels through additive manufacturing. This review aims to give a brief information about the chemical structures and properties of bioink materials and their applications in the production of 3D tissue constructs.
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Affiliation(s)
- Dilara Goksu Tamay
- BIOMATEN - Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey.,Department of Biomedical Engineering, Middle East Technical University, Ankara, Turkey
| | - Nesrin Hasirci
- BIOMATEN - Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey.,Department of Biomedical Engineering, Middle East Technical University, Ankara, Turkey.,Department of Chemistry, Middle East Technical University, Ankara, Turkey.,Tissue Engineering and Biomaterial Research Center, Near East University, TRNC, Mersin 10, Turkey
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35
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Vallejos Baier R, Contreras Raggio JI, Toro Arancibia C, Bustamante M, Pérez L, Burda I, Aiyangar A, Vivanco JF. Structure-function assessment of 3D-printed porous scaffolds by a low-cost/open source fused filament fabrication printer. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 123:111945. [PMID: 33812577 DOI: 10.1016/j.msec.2021.111945] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 01/28/2021] [Accepted: 01/31/2021] [Indexed: 10/22/2022]
Abstract
Additive manufacturing encompasses a plethora of techniques to manufacture structures from a computational model. Among them, fused filament fabrication (FFF) relies on heating thermoplastics to their fusion point and extruding the material through a nozzle in a controlled pattern. FFF is a suitable technique for tissue engineering, given that allows the fabrication of 3D-scaffolds, which are utilized for tissue regeneration purposes. The objective of this study is to assess a low-cost/open-source 3D printer (In-House), by manufacturing both solid and porous samples with relevant microarchitecture in the physiological range (100-500 μm pore size), using an equivalent commercial counterpart for comparison. For this, compressive tests in solid and porous scaffolds manufactured in both printers were performed, comparing the results with finite element analysis (FEA) models. Additionally, a microarchitectural analysis was done in samples from both printers, comparing the measurements of both pore size and porosity to their corresponding computer-aided design (CAD) models. Moreover, a preliminary biological assessment was performed using scaffolds from our In-House printer, measuring cell adhesion efficiency. Finally, Fourier transform infrared spectroscopy - attenuated total reflectance (FTIR-ATR) was performed to evaluate chemical changes in the material (polylactic acid) after fabrication in each printer. The results show that the In-House printer achieved generally better mechanical behavior and resolution capacity than its commercial counterpart, by comparing with their FEA and CAD models, respectively. Moreover, a preliminary biological assessment indicates the feasibility of the In-House printer to be used in tissue engineering applications. The results also show the influence of pore geometry on mechanical properties of 3D-scaffolds and demonstrate that properties such as the apparent elastic modulus (Eapp) can be controlled in 3D-printed scaffolds.
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Affiliation(s)
- Raúl Vallejos Baier
- Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Viña del Mar, Chile.
| | | | | | - Miguel Bustamante
- Facultad de Ciencias Exactas, Universidad Andrés Bello, Santiago, Chile.
| | - Luis Pérez
- Departamento de Ingeniería Mecánica, Universidad Técnica Federico Santa María, Valparaíso, Chile.
| | - Iurii Burda
- Mechanical Systems Engineering, Empa - Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland.
| | - Ameet Aiyangar
- Mechanical Systems Engineering, Empa - Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland; Department of Orthopaedic Surgery, University of Pittsburgh, USA.
| | - Juan F Vivanco
- Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Viña del Mar, Chile.
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36
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Abudula T, Gauthaman K, Mostafavi A, Alshahrie A, Salah N, Morganti P, Chianese A, Tamayol A, Memic A. Sustainable drug release from polycaprolactone coated chitin-lignin gel fibrous scaffolds. Sci Rep 2020; 10:20428. [PMID: 33235239 PMCID: PMC7686307 DOI: 10.1038/s41598-020-76971-w] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 09/08/2020] [Indexed: 01/03/2023] Open
Abstract
Non-healing wounds have placed an enormous stress on both patients and healthcare systems worldwide. Severe complications induced by these wounds can lead to limb amputation or even death and urgently require more effective treatments. Electrospun scaffolds have great potential for improving wound healing treatments by providing controlled drug delivery. Previously, we developed fibrous scaffolds from complex carbohydrate polymers [i.e. chitin-lignin (CL) gels]. However, their application was limited by solubility and undesirable burst drug release. Here, a coaxial electrospinning is applied to encapsulate the CL gels with polycaprolactone (PCL). Presence of a PCL shell layer thus provides longer shelf-life for the CL gels in a wet environment and sustainable drug release. Antibiotics loaded into core–shell fibrous platform effectively inhibit both gram-positive and -negative bacteria without inducting observable cytotoxicity. Therefore, PCL coated CL fibrous gel platforms appear to be good candidates for controlled drug release based wound dressing applications.
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Affiliation(s)
| | - Kalamegam Gauthaman
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia.,Faculty of Medicine, AIMST University, Semeling, Bedong, Kedah, Malaysia
| | - Azadeh Mostafavi
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, NE, USA
| | - Ahmed Alshahrie
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Numan Salah
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | | | - Ali Tamayol
- Department of Mechanical and Materials Engineering, University of Nebraska, Lincoln, NE, USA.,Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
| | - Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia.
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37
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Gong L, Li J, Zhang J, Pan Z, Liu Y, Zhou F, Hong Y, Hu Y, Gu Y, Ouyang H, Zou X, Zhang S. An interleukin-4-loaded bi-layer 3D printed scaffold promotes osteochondral regeneration. Acta Biomater 2020; 117:246-260. [PMID: 33007484 DOI: 10.1016/j.actbio.2020.09.039] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 09/12/2020] [Accepted: 09/23/2020] [Indexed: 02/09/2023]
Abstract
Multilayer scaffolds fabricated by 3D printing or other techniques have been used to repair osteochondral defects. However, it remains a challenge to regenerate the articular cartilage and subchondral bone simultaneously with higher performance. In the present study, we enhanced the repair efficiency of osteochondral defects by developing a bi-layer scaffold: an interleukin-4 (IL-4)-loaded radially oriented gelatin methacrylate (GelMA) scaffold printed with digital light processing (DLP) in the upper layer and a porous polycaprolactone and hydroxyapatite (PCL-HA) scaffold printed with fused deposition modeling (FDM) in the lower layer. An in vitro test showed that both layers supported cell adhesion and proliferation, as the lower layer promoted osteogenic differentiation and the upper layer with IL-4 relieved the negative effects of inflammation on murine chondrocytes, which were induced by interleukin-1β (IL-1β) and M1 macrophages. In a rabbit osteochondral defect repair model, the IL-4-loaded bi-layer scaffold group obtained the highest histological score (24 ± 2) compared to the nontreated (11 ± 1) and pure bi-layer scaffold (16 ± 1) groups after 16 weeks of implantation, which showed that the IL-4-loaded bi-layer scaffold promoted regeneration of both cartilage and subchondral bone with increased formation of neocartilage and neobone tissues. Thus, the IL-4-loaded bi-layer scaffold is an attractive candidate for repair and regeneration of osteochondral defects.
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38
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Abudula T, Qurban RO, Bolarinwa SO, Mirza AA, Pasovic M, Memic A. 3D Printing of Metal/Metal Oxide Incorporated Thermoplastic Nanocomposites With Antimicrobial Properties. Front Bioeng Biotechnol 2020; 8:568186. [PMID: 33042969 PMCID: PMC7523645 DOI: 10.3389/fbioe.2020.568186] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 08/13/2020] [Indexed: 12/19/2022] Open
Abstract
Three-dimensional (3D) printing has experienced a steady increase in popularity for direct manufacturing, where complex geometric items can be produced without the aid of templating tools, and manufacturing waste can be remarkably reduced. While customized medical devices and daily life items can be made by 3D printing of thermoplastics, microbial contamination has been a serious obstacle during their usage. A very clever approaches to overcome this challenge is to incorporate antimicrobial metal or metal oxide (M/MO) nanoparticles within the thermoplastics during or prior to 3D printing. Many M/MO nanoparticles can prevent contamination from a wide range of microorganism, including antibiotic-resistant bacteria via various antimicrobial mechanisms. Additionally, they can be easily printed with thermoplastic without losing their integrity and functionality. In this mini review, we summarize recent advancements and discuss future trends related to the development of 3D printed antimicrobial thermoplastic nanocomposites by addition of M/MO nanoparticles.
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Affiliation(s)
| | - Rayyan O Qurban
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sherifdeen O Bolarinwa
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmed A Mirza
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mirza Pasovic
- Department of Electrical and Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
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39
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Interfacial reinforcement in bioceramic/biopolymer composite bone scaffold: The role of coupling agent. Colloids Surf B Biointerfaces 2020; 193:111083. [DOI: 10.1016/j.colsurfb.2020.111083] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/07/2020] [Accepted: 04/23/2020] [Indexed: 12/17/2022]
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