1
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Ma Y, Deng B, He R, Huang P. Advancements of 3D bioprinting in regenerative medicine: Exploring cell sources for organ fabrication. Heliyon 2024; 10:e24593. [PMID: 38318070 PMCID: PMC10838744 DOI: 10.1016/j.heliyon.2024.e24593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/02/2024] [Accepted: 01/10/2024] [Indexed: 02/07/2024] Open
Abstract
3D bioprinting has unlocked new possibilities for generating complex and functional tissues and organs. However, one of the greatest challenges lies in selecting the appropriate seed cells for constructing fully functional 3D artificial organs. Currently, there are no cell sources available that can fulfill all requirements of 3D bioprinting technologies, and each cell source possesses unique characteristics suitable for specific applications. In this review, we explore the impact of different 3D bioprinting technologies and bioink materials on seed cells, providing a comprehensive overview of the current landscape of cell sources that have been used or hold potential in 3D bioprinting. We also summarized key points to guide the selection of seed cells for 3D bioprinting. Moreover, we offer insights into the prospects of seed cell sources in 3D bioprinted organs, highlighting their potential to revolutionize the fields of tissue engineering and regenerative medicine.
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Affiliation(s)
| | | | - Runbang He
- State Key Laboratory of Advanced Medical Materials and Devices, Engineering Research Center of Pulmonary and Critical Care Medicine Technology and Device (Ministry of Education), Institute of Biomedical Engineering, Tianjin Institutes of Health Science, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, 300192, China
| | - Pengyu Huang
- State Key Laboratory of Advanced Medical Materials and Devices, Engineering Research Center of Pulmonary and Critical Care Medicine Technology and Device (Ministry of Education), Institute of Biomedical Engineering, Tianjin Institutes of Health Science, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, 300192, China
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2
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S S, R G AP, Bajaj G, John AE, Chandran S, Kumar VV, Ramakrishna S. A review on the recent applications of synthetic biopolymers in 3D printing for biomedical applications. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:62. [PMID: 37982917 PMCID: PMC10661719 DOI: 10.1007/s10856-023-06765-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 11/01/2023] [Indexed: 11/21/2023]
Abstract
3D printing technology is an emerging method that gained extensive attention from researchers worldwide, especially in the health and medical fields. Biopolymers are an emerging class of materials offering excellent properties and flexibility for additive manufacturing. Biopolymers are widely used in biomedical applications in biosensing, immunotherapy, drug delivery, tissue engineering and regeneration, implants, and medical devices. Various biodegradable and non-biodegradable polymeric materials are considered as bio-ink for 3d printing. Here, we offer an extensive literature review on the current applications of synthetic biopolymers in the field of 3D printing. A trend in the publication of biopolymers in the last 10 years are focused on the review by analyzing more than 100 publications. Their application and classification based on biodegradability are discussed. The various studies, along with their practical applications, are elaborated in the subsequent sections for polyethylene, polypropylene, polycaprolactone, polylactide, etc. for biomedical applications. The disadvantages of various biopolymers are discussed, and future perspectives like combating biocompatibility problems using 3D printed biomaterials to build compatible prosthetics are also discussed and the potential application of using resin with the combination of biopolymers to build customized implants, personalized drug delivery systems and organ on a chip technologies are expected to open a new set of chances for the development of healthcare and regenerative medicine in the future.
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Affiliation(s)
- Shiva S
- School of BioSciences and Technology, Department of Biotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
- Centre for Nanotechnology and Sustainability, National University of Singapore, Singapore, 117575, Singapore
| | - Asuwin Prabu R G
- School of BioSciences and Technology, Department of Biotechnology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Gauri Bajaj
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Amy Elsa John
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Sharan Chandran
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
| | - Vishnu Vijay Kumar
- Centre for Nanotechnology and Sustainability, National University of Singapore, Singapore, 117575, Singapore
- Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
- Department of Mechanical and Industrial Engineering, Gadjah Mada University, Yogyakarta, 55281, Indonesia
- Department of Aerospace Engineering, Jain deemed to be University, Bangalore, India
| | - Seeram Ramakrishna
- Centre for Nanotechnology and Sustainability, National University of Singapore, Singapore, 117575, Singapore
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3
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Hatt LP, Wirth S, Ristaniemi A, Ciric DJ, Thompson K, Eglin D, Stoddart MJ, Armiento AR. Micro-porous PLGA/ β-TCP/TPU scaffolds prepared by solvent-based 3D printing for bone tissue engineering purposes. Regen Biomater 2023; 10:rbad084. [PMID: 37936893 PMCID: PMC10627288 DOI: 10.1093/rb/rbad084] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/14/2023] [Accepted: 08/31/2023] [Indexed: 11/09/2023] Open
Abstract
The 3D printing process of fused deposition modelling is an attractive fabrication approach to create tissue-engineered bone substitutes to regenerate large mandibular bone defects, but often lacks desired surface porosity for enhanced protein adsorption and cell adhesion. Solvent-based printing leads to the spontaneous formation of micropores on the scaffold's surface upon solvent removal, without the need for further post processing. Our aim is to create and characterize porous scaffolds using a new formulation composed of mechanically stable poly(lactic-co-glycol acid) and osteoconductive β-tricalcium phosphate with and without the addition of elastic thermoplastic polyurethane prepared by solvent-based 3D-printing technique. Large-scale regenerative scaffolds can be 3D-printed with adequate fidelity and show porosity at multiple levels analysed via micro-computer tomography, scanning electron microscopy and N2 sorption. Superior mechanical properties compared to a commercially available calcium phosphate ink are demonstrated in compression and screw pull out tests. Biological assessments including cell activity assay and live-dead staining prove the scaffold's cytocompatibility. Osteoconductive properties are demonstrated by performing an osteogenic differentiation assay with primary human bone marrow mesenchymal stromal cells. We propose a versatile fabrication process to create porous 3D-printed scaffolds with adequate mechanical stability and osteoconductivity, both important characteristics for segmental mandibular bone reconstruction.
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Affiliation(s)
- Luan P Hatt
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- Institute for Biomechanics, ETH Zürich, 8093 Zürich, Switzerland
| | - Sylvie Wirth
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- Institute for Biomechanics, ETH Zürich, 8093 Zürich, Switzerland
| | | | - Daniel J Ciric
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
| | - Keith Thompson
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- UCB Pharma, SL1 3WE Slough, UK
| | - David Eglin
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- Mines Saint-Étienne, Université de Lyon, Université Jean Monnet, INSERM, U1059, 42023 Sainbiose, Saint-Étienne, France
| | - Martin J Stoddart
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- Medical Center, Faculty of Medicine, Albert-Ludwigs-University of Freiburg, 79106 Freiburg, Germany
| | - Angela R Armiento
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
- UCB Pharma, SL1 3WE Slough, UK
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4
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Sun T, Wang J, Huang H, Liu X, Zhang J, Zhang W, Wang H, Li Z. Low-temperature deposition manufacturing technology: a novel 3D printing method for bone scaffolds. Front Bioeng Biotechnol 2023; 11:1222102. [PMID: 37622000 PMCID: PMC10445654 DOI: 10.3389/fbioe.2023.1222102] [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: 05/13/2023] [Accepted: 08/01/2023] [Indexed: 08/26/2023] Open
Abstract
The application of three-dimensional printing technology in the medical field has great potential for bone defect repair, especially personalized and biological repair. As a green manufacturing process that does not involve liquefication through heating, low-temperature deposition manufacturing (LDM) is a promising type of rapid prototyping manufacturing and has been widely used to fabricate scaffolds in bone tissue engineering. The scaffolds fabricated by LDM have a multi-scale controllable pore structure and interconnected micropores, which are beneficial for the repair of bone defects. At the same time, different types of cells or bioactive factor can be integrated into three-dimensional structural scaffolds through LDM. Herein, we introduced LDM technology and summarize its applications in bone tissue engineering. We divide the scaffolds into four categories according to the skeleton materials and discuss the performance and limitations of the scaffolds. The ideas presented in this review have prospects in the development and application of LDM scaffolds.
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Affiliation(s)
- Tianze Sun
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Jinzuo Wang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
| | - Huagui Huang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
| | - Xin Liu
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
| | - Jing Zhang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
| | - Wentao Zhang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
| | - Honghua Wang
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Zhonghai Li
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, China
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Dalian, Liaoning, China
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Bassand C, Benabed L, Freitag J, Verin J, Siepmann F, Siepmann J. How bulk fluid renewal can affect in vitro drug release from PLGA implants: Importance of the experimental set-up. Int J Pharm X 2022; 4:100131. [PMID: 36189458 PMCID: PMC9519472 DOI: 10.1016/j.ijpx.2022.100131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/30/2022] [Accepted: 09/16/2022] [Indexed: 11/08/2022] Open
Abstract
The aim of this study was to better understand the potential impact of partial vs. complete renewal of the bulk fluid during drug release measurements from poly (lactic-co-glycolic acid) (PLGA)-based implants. A “standard experimental set-up”, in which the implants were directly exposed to well agitated phosphate buffer pH 7.4 was used, as well as set-ups, in which the implants were embedded within agarose hydrogels (mimicking living tissue). The gels were exposed to well agitated phosphate buffer pH 7.4. Ibuprofen-loaded implants were prepared by hot melt extrusion. The systems were thoroughly characterized before and during drug release by optical and scanning electron microscopy, gravimetric analysis, pH and solubility measurements as well as gel permeation chromatography. The bulk fluid was either completely or partially replaced by fresh medium at each sampling time point. In all cases, sink conditions were provided in the agitated bulk fluids throughout the experiments. Interestingly, the agarose set-ups did not show any noteworthy impact of the bulk fluid sampling volume on the observed drug release patterns, whereas complete fluid renewal in the “standard set-up” led to accelerated drug release. This could be explained by the considerable fragility of the implants once substantial polymer swelling set on, transforming them into PLGA gels: Complete fluid renewal caused partial disintegration and damage of the highly swollen systems, decreasing the lengths of the diffusion pathways for the drug. The mechanical stress is very much reduced at low sampling volumes, or if the implants are embedded within agarose gels. Thus, great care must be taken when defining the conditions for in vitro drug release measurements from PLGA-based implants: Once substantial system swelling sets on, the devices become highly fragile.
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Mahadik B, Margolis R, McLoughlin S, Melchiorri A, Lee SJ, Yoo J, Atala A, Mikos AG, Fisher JP. An open-source bioink database for microextrusion 3D printing. Biofabrication 2022; 15:10.1088/1758-5090/ac933a. [PMID: 36126638 PMCID: PMC9652762 DOI: 10.1088/1758-5090/ac933a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 09/20/2022] [Indexed: 11/11/2022]
Abstract
3D printing has rapidly become a critical enabling technology in tissue engineering and regenerative medicine for the fabrication of complex engineered tissues. 3D bioprinting, in particular, has advanced greatly to facilitate the incorporation of a broad spectrum of biomaterials along with cells and biomolecules of interest forin vitrotissue generation. The increasing complexity of novel bioink formulations and application-dependent printing conditions poses a significant challenge for replicating or innovating new bioprinting strategies. As the field continues to grow, it is imperative to establish a cohesive, open-source database that enables users to search through existing 3D printing formulations rapidly and efficiently. Through the efforts of the NIH/NIBIB Center for Engineering Complex Tissues, we have developed, to our knowledge, the first bioink database for extrusion-based 3D printing. The database is publicly available and allows users to search through and easily access information on biomaterials and cells specifically used in 3D printing. In order to enable a community-driven database growth, we have established an open-source portal for researchers to enter their publication information for addition into the database. Although the database has a broad range of capabilities, we demonstrate its utility by performing a comprehensive analysis of the printability domains of two well-established biomaterials in the printing world, namely poly(ϵ-caprolactone) and gelatin methacrylate. The database allowed us to rapidly identify combinations of extrusion pressure, temperature, and speed that have been used to print these biomaterials and more importantly, identify domains within which printing was not possible. The data also enabled correlation analysis between all the printing parameters, including needle size and type, that exhibited compatibility for cell-based 3D printing. Overall, this database is an extremely useful tool for the 3D printing and bioprinting community to advance their research and is an important step towards standardization in the field.
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Affiliation(s)
- Bhushan Mahadik
- Fischell Department of Bioengineering, University of Maryland, 20742, USA
- NIH/NIBIB Center for Engineering Complex Tissues
| | - Ryan Margolis
- Fischell Department of Bioengineering, University of Maryland, 20742, USA
| | - Shannon McLoughlin
- Fischell Department of Bioengineering, University of Maryland, 20742, USA
- NIH/NIBIB Center for Engineering Complex Tissues
| | - Anthony Melchiorri
- NIH/NIBIB Center for Engineering Complex Tissues
- Department of Bioengineering, Rice University, Houston TX
| | - Sang Jin Lee
- NIH/NIBIB Center for Engineering Complex Tissues
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - James Yoo
- NIH/NIBIB Center for Engineering Complex Tissues
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - Anthony Atala
- NIH/NIBIB Center for Engineering Complex Tissues
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston Salem, NC
| | - Antonios G. Mikos
- NIH/NIBIB Center for Engineering Complex Tissues
- Department of Bioengineering, Rice University, Houston TX
| | - John P. Fisher
- Fischell Department of Bioengineering, University of Maryland, 20742, USA
- NIH/NIBIB Center for Engineering Complex Tissues
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7
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Self-assembled zein organogels as in situ forming implant drug delivery system and 3D printing ink. Int J Pharm 2022; 627:122206. [PMID: 36126824 DOI: 10.1016/j.ijpharm.2022.122206] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/05/2022] [Accepted: 09/11/2022] [Indexed: 01/16/2023]
Abstract
Recently, biomedical applications of organogels have been increasing; however, there is a demand for bio-based polymers. Here, we report self-assembled zein organogels in N-methyl pyrrolidone (NMP), Dimethyl sulfoxide (DMSO), and glycerol formal (GF). The gel formation was driven by the solvent's polarity and the hydrogen bonding component of Hansen Solubility Parameters was important in promoting gelation. Gels exhibited shear-thinning and thixotropic properties. Furthermore, water-induced self-assembly of zein allows mechanically robust in situ implant formation by solvent exchange. Ciprofloxacin was incorporated as a model drug and sustained release depending upon the solvent exchange rate was observed. In situ implants in agarose gel retained antibacterial efficacy against S. aureus for more than 14 days. Zein-based organogels were further applied as 3D printing ink and it was found that zein gel in DMSO had superior printability than gels prepared in NMP and GF. Using three solvents to prepare organogels can enable the encapsulation of various drugs and facilitate the preparation of composite gels with other biocompatible polymers. These organogel systems can further be used for developing 3D printed drug delivery systems or scaffolds for tissue engineering.
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8
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van der Heide D, Cidonio G, Stoddart M, D'Este M. 3D printing of inorganic-biopolymer composites for bone regeneration. Biofabrication 2022; 14. [PMID: 36007496 DOI: 10.1088/1758-5090/ac8cb2] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 08/25/2022] [Indexed: 11/12/2022]
Abstract
In most cases, bone injuries heal without complications, however, there is an increasing number of instances where bone healing needs major clinical intervention. Available treatment options have severe drawbacks, such as donor site morbidity and limited availability for autografting. Bone graft substitutes containing growth factors would be a viable alternative, however they have been associated with dose-related safety concerns and lack control over spatial architecture to anatomically match bone defect sites. 3D printing offers a solution to produce patient specific bone graft substitutes that are customized to the patient bone defect with temporal control over the incorporated therapeutics to maximize their efficacy. Inspired by the natural constitution of bone tissue, composites made of inorganic phases, such as nanosilicate particles, calcium phosphate, and bioactive glasses, combined with biopolymer matrices have been investigated as building blocks for the biofabrication of bone constructs. Besides capturing elements of the bone physiological structure, these inorganic/organic composites can be designed for specific cohesivity, rheological and mechanical properties, while both inorganic and organic constituents contribute to the composite bioactivity. This review provides an overview of 3D printed composite biomaterial-inks for bone tissue engineering. Furthermore, key aspects in biomaterial-ink design, 3D printing techniques, and the building blocks for composite biomaterial-inks are summarized.
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Affiliation(s)
- Daphne van der Heide
- AO Research Institute Davos, Clavadelerstrasse, 8, Davos Platz, Davos, Graubünden, 7270, SWITZERLAND
| | - Gianluca Cidonio
- Istituto Italiano di Tecnologia Center for Life Nano Science, 3D Microfluidic Biofabrication Laboratory, Roma, Lazio, 00161, ITALY
| | - Martin Stoddart
- AO Research Institute Davos, Clavadelerstrasse 8, 7270 Davos, Davos, Graubünden, 7270, SWITZERLAND
| | - Matteo D'Este
- AO Research Institute Davos, Clavadelerstrasse 8, Davos, Graubünden, 7270, SWITZERLAND
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Bassand C, Freitag J, Benabed L, Verin J, Siepmann F, Siepmann J. PLGA implants for controlled drug release: Impact of the diameter. Eur J Pharm Biopharm 2022; 177:50-60. [PMID: 35659920 DOI: 10.1016/j.ejpb.2022.05.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022]
Abstract
The aim of this study was to better understand the importance of the diameter of poly(lactic-co-glycolic acid) (PLGA)-based implants on system performance, in particular the control of drug release. Different types of ibuprofen-loaded implants were prepared by hot melt extrusion using a Leistritz Nano 16 twin-screw extruder. Drug release was measured in well agitated phosphate buffer pH7.4 bulk fluid and in agarose gels in Eppendorf tubes or transwell plates. Dynamic changes in the implants' dry & wet mass, volume, polymer molecular weight as well as inner & outer morphology were monitored using gravimetric analysis, optical macroscopy, gel permeation chromatography and scanning electron microscopy. The physical states of the drug and polymer were determined by DSC. Also pH changes in the release medium were investigated. Irrespective of the type of experimental set-up, the resulting absolute and relative drug release rates decreased with increasing implant diameter (0.7 to 2.8 mm). Bi-phasic drug release was observed in all cases from the monolithic solutions (ibuprofen was dissolved in the polymer): A zero order release phase was followed by a final, rapid drug release phase (accounting for 80-90% of the total drug dose). The decrease in the relative drug release rate with increasing system diameter can be explained by the increase in the diffusion pathway lengths to be overcome. Interestingly, also the onset of the final rapid drug release phase was delayed with increasing implant diameter. This can probably be attributed to the higher mechanical stability of thicker devices, offering more resistance to substantial entire system swelling.
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Affiliation(s)
- C Bassand
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - J Freitag
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - L Benabed
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - J Verin
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - F Siepmann
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France
| | - J Siepmann
- Univ. Lille, Inserm, CHU Lille, U1008, F-59000 Lille, France.
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Jin S, Xia X, Huang J, Yuan C, Zuo Y, Li Y, Li J. Recent advances in PLGA-based biomaterials for bone tissue regeneration. Acta Biomater 2021; 127:56-79. [PMID: 33831569 DOI: 10.1016/j.actbio.2021.03.067] [Citation(s) in RCA: 110] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/14/2022]
Abstract
Bone regeneration is an interdisciplinary complex lesson, including but not limited to materials science, biomechanics, immunology, and biology. Having witnessed impressive progress in the past decades in the development of bone substitutes; however, it must be said that the most suitable biomaterial for bone regeneration remains an area of intense debate. Since its discovery, poly (lactic-co-glycolic acid) (PLGA) has been widely used in bone tissue engineering due to its good biocompatibility and adjustable biodegradability. This review systematically covers the past and the most recent advances in developing PLGA-based bone regeneration materials. Taking the different application forms of PLGA-based materials as the starting point, we describe each form's specific application and its corresponding advantages and disadvantages with many examples. We focus on the progress of electrospun nanofibrous scaffolds, three-dimensional (3D) printed scaffolds, microspheres/nanoparticles, hydrogels, multiphasic scaffolds, and stents prepared by other traditional and emerging methods. Finally, we briefly discuss the current limitations and future directions of PLGA-based bone repair materials. STATEMENT OF SIGNIFICANCE: As a key synthetic biopolymer in bone tissue engineering application, the progress of PLGA-based bone substitute is impressive. In this review, we summarized the past and the most recent advances in the development of PLGA-based bone regeneration materials. According to the typical application forms and corresponding crafts of PLGA-based substitutes, we described the development of electrospinning nanofibrous scaffolds, 3D printed scaffolds, microspheres/nanoparticles, hydrogels, multiphasic scaffolds and scaffolds fabricated by other manufacturing process. Finally, we briefly discussed the current limitations and proposed the newly strategy for the design and fabrication of PLGA-based bone materials or devices.
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11
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Ali M, Payne SL. Biomaterial-based cell delivery strategies to promote liver regeneration. Biomater Res 2021; 25:5. [PMID: 33632335 PMCID: PMC7905561 DOI: 10.1186/s40824-021-00206-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/05/2021] [Indexed: 02/08/2023] Open
Abstract
Chronic liver disease and cirrhosis is a widespread and untreatable condition that leads to lifelong impairment and eventual death. The scarcity of liver transplantation options requires the development of new strategies to attenuate disease progression and reestablish liver function by promoting regeneration. Biomaterials are becoming an increasingly promising option to both culture and deliver cells to support in vivo viability and long-term function. There is a wide variety of both natural and synthetic biomaterials that are becoming established as delivery vehicles with their own unique advantages and disadvantages for liver regeneration. We review the latest developments in cell transplantation strategies to promote liver regeneration, with a focus on the use of both natural and synthetic biomaterials for cell culture and delivery. We conclude that future work will need to refine the use of these biomaterials and combine them with novel strategies that recapitulate liver organization and function in order to translate this strategy to clinical use.
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Affiliation(s)
- Maqsood Ali
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, South Korea
| | - Samantha L Payne
- Department of Biomedical Engineering, School of Engineering, Tufts University, Medford, MA, 02155, USA.
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12
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Foresti R, Ghezzi B, Vettori M, Bergonzi L, Attolino S, Rossi S, Tarabella G, Vurro D, von Zeppelin D, Iannotta S, Zappettini A, Macaluso GM, Miragoli M, Maggio MG, Costantino C, Selleri S, Macaluso C. 3D Printed Masks for Powders and Viruses Safety Protection Using Food Grade Polymers: Empirical Tests. Polymers (Basel) 2021; 13:polym13040617. [PMID: 33670792 PMCID: PMC7923032 DOI: 10.3390/polym13040617] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/06/2021] [Accepted: 02/15/2021] [Indexed: 12/16/2022] Open
Abstract
The production of 3D printed safety protection devices (SPD) requires particular attention to the material selection and to the evaluation of mechanical resistance, biological safety and surface roughness related to the accumulation of bacteria and viruses. We explored the possibility to adopt additive manufacturing technologies for the production of respirator masks, responding to the sudden demand of SPDs caused by the emergency scenario of the pandemic spread of SARS-COV-2. In this study, we developed different prototypes of masks, exclusively applying basic additive manufacturing technologies like fused deposition modeling (FDM) and droplet-based precision extrusion deposition (db-PED) to common food packaging materials. We analyzed the resulting mechanical characteristics, biological safety (cell adhesion and viability), surface roughness and resistance to dissolution, before and after the cleaning and disinfection phases. We showed that masks 3D printed with home-grade printing equipment have similar performances compared to the industrial-grade ones, and furthermore we obtained a perfect face fit by customizing their shape. Finally, we developed novel approaches to the additive manufacturing post-processing phases essential to assure human safety in the production of 3D printed custom medical devices.
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Affiliation(s)
- Ruben Foresti
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
- Correspondence: ; Tel.: +39-0521-906-674
| | - Benedetta Ghezzi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
- Center of Dental Medicine, University of Parma, 43126 Parma, Italy
| | | | | | - Silvia Attolino
- Department of Philology, Literature and Linguistics, University of Pisa, 56125 Pisa, Italy;
| | - Stefano Rossi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
| | | | - Davide Vurro
- IMEM-CNR Institute, 43124 Parma, Italy; (D.V.); (S.I.); (A.Z.)
| | | | | | | | - Guido Maria Macaluso
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
- Center of Dental Medicine, University of Parma, 43126 Parma, Italy
- IMEM-CNR Institute, 43124 Parma, Italy; (D.V.); (S.I.); (A.Z.)
| | - Michele Miragoli
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
- Humanitas Clinical and Research Center—IRCCS, 20089 Rozzano, Italy
- CERT, Centre of Excellence for Toxicology Research, University of Parma, 43126 Parma, Italy
| | - Marcello Giuseppe Maggio
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
| | - Cosimo Costantino
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
| | - Stefano Selleri
- Department of Engineering and Architecture, University of Parma, 43125 Parma, Italy;
| | - Claudio Macaluso
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (B.G.); (S.R.); (G.M.M.); (M.M.); (M.G.M.); (C.C.); (C.M.)
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13
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Hong JKY, Schwendeman SP. Characterization of Octreotide-PLGA Binding by Isothermal Titration Calorimetry. Biomacromolecules 2020; 21:4087-4093. [PMID: 32885949 DOI: 10.1021/acs.biomac.0c00885] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Cationic peptides are well known to readily bind poly(lactic-co-glycolic acids) (PLGAs) with a carboxylic acid (-COOH) end group, which poses a significant challenge to develop PLGA-based delivery systems for peptide therapeutics. This binding has been considered as a critical step leading to the peptide acylation within PLGA-based formulations, which is also known to affect microencapsulation and release. Herein, we utilized nano isothermal titration calorimetry (NanoITC) to investigate the thermodynamics of peptide-PLGA binding in dimethyl sulfoxide (DMSO) using a model cationic octapeptide, octreotide, which contains two primary amino groups located at its N-terminus and lysine side chain at position five. ITC results of PLGAs with different lactic acid to glycolic acid ratios (50:50 to 100:0) revealed that the extent of the interaction with the octreotide was solely dependent on the availability of the acid end group of the PLGA. The binding constants (Ka) at 37 °C were determined in a narrow range from 1.33 to 1.72 × 104 M-1 with 0.59 to 0.66 binding stoichiometries irrespective of the lactic/glycolic acid ratio in the PLGA-COOH. Over 25-65 °C, the octreotide-PLGA-COOH interactions were found to be enthalpically favored (ΔH < 0) and entropically unfavorable (ΔS < 0). Hence, the interactions were characterized as enthalpically driven. At different sodium chloride (NaCl) levels, the sensitivity of thermodynamics of the interactions to the charge screening effect contributed by the NaCl unveiled the actual driving force of the octreotide-PLGA-COOH interactions is simple ion-pairing.
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Affiliation(s)
- Justin K Y Hong
- Department of Pharmaceutical Sciences, The Biointerfaces Institute, University of Michigan, 2800 Plymouth Rd, Ann Arbor, Michigan 48109, United States
| | - Steven P Schwendeman
- Department of Pharmaceutical Sciences, The Biointerfaces Institute, University of Michigan, 2800 Plymouth Rd, Ann Arbor, Michigan 48109, United States.,Department of Biomedical Engineering, University of Michigan, 2200 Bonisteel Blvd, Ann Arbor, Michigan 48109, United States
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14
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Tian W, Li Z, Wu L. Experimental demonstration of a microwave non-thermal effect in DMSO-NaCl aqueous solution. Chem Phys 2020. [DOI: 10.1016/j.chemphys.2019.110523] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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15
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Nikolova MP, Chavali MS. Recent advances in biomaterials for 3D scaffolds: A review. Bioact Mater 2019; 4:271-292. [PMID: 31709311 PMCID: PMC6829098 DOI: 10.1016/j.bioactmat.2019.10.005] [Citation(s) in RCA: 411] [Impact Index Per Article: 82.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/07/2019] [Accepted: 10/15/2019] [Indexed: 02/06/2023] Open
Abstract
Considering the advantages and disadvantages of biomaterials used for the production of 3D scaffolds for tissue engineering, new strategies for designing advanced functional biomimetic structures have been reviewed. We offer a comprehensive summary of recent trends in development of single- (metal, ceramics and polymers), composite-type and cell-laden scaffolds that in addition to mechanical support, promote simultaneous tissue growth, and deliver different molecules (growth factors, cytokines, bioactive ions, genes, drugs, antibiotics, etc.) or cells with therapeutic or facilitating regeneration effect. The paper briefly focuses on divers 3D bioprinting constructs and the challenges they face. Based on their application in hard and soft tissue engineering, in vitro and in vivo effects triggered by the structural and biological functionalized biomaterials are underlined. The authors discuss the future outlook for the development of bioactive scaffolds that could pave the way for their successful imposing in clinical therapy.
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Affiliation(s)
- Maria P. Nikolova
- Department of Material Science and Technology, University of Ruse “A. Kanchev”, 8 Studentska Str., 7000, Ruse, Bulgaria
| | - Murthy S. Chavali
- Shree Velagapudi Ramakrishna Memorial College (PG Studies, Autonomous), Nagaram, 522268, Guntur District, India
- PG Department of Chemistry, Dharma Appa Rao College, Nuzvid, 521201, Krishna District, India
- MCETRC, Tenali, 522201, Guntur District, Andhra Pradesh, India
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Guo JL, Kim YS, Mikos AG. Biomacromolecules for Tissue Engineering: Emerging Biomimetic Strategies. Biomacromolecules 2019; 20:2904-2912. [PMID: 31282658 DOI: 10.1021/acs.biomac.9b00792] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Biomacromolecules used for tissue engineering must possess either inherent biochemical cues for tissue regeneration or be chemically modified to incorporate bioactive, tissue-specific moieties. To this end, many strategies have emerged recently in the field to both utilize novel bioinspired macromolecules for tissue engineering and apply bioconjugation strategies for the functionalization of biomacromolecules with tissue-specific cues and other biological properties of interest. Furthermore, biomacromolecules have been processed into more highly biomimetic and clinically deliverable scaffold and hydrogel systems using 3D printing and the fabrication of in situ forming hydrogels, respectively. To support these advances, tissue engineers have also pursued greater spatiotemporal control over macromolecular bioactivity and the modulation of scaffold and hydrogel properties in response to both physiological and external stimuli. This Perspective thus highlights a few notable advances and techniques in the usage of biomacromolecules for tissue engineering applications, including new bioinspired macromolecules, advanced hydrogel and scaffold fabrication techniques, and spatiotemporal control over biomacromolecule constructs.
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Affiliation(s)
- Jason L Guo
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
| | - Yu Seon Kim
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
| | - Antonios G Mikos
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
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