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Shafizadeh S, Heydari P, Zargar Kharazi A, Shariati L. Coaxial electrospun PGS/PCL and PGS/PGS-PCL nanofibrous membrane containing platelet-rich plasma for skin tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:482-500. [PMID: 38190321 DOI: 10.1080/09205063.2023.2299073] [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: 09/13/2023] [Accepted: 12/18/2023] [Indexed: 01/10/2024]
Abstract
Wound healing will be enhanced using structures with therapeutic effects. This study fabricated a novel nanofibrous scaffold for skin tissue regeneration using a coaxial structure polyglycerol sebacate (PGS)/platelet-rich plasma (PRP) was embedded in the core and two different compositions were selected for the shell; in one group, polycaprolactone (PCL), and in the other group, PGS/PCL blend was used. The physical, mechanical behavior, drug delivery patterns, and cell response of scaffolds were evaluated. Results revealed that by adding PRP to the core and PGS to the shell, fiber diameters decreased to 260.8 ± 31.3 nm. It also decreased the water contact angle from 66° to 32°, that is ideal candidate for cell attachment. The drug release showed a burst release pattern in the first 30 min, followed by a continuous and slow release during the first day. Adding PGS to the shell decreased the elastic modulus, and its value reached about 500 kPa, which is near the skin elastic modulus and will lead to greater mechanical compatibility for cell proliferation. Particularly, the addition of PRP to the fiber structure enhanced the cell viability and cell adhesion with a suitable morphology. Based on the results, nanofibrous PGS-PRP/PGS-PCL dressing can enhance skin tissue regeneration.
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Affiliation(s)
- Shima Shafizadeh
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parisa Heydari
- Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Anousheh Zargar Kharazi
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Laleh Shariati
- Biomaterials Nanotechnology and Tissue Engineering Faculty, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Biosensor Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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2
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Dai Y, Lu T, Li L, Zhang F, Xu H, Li H, Wang W, Shao M, Lyu F. Electrospun Composite PLLA-PPSB Nanofiber Nerve Conduits for Peripheral Nerve Defects Repair and Regeneration. Adv Healthc Mater 2024; 13:e2303539. [PMID: 38233357 DOI: 10.1002/adhm.202303539] [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: 10/15/2023] [Revised: 12/24/2023] [Indexed: 01/19/2024]
Abstract
Peripheral nerve injury (PNI) is a common clinical problem and regenerating peripheral nerve defects remain a significant challenge. Poly(polyol sebacate) (PPS) polymers are developed as promising materials for biomedical applications due to their biodegradability, biocompatibility, elastomeric properties, and ease of production. However, the application of PPS-based biomaterials in nerve tissue engineering, especially in PNI repair, is limited. In this study, PPS-based composite nanofibers poly(l-lactic acid)-poly(polycaprolactone triol-co-sebacic acid-co-N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt) (PLLA-PPSB) are aimed to construct through electrospinning and assess their in vitro biocompatibility with Schwann cells (SCs) and in vivo repair capabilities for peripheral nerve defects. For the first time, the biocompatibility and bioactivity of PPS-based nanomaterial are examined at the molecular, cellular, and animal levels for PNI repair. Electrospun PLLA-PPSB nanofibers display favorable physicochemical properties and biocompatibility, providing an effective interface for the proliferation, glial expression, and adhesion of SCs in vitro. In vivo experiments using a 10-mm rat sciatic nerve defect model show that PLLA-PPSB nanofiber nerve conduits enhance myelin formation, axonal regeneration, angiogenesis, and functional recovery. Transcriptome analysis and biological validation indicate that PLLA-PPSB nanofibers may promote SC proliferation by activating the PI3K/Akt signaling pathway. This suggests the promising potential of PLLA-PPSB nanomaterial for PNI repair.
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Affiliation(s)
- Yuan Dai
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Tingwei Lu
- Center of Craniofacial Orthodontics, Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 210000, China
| | - Linli Li
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Fan Zhang
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Haocheng Xu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Hailong Li
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, Shanghai, 200240, China
| | - Weizhong Wang
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, China
| | - Minghao Shao
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Feizhou Lyu
- Department of Orthopedics, Huashan Hospital, Fudan University, Shanghai, 200040, China
- Department of Orthopedics, Shanghai Fifth People's Hospital, Fudan University, Shanghai, 200240, China
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3
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Bice MLL, Ortega VL, Yu MH, McHugh KJ. Methacrylated poly(glycerol sebacate) as a photocurable, biocompatible, and biodegradable polymer with tunable degradation and drug release kinetics. RESEARCH SQUARE 2023:rs.3.rs-3384762. [PMID: 37886600 PMCID: PMC10602112 DOI: 10.21203/rs.3.rs-3384762/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Poly(glycerol sebacate) (PGS) is a biodegradable, elastomeric polymer that has been explored for applications ranging from tissue engineering to drug delivery and wound repair. Despite its promise, its biomedical utility is limited by its rapid, and largely fixed, degradation rate. Additionally, its preparation requires high temperatures for long periods of time, rendering it incompatible with heat-sensitive molecules, complex device geometries, and high-throughput production. In this study, we synthesized methacrylated PGS (PGS-M), imparting the ability to rapidly photocross-link the polymer. Increasing the degree of methacrylation was found to slow PGS-M degradation; PGS-M (5.5 kDa) disks with 21% methacrylation lost 43% of their mass over 11 weeks in vivo whereas 47% methacrylated disks lost just 14% of their mass over the same period. Increasing the methacrylation also extended the release of encapsulated daunorubicin by up to two orders of magnitude in vitro, releasing drug over months instead of one week. Like PGS, PGS-M exhibited good biocompatibility, eliciting limited inflammation and fibrous encapsulation when implanted subcutaneously. These studies are the first to perform long-term studies demonstrating the ability to tune PGS-M degradation rate, use PGS-M to release drug, demonstrate sustained release of drug from PGS-M, and evaluate PGS-M behavior in vivo. Taken together, these studies show that PGS-M offers several key advantages over PGS for drug delivery and tissue engineering, including rapid curing, facile loading of drugs without exposure to heat, tunable degradation rates, and tunable release kinetics, all while retaining the favorable biocompatibility of PGS.
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4
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Lim JI. Bio-Physical Properties of Acetylated Chitosan/Poly(ɛ-Caprolactone) Composites for Three-Dimensional Printing Material Applications. 3D PRINTING AND ADDITIVE MANUFACTURING 2023; 10:1072-1079. [PMID: 37886411 PMCID: PMC10599435 DOI: 10.1089/3dp.2022.0047] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
For three-dimensional (3D) printing material applications in tissue engineering, acetylated chitosan (AC)/poly(ɛ-caprolactone) (PCL) composites were prepared by the melt mixing method using the acetylation of chitosan with PCL. The physiochemical properties of the AC/PCL composites were examined by measuring the water contact angles, dispersity of AC on the cross-section using scanning electron microscopy, and temperature stability. In addition, mechanical properties such as tensile strength and bending stress recovery were measured to determine the elasticity of the composite films. The fibroblast cell line NIH-3T3 was used to test the relative cell affinities based on the AC content and cell viability on AC/PCL at various temperatures. There was no difference between the melting points and tensile strengths of the AC/PCL composites and pure PCL. Overall, the AC/PCL composites showed high initial cell adhesion after 4 h of cell culture and increased cell proliferation compared to those of PCL composites used as a control. Based on these tests, an AC of 10.7 wt% was determined to be the optimal composition for the AC/PCL composite. Thus, these composites can be used in various 3D printing material applications in tissue engineering.
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Affiliation(s)
- Jin Ik Lim
- Department of Chemical Engineering, College of Engineering, Dankook University, Yongin-si, Republic of Korea
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5
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Wu Z, Jin K, Wang L, Fan Y. Effect of curing time on the mechanical properties of poly(glycerol sebacate). J Appl Polym Sci 2023. [DOI: 10.1002/app.53700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Affiliation(s)
- Zebin Wu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering Beihang University Beijing China
| | - Kaixiang Jin
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering Beihang University Beijing China
| | - Lizhen Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering Beihang University Beijing China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering Beihang University Beijing China
- School of Engineering Medicine Beihang University Beijing China
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6
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Guler S, Eichholz K, Chariyev-Prinz F, Pitacco P, Aydin HM, Kelly DJ, Vargel İ. Biofabrication of Poly(glycerol sebacate) Scaffolds Functionalized with a Decellularized Bone Extracellular Matrix for Bone Tissue Engineering. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 10:bioengineering10010030. [PMID: 36671602 PMCID: PMC9854839 DOI: 10.3390/bioengineering10010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/29/2022]
Abstract
The microarchitecture of bone tissue engineering (BTE) scaffolds has been shown to have a direct effect on the osteogenesis of mesenchymal stem cells (MSCs) and bone tissue regeneration. Poly(glycerol sebacate) (PGS) is a promising polymer that can be tailored to have specific mechanical properties, as well as be used to create microenvironments that are relevant in the context of BTE applications. In this study, we utilized PGS elastomer for the fabrication of a biocompatible and bioactive scaffold for BTE, with tissue-specific cues and a suitable microstructure for the osteogenic lineage commitment of MSCs. In order to achieve this, the PGS was functionalized with a decellularized bone (deB) extracellular matrix (ECM) (14% and 28% by weight) to enhance its osteoinductive potential. Two different pore sizes were fabricated (small: 100-150 μm and large: 250-355 μm) to determine a preferred pore size for in vitro osteogenesis. The decellularized bone ECM functionalization of the PGS not only improved initial cell attachment and osteogenesis but also enhanced the mechanical strength of the scaffold by up to 165 kPa. Furthermore, the constructs were also successfully tailored with an enhanced degradation rate/pH change and wettability. The highest bone-inserted small-pore scaffold had a 12% endpoint weight loss, and the pH was measured at around 7.14. The in vitro osteogenic differentiation of the MSCs in the PGS-deB blends revealed a better lineage commitment of the small-pore-sized and 28% (w/w) bone-inserted scaffolds, as evidenced by calcium quantification, ALP expression, and alizarin red staining. This study demonstrates a suitable pore size and amount of decellularized bone ECM for osteoinduction via precisely tailored PGS elastomer BTE scaffolds.
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Affiliation(s)
- Selcan Guler
- Bioengineering Division, Institute of Science and Engineering, Hacettepe University, 06800 Ankara, Turkey
| | - Kian Eichholz
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02 R590 Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, D02 R590 Dublin, Ireland
| | - Farhad Chariyev-Prinz
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02 R590 Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, D02 R590 Dublin, Ireland
| | - Pierluca Pitacco
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02 R590 Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, D02 R590 Dublin, Ireland
| | - Halil Murat Aydin
- Bioengineering Division, Institute of Science and Engineering, Hacettepe University, 06800 Ankara, Turkey
| | - Daniel J. Kelly
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, D02 R590 Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, D02 R590 Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, D02 F6N2 Dublin, Ireland
- Department of Anatomy, Royal College of Surgeons in Ireland, D02 YN77 Dublin, Ireland
| | - İbrahim Vargel
- Bioengineering Division, Institute of Science and Engineering, Hacettepe University, 06800 Ankara, Turkey
- Department of Plastic and Reconstructive Surgery, Hacettepe University Hospitals, 06230 Ankara, Turkey
- Correspondence:
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Aleemardani M, Trikić MZ, Green NH, Claeyssens F. Elastomeric, bioadhesive and pH-responsive amphiphilic copolymers based on direct crosslinking of poly(glycerol sebacate)- co-polyethylene glycol. Biomater Sci 2022; 10:7015-7031. [PMID: 36342181 DOI: 10.1039/d2bm01335e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Poly(glycerol sebacate) (PGS), a synthetic biorubber, is characterised by its biocompatibility, high elasticity and tunable mechanical properties; however, its inherent hydrophobicity and insolubility in water make it unsuitable for use in advanced biomaterials like hydrogels fabrication. Here, we developed new hydrophilic PGS-based copolymers that enable hydrogel formation through use of two different types of polyethylene glycol (PEG), polyethylene glycol (PEG2) or glycerol ethoxylate (PEG3), combined at different ratios. A two-step polycondensation reaction was used to produce poly(glycerol sebacate)-co-polyethylene glycol (PGS-co-PEG) copolymers that were then crosslinked thermally without the use of initiators or crosslinkers, resulting in PGS-co-PEG2 and PGS-co-PEG3 amphiphilic polymers. It has been illustrated that the properties of PGS-co-PEG copolymers can be controlled by altering the type and amount of PEG. PGS-co-PEG copolymers containing PEG ≥ 40% showed high swelling, flexibility, stretching, bioadhesion and biocompatibility, and good enzymatic degradation and mechanical properties. Also, the addition of PEG created hydrogels that demonstrated pH-responsive behaviours, which can be used for bioapplications requiring responding to physicochemical dynamics. Interestingly, PGS-co-40PEG2 and PGS-co-60PEG3 had the highest shear strengths, 340.4 ± 49.7 kPa and 336.0 ± 35.1 kPa, and these are within the range of commercially available sealants or bioglues. Due to the versatile multifunctionalities of these new copolymer hydrogels, they can have great potential in soft tissue engineering and biomedicine.
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Affiliation(s)
- Mina Aleemardani
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK. .,Insigneo Institute for in Silico Medicine, The Pam Liversidge Building, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK
| | - Michael Zivojin Trikić
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK.
| | - Nicola Helen Green
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK. .,Insigneo Institute for in Silico Medicine, The Pam Liversidge Building, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK
| | - Frederik Claeyssens
- Biomaterials and Tissue Engineering Group, Department of Materials Science and Engineering, Kroto Research Institute, The University of Sheffield, Sheffield S3 7HQ, UK. .,Insigneo Institute for in Silico Medicine, The Pam Liversidge Building, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UK
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8
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Yu L, Zeng G, Xu J, Han M, Wang Z, Li T, Long M, Wang L, Huang W, Wu Y. Development of Poly(Glycerol Sebacate) and Its Derivatives: A Review of the Progress over the past Two Decades. POLYM REV 2022. [DOI: 10.1080/15583724.2022.2150774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Liu Yu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Guanjie Zeng
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jie Xu
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Mingying Han
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Zihan Wang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Ting Li
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Meng Long
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Ling Wang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Wenhua Huang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yaobin Wu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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9
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Godinho B, Gama N, Ferreira A. Different methods of synthesizing poly(glycerol sebacate) (PGS): A review. Front Bioeng Biotechnol 2022; 10:1033827. [PMID: 36532580 PMCID: PMC9748623 DOI: 10.3389/fbioe.2022.1033827] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 11/10/2022] [Indexed: 08/24/2023] Open
Abstract
Poly(glycerol sebacate) (PGS) is a biodegradable elastomer that has attracted increasing attention as a potential material for applications in biological tissue engineering. The conventional method of synthesis, first described in 2002, is based on the polycondensation of glycerol and sebacic acid, but it is a time-consuming and energy-intensive process. In recent years, new approaches for producing PGS, PGS blends, and PGS copolymers have been reported to not only reduce the time and energy required to obtain the final material but also to adjust the properties and processability of the PGS-based materials based on the desired applications. This review compiles more than 20 years of PGS synthesis reports, reported inconsistencies, and proposed alternatives to more rapidly produce PGS polymer structures or PGS derivatives with tailor-made properties. Synthesis conditions such as temperature, reaction time, reagent ratio, atmosphere, catalysts, microwave-assisted synthesis, and PGS modifications (urethane and acrylate groups, blends, and copolymers) were revisited to present and discuss the diverse alternatives to produce and adapt PGS.
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Affiliation(s)
- Bruno Godinho
- CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Nuno Gama
- CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Artur Ferreira
- CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
- ESTGA-Águeda School of Technology and Management, Águeda, Portugal
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10
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Yousefi Talouki P, Tamimi R, Zamanlui Benisi S, Goodarzi V, Shojaei S, Hesami tackalou S, Samadikhah HR. Polyglycerol sebacate (PGS)-based composite and nanocomposites: properties and applications. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2097681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Affiliation(s)
- Pardis Yousefi Talouki
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran
| | - Reyhaneh Tamimi
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Soheila Zamanlui Benisi
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran
- Stem cell Research Center, Tissue Engineering and Regenerative Medicine Institute, Central Tehran Branch, Islamic Azad University, Tehran 13185/768, Iran
| | - Vahabodin Goodarzi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, P.O. Box 19945-546, Tehran, Iran
| | - Shahrokh Shojaei
- Department of Biomedical Engineering, Islamic Azad University, Central Tehran Branch, Tehran, Iran
- Stem cell Research Center, Tissue Engineering and Regenerative Medicine Institute, Central Tehran Branch, Islamic Azad University, Tehran 13185/768, Iran
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11
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Seyfikar S, Asgharnejad-laskoukalayeha M, Hassan Jafari S, Goodarzi V, Hadi Salehi M, Zamanlui S. Introducing a New Approach to Preparing Bionanocomposite Sponges Based on Poly (glycerol sebacate urethane) (PGSU) with Great Interconnectivity and High Hydrophilicity Properties for Application in Tissue Engineering. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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12
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Tevlek A, Topuz B, Akbay E, Aydin HM. Surface channel patterned and endothelialized poly(glycerol sebacate) based elastomers. J Biomater Appl 2022; 37:287-302. [DOI: 10.1177/08853282221085798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Prevascularization of tissue equivalents is critical for fulfilling the need for sufficient vascular organization for nutrient and gas transport. Hence, endothelial cell culture on biomaterials is of great importance for researchers. Numerous alternate strategies have been suggested in this sense, with cell-based methods being the most commonly employed. In this study, poly (glycerol sebacate) (PGS) elastomers with varying crosslinking ratios were synthesized and their surfaces were patterned with channels by using laser ablation technique. In order to determine an ideal material for cell culture studies, the elastomers were subsequently mechanically, chemically, and biologically characterized. Following that, human umbilical vein endothelial cells (HUVECs) were seeded into the channels established on the PGS membranes and cultured under various culture conditions to establish the optimal culture parameters. Lastly, the endothelial cell responses to the synthesized PGS elastomers were evaluated. Remarkable cell proliferation and impressive cellular organizations were noticed on the constructs created as part of the investigation. On the concrete output of this research, arrangements in various geometries can be created by laser ablation method and the effects of various molecules, drugs or agents on endothelial cells can be evaluated. The platforms produced can be employed as an intermediate biomaterial layer containing endothelial cells for vascularization of tissue-engineered structures, particularly in layer-by-layer tissue engineering approaches.
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Affiliation(s)
- Atakan Tevlek
- Institute of Science, Bioengineering Division, Hacettepe University, Ankara, Turkey
| | - Bengisu Topuz
- Institute of Science, Bioengineering Division, Hacettepe University, Ankara, Turkey
| | - Esin Akbay
- Faculty of Science, Department of Biology, Hacettepe University, Ankara, Turkey
| | - Halil Murat Aydin
- Institute of Science, Bioengineering Division, Hacettepe University, Ankara, Turkey
- Centre for Bioengineering, Hacettepe University, Ankara, Turkey§Current Affiliation: METU MEMS Center, Ankara, Turkey
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13
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Xiong F, Wei S, Sheng H, Han X, Jiang W, Zhang Z, Li B, Xuan H, Xue Y, Yuan H. In situ polydopamine functionalized poly-L-lactic acid nanofibers with near-infrared-triggered antibacterial and reactive oxygen species scavenging capability. Int J Biol Macromol 2022; 201:338-350. [PMID: 35032490 DOI: 10.1016/j.ijbiomac.2022.01.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/19/2021] [Accepted: 01/06/2022] [Indexed: 12/19/2022]
Abstract
The development of a new multi-functional poly(L)-lactide (PLLA) nanofibrous scaffold with excellent antibacterial and reactive oxygen species (ROS) scavenging capability is quite important in tissue engineering. In this study, polydopamine (PDA)/PLLA nanofibers were prepared by combining electrospinning and post in-situ polymerization. The post in-situ polymerization of PDA on the PLLA nanofiber enable PDA uniformly distribute on PLLA nanofiber surface. PDA/PLLA nanofibrous composites also achieved stronger mechanical strength, hydrophilicity, good oxidation resistance and enhanced near-infrared photothermal effect. The near-infrared photothermal effect from PDA made the PDA/PLLA a good antibacterial material. The in vitro ROS scavenging ability of the PDA made PDA/PLLA be beneficial to damaged tissue repair. These results indicate that PDA/PLLA nanofibrous scaffold can be used as a tissue engineering scaffold material with versatile biomedical applications.
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Affiliation(s)
- Feng Xiong
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Shuo Wei
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Han Sheng
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Xiang Han
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Wei Jiang
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Zhuojun Zhang
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Biyun Li
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Hongyun Xuan
- School of Life Sciences, Nantong University, 226019 Nantong, China
| | - Ye Xue
- School of Life Sciences, Nantong University, 226019 Nantong, China.
| | - Huihua Yuan
- School of Life Sciences, Nantong University, 226019 Nantong, China.
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14
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Yoon S, Chen B. Modulating the Properties of Poly(glycerol sebacate)-Based Polyurethane Hydrogels Using an Organoclay. ACS Biomater Sci Eng 2022; 8:786-800. [PMID: 35006684 DOI: 10.1021/acsbiomaterials.1c01279] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Elastomeric hydrogels are promising in soft tissue applications due to their biomimetic mechanical and physical behaviors. In this study, we design and synthesize a poly(glycerol sebacate)-based polyurethane-clay nanocomposite hydrogel system with controllable mechanical, swelling, drug release, and biodegradation behaviors. The polymer-clay nanocomposites are synthesized by in situ polymerization in the presence of a solvent, which facilitates the dispersion of clay within the polymer matrix and their bonding. The nanocomposite hydrogels exhibit higher water swelling ratios in comparison to the neat polymer. The fully swollen hydrogels are capable of enduring complex mechanical deformations such as stretching and knotting, while the tensile moduli of the hydrogels mimic various soft tissues in human body. The mechanical behavior of hydrogels is significantly enhanced by the addition of no more than 3 phr clay, showing higher stiffness, strength, ductility, and toughness. The drug loading and release behavior of the hydrogels is investigated with three model drugs, showing selective drug loading capacity and sustained release, based on the Coulombic interaction between the clay and drug molecules. Biodegradation tests under a simulated body condition reveal a highly tunable degradation rate by the clay content in the nanocomposite hydrogels. Good cytocompatibility by the cell metabolic assay with mouse fibroblasts in vitro is also demonstrated. Finally, three-dimensional microporous foam is manufactured as a proof-of-concept study.
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Affiliation(s)
- Sungkwon Yoon
- School of Mechanical and Aerospace Engineering, Queen's University Belfast, Stranmillis Road, Belfast BT9 5AH, U.K.,Department of Materials Science and Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, U.K
| | - Biqiong Chen
- School of Mechanical and Aerospace Engineering, Queen's University Belfast, Stranmillis Road, Belfast BT9 5AH, U.K
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15
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Ning Z, Lang K, Xia K, Linhardt RJ, Gross RA. Lipase-Catalyzed Synthesis and Characterization of Poly(glycerol sebacate). Biomacromolecules 2021; 23:398-408. [PMID: 34936341 DOI: 10.1021/acs.biomac.1c01351] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study demonstrated that immobilized Candida antarctica lipase B (N435) catalysis in bulk leads to higher molecular weight poly(glycerol sebacate), PGS, than self-catalyzed condensation polymerization. Since the glass-transition temperature, fragility, modulus, and strength for rubbery networks are inversely dependent on the concentration of chain ends, higher molecular weight PGS prepolymers will enable the preparation of cross-linked PGS matrices with unique mechanical properties. The evolution of molecular species during the prepolymerization step conducted at 120 °C for 24 h, prior to enzyme addition, revealed regular decreases in sebacic acid and glycerol-sebacate dimer with corresponding increases in oligomers with chain lengths from 3 to 7 units such that a homogeneous liquid substrate has resulted. At 67 h, for N435-catalyzed PGS synthesis, the carboxylic acid conversion reached 82% without formation of a gel fraction, and number-average molecular weight (Mn) and weight-average molecular weight (Mw) values reached 6000 and 59 400 g/mol, respectively. In contrast, self-catalyzed PGS condensation polymerizations required termination at 55 h to avoid gelation, reached 72% conversion, and Mn and Mw values of 2600 and 13 800 g/mol, respectively. We also report the extent that solvent fractionation can enrich PGS in higher molecular weight chains. The use of methanol as a nonsolvent increased Mn and Mw by 131.7 and 18.3%, respectively, and narrower dispersity (Đ) decreased by 47.7% relative to the nonfractionated product.
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Affiliation(s)
- Zhuoyuan Ning
- Department of Chemistry and Chemical Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, Henan, P. R. China
| | - Kening Lang
- Department of Chemistry and Chemical Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Ke Xia
- Department of Chemistry and Chemical Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Robert J Linhardt
- Department of Chemistry and Chemical Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Biomedical Engineering and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
| | - Richard A Gross
- Department of Chemistry and Chemical Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Chemical and Biological Engineering and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Biomedical Engineering and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States.,Department of Biology and Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
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16
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Sha D, Wu Z, Zhang J, Ma Y, Yang Z, Yuan Y. Development of modified and multifunctional poly(glycerol sebacate) (PGS)-based biomaterials for biomedical applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110830] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Nguyen HTN, Vu NB. A Simple Method to Produce Engineered Cartilage from Human Adipose-Derived Mesenchymal Stem Cells and Poly ε-Caprolactone Scaffolds. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021:181-191. [PMID: 34739719 DOI: 10.1007/5584_2021_669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
INTRODUCTION The damaged articular cartilage has limited self-regeneration capacity because of the absence of blood vessels, lymphatics, and nerves. Cartilage transplantation is, hence, a popular method used to treat this disease. However, sources of autograft and allogenic cartilage for transplantation are limited. Therefore, this study aims to suggest a simple method to produce engineered cartilage from human adipose-derived mesenchymal stem cells (ADSCs) and poly (ε-caprolactone) (PCL) scaffolds. METHODS ADSCs were isolated and expanded from fat tissues according to published protocols. PCL-porous scaffolds were produced from PCL with 5 × 5 × 0.6 mm3 with 200-400 μ m pore sizes. ADSCs were seeded on the PCL scaffolds at three different densities (104, 105, 106 cells per scaffold). The adherence of ADSCs on the surface of PCL scaffolds was evaluated based on an immunostaining assay to determine the presence of ADSCs. The cell proliferation on PCL scaffolds was determined by MTT assay. The complexity in ADSCs and PCL scaffolds was induced to cartilage using a chondrogenesis medium. The engineered cartilage was characterized by the accumulation of proteoglycan and aggrecan by Safranin O staining assay. Their structures were evaluated using an H-E staining assay. Finally, these engineered cartilage tissues were transplanted into mice to assess cartilage maturation when compared to natural cartilage. RESULTS The results showed that the engineered cartilage tissues could be successfully produced by cultures of ADSCs on poly ε-caprolactone scaffolds in combination with chondrogenesis medium. The suitable density of ADSCs was 106 cells/per scaffold of 5 × 6 × 0.6 mm3 with pore size from 200 to 400 μ m. CONCLUSION The results showed that an in vitro cartilage tissue was created from ADSCs and PCL scaffold. The cartilage tissue exists in the mice for 6 months.
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Affiliation(s)
- Hue Thi-Ngoc Nguyen
- Stem Cell Institute, University of Science, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Ngoc Bich Vu
- Stem Cell Institute, University of Science, Ho Chi Minh City, Vietnam.
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
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18
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Farjaminejad S, Shojaei S, Goodarzi V, Ali Khonakdar H, Abdouss M. Tuning properties of bio-rubbers and its nanocomposites with addition of succinic acid and ɛ-caprolactone monomers to poly(glycerol sebacic acid) as main platform for application in tissue engineering. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110711] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Ray S, Adelnia H, Ta HT. Collagen and the effect of poly-l-lactic acid based materials on its synthesis. Biomater Sci 2021; 9:5714-5731. [PMID: 34296717 DOI: 10.1039/d1bm00516b] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Collagen is an important protein in various biological functions such as providing elasticity and waterproofing to the skin, structural stability to the cells in connective tissues (e.g. tendons, and bone) and stabilisation of atherosclerotic plaques. Collagen as a peptide with a peculiar triple helical structure is majorly composed of glycine and proline amino acids and is synthesised by fibroblasts via intracellular and extracellular mechanisms. Collagen plays an important role in wound healing, bone repair and plaque build-up during atherosclerosis. Various factors such as interleukins, insulin-like growth factor-I, nicotine, and glucose have been shown to influence collagen synthesis. This paper provides an overview of collagen structure, synthesis mechanisms, and the parameters that stimulate those mechanisms. Poly-l-lactic acid as a well-known biocompatible and biodegradable polymer has proved to stimulate collagen synthesis in various physical forms. As such, in this review special emphasis is laid on the effects of poly-l-lactic acid as well as its mechanism of action on collagen synthesis.
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Affiliation(s)
- Subarna Ray
- Queensland Micro- and Nanotechnology Centre, Griffith University, Brisbane, 4111, Queensland, Australia.
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20
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Mokhtari N, Zargar Kharazi A. Blood compatibility and cell response improvement of poly glycerol sebacate/poly lactic acid scaffold for vascular graft applications. J Biomed Mater Res A 2021; 109:2673-2684. [PMID: 34228399 DOI: 10.1002/jbm.a.37259] [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] [Received: 05/10/2020] [Revised: 06/20/2021] [Accepted: 06/22/2021] [Indexed: 11/10/2022]
Abstract
Plasma surface modification is one of the new methods for improving the surface properties of the scaffold and accelerating tissue regeneration. The aim of this study was to create poly glycerol sebacate/poly lactic acid (PGS/PLA) composite scaffold by electrospun method and modified the scaffold by oxygen plasma for use as a vascular graft. Plasma surface modified PGS/PLA scaffold morphology study showed relatively uniform fibers with an average diameter of 637 ± 149.4 nm and porosity of 82%. The mechanical evaluation of the PGS/PLA scaffold showed properties close to the natural vessels. Atomic force microscopy images exhibited an increase in the roughness of the scaffold after plasma surface modification; however, hemocompatibility studies revealed that it had no adverse effect on blood compatibility. Wettability studies revealed the superhydrophilic property of the modified scaffold (contact angle near to zero). Besides, the human umbilical vein endothelial cells proliferation and adhesion were improved significantly. Obtaining mechanical properties near to the natural vessels due to the suitable composition and significant improvement in blood compatibility and cell growth make the modified PGS/PLA composite a suitable candidate for vascular tissue regeneration.
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Affiliation(s)
- Niloofar Mokhtari
- Tissue Engineering Group, Department of Materials Engineering, Islamic Azad University Najafabad Branch, Isfahan, Iran
| | - Anousheh Zargar Kharazi
- Biomaterials Nanotechnology and Tissue Engineering faculty, School of Advanced Medical Technology, Isfahan University of Medical Sciences, Isfahan, Iran.,Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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21
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Chen H, Wang X, Wang J, Shi X, Li X, Wang J, Li D, Zhu Y, Tan W, Tan Z. In vitroadipogenesis and long-term adipocyte culture in adipose tissue-derived cell banks. Biofabrication 2021; 13. [PMID: 34044385 DOI: 10.1088/1758-5090/ac0610] [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: 10/19/2020] [Accepted: 05/27/2021] [Indexed: 11/12/2022]
Abstract
There is a critical need to developin vitroculture systems appropriate for the expansion of adipose tissue, in order to gain new insights into metabolic diseases and to assist in the restoration of tissue defects. Conventional two- or three-dimensional (2D or 3D)in vitromodels of adipocytes require a combination of supplements to induce adipocyte maturation that greatly increases the cost of large-scale industrial production. In the present study, a microporous, perforated bacterial cellulose (BC)-assisted culture system was developed that promoted the adhesion, proliferation, and adipogenic differentiation of preadipocytes. Additionally, the system maintained the cells as mature unilocular adipocytesex vivoin normal cell culture medium in long-term culture. All cells were derived from isolated adipose tissue without the use of expensive enzymes for tissue digestion. In contrast to culture in hard tissue culture plates, preadipocytes in the soft 3D environments formed multidimensional interlaced cell contacts, undergoing significant spontaneous lipid accumulation and could be cultured for up to threemonths in maintenance medium. More importantly, the cultured adipose tissue-derived cell bank created here was able to produce injury repair activators that promoted the proliferation of fibroblasts with little fibrosis and the functional differentiation of myoblasts, displaying the potential for use in adipose reconstruction. Thus, the present study demonstrates the potential of a mechanically flexible BC scaffold to generate volume tunable adipose constructs and provides a low-cost and user-friendly strategy for large-scale industrial production of adipose tissue.
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Affiliation(s)
- Haoxiang Chen
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China.,State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Xiaocheng Wang
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Jian Wang
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China.,State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Xuelei Shi
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Xinghuan Li
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Jianlong Wang
- Department of Orthopedics, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, People's Republic of China
| | - Dan Li
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Yonghua Zhu
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Weihong Tan
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China
| | - Zhikai Tan
- College of Biology, Hunan University, Changsha, Hunan 410082, People's Republic of China.,State Key Laboratory for Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan 410082, People's Republic of China
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22
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Wu Z, Jin K, Wang L, Fan Y. A Review: Optimization for Poly(glycerol sebacate) and Fabrication Techniques for Its Centered Scaffolds. Macromol Biosci 2021; 21:e2100022. [PMID: 34117837 DOI: 10.1002/mabi.202100022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/26/2021] [Indexed: 12/29/2022]
Abstract
Poly(glycerol sebacate) (PGS), an emerging promising thermosetting polymer synthesized from sebacic acid and glycerol, has attracted considerable attention due to its elasticity, biocompatibility, and tunable biodegradation properties. But it also has some drawbacks such as harsh synthesis conditions, rapid degradation rates, and low stiffness. To overcome these challenges and optimize PGS performance, various modification methods and fabrication techniques for PGS-based scaffolds have been developed in recent years. Outlining the current modification approaches of PGS and summarizing the fabrication techniques for PGS-based scaffolds are of great importance to accelerate the development of new materials and enable them to be appropriately used in potential applications. Thus, this review comprehensively overviews PGS derivatives, PGS composites, PGS blends, processing for PGS-based scaffolds, and their related applications. It is envisioned that this review could instruct and inspire the design of the PGS-based materials and facilitate tissue engineering advances into clinical practice.
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Affiliation(s)
- Zebin Wu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Kaixiang Jin
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Lizhen Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,School of Medical Science and Engineering, Beihang University, Beijing, 100083, China
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23
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Vogt L, Ruther F, Salehi S, Boccaccini AR. Poly(Glycerol Sebacate) in Biomedical Applications-A Review of the Recent Literature. Adv Healthc Mater 2021; 10:e2002026. [PMID: 33733604 DOI: 10.1002/adhm.202002026] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/10/2021] [Indexed: 12/13/2022]
Abstract
Poly(glycerol sebacate) (PGS) continues to attract attention for biomedical applications owing to its favorable combination of properties. Conventionally polymerized by a two-step polycondensation of glycerol and sebacic acid, variations of synthesis parameters, reactant concentrations or by specific chemical modifications, PGS materials can be obtained exhibiting a wide range of physicochemical, mechanical, and morphological properties for a variety of applications. PGS has been extensively used in tissue engineering (TE) of cardiovascular, nerve, cartilage, bone and corneal tissues. Applications of PGS based materials in drug delivery systems and wound healing are also well documented. Research and development in the field of PGS continue to progress, involving mainly the synthesis of modified structures using copolymers, hybrid, and composite materials. Moreover, the production of self-healing and electroactive materials has been introduced recently. After almost 20 years of research on PGS, previous publications have outlined its synthesis, modification, properties, and biomedical applications, however, a review paper covering the most recent developments in the field is lacking. The present review thus covers comprehensively literature of the last five years on PGS-based biomaterials and devices focusing on advanced modifications of PGS for applications in medicine and highlighting notable advances of PGS based systems in TE and drug delivery.
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Affiliation(s)
- Lena Vogt
- Institute of Biomaterials University Erlangen‐Nuremberg Erlangen 91058 Germany
| | - Florian Ruther
- Institute of Biomaterials University Erlangen‐Nuremberg Erlangen 91058 Germany
| | - Sahar Salehi
- Chair of Biomaterials University of Bayreuth Bayreuth 95447 Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials University Erlangen‐Nuremberg Erlangen 91058 Germany
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24
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Cho W, Kim BS, Ahn M, Ryu YH, Ha D, Kong JS, Rhie J, Cho D. Flexible Adipose-Vascular Tissue Assembly Using Combinational 3D Printing for Volume-Stable Soft Tissue Reconstruction. Adv Healthc Mater 2021; 10:e2001693. [PMID: 33236508 DOI: 10.1002/adhm.202001693] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/05/2020] [Indexed: 12/12/2022]
Abstract
A new concept, assembling cell-laden tissue modules, is for the first time proposed for soft tissue engineering. Adipose-vascular tissue modules composed of a synthetic polymer-based substructure and customized bioinks using planar 3D cell printing are engineered. Such tissue modules are systematically assembled into a synthetic polymer-based module holder fabricated with rotational 3D printing, resulting in the development of a flexible and volumetric tissue assembly. Whereas most of the previous studies about the construction of adipose tissue are limited to hypoxia, poor vascularization, rapid resorption, and mismatch in mechanical properties, it is aimed to realize the construction of nonhypoxic, flexible, and volume-stable tissue assembly in this study. The significance of engineered tissue assembly is proven through various in vitro and in vivo evaluations. In particular, stable volume and remarkable neovascularization/adipogenesis are observed in the implanted assembly over four weeks. Interestingly, the size of newly formed lipid droplets and the remodeled morphology in the assembly are comparable to those in native adipose tissue. As far as it is known, this work is a first report suggesting a cell printing-based tissue assembly for functional reconstruction of soft tissue.
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Affiliation(s)
- Won‐Woo Cho
- Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
- POSTECH‐Catholic Biomedical Engineering Institute POSTECH Pohang Kyungbuk 37673 Republic of Korea
| | - Byoung Soo Kim
- POSTECH‐Catholic Biomedical Engineering Institute POSTECH Pohang Kyungbuk 37673 Republic of Korea
- Future IT Innovation Laboratory POSTECH 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
| | - Minjun Ahn
- Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
- POSTECH‐Catholic Biomedical Engineering Institute POSTECH Pohang Kyungbuk 37673 Republic of Korea
| | - Yeon Hee Ryu
- Department of Biomedicine and Health Sciences College of Medicine The Catholic University of Korea 222, Banpo‐daero Seoul 06591 Republic of Korea
| | - Dong‐Heon Ha
- Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
- EDmicBio Inc. 26, Kyungheedae‐ro, Dongdaemun‐gu Seoul 02447 Republic of Korea
| | - Jeong Sik Kong
- POSTECH‐Catholic Biomedical Engineering Institute POSTECH Pohang Kyungbuk 37673 Republic of Korea
- School of Interdisciplinary Bioscience and Bioengineering POSTECH 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
| | - Jong‐Won Rhie
- Department of Plastic and Reconstructive Surgery Seoul St. Mary's Hospital College of Medicine The Catholic University of Korea 222, Banpo‐daero Seoul 06591 Republic of Korea
| | - Dong‐Woo Cho
- Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) 77 Cheongam‐ro, Nam‐gu Pohang Kyungbuk 37673 Republic of Korea
- POSTECH‐Catholic Biomedical Engineering Institute POSTECH Pohang Kyungbuk 37673 Republic of Korea
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25
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Wrzecionek M, Ruśkowski P, Gadomska‐Gajadhur A. Mathematically described preparation process of poly(glycerol succinate) resins and elastomers—Meeting science with industry. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5233] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | - Paweł Ruśkowski
- Faculty of Chemistry Warsaw University of Technology Warsaw Poland
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26
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Fakhri V, Jafari A, Shafiei MA, Ehteshamfar MV, Khalighiyan S, Hosseini H, Goodarzi V, Wurm FR, Moosazadeh Moghaddam M, Khonakdar HA. Development of physical, mechanical, antibacterial and cell growth properties of poly(glycerol sebacate urethane) (PGSU) with helping of curcumin and hydroxyapatite nanoparticles. Polym Chem 2021. [DOI: 10.1039/d1py01040a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Biocompatible and antimicrobial elastomers with controlled hydrophilicity and degradation rate, as well as appropriate stiffness and elasticity, are interesting for biomedical applications, such as regenerative medicine and tissue engineering.
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Affiliation(s)
- Vafa Fakhri
- Department of Polymer Engineering, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Aliakbar Jafari
- Department of Polymer Engineering, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Mir Alireza Shafiei
- Department of Polymer Engineering, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Mohammad Vahid Ehteshamfar
- Department of Mechanical Engineering, Amirkabir University of Technology, 424 Hafez Avenue, Tehran 15875-4413, Iran
| | - Shima Khalighiyan
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, P.O. Box: 19395-1495, Tehran, Iran
| | - Hadi Hosseini
- Faculty of Engineering & Technology, University of Mazandaran, Babolsar, Iran
| | - Vahabodin Goodarzi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, P.O. Box 19945-546, Tehran, Iran
| | - Frederik R. Wurm
- Sustainable Polymer Chemistry Group, Department of Molecules and Materials MESA+ Institute for Nanotechnology, Faculty of Science and Technology, Universiteit Twente, Enschede, The Netherlands
| | - Mehrdad Moosazadeh Moghaddam
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, P.O. Box 19945-546, Tehran, Iran
| | - Hossein Ali Khonakdar
- Department of Processing, Iran Polymer and Petrochemical Institute, PO Box 14965/115, Tehran, Iran
- Reactive processing, Leibniz Institute of Polymer Research Dresden, Hohe Straße 6, Dresden D-01069, Germany
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27
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Martín-Cabezuelo R, Vilariño-Feltrer G, Vallés-Lluch A. Influence of pre-polymerisation atmosphere on the properties of pre- and poly(glycerol sebacate). MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111429. [PMID: 33321580 DOI: 10.1016/j.msec.2020.111429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/29/2020] [Accepted: 08/20/2020] [Indexed: 01/21/2023]
Abstract
Poly(glycerol sebacate) (PGS) is a versatile biodegradable biomaterial on account of its adjustable mechanical properties as an elastomeric polyester. Nevertheless, it has shown dissimilar results when synthesised by different research groups under equivalent synthesis conditions. This lack of reproducibility proves how crucial it is to understand the effect of the parameters involved on its manufacturing and characterize the polymer networks obtained. Several studies have been conducted in recent years to understand the role of temperature, time, and the molar ratio of its monomers, while the influence of the atmosphere applied during its pre-polymerisation remained unknown. The results obtained here allow for a better understanding about the effect of inert (Ar and N2) and oxidative (oxygen, dry air, and humid air) atmospheres on the extent of the reaction. The molecular pattern of intermediate pre-polymers and the gelation time and morphology of their corresponding cured PGS networks were studied as well. Overall, inert atmospheres promote a rather linear growth of macromers, with scarce branches, resulting in loose elastomers with long chains mainly crosslinked. Conversely, oxygen in the latter atmospheres promotes branching through secondary hydroxyl groups, leading to less-crosslinked 'defective' networks. In this way, the pre-polymerisation atmosphere could be used advantageously to adjust the reactivity of secondary hydroxyls, in order to modulate branching in the elastomeric PGS networks obtained to suit the properties required in a particular application.
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Affiliation(s)
- Rubén Martín-Cabezuelo
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Spain
| | | | - Ana Vallés-Lluch
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valencia, Spain.
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Wong PY, Phang SW, Baharum A. Effects of synthesised polyaniline (PAni) contents on the anti-static properties of PAni-based polylactic acid (PLA) films. RSC Adv 2020; 10:39693-39699. [PMID: 35515408 PMCID: PMC9057396 DOI: 10.1039/d0ra07076a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/15/2020] [Indexed: 11/21/2022] Open
Abstract
An anti-static polymer film was prepared using biodegradable poly(lactic acid) as a matrix and polyaniline (PAni) as an anti-static agent. It is aimed to be applied in packaging applications to dissipate the accumulated charges. The anti-static properties of PLA films were investigated with various PAni contents ranging from 0% to 20% through ex situ polymerisation by the solution casting method. PAni was synthesised in the solution form through chemical oxidation at 0 °C. The synthesis of PAni was confirmed by Fourier transform infrared (FTIR) spectroscopy and ultraviolet-visible (UV-Vis) absorption spectroscopy. The mechanical and anti-static properties of the samples were characterised using a Universal Testing Machine (UTM) and a resistivity meter, respectively. The experimental results indicated that incorporation of PAni into PLA films affected the morphology, anti-static and mechanical properties of the samples. PLA/PAni showed a compact surface with a porous structure, reflecting the interfacial interaction between PLA and PAni in the presence of a plasticiser. It was discovered and compared with other compositions, PLA with 15% PAni exhibited excellent anti-static performance with 2.45 × 1010 ohm/sq surface resistivity and the highest tensile strength, elongation at break and modulus of 29.3 ± 2.4 MPa, 60.1 ± 1.6% and 1364.0 ± 85.2 MPa respectively. Hence, PAni is a good candidate to be used in PLA/PAni systems by giving a suitable surface resistivity that can potentially be applied in anti-static packaging applications.
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Affiliation(s)
- Pei-Yi Wong
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia
| | - Sook-Wai Phang
- Department of Physical Science, Faculty of Applied Sciences, Tunku Abdul Rahman University College Jalan Genting Klang 53300 Kuala Lumpur Malaysia
| | - Azizah Baharum
- Department of Chemical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia .,Polymer Research Center, Faculty of Science and Technology, Universiti Kebangsaan Malaysia 43600 Bangi Selangor Malaysia
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Jiang H, Qian Y, Fan C, Ouyang Y. Polymeric Guide Conduits for Peripheral Nerve Tissue Engineering. Front Bioeng Biotechnol 2020; 8:582646. [PMID: 33102465 PMCID: PMC7546820 DOI: 10.3389/fbioe.2020.582646] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/07/2020] [Indexed: 12/20/2022] Open
Abstract
Peripheral nerve injuries (PNIs) are usually caused by trauma, immune diseases, and genetic factors. Peripheral nerve injury (PNI) may lead to limb numbness, muscle atrophy, and loss of neurological function. Although an abundance of theories have been proposed, very few treatments can effectively lead to complete recovery of neurological function. Autologous nerve transplantation is currently the gold standard. Nevertheless, only 50% of all patients were successfully cured using this method. In addition, it causes inevitable damage to the donor site, and available donor sites in humans are very limited. Tissue engineering has become a research hotspot aimed at achieving a better therapeutic effect from peripheral nerve regeneration. Nerve guide conduits (NGCs) show great potential in the treatment of PNI. An increasing number of scaffold materials, including natural and synthetic polymers, have been applied to fabricate NGCs for peripheral nerve regeneration. This review focuses on recent nerve guide conduit (NGC) composite scaffold materials that are applied for nerve tissue engineering. Furthermore, the development tendency of NGCs and future areas of interest are comprehensively discussed.
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Affiliation(s)
- Huiquan Jiang
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
- Shanghai Sixth People’s Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Yun Qian
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
- Shanghai Sixth People’s Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Yuanming Ouyang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
- Shanghai Sixth People’s Hospital East Affiliated to Shanghai University of Medicine & Health Sciences, Shanghai, China
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Contessi Negrini N, Toffoletto N, Farè S, Altomare L. Plant Tissues as 3D Natural Scaffolds for Adipose, Bone and Tendon Tissue Regeneration. Front Bioeng Biotechnol 2020; 8:723. [PMID: 32714912 PMCID: PMC7344190 DOI: 10.3389/fbioe.2020.00723] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/09/2020] [Indexed: 01/06/2023] Open
Abstract
Decellularized tissues are a valid alternative as tissue engineering scaffolds, thanks to the three-dimensional structure that mimics native tissues to be regenerated and the biomimetic microenvironment for cells and tissues growth. Despite decellularized animal tissues have long been used, plant tissue decellularized scaffolds might overcome availability issues, high costs and ethical concerns related to the use of animal sources. The wide range of features covered by different plants offers a unique opportunity for the development of tissue-specific scaffolds, depending on the morphological, physical and mechanical peculiarities of each plant. Herein, three different plant tissues (i.e., apple, carrot, and celery) were decellularized and, according to their peculiar properties (i.e., porosity, mechanical properties), addressed to regeneration of adipose tissue, bone tissue and tendons, respectively. Decellularized apple, carrot and celery maintained their porous structure, with pores ranging from 70 to 420 μm, depending on the plant source, and were stable in PBS at 37°C up to 7 weeks. Different mechanical properties (i.e., Eapple = 4 kPa, Ecarrot = 43 kPa, Ecelery = 590 kPa) were measured and no indirect cytotoxic effects were demonstrated in vitro after plants decellularization. After coating with poly-L-lysine, apples supported 3T3-L1 preadipocytes adhesion, proliferation and adipogenic differentiation; carrots supported MC3T3-E1 pre-osteoblasts adhesion, proliferation and osteogenic differentiation; celery supported L929 cells adhesion, proliferation and guided anisotropic cells orientation. The versatile features of decellularized plant tissues and their potential for the regeneration of different tissues are proved in this work.
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Affiliation(s)
- Nicola Contessi Negrini
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
- National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Milan, Italy
| | - Nadia Toffoletto
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
- National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Milan, Italy
| | - Silvia Farè
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
- National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Milan, Italy
| | - Lina Altomare
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, Milan, Italy
- National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Milan, Italy
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Cross-linked PMS/PLA nanofibers with tunable mechanical properties and degradation rate for biomedical applications. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109633] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Development of poly (mannitol sebacate)/poly (lactic acid) nanofibrous scaffolds with potential applications in tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110626. [DOI: 10.1016/j.msec.2020.110626] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 12/14/2019] [Accepted: 01/01/2020] [Indexed: 12/15/2022]
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Abstract
The spectrum of ischemic heart diseases, encompassing acute myocardial infarction to heart failure, represents the leading cause of death worldwide. Although extensive progress in cardiovascular diagnoses and therapy has been made, the prevalence of the disease continues to increase. Cardiac regeneration has a promising perspective for the therapy of heart failure. Recently, extracellular matrix (ECM) has been shown to play an important role in cardiac regeneration and repair after cardiac injury. There is also evidence that the ECM could be directly used as a drug to promote cardiomyocyte proliferation and cardiac regeneration. Increasing evidence supports that applying ECM biomaterials to maintain heart function recovery is an important approach to apply the concept of cardiac regenerative medicine to clinical practice in the future. Here, we will introduce the essential role of cardiac ECM in cardiac regeneration and summarize the approaches of delivering ECM biomaterials to promote cardiac repair in this review.
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Affiliation(s)
- Haotong Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Minghui Bao
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Yu Nie
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China.
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The effect of porous structure on the cell proliferation, tissue ingrowth and angiogenic properties of poly(glycerol sebacate urethane) scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110384. [DOI: 10.1016/j.msec.2019.110384] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 11/20/2022]
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Zhang H, Ma H, Zhang R, Wang K, Liu J. Construction and characterization of antibacterial PLGA/wool keratin/ornidazole composite membranes for periodontal guided tissue regeneration. J Biomater Appl 2020; 34:1267-1281. [PMID: 31979999 DOI: 10.1177/0885328220901396] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Hualin Zhang
- Department of prosthodontics, College of Stomatology, Ningxia Medical University, Yinchuan, China
- General Hospital of Ningxia Medical University, Yinchuan, China
| | - Hairong Ma
- Department of prosthodontics, College of Stomatology, Ningxia Medical University, Yinchuan, China
| | - Rui Zhang
- Department of prosthodontics, College of Stomatology, Ningxia Medical University, Yinchuan, China
| | - Kairong Wang
- Department of prosthodontics, College of Stomatology, Ningxia Medical University, Yinchuan, China
- Hamony Long Stomatological Hospital, Taiyuan, China
| | - Jinsong Liu
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
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Balavigneswaran CK, Venkatesan R, Karuppiah PS, Kumar G, Paliwal P, Krishnamurthy S, Kadalmani B, Mahto SK, Misra N. Silica Release from Silane Cross-Linked Gelatin Based Hybrid Scaffold Affects Cell Proliferation. ACS APPLIED BIO MATERIALS 2019; 3:197-207. [DOI: 10.1021/acsabm.9b00680] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Chelladurai Karthikeyan Balavigneswaran
- Tissue Engineering and Biomaterials Lab, Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, Tamil Nadu, India
| | - Ramya Venkatesan
- Department of Animal Science, Bharathidasan University, Tiruchirappalli-620024, Tamil Nadu, India
| | - Prakash Shyam Karuppiah
- Research and Development Division, VVD and Sons Private Limited, Thoothukudi-621004, Tamil Nadu, India
| | | | | | | | - Balamuthu Kadalmani
- Department of Animal Science, Bharathidasan University, Tiruchirappalli-620024, Tamil Nadu, India
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Liu X, Miller AL, Xu H, Waletzki BE, Lu L. Injectable Catalyst-Free Poly(Propylene Fumarate) System Cross-Linked by Strain Promoted Alkyne-Azide Cycloaddition Click Chemistry for Spine Defect Filling. Biomacromolecules 2019; 20:3352-3365. [PMID: 31398020 PMCID: PMC9009285 DOI: 10.1021/acs.biomac.9b00133] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A new PPF-BCN/hyPCL32-N3 injectable system that can be cross-linked by catalyst-free, strain promoted alkyne-azide cycloaddition (SPAAC) click chemistry was developed for tissue engineering applications. The system consisted of two components: PPF-BCN, poly(propylene fumarate) (PPF) functionalized with (1R,8S,9s)-bicyclo[6.1.0]non-4-yn-9-ylmethanol (BCN-OH), and hyPCL32-N3, a hyper-branched 32-arm poly(ε-caprolactone) (PCL) dendrimer functionalized with azide as the cross-linker core. Fast SPAAC click reaction allowed the desired gelation of the system without using any toxic initiator or catalyst. Compared to the conventional injectable formulation, e.g., poly(methyl methacrylate) (PMMA), our PPF-BCN/hyPCL32-N3 (abbreviated as PFCL-Click) injectable system showed enhanced biocompatibility and low heat generation during cross-linking. After reaction, the cross-linked PFCL-Click scaffolds supported excellent proliferation and differentiation of preosteoblast cells on the surface. The PFCL-Click system can be successfully injected into vertebral bodies of rabbit spine and can be monitored by X-ray imaging after incorporating zirconium dioxide (ZrO2) powder. With these unique advantages, this injectable system has promising potential for bone defect repair and other tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Xifeng Liu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - A. Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Hao Xu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Brian E. Waletzki
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Lichun Lu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
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Vilariño-Feltrer G, Muñoz-Santa A, Conejero-García Á, Vallés-Lluch A. The effect of salt fusion processing variables on structural, physicochemical and biological properties of poly(glycerol sebacate) scaffolds. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1636247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Alba Muñoz-Santa
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Valencia, Spain
| | - Álvaro Conejero-García
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Valencia, Spain
| | - Ana Vallés-Lluch
- Centre for Biomaterials and Tissue Engineering, Universitat Politècnica de València, Valencia, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Spain
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Liu X, Miller AL, Park S, George MN, Waletzki BE, Xu H, Terzic A, Lu L. Two-Dimensional Black Phosphorus and Graphene Oxide Nanosheets Synergistically Enhance Cell Proliferation and Osteogenesis on 3D Printed Scaffolds. ACS APPLIED MATERIALS & INTERFACES 2019; 11:23558-23572. [PMID: 31199116 PMCID: PMC8942345 DOI: 10.1021/acsami.9b04121] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Two-dimensional (2D) materials have emerged as a new promising research topic for tissue engineering because of their ability to alter the surface properties of tissue scaffolds and thus improve their biocompatibility and cell affinity. Multiple 2D materials, such as graphene and graphene oxide (GO), have been widely reported to enhance cell adhesion and proliferation. Recently, a newly emerged black phosphorus (BP) 2D material has attracted attention in biomedical applications because of its unique mechanical and electrochemical characteristics. In this study, we investigated the synergistic effect of these two types of 2D materials on cell osteogenesis for bone tissue engineering. BP was first wrapped in negatively charged GO nanosheets, which were then adsorbed together onto positively charged poly(propylene fumarate) three-dimensional (3D) scaffolds. The increased surface area provided by GO nanosheets would enhance cell attachment at the initial stage. In addition, slow oxidation of BP nanosheets wrapped within GO layers would generate a continuous release of phosphate, an important osteoblast differentiation facilitator designed to stimulate cell osteogenesis toward the new bone formation. Through the use of 3D confocal imaging, unique interactions between cells and BP nanosheets were observed, including a stretched cell shape and the development of filaments around the BP nanosheets, along with increased cell proliferation when compared with scaffolds incorporating only one of the 2D materials. Furthermore, the biomineralization of 3D scaffolds, as well as cellular osteogenic markers, was all measured and improved on scaffolds with both BP and GO nanosheets. All these results indicate that the incorporation of 2D BP and GO materials could effectively and synergistically stimulate cell proliferation and osteogenesis on 3D tissue scaffolds.
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Affiliation(s)
- Xifeng Liu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - A. Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Sungjo Park
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Matthew N. George
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Brian E. Waletzki
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
| | - Haocheng Xu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
| | - Andre Terzic
- Department of Cardiovascular Diseases and Center for Regenerative Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Lichun Lu
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA
- Corresponding Author: . Tel.: 507-284-2267. Fax: 507-284-5075
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Keirouz A, Fortunato G, Zhang M, Callanan A, Radacsi N. Nozzle-free electrospinning of Polyvinylpyrrolidone/Poly(glycerol sebacate) fibrous scaffolds for skin tissue engineering applications. Med Eng Phys 2019; 71:56-67. [PMID: 31257053 DOI: 10.1016/j.medengphy.2019.06.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 05/15/2019] [Accepted: 06/09/2019] [Indexed: 11/25/2022]
Abstract
A novel composite for skin tissue engineering applications by use of blends of Poly(vinylpyrrolidone) (PVP) and Poly (glycerol sebacate) (PGS) was fabricated via the scalable nozzle-free electrospinning technique. The formed PVP:PGS blends were morphologically, thermochemically and mechanically characterized. The morphology of the developed fibers correlated to the blend ratio. The tensile modulus appeared to be affected by the concentration of PGS within the blends, with an apparent decrease in the elastic modulus of the electrospun mats and an exponential increase of the elongation at break. Ultraviolet (UV) crosslinking of the composite fibers significantly decreased the construct's wettability and stabilized the formed fiber mats, which was indicated by contact angle measurements. In vitro examination showed good viability and proliferation of human dermal fibroblast cells. The present findings provide valuable insights for tuning the elastic properties of electrospun material by incorporating this unique elastomer as a promising future candidate for skin substitute constructs.
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Affiliation(s)
- Antonios Keirouz
- The School of Engineering, Institute for Materials and Processes, The University of Edinburgh, King's Buildings, Edinburgh EH9 3FB, United Kingdom; Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, St. Gallen CH-9014, Switzerland
| | - Giuseppino Fortunato
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Protection and Physiology, St. Gallen CH-9014, Switzerland
| | - Mei Zhang
- The School of Engineering, Institute for Materials and Processes, The University of Edinburgh, King's Buildings, Edinburgh EH9 3FB, United Kingdom; The School of Engineering, Institute for Bioengineering, The University of Edinburgh, The King's Buildings, Edinburgh EH9 3JL, United Kingdom
| | - Anthony Callanan
- The School of Engineering, Institute for Bioengineering, The University of Edinburgh, The King's Buildings, Edinburgh EH9 3JL, United Kingdom
| | - Norbert Radacsi
- The School of Engineering, Institute for Materials and Processes, The University of Edinburgh, King's Buildings, Edinburgh EH9 3FB, United Kingdom.
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Freedman BR, Mooney DJ. Biomaterials to Mimic and Heal Connective Tissues. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1806695. [PMID: 30908806 PMCID: PMC6504615 DOI: 10.1002/adma.201806695] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 01/27/2019] [Indexed: 05/11/2023]
Abstract
Connective tissue is one of the four major types of animal tissue and plays essential roles throughout the human body. Genetic factors, aging, and trauma all contribute to connective tissue dysfunction and motivate the need for strategies to promote healing and regeneration. The goal here is to link a fundamental understanding of connective tissues and their multiscale properties to better inform the design and translation of novel biomaterials to promote their regeneration. Major clinical problems in adipose tissue, cartilage, dermis, and tendon are discussed that inspire the need to replace native connective tissue with biomaterials. Then, multiscale structure-function relationships in native soft connective tissues that may be used to guide material design are detailed. Several biomaterials strategies to improve healing of these tissues that incorporate biologics and are biologic-free are reviewed. Finally, important guidance documents and standards (ASTM, FDA, and EMA) that are important to consider for translating new biomaterials into clinical practice are highligted.
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Affiliation(s)
- Benjamin R Freedman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - David J Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
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Effect of hydrolyzed collagen on thermal, mechanical and biological properties of poly(lactic acid) bionanocomposites. IRANIAN POLYMER JOURNAL 2019. [DOI: 10.1007/s13726-019-00694-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Sun L, Wang M, Chen S, Sun B, Guo Y, He C, Mo X, Zhu B, You Z. Molecularly engineered metal-based bioactive soft materials - Neuroactive magnesium ion/polymer hybrids. Acta Biomater 2019; 85:310-319. [PMID: 30586648 DOI: 10.1016/j.actbio.2018.12.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 12/13/2018] [Accepted: 12/21/2018] [Indexed: 02/07/2023]
Abstract
The development of bioactive soft materials that can guide cell behavior and have biomimetic mechanical properties is an active and challenging topic in regenerative medicine. A common strategy to create a bioactive soft material is the integration of biomacromolecules with polymers. However, limited by their complex structures and sensitivity to temperature and chemicals, it is relatively difficult to maintain the bioactivity of biomacromolecules during their preparation, storage, and application. Here, a new kind of bioactive soft material based on the molecular integration of metal ions and polymers is designed and exemplified by a hybrid of magnesium ion (Mg2+) and poly(glycerol-sebacate-maleate) (PGSM-Mg). Mg2+ was firmly incorporated into PGSM molecules through a complexation interaction as evidenced by X-ray photoelectron spectroscopy (XPS) and Fourier-transform infrared spectroscopy (FTIR). The PGSM matrix provided the soft nature and facile processing of the hybrid, which could serve as an injectable material and be fabricated into elastic porous three-dimensional (3D) scaffolds. The Mg2+ immobilized in the PGSM chain conferred neuroactivity to the resultant hybrid. PGSM-Mg exhibited adequate biodegradability and a sustained release of Mg2+. PGSM-Mg 3D scaffolds promoted the adhesion and proliferation of Schwann cells (SCs) more effectively than poly(lactic-co-glycolic acid) (PLGA) scaffolds. Furthermore, SCs on PGSM-Mg scaffolds expressed significantly more neural specific genes than those on PLGA, PGS, and PGSM, including nerve growth factor (NGF) and neurotrophic factor-3 (NTF3). All these results indicated that Mg2+ immobilized through molecular integration could efficiently regulate the bioactivity of polymers. In view of the wide availability, diverse bioactivity, and high stability of metal ions, the strategy of molecular coupling of metal ions and polymers is expected to be a new general approach to construct bioactive soft materials. STATEMENT OF SIGNIFICANCE: Bioactive soft materials are designed on the basis of the molecular integration of metal ions and polymers. Immobilized metal ions offer a new way to endow bioactivity to polymers. Different from biomolecules such as proteins and genes, metal ions are quite stable and can resist harsh processing conditions. Further, the polymeric matrix provides the soft nature and facile processing of the hybrid. Different from stiff metal-containing inorganic materials, the hybrid is a biomimetic soft material and can be readily processed just like its polymer precursor under mild conditions. In view of the diversity of metal ions and polymers, this strategy is expected to be a new powerful and general approach to construct bioactive soft materials for a wide range of biomedical applications.
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Affiliation(s)
- Lijie Sun
- State Key Laboratory for Modification of Chemical Fiber and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-dimension Materials, College of Materials Science and Engineering, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Min Wang
- State Key Laboratory for Modification of Chemical Fiber and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-dimension Materials, College of Materials Science and Engineering, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Shuo Chen
- State Key Laboratory for Modification of Chemical Fiber and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-dimension Materials, College of Materials Science and Engineering, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Binbin Sun
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Yifan Guo
- State Key Laboratory for Modification of Chemical Fiber and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-dimension Materials, College of Materials Science and Engineering, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Chuanglong He
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Xiumei Mo
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, North Renmin Road 2999, Shanghai 201620, China
| | - Bo Zhu
- School of Materials Science & Engineering, Shanghai University, Shanghai 200444, China
| | - Zhengwei You
- State Key Laboratory for Modification of Chemical Fiber and Polymer Materials, International Joint Laboratory for Advanced Fiber and Low-dimension Materials, College of Materials Science and Engineering, Donghua University, North Renmin Road 2999, Shanghai 201620, China.
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Gritsch L, Conoscenti G, La Carrubba V, Nooeaid P, Boccaccini AR. Polylactide-based materials science strategies to improve tissue-material interface without the use of growth factors or other biological molecules. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 94:1083-1101. [DOI: 10.1016/j.msec.2018.09.038] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 08/14/2018] [Accepted: 09/11/2018] [Indexed: 01/11/2023]
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Argentati C, Morena F, Bazzucchi M, Armentano I, Emiliani C, Martino S. Adipose Stem Cell Translational Applications: From Bench-to-Bedside. Int J Mol Sci 2018; 19:E3475. [PMID: 30400641 PMCID: PMC6275042 DOI: 10.3390/ijms19113475] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 10/22/2018] [Accepted: 11/01/2018] [Indexed: 02/08/2023] Open
Abstract
During the last five years, there has been a significantly increasing interest in adult adipose stem cells (ASCs) as a suitable tool for translational medicine applications. The abundant and renewable source of ASCs and the relatively simple procedure for cell isolation are only some of the reasons for this success. Here, we document the advances in the biology and in the innovative biotechnological applications of ASCs. We discuss how the multipotential property boosts ASCs toward mesenchymal and non-mesenchymal differentiation cell lineages and how their character is maintained even if they are combined with gene delivery systems and/or biomaterials, both in vitro and in vivo.
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Affiliation(s)
- Chiara Argentati
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Francesco Morena
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Martina Bazzucchi
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
| | - Ilaria Armentano
- Department of Ecological and Biological Sciences, Tuscia University Largo dell'Università, snc, 01100 Viterbo, Italy.
| | - Carla Emiliani
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
- CEMIN, Center of Excellence on Nanostructured Innovative Materials, Via del Giochetto, 06126 Perugia, Italy.
| | - Sabata Martino
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via del Giochetto, 06126 Perugia, Italy.
- CEMIN, Center of Excellence on Nanostructured Innovative Materials, Via del Giochetto, 06126 Perugia, Italy.
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Contessi Negrini N, Tarsini P, Tanzi MC, Farè S. Chemically crosslinked gelatin hydrogels as scaffolding materials for adipose tissue engineering. J Appl Polym Sci 2018. [DOI: 10.1002/app.47104] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- N. Contessi Negrini
- Department of ChemistryMaterials and Chemical Engineering “G. Natta”, Politecnico di Milano Piazza Leonardo da Vinci 32, 20133, Milan Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), via Giuseppe Giusti 9, 50121 Florence Italy
| | - P. Tarsini
- Department of ChemistryMaterials and Chemical Engineering “G. Natta”, Politecnico di Milano Piazza Leonardo da Vinci 32, 20133, Milan Italy
| | - M. C. Tanzi
- National Interuniversity Consortium of Materials Science and Technology (INSTM), via Giuseppe Giusti 9, 50121 Florence Italy
| | - S. Farè
- Department of ChemistryMaterials and Chemical Engineering “G. Natta”, Politecnico di Milano Piazza Leonardo da Vinci 32, 20133, Milan Italy
- National Interuniversity Consortium of Materials Science and Technology (INSTM), via Giuseppe Giusti 9, 50121 Florence Italy
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Hamad K, Kaseem M, Ayyoob M, Joo J, Deri F. Polylactic acid blends: The future of green, light and tough. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2018.07.001] [Citation(s) in RCA: 183] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Qi D, Wu S, Kuss MA, Shi W, Chung S, Deegan PT, Kamenskiy A, He Y, Duan B. Mechanically robust cryogels with injectability and bioprinting supportability for adipose tissue engineering. Acta Biomater 2018; 74:131-142. [PMID: 29842971 DOI: 10.1016/j.actbio.2018.05.044] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 05/15/2018] [Accepted: 05/25/2018] [Indexed: 12/15/2022]
Abstract
Bioengineered adipose tissues have gained increased interest as a promising alternative to autologous tissue flaps and synthetic adipose fillers for soft tissue augmentation and defect reconstruction in clinic. Although many scaffolding materials and biofabrication methods have been investigated for adipose tissue engineering in the last decades, there are still challenges to recapitulate the appropriate adipose tissue microenvironment, maintain volume stability, and induce vascularization to achieve long-term function and integration. In the present research, we fabricated cryogels consisting of methacrylated gelatin, methacrylated hyaluronic acid, and 4arm poly(ethylene glycol) acrylate (PEG-4A) by using cryopolymerization. The cryogels were repeatedly injectable and stretchable, and the addition of PEG-4A improved the robustness and mechanical properties. The cryogels supported human adipose progenitor cell (HWA) and adipose derived mesenchymal stromal cell adhesion, proliferation, and adipogenic differentiation and maturation, regardless of the addition of PEG-4A. The HWA laden cryogels facilitated the co-culture of human umbilical vein endothelial cells (HUVEC) and capillary-like network formation, which in return also promoted adipogenesis. We further combined cryogels with 3D bioprinting to generate handleable adipose constructs with clinically relevant size. 3D bioprinting enabled the deposition of multiple bioinks onto the cryogels. The bioprinted flap-like constructs had an integrated structure without delamination and supported vascularization. STATEMENT OF SIGNIFICANCE Adipose tissue engineering is promising for reconstruction of soft tissue defects, and also challenging for restoring and maintaining soft tissue volume and shape, and achieving vascularization and integration. In this study, we fabricated cryogels with mechanical robustness, injectability, and stretchability by using cryopolymerization. The cryogels promoted cell adhesion, proliferation, and adipogenic differentiation and maturation of human adipose progenitor cells and adipose derived mesenchymal stromal cells. Moreover, the cryogels also supported 3D bioprinting on top, forming vascularized adipose constructs. This study demonstrates the potential of the implementation of cryogels for generating volume-stable adipose tissue constructs and provides a strategy to fabricate vascularized flap-like constructs for complex soft tissue regeneration.
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Li F, Su Y, Pi G, Ma PX, Lei B. Biodegradable, Biomimetic Elastomeric, Photoluminescent, and Broad-Spectrum Antibacterial Polycitrate-Polypeptide-based Membrane toward Multifunctional Biomedical Implants. ACS Biomater Sci Eng 2018; 4:3027-3035. [DOI: 10.1021/acsbiomaterials.8b00660] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Feng Li
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yajuan Su
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
| | - Guofu Pi
- Department of Orthopaedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Peter X. Ma
- Department of Biomedical Engineering, Macromolecular Science and Engineering Center, University of Michigan, Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109-1078, United States
| | - Bo Lei
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710054, China
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710054, China
- State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710054, China
- Instrument Analysis Center, Xi’an Jiaotong University, Xi’an 710054, China
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Yao Q, Liu Y, Sun H. Heparin-dopamine functionalized graphene foam for sustained release of bone morphogenetic protein-2. J Tissue Eng Regen Med 2018; 12:1519-1529. [PMID: 29702734 PMCID: PMC6013394 DOI: 10.1002/term.2681] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 03/21/2018] [Accepted: 04/16/2018] [Indexed: 12/14/2022]
Abstract
The recently developed three-dimensional (3D) graphene foam (GrF) is intriguing for potential bone tissue engineering applications because it provides stem cells with a 3D porous substrate for osteogenic differentiation. However, the nature of graphene's structure lacks functional groups, thus making it difficult for further modification such as immobilization or conjugation of growth factors, which are normally required to promote tissue regeneration. To explore the potential of GrF functionalization and sustained release of therapeutic proteins, we fabricated a modified 3D GrF scaffold with bio-inspired heparin-dopamine (Hepa-Dopa) molecules using a highly scalable chemical vapour deposition method. Our data indicated that Hepa-Dopa modification resulted in significantly higher bone morphogenetic protein-2 (BMP2) binding ability and longer release capacity compared with the untreated scaffolds. Importantly, the heparin-functionalized 3D GrF significantly improved the exogenous BMP2-induced osteogenic differentiation. Therefore, our study, for the first time, indicated that the 3D GrF can be biomimetically functionalized with Hepa-Dopa and be used for sustained release of BMP2, thereby inducing osteogenic differentiation and suggesting promising potential as a new multifunctional carrier for therapeutic proteins and stem cells in bone tissue engineering.
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Affiliation(s)
- Qingqing Yao
- School of Ophthalmology and Optometry, Wenzhou Medical University, 270 Xueyuan Xi Road, Wenzhou, Zhejiang 325027, China
- Institute of Advanced Materials for Nano-Bio Applications, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Department of Biomedical Engineering, University of South Dakota, BioSNTR, Sioux Falls, SD 57107, USA
| | - Yangxi Liu
- Department of Biomedical Engineering, University of South Dakota, BioSNTR, Sioux Falls, SD 57107, USA
| | - Hongli Sun
- Department of Biomedical Engineering, University of South Dakota, BioSNTR, Sioux Falls, SD 57107, USA
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