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Zhang S, Huang L, Bian M, Xiao L, Zhou D, Tao Z, Zhao Z, Zhang J, Jiang LB, Li Y. Multifunctional Bone Regeneration Membrane with Flexibility, Electrical Stimulation Activity and Osteoinductive Activity. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2405311. [PMID: 39148189 DOI: 10.1002/smll.202405311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 08/02/2024] [Indexed: 08/17/2024]
Abstract
The use of membrane-based guided bone regeneration techniques has great potential for single-stage reconstruction of critical-sized bone defects. Here, a multifunctional bone regeneration membrane combining flexible elasticity, electrical stimulation (ES) and osteoinductive activity is developed by in situ doping of MXene 2D nanomaterials with conductive functionality and β-TCP particles into a Poly(lactic acid-carbonate (PDT) composite nano-absorbable membrane (P/T/MXene) via electrostatic spinning technique. The composite membrane has good feasibility due to its temperature sensitivity, elastic memory capacity, coordinated degradation profile and easy preparation process. In vitro experiments showed the P/T/MXene membrane effectively promoted the recruitment and osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) under ES and enhanced the angiogenic capacity of endothelial cells, which synergistically promoted bone regeneration through neovascularization. In addition, an in vivo rat model of cranial bone defects further confirmed the bone regeneration efficacy of the P/T/MXene membrane. In conclusion, the developed P/T/MXene membrane can effectively promote bone regeneration through their synergistic multifunctional effects, suggesting the membranes have great potential for guiding tissue regeneration and providing guidance for the biomaterials design.
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Affiliation(s)
- Shihao Zhang
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Lei Huang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Mengxuan Bian
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Lan Xiao
- School of Medicine and Dentistry, Griffith University, Australia, 4222, Australia
| | - Dong Zhou
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Ziwei Tao
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zheng Zhao
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Jian Zhang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Li-Bo Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Yulin Li
- The Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
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Younes HM, Kadavil H, Ismail HM, Adib SA, Zamani S, Alany RG, Al-Kinani AA. Overview of Tissue Engineering and Drug Delivery Applications of Reactive Electrospinning and Crosslinking Techniques of Polymeric Nanofibers with Highlights on Their Biocompatibility Testing and Regulatory Aspects. Pharmaceutics 2023; 16:32. [PMID: 38258043 PMCID: PMC10818558 DOI: 10.3390/pharmaceutics16010032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024] Open
Abstract
Traditional electrospinning is a promising technique for fabricating nanofibers for tissue engineering and drug delivery applications. The method is highly efficient in producing nanofibers with morphology and porosity similar to the extracellular matrix. Nonetheless, and in many instances, the process has faced several limitations, including weak mechanical strength, large diameter distributions, and scaling-up difficulties of its fabricated electrospun nanofibers. The constraints of the polymer solution's intrinsic properties are primarily responsible for these limitations. Reactive electrospinning constitutes a novel and modified electrospinning techniques developed to overcome those challenges and improve the properties of the fabricated fibers intended for various biomedical applications. This review mainly addresses reactive electrospinning techniques, a relatively new approach for making in situ or post-crosslinked nanofibers. It provides an overview of and discusses the recent literature about chemical and photoreactive electrospinning, their various techniques, their biomedical applications, and FDA regulatory aspects related to their approval and marketing. Another aspect highlighted in this review is the use of crosslinking and reactive electrospinning techniques to enhance the fabricated nanofibers' physicochemical and mechanical properties and make them more biocompatible and tailored for advanced intelligent drug delivery and tissue engineering applications.
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Affiliation(s)
- Husam M. Younes
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Hana Kadavil
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Hesham M. Ismail
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
- Charles River Laboratories, Montreal, QC H9X 3R3, Canada
| | - Sandi Ali Adib
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
| | - Somayeh Zamani
- Tissue Engineering & Nanopharmaceuticals Research Laboratory (TENRL), Office of Vice President for Research & Graduate Studies, Qatar University, Doha P.O. Box 2713, Qatar; (H.K.); (H.M.I.); (S.A.A.)
- Materials Science & Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Raid G. Alany
- School of Pharmacy, The University of Auckland, Auckland 1142, New Zealand; (R.G.A.); (A.A.A.-K.)
- Drug Discovery, Delivery and Patient Care (DDDPC) Theme, School of Life Sciences, Pharmacy and Chemistry, Kingston University London, Kingston upon Thames, London KT2 7LB, UK
| | - Ali A. Al-Kinani
- School of Pharmacy, The University of Auckland, Auckland 1142, New Zealand; (R.G.A.); (A.A.A.-K.)
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Wei P, Bhat GA, Darensbourg DJ. Enabling New Approaches: Recent Advances in Processing Aliphatic Polycarbonate-Based Materials. Angew Chem Int Ed Engl 2023; 62:e202307507. [PMID: 37534963 DOI: 10.1002/anie.202307507] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/04/2023]
Abstract
Aliphatic polycarbonates (aPCs) have become increasingly popular as functional materials due to their biocompatibility and capacity for on-demand degradation. Advances in polymerization techniques and the introduction of new functional monomers have expanded the library of aPCs available, offering a diverse range of chemical compositions and structures. To accommodate the emerging requirements of new applications in biomedical and energy-related fields, various manufacturing techniques have been adopted for processing aPC-based materials. However, a summary of these techniques has yet to be conducted. The aim of this paper is to enrich the toolbox available to researchers, enabling them to select the most suitable technique for their materials. In this paper, a concise review of the recent progress in processing techniques, including controlled self-assembly, electrospinning, additive manufacturing, and other techniques, is presented. We also highlight the specific challenges and opportunities for the sustainable growth of this research area and the successful integration of aPCs in industrial applications.
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Affiliation(s)
- Peiran Wei
- Soft Matter Facility, Texas A&M University, 1313 Research Parkway, College Station, TX, 77845, USA
| | - Gulzar A Bhat
- Centre for Interdisciplinary Research and Innovations, University of Kashmir, Srinagar, Jammu and Kashmir, 190006, India
| | - Donald J Darensbourg
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, TX, 77843, USA
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Snyder Y, Jana S. Strategies for Development of Synthetic Heart Valve Tissue Engineering Scaffolds. PROGRESS IN MATERIALS SCIENCE 2023; 139:101173. [PMID: 37981978 PMCID: PMC10655624 DOI: 10.1016/j.pmatsci.2023.101173] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
The current clinical solutions, including mechanical and bioprosthetic valves for valvular heart diseases, are plagued by coagulation, calcification, nondurability, and the inability to grow with patients. The tissue engineering approach attempts to resolve these shortcomings by producing heart valve scaffolds that may deliver patients a life-long solution. Heart valve scaffolds serve as a three-dimensional support structure made of biocompatible materials that provide adequate porosity for cell infiltration, and nutrient and waste transport, sponsor cell adhesion, proliferation, and differentiation, and allow for extracellular matrix production that together contributes to the generation of functional neotissue. The foundation of successful heart valve tissue engineering is replicating native heart valve architecture, mechanics, and cellular attributes through appropriate biomaterials and scaffold designs. This article reviews biomaterials, the fabrication of heart valve scaffolds, and their in-vitro and in-vivo evaluations applied for heart valve tissue engineering.
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Affiliation(s)
- Yuriy Snyder
- Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA
| | - Soumen Jana
- Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA
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Toledo PTA, Anselmi C, Dal-Fabbro R, Mahmoud AH, Abel AK, Becker ML, Delbem ACB, Bottino MC. Calcium Trimetaphosphate-Loaded Electrospun Poly(Ester Urea) Nanofibers for Periodontal Tissue Engineering. J Funct Biomater 2023; 14:350. [PMID: 37504845 PMCID: PMC10381820 DOI: 10.3390/jfb14070350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/22/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023] Open
Abstract
The objective of this research was to create and appraise biodegradable polymer-based nanofibers containing distinct concentrations of calcium trimetaphosphate (Ca-TMP) for periodontal tissue engineering. Poly(ester urea) (PEU) (5% w/v) solutions containing Ca-TMP (15%, 30%, 45% w/w) were electrospun into fibrous scaffolds. The fibers were evaluated using SEM, EDS, TGA, FTIR, XRD, and mechanical tests. Degradation rate, swelling ratio, and calcium release were also evaluated. Cell/Ca-TMP and cell/scaffold interaction were assessed using stem cells from human exfoliated deciduous teeth (SHEDs) for cell viability, adhesion, and alkaline phosphatase (ALP) activity. Analysis of variance (ANOVA) and post-hoc tests were used (α = 0.05). The PEU and PEU/Ca-TMP-based membranes presented fiber diameters at 469 nm and 414-672 nm, respectively. Chemical characterization attested to the Ca-TMP incorporation into the fibers. Adding Ca-TMP led to higher degradation stability and lower dimensional variation than the pure PEU fibers; however, similar mechanical characteristics were observed. Minimal calcium was released after 21 days of incubation in a lipase-enriched solution. Ca-TMP extracts enhanced cell viability and ALP activity, although no differences were found between the scaffold groups. Overall, Ca-TMP was effectively incorporated into the PEU fibers without compromising the morphological properties but did not promote significant cell function.
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Affiliation(s)
- Priscila T. A. Toledo
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; (P.T.A.T.); (C.A.); (R.D.-F.); (A.H.M.)
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil;
| | - Caroline Anselmi
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; (P.T.A.T.); (C.A.); (R.D.-F.); (A.H.M.)
- Department of Morphology and Pediatric Dentistry, School of Dentistry, São Paulo State University (UNESP), Araraquara 14801-385, SP, Brazil
| | - Renan Dal-Fabbro
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; (P.T.A.T.); (C.A.); (R.D.-F.); (A.H.M.)
| | - Abdel H. Mahmoud
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; (P.T.A.T.); (C.A.); (R.D.-F.); (A.H.M.)
| | - Alexandra K. Abel
- Departments of Chemistry, Mechanical Engineering and Material Science, Orthopaedic Surgery, Duke University, Durham, NC 27708, USA; (A.K.A.); (M.L.B.)
| | - Matthew L. Becker
- Departments of Chemistry, Mechanical Engineering and Material Science, Orthopaedic Surgery, Duke University, Durham, NC 27708, USA; (A.K.A.); (M.L.B.)
| | - Alberto C. B. Delbem
- Department of Preventive and Restorative Dentistry, School of Dentistry, São Paulo State University (UNESP), Araçatuba 16015-050, SP, Brazil;
| | - Marco C. Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109, USA; (P.T.A.T.); (C.A.); (R.D.-F.); (A.H.M.)
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI 48109, USA
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Snyder Y, Jana S. Elastomeric Trilayer Substrates with Native-like Mechanical Properties for Heart Valve Leaflet Tissue Engineering. ACS Biomater Sci Eng 2023; 9:1570-1584. [PMID: 36802499 DOI: 10.1021/acsbiomaterials.2c01430] [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] [Indexed: 02/22/2023]
Abstract
Heart valve leaflets have a complex trilayered structure with layer-specific orientations, anisotropic tensile properties, and elastomeric characteristics that are difficult to mimic collectively. Previously, trilayer leaflet substrates intended for heart valve tissue engineering were developed with nonelastomeric biomaterials that cannot deliver native-like mechanical properties. In this study, by electrospinning polycaprolactone (PCL) polymer and poly(l-lactide-co-ε-caprolactone) (PLCL) copolymer, we created elastomeric trilayer PCL/PLCL leaflet substrates with native-like tensile, flexural, and anisotropic properties and compared them with trilayer PCL leaflet substrates (as control) to find their effectiveness in heart valve leaflet tissue engineering. These substrates were seeded with porcine valvular interstitial cells (PVICs) and cultured for 1 month in static conditions to produce cell-cultured constructs. The PCL/PLCL substrates had lower crystallinity and hydrophobicity but higher anisotropy and flexibility than PCL leaflet substrates. These attributes contributed to more significant cell proliferation, infiltration, extracellular matrix production, and superior gene expression in the PCL/PLCL cell-cultured constructs than in the PCL cell-cultured constructs. Further, the PCL/PLCL constructs showed better resistance to calcification than PCL constructs. Trilayer PCL/PLCL leaflet substrates with native-like mechanical and flexural properties could significantly improve heart valve tissue engineering.
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Affiliation(s)
- Yuriy Snyder
- Department of Bioengineering, University of Missouri, Columbia, Missouri 65211, United States
| | - Soumen Jana
- Department of Bioengineering, University of Missouri, Columbia, Missouri 65211, United States
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Li Y, Chen C, Jiang J, Liu S, Zhang Z, Xiao L, Lian R, Sun L, Luo W, Tim‐yun Ong M, Yuk‐wai Lee W, Chen Y, Yuan Y, Zhao J, Liu C, Li Y. Bioactive Film-Guided Soft-Hard Interface Design Technology for Multi-Tissue Integrative Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105945. [PMID: 35322573 PMCID: PMC9130887 DOI: 10.1002/advs.202105945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/14/2022] [Indexed: 06/14/2023]
Abstract
Control over soft-to-hard tissue interfaces is attracting intensive worldwide research efforts. Herein, a bioactive film-guided soft-hard interface design (SHID) for multi-tissue integrative regeneration is shown. Briefly, a soft bioactive film with good elasticity matchable to native ligament tissue, is incorporated with bone-mimic components (calcium phosphate cement, CPC) to partially endow the soft-film with hard-tissue mimicking feature. The hybrid film is elegantly compounded with a clinical artificial ligament to act as a buffer zone to bridge the soft (ligament) and hard tissues (bone). Moreover, the bioactive film-decorated ligament can be rolled into a 3D bio-instructive implant with spatial-controllable distribution of CPC bioactive motifs. CPC then promotes the recruitment and differentiation of endogenous cells in to the implant inside part, which enables a vascularized bone growth into the implant, and forms a structure mimicking the biological ligament-bone interface, thereby significantly improving osteointegration and biomechanical property. Thus, this special design provides an effective SHID-guided implant-bioactivation strategy unreached by the traditional manufacturing methods, enlightening a promising technology to develop an ideal SHID for translational use in the future.
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Affiliation(s)
- Yamin Li
- Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Can Chen
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Jia Jiang
- Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Shengyang Liu
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Zeren Zhang
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Lan Xiao
- Centre for Biomedical TechnologiesQueensland University of TechnologyThe Australia‐China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM)60 Musk Avenue, Kelvin GroveBrisbaneQLD4059Australia
| | - Ruixian Lian
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Lili Sun
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Wei Luo
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Michael Tim‐yun Ong
- Department of Orthopaedics and TraumatologyFaculty of MedicinePrince of Wales HospitalThe Chinese University of Hong KongShatinHong KongChina
| | - Wayne Yuk‐wai Lee
- Department of Orthopaedics and TraumatologyLi Ka Shing Institute of Health SciencesFaculty of MedicinePrince of Wales HospitalThe Chinese University of Hong KongShatinHong KongChina
| | - Yunsu Chen
- Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Yuan Yuan
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Jinzhong Zhao
- Shanghai Jiao Tong University Affiliated Sixth People's HospitalShanghai200233China
| | - Changsheng Liu
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
| | - Yulin Li
- Engineering Research Centre for Biomedical Materials of Ministry of EducationThe Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Material Science and EngineeringFrontiers Science Center for Materiobiology and Dynamic ChemistryEast China University of Science and TechnologyShanghai200237China
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Ribeiro JS, Münchow EA, Bordini EAF, Rodrigues NS, Dubey N, Sasaki H, Fenno JC, Schwendeman S, Bottino MC. Engineering of Injectable Antibiotic-laden Fibrous Microparticles Gelatin Methacryloyl Hydrogel for Endodontic Infection Ablation. Int J Mol Sci 2022; 23:ijms23020971. [PMID: 35055155 PMCID: PMC8778034 DOI: 10.3390/ijms23020971] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 12/14/2022] Open
Abstract
This study aimed at engineering cytocompatible and injectable antibiotic-laden fibrous microparticles gelatin methacryloyl (GelMA) hydrogels for endodontic infection ablation. Clindamycin (CLIN) or metronidazole (MET) was added to a polymer solution and electrospun into fibrous mats, which were processed via cryomilling to obtain CLIN- or MET-laden fibrous microparticles. Then, GelMA was modified with CLIN- or MET-laden microparticles or by using equal amounts of each set of fibrous microparticles. Morphological characterization of electrospun fibers and cryomilled particles was performed via scanning electron microscopy (SEM). The experimental hydrogels were further examined for swelling, degradation, and toxicity to dental stem cells, as well as antimicrobial action against endodontic pathogens (agar diffusion) and biofilm inhibition, evaluated both quantitatively (CFU/mL) and qualitatively via confocal laser scanning microscopy (CLSM) and SEM. Data were analyzed using ANOVA and Tukey's test (α = 0.05). The modification of GelMA with antibiotic-laden fibrous microparticles increased the hydrogel swelling ratio and degradation rate. Cell viability was slightly reduced, although without any significant toxicity (cell viability > 50%). All hydrogels containing antibiotic-laden fibrous microparticles displayed antibiofilm effects, with the dentin substrate showing nearly complete elimination of viable bacteria. Altogether, our findings suggest that the engineered injectable antibiotic-laden fibrous microparticles hydrogels hold clinical prospects for endodontic infection ablation.
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Affiliation(s)
- Juliana S. Ribeiro
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
- Department of Restorative Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas 96015-560, Rio Grande do Sul, Brazil
| | - Eliseu A. Münchow
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre 90035-003, Rio Grande do Sul, Brazil;
| | - Ester A. F. Bordini
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University, Araraquara 14801, São Paulo, Brazil
| | - Nathalie S. Rodrigues
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
| | - Nileshkumar Dubey
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
| | - Hajime Sasaki
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
| | - John C. Fenno
- Department of Biologic and Materials Sciences & Prosthodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48104, USA;
| | - Steven Schwendeman
- Department of Pharmaceutical Sciences and the Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48104, USA;
| | - Marco C. Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, MI 48104, USA; (J.S.R.); (E.A.F.B.); (N.S.R.); (N.D.); (H.S.)
- Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI 48104, USA
- Correspondence: ; Tel.: +1-734-763-2206; Fax: +1-734-936-1597
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9
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Fairag R, Li L, Ramirez-GarciaLuna JL, Taylor MS, Gaerke B, Weber MH, Rosenzweig DH, Haglund L. A Composite Lactide-Mineral 3D-Printed Scaffold for Bone Repair and Regeneration. Front Cell Dev Biol 2021; 9:654518. [PMID: 34307346 PMCID: PMC8299729 DOI: 10.3389/fcell.2021.654518] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 06/21/2021] [Indexed: 01/08/2023] Open
Abstract
Orthopedic tumor resection, trauma, or degenerative disease surgeries can result in large bone defects and often require bone grafting. However, standard autologous bone grafting has been associated with donor site morbidity and/or limited quantity. As an alternate, allografts with or without metallic or polyether-etherketone have been used as grafting substitutes. However, these may have drawbacks as well, including stress shielding, pseudarthrosis, disease-transmission, and infection. There is therefore a need for alternative bone substitutes, such as the use of mechanically compliant three-dimensional (3D)-printed scaffolds. Several off-the-shelf materials are available for low-cost fused deposition 3D printing such as polylactic acid (PLA) and polycaprolactone (PCL). We have previously described the feasibility of 3D-printed PLA scaffolds to support cell activity and extracellular matrix deposition. In this study, we investigate two medical-grade filaments consistent with specifications found in American Society for Testing and Materials (ASTM) standard for semi-crystalline polylactide polymers for surgical implants, a pure polymer (100M) and a copolymeric material (7415) for their cytocompatibility and suitability in bone tissue engineering. Moreover, we assessed the impact on osteo-inductive properties with the addition of beta-tricalcium phosphate (β-TCP) minerals and assessed their mechanical properties. 100M and 7415 scaffolds with the additive β-TCP demonstrated superior mesenchymal stem cells (MSCs) differentiation detected via increased alkaline phosphatase activity (6-fold and 1.5-fold, respectively) and mineralized matrix deposition (14-fold and 5-fold, respectively) in vitro. Furthermore, we evaluated in vivo compatibility, biosafety and bone repair potential in a rat femur window defect model. 100M+β -TCP implants displayed a positive biosafety profile and showed significantly enhanced new bone formation compared to 100M implants evidenced by μCT (39 versus 25% bone volume/tissue volume ratio) and histological analysis 6 weeks post-implantation. These scaffolds are encouraging composite biomaterials for repairing bone applications with a great potential for clinical translation. Further analyses are required with appropriate evaluation in a larger critical-sized defect animal model with long-term follow-up.
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Affiliation(s)
- Rayan Fairag
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
- Department of Orthopedic Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Li Li
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | | | | | | | - Michael H. Weber
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | - Derek H. Rosenzweig
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | - Lisbet Haglund
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
- Shriners Hospital for Children, Montreal, QC, Canada
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10
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Yu W, Maynard E, Chiaradia V, Arno MC, Dove AP. Aliphatic Polycarbonates from Cyclic Carbonate Monomers and Their Application as Biomaterials. Chem Rev 2021; 121:10865-10907. [DOI: 10.1021/acs.chemrev.0c00883] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wei Yu
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Edward Maynard
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Viviane Chiaradia
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Maria C. Arno
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
- Institute of Cancer and Genomic Sciences, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Andrew P. Dove
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
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11
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Montagna V, Takahashi J, Tsai MY, Ota T, Zivic N, Kawaguchi S, Kato T, Tanaka M, Sardon H, Fukushima K. Methoxy-Functionalized Glycerol-Based Aliphatic Polycarbonate: Organocatalytic Synthesis, Blood Compatibility, and Hydrolytic Property. ACS Biomater Sci Eng 2021; 7:472-481. [DOI: 10.1021/acsbiomaterials.0c01460] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Valentina Montagna
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain
- Department of Polymer Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Junko Takahashi
- Department of Polymer Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Meng-Yu Tsai
- Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Takayuki Ota
- Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Nicolas Zivic
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain
| | - Seigou Kawaguchi
- Department of Polymer Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
| | - Takashi Kato
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Masaru Tanaka
- Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasugakoen, Kasuga, Fukuoka 816-8580, Japan
| | - Haritz Sardon
- POLYMAT, University of the Basque Country UPV/EHU, Joxe Mari Korta Center, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain
| | - Kazuki Fukushima
- Department of Polymer Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Yamagata 992-8510, Japan
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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12
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13
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Sotomil JM, Münchow EA, Pankajakshan D, Spolnik KJ, Ferreira JA, Gregory RL, Bottino MC. Curcumin-A Natural Medicament for Root Canal Disinfection: Effects of Irrigation, Drug Release, and Photoactivation. J Endod 2019; 45:1371-1377. [PMID: 31542283 DOI: 10.1016/j.joen.2019.08.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 06/25/2019] [Accepted: 08/04/2019] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Curcumin incorporation into polymeric fibers was tested for its antimicrobial properties and potential use in root canal disinfection. METHODS Curcumin-modified fibers were processed via electrospinning and tested against a 7-day old established Actinomyces naeslundii biofilm. The medicaments tested were as follows: curcumin-modified fibers at 2.5 and 5.0 mg/mL, curcumin-based irrigant at 2.5 and 5.0 mg/mL, saline solution (negative control), and the following positive controls: 2% chlorhexidine, 1% sodium hypochlorite, and triple antibiotic paste (TAP, 1 mg/mL). All medicaments, except for the positive controls, were allocated according to the light exposure protocol (ie, photoactivation with a light-emitting diode every 30 seconds for 4 minutes or without photoactivation). After treatment, the medicaments were removed, and 1 mL saline solution was added; the biofilm was scraped from the well and used to prepare a 1:2000 dilution. Spiral plating was performed using anaerobic blood agar plates. After 24 hours, colony-forming units (colony-forming units/mL, n = 11/group) were counted to determine the antimicrobial effects. RESULTS Data exhibited significant antimicrobial effects on the positive control groups followed by the curcumin irrigants and, lastly, the photoactivated curcumin-modified fibers. There was a significant reduction of viable bacteria in curcumin-based irrigants, which was greater than the TAP-treated group. Curcumin-free fibers, saline, and the nonphotoactivated curcumin-modified fibers did not display antimicrobial activity. CONCLUSIONS Curcumin seems to be a potential alternative to TAP when controlling infection, but it requires a minimal concentration (2.5 mg/mL) to be effective. Photoactivation of curcumin-based medicaments seems to be essential to obtain greater antibiofilm activity.
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Affiliation(s)
- Julian M Sotomil
- Department of Prosthodontics, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Eliseu A Münchow
- Department of Dentistry, Health Science Institute, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
| | - Divya Pankajakshan
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Kenneth J Spolnik
- Department of Endodontics, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Jessica A Ferreira
- Department of Cariology, Restorative Sciences, and Endodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan
| | - Richard L Gregory
- Department of Biomedical and Applied Sciences, Indiana University School of Dentistry, Indianapolis, Indiana
| | - Marco C Bottino
- Department of Cariology, Restorative Sciences, and Endodontics, University of Michigan School of Dentistry, Ann Arbor, Michigan.
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14
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Joy J, Aid-Launais R, Pereira J, Pavon-Djavid G, Ray AR, Letourneur D, Meddahi-Pellé A, Gupta B. Gelatin-polytrimethylene carbonate blend based electrospun tubular construct as a potential vascular biomaterial. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 106:110178. [PMID: 31753413 DOI: 10.1016/j.msec.2019.110178] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 08/19/2019] [Accepted: 09/08/2019] [Indexed: 01/21/2023]
Abstract
The present work details the fabrication of electrospun tubular scaffolds based on the biocompatible and unexploited blend of gelatin and polytrimethylene carbonate (PTMC) as a media (middle layer of blood vessel) equivalent for blood vessel regeneration. An attempt to resemble the media stimulated the selection of gelatin as a matrix (substitution for collagen) with the inclusion of the biodegradable elastomer PTMC (substitution for elastin). -The work highlights the variation of electrospinning parameters and its assiduous selection based on fiber diameter distribution and pore size distribution to obtain smooth microfibers and micropores which is reported for the first time for this blend. Electrospun conduits of gelatin-PTMC blend had fibers sized 6-8 μm and pores sized ~100-150 μm. Young's modulus of 0.40 ± 0.045 MPa was observed, resembling the tunica media of the native artery (~0.5 MPa). An evaluation of the surface properties, topography, and mechanical properties validated its physical requirements for inclusion in a vascular graft. Preliminary biological tests confirmed its minimal in-vitro toxicity and in-vivo biocompatibility. MTT assay (indirect) elucidated cell viability above 70% with scaffold extract, considered to be non-toxic according to the EN ISO-10993-5/12 protocol. The in-vivo subcutaneous implantation in rat showed a marked reduction in macrophages within 15 days revealing its biocompatibility and its possibility for host integration. This comprehensive study presents for the first time the potential of microporous electrospun gelatin and PTMC blend based tubular construct as a potential biomaterial for vascular tissue engineering. The proposed media equivalent included in a bilayer or trilayer polymeric construct can be a promising off-shelf vascular graft.
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Affiliation(s)
- Jincy Joy
- Bioengineering Laboratory, Department of Textile Technology, Indian Institute of Technology, New Delhi 110016, India; Centre for Biomedical Engineering, Indian Institute of Technology, New Delhi 110016, India
| | - Rachida Aid-Launais
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, 46 rue Henri Huchard, 75877 Paris Cedex 18, France
| | - Jessica Pereira
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, 46 rue Henri Huchard, 75877 Paris Cedex 18, France
| | - Graciela Pavon-Djavid
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, 46 rue Henri Huchard, 75877 Paris Cedex 18, France
| | - Alok R Ray
- Centre for Biomedical Engineering, Indian Institute of Technology, New Delhi 110016, India
| | - Didier Letourneur
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, 46 rue Henri Huchard, 75877 Paris Cedex 18, France
| | - Anne Meddahi-Pellé
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot, Sorbonne Paris Cité, Hôpital Bichat, 46 rue Henri Huchard, 75877 Paris Cedex 18, France
| | - Bhuvanesh Gupta
- Bioengineering Laboratory, Department of Textile Technology, Indian Institute of Technology, New Delhi 110016, India.
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15
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Braghirolli DI, Caberlon B, Gamba D, Petry J, Dias ML, Pranke P. Poly(trimethylene carbonate-co-L-lactide) electrospun scaffolds for use as vascular grafts. ACTA ACUST UNITED AC 2019; 52:e8318. [PMID: 31411247 PMCID: PMC6694404 DOI: 10.1590/1414-431x20198318] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 05/31/2019] [Indexed: 11/22/2022]
Abstract
Currently, there is great clinical need for suitable synthetic grafts that can be used in vascular diseases. Synthetic grafts have been successfully used in medium and large arteries, however, their use in small diameter vessels is limited and presents a high failure rate. In this context, the aim of this study was to develop tissue engineering scaffolds, using poly(trimethylene carbonate-co-L-lactide) (PTMCLLA), for application as small diameter vascular grafts. For this, copolymers with varying trimethylene carbonate/lactide ratios - 20/80, 30/70, and 40/60 - were submitted to electrospinning and the resulting scaffolds were evaluated in terms of their physicochemical and biological properties. The scaffolds produced with PTMCLLA 20/80, 30/70, and 40/60 showed smooth fibers with an average diameter of 771±273, 606±242, and 697±232 nm, respectively. When the degradation ratio was evaluated, the three scaffold groups had a similar molecular weight (Mw) on the final day of analysis. PTMCLLA 30/70 and 40/60 scaffolds exhibited greater flexibility than the PTMCLLA 20/80. However, the PTMCLLA 40/60 scaffolds showed a large wrinkling and their biological properties were not evaluated. The PTMCLLA 30/70 scaffolds supported the adhesion and growth of mesenchymal stem cells (MSCs), endothelial progenitor cells, and smooth muscle cells (SMCs). In addition, they provided a spreading of MSCs and SMCs. Given the results, the electrospun scaffolds produced with PTMCLLA 30/70 copolymer can be considered promising candidates for future applications in vascular tissue engineering.
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Affiliation(s)
- D I Braghirolli
- Laboratório de Hematologia e Células-tronco, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.,Programa de Pós-Graduação em Fisiologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - B Caberlon
- Laboratório de Hematologia e Células-tronco, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - D Gamba
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - Jftc Petry
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil
| | - M L Dias
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - P Pranke
- Laboratório de Hematologia e Células-tronco, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.,Programa de Pós-Graduação em Fisiologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.,Instituto de Pesquisa com Células-tronco, Porto Alegre, RS, Brasil
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16
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Lui H, Bindra R, Baldwin J, Ivanovski S, Vaquette C. Additively Manufactured Multiphasic Bone-Ligament-Bone Scaffold for Scapholunate Interosseous Ligament Reconstruction. Adv Healthc Mater 2019; 8:e1900133. [PMID: 31112356 DOI: 10.1002/adhm.201900133] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 04/20/2019] [Indexed: 02/02/2023]
Abstract
The scapholunate interosseous ligament (SLIL) is a frequently torn wrist ligament, and current surgical options for SLIL tears are suboptimal. This research aims to develop a novel multiphasic bone-ligament-bone scaffold (BLB) with a porous interface using 3D-printing and cell sheet technology for the reconstruction of the dorsal scapholunate interosseous ligament. The BLB comprises two bone compartments bridged by aligned polycaprolactone fibers mimicking the architecture of the native tissue. Mechanical testing of the BLBs shows their ability to withstand physiological forces. Combination of the BLB with human bone marrow mesenchymal stem cell sheet demonstrates that the harvesting did not compromise cell viability, while allowing homogeneous distribution in the ligament compartment. The BLBs are loaded with cell sheets and bone morphogenetic protein-2 in the ligament and bone compartment respectively prior to ectopic implantation into athymic rats. The histology demonstrates rapid tissue infiltration, high vascularization, and more importantly the maintenance of the compartmentalization as bone formation remains localized to the bone compartment despite the porous interface. The cells in the ligament compartment become preferentially aligned, and this proof-of-concept study demonstrates that the BLB can provide sufficient compartmentalization and fiber guiding properties necessary for the regeneration of the dorsal SLIL.
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Affiliation(s)
- Hayman Lui
- School of Medicine, Griffith University, Parklands Drive, Southport, Gold Coast Campus, QLD, 4215, Australia
| | - Randy Bindra
- School of Medicine, Griffith University, Parklands Drive, Southport, Gold Coast Campus, QLD, 4215, Australia
| | - Jeremy Baldwin
- Centre in Regenerative Medicine Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Brisbane, 4059, Australia
| | - Saso Ivanovski
- School of Dentistry, the University of Queensland, Herston, 4006, Queensland, Australia
| | - Cedryck Vaquette
- Centre in Regenerative Medicine Institute of Health and Biomedical Innovation, Queensland University of Technology (QUT), Brisbane, 4059, Australia
- School of Dentistry, the University of Queensland, Herston, 4006, Queensland, Australia
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17
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Bottino MC, Albuquerque MTP, Azabi A, Münchow EA, Spolnik KJ, Nör JE, Edwards PC. A novel patient-specific three-dimensional drug delivery construct for regenerative endodontics. J Biomed Mater Res B Appl Biomater 2019; 107:1576-1586. [PMID: 30281899 PMCID: PMC6447484 DOI: 10.1002/jbm.b.34250] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/15/2018] [Accepted: 09/09/2018] [Indexed: 12/13/2022]
Abstract
Evoked bleeding (EB) clinical procedure, comprising a disinfection step followed by periapical tissue laceration to induce the ingrowth of undifferentiated stem cells from the periodontal ligament and alveolar bone, is currently the only regenerative-based therapeutic approach to treating pulp tissue necrosis in undeveloped (immature) permanent teeth approved in the United States. Yet, the disinfection step using antibiotic-based pastes leads to cytotoxic, warranting a biocompatible strategy to promote root canal disinfection with no or minimal side-effects to maximize the regenerative outcomes. The purpose of this investigation was to develop a tubular three-dimensional (3D) triple antibiotic-eluting construct for intracanal drug delivery. Morphological (scanning electron microscopy), chemical (Fourier transform infrared spectroscopy), and mechanical (tensile testing) characteristics of the polydioxanone-based triple antibiotic-eluting fibers were assessed. The antimicrobial properties of the tubular 3D constructs were determined in vitro and in vivo using an infected (Actinomyces naeslundii) dentin tooth slice model and a canine method of periapical disease, respectively. The in vitro data indicated significant antimicrobial activity and the ability to eliminate bacterial biofilm inside dentinal tubules. In vivo histological findings demonstrated that, using the EB procedure, the tubular 3D triple antibiotic-eluting construct allowed the formation of an appropriate environment that led to apex closure and the ingrowth of a thin layer of osteodentin-like tissue into the root canal. Taken together, these findings indicate that our novel drug delivery construct is a promising biocompatible disinfection strategy for immature permanent teeth with necrotic pulps. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1576-1586, 2019.
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Affiliation(s)
- Marco C. Bottino
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI - 48109, USA
| | - Maria T. P. Albuquerque
- Department of Clinical Dentistry (Endodontics), Federal University of Bahia, Salvador, BA - 40110, Brazil
| | - Asma Azabi
- Department of Biomedical & Applied Sciences, Indiana University School of Dentistry (IUSD), Indianapolis, IN - 46202, USA
| | - Eliseu A. Münchow
- Department of Dentistry, Health Science Institute, Federal University of Juiz de Fora, Governador Valadares, MG - 35010, Brazil
| | | | - Jacques E. Nör
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI - 48109, USA
| | - Paul C. Edwards
- Department of Oral Pathology, Medicine, and Radiology, IUSD, Indianapolis, IN - 46202, USA
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18
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Yassin MA, Fuoco T, Mohamed-Ahmed S, Mustafa K, Finne-Wistrand A. 3D and Porous RGDC-Functionalized Polyester-Based Scaffolds as a Niche to Induce Osteogenic Differentiation of Human Bone Marrow Stem Cells. Macromol Biosci 2019; 19:e1900049. [PMID: 31050389 DOI: 10.1002/mabi.201900049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/18/2019] [Indexed: 01/05/2023]
Abstract
Polyester-based scaffolds covalently functionalized with arginine-glycine-aspartic acid-cysteine (RGDC) peptide sequences support the proliferation and osteogenic differentiation of stem cells. The aim is to create an optimized 3D niche to sustain human bone marrow stem cell (hBMSC) viability and osteogenic commitment, without reliance on differentiation media. Scaffolds consisting of poly(lactide-co-trimethylene carbonate), poly(LA-co-TMC), and functionalized poly(lactide) copolymers with pendant thiol groups are prepared by salt-leaching technique. The availability of functional groups on scaffold surfaces allows for an easy and straightforward method to covalently attach RGDC peptide motifs without affecting the polymerization degree. The strategy enables the chemical binding of bioactive motifs on the surfaces of 3D scaffolds and avoids conventional methods that require harsh conditions. Gene and protein levels and mineral deposition indicate the osteogenic commitment of hBMSC cultured on the RGDC functionalized surfaces. The osteogenic commitment of hBMSC is enhanced on functionalized surfaces compared with nonfunctionalized surfaces and without supplementing media with osteogenic factors. Poly(LA-co-TMC) scaffolds have potential as scaffolds for osteoblast culture and bone grafts. Furthermore, these results contribute to the development of biomimetic materials and allow a deeper comprehension of the importance of RGD peptides on stem cell transition toward osteoblastic lineage.
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Affiliation(s)
- Mohammed A Yassin
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden.,Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Tiziana Fuoco
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
| | - Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Årstadveien 19, 5009 Bergen, Bergen, Norway
| | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen, 56-58, SE, 100-44, Stockholm, Sweden
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19
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Fuoco T, Mathisen T, Finne-Wistrand A. Minimizing the time gap between service lifetime and complete resorption of degradable melt-spun multifilament fibers. Polym Degrad Stab 2019. [DOI: 10.1016/j.polymdegradstab.2019.02.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Fuoco T, Mathisen T, Finne-Wistrand A. Poly(l-lactide) and Poly(l-lactide- co-trimethylene carbonate) Melt-Spun Fibers: Structure-Processing-Properties Relationship. Biomacromolecules 2019; 20:1346-1361. [PMID: 30665299 DOI: 10.1021/acs.biomac.8b01739] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
l-Lactide/trimethylene carbonate copolymers have been produced as multifilament fibers by high-speed melt-spinning. The relationship existing between the composition, processing parameters and physical properties of the fibers has been disclosed by analyzing how the industrial process induced changes at the macromolecular level, i.e., the chain microstructure and crystallinity development. A poly(l-lactide) and three copolymers having trimethylene carbonate contents of 5, 10 and 18 mol % were synthesized with high molecular weight ( Mn) up to 377 kDa and narrow dispersity. Their microstructure, crystallinity and thermal properties were dictated by the composition. The spinnability was then assessed for all the as-polymerized materials: four melt-spun multifilament fibers with increasing linear density were collected for each (co)polymer at a fixed take-up speed of 1800 m min-1 varying the mass throughput during the extrusion. A linear correlation resulted between the as-spun fiber properties and the linear density. The as-spun fibers could be further oriented, developing more crystallinity and improving their tensile properties by a second stage of hot-drawing. This ability was dependent on the composition and crystallinity achieved during the melt-spinning and the parameters selected for the hot-drawing, such as temperature, draw ratio and input speed. The crystalline structure evolved to a more stable form, and the degree of crystallinity increased from 0-52% to 25-66%. Values of tensile strength and Young's modulus up to 0.32-0.61 GPa and 4.9-8.4 GPa were respectively achieved.
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Affiliation(s)
- Tiziana Fuoco
- Department of Fibre and Polymer Technology , KTH Royal Institute of Technology , 100 44 Stockholm , Sweden
| | | | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology , KTH Royal Institute of Technology , 100 44 Stockholm , Sweden
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21
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Awad NK, Niu H, Ali U, Morsi YS, Lin T. Electrospun Fibrous Scaffolds for Small-Diameter Blood Vessels: A Review. MEMBRANES 2018; 8:E15. [PMID: 29509698 PMCID: PMC5872197 DOI: 10.3390/membranes8010015] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 01/31/2018] [Accepted: 02/28/2018] [Indexed: 11/24/2022]
Abstract
Small-diameter blood vessels (SDBVs) are still a challenging task to prepare due to the occurrence of thrombosis formation, intimal hyperplasia, and aneurysmal dilation. Electrospinning technique, as a promising tissue engineering approach, can fabricate polymer fibrous scaffolds that satisfy requirements on the construction of extracellular matrix (ECM) of native blood vessel and promote the adhesion, proliferation, and growth of cells. In this review, we summarize the polymers that are deployed for the fabrication of SDBVs and classify them into three categories, synthetic polymers, natural polymers, and hybrid polymers. Furthermore, the biomechanical properties and the biological activities of the electrospun SBVs including anti-thrombogenic ability and cell response are discussed. Polymer blends seem to be a strategic way to fabricate SDBVs because it combines both suitable biomechanical properties coming from synthetic polymers and favorable sites to cell attachment coming from natural polymers.
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Affiliation(s)
- Nasser K Awad
- Biomechanics and Tissue Engineering Group, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
- Institute for Frontier Materials, Deakin University, Geelong, VIC 3216, Australia.
- Electrochemistry and Corrosion Laboratory, National Research Centre, Dokki, Cairo 12422, Egypt.
| | - Haitao Niu
- Institute for Frontier Materials, Deakin University, Geelong, VIC 3216, Australia.
| | - Usman Ali
- Institute for Frontier Materials, Deakin University, Geelong, VIC 3216, Australia.
- College of Textile Engineering, Bahauddin Zakariya University, Multan 60800, Pakistan.
| | - Yosry S Morsi
- Biomechanics and Tissue Engineering Group, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
| | - Tong Lin
- Institute for Frontier Materials, Deakin University, Geelong, VIC 3216, Australia.
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22
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Wang SD, Ma Q, Wang K, Ma PB. Strong and biocompatible three-dimensional porous silk fibroin/graphene oxide scaffold prepared by phase separation. Int J Biol Macromol 2018; 111:237-246. [PMID: 29320721 DOI: 10.1016/j.ijbiomac.2018.01.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 12/25/2017] [Accepted: 01/04/2018] [Indexed: 11/27/2022]
Abstract
Silk fibroin (SF) is blended with graphene oxide (GO) to prepare the strong and biocompatible three dimensional porous SF/GO blended scaffold via phase separation. GO could be well dispersed in SF solution and GO could also be well distributed in the SF scaffold. Furthermore, the introduction of GO can lead to structural change in the bended scaffold. Higher concentration of GO resulted in more compact structure and smaller pore size of the composite scaffolds without decreasing their porosity. Scanning electron microscopy and energy dispersive spectrometry results also reveal that SF and GO are homogeneous blended together. Analysis of chemical structures of the scaffold shows that addition of GO do not affect the crystalline structure of SF and it is evenly blended with SF. The blended scaffold has significantly higher breaking strength than the pure SF scaffold. In vitro study indicates that both pure SF scaffold and SF/GO composite scaffold support growth and proliferation of MC3T3-E1 osteoprogenitor cells. However, the addition of GO contribute to the proliferation of MC3T3-E1 osteoprogenitor. The testing results show that the blended scaffold is an appropriate candidate for tissue engineering.
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Affiliation(s)
- Shu-Dong Wang
- Jiangsu Research and Development Center of the Ecological Textile Engineering and Technology, School of Textile and Clothing, Yancheng Polytechnic College, Yancheng 224005, China; Ministry of Education's Key Laboratory of Eco-textiles, Jiangnan University, Wuxi 214112, China; Hubei New Textile Material & Application Key Laboratory, Wuhan Textile University, Wuhan 430200, China.
| | - Qian Ma
- Jiangsu Research and Development Center of the Ecological Textile Engineering and Technology, School of Textile and Clothing, Yancheng Polytechnic College, Yancheng 224005, China
| | - Ke Wang
- Jiangsu Research and Development Center of the Ecological Textile Engineering and Technology, School of Textile and Clothing, Yancheng Polytechnic College, Yancheng 224005, China
| | - Pi-Bo Ma
- Ministry of Education's Key Laboratory of Eco-textiles, Jiangnan University, Wuxi 214112, China.
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Chen Q, Cao L, Wang JL, Zhao H, Lin H, Fan ZY, Dong J. Improved cell adhesion and osteogenesis using a PLTGA (poly l-lactide, 1,3-trimethylene carbonate, and glycolide) terpolymer by gelatin-assisted hydroxyapatite immobilization for bone regeneration. J Mater Chem B 2018; 6:301-311. [PMID: 32254172 DOI: 10.1039/c7tb02293j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Schematic illustration of the procedures for preparing the GEL/HAP-coated PLTGA film, and representative images of the improved cellular behaviors.
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Affiliation(s)
- Qian Chen
- Department of Orthopaedic Surgery
- Zhongshan Hospital
- Fudan University
- Shanghai 200032
- China
| | - Lu Cao
- Department of Orthopaedic Surgery
- Zhongshan Hospital
- Fudan University
- Shanghai 200032
- China
| | - Jie-Lin Wang
- Department of Materials Science
- Fudan University
- Shanghai 200433
- China
| | - Hang Zhao
- Department of Materials Science
- Fudan University
- Shanghai 200433
- China
| | - Hong Lin
- Department of Orthopaedic Surgery
- Zhongshan Hospital
- Fudan University
- Shanghai 200032
- China
| | - Zhong-Yong Fan
- Department of Materials Science
- Fudan University
- Shanghai 200433
- China
| | - Jian Dong
- Department of Orthopaedic Surgery
- Zhongshan Hospital
- Fudan University
- Shanghai 200032
- China
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24
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Fukushima K, Inoue Y, Haga Y, Ota T, Honda K, Sato C, Tanaka M. Monoether-Tagged Biodegradable Polycarbonate Preventing Platelet Adhesion and Demonstrating Vascular Cell Adhesion: A Promising Material for Resorbable Vascular Grafts and Stents. Biomacromolecules 2017; 18:3834-3843. [PMID: 28972745 DOI: 10.1021/acs.biomac.7b01210] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We developed a biodegradable polycarbonate that demonstrates antithrombogenicity and vascular cell adhesion via organocatalytic ring-opening polymerization of a trimethylene carbonate (TMC) analogue bearing a methoxy group. The monoether-tagged polycarbonate demonstrates a platelet adhesion property that is 93 and 89% lower than those of poly(ethylene terephthalate) and polyTMC, respectively. In contrast, vascular cell adhesion properties of the polycarbonate are comparable to those controls, indicating a potential for selective cell adhesion properties. This difference in the cell adhesion property is well associated with surface hydration, which affects protein adsorption and denaturation. Fibrinogen is slightly denatured on the monoether-tagged polycarbonate, whereas fibronectin is highly activated to expose the RGD motif for favorable vascular cell adhesion. The surface hydration, mainly induced by the methoxy side chain, also contributes to slowing the enzymatic degradation. Consequently, the polycarbonate exhibits decent blood compatibility, vascular cell adhesion properties, and biodegradability, which is promising for applications in resorbable vascular grafts and stents.
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Affiliation(s)
| | | | | | | | | | | | - Masaru Tanaka
- Institute for Materials Chemistry and Engineering, Kyushu University , 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Ngadiman NHA, Noordin MY, Idris A, Kurniawan D. A review of evolution of electrospun tissue engineering scaffold: From two dimensions to three dimensions. Proc Inst Mech Eng H 2017; 231:597-616. [DOI: 10.1177/0954411917699021] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The potential of electrospinning process to fabricate ultrafine fibers as building blocks for tissue engineering scaffolds is well recognized. The scaffold construct produced by electrospinning process depends on the quality of the fibers. In electrospinning, material selection and parameter setting are among many factors that contribute to the quality of the ultrafine fibers, which eventually determine the performance of the tissue engineering scaffolds. The major challenge of conventional electrospun scaffolds is the nature of electrospinning process which can only produce two-dimensional electrospun mats, hence limiting their applications. Researchers have started to focus on overcoming this limitation by combining electrospinning with other techniques to fabricate three-dimensional scaffold constructs. This article reviews various polymeric materials and their composites/blends that have been successfully electrospun for tissue engineering scaffolds, their mechanical properties, and the various parameters settings that influence the fiber morphology. This review also highlights the secondary processes to electrospinning that have been used to develop three-dimensional tissue engineering scaffolds as well as the steps undertaken to overcome electrospinning limitations.
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Affiliation(s)
| | - MY Noordin
- Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| | - Ani Idris
- Faculty of Chemical & Energy Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
| | - Denni Kurniawan
- Department of Mechanical Engineering, Curtin University, Miri, Malaysia
- Department of Mechanical, Robotics and Energy Engineering, Dongguk University, Seoul, Korea
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26
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Cork J, Whittaker AK, Cooper-White JJ, Grøndahl L. Electrospinning and mechanical properties of P(TMC-co-LLA) elastomers. J Mater Chem B 2017; 5:2263-2272. [DOI: 10.1039/c7tb00137a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
P(TMC-co-LLA) elastomers have shown great potential for various biomaterial and tissue engineering applications.
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Affiliation(s)
- Jorja Cork
- School of Chemistry and Molecular Biosciences
- University of Queensland
- Brisbane
- Australia
- The Australian Institute for Bioengineering and Nanotechnology
| | - Andrew K. Whittaker
- The Australian Institute for Bioengineering and Nanotechnology
- University of Queensland
- Brisbane
- Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
| | - Justin J. Cooper-White
- The Australian Institute for Bioengineering and Nanotechnology
- University of Queensland
- Brisbane
- Australia
- School of Chemical Engineering
| | - Lisbeth Grøndahl
- School of Chemistry and Molecular Biosciences
- University of Queensland
- Brisbane
- Australia
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Low-temperature deposition manufacturing: A novel and promising rapid prototyping technology for the fabrication of tissue-engineered scaffold. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 70:976-982. [DOI: 10.1016/j.msec.2016.04.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 03/19/2016] [Accepted: 04/04/2016] [Indexed: 11/23/2022]
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Tan Z, Wang H, Gao X, Liu T, Tan Y. Composite vascular grafts with high cell infiltration by co-electrospinning. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:369-377. [DOI: 10.1016/j.msec.2016.05.067] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 02/22/2016] [Accepted: 05/15/2016] [Indexed: 10/21/2022]
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Harrison S, Tamimi E, Uhlorn J, Leach T, Vande Geest JP. Computationally Optimizing the Compliance of a Biopolymer Based Tissue Engineered Vascular Graft. J Biomech Eng 2016; 138:2473573. [PMID: 26593773 DOI: 10.1115/1.4032060] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Indexed: 11/08/2022]
Abstract
Coronary heart disease is a leading cause of death among Americans for which coronary artery bypass graft (CABG) surgery is a standard surgical treatment. The success of CABG surgery is impaired by a compliance mismatch between vascular grafts and native vessels. Tissue engineered vascular grafts (TEVGs) have the potential to be compliance matched and thereby reduce the risk of graft failure. Glutaraldehyde (GLUT) vapor-crosslinked gelatin/fibrinogen constructs were fabricated and mechanically tested in a previous study by our research group at 2, 8, and 24 hrs of GLUT vapor exposure. The current study details a computational method that was developed to predict the material properties of our constructs for crosslinking times between 2 and 24 hrs by interpolating the 2, 8, and 24 hrs crosslinking time data. matlab and abaqus were used to determine the optimal combination of fabrication parameters to produce a compliance matched construct. The validity of the method was tested by creating a 16-hr crosslinked construct of 130 μm thickness and comparing its compliance to that predicted by the optimization algorithm. The predicted compliance of the 16-hr construct was 0.00059 mm Hg-1 while the experimentally determined compliance was 0.00065 mm Hg-1, a relative difference of 9.2%. Prior data in our laboratory has shown the compliance of the left anterior descending porcine coronary (LADC) artery to be 0.00071 ± 0.0003 mm Hg-1. Our optimization algorithm predicts that a 258-μm-thick construct that is GLUT vapor crosslinked for 8.1 hrs would match LADC compliance. This result is consistent with our previous work demonstrating that an 8-hr GLUT vapor crosslinked construct produces a compliance that is not significantly different from a porcine coronary LADC.
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Ngadiman NHA, Mohd Yusof N, Idris A, Kurniawan D. Mechanical properties and biocompatibility of co-axially electrospun polyvinyl alcohol/maghemite. Proc Inst Mech Eng H 2016; 230:739-49. [DOI: 10.1177/0954411916649632] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 04/21/2016] [Indexed: 11/16/2022]
Abstract
Electrospinning is a simple and efficient process in producing nanofibers. To fabricate nanofibers made of a blend of two constituent materials, co-axial electrospinning method is an option. In this method, the constituent materials contained in separate barrels are simultaneously injected using two syringe nozzles arranged co-axially and the materials mix during the spraying process forming core and shell of the nanofibers. In this study, co-axial electrospinning method is used to fabricate nanofibers made of polyvinyl alcohol and maghemite (γ-Fe2O3). The concentration of polyvinyl alcohol and amount of maghemite nanoparticle loading were varied, at 5 and 10 w/v% and at 1–10 v/v%, respectively. The mechanical properties (strength and Young’s modulus), porosity, and biocompatibility properties (contact angle and cell viability) of the electrospun mats were evaluated, with the same mats fabricated by regular single-nozzle electrospinning method as the control. The co-axial electrospinning method is able to fabricate the expected polyvinyl alcohol/maghemite nanofiber mats. It was noticed that the polyvinyl alcohol/maghemite electrospun mats have lower mechanical properties (i.e. strength and stiffness) and porosity, more hydrophilicity (i.e. lower contact angle), and similar cell viability compared to the mats fabricated by single-nozzle electrospinning method.
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Affiliation(s)
| | - Noordin Mohd Yusof
- Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Ani Idris
- Faculty of Chemical Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Denni Kurniawan
- Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
- Department of Mechanical, Robotics, and Energy Engineering, Dongguk University, Seoul, Korea
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31
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Stefani I, Cooper-White J. Development of an in-process UV-crosslinked, electrospun PCL/aPLA-co-TMC composite polymer for tubular tissue engineering applications. Acta Biomater 2016; 36:231-40. [PMID: 26969522 DOI: 10.1016/j.actbio.2016.03.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/29/2016] [Accepted: 03/07/2016] [Indexed: 01/14/2023]
Abstract
UNLABELLED Cardiovascular diseases remain the largest cause of death worldwide, and half of these deaths are the result of failure of the vascular system. Tissue engineering promises to provide new, and potentially more effective therapeutic strategies to replace damaged or degenerated vessels with functional vessels. However, these engineered vessels have substantial performance criteria, including vessel-like tubular shape, structure and mechanical property slate. Further, whether implanted without or with prior in vitro culture, such tubular scaffolds must provide a suitable environment for cell adhesion and growth and be of sufficient porosity to permit cell colonization. This study investigates the fabrication of slowly degradable, composite tubular polymer scaffolds made from polycaprolactone (PCL) and acrylated l-lactide-co-trimethylene carbonate (aPLA-co-TMC). The addition of acrylate groups permits the 'in-process' formation of crosslinks between aPLA-co-TMC chains during electrospinning of the composite system, exemplifying a novel process to produce multicomponent, elastomeric electrospun polymer scaffolds. Although PCL and aPLA-co-TMC were miscible in a co-solvent, a criteria for electrospinning, due to thermodynamic incompatibility of the two polymers as melts, solvent evaporation during electrospinning drove phase separation of these two systems, producing 'core-shell' fibres, with the core being composed of PCL, and the shell of crosslinked elastomeric aPLA-co-TMC. The resulting elastic fibrous scaffolds displayed burst pressures and suture retention strengths comparable with human arteries. Cytocompatibility testing with human mesenchymal stem cells confirmed adhesion to, and proliferation on the three-dimensional fibrous network, as well as alignment with highly-organized fibres. This new processing methodology and resulting mechanically-robust composite scaffolds hold significant promise for tubular tissue engineering applications. STATEMENT OF SIGNIFICANCE Autologous small diameter blood vessel grafts are unsuitable solutions for vessel repair. Engineered solutions such as tubular biomaterial scaffolds however have substantial performance criteria to meet, including vessel-like tubular shape, structure and mechanical property slate. We detail herein an innovative methodology to co-electrospin and 'in-process' crosslink composite mixtures of Poly(caprolactone) and a newly synthesised acrylated-Poly(lactide-co-trimethylene-carbonate) to create elastomeric, core-shell nanofibrous porous scaffolds in a one-step process. This novel composite system can be used to make aligned scaffolds that encourage stem cell adhesion, growth and morphological control, and produce robust tubular scaffolds of tunable internal diameter and wall thickness that possess mechanical properties approaching those of native vessels, ideal for future applications in the field of vessel tissue engineering.
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32
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Fukushima K. Poly(trimethylene carbonate)-based polymers engineered for biodegradable functional biomaterials. Biomater Sci 2016; 4:9-24. [DOI: 10.1039/c5bm00123d] [Citation(s) in RCA: 211] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review presents recent examples of applications and functionalization strategies of poly(trimethylene carbonate), its copolymers, and its derivatives to exploit the unique physicochemical properties of the aliphatic polycarbonate backbone.
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Affiliation(s)
- K. Fukushima
- Department of Polymer Science and Engineering
- Graduate School of Science and Engineering
- Yamagata University
- Yamagata 992-8510
- Japan
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33
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Zhou C, Wei Z, Lei X, Li Y. Fully biobased thermoplastic elastomers: synthesis and characterization of poly(l-lactide)-b-polymyrcene-b-poly(l-lactide) triblock copolymers. RSC Adv 2016. [DOI: 10.1039/c6ra08689f] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Fully biobased thermoplastic elastomers poly(l-lactide)-b-polymyrcene-b-poly(l-lactide) triblock copolymers with PLLA as hard block and polymyrcene as soft block were synthesized and evaluated.
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Affiliation(s)
- Cheng Zhou
- State Key Laboratory of Fine Chemicals
- Department of Polymer Science and Materials
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Zhiyong Wei
- State Key Laboratory of Fine Chemicals
- Department of Polymer Science and Materials
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Xuefei Lei
- State Key Laboratory of Fine Chemicals
- Department of Polymer Science and Materials
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
| | - Yang Li
- State Key Laboratory of Fine Chemicals
- Department of Polymer Science and Materials
- School of Chemical Engineering
- Dalian University of Technology
- Dalian 116024
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Münchow EA, Pankajakshan D, Albuquerque MTP, Kamocki K, Piva E, Gregory RL, Bottino MC. Synthesis and characterization of CaO-loaded electrospun matrices for bone tissue engineering. Clin Oral Investig 2015; 20:1921-1933. [PMID: 26612403 DOI: 10.1007/s00784-015-1671-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 11/18/2015] [Indexed: 01/09/2023]
Abstract
OBJECTIVES This study aims to synthesize and characterize biodegradable polymer-based matrices loaded with CaO nanoparticles for osteomyelitis treatment and bone tissue engineering. MATERIALS AND METHODS Poly(ε-caprolactone) (PCL) and PCL/gelatin (1:1, w/w) solutions containing CaO nanoparticles were electrospun into fibrous matrices. Scanning (SEM) and transmission (TEM) electron microscopy, Fourier transformed infrared (FTIR), energy dispersive X-ray spectroscopy (EDS), contact angle (CA), tensile testing, and antibacterial activity (agar diffusion assay) against Staphylococcus aureus were performed. Osteoprecursor cell (MC3T3-E1) response (i.e., viability and alkaline phosphatase expression/ALP) and infiltration into the matrices were evaluated. RESULTS CaO nanoparticles were successfully incorporated into the fibers, with the median fiber diameter decreasing after CaO incorporation. The CA decreased with the addition of CaO, and the presence of gelatin made the matrix very hydrophilic (CA = 0°). Increasing CaO concentrations progressively reduced the mechanical properties (p ≤ 0.030). CaO-loaded matrices did not display consistent antibacterial activity. MC3T3-E1 cell viability demonstrated the highest levels for CaO-loaded matrices containing gelatin after 7 days in culture. An increased ALP expression was consistently seen for PCL/CaO matrices when compared to PCL and gelatin-containing counterparts. CONCLUSIONS Despite inconsistent antibacterial activity, CaO nanoparticles can be effectively loaded into PCL or PCL/gelatin fibers without negatively affecting the overall performance of the matrices. More importantly, CaO incorporation enhanced cell viability as well as differentiation capacity, as demonstrated by an increased ALP expression. CLINICAL SIGNIFICANCE CaO-loaded electrospun matrices show potential for applications in bone tissue engineering.
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Affiliation(s)
- Eliseu A Münchow
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA.,School of Dentistry, Federal University of Pelotas - UFPel, Pelotas, RS, 96065-560, Brazil
| | - Divya Pankajakshan
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA
| | - Maria T P Albuquerque
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA.,Graduate Program in Dentistry, Universidade Estadual Paulista, São José dos Campos Dental School, São José dos Campos, São Paulo, 12245-000, Brazil
| | - Krzysztof Kamocki
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA
| | - Evandro Piva
- School of Dentistry, Federal University of Pelotas - UFPel, Pelotas, RS, 96065-560, Brazil
| | - Richard L Gregory
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA
| | - Marco C Bottino
- Division of Dental Biomaterials, Department of Biomedical and Applied Sciences, Indiana University School of Dentistry , 1121 W. Michigan Street, Indianapolis, IN, 46202, USA.
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Limbert G, Omar R, Krynauw H, Bezuidenhout D, Franz T. The anisotropic mechanical behaviour of electro-spun biodegradable polymer scaffolds: Experimental characterisation and constitutive formulation. J Mech Behav Biomed Mater 2015; 53:21-39. [PMID: 26301317 DOI: 10.1016/j.jmbbm.2015.07.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 07/07/2015] [Accepted: 07/16/2015] [Indexed: 01/17/2023]
Abstract
Electro-spun biodegradable polymer fibrous structures exhibit anisotropic mechanical properties dependent on the degree of fibre alignment. Degradation and mechanical anisotropy need to be captured in a constitutive formulation when computational modelling is used in the development and design optimisation of such scaffolds. Biodegradable polyester-urethane scaffolds were electro-spun and underwent uniaxial tensile testing in and transverse to the direction of predominant fibre alignment before and after in vitro degradation of up to 28 days. A microstructurally-based transversely isotropic hyperelastic continuum constitutive formulation was developed and its parameters were identified from the experimental stress-strain data of the scaffolds at various stages of degradation. During scaffold degradation, maximum stress and strain in circumferential direction decreased from 1.02 ± 0.23 MPa to 0.38 ± 0.004 MPa and from 46 ± 11 % to 12 ± 2 %, respectively. In longitudinal direction, maximum stress and strain decreased from 0.071 ± 0.016 MPa to 0.010 ± 0.007 MPa and from 69 ± 24 % to 8 ± 2 %, respectively. The constitutive parameters were identified for both directions of the non-degraded and degraded scaffold for strain range varying between 0% and 16% with coefficients of determination r(2)>0.871. The six-parameter constitutive formulation proved versatile enough to capture the varying non-linear transversely isotropic behaviour of the fibrous scaffold throughout various stages of degradation.
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Affiliation(s)
- Georges Limbert
- National Centre for Advanced Tribology at Southampton (nCATS), Engineering Sciences, Faculty of Engineering and the Environment, University of Southampton, Southampton SO17 1BJ, UK; Bioengineering Science Research Group, Engineering Sciences, Faculty of Engineering and the Environment, University of Southampton, Southampton SO17 1BJ, UK; Division of Biomedical Engineering, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory 7935, South Africa.
| | - Rodaina Omar
- Cardiovascular Research Unit, Chris Barnard Department of Cardiothoracic Surgery, Faculty of Health Sciences, University of Cape Town, Observatory 7935, South Africa
| | - Hugo Krynauw
- Cardiovascular Research Unit, Chris Barnard Department of Cardiothoracic Surgery, Faculty of Health Sciences, University of Cape Town, Observatory 7935, South Africa
| | - Deon Bezuidenhout
- Cardiovascular Research Unit, Chris Barnard Department of Cardiothoracic Surgery, Faculty of Health Sciences, University of Cape Town, Observatory 7935, South Africa
| | - Thomas Franz
- Division of Biomedical Engineering, Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Observatory 7935, South Africa; Centre for Research in Computational and Applied Mechanics, University of Cape Town, Rondebosch 7701, South Africa; Research Office, University of Cape Town, Mowbray 7701, South Africa
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36
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Shan X, Liu C, Li F, Ouyang C, Gao Q, Zheng K. Nanoparticles vs. nanofibers: a comparison of two drug delivery systems on assessing drug release performance in vitro. Des Monomers Polym 2015. [DOI: 10.1080/15685551.2015.1070500] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Xiaoqian Shan
- School of Materials Science & Engineering, Shanghai Institute of Technology, Shanghai 200235, P.R. China
| | - Changsheng Liu
- The State Key Laboratory of Bioreactor Engineering, Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Fengqian Li
- Department of Pharmaceutics, Shanghai Xuhui Dahua Hospital, Shanghai 200237, P.R. China
| | - Chunfa Ouyang
- School of Materials Science & Engineering, Shanghai Institute of Technology, Shanghai 200235, P.R. China
| | - Qun Gao
- School of Materials Science & Engineering, Shanghai Institute of Technology, Shanghai 200235, P.R. China
| | - Kangsheng Zheng
- School of Materials Science & Engineering, Shanghai Institute of Technology, Shanghai 200235, P.R. China
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Shaker MA, Younes HM. Photo-irradiation paradigm: Mapping a remarkable facile technique used for advanced drug, gene and cell delivery. J Control Release 2015; 217:10-26. [PMID: 26184048 DOI: 10.1016/j.jconrel.2015.07.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 07/02/2015] [Accepted: 07/03/2015] [Indexed: 12/13/2022]
Abstract
Undoubtedly, the progression of photo-irradiation technique has provided a smart engineering tool for the state-of-the-art biomaterials that guide the biomedical and therapeutic domains for promoting the modern pharmaceutical industry. Many investigators had exploited such a potential technique to create/ameliorate numerous pharmaceutical carriers. These carriers show promising applications that vary from small drug to therapeutic protein delivery and from gene to living cell encapsulation design. Harmony between the properties of precisely engineered precursors and the formed network structure broadens the investigator's intellect for both brilliant creations and effective applications. As well, controlling photo-curing at the formulation level, through manipulating the absorption of light stimuli, photoinitiator system and photo-responsive precursor, facilitates the exploration of novel distinctive biomaterials. Discussion of utilizing different photo-curing procedures in designing/formulation of different pharmaceutical carriers is the main emphasis of this review. In addition, recent applications of these intelligent techniques in targeted, controlled, and sustained drug delivery with understanding of photo-irradiation concept and mechanism are illustrated.
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Affiliation(s)
- Mohamed A Shaker
- Pharmaceutics Department, College of Pharmacy, PO Box 30040, Taibah University, Al Madina Al Munawara, Saudi Arabia; Pharmaceutics Department, Faculty of Pharmacy, Helwan University, Cairo, Egypt.
| | - Husam M Younes
- Pharmaceutics & Polymeric Drug Delivery Research Lab (PPDDRL), College of Pharmacy, PO Box 2713, Qatar University, Doha, Qatar
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Münchow EA, Albuquerque MTP, Zero B, Kamocki K, Piva E, Gregory RL, Bottino MC. Development and characterization of novel ZnO-loaded electrospun membranes for periodontal regeneration. Dent Mater 2015; 31:1038-51. [PMID: 26116414 DOI: 10.1016/j.dental.2015.06.004] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 04/16/2015] [Accepted: 06/01/2015] [Indexed: 12/29/2022]
Abstract
OBJECTIVES This study reports on the synthesis, materials characterization, antimicrobial capacity, and cytocompatibility of novel ZnO-loaded membranes for guided tissue/bone regeneration (GTR/GBR). METHODS Poly(ɛ-caprolactone) (PCL) and PCL/gelatin (PCL/GEL) were dissolved in hexafluoropropanol and loaded with ZnO at distinct concentrations: 0 (control), 5, 15, and 30wt.%. Electrospinning was performed using optimized parameters and the fibers were characterized via scanning and transmission electron microscopies (SEM/TEM), energy dispersive X-ray spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), contact angle (CA), mechanical testing, antimicrobial activity against periodontopathogens, and cytotoxicity test using human dental pulp stem cells (hDPSCs). Data were analyzed using ANOVA and Tukey (α=5%). RESULTS ZnO nanoparticles were successfully incorporated into the overall submicron fibers, which showed fairly good morphology and microstructure. Upon ZnO nanoparticles' incorporation, the PCL and PCL/GEL fibers became thicker and thinner, respectively. All GEL-containing membranes showed lower CA than the PCL-based membranes, which were highly hydrophobic. Overall, the mechanical properties of the membranes were reduced upon ZnO incorporation, except for PCL-based membranes containing ZnO at the 30wt.% concentration. The presence of GEL enhanced the stretching ability of membranes under wet conditions. All ZnO-containing membranes displayed antibacterial activity against the bacteria tested, which was generally more pronounced with increased ZnO content. All membranes synthesized in this study demonstrated satisfactory cytocompatibility, although the presence of 30wt.% ZnO led to decreased viability. SIGNIFICANCE Collectively, this study suggests that PCL- and PCL/GEL-based membranes containing a low content of ZnO nanoparticles can potentially function as a biologically safe antimicrobial GTR/GBR membrane.
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Affiliation(s)
- Eliseu A Münchow
- Department of Restorative Dentistry, Division of Dental Biomaterials, Indiana University School of Dentistry (IUSD), Indianapolis, IN 46202, USA; Department of Operative Dentistry, Federal University of Pelotas (UFPEL), School of Dentistry, Pelotas, RS 96015-560, Brazil
| | - Maria Tereza P Albuquerque
- Department of Restorative Dentistry, Division of Dental Biomaterials, Indiana University School of Dentistry (IUSD), Indianapolis, IN 46202, USA; Graduate Program in Restorative Dentistry, Universidade Estadual Paulista, São José dos Campos Dental School, São José dos Campos, São Paulo 12245-000, Brazil
| | - Bianca Zero
- Department of Restorative Dentistry, Division of Dental Biomaterials, Indiana University School of Dentistry (IUSD), Indianapolis, IN 46202, USA
| | - Krzysztof Kamocki
- Department of Restorative Dentistry, Division of Dental Biomaterials, Indiana University School of Dentistry (IUSD), Indianapolis, IN 46202, USA
| | - Evandro Piva
- Department of Operative Dentistry, Federal University of Pelotas (UFPEL), School of Dentistry, Pelotas, RS 96015-560, Brazil
| | | | - Marco C Bottino
- Department of Restorative Dentistry, Division of Dental Biomaterials, Indiana University School of Dentistry (IUSD), Indianapolis, IN 46202, USA.
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Yao Y, Liu H, Ding X, Jing X, Gong X, Zhou G, Fan Y. Preparation and characterization of silk fibroin/poly(l-lactide-co-ε-caprolactone) nanofibrous membranes for tissue engineering applications. J BIOACT COMPAT POL 2015. [DOI: 10.1177/0883911515585185] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
In recent years, silk fibroin has become one of the most promising tissue engineering materials because of its excellent cytocompatibility. Poly(l-lactide-co-ε-caprolactone), the copolymer of poly(l-lactide) and poly(ε-caprolactone), possesses good mechanical properties, and its degradation rates can be manipulated by varying the ratio of the constituent polymers. In this study, in order to combine their respective characteristics, silk fibroin/poly(l-lactide-co-ε-caprolactone) nanofibrous membranes were fabricated through electrospinning with different mass ratios of 100:0, 75:25, 50:50, 25:75, and 0:100. The surface properties, thermodynamic properties, mechanical properties, and cytocompatibility of silk fibroin/poly(l-lactide-co-ε-caprolactone) blended membranes were evaluated, and an optimal blending ratio was identified. The results showed that the silk fibroin/poly(l-lactide-co-ε-caprolactone) blended membranes containing 75% of silk fibroin and 25% of poly(l-lactide-co-ε-caprolactone) achieved the most improved performances compared with the single-component membranes or the blended membranes with other mixing ratios. The results from this study indicated that 75/25 silk fibroin/poly(l-lactide-co-ε-caprolactone) blended membranes which combined the advantages of poly(l-lactide-co-ε-caprolactone) and silk fibroin might be a suitable candidate material for use in tissue engineering.
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Affiliation(s)
- Yuan Yao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Haifeng Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Xili Ding
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Xiaohui Jing
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Xianghui Gong
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Gang Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, International Research Center for Implantable and Interventional Medical Devices, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
- National Research Center for Rehabilitation Technical Aids, Beijing, China
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40
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Cork J, Whittaker AK, Cooper-White JJ, Grøndahl L. Tensile properties and in vitro degradation of P(TMC-co-LLA) elastomers. J Mater Chem B 2015; 3:4406-4416. [PMID: 32262784 DOI: 10.1039/c5tb00202h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
P(TMC-co-LLA) elastomers have shown great potential for various biomaterials applications. This study investigated properties key to such applications. Six statistical copolymers with 16 to 49 mol% TMC were synthesized and it was found that the LLA sequence length changed from 14 to 3 for the copolymer series while the M[combining macron]n decreased from 63 to 31 kg mol-1 with increasing TMC content. The thermal properties showed lower Tg values with increasing TMC content which agreed with the Fox equation. Solvent cast films exhibited Young's modulus values between 2.8 and 271 MPa, ultimate tensile strength of 0.6-15.5 MPa and elongation at failure from 356 to 1287%. In vitro degradation in PBS at 37 °C over 34 weeks demonstrated an induction period of 9 weeks during which the water content was minimal for all copolymers. Copolymer films with 21 or greater mol% TMC were found to undergo homogeneous bulk degradation, while films with 16 mol% TMC underwent heterogeneous bulk degradation.
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Affiliation(s)
- Jorja Cork
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, Queensland 4072, Australia.
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41
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Zhang Q, Lv S, Lu J, Jiang S, Lin L. Characterization of polycaprolactone/collagen fibrous scaffolds by electrospinning and their bioactivity. Int J Biol Macromol 2015; 76:94-101. [DOI: 10.1016/j.ijbiomac.2015.01.063] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 01/27/2015] [Accepted: 01/28/2015] [Indexed: 12/25/2022]
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Hong JK, Bang JY, Xu G, Lee JH, Kim YJ, Lee HJ, Kim HS, Kwon SM. Thickness-controllable electrospun fibers promote tubular structure formation by endothelial progenitor cells. Int J Nanomedicine 2015; 10:1189-200. [PMID: 25709441 PMCID: PMC4334353 DOI: 10.2147/ijn.s73096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Controlling the thickness of an electrospun nanofibrous scaffold by altering its pore size has been shown to regulate cell behaviors such as cell infiltration into a three-dimensional (3D) scaffold. This is of great importance when manufacturing tissue-engineering scaffolds using an electrospinning process. In this study, we report the development of a novel process whereby additional aluminum foil layers were applied to the accumulated electrospun fibers of an existing aluminum foil collector, effectively reducing the incidence of charge buildup. Using this process, we fabricated an electrospun scaffold with a large pore (pore size >40 μm) while simultaneously controlling the thickness. We demonstrate that the large pore size triggered rapid infiltration (160 μm in 4 hours of cell culture) of individual endothelial progenitor cells (EPCs) and rapid cell colonization after seeding EPC spheroids. We confirmed that the 3D, but not two-dimensional, scaffold structures regulated tubular structure formation by the EPCs. Thus, incorporation of stem cells into a highly porous 3D scaffold with tunable thickness has implications for the regeneration of vascularized thick tissues and cardiac patch development.
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Affiliation(s)
- Jong Kyu Hong
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan, South Korea ; Conversence Stem Cell Research Center, Medical Research Institute, School of Medicine, Pusan National University, Yangsan, South Korea
| | - Ju Yup Bang
- Department of Organic Material Science, Pusan National University, Geumjeong-gu, Busan, South Korea
| | - Guan Xu
- Department of Radiology, School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Jun-Hee Lee
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan, South Korea
| | - Yeon-Ju Kim
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan, South Korea
| | - Ho-Jun Lee
- Department of Electrical Engineering, Pusan National University, Geumjeong-gu, Busan, South Korea
| | - Han Seong Kim
- Department of Organic Material Science, Pusan National University, Geumjeong-gu, Busan, South Korea
| | - Sang-Mo Kwon
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan, South Korea ; Conversence Stem Cell Research Center, Medical Research Institute, School of Medicine, Pusan National University, Yangsan, South Korea ; Immunoregulatory Therapeutics Group in Brain Busan 21 Project, Department of Physiology, Pusan National University School of Medicine, Yangsan, South Korea
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43
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Ren X, Feng Y, Guo J, Wang H, Li Q, Yang J, Hao X, Lv J, Ma N, Li W. Surface modification and endothelialization of biomaterials as potential scaffolds for vascular tissue engineering applications. Chem Soc Rev 2015; 44:5680-742. [DOI: 10.1039/c4cs00483c] [Citation(s) in RCA: 359] [Impact Index Per Article: 39.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights the recent developments of surface modification and endothelialization of biomaterials in vascular tissue engineering applications.
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Affiliation(s)
- Xiangkui Ren
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Yakai Feng
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Jintang Guo
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin)
| | - Haixia Wang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Qian Li
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Jing Yang
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Xuefang Hao
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Juan Lv
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Nan Ma
- Institute of Chemistry and Biochemistry
- Free University of Berlin
- D-14195 Berlin
- Germany
| | - Wenzhong Li
- Department of Cardiac Surgery
- University of Rostock
- D-18057 Rostock
- Germany
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44
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Yin A, Li J, Bowlin GL, Li D, Rodriguez IA, Wang J, Wu T, EI-Hamshary HA, Al-Deyab SS, Mo X. Fabrication of cell penetration enhanced poly (l-lactic acid-co-ɛ-caprolactone)/silk vascular scaffolds utilizing air-impedance electrospinning. Colloids Surf B Biointerfaces 2014; 120:47-54. [DOI: 10.1016/j.colsurfb.2014.04.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 03/13/2014] [Accepted: 04/17/2014] [Indexed: 01/11/2023]
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45
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Shan X, Li F, Liu C, Gao Q. Electrospinning of chitosan/poly(lactic acid) nanofibers: The favorable effect of nonionic surfactant. J Appl Polym Sci 2014. [DOI: 10.1002/app.41098] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Xiaoqian Shan
- School of Materials Science & Engineering, Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
| | - Fengqian Li
- Department of Pharmaceutics; Shanghai Xuhui Dahua Hospital; Shanghai 200237 People's Republic of China
| | - Changsheng Liu
- The State Key Laboratory of Bioreactor Engineering; East China, University of Science and Technology; Shanghai 200237 People's Republic of China
| | - Qun Gao
- School of Materials Science & Engineering, Shanghai Institute of Technology; Shanghai 201418 People's Republic of China
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46
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Braghirolli DI, Steffens D, Pranke P. Electrospinning for regenerative medicine: a review of the main topics. Drug Discov Today 2014; 19:743-53. [DOI: 10.1016/j.drudis.2014.03.024] [Citation(s) in RCA: 157] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 03/06/2014] [Accepted: 03/27/2014] [Indexed: 12/20/2022]
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47
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Li H, Chang J, Qin Y, Wu Y, Yuan M, Zhang Y. Poly(lactide-co-trimethylene carbonate) and polylactide/polytrimethylene carbonate blown films. Int J Mol Sci 2014; 15:2608-21. [PMID: 24534806 PMCID: PMC3958871 DOI: 10.3390/ijms15022608] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 01/24/2014] [Accepted: 02/08/2014] [Indexed: 11/30/2022] Open
Abstract
In this work, poly(lactide-co-trimethylene carbonate) and polylactide/polytrimethylene carbonate films are prepared using a film blowing method. The process parameters, including temperature and screw speed, are studied, and the structures and properties of the P(LA-TMC) and PLA/PTMC films are investigated. The scanning electron microscope (SEM) images show that upon improving the content of TMC and PTMC, the lamellar structures of the films are obviously changed. With increasing TMC monomer or PTMC contents, the elongation at the break is improved, and the maximum is up to 525%. The water vapor permeability (WVP) results demonstrate that the WVP of the PLA/PTMC film increased with the increase in the PTMC content, whereas the WVP of the P(LA-TMC) film decreased. Thermogravimetric (TG) measurements reveal that the decomposition temperatures of the P(LA-TMC) and PLA/PTMC films decrease with increases in the TMC and PTMC contents, respectively, but the processing temperature is significantly lower than the initial decomposition temperature. P(LA-TMC) or PLA/PTMC film can extend the shelf life of apples, for instance, like commercial LDPE film used in fruit packaging in supermarkets.
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Affiliation(s)
- Hongli Li
- Engineering Research Center of Biopolymer Functional Materials of Yunnan, Yunnan University of Nationalities, 134, Yi Er Yi Avenue, Kunming 650031, Yunnan, China.
| | - Jiangping Chang
- Engineering Research Center of Biopolymer Functional Materials of Yunnan, Yunnan University of Nationalities, 134, Yi Er Yi Avenue, Kunming 650031, Yunnan, China.
| | - Yuyue Qin
- Institute of Chemical Engineering, Kunming University of Science and Technology, Kunming 650550, Yunnan, China.
| | - Yan Wu
- Institute of Chemical Engineering, Kunming University of Science and Technology, Kunming 650550, Yunnan, China.
| | - Minglong Yuan
- Engineering Research Center of Biopolymer Functional Materials of Yunnan, Yunnan University of Nationalities, 134, Yi Er Yi Avenue, Kunming 650031, Yunnan, China.
| | - Yingjie Zhang
- Institute of Chemical Engineering, Kunming University of Science and Technology, Kunming 650550, Yunnan, China.
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48
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Cytocompatibility of a silk fibroin tubular scaffold. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 34:429-36. [DOI: 10.1016/j.msec.2013.09.039] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 09/18/2013] [Accepted: 09/28/2013] [Indexed: 11/19/2022]
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49
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German SJ, Behbahani M, Miettinen S, Grijpma DW, Haimi SP. Proliferation and Differentiation of Adipose Stem Cells Towards Smooth Muscle Cells on Poly(trimethylene carbonate) Membranes. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/masy.201300100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Salvador Jimenez German
- Department of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
- Institute of Bioengineering, Biomaterials Laboratory; Aachen University of Applied Sciences; Jülich Germany
| | - Mehdi Behbahani
- Institute of Bioengineering, Biomaterials Laboratory; Aachen University of Applied Sciences; Jülich Germany
| | - Susanna Miettinen
- Institute for Biomedical Technology; University of Tampere; Tampere Finland
| | - Dirk W. Grijpma
- Department of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
- University of Groningen, University Medical Centre Groningen; Department of Biomedical Engineering; Groningen The Netherlands
| | - Suvi P. Haimi
- Department of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
- Institute for Biomedical Technology; University of Tampere; Tampere Finland
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50
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Liu T, Liu S, Zhang K, Chen J, Huang N. Endothelialization of implanted cardiovascular biomaterial surfaces: The development fromin vitrotoin vivo. J Biomed Mater Res A 2013; 102:3754-72. [DOI: 10.1002/jbm.a.35025] [Citation(s) in RCA: 81] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 10/10/2013] [Accepted: 10/18/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Tao Liu
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Shihui Liu
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
- Naton Institute of Medical Technology, Naton Medical Group; Peking China
| | - Kun Zhang
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Junying Chen
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
| | - Nan Huang
- Key Lab. of Advanced Technology for Materials of Chinese Education Ministry; School of Materials Science and Engineering, Southwest Jiaotong University; Chengdu China
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