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Huang K, Si Y, Wu H, Chen Y, Zhang S, Shi S, Guo C, Hu J. Electrosprayed Environment-Friendly Dry Triode-Like Facial Masks for Skincare. ACS APPLIED MATERIALS & INTERFACES 2024; 16:1899-1910. [PMID: 38146149 DOI: 10.1021/acsami.3c15815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
The cosmetics industry has a worrying impact on the environment, including the plastics used in products and packaging and environmentally unfriendly additives. In this study, we present an environment-friendly triode-like facial mask (TFM) that utilizes only green and degradable raw materials, nontoxic and harmless solvents, and electric energy to achieve distinct switchable directional water transport properties, avoids a wet storage environment, and reduces excessive packaging. The TFM demonstrates droplet stability when not in contact with the skin while facilitating rapid liquid transfer (15 μL) within durations of 2.8 s (dry skin) and 1.9 s (moist skin) upon contact. We elucidate the underlying mechanism behind this triode-like behavior, emphasizing the synergistic interaction of the wettability gradient, Gibbs pinning, and additional circumferential capillary force. Moreover, the TFM exhibits a reduction in the proportion of aging cells, decreasing from 44.33 to 13.75%, while simultaneously providing antibacterial and skin-beautifying effects. The TFM brings a novel experience while also holding the potential to reduce environmental pollution in the production, packaging, use, and recycling of cosmetics products.
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Affiliation(s)
- Kaisong Huang
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Yifan Si
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Hanbai Wu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Yuhan Chen
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Shuai Zhang
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Shuo Shi
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Chunxia Guo
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
| | - Jinlian Hu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong, S.A.R. 999077, China
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2
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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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3
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Badaraev AD, Lerner MI, Bakina OV, Sidelev DV, Tran TH, Krinitcyn MG, Malashicheva AB, Cherempey EG, Slepchenko GB, Kozelskaya AI, Rutkowski S, Tverdokhlebov SI. Antibacterial Activity and Cytocompatibility of Electrospun PLGA Scaffolds Surface-Modified by Pulsed DC Magnetron Co-Sputtering of Copper and Titanium. Pharmaceutics 2023; 15:pharmaceutics15030939. [PMID: 36986800 PMCID: PMC10058054 DOI: 10.3390/pharmaceutics15030939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 02/28/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023] Open
Abstract
Biocompatible poly(lactide-co-glycolide) scaffolds fabricated via electrospinning are having promising properties as implants for the regeneration of fast-growing tissues, which are able to degrade in the body. The hereby-presented research work investigates the surface modification of these scaffolds in order to improve antibacterial properties of this type of scaffolds, as it can increase their application possibilities in medicine. Therefore, the scaffolds were surface-modified by means of pulsed direct current magnetron co-sputtering of copper and titanium targets in an inert atmosphere of argon. In order to obtain different amounts of copper and titanium in the resulting coatings, three different surface-modified scaffold samples were produced by changing the magnetron sputtering process parameters. The success of the antibacterial properties’ improvement was tested with the methicillin-resistant bacterium Staphylococcus aureus. In addition, the resulting cell toxicity of the surface modification by copper and titanium was examined using mouse embryonic and human gingival fibroblasts. As a result, the scaffold samples surface-modified with the highest copper to titanium ratio show the best antibacterial properties and no toxicity against mouse fibroblasts, but have a toxic effect to human gingival fibroblasts. The scaffold samples with the lowest copper to titanium ratio display no antibacterial effect and toxicity. The optimal poly(lactide-co-glycolide) scaffold sample is surface-modified with a medium ratio of copper and titanium that has antibacterial properties and is non-toxic to both cell cultures.
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Affiliation(s)
- Arsalan D. Badaraev
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Marat I. Lerner
- Institute of Strength Physics and Materials Sciences of Siberian Branch of the Russian Academy of Sciences, 2/4 Akademicheskii Avenue, 634055 Tomsk, Russia
| | - Olga V. Bakina
- Institute of Strength Physics and Materials Sciences of Siberian Branch of the Russian Academy of Sciences, 2/4 Akademicheskii Avenue, 634055 Tomsk, Russia
| | - Dmitrii V. Sidelev
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Tuan-Hoang Tran
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Maksim G. Krinitcyn
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
- Institute of Strength Physics and Materials Sciences of Siberian Branch of the Russian Academy of Sciences, 2/4 Akademicheskii Avenue, 634055 Tomsk, Russia
| | - Anna B. Malashicheva
- Institute of Cytology RAS, 4 Tikhoretsky Avenue, 194064 Saint Petersburg, Russia
| | - Elena G. Cherempey
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Galina B. Slepchenko
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Anna I. Kozelskaya
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
| | - Sven Rutkowski
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
- Correspondence: (S.R.); (S.I.T.)
| | - Sergei I. Tverdokhlebov
- Weinberg Research Center, School of Nuclear Science & Engineering, National Research Tomsk Polytechnic University, 30 Lenin Avenue, 634050 Tomsk, Russia
- Correspondence: (S.R.); (S.I.T.)
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4
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Gaydhane MK, Sharma CS, Majumdar S. Electrospun nanofibres in drug delivery: advances in controlled release strategies. RSC Adv 2023; 13:7312-7328. [PMID: 36891485 PMCID: PMC9987416 DOI: 10.1039/d2ra06023j] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 12/14/2022] [Indexed: 03/08/2023] Open
Abstract
Emerging drug-delivery systems demand a controlled or programmable or sustained release of drug molecules to improve therapeutic efficacy and patient compliance. Such systems have been heavily investigated as they offer safe, accurate, and quality treatment for numerous diseases. Amongst newly developed drug-delivery systems, electrospun nanofibres have emerged as promising drug excipients and are coming up as promising biomaterials. The inimitable characteristics of electrospun nanofibres in terms of their high surface-to-volume ratio, high porosity, easy drug encapsulation, and programmable release make them an astounding drug-delivery vehicle.
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Affiliation(s)
- Mrunalini K Gaydhane
- Creative & Advanced Research Based on Nanomaterials (CARBON) Laboratory, Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi-502285 Telangana India
| | - Chandra Shekhar Sharma
- Creative & Advanced Research Based on Nanomaterials (CARBON) Laboratory, Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi-502285 Telangana India
| | - Saptarshi Majumdar
- Poly-Nano-Bio Laboratory, Department of Chemical Engineering, Indian Institute of Technology Hyderabad, Kandi-502285 Telangana India
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5
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Singh S, Kumar Paswan K, Kumar A, Gupta V, Sonker M, Ashhar Khan M, Kumar A, Shreyash N. Recent Advancements in Polyurethane-based Tissue Engineering. ACS APPLIED BIO MATERIALS 2023; 6:327-348. [PMID: 36719800 DOI: 10.1021/acsabm.2c00788] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In tissue engineering, polyurethane-based implants have gained significant traction because of their high compatibility and inertness. The implants therefore show fewer side effects and lasts longer. Also, the mechanical properties can be tuned and morphed into a particular shape, owing to which polyurethanes show immense versatility. In the last 3 years, scientists have devised methods to enhance the strength of and induce dynamic properties in polyurethanes, and these developments offer an immense opportunity to use them in tissue engineering. The focus of this review is on applications of polyurethane implants for biomedical application with detailed analysis of hard tissue implants like bone tissues and soft tissues like cartilage, muscles, skeletal tissues, and blood vessels. The synthetic routes for the preparation of scaffolds have been discussed to gain a better understanding of the issues that arise regarding toxicity. The focus here is also on concerns regarding the biocompatibility of the implants, given that the precursors and byproducts are poisonous.
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Affiliation(s)
- Sukriti Singh
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Karan Kumar Paswan
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Alok Kumar
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Vishwas Gupta
- Department of Petroleum Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Muskan Sonker
- Department of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Mohd Ashhar Khan
- Department of Chemical and Biological Engineering, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Amrit Kumar
- Indian Oil Corporation Limited, Panipat Refinery, Panipat, Odisha 132140, India
| | - Nehil Shreyash
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
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6
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Yousefi-Mashouf H, Bailly L, Orgéas L, Henrich Bernardoni N. Mechanics of gelatin-based hydrogels during finite strain tension, compression and shear. Front Bioeng Biotechnol 2023; 10:1094197. [PMID: 36714620 PMCID: PMC9877534 DOI: 10.3389/fbioe.2022.1094197] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/26/2022] [Indexed: 01/13/2023] Open
Abstract
Introduction: Among the biopolymers used to make hydrogels, gelatin is very attractive due to its biocompatibility, biodegradability and versatile physico-chemical properties. A proper and complete characterization of the mechanical behavior of these hydrogels is critical to evaluate the relevance of one formulation over another for a targeted application, and to optimise their processing route accordingly. Methods: In this work, we manufactured neat gelatin and gelatin covalently cross-linked with glutaraldehyde at various concentrations, yielding to hydrogels with tunable mechanical properties that we characterized under finite strain, cyclic tension, compression and shear loadings. Results and Discussion: The role of both the chemical formulation and the kinematical path on the mechanical performances of the gels is highlighted. As an opening towards biomedical applications, the properties of the gels are confronted to those of native soft tissues particularly complicated to restore, the human vocal folds. A specific cross-linked hydrogel is selected to mimic vocal-fold fibrous tissues.
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Affiliation(s)
- Hamid Yousefi-Mashouf
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France,University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, GIPSA-lab, Grenoble, France
| | - Lucie Bailly
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France,*Correspondence: Lucie Bailly,
| | - Laurent Orgéas
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, 3SR, Grenoble, France
| | - Nathalie Henrich Bernardoni
- University Grenoble Alpes, Centre National de la Recherche Scientifique (CNRS), Grenoble INP, GIPSA-lab, Grenoble, France
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7
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Tindell RK, Busselle LP, Holloway JL. Magnetic fields enable precise spatial control over electrospun fiber alignment for fabricating complex gradient materials. J Biomed Mater Res A 2023; 111:778-789. [PMID: 36594559 DOI: 10.1002/jbm.a.37492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 01/04/2023]
Abstract
Musculoskeletal interfacial tissues consist of complex gradients in structure, cell phenotype, and biochemical signaling that are important for function. Designing tissue engineering strategies to mimic these types of gradients is an ongoing challenge. In particular, new fabrication techniques that enable precise spatial control over fiber alignment are needed to better mimic the structural gradients present in interfacial tissues, such as the tendon-bone interface. Here, we report a modular approach to spatially controlling fiber alignment using magnetically-assisted electrospinning. Electrospun fibers were highly aligned in the presence of a magnetic field and smoothly transitioned to randomly aligned fibers away from the magnetic field. Importantly, magnetically-assisted electrospinning allows for spatial control over fiber alignment at sub-millimeter resolution along the length of the fibrous scaffold similar to the native structural gradient present in many interfacial tissues. The versatility of this approach was further demonstrated using multiple electrospinning polymers and different magnet configurations to fabricate complex fiber alignment gradients. As expected, cells seeded onto gradient fibrous scaffolds were elongated and aligned on the aligned fibers and did not show a preferential alignment on the randomly aligned fibers. Overall, this fabrication approach represents an important step forward in creating gradient fibrous materials, where such materials are promising as tissue-engineered scaffolds for regenerating functional musculoskeletal interfacial tissues.
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Affiliation(s)
- Raymond Kevin Tindell
- Chemical Engineering, School of Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona, USA
| | - Lincoln P Busselle
- Chemical Engineering, School of Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona, USA
| | - Julianne L Holloway
- Chemical Engineering, School of Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona, USA
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8
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Yu L, Zeng G, Xu J, Han M, Wang Z, Li T, Long M, Wang L, Huang W, Wu Y. Development of Poly(Glycerol Sebacate) and Its Derivatives: A Review of the Progress over the past Two Decades. POLYM REV 2022. [DOI: 10.1080/15583724.2022.2150774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Liu Yu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Guanjie Zeng
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jie Xu
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Mingying Han
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Zihan Wang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Ting Li
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Meng Long
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Ling Wang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, China
| | - Wenhua Huang
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Yaobin Wu
- Guangdong Engineering Research Center for Translation of Medical 3D Printing Application, Guangdong Provincial Key Laboratory of Digital Medicine and Biomechanics, Department of Human Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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9
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Characterization and in vitro analysis of a poly(ε-caprolactone)–gelatin matrix produced by rotary jet spinning and applied as a skin dressing. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04228-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Liu Y, Wang X, Hu F, Rausch-Fan X, Steinberg T, Lan Z, Zhang X. The effect of modifying the nanostructure of gelatin fiber scaffolds on early angiogenesis in vitroand in vivo. Biomed Mater 2021; 17. [PMID: 34808608 DOI: 10.1088/1748-605x/ac3c3c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 11/22/2021] [Indexed: 01/01/2023]
Abstract
Early angiogenesis is one of the key challenges in tissue regeneration. Crosslinking mode and fiber diameter are critical factors to affect the adhesion and proliferation of cells. However, whether and how these two factors affect early angiogenesis remain largely unknown. To address the issue, the optimal crosslinking mode and fiber diameter of gelatin fiber membrane for early angiogenesisin vivoandin vitrowere explored in this work. Compared with the post crosslinked gelatin fiber membrane with the same fiber diameter, the 700 nm diameterin situcrosslinked gelatin fiber membrane was found to have smaller roughness (230.67 ± 19 nm) and stronger hydrophilicity (54.77° ± 1.2°), which were suitable for cell growth and adhesion. Moreover, thein situcrosslinked gelatin fiber membrane with a fiber diameter of 1000 nm had significant advantages in early angiogenesis over the two with fiber diameters of 500 and 700 nm by up-regulating the expression of Ang1, VEGF, and integrin-β1. Our findings indicated that thein situcrosslinked gelatin fiber membrane with a diameter of 1000 nm might solve the problem of insufficient blood supply in the early stage of soft tissue regeneration and has broad clinical application prospects in promoting tissue regeneration.
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Affiliation(s)
- Yanyi Liu
- Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong 510280, People's Republic of China.,Shenzhen Stomatological Hospital, Southern Medical University, Shenzhen, Guangdong 518001, People's Republic of China
| | - Xiaoxue Wang
- Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde, Foshan), Foshan, Guangdong 528308, People's Republic of China
| | - Fei Hu
- Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong 510280, People's Republic of China
| | - Xiaohui Rausch-Fan
- Division of Conservative Dentistry, Periodontology and Prophylaxis, Clinic Research Center, Dental Clinic, Medical University of Vienna, Vienna, Austria
| | - Thorsten Steinberg
- Division of Oral Biotechnology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106 Freiburg, Germany
| | - Zedong Lan
- Shenzhen Stomatological Hospital, Southern Medical University, Shenzhen, Guangdong 518001, People's Republic of China
| | - Xueyang Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong 510280, People's Republic of China.,Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde, Foshan), Foshan, Guangdong 528308, People's Republic of China
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11
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The Influence of Bloom Index, Endotoxin Levels and Polyethylene Glycol Succinimidyl Glutarate Crosslinking on the Physicochemical and Biological Properties of Gelatin Biomaterials. Biomolecules 2021; 11:biom11071003. [PMID: 34356627 PMCID: PMC8301829 DOI: 10.3390/biom11071003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/30/2021] [Accepted: 07/07/2021] [Indexed: 01/07/2023] Open
Abstract
In the medical device sector, bloom index and residual endotoxins should be controlled, as they are crucial regulators of the device’s physicochemical and biological properties. It is also imperative to identify a suitable crosslinking method to increase mechanical integrity, without jeopardising cellular functions of gelatin-based devices. Herein, gelatin preparations with variable bloom index and endotoxin levels were used to fabricate non-crosslinked and polyethylene glycol succinimidyl glutarate crosslinked gelatin scaffolds, the physicochemical and biological properties of which were subsequently assessed. Gelatin preparations with low bloom index resulted in hydrogels with significantly (p < 0.05) lower compression stress, elastic modulus and resistance to enzymatic degradation, and significantly higher (p < 0.05) free amine content than gelatin preparations with high bloom index. Gelatin preparations with high endotoxin levels resulted in films that induced significantly (p < 0.05) higher macrophage clusters than gelatin preparations with low endotoxin level. Our data suggest that the bloom index modulates the physicochemical properties, and the endotoxin content regulates the biological response of gelatin biomaterials. Although polyethylene glycol succinimidyl glutarate crosslinking significantly (p < 0.05) increased compression stress, elastic modulus and resistance to enzymatic degradation, and significantly (p < 0.05) decreased free amine content, at the concentration used, it did not provide sufficient structural integrity to support cell culture. Therefore, the quest for the optimal gelatin crosslinker continues.
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12
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Grewal MG, Highley CB. Electrospun hydrogels for dynamic culture systems: advantages, progress, and opportunities. Biomater Sci 2021; 9:4228-4245. [PMID: 33522527 PMCID: PMC8205946 DOI: 10.1039/d0bm01588a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The extracellular matrix (ECM) is a water-swollen, tissue-specific material environment in which biophysiochemical signals are organized and influence cell behaviors. Electrospun nanofibrous substrates have been pursued as platforms for tissue engineering and cell studies that recapitulate features of the native ECM, in particular its fibrous nature. In recent years, progress in the design of electrospun hydrogel systems has demonstrated that molecular design also enables unique studies of cellular behaviors. In comparison to the use of hydrophobic polymeric materials, electrospinning hydrophilic materials that crosslink to form hydrogels offer the potential to achieve the water-swollen, nanofibrous characteristics of endogenous ECM. Although electrospun hydrogels require an additional crosslinking step to stabilize the fibers (allowing fibers to swell with water instead of dissolving) in comparison to their hydrophobic counterparts, researchers have made significant advances in leveraging hydrogel chemistries to incorporate biochemical and dynamic functionalities within the fibers. Consequently, dynamic biophysical and biochemical properties can be engineered into hydrophilic nanofibers that would be difficult to engineer in hydrophobic systems without strategic and sometimes intensive post-processing techniques. This Review describes common methodologies to control biophysical and biochemical properties of both electrospun hydrophobic and hydrogel nanofibers, with an emphasis on highlighting recent progress using hydrogel nanofibers with engineered dynamic complexities to develop culture systems for the study of biological function, dysfunction, development, and regeneration.
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Affiliation(s)
- M Gregory Grewal
- Department of Chemical Engineering, University of Virginia, VA 22903, USA.
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13
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Poddar S, Agarwal PS, Sahi AK, Varshney N, Vajanthri KY, Mahto SK. Fabrication and characterization of electrospun psyllium husk‐based nanofibers for tissue regeneration. J Appl Polym Sci 2021. [DOI: 10.1002/app.50569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Suruchi Poddar
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Piyush Sunil Agarwal
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
- Department of Materials Engineering Indian Institute of Science Bangalore India
| | - Ajay Kumar Sahi
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Neelima Varshney
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Kiran Yellappa Vajanthri
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
| | - Sanjeev Kumar Mahto
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
- Centre for Advanced Biomaterials and Tissue Engineering Indian Institute of Technology (Banaras Hindu University) Varanasi India
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14
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Echeverria Molina MI, Malollari KG, Komvopoulos K. Design Challenges in Polymeric Scaffolds for Tissue Engineering. Front Bioeng Biotechnol 2021; 9:617141. [PMID: 34195178 PMCID: PMC8236583 DOI: 10.3389/fbioe.2021.617141] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 03/08/2021] [Indexed: 12/11/2022] Open
Abstract
Numerous surgical procedures are daily performed worldwide to replace and repair damaged tissue. Tissue engineering is the field devoted to the regeneration of damaged tissue through the incorporation of cells in biocompatible and biodegradable porous constructs, known as scaffolds. The scaffolds act as host biomaterials of the incubating cells, guiding their attachment, growth, differentiation, proliferation, phenotype, and migration for the development of new tissue. Furthermore, cellular behavior and fate are bound to the biodegradation of the scaffold during tissue generation. This article provides a critical appraisal of how key biomaterial scaffold parameters, such as structure architecture, biochemistry, mechanical behavior, and biodegradability, impart the needed morphological, structural, and biochemical cues for eliciting cell behavior in various tissue engineering applications. Particular emphasis is given on specific scaffold attributes pertaining to skin and brain tissue generation, where further progress is needed (skin) or the research is at a relatively primitive stage (brain), and the enumeration of some of the most important challenges regarding scaffold constructs for tissue engineering.
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Affiliation(s)
- Maria I Echeverria Molina
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA, United States
| | - Katerina G Malollari
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA, United States
| | - Kyriakos Komvopoulos
- Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA, United States
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15
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Smoak MM, Hogan KJ, Grande-Allen KJ, Mikos AG. Bioinspired electrospun dECM scaffolds guide cell growth and control the formation of myotubes. SCIENCE ADVANCES 2021; 7:eabg4123. [PMID: 33990336 PMCID: PMC8121426 DOI: 10.1126/sciadv.abg4123] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/25/2021] [Indexed: 06/01/2023]
Abstract
While skeletal muscle has a high capacity for endogenous repair in acute injuries, volumetric muscle loss can leave long-lasting or permanent structural and functional deficits to the injured muscle and surrounding tissues. With clinical treatments failing to repair lost tissue, there is a great need for a tissue-engineered therapy to promote skeletal muscle regeneration. In this study, we aim to assess the potential for electrospun decellularized skeletal muscle extracellular matrix (dECM) with tunable physicochemical properties to control mouse myoblast growth and myotube formation. The material properties as well as cell behavior - growth and differentiation - were assessed in response to modulation of crosslinking and scaffold architecture. The fabrication of a bioactive dECM-based system with tunable physicochemical properties that can control myotube formation has several applications in skeletal muscle engineering and may bring the field one step closer to developing a therapy to address these unmet clinical needs.
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Affiliation(s)
- Mollie M Smoak
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - Katie J Hogan
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | | | - Antonios G Mikos
- Department of Bioengineering, Rice University, Houston, TX 77030, USA.
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16
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Taskin MB, Ahmad T, Wistlich L, Meinel L, Schmitz M, Rossi A, Groll J. Bioactive Electrospun Fibers: Fabrication Strategies and a Critical Review of Surface-Sensitive Characterization and Quantification. Chem Rev 2021; 121:11194-11237. [DOI: 10.1021/acs.chemrev.0c00816] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Mehmet Berat Taskin
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
| | - Taufiq Ahmad
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
| | - Laura Wistlich
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
| | - Lorenz Meinel
- Institute of Pharmacy and Food Chemistry and Helmholtz Institute for RNA Based Infection Research, 97074 Würzburg, Germany
| | - Michael Schmitz
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
| | - Angela Rossi
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
| | - Jürgen Groll
- Department of Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute, University of Würzburg, 97070 Würzburg, Germany
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17
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Giuntoli G, Muzio G, Actis C, Ganora A, Calzone S, Bruno M, Ciardelli G, Carmagnola I, Tonda-Turo C. In-vitro Characterization of a Hernia Mesh Featuring a Nanostructured Coating. Front Bioeng Biotechnol 2021; 8:589223. [PMID: 33553112 PMCID: PMC7856147 DOI: 10.3389/fbioe.2020.589223] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/16/2020] [Indexed: 11/15/2022] Open
Abstract
Abdominal hernia repair is a frequently performed surgical procedure worldwide. Currently, the use of polypropylene (PP) surgical meshes for the repair of abdominal hernias constitutes the primary surgical approach, being widely accepted as superior to primary suture repair. Surgical meshes act as a reinforcement for the weakened or damaged tissues and support tissue restoration. However, implanted meshes could suffer from poor integration with the surrounding tissues. In this context, the present study describes the preliminary evaluation of a PCL-Gel-based nanofibrous coating as an element to develop a multicomponent hernia mesh device (meshPCL-Gel) that could overcome this limitation thanks to the presence of a nanostructured biomimetic substrate for enhanced cell attachment and new tissue formation. Through the electrospinning technique, a commercial PP hernia mesh was coated with a nanofibrous membrane from a polycaprolactone (PCL) and gelatin (Gel) blend (PCL-Gel). Resulting PCL-Gel nanofibers were homogeneous and defect-free, with an average diameter of 0.15 ± 0.04 μm. The presence of Gel decreased PCL hydrophobicity, so that membranes average water contact angle dropped from 138.9 ± 1.1° (PCL) to 99.9 ± 21.6°, while it slightly influenced mechanical properties, which remained comparable to those of PCL (E = 15.7 ± 2.7 MPa, σ R = 7.7 ± 0.6 ε R = 118.8 ± 13.2%). Hydrolytic and enzymatic degradation was conducted on PCL-Gel up to 28 days, with maximum weight losses around 20 and 40%, respectively. The meshPCL-Gel device was obtained with few simple steps, with no influences on the original mechanical properties of the bare mesh, and good stability under physiological conditions. The biocompatibility of meshPCL-Gel was assessed by culturing BJ human fibroblasts on the device, up to 7 days. After 24 h, cells adhered to the nanofibrous substrate, and after 72 h their metabolic activity was about 70% with respect to control cells. The absence of detectable lactate dehydrogenase in the culture medium indicated that no necrosis induction occurred. Hence, the developed nanostructured coating provided the meshPCL-Gel device with chemical and topographical cues similar to the native extracellular matrix ones, that could be exploited for enhancing the biological response and, consequently, mesh integration, in abdominal wall hernia repair.
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Affiliation(s)
- Giulia Giuntoli
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
- POLITO BIOMedLAB, Politecnico di Torino, Turin, Italy
| | - Giuliana Muzio
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | - Chiara Actis
- Department of Clinical and Biological Sciences, University of Turin, Turin, Italy
| | | | | | | | - Gianluca Ciardelli
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
- POLITO BIOMedLAB, Politecnico di Torino, Turin, Italy
- Department for Materials and Devices of the National Research Council, Institute for the Chemical and Physical Processes (CNR-IPCF UOS), Pisa, Italy
| | - Irene Carmagnola
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
- POLITO BIOMedLAB, Politecnico di Torino, Turin, Italy
| | - Chiara Tonda-Turo
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
- POLITO BIOMedLAB, Politecnico di Torino, Turin, Italy
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18
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Zou S, Wang X, Fan S, Yao X, Zhang Y, Shao H. Electrospun regenerated Antheraea pernyi silk fibroin scaffolds with improved pore size, mechanical properties and cytocompatibility using mesh collectors. J Mater Chem B 2021; 9:5514-5527. [PMID: 34152355 DOI: 10.1039/d1tb00944c] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Generally, electrospun silk fibroin scaffolds collected by traditional plates present limited pore size and mechanical properties, which may restrict their biomedical applications. Herein, regenerated Antheraea pernyi silk fibroin (RASF) with excellent inherent cell adhesion property was chosen as a raw material and the conductive metal meshes were used as collectors to prepare modified RASF scaffolds by electrospinning from its aqueous solution. A traditional intact plate was used as a control. The morphology and mechanical properties of the obtained scaffolds were investigated. Schwann cells were further used to assess the cytocompatibility and cell migration ability of the typical scaffolds. Interestingly, compared with the traditional intact plate, the mesh collector with an appropriate gap size (circa 7 mm) could significantly improve the pore size, porosity and mechanical properties of the RASF scaffolds simultaneously. In addition, the scaffold collected under this condition (RASF-7mmG) showed higher cell viability, deeper cell permeation and faster cell migration of Schwann cells. Combined with the excellent inherent properties of ASF and the obviously enhanced scaffold cytocompatibility and mechanical properties, the RASF-7mmG scaffold is expected to be a candidate with great potential for biomedical applications.
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Affiliation(s)
- Shengzhi Zou
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Xinru Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China. and Jiangsu Provincial Engineering Research Center for Biomedical Materials and Advanced Medical Devices, Faculty of Mechanical & Materials Engineering, Huaiyin Institute of Technology, Huai'an, 223003, People's Republic of China
| | - Suna Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Xiang Yao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Yaopeng Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Huili Shao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
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19
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Hajiabbas M, Alemzadeh I, Vossoughi M. Hybrid silk fibroin–gelatin nanofibrous sheet for drug delivery and regenerative medicine: In‐vitro characterization and controlled release of simvastatin/protein. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5180] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Maryam Hajiabbas
- Department of Chemical and Petroleum Engineering Sharif University of Technology Tehran Iran
| | - Iran Alemzadeh
- Department of Chemical and Petroleum Engineering Sharif University of Technology Tehran Iran
| | - Manouchehr Vossoughi
- Department of Chemical and Petroleum Engineering Sharif University of Technology Tehran Iran
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20
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A porous hydrogel-electrospun composite scaffold made of oxidized alginate/gelatin/silk fibroin for tissue engineering application. Carbohydr Polym 2020; 245:116465. [DOI: 10.1016/j.carbpol.2020.116465] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/11/2020] [Accepted: 05/14/2020] [Indexed: 01/08/2023]
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21
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Kishan A, Buie T, Whitfield-Cargile C, Jose A, Bryan L, Cohen N, Cosgriff-Hernandez E. In vivo performance of a bilayer wrap to prevent abdominal adhesions. Acta Biomater 2020; 115:116-126. [PMID: 32846239 DOI: 10.1016/j.actbio.2020.08.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 12/27/2022]
Abstract
There is a high prevalence of intra-abdominal adhesions following bowel resection, which can result in chronic pain, bowel obstruction, and morbidity. Although commercial adhesion barriers have been widely utilized for colonic resections, these barriers do not prevent anastomotic leakage resulting from reduced healing of the anastomosis, which can result in long-term health problems. To address this limitation, we have developed an adhesive bilayer wrap with selective bioactivity to simultaneously prevent intra-abdominal adhesion formation and promote anastomotic healing. Reactive electrospinning was used to generate a crosslinked gelatin mesh to serve as a cell-instructive substrate to improve anastomotic healing. A coating of poly(ethylene glycol) (PEG) foam was applied to the bioactive mesh to generate an antifouling layer and prevent intra-abdominal adhesions. After in vitro confirmation of selective bioactivity, the composite wrap was compared after 2 weeks to a commercial product (InterceedⓇ) in an in vivo rat colonic abrasion model for prevention of intra-abdominal adhesions. The composite bilayer wrap was able to prevent intra-abdominal adhesions when clinical placement was maintained. The composite bilayer wrap was further modified to include tissue adhesive properties for improved efficacy. Preliminary studies indicated that the adhesive composite bilayer wrap maintained a maximum shear strength comparable to InterceedⓇ and greater than fibrin glue. Overall, this work resulted in an initial proof-of-concept device that was shown to effectively prevent intra-abdominal adhesion formation in vivo. The composite bilayer wrap studied here could lead to an improved technology for improved healing of intestinal anastomoses.
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Affiliation(s)
- Alysha Kishan
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843 United States.
| | - Taneidra Buie
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712 United States.
| | - Canaan Whitfield-Cargile
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
| | - Anupriya Jose
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712 United States.
| | - Laura Bryan
- Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
| | - Noah Cohen
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843 United States.
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22
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Dhavalikar P, Robinson A, Lan Z, Jenkins D, Chwatko M, Salhadar K, Jose A, Kar R, Shoga E, Kannapiran A, Cosgriff-Hernandez E. Review of Integrin-Targeting Biomaterials in Tissue Engineering. Adv Healthc Mater 2020; 9:e2000795. [PMID: 32940020 PMCID: PMC7960574 DOI: 10.1002/adhm.202000795] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/27/2020] [Indexed: 12/12/2022]
Abstract
The ability to direct cell behavior has been central to the success of numerous therapeutics to regenerate tissue or facilitate device integration. Biomaterial scientists are challenged to understand and modulate the interactions of biomaterials with biological systems in order to achieve effective tissue repair. One key area of research investigates the use of extracellular matrix-derived ligands to target specific integrin interactions and induce cellular responses, such as increased cell migration, proliferation, and differentiation of mesenchymal stem cells. These integrin-targeting proteins and peptides have been implemented in a variety of different polymeric scaffolds and devices to enhance tissue regeneration and integration. This review first presents an overview of integrin-mediated cellular processes that have been identified in angiogenesis, wound healing, and bone regeneration. Then, research utilizing biomaterials are highlighted with integrin-targeting motifs as a means to direct these cellular processes to enhance tissue regeneration. In addition to providing improved materials for tissue repair and device integration, these innovative biomaterials provide new tools to probe the complex processes of tissue remodeling in order to enhance the rational design of biomaterial scaffolds and guide tissue regeneration strategies.
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Affiliation(s)
- Prachi Dhavalikar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Andrew Robinson
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ziyang Lan
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Dana Jenkins
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Malgorzata Chwatko
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Karim Salhadar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Anupriya Jose
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ronit Kar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Erik Shoga
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Aparajith Kannapiran
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
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23
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Santos de Oliveira C, González AT, Hedtke T, Kürbitz T, Heilmann A, Schmelzer CEH, Martins de S E Silva J. Direct three-dimensional imaging for morphological analysis of electrospun fibers with laboratory-based Zernike X-ray phase-contrast computed tomography. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 115:111045. [PMID: 32600682 DOI: 10.1016/j.msec.2020.111045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 10/24/2022]
Abstract
Electrospinning is a well-established and widely used method for the production of protein-based fibrous biomaterials. The visualization of the morphology and the characterization of sample features related to the three-dimensional (3D) structure, like the porosity and fibers thickness, is crucial for the design and fabrication of tailor-made and application-optimized materials. Here, we evaluated the benefits of using 3D X-ray imaging in a laboratory setup with a resolution in the sub-micrometer range for the characterization of electrospun gelatin fibrous mats. We used phase-contrast X-ray computed tomography at the nanoscale (nano-CT) for the evaluation of the time-course morphological changes of the mats induced by chemical cross-linking of the gelatin fibers. We present an image processing protocol that enables the segmentation of the fibers and quantification of the mats porosity, the analysis of the shape and size of the pores, and of the fibers thickness and orientation. We compared the results obtained from the processed nano-CT data with those obtained with the conventional methods used for the characterization of electrospun fibrous materials, and we discuss the advantages and limitations of each method when applied to gelatin electrospun samples. Our results reveal that the use of phase-contrast nano-CT provides quick additional and relevant information for the characterization of fibrous mats and, thus, provides beneficial insights for the design and fabrication of novel fibrous materials.
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Affiliation(s)
| | | | - Tobias Hedtke
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany
| | | | - Andreas Heilmann
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany; Anhalt University of Applied Sciences, Köthen, Germany
| | - Christian E H Schmelzer
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany.
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24
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Prado-Prone G, Silva-Bermudez P, Bazzar M, Focarete ML, Rodil SE, Vidal-Gutiérrez X, García-Macedo JA, García-Pérez VI, Velasquillo C, Almaguer-Flores A. Antibacterial composite membranes of polycaprolactone/gelatin loaded with zinc oxide nanoparticles for guided tissue regeneration. ACTA ACUST UNITED AC 2020; 15:035006. [PMID: 31995538 DOI: 10.1088/1748-605x/ab70ef] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The bacterial colonization of absorbable membranes used for guided tissue regeneration (GTR), as well as their rapid degradation that can cause their rupture, are considered the major reasons for clinical failure. To address this, composite membranes of polycaprolactone (PCL) and gelatin (Gel) loaded with zinc oxide nanoparticles (ZnO-NPs; 1, 3 and 6 wt% relative to PCL content) were fabricated by electrospinning. To fabricate homogeneous fibrillar membranes, acetic acid was used as a sole common solvent to enhance the miscibility of PCL and Gel in the electrospinning solutions. The effects of ZnO-NPs in the physico-chemical, mechanical and in vitro biological properties of composite membranes were studied. The composite membranes showed adequate mechanical properties to offer a satisfactory clinical manipulation and an excellent conformability to the defect site while their degradation rate seemed to be appropriate to allow successful regeneration of periodontal defects. The presence of ZnO-NPs in the composite membranes significantly decreased the planktonic and the biofilm growth of the Staphylococcus aureus over time. Finally, the viability of human osteoblasts and human gingival fibroblasts exposed to the composite membranes with 1 and 3 wt% of ZnO-NPs indicated that those membranes are not expected to negatively influence the ability of periodontal cells to repopulate the defect site during GTR treatments. The results here obtained suggest that composite membranes of PCL and Gel loaded with ZnO-NPs have the potential to be used as structurally stable GTR membranes with local antibacterial properties intended for enhancing clinical treatments.
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Affiliation(s)
- Gina Prado-Prone
- Facultad de Odontología, División de Estudios de Posgrado e Investigación, Universidad Nacional Autónoma de México. Circuito Exterior s/n, Ciudad Universitaria, 04510, CDMX, México
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25
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Prado-Prone G, Bazzar M, Letizia Focarete M, García-Macedo JA, Perez-Orive J, Ibarra C, Velasquillo C, Silva-Bermudez P. Single-step, acid-based fabrication of homogeneous gelatin-polycaprolactone fibrillar scaffolds intended for skin tissue engineering. ACTA ACUST UNITED AC 2020; 15:035001. [PMID: 31899893 DOI: 10.1088/1748-605x/ab673b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Blends of natural and synthetic polymers have recently attracted great attention as scaffolds for tissue engineering applications due to their favorable biological and mechanical properties. Nevertheless, phase-separation of blend components is an important challenge facing the development of electrospun homogeneous fibrillar natural-synthetic polymers scaffolds; phase-separation can produce significant detrimental effects for scaffolds fabricated by electrospinning. In the present study, blends of gelatin (Gel; natural polymer) and polycaprolactone (PCL; synthetic polymer), containing 30 and 45 wt% Gel, were prepared using acetic acid as a 'green' sole solvent to straightforwardly produce appropriate single-step Gel-PCL solutions for electrospinning. Miscibility of Gel and PCL in the scaffolds was assessed and the morphology, chemical composition and structural and solid-state properties of the scaffolds were thoroughly investigated. Results showed that the two polymers proved miscible under the single-step solution process used and that the electrospun scaffolds presented suitable properties for potential skin tissue engineering applications. Viability, metabolic activity and protein expression of human fibroblasts cultured on the Gel-PCL scaffolds were evaluated using LIVE/DEAD (calcein/ethidium homodimer), MTT-Formazan and immunocytochemistry assays, respectively. In vitro results showed that the electrospun Gel-PCL scaffolds enhanced cell viability and proliferation in comparison to PCL scaffolds. Furthermore, scaffolds allowed fibroblasts expression of extracellular matrix proteins, tropoelastin and collagen Type I, in a similar way to positive controls. Results indicated the feasibility of the single-step solution process used herein to obtain homogeneous electrospun Gel-PCL scaffolds with Gel content ≥30 wt% and potential properties to be used as scaffolds for skin tissue engineering applications for wound healing.
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Affiliation(s)
- Gina Prado-Prone
- División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México; Ciudad Universitaria No. 3000, C.P. 04360, Ciudad de México, México. Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa; Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra; Av. México Xochimilco No. 289 Col. Arenal de Guadalupe C.P. 14389, Ciudad de México, México
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26
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Hajiabbas M, Alemzadeh I, Vossoughi M, Shamloo A. In-situ crosslinking of electrospun gelatin-carbodiimide nanofibers: fabrication, characterization, and modeling of solution parameters. CHEM ENG COMMUN 2020. [DOI: 10.1080/00986445.2020.1725491] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Maryam Hajiabbas
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Iran Alemzadeh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Manouchehr Vossoughi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Amir Shamloo
- Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran
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Molina ER, Chim LK, Salazar MC, Mehta SM, Menegaz BA, Lamhamedi-Cherradi SE, Satish T, Mohiuddin S, McCall D, Zaske AM, Cuglievan B, Lazar AJ, Scott DW, Grande-Allen JK, Ludwig JA, Mikos AG. Mechanically tunable coaxial electrospun models of YAP/TAZ mechanoresponse and IGF-1R activation in osteosarcoma. Acta Biomater 2019; 100:38-51. [PMID: 31542501 PMCID: PMC7027943 DOI: 10.1016/j.actbio.2019.09.029] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 08/29/2019] [Accepted: 09/17/2019] [Indexed: 01/08/2023]
Abstract
Current in vitro methods for assessing cancer biology and therapeutic response rely heavily on monolayer cell culture on hard, plastic surfaces that do not recapitulate essential elements of the tumor microenvironment. While a host of tumor models exist, most are not engineered to control the physical properties of the microenvironment and thus may not reflect the effects of mechanotransduction on tumor biology. Utilizing coaxial electrospinning, we developed three-dimensional (3D) tumor models with tunable mechanical properties in order to elucidate the effects of substrate stiffness and tissue architecture in osteosarcoma. Mechanical properties of coaxial electrospun meshes were characterized with a series of macroscale testing with uniaxial tensile testing and microscale testing utilizing atomic force microscopy on single fibers. Calculated moduli in our models ranged over three orders of magnitude in both macroscale and microscale testing. Osteosarcoma cells responded to decreasing substrate stiffness in 3D environments by increasing nuclear localization of Hippo pathway effectors, YAP and TAZ, while downregulating total YAP. Additionally, a downregulation of the IGF-1R/mTOR axis, the target of recent clinical trials in sarcoma, was observed in 3D models and heralded increased resistance to combination chemotherapy and IGF-1R/mTOR targeted agents compared to monolayer controls. In this study, we highlight the necessity of incorporating mechanical cues in cancer biology investigation and the complexity in mechanotransduction as a confluence of stiffness and culture architecture. Our models provide a versatile, mechanically variable substrate on which to study the effects of physical cues on the pathogenesis of tumors. STATEMENT OF SIGNIFICANCE: The tumor microenvironment plays a critical role in cancer pathogenesis. In this work, we engineered 3D, mechanically tunable, coaxial electrospun environments to determine the roles of the mechanical environment on osteosarcoma cell phenotype, morphology, and therapeutic response. We characterize the effects of varying macroscale and microscale stiffnesses in 3D environments on the localization and expression of the mechanoresponsive proteins, YAP and TAZ, and evaluate IGF-1R/mTOR pathway activation, a target of recent clinical trials in sarcoma. Increased nuclear YAP/TAZ was observed as stiffness in 3D was decreased. Downregulation of the IGF-1R/mTOR cascade in all 3D environments was observed. Our study highlights the complexity of mechanotransduction in 3D culture and represents a step towards controlling microenvironmental elements in in vitro cancer investigations.
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Affiliation(s)
- Eric R Molina
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Letitia K Chim
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Maria C Salazar
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Shail M Mehta
- Department of Applied Physics, Rice University, Houston, TX, United States
| | - Brian A Menegaz
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Salah-Eddine Lamhamedi-Cherradi
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Tejus Satish
- Department of Bioengineering, Rice University, Houston, TX, United States
| | - Sana Mohiuddin
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - David McCall
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Ana Maria Zaske
- The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Branko Cuglievan
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Alexander J Lazar
- Department of Pathology, Division of Pathology and Laboratory Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States; Department of Genomic Medicine, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - David W Scott
- Department of Statistics, Rice University, Houston, TX, United States
| | | | - Joseph A Ludwig
- Department of Sarcoma Medical Oncology, Division of Cancer Medicine, The University of Texas, MD Anderson Cancer Center, Houston, TX, United States
| | - Antonios G Mikos
- Department of Bioengineering, Rice University, Houston, TX, United States.
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Chiaradia V, Hanay SB, Kimmins SD, Oliveira DD, Araújo PHH, Sayer C, Heise A. Crosslinking of Electrospun Fibres from Unsaturated Polyesters by Bis-Triazolinediones (TAD). Polymers (Basel) 2019; 11:E1808. [PMID: 31689927 PMCID: PMC6918174 DOI: 10.3390/polym11111808] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 10/25/2019] [Accepted: 10/29/2019] [Indexed: 12/16/2022] Open
Abstract
Crosslinking of an unsaturated aliphatic polyester poly(globalide) (PGl) by bistriazolinediones (bisTADs) is reported. First, a monofunctional model compound, phenyl-TAD (PTAD), was tested for PGl functionalisation. 1H-NMR showed that PTAD-ene reaction was highly efficient with conversions up to 97%. Subsequently, hexamethylene bisTAD (HM-bisTAD) and methylene diphenyl bisTAD (MDP-bisTAD) were used to crosslink electrospun PGl fibres via one- and two-step approaches. In the one-step approach, PGl fibres were collected in a bisTAD solution for in situ crosslinking, which resulted in incomplete crosslinking. In the two-step approach, a light crosslinking of fibres was first achieved in a PGl non-solvent. Subsequent incubation in a fibre swelling bisTAD solution resulted in fully amorphous crosslinked fibres. SEM analysis revealed that the fibres' morphology was uncompromised by the crosslinking. A significant increase of tensile strength from 0.3 ± 0.08 MPa to 2.7 ± 0.8 MPa and 3.9 ± 0.5 MPa was observed when PGI fibres were crosslinked by HM-bisTAD and MDP-bisTAD, respectively. The reported methodology allows the design of electrospun fibres from biocompatible polyesters and the modulation of their mechanical and thermal properties. It also opens future opportunities for drug delivery applications by selected drug loading.
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Affiliation(s)
- Viviane Chiaradia
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC 88040-900, Brazil.
- Department of Chemistry, Royal College of Surgeons in Ireland, 123 St. Stephens Green, Dublin 2, Ireland.
| | - Saltuk B Hanay
- Department of Chemistry, Royal College of Surgeons in Ireland, 123 St. Stephens Green, Dublin 2, Ireland.
| | - Scott D Kimmins
- Department of Chemistry, Royal College of Surgeons in Ireland, 123 St. Stephens Green, Dublin 2, Ireland.
| | - Débora de Oliveira
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC 88040-900, Brazil.
| | - Pedro H H Araújo
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC 88040-900, Brazil.
| | - Claudia Sayer
- Department of Chemical Engineering and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC 88040-900, Brazil.
| | - Andreas Heise
- Department of Chemistry, Royal College of Surgeons in Ireland, 123 St. Stephens Green, Dublin 2, Ireland.
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29
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Entekhabi E, Haghbin Nazarpak M, Sedighi M, Kazemzadeh A. Predicting degradation rate of genipin cross-linked gelatin scaffolds with machine learning. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 107:110362. [PMID: 31761181 DOI: 10.1016/j.msec.2019.110362] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/05/2019] [Accepted: 10/22/2019] [Indexed: 10/25/2022]
Abstract
Genipin can improve weak mechanical properties and control high degradation rate of gelatin, as a cross-linker of gelatin which is widely used in tissue engineering. In this study, genipin cross-linked gelatin biodegradable porous scaffolds with different weight percentages of gelatin and genipin were prepared for tissue regeneration and measurement of their various properties including morphological characteristics, mechanical properties, swelling, degree of crosslinking and degradation rate. Results indicated that the sample containing the highest amount of gelatin and genipin had the highest degree of crosslinking and increasing the percentage of genipin from 0.125% to 0.5% enhances ultimate tensile strength (UTS) up to 113% and 92%, for samples with 2.5% and 10% gelatin, respectively. For these samples, increasing the percentage of genipin, reduce their degradation rate significantly with an average value of 124%. Furthermore, experimental data are used to develop a machine learning model, which compares artificial neural networks (ANN) and kernel ridge regression (KRR) to predict degradation rate of genipin-cross-linked gelatin scaffolds as a property of interest. The predicted degradation rate demonstrates that the ANN, with mean squared error (MSE) of 2.68%, outperforms the KRR with MSE = 4.78% in terms of accuracy. These results suggest that machine learning models offer an excellent prediction accuracy to estimate the degradation rate which will significantly help reducing experimental costs needed to carry out scaffold design.
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Affiliation(s)
- Elahe Entekhabi
- Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | | | - Mehdi Sedighi
- New Technologies Research Center (NTRC), Amirkabir University of Technology, Tehran, Iran; Department of Mechanical Engineering, University of Sistan and Baluchestan, Zahedan, Iran
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30
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Liguori A, Uranga J, Panzavolta S, Guerrero P, de la Caba K, Focarete ML. Electrospinning of Fish Gelatin Solution Containing Citric Acid: An Environmentally Friendly Approach to Prepare Crosslinked Gelatin Fibers. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2808. [PMID: 31480538 PMCID: PMC6747780 DOI: 10.3390/ma12172808] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/28/2019] [Accepted: 08/30/2019] [Indexed: 01/31/2023]
Abstract
The majority of the crosslinking approaches employed to confer water resistance properties to electrospun gelatin mats are based on the use of potential cytotoxic agents, turning out to be not suitable for biomedical applications. Environmentally friendly chemical strategies based on the use of non-toxic agents are, therefore, strongly demanded. In the present work, the possibility to produce crosslinked electrospun fish gelatin mats by electrospinning an aqueous solution, containing citric acid as a crosslinking agent, is reported. The effect of pH on solution rheological properties, as well as on the electrospun mat morphology, chemistry, and crosslinking degree, is assessed. The increase of solution pH from 1.8 to 3.7 allows for obtaining fibers that maintain the fibrous morphology also in the mat. Subsequent thermal treatment of the electrospun mat (80 °C for 30 min) turns out to increase the crosslinking degree and morphological stability of the mat.
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Affiliation(s)
- Anna Liguori
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Jone Uranga
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Silvia Panzavolta
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Pedro Guerrero
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain
| | - Koro de la Caba
- BIOMAT research group, University of the Basque Country (UPV/EHU), Engineering College of Gipuzkoa, Plaza de Europa 1, 20018 Donostia-San Sebastián, Spain.
| | - Maria Letizia Focarete
- Department of Chemistry "Giacomo Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, 40126 Bologna, Italy.
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31
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Campiglio CE, Contessi Negrini N, Farè S, Draghi L. Cross-Linking Strategies for Electrospun Gelatin Scaffolds. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2476. [PMID: 31382665 PMCID: PMC6695673 DOI: 10.3390/ma12152476] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 07/30/2019] [Accepted: 08/02/2019] [Indexed: 01/02/2023]
Abstract
Electrospinning is an exceptional technology to fabricate sub-micrometric fiber scaffolds for regenerative medicine applications and to mimic the morphology and the chemistry of the natural extracellular matrix (ECM). Although most synthetic and natural polymers can be electrospun, gelatin frequently represents a material of choice due to the presence of cell-interactive motifs, its wide availability, low cost, easy processability, and biodegradability. However, cross-linking is required to stabilize the structure of the electrospun matrices and avoid gelatin dissolution at body temperature. Different physical and chemical cross-linking protocols have been described to improve electrospun gelatin stability and to preserve the morphological fibrous arrangement of the electrospun gelatin scaffolds. Here, we review the main current strategies. For each method, the cross-linking mechanism and its efficiency, the influence of electrospinning parameters, and the resulting fiber morphology are considered. The main drawbacks as well as the open challenges are also discussed.
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Affiliation(s)
- Chiara Emma Campiglio
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Nicola Contessi Negrini
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Silvia Farè
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy
| | - Lorenza Draghi
- Department of Chemistry, Materials and Chemical Engineering "G. Natta", Politecnico di Milano, via Mancinelli 7, 20131 Milan, Italy.
- INSTM, National Interuniversity Consortium of Materials Science and Technology, Local Unit Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy.
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32
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Zhang L, Liu J, Zheng X, Zhang A, Zhang X, Tang K. Pullulan dialdehyde crosslinked gelatin hydrogels with high strength for biomedical applications. Carbohydr Polym 2019; 216:45-53. [DOI: 10.1016/j.carbpol.2019.04.004] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 03/21/2019] [Accepted: 04/01/2019] [Indexed: 12/31/2022]
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33
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Li Z, Lei IM, Davoodi P, Huleihel L, Huang YYS. Solution Formulation and Rheology for Fabricating Extracellular Matrix-Derived Fibers Using Low-Voltage Electrospinning Patterning. ACS Biomater Sci Eng 2019; 5:3676-3684. [DOI: 10.1021/acsbiomaterials.9b00432] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Zhaoying Li
- Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, U.K
- The Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K
| | - Iek M. Lei
- Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, U.K
- The Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K
| | - Pooya Davoodi
- Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, U.K
- The Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K
| | - Luai Huleihel
- McGowan Institute for Regenerative Medicine, Pittsburgh, Pennsylvania 15219, United States
| | - Yan Yan Shery Huang
- Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, U.K
- The Nanoscience Centre, University of Cambridge, 11 JJ Thomson Avenue, Cambridge CB3 0FF, U.K
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34
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Fahimirad S, Ajalloueian F. Naturally-derived electrospun wound dressings for target delivery of bio-active agents. Int J Pharm 2019; 566:307-328. [PMID: 31125714 DOI: 10.1016/j.ijpharm.2019.05.053] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/18/2019] [Accepted: 05/20/2019] [Indexed: 12/30/2022]
Abstract
Electrospun nanofibers are known as the advanced means for wound dressing. They have represented remarkable potency to encapsulate and deliver biomolecules promoting the wound healing process. Compared to synthetic polymers, naturally derived polymers (NDP) are more qualified candidates for fabrication of biomedical electrospun scaffolds. Not only nanofibers of NDP illustrate higher biocompatibility and biodegradability rates, but also they mimic the native extracellular matrix more closely, which leads to the wound closure acceleration by enhancing tissue regeneration. Aside, incorporation of bioactive molecules and therapeutic agents into the nanofibers can generate innovative bioactive wound dressings with significantly improved healing potentials. This paper starts with a brief discussion on the steps and factors influencing the wound healing process. Then, the recent applications of electrospun nanofibers as wound dressing with healing accelerating properties are reviewed. Further, the various healing agents and alternative strategies for modification and functionalization of bioactive naturally-derived electrospun nanofibers are discussed.
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Affiliation(s)
- Shohreh Fahimirad
- Agriculture and Natural Resources Biotechnology Department, University of Tehran, Karaj 31587-11167, Iran.
| | - Fatemeh Ajalloueian
- Department of Health Technology, Technical University of Denmark, Ørsteds Plads 345C, Kgs. Lyngby 2800, Denmark
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35
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Smoak MM, Han A, Watson E, Kishan A, Grande-Allen KJ, Cosgriff-Hernandez E, Mikos AG. Fabrication and Characterization of Electrospun Decellularized Muscle-Derived Scaffolds. Tissue Eng Part C Methods 2019; 25:276-287. [PMID: 30909819 PMCID: PMC6535957 DOI: 10.1089/ten.tec.2018.0339] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 03/06/2019] [Indexed: 12/21/2022] Open
Abstract
Although skeletal muscle has a high potential for self-repair, volumetric muscle loss can result in impairment beyond the endogenous regenerative capacity. There is a clinical need to improve on current clinical treatments that fail to fully restore the structure and function of lost muscle. Decellularized extracellular matrix (dECM) scaffolds have been an attractive platform for regenerating skeletal muscle, as dECM contains many biochemical cues that aid in cell adhesion, proliferation, and differentiation. However, there is limited capacity to tune physicochemical properties in current dECM technologies to improve outcome. In this study, we aim to create a novel, high-throughput technique to fabricate dECM scaffolds with tunable physicochemical properties while retaining proregenerative matrix components. We demonstrate a successful decellularization protocol that effectively removes DNA. We also identified key steps for the successful production of electrospun muscle dECM without the use of a carrier polymer; electrospinning allows for rapid scaffold fabrication with high control over material properties, which can be optimized to mimic native muscle. To this end, fiber orientation and degree of crosslinking of these dECM scaffolds were modulated and the corollary effects on fiber swelling, mechanical properties, and degradation kinetics were investigated. Beyond application in skeletal muscle, the versatility of this technology has the potential to serve as a foundation for dECM scaffold fabrication in a variety of tissue engineering applications.
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Affiliation(s)
- Mollie M. Smoak
- Department of Bioengineering, Rice University, Houston, Texas
| | - Albert Han
- Department of Bioengineering, Rice University, Houston, Texas
| | - Emma Watson
- Department of Bioengineering, Rice University, Houston, Texas
| | - Alysha Kishan
- Department of Biomedical Engineering, University of Texas, Austin, Texas
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36
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Chaparro FJ, Presley KF, Coutinho da Silva MA, Mandan N, Colachis ML, Posner M, Arnold RM, Fan F, Moraes CR, Lannutti JJ. Sintered electrospun poly(ɛ‐caprolactone)–poly(ethylene terephthalate) for drug delivery. J Appl Polym Sci 2019. [DOI: 10.1002/app.47731] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Francisco J. Chaparro
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Kayla F. Presley
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Marco A. Coutinho da Silva
- Department of Veterinary Clinical SciencesThe Ohio State University 601 Vernon Tharp Street, Columbus Ohio 43210
| | - Nayan Mandan
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Matthew L. Colachis
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Michael Posner
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Ryan M. Arnold
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Fan Fan
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
| | - Christa R. Moraes
- Department of Veterinary Clinical SciencesThe Ohio State University 601 Vernon Tharp Street, Columbus Ohio 43210
| | - John J. Lannutti
- Department of Materials Science and EngineeringThe Ohio State University 2041 College Road, Columbus Ohio 43210
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37
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Liang H, Russell SJ, Wood DJ, Tronci G. Monomer-Induced Customization of UV-Cured Atelocollagen Hydrogel Networks. Front Chem 2018; 6:626. [PMID: 30619833 PMCID: PMC6304747 DOI: 10.3389/fchem.2018.00626] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 12/03/2018] [Indexed: 01/14/2023] Open
Abstract
The covalent functionalization of type I atelocollagen with either 4-vinylbenzyl or methacrylamide residues is presented as a simple synthetic strategy to achieve customizable, cell-friendly UV-cured hydrogel networks with widespread clinical applicability. Molecular parameters, i.e., the type of monomer, degree of atelocollagen functionalization and UV-curing solution, have been systematically varied and their effect on gelation kinetics, swelling behavior, elastic properties, and enzymatic degradability investigated. UV-cured hydrogel networks deriving from atelocollagen precursors functionalized with equivalent molar content of 4-vinylbenzyl (F 4VBC = 18 ± 1 mol.%) and methacrylamide (F MA = 19 ± 2 mol.%) adducts proved to display remarkably-different swelling ratio (SR = 1963 ± 58-5202 ± 401 wt.%), storage modulus (G' = 17 ± 3-390 ± 99 Pa) and collagenase resistance (μ rel = 18 ± 5-56 ± 5 wt.%), similarly to the case of UV-cured hydrogel networks obtained with the same type of methacrylamide adduct, but varied degree of functionalization (F MA = 19 ± 2 - 88 ± 1 mol.%). UV-induced network formation of 4VBC-functionalized atelocollagen molecules yielded hydrogels with increased stiffness and enzymatic stability, attributed to the molecular rigidity of resulting aromatized crosslinking segment, whilst no toxic response was observed with osteosarcoma G292 cells. Although to a lesser extent, the pH of the UV-curing solution also proved to affect macroscopic hydrogel properties, likely due to the altered organization of atelocollagen molecules during network formation. By leveraging the knowledge gained with classic synthetic networks, this study highlights how the type of monomer can be conveniently exploited to realize customizable atelocollagen hydrogels for personalized medicine, whereby the structure-property relationships can be controlled to meet the requirements of unmet clinical applications.
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Affiliation(s)
- He Liang
- Clothworkers' Centre for Textile Materials Innovation for Healthcare, School of Design, University of Leeds, Leeds, United Kingdom
- Biomaterials and Tissue Engineering Research Group, School of Dentistry, St. James's University Hospital, University of Leeds, Leeds, United Kingdom
| | - Stephen J. Russell
- Clothworkers' Centre for Textile Materials Innovation for Healthcare, School of Design, University of Leeds, Leeds, United Kingdom
| | - David J. Wood
- Biomaterials and Tissue Engineering Research Group, School of Dentistry, St. James's University Hospital, University of Leeds, Leeds, United Kingdom
| | - Giuseppe Tronci
- Clothworkers' Centre for Textile Materials Innovation for Healthcare, School of Design, University of Leeds, Leeds, United Kingdom
- Biomaterials and Tissue Engineering Research Group, School of Dentistry, St. James's University Hospital, University of Leeds, Leeds, United Kingdom
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38
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Li Z, Pan T, Wu Y, Kang W, Liu Y. Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning. ADSORPT SCI TECHNOL 2018. [DOI: 10.1177/0263617418813018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Zongjie Li
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin, PR China; School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin, PR China
| | | | - Yuke Wu
- School of Textile, Tianjin Polytechnic University, Tianjin, PR China
| | - Weimin Kang
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin, PR China; School of Textile, Tianjin Polytechnic University, Tianjin, PR China
| | - Yong Liu
- State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin, PR China; School of Textile, Tianjin Polytechnic University, Tianjin, PR China
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39
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Inflammatory response and biomechanical properties of coaxial scaffolds for engineered skin in vitro and post-grafting. Acta Biomater 2018; 80:247-257. [PMID: 30218778 DOI: 10.1016/j.actbio.2018.09.014] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 08/30/2018] [Accepted: 09/11/2018] [Indexed: 12/19/2022]
Abstract
Engineered skin (ES) offers many advantages over split-thickness skin autografts for the treatment of burn wounds. However, ES, both in vitro and after grafting, is often significantly weaker, less elastic and more compliant than normal human skin. Biomechanical properties of ES can be tuned in vitro using electrospun co-axial (CoA) scaffolds. To explore the potential for coaxial scaffold-based ES use in vivo, two CoA scaffolds were fabricated with bioactive gelatin shells and biodegradable synthetic cores of polylactic acid (PLA) and polycaprolactone (PCL), and compared with gelatin monofilament scaffolds. Fibroblast and macrophage production of inflammatory cytokines interleukin 6 (IL-6) and transforming growth factor β-1 was significantly higher when cultured on PLA and PCL monofilament scaffolds compared to gelatin monofilament scaffolds. The core-shell fiber configuration significantly reduced production of pro-inflammatory cytokines to levels similar to those of gelatin monofilament scaffolds. In vitro, ES mechanical properties were significantly enhanced using CoA scaffolds; however, after grafting CoA- and gelatin-based ES to full-thickness excisional wounds on athymic mice, the in vitro mechanical advantage of CoA grafts was lost. A substantially increased inflammatory response to CoA-based ES was observed, with upregulation of IL-6 expression and a significant M2 macrophage presence. Additionally, expression of matrix metalloproteinase I was upregulated and collagen type I alpha 1 was downregulated in CoA ES two weeks after grafting. These results suggest that while coaxial scaffolds provide the ability to regulate biomechanics in vitro, further investigation of the inflammatory response to core materials is required to optimize this strategy for clinical use. STATEMENT OF SIGNIFICANCE: Engineered skin has been used to treat very large burn injuries. Despite its ability to heal these wounds, engineered skin exhibits reduced biomechanical properties making it challenging to manufacture and surgically apply. Coaxial fiber scaffolds have been utilized to tune the mechanical properties of engineered skin while maintaining optimal biological properties but it is not known how these perform on a patient especially with regards to their inflammatory response. The current study examines the biomechanical and inflammatory properties of coaxial scaffolds and uniaxial scaffolds in vitro and in vivo. The results show that the biological response to the scaffold materials is a critical determinant of tissue properties after grafting with reduced inflammation and rapid scaffold remodeling leading to stronger skin.
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A UV-cured nanofibrous membrane of vinylbenzylated gelatin-poly(ɛ-caprolactone) dimethacrylate co-network by scalable free surface electrospinning. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 91:541-555. [DOI: 10.1016/j.msec.2018.05.076] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 05/03/2018] [Accepted: 05/26/2018] [Indexed: 12/15/2022]
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Chen Y, Ma Y, Lu W, Guo Y, Zhu Y, Lu H, Song Y. Environmentally Friendly Gelatin/ β-Cyclodextrin Composite Fiber Adsorbents for the Efficient Removal of Dyes from Wastewater. Molecules 2018; 23:E2473. [PMID: 30261678 PMCID: PMC6222675 DOI: 10.3390/molecules23102473] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/18/2018] [Accepted: 09/20/2018] [Indexed: 11/16/2022] Open
Abstract
In this paper, environmentally friendly gelatin/β-cyclodextrin (β-CD) composite fiber adsorbents prepared by electrospinning were used for the removal of dyes from wastewater. Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and a universal materials tester were employed to characterize the internal structures, surface morphologies and mechanical strength of the composite fiber adsorbents. Additionally, the fiber was evaluated as an adsorbent for the removal of methylene blue (MB) from aqueous solution. The effects of the raw material ratio, pH, temperature, concentration and adsorption time were studied. The results show that the gelatin/β-CD composite fiber adsorbents possess excellent mechanical strength and high adsorption efficiency for MB. The adsorption equilibrium and adsorption kinetics are well-described by the Langmuir isotherm model and the pseudo-second-order kinetic model, respectively. The theoretical maximum adsorption capacity is 47.4 mg·g-1. Additionally, after nine successive desorption-adsorption cycles, the removal rate is still over 70%. Moreover, the gelatin/β-CD composite fiber adsorbents exhibit excellent adsorption capability for basic fuchsin, gentian violet, brilliant blue R and malachite green dyes. Therefore, owing to the characteristics of degradability, low cost and high-efficiency, the gelatin/β-CD composite fiber can be used as an efficient adsorbent for the removal of dyes from wastewater.
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Affiliation(s)
- Yu Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Material, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Yanli Ma
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Weipeng Lu
- Key Laboratory of Photochemical Conversion and Optoelectronic Material, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Yanchuan Guo
- Key Laboratory of Photochemical Conversion and Optoelectronic Material, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Yi Zhu
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Haojun Lu
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
| | - Yeping Song
- Hangzhou Research Institute of Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Hangzhou 310018, China.
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Collagen/Polyethylene Oxide Nanofibrous Membranes with Improved Hemostasis and Cytocompatibility for Wound Dressing. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8081226] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
As a promising agent for biomedical application, collagen has been used as a nanofiber to architecturally mimic its fibrillar structure in Extracellular Matrix (ECM); however, it has to be modified by techniques, such as crosslinking, to overcome its limitations in structural stability along with potential toxicity. Here, we prepared collagen/polyethylene oxide (PEO) nanofibrous membranes with varying crosslinking degrees and their properties, such as water stability, mechanical properties, blood clotting capacity and cytocompatibility, were studied systematically. By investigating the relationship between crosslinking degree and their properties, nanofibrous membranes with improved morphology retention, blood clotting capacity and cytocompatibility have been achieved. The result of circular dichroism measurement demonstrated that a triple helical fraction around 60.5% was retained. Moreover, the electrospun collagen/PEO at crosslinking degrees above 60.6% could maintain more than 72% of its original weight and its nanofibrous morphology under physiological conditions could be well preserved for up to 7 days. Furthermore, the crosslinked collagen/PEO membrane could provide a more friendly and suitable environment to promote cell proliferation, and about 70% of the clot can be formed in 5 min. With its superior performance in water stability, hemostasis and cytocompatibility, we anticipate that this nanofibrous membrane has great potential for wound dressing.
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Branco M, Caseiro AR, Silva DM, Amorim I, Rêma A, Pedrosa SS, Branquinho MV, Gomes PS, Fernandes MH, Santos JD, Mauricio AC, Sencadas V. Processing, Characterization, and in Vivo Evaluation of Poly(l-lactic acid)-Fish Gelatin Electrospun Membranes for Biomedical Applications. ACS APPLIED BIO MATERIALS 2018; 1:226-236. [DOI: 10.1021/acsabm.8b00023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mariana Branco
- Faculdade de Engenharia, U. Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Ana R. Caseiro
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
- REQUIMTE/LAQV − Universidade do Porto, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | | | - Irina Amorim
- Departamento de Patologia e Imunologia Molecular, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, R. Alfredo Allen, 4200-135 Porto, Portugal
| | - Alexandra Rêma
- Departamento de Patologia e Imunologia Molecular, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
| | - Sílvia S. Pedrosa
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Mariana V. Branquinho
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
| | - Pedro S. Gomes
- REQUIMTE/LAQV − Universidade do Porto, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
- Faculdade de Medicina Dentária, Universidade Do Porto (FMDUP), 4200-393 Porto, Portugal
| | - Maria H. Fernandes
- REQUIMTE/LAQV − Universidade do Porto, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
- Faculdade de Medicina Dentária, Universidade Do Porto (FMDUP), 4200-393 Porto, Portugal
| | - José D. Santos
- Faculdade de Engenharia, U. Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- REQUIMTE/LAQV − Universidade do Porto, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
| | - Ana C. Mauricio
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, n° 228, 4050-313 Porto, Portugal
- Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401 Porto, Portugal
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Kishan A, Walker T, Sears N, Wilems T, Cosgriff-Hernandez E. Winner of the society for biomaterials student award in the Ph.D. category for the annual meeting of the society for biomaterials, april 11-14, 2018, Atlanta, GA: Development of a bimodal, in situ crosslinking method to achieve multifactor release from el. J Biomed Mater Res A 2018; 106:1155-1164. [DOI: 10.1002/jbm.a.36342] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 01/10/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Alysha Kishan
- Department of Biomedical Engineering; Texas A&M University; College Station Texas 77843
| | - Taneidra Walker
- Department of Biomedical Engineering; The University of Texas at Austin; Austin Texas 78712
| | - Nick Sears
- Department of Biomedical Engineering; Texas A&M University; College Station Texas 77843
| | - Thomas Wilems
- Department of Biomedical Engineering; The University of Texas at Austin; Austin Texas 78712
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Bösiger P, Richard IMT, Le Gat L, Michen B, Schubert M, Rossi RM, Fortunato G. Application of response surface methodology to tailor the surface chemistry of electrospun chitosan-poly(ethylene oxide) fibers. Carbohydr Polym 2018; 186:122-131. [PMID: 29455969 DOI: 10.1016/j.carbpol.2018.01.038] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 01/10/2018] [Accepted: 01/10/2018] [Indexed: 12/20/2022]
Abstract
Chitosan is a promising biocompatible polymer for regenerative engineering applications, but its processing remains challenging due to limited solubility and rigid crystalline structure. This work represents the development of electrospun chitosan/poly(ethylene oxide) blend nanofibrous membranes by means of a numerical analysis in order to identify and tailor the main influencing parameters with respect to accessible surface nitrogen functionalities which are of importance for the biological activity as well as for further functionalization. Depending on the solution composition, both gradient fibers and homogenous blended fiber structures could be obtained with surface nitrogen concentrations varying between 0 and 6.4%. Response surface methodology (RSM) revealed chitosan/poly(ethylene oxide) ratio and chitosan molecular weight as the main influencing factors with respect to accessible nitrogen surface atoms and respective concentrations. The model showed good adequacy hence providing a tool to tailor the surface properties of chitosan/poly(ethylene oxide) blends by addressing the amount of accessible chitosan.
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Affiliation(s)
- Peter Bösiger
- Empa, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; University of Freiburg, Faculty of Environment & Natural Resources, Chair of Forest Botany, Bertoldstrasse 17, DE-79085 Freiburg, Germany
| | - Isabelle M T Richard
- Empa, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; École européenne de Chimie, Polymères et Matériaux, Université de Strasbourg, 25 Rue Becquerel, FR-67087 Strasbourg, France
| | - Luce Le Gat
- Empa, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland; CBMN (UMR 5248, CNRS), 3BIO's Team, University of Bordeaux, Allée Geoffroy Saint-Hilaire, 33600 Pessac, France
| | - Benjamin Michen
- Empa, Laboratory for Applied Wood Materials, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland; Wood Materials Science, Institute for Building Materials, ETH Zürich, Stefano-Franscini-Platz 3, 8093 Zürich, Switzerland
| | - Mark Schubert
- Empa, Laboratory for Applied Wood Materials, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
| | - René M Rossi
- Empa, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland
| | - Giuseppino Fortunato
- Empa, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, CH-9014 St. Gallen, Switzerland.
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Yoon S, Chen B. Elastomeric and pH-responsive hydrogels based on direct crosslinking of the poly(glycerol sebacate) pre-polymer and gelatin. Polym Chem 2018. [DOI: 10.1039/c8py00544c] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The synthesis and biomedical applications of novel elastomeric, pH-responsive, biocompatible and biodegradable copolymer hydrogels based on poly(glycerol sebacate) and gelatin.
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Affiliation(s)
- Sungkwon Yoon
- School of Mechanical and Aerospace Engineering
- Queen's University Belfast
- Belfast
- UK
- Department of Materials Science and Engineering
| | - Biqiong Chen
- School of Mechanical and Aerospace Engineering
- Queen's University Belfast
- Belfast
- UK
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Wang Y, Zhu T, Kuang H, Sun X, Zhu J, Shi Y, Wang C, Mo X, Lu S, Hong T. Preparation and evaluation of poly(ester-urethane) urea/gelatin nanofibers based on different crosslinking strategies for potential applications in vascular tissue engineering. RSC Adv 2018; 8:35917-35927. [PMID: 35558443 PMCID: PMC9088401 DOI: 10.1039/c8ra07123c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 10/16/2018] [Indexed: 01/18/2023] Open
Abstract
Due to the brittleness of gelatin, the resulting absence of mechanical performance restricts its applications in vascular tissue engineering. In this research, the fabrication of poly(ester-urethane) urea/gelatin (PU75) nanofibers via an electrospinning technique, followed by different crosslinking methods, resulted in the improvement of its mechanical properties. Poly(ester urethane) urea (PEUU) nanofibrous scaffolds and PU75-based nanofibrous scaffolds were characterized using scanning electron microscopy (SEM), attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy, wide-angle X-ray diffraction (WAXRD), a mechanical properties test, a cytocompatibility assay, a hemolysis assay, and a histological analysis. Water contact angle (WCA) tests confirmed that the PU75-GA (PU75 nanofibers crosslinked with glutaraldehyde vapor) nanofibrous scaffold surfaces became more hydrophilic compared with other crosslinked nanofibrous scaffolds. The results show that the PU75-GA nanofibrous scaffold exhibited a combination of excellent mechanical properties, suitable pore diameters, hydrophilic properties, good cytocompatibility, and reliable hemocompatibility. Overall, PU75-GA nanofibers may be a potential scaffold for artificial blood vessel construction. SEM micrographs of the PEUU nanofibrous membrane, PU75 nanofibrous membrane, PU75-DT nanofibrous membrane, PU75-GA nanofibrous membrane, and PU75-E/N nanofibrous membrane and magnified 1000, 5000, and 10 000 times, respectively.![]()
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Dias J, Baptista-Silva S, Oliveira CD, Sousa A, Oliveira A, Bártolo P, Granja P. In situ crosslinked electrospun gelatin nanofibers for skin regeneration. Eur Polym J 2017. [DOI: 10.1016/j.eurpolymj.2017.08.015] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Dhand C, Venkatesh M, Barathi VA, Harini S, Bairagi S, Goh Tze Leng E, Muruganandham N, Low KZW, Fazil MHUT, Loh XJ, Srinivasan DK, Liu SP, Beuerman RW, Verma NK, Ramakrishna S, Lakshminarayanan R. Bio-inspired crosslinking and matrix-drug interactions for advanced wound dressings with long-term antimicrobial activity. Biomaterials 2017; 138:153-168. [DOI: 10.1016/j.biomaterials.2017.05.043] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 05/18/2017] [Accepted: 05/25/2017] [Indexed: 01/19/2023]
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Kishan AP, Robbins AB, Mohiuddin SF, Jiang M, Moreno MR, Cosgriff-Hernandez EM. Fabrication of macromolecular gradients in aligned fiber scaffolds using a combination of in-line blending and air-gap electrospinning. Acta Biomater 2017; 56:118-128. [PMID: 28017867 DOI: 10.1016/j.actbio.2016.12.041] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 11/10/2016] [Accepted: 12/16/2016] [Indexed: 02/09/2023]
Abstract
Although a variety of fabrication methods have been developed to generate electrospun meshes with gradient properties, no platform has yet to achieve fiber alignment in the direction of the gradient that mimics the native tendon-bone interface. In this study, we present a method combining in-line blending and air-gap electrospinning to address this limitation in the field. A custom collector with synced rotation permitted fiber collection with uniform mesh thickness and periodic copper wires were used to induce fiber alignment. Two poly(ester urethane ureas) with different hard segment contents (BPUR 50, BPUR 10) were used to generate compositional gradient meshes with and without fiber alignment. The compositional gradient across the length of the mesh was characterized using a fluorescent dye and the results indicated a continuous transition from the BPUR 50 to the BPUR 10. As expected, the fiber alignment of the gradient meshes induced a corresponding alignment of adherent cells in static culture. Tensile testing of the sectioned meshes confirmed a graded transition in mechanical properties and an increase in anisotropy with fiber alignment. Finite element modeling was utilized to illustrate the gradient mechanical properties across the full length of the mesh and lay the foundation for future computational development work. Overall, these results indicate that this electrospinning method permits the fabrication of macromolecular gradients in the direction of fiber alignment and demonstrate its potential for use in interfacial tissue engineering. STATEMENT OF SIGNIFICANCE The native tendon-bone interface contains a gradient of properties that ensures stability of the joint. Without this transition, failure can occur due to stress concentration at the bone insertion site. Electrospinning is a method commonly used to produce fibrous grafts with gradient properties; however, no current method allows for gradients in the direction of fiber alignment. This work details a novel electrospinning method to produce gradients in the direction of fiber alignment in order to better mimic transitional zones and improve regeneration of the tendon-bone interface. In addition to the biomechanical gradients demonstrated here, this method may also be used to generate gradients of macromolecular, biochemical, and cellular cues with broad potential utility in tissue engineering.
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