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Johari N, Khodaei A, Samadikuchaksaraei A, Reis RL, Kundu SC, Moroni L. Ancient fibrous biomaterials from silkworm protein fibroin and spider silk blends: Biomechanical patterns. Acta Biomater 2022; 153:38-67. [PMID: 36126911 DOI: 10.1016/j.actbio.2022.09.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 08/26/2022] [Accepted: 09/13/2022] [Indexed: 11/15/2022]
Abstract
Silkworm silk protein fibroin and spider silk spidroin are known biocompatible and natural biodegradable polymers in biomedical applications. The presence of β-sheets in silk fibroin and spider spidroin conformation improves their mechanical properties. The strength and toughness of pure recombinant silkworm fibroin and spidroin are relatively low due to reduced molecular weight. Hence, blending is the foremost approach of recent studies to optimize silk fibroin and spidroin's mechanical properties. As summarised in the present review, numerous research investigations evaluate the blending of natural and synthetic polymers. The effects of blending silk fibroin and spidroin with natural and synthetic polymers on the mechanical properties are discussed in this review article. Indeed, combining natural and synthetic polymers with silk fibroin and spidroin changes their conformation and structure, fine-tuning the blends' mechanical properties. STATEMENT OF SIGNIFICANCE: Silkworm and spider silk proteins (silk fibroin and spidroin) are biocompatible and biodegradable natural polymers having different types of biomedical applications. Their mechanical and biological properties may be tuned through various strategies such as blending, conjugating and cross-linking. Blending is the most common method to modify fibroin and spidroin properties on demand, this review article aims to categorize and evaluate the effects of blending fibroin and spidroin with different natural and synthetic polymers. Increased polarity and hydrophilicity end to hydrogen bonding triggered conformational change in fibroin and spidroin blends. The effect of polarity and hydrophilicity of the blending compound is discussed and categorized to a combinatorial, synergistic and indirect impacts. This outlook guides us to choose the blending compounds mindfully as this mixing affects the biochemical and biophysical characteristics of the biomaterials.
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Affiliation(s)
- Narges Johari
- Materials Engineering group, Golpayegan College of Engineering, Isfahan University of Technology, Golpayegan, Iran.
| | - Azin Khodaei
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands.
| | - Ali Samadikuchaksaraei
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Science, Tehran, Iran.
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, 4805-017 Barco, Guimarães, Portugal.
| | - Subhas C Kundu
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, 4805-017 Barco, Guimarães, Portugal.
| | - Lorenzo Moroni
- Maastricht University, MERLN Institute for Technology Inspired Regenerative Medicine, Complex Tissue Regeneration Department, Maastricht, The Netherlands.
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Characterization of polyurethane and a silk fibroin-polyurethane composite fiber studied with NMR spectroscopies. Polym J 2022. [DOI: 10.1038/s41428-022-00629-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Asakura T, Ibe Y, Jono T, Naito A. Structure and dynamics of biodegradable polyurethane-silk fibroin composite materials in the dry and hydrated states studied using 13C solid-state NMR spectroscopy. Polym Degrad Stab 2021. [DOI: 10.1016/j.polymdegradstab.2021.109645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Tanaka T, Ibe Y, Jono T, Tanaka R, Naito A, Asakura T. Characterization of a Water-Dispersed Biodegradable Polyurethane-Silk Composite Sponge Using 13C Solid-State Nuclear Magnetic Resonance as Coating Material for Silk Vascular Grafts with Small Diameters. Molecules 2021; 26:4649. [PMID: 34361802 PMCID: PMC8347230 DOI: 10.3390/molecules26154649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/12/2021] [Accepted: 07/27/2021] [Indexed: 11/30/2022] Open
Abstract
Recently, Bombyx mori silk fibroin (SF) has been shown to be a suitable material for vascular prostheses for small arteries. In this study, we developed a softer SF graft by coating water-dispersed biodegradable polyurethane (PU) based on polycaprolactone and an SF composite sponge on the knitted SF vascular graft. Three kinds of 13C solid-state nuclear magnetic resonance (NMR), namely carbon-13 (13C) cross-polarization/magic angle spinning (MAS), 13C dipolar decoupled MAS, and 13C refocused insensitive nuclei enhanced by polarization transfer (r-INEPT) NMR, were used to characterize the PU-SF coating sponge. Especially the 13C r-INEPT NMR spectrum of water-dispersed biodegradable PU showed that both main components of the non-crystalline domain of PU and amorphous domain of SF were highly mobile in the hydrated state. Then, the small-diameter SF artificial vascular grafts coated with this sponge were evaluated through implantation experiments with rats. The implanted PU-SF-coated SF grafts showed a high patency rate. It was confirmed that the inside of the SF grafts was covered with vascular endothelial cells 4 weeks after implantation. These results showed that the water-dispersed biodegradable PU-SF-coated SF graft created in this study could be a strong candidate for small-diameter artificial vascular graft.
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Affiliation(s)
- Takashi Tanaka
- Department of Veterinary Science, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan; (T.T.); (R.T.)
| | - Yusuke Ibe
- Polyurethane Research Laboratory, Tosoh Corporation, Mie 510-8540, Japan; (Y.I.); (T.J.)
| | - Takaki Jono
- Polyurethane Research Laboratory, Tosoh Corporation, Mie 510-8540, Japan; (Y.I.); (T.J.)
| | - Ryo Tanaka
- Department of Veterinary Science, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan; (T.T.); (R.T.)
| | - Akira Naito
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan;
| | - Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan;
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Abdollahiyan P, Oroojalian F, Hejazi M, de la Guardia M, Mokhtarzadeh A. Nanotechnology, and scaffold implantation for the effective repair of injured organs: An overview on hard tissue engineering. J Control Release 2021; 333:391-417. [DOI: 10.1016/j.jconrel.2021.04.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 03/31/2021] [Accepted: 04/02/2021] [Indexed: 12/17/2022]
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Kitpipatkun P, Sutummaporn K, Kato K, Murakami T, Kobayashi K, Nakazawa Y, Tanaka R. Silk fibroin/polyurethane patch implantation in hyperglycemic rat model. J Biomater Appl 2021; 36:701-713. [PMID: 33653156 DOI: 10.1177/0885328221999227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To understand the complication and histopathological characteristics between the Silk Fibroin/Polyurethanes (SF/PU) and the host response, and to unveil the compatibility of the patch in diabetes individuals. METHODS Rats were divided into DM and control (CT) groups, and the DM group was induced with streptozotocin. All groups underwent the SF/PU patch implantation in the abdominal aorta, and the implanted patches were evaluated at one, two, three, and four weeks after implantation. RESULTS DM group had more fibrosis formation and a delayed endothelialization compared to the CT group. There was no evidence of chronic inflammation in both DM and CT groups. CONCLUSIONS Fibrosis in hyperglycemic individuals could promote the formation of new vascular structures in the implanted patch such as endothelial and vascular smooth muscle cells. In summary, the SF/PU patch was no serious complications when implanted under hyperglycemia, and the patch was suitable to implant in diabetes mellitus.
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Affiliation(s)
- Pitipat Kitpipatkun
- Department of Veterinary Surgery, Rajamangala University of Agriculture and Technology, Chon Buri, Thailand
| | - Kripitch Sutummaporn
- Department of Pre-clinic and Applied Animal Science, Mahidol University, Nakhon Pathom, Thailand
| | - Konosuke Kato
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Tomoaki Murakami
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Kyoko Kobayashi
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Yasumoto Nakazawa
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Ryou Tanaka
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
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van Uden S, Catto V, Perotto G, Athanassiou A, Redaelli ACL, Greco FG, Riboldi SA. Electrospun fibroin/polyurethane hybrid meshes: Manufacturing, characterization, and potentialities as substrates for haemodialysis arteriovenous grafts. J Biomed Mater Res B Appl Biomater 2018; 107:807-817. [PMID: 30102833 DOI: 10.1002/jbm.b.34177] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 04/20/2018] [Accepted: 05/28/2018] [Indexed: 11/10/2022]
Abstract
Several attempts made so far to combine silk fibroin and polyurethane, in order to prepare scaffolds encompassing the bioactivity of the former with the elasticity of the latter, suffer from critical drawbacks concerning industrial and clinical applicability (e.g., separation of phases upon processing, use of solvents unaddressed by the European Pharmacopoeia, and use of degradable polyurethanes). Overcoming these limitations, in this study, we report the successful blending of regenerated silk fibroin with a medical-grade, non-degradable polyurethane using formic acid and dichloromethane, and the manufacturing of hybrid, semi-degradable electrospun tubular meshes with different ratios of the two materials. Physicochemical analyses demonstrated the maintenance of the characteristic features of fibroin and polyurethane upon solubilization, blending, electrospinning, and postprocessing with ethanol or methanol. Envisioning their possible application as semidegradable substrates for haemodialysis arteriovenous grafts, tubular meshes were further characterized, showing submicrometric fibrous morphologies, tunable mechanical properties, permeability before and after puncture in the same order of magnitude as commercial grafts currently used in the clinics. Results demonstrate the potential of this material for the development of hybrid, new-generation vascular grafts with disruptive potential in the field of in situ tissue engineering. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 807-817, 2019.
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Affiliation(s)
- Sebastião van Uden
- Bioengineering Laboratories S.r.l., Cantù (CO), Italy.,Politecnico di Milano, Milano (MI), Italy
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Aytemiz D, Fukuda Y, Higuchi A, Asano A, Nakazawa CT, Kameda T, Yoshioka T, Nakazawa Y. Compatibility Evaluation of Non-Woven Sheet Composite of Silk Fibroin and Polyurethane in the Wet State. Polymers (Basel) 2018; 10:polym10080874. [PMID: 30960799 PMCID: PMC6403721 DOI: 10.3390/polym10080874] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 01/07/2023] Open
Abstract
SF/polyurethane composite non-woven sheet was fabricated to evaluate the cardiovascular tissue engineering materials in the wet state. The compatibility and microstructure analyses were carried out on the fabricated SF/polyurethane composite non-woven sheet by thermal analysis and solid-state NMR analysis in the wet state. To evaluate the modulus of elasticity, a tensile test was performed and supported with dynamic viscoelasticity and mechanical analysis. Results showed that SF/polyurethane composites form domains within the non-woven sheet and are in a finely dispersed state while maintaining their structures at a scale of several tens of nm. Moreover, an increase of the loss tangent with low elastic modulus proved that a micromolecular interaction occurs between silk fibroin (SF) and polyurethane molecules.
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Affiliation(s)
- Derya Aytemiz
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
| | - Yasuhiro Fukuda
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
| | - Akira Higuchi
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
| | - Atsushi Asano
- Department of Applied Chemistry, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan.
| | - Chikako T Nakazawa
- Department of Applied Chemistry, National Defense Academy, 1-10-20 Hashirimizu, Yokosuka, Kanagawa 239-8686, Japan.
| | - Tsunenori Kameda
- Silk Material Research Unit, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ohwashi, Tsukuba, Ibaraki 305-8634, Japan.
| | - Taiyo Yoshioka
- Silk Material Research Unit, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ohwashi, Tsukuba, Ibaraki 305-8634, Japan.
| | - Yasumoto Nakazawa
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.
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Development of a new surgical sheet containing both silk fibroin and thermoplastic polyurethane for cardiovascular surgery. Surg Today 2017; 48:486-494. [PMID: 29256145 DOI: 10.1007/s00595-017-1615-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 11/27/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE The surgical sheets that are currently used for congenital cardiovascular surgery have several drawbacks, including material deterioration, calcification, and pseudo-intimal proliferation resulting in hemodynamic disturbance. The aim of this study was to evaluate a newly developed sheet made from a combination of silk fibroin (SF) and a synthetic polymer, thermoplastic polyurethane (TPU), for surgical use. METHODS The hybrid SF/TPU sheet was a non-woven fabric with nanofibers that was made using the electrospinning method. The mechanical properties of the SF/TPU sheet were characterized. To determine its biocompatibility, part of the wall of the canine descending aorta was replaced with a SF/TPU sheet as a patch. The patches were removed after 3 months and a histological examination was performed. RESULTS The flexibility, water permeability, and suture retention strength of the SF/TPU sheet were excellent and equivalent to those of existing sheets. The SF/TPU sheet had excellent handling properties and fit well into the vascular wall without needle hole bleeding. The histological examination revealed that the intimal tissue was restored well over the intraluminal surface of the explanted SF/TPU sheet, the absence of calcium deposition, and minimal inflammatory reaction, without signs of degradation. CONCLUSION The SF/TPU sheet had excellent mechanical properties and tissue biocompatibility. These favorable features and possible biodegradability of the SF portion warrant a long-term follow-up study.
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Shimada K, Higuchi A, Kubo R, Murakami T, Nakazawa Y, Tanaka R. The effect of a silk Fibroin/Polyurethane blend patch on rat Vessels. Organogenesis 2017; 13:115-124. [PMID: 28933641 DOI: 10.1080/15476278.2017.1344376] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Patch grafts are widely used in various kind of vascular surgeries such as detect repair or dilation of vascular stenosis. Expanded polytetrafluoroethylene (ePTFE) patches are flexible and handle well, but have shown problems with calcification as they are non-bioabsorbable and therefore permanently remain in the body. It is important to develop an alternative biocompatible patch. Silk fibroin (SF) was developed as a biocompatible material, but it lacks of the elasticity required for surgery as a patch. Polyurethane (PU) is also a well-known elastomer so this study focused on the SF and the PU blend materials with a weight ratio of 5:5 (SF/PU). To evaluate the SF/PU patch, the patches were implanted into the abdominal aortas of rats, using the ePTFE patch in the control group. Because it was more flexible the SF/PU patch was easier to implant than the ePTFE patch. At 1 week after implantation, the SF/PU patch had been infiltrated with cells and collagen fiber. The ePTFE control patch did not accumulate collagen fiber until 3 months and calcification occurred at 4 weeks. The SF/PU patch did not present any signs of calcification for 3 months. This study addressed the problems associated with using SF in isolation and showed that the SF/PU patch can be considered as a useful alternative to the ePTFE to overcome the problem of calcification.
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Affiliation(s)
- Kazumi Shimada
- a Department of Veterinary Surgery , Tokyo University of Agriculture and Technology , Fuchu , Tokyo , Japan
| | - Akira Higuchi
- b Department of Biotechnology , Tokyo University of Agriculture and Technology , Koganei , Tokyo , Japan
| | - Ryota Kubo
- b Department of Biotechnology , Tokyo University of Agriculture and Technology , Koganei , Tokyo , Japan
| | - Tomoaki Murakami
- c Department of Veterinary Toxicology , Tokyo University of Agriculture and Technology , Fuchu , Tokyo , Japan
| | - Yasumoto Nakazawa
- b Department of Biotechnology , Tokyo University of Agriculture and Technology , Koganei , Tokyo , Japan
| | - Ryou Tanaka
- a Department of Veterinary Surgery , Tokyo University of Agriculture and Technology , Fuchu , Tokyo , Japan
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Fukuda Y, Aytemiz D, Higuchi A, Ichida Y, Asakura T, Kameda T, Nakazawa Y. Relationship between structure and physical strength of silk fibroin nanofiber sheet depending on insolubilization treatment. J Appl Polym Sci 2017. [DOI: 10.1002/app.45560] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yasuhiro Fukuda
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Derya Aytemiz
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Akira Higuchi
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Yuya Ichida
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Tetsuo Asakura
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
| | - Tsunenori Kameda
- Silk Material Research Unit; Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ohwashi; Tsukuba Ibaraki 305-8634 Japan
| | - Yasumoto Nakazawa
- Department of Biotechnology and Life Science; Tokyo University of Agriculture and Technology; 2-24-16 Naka-cho Koganei Tokyo 184-8588 Japan
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