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Mazurek Ł, Rybka M, Jurak J, Frankowski J, Konop M. Silk Sericin and Its Effect on Skin Wound Healing: A State of the Art. Macromol Biosci 2024:e2400145. [PMID: 39073276 DOI: 10.1002/mabi.202400145] [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: 03/27/2024] [Revised: 07/03/2024] [Indexed: 07/30/2024]
Abstract
Despite the significant progress in wound healing, chronic skin wounds remain a challenge for today's medicine. Due to the growing popularity of natural materials, silk protein-based dressings are gaining more attention in this field. Most studies refer to silk fibroin because sericin has been considered a waste product for years. However, sericin is also worth noting. Sericin-based dressings are mainly studied in cell cultures or animals. Sericin is the dressings' main component or can be included in more complex, advanced biomaterials. Recent studies highlight sericin's important role, noting its biocompatibility, biodegradability, and beneficial effects in skin wound healing, such as antibacterial activity, antioxidant and anti-inflammatory effects, or angiogenic properties. Developing sericin-based biomaterials is often simple, free of toxic by-products, and inexpensive, requiring no highly sophisticated apparatus. As a result, sericin-based dressings can be widely used in wound healing and have low environmental impact. However, the literature in this area is further limited. The following review collects and describes recent studies showing silk sericin's influence on skin wound healing.
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Affiliation(s)
- Łukasz Mazurek
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Pawińskiego 3c, Warsaw, 02-106, Poland
| | - Mateusz Rybka
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Pawińskiego 3c, Warsaw, 02-106, Poland
| | - Jan Jurak
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Pawińskiego 3c, Warsaw, 02-106, Poland
| | - Jakub Frankowski
- Department of Bioeconomy, Institute of Natural Fibres & Medicinal Plants-National Research Institute, Wojska Polskiego 71b, Poznań, 60-630, Poland
| | - Marek Konop
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Pawińskiego 3c, Warsaw, 02-106, Poland
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2
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Veiga A, Foster O, Kaplan DL, Oliveira AL. Expanding the boundaries of silk sericin biomaterials in biomedical applications. J Mater Chem B 2024; 12:7020-7040. [PMID: 38935038 DOI: 10.1039/d4tb00386a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Silk sericin (SS) has a long history as a by-product of the textile industry. SS has emerged as a sustainable material for biomedical engineering due to its material properties including water solubility, diverse impact on biological activities including antibacterial and antioxidant properties, and ability to promote cell adhesion and proliferation. This review addresses the origin, structure, properties, extraction, and underlying functions of this protein. An overview of the growing research studies and market evolution is presented, along with highlights of the most common fabrication matrices (hydrogels, bioinks, porous and fibrous scaffolds) and tissue engineering applications. Finally, the future trends with this protein as a multifaceted toolbox for bioengineering are explored, along with the challenges with SS. Overall, the present review can serve as a foundation for the creation of innovative biomaterials utilizing SS as a fundamental building block that hold market potential.
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Affiliation(s)
- Anabela Veiga
- CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- LEPABE-Laboratory for Process Engineering, Environment, Biotechnology & Energy, Department of Chemical Engineering, Faculty of Engineering of the University of Porto, R. Dr. Roberto Frias, 4200-465 Porto, Portugal
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA 02155, USA
| | - Olivia Foster
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA 02155, USA
| | - Ana Leite Oliveira
- ALiCE-Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
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3
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Bitar L, Isella B, Bertella F, Bettker Vasconcelos C, Harings J, Kopp A, van der Meer Y, Vaughan TJ, Bortesi L. Sustainable Bombyx mori's silk fibroin for biomedical applications as a molecular biotechnology challenge: A review. Int J Biol Macromol 2024; 264:130374. [PMID: 38408575 DOI: 10.1016/j.ijbiomac.2024.130374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 02/19/2024] [Accepted: 02/20/2024] [Indexed: 02/28/2024]
Abstract
Silk is a natural engineering material with a unique set of properties. The major constituent of silk is fibroin, a protein widely used in the biomedical field because of its mechanical strength, toughness and elasticity, as well as its biocompatibility and biodegradability. The domestication of silkworms allows large amounts of fibroin to be extracted inexpensively from silk cocoons. However, the industrial extraction process has drawbacks in terms of sustainability and the quality of the final medical product. The heterologous production of fibroin using recombinant DNA technology is a promising approach to address these issues, but the production of such recombinant proteins is challenging and further optimization is required due to the large size and repetitive structure of fibroin's DNA and amino acid sequence. In this review, we describe the structure-function relationship of fibroin, the current extraction process, and some insights into the sustainability of silk production for biomedical applications. We focus on recent advances in molecular biotechnology underpinning the production of recombinant fibroin, working toward a standardized, successful and sustainable process.
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Affiliation(s)
- Lara Bitar
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands; Fibrothelium GmbH, Philipsstraße 8, 52068 Aachen, Germany
| | - Benedetta Isella
- Fibrothelium GmbH, Philipsstraße 8, 52068 Aachen, Germany; Biomechanics Research Centre (BioMEC), Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, University Road, H91 TK33 Galway, Ireland
| | - Francesca Bertella
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands; B4Plastics, IQ Parklaan 2A, 3650 Dilsen-Stokkem, Belgium
| | - Carolina Bettker Vasconcelos
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands; Umlaut GmbH, Am Kraftversorgungsturm 3, 52070 Aachen, Germany
| | - Jules Harings
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands
| | - Alexander Kopp
- Fibrothelium GmbH, Philipsstraße 8, 52068 Aachen, Germany
| | - Yvonne van der Meer
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands
| | - Ted J Vaughan
- Biomechanics Research Centre (BioMEC), Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, University Road, H91 TK33 Galway, Ireland
| | - Luisa Bortesi
- Maastricht University-Aachen Maastricht Institute for Biobased Materials (AMIBM), Urmonderbaan 22, 6167 RD Geleen, the Netherlands.
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4
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Guo Y, Awais MM, Fei S, Xia J, Sun J, Feng M. Applications and Potentials of a Silk Fibroin Nanoparticle Delivery System in Animal Husbandry. Animals (Basel) 2024; 14:655. [PMID: 38396623 PMCID: PMC10885876 DOI: 10.3390/ani14040655] [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: 01/11/2024] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Silk fibroin (SF), a unique natural polymeric fibrous protein extracted from Bombyx mori cocoons, accounts for approximately 75% of the total mass of silk. It has great application prospects due to its outstanding biocompatibility, biodegradability, low immunogenicity, and mechanical stability. Additionally, it is non-toxic and environmentally friendly. Nanoparticle delivery systems constructed with SF can improve the bioavailability of the carriers, increase the loading rates, control the release behavior of the deliverables, and enhance their action efficiencies. Animal husbandry is an integral part of agriculture and plays a vital role in the development of the rural economy. However, the pillar industry experiences a lot of difficulties, like drug abuse while treating major animal diseases, and serious environmental pollution, restricting sustainable development. Interestingly, the limited use cases of silk fibroin nanoparticle (SF NP) delivery systems in animal husbandry, such as veterinary vaccines and feed additives, have shown great promise. This paper first reviews the SF NP delivery system with regard to its advantages, disadvantages, and applications. Moreover, we describe the application status and developmental prospects of SF NP delivery systems to provide theoretical references for further development in livestock production and promote the high-quality and healthy development of animal husbandry.
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Affiliation(s)
| | | | | | | | | | - Min Feng
- Guangdong Provincial Key Laboratory of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China; (Y.G.); (M.M.A.); (S.F.); (J.X.); (J.S.)
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5
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Wang SL, Li XW, Xu W, Yu QY, Fang SM. Advances of regenerated and functionalized silk biomaterials and application in skin wound healing. Int J Biol Macromol 2024; 254:128024. [PMID: 37972830 DOI: 10.1016/j.ijbiomac.2023.128024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/26/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
The cocoon silk of silkworms (Bombyx mori) has multiple potential applications in biomedicine due to its good biocompatibility, mechanical properties, degradability, and plasticity. Numerous studies have confirmed that silk material dressings are more effective than traditional ones in the skin wound healing process. Silk material research has recently moved toward functionalized biomaterials and achieved remarkable results. Herein, we summarize the recent advances in functionalized silk materials and their efficacy in skin wound healing. In particular, transgenic technology has realized the specific expression of human growth factors in the silk glands of the silkworms, which lays the foundation for fabricating novel and low-cost functionalized materials. Without a green and safe preparation process, the best raw silk materials cannot be made into medically safe products. Therefore, we provide an overview of green and gentle approaches for silk degumming and silk sericin (SS) extraction. Moreover, we summarize and discuss the processing methods of silk fibroin (SF) and SS materials and their potential applications, such as burns, diabetic wounds, and other wounds. This review aims to enhance our understanding of new advances and directions in silk materials and guide future biomedical research.
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Affiliation(s)
- Sheng-Lan Wang
- College of Life Science, China West Normal University, Nanchong 637002, Sichuan, China
| | - Xiao-Wei Li
- School of Life Sciences, Chongqing University, Chongqing 400044, PR China
| | - Wei Xu
- Department of Dermatology, Chongqing Hospital of Traditional Chinese Medicine, No. 40 Daomenkou St., District Yuzhong, Chongqing 400011, China
| | - Quan-You Yu
- School of Life Sciences, Chongqing University, Chongqing 400044, PR China
| | - Shou-Min Fang
- College of Life Science, China West Normal University, Nanchong 637002, Sichuan, China.
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6
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Huang L, Shi J, Zhou W, Zhang Q. Advances in Preparation and Properties of Regenerated Silk Fibroin. Int J Mol Sci 2023; 24:13153. [PMID: 37685960 PMCID: PMC10487664 DOI: 10.3390/ijms241713153] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/19/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
Over the years, silk fibroin (SF) has gained significant attention in various fields, such as biomedicine, tissue engineering, food processing, photochemistry, and biosensing, owing to its remarkable biocompatibility, machinability, and chemical modifiability. The process of obtaining regenerated silk fibroin (RSF) involves degumming, dissolving, dialysis, and centrifugation. RSF can be further fabricated into films, sponges, microspheres, gels, nanofibers, and other forms. It is now understood that the dissolution method selected greatly impacts the molecular weight distribution and structure of RSF, consequently influencing its subsequent processing and application. This study comprehensively explores and summarizes different dissolution methods of SF while examining their effects on the structure and performance of RSF. The findings presented herein aim to provide valuable insights and references for researchers and practitioners interested in utilizing RSF in diverse fields.
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Affiliation(s)
| | | | | | - Qing Zhang
- College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
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7
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Roblin NV, DeBari MK, Shefter SL, Iizuka E, Abbott RD. Development of a More Environmentally Friendly Silk Fibroin Scaffold for Soft Tissue Applications. J Funct Biomater 2023; 14:jfb14040230. [PMID: 37103320 PMCID: PMC10143335 DOI: 10.3390/jfb14040230] [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: 03/23/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023] Open
Abstract
A push for environmentally friendly approaches to biomaterials fabrication has emerged from growing conservational concerns in recent years. Different stages in silk fibroin scaffold production, including sodium carbonate (Na2CO3)-based degumming and 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP)-based fabrication, have drawn attention for their associated environmental concerns. Environmentally friendly alternatives have been proposed for each processing stage; however, an integrated green fibroin scaffold approach has not been characterized or used for soft tissue applications. Here, we show that the combination of sodium hydroxide (NaOH) as a substitute degumming agent with the popular "aqueous-based" alternative silk fibroin gelation method yields fibroin scaffolds with comparable properties to traditional Na2CO3-degummed aqueous-based scaffolds. The more environmentally friendly scaffolds were found to have comparable protein structure, morphology, compressive modulus, and degradation kinetics, with increased porosity and cell seeding density relative to traditional scaffolds. Human adipose-derived stem cells showed high viability after three days of culture while seeded in each scaffold type, with uniform cell attachment to pore walls. Adipocytes from human whole adipose tissue seeded into scaffolds were found to have similar levels of lipolytic and metabolic function between conditions, in addition to a healthy unilocular morphology. Results indicate that our more environmentally friendly methodology for silk scaffold production is a viable alternative and well suited to soft tissue applications.
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Affiliation(s)
- Nathan V Roblin
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Megan K DeBari
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Sandra L Shefter
- Department of Materials Science and Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Erica Iizuka
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Rosalyn D Abbott
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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8
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Amino Acid Substitutions at P1 Position Change the Inhibitory Activity and Specificity of Protease Inhibitors BmSPI38 and BmSPI39 from Bombyx mori. Molecules 2023; 28:molecules28052073. [PMID: 36903318 PMCID: PMC10004685 DOI: 10.3390/molecules28052073] [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: 01/31/2023] [Revised: 02/19/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
It was found that silkworm serine protease inhibitors BmSPI38 and BmSPI39 were very different from typical TIL-type protease inhibitors in sequence, structure, and activity. BmSPI38 and BmSPI39 with unique structure and activity may be good models for studying the relationship between the structure and function of small-molecule TIL-type protease inhibitors. In this study, site-directed saturation mutagenesis at the P1 position was conducted to investigate the effect of P1 sites on the inhibitory activity and specificity of BmSPI38 and BmSPI39. In-gel activity staining and protease inhibition experiments confirmed that BmSPI38 and BmSPI39 could strongly inhibit elastase activity. Almost all mutant proteins of BmSPI38 and BmSPI39 retained the inhibitory activities against subtilisin and elastase, but the replacement of P1 residues greatly affected their intrinsic inhibitory activities. Overall, the substitution of Gly54 in BmSPI38 and Ala56 in BmSPI39 with Gln, Ser, or Thr was able to significantly enhance their inhibitory activities against subtilisin and elastase. However, replacing P1 residues in BmSPI38 and BmSPI39 with Ile, Trp, Pro, or Val could seriously weaken their inhibitory activity against subtilisin and elastase. The replacement of P1 residues with Arg or Lys not only reduced the intrinsic activities of BmSPI38 and BmSPI39, but also resulted in the acquisition of stronger trypsin inhibitory activities and weaker chymotrypsin inhibitory activities. The activity staining results showed that BmSPI38(G54K), BmSPI39(A56R), and BmSPI39(A56K) had extremely high acid-base and thermal stability. In conclusion, this study not only confirmed that BmSPI38 and BmSPI39 had strong elastase inhibitory activity, but also confirmed that P1 residue replacement could change their activity and inhibitory specificity. This not only provides a new perspective and idea for the exploitation and utilization of BmSPI38 and BmSPI39 in biomedicine and pest control, but also provides a basis or reference for the activity and specificity modification of TIL-type protease inhibitors.
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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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Liu J, Shi L, Deng Y, Zou M, Cai B, Song Y, Wang Z, Wang L. Silk sericin-based materials for biomedical applications. Biomaterials 2022; 287:121638. [PMID: 35921729 DOI: 10.1016/j.biomaterials.2022.121638] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 06/04/2022] [Accepted: 06/14/2022] [Indexed: 11/17/2022]
Abstract
Silk sericin, a natural protein extracted from silkworm cocoons, has been extensively studied and utilized in the biomedical field because of its superior biological activities and controllable chemical-physical properties. Sericin is biocompatible and naturally cell adhesive, enabling cell attachment, proliferation, and differentiation in sericin-based materials. Moreover, its abundant functional groups from variable amino acids composition allow sericin to be chemically modified and cross-linked to form versatile constructs serving as alternative matrixes for biomedical applications. Recently, sericin has been constructed into various types of biomaterials for tissue engineering and regenerative medicine, including various bulk constructions (films, hydrogels, scaffolds, conduits, and devices) and micro-nano formulations. In this review, we systemically summarize the properties of silk sericin, introduce its different forms, and demonstrate their newly-developed as well as potential biomedical applications.
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Affiliation(s)
- Jia Liu
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lin Shi
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yan Deng
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Meizhen Zou
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Bo Cai
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yu Song
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zheng Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Lin Wang
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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11
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Ghaffari-Bohlouli P, Jafari H, Taebnia N, Abedi A, Amirsadeghi A, Niknezhad SV, Alimoradi H, Jafarzadeh S, Mirzaei M, Nie L, Zhang J, Varma RS, Shavandi A. Protein by-products: Composition, extraction, and biomedical applications. Crit Rev Food Sci Nutr 2022; 63:9436-9481. [PMID: 35546340 DOI: 10.1080/10408398.2022.2067829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Significant upsurge in animal by-products such as skin, bones, wool, hides, feathers, and fats has become a global challenge and, if not properly disposed of, can spread contamination and viral diseases. Animal by-products are rich in proteins, which can be used as nutritional, pharmacologically functional ingredients, and biomedical materials. Therefore, recycling these abundant and renewable by-products and extracting high value-added components from them is a sustainable approach to reclaim animal by-products while addressing scarce landfill resources. This article appraises the most recent studies conducted in the last five years on animal-derived proteins' separation and biomedical application. The effort encompasses an introduction about the composition, an overview of the extraction and purification methods, and the broad range of biomedical applications of these ensuing proteins.
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Affiliation(s)
| | - Hafez Jafari
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Nayere Taebnia
- Center for Intestinal Absorption and Transport of Biopharmaceuticals, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ali Abedi
- Department of Life Science Engineering, Faculty of New Sciences and Technology, University of Tehran, Tehran, Iran
| | - Armin Amirsadeghi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Houman Alimoradi
- School of Biomedical Sciences, University of Otago, Dunedin, New Zealand
| | - Sina Jafarzadeh
- Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Mahta Mirzaei
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
| | - Lei Nie
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, P.R. China
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacky University, Olomouc, Czech Republic
| | - Amin Shavandi
- 3BIO-BioMatter, Faculty of engineering, Free University of Brussels (ULB), Brussels, Belgium
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12
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Yazawa K, Mizukami S, Aoki M, Tamada Y. Electrospinning of spider silk‐based nanofibers. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kenjiro Yazawa
- Department of Applied Biology, Faculty of Textile Science and Technology Shinshu University Ueda Nagano Japan
- Division of Biological and Medical Fiber, Institute for Fiber Engineering Interdisciplinary Cluster for Cutting Edge Research, Shinshu University Ueda Nagano Japan
| | - Saeka Mizukami
- Department of Applied Biology, Faculty of Textile Science and Technology Shinshu University Ueda Nagano Japan
| | - Masaaki Aoki
- Department of Applied Biology, Faculty of Textile Science and Technology Shinshu University Ueda Nagano Japan
| | - Yasushi Tamada
- Department of Applied Biology, Faculty of Textile Science and Technology Shinshu University Ueda Nagano Japan
- Division of Biological and Medical Fiber, Institute for Fiber Engineering Interdisciplinary Cluster for Cutting Edge Research, Shinshu University Ueda Nagano Japan
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13
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Yerra A, Dadala MM. Silk fibroin electrospun nanofiber blends with antibiotics and polyvinyl alcohol for burn wound healing. J Appl Polym Sci 2022. [DOI: 10.1002/app.51930] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Aparna Yerra
- Department of Biosciences and Sericulture Sri Padmavati Mahila Visvavidyalayam (Women's University) Tirupati India
| | - Mary Mamatha Dadala
- Department of Biosciences and Sericulture Sri Padmavati Mahila Visvavidyalayam (Women's University) Tirupati India
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14
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Rao SS, Athmika, Rekha PD. Biopolymers in Cosmetics, Pharmaceutical, and Biomedical Applications. Biopolymers 2022. [DOI: 10.1007/978-3-030-98392-5_11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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15
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Križman K, Novak S, Kristl J, Majdič G, Drnovšek N. Long-acting silk fibroin xerogel delivery systems for controlled release of estradiol. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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16
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Naskar D, Sapru S, Ghosh AK, Reis RL, Dey T, Kundu SC. Nonmulberry silk proteins: multipurpose ingredient in bio-functional assembly. Biomed Mater 2021; 16. [PMID: 34428758 DOI: 10.1088/1748-605x/ac20a0] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 08/24/2021] [Indexed: 01/27/2023]
Abstract
The emerging field of tissue engineering and regenerative medicines utilising artificial polymers is facing many problems. Despite having mechanical stability, non-toxicity and biodegradability, most of them lack cytocompatibility and biocompatibility. Natural polymers (such as collagen, hyaluronic acid, fibrin, fibroin, and others), including blends, are introduced to the field to solve some of the relevant issues. Another natural biopolymer: silkworm silk gained special attention primarily due to its specific biophysical, biochemical, and material properties, worldwide availability, and cost-effectiveness. Silk proteins, namely fibroin and sericin extracted from domesticated mulberry silkwormBombyx mori, are studied extensively in the last few decades for tissue engineering. Wild nonmulberry silkworm species, originated from India and other parts of the world, also produce silk proteins with variations in their nature and properties. Among the nonmulberry silkworm species,Antheraea mylitta(Indian Tropical Tasar),A. assamensis/A. assama(Indian Muga), andSamia ricini/Philosamia ricini(Indian Eri), along withA. pernyi(Chinese temperate Oak Tasar/Tussah) andA. yamamai(Japanese Oak Tasar) exhibit inherent tripeptide motifs of arginyl glycyl aspartic acid in their fibroin amino acid sequences, which support their candidacy as the potential biomaterials. Similarly, sericin isolated from such wild species delivers unique properties and is used as anti-apoptotic and growth-inducing factors in regenerative medicines. Other characteristics such as biodegradability, biocompatibility, and non-inflammatory nature make it suitable for tissue engineering and regenerative medicine based applications. A diverse range of matrices, including but not limited to nano-micro scale structures, nanofibres, thin films, hydrogels, and porous scaffolds, are prepared from the silk proteins (fibroins and sericins) for biomedical and tissue engineering research. This review aims to represent the progress made in medical and non-medical applications in the last couple of years and depict the present status of the investigations on Indian nonmulberry silk-based matrices as a particular reference due to its remarkable potentiality of regeneration of different types of tissues. It also discusses the future perspective in tissue engineering and regenerative medicines in the context of developing cutting-edge techniques such as 3D printing/bioprinting, microfluidics, organ-on-a-chip, and other electronics, optical and thermal property-based applications.
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Affiliation(s)
- Deboki Naskar
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.,Present address: Cambridge Institute for Medical Research, School of Clinical Medicine, University of Cambridge, Hills Road, Cambridge CB2 0XY, United Kingdom
| | - Sunaina Sapru
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.,Present address: Robert H. Smith Faculty of Agriculture, Food and Environment, The Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, IL, Israel
| | - Ananta K Ghosh
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, West Bengal 721302, India
| | - Rui L Reis
- 3Bs 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-4805-017 Barco, Guimaraes, Portugal
| | - Tuli Dey
- Institute of Bioinformatics and Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra 411007, India
| | - Subhas C Kundu
- Department of Biotechnology, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.,3Bs 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-4805-017 Barco, Guimaraes, Portugal
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Abstract
Silk fibroin has been explored as a suitable biomaterial due to its biocompatibility, tunable degradability, low toxicity, and mechanical properties. To harness silk fibroin's innate properties, it is purified from native silkworm cocoons by removing proteins and debris that have the potential to cause inflammatory responses. Typically, within the purification and fabrication steps, chemical solvents, energy-intensive equipment, and large quantities of water are used to reverse engineer silk fibroin into an aqueous solution and then process into the final material format. Gentler, green methods for extraction and fabrication have been developed that reduce or remove the need for harmful chemical additives and energy-inefficient equipment while still producing mechanically robust biomaterials. This review will focus on the alternative green processing and fabrication methods that have proven useful in creating silk fibroin materials for a range of applications including consumer and medical materials.
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Affiliation(s)
- Megan K DeBari
- Materials Science and Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Claude I King
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Tahlia A Altgold
- Materials Science and Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States.,Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Rosalyn D Abbott
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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18
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Zhao Y, Zhu ZS, Guan J, Wu SJ. Processing, mechanical properties and bio-applications of silk fibroin-based high-strength hydrogels. Acta Biomater 2021; 125:57-71. [PMID: 33601067 DOI: 10.1016/j.actbio.2021.02.018] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 12/13/2022]
Abstract
Hydrogels are an attractive class of materials that possess similar structural and functional characteristics to wet biological tissues and demonstrate a diversity of applications in biomedical engineering. Silk fibroin (SF) is a unique natural polymer due to its fibrous protein nature, versatile formats, biocompatibility, tunable biodegradation and is thus a good hydrogel candidate for bio-applications. Compared to synthetic polymer hydrogels, poor mechanical performance is still a fatal drawback that hinders the application of SF hydrogels as structural materials. Researchers have attempted to develop strategies to construct silk fibroin-based high-strength hydrogels (SF-HSHs). Herein, we firstly provide an overview of the approaches of processing SF-HSHs with a focus on the physical/non-covalent crosslinking mechanisms. The examples of SF-HSHs are discussed in detail under four categories, including physical-crosslinked, dual-crosslinked, double network and composite hydrogels respectively. A brief section follows to elucidate on the gelation mechanisms of SF-HSHs before a description of the utility of SF-HSHs in biomedicine and devices is presented. Finally, the potential challenges and future development of SF-HSHs are briefly discussed. This review aims to enhance our understanding of the structure-mechanical property-function relationships of soft materials made from natural polymers and guide future research of silk fibroin-based hydrogels for biomedical applications. STATEMENT OF SIGNIFICANCE: Silk fibroin (SF) extracted from silk fibres is increasingly applied in the biomedical field, and SF hydrogel has been an emerging area for frontier bio-research. Since SF biopolymer has an intrinsic tendency to form regular β-sheet stacks, it can be processed into purely physically crosslinked hydrogels, thus avoiding the use of chemical crosslinkers. Nevertheless, akin to other natural polymers, lab-produced SF is variable (i.e. the molecular weight and distribution), and the gelation of SF hydrogel is challenging to control. In addition, hydrogels made from SF are usually weak and brittle, which hinders the wide use of this biofriendly and biodegradable hydrogel. Recently, there is a pressing need for high strength hydrogels from natural polymers for biomedical applications, and SF is proposed as a strong candidate. Therefore, we have studied the literature in the past 10 years and would like to focus on the gelation mechanism and mechanical strength of SF hydrogels for the review.
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Grabska-Zielińska S, Sionkowska A. How to Improve Physico-Chemical Properties of Silk Fibroin Materials for Biomedical Applications?-Blending and Cross-Linking of Silk Fibroin-A Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1510. [PMID: 33808809 PMCID: PMC8003607 DOI: 10.3390/ma14061510] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/09/2021] [Accepted: 03/17/2021] [Indexed: 12/12/2022]
Abstract
This review supplies a report on fresh advances in the field of silk fibroin (SF) biopolymer and its blends with biopolymers as new biomaterials. The review also includes a subsection about silk fibroin mixtures with synthetic polymers. Silk fibroin is commonly used to receive biomaterials. However, the materials based on pure polymer present low mechanical parameters, and high enzymatic degradation rate. These properties can be problematic for tissue engineering applications. An increased interest in two- and three-component mixtures and chemically cross-linked materials has been observed due to their improved physico-chemical properties. These materials can be attractive and desirable for both academic, and, industrial attention because they expose improvements in properties required in the biomedical field. The structure, forms, methods of preparation, and some physico-chemical properties of silk fibroin are discussed in this review. Detailed examples are also given from scientific reports and practical experiments. The most common biopolymers: collagen (Coll), chitosan (CTS), alginate (AL), and hyaluronic acid (HA) are discussed as components of silk fibroin-based mixtures. Examples of binary and ternary mixtures, composites with the addition of magnetic particles, hydroxyapatite or titanium dioxide are also included and given. Additionally, the advantages and disadvantages of chemical, physical, and enzymatic cross-linking were demonstrated.
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Affiliation(s)
- Sylwia Grabska-Zielińska
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland
| | - Alina Sionkowska
- Department of Chemistry of Biomaterials and Cosmetics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland;
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20
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Injectable cuttlefish HAP and macromolecular fibroin protein hydrogel for natural bone mimicking matrix for enhancement of osteoinduction progression. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104841] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Guo X, Lin N, Lu S, Zhang F, Zuo B. Preparation and Biocompatibility Characterization of Silk Fibroin 3D Scaffolds. ACS APPLIED BIO MATERIALS 2021; 4:1369-1380. [PMID: 35014488 DOI: 10.1021/acsabm.0c01239] [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: 01/04/2023]
Abstract
In this paper, three different mass fractions of sodium carbonate were used for degumming to obtain different degrees of damaged silk fibroin fibers, which were then treated with formic acid to shrink and bond them into 3D scaffolds. The structure and performance of silk fibroin fibers and silk fibroin 3D scaffolds were characterized by scanning electron microscopy, infrared spectroscopy, X-ray diffraction, a differential thermal scanner, a universal materials testing machine, and laser confocal microscopy, and the degradation performance was tested by protease degradation. The results showed that an excessive mass fraction of sodium carbonate would cause partial hydrolysis of fibroin fibers, decrease the mechanical properties of fibroin fiber, increase the surface roughness of fibroin fibers, and make mouse embryonic fibroblasts easier to adhere and grow. Silk fibroin fibers were slightly dissolved, shrunk, and dispersed in formic acid. The mass fraction of sodium carbonate can adjust the enzymatic degradation rate of the silk fibroin 3D scaffolds. With the extension of the degradation time, minerals will be deposited on the surface of the scaffolds. The results show that the silk fibroin 3D scaffolds have biocompatibility, mechanical properties, and degradability, which provides a good material for a barrier biofilm in the future.
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Ojah N, Borah R, Ahmed GA, Mandal M, Choudhury AJ. Surface modification of electrospun silk/AMOX/PVA nanofibers by dielectric barrier discharge plasma: physiochemical properties, drug delivery and in-vitro biocompatibility. Prog Biomater 2020; 9:219-237. [PMID: 33206319 PMCID: PMC7718379 DOI: 10.1007/s40204-020-00144-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 10/27/2020] [Indexed: 12/22/2022] Open
Abstract
The naturally obtained protein Bombyxmori silk is a biocompatible polymer with excellent mechanical properties and have the potential in controlled drug delivery applications. In this work, we have demonstrated dielectric barrier discharge (DBD) oxygen (O2) plasma surface modified electrospun Bombyxmori silk/Amoxicillin hydrochloride trihydrate (AMOX)/polyvinyl alcohol (PVA) nanofibers for drug release applications with controlled plasma treatment duration (1-10 min). The findings indicate that plasma treated electrospun nanofibers for 1-3 min exhibited significant enhancement in tensile strength, Young's modulus, wettability and surface energy. The plasma treated electrospun nanofibers for 1-5 min showed remarkable increase in AMOX released rate, whereas the electrospun nanofibers treated with plasma irradiation beyond 5 min showed only marginal increase. Moreover, the plasma treated nanofibers also exhibited good antibacterial activity against both E. coli (gram negative) and S. aureus (gram positive) bacteria. The untreated and the plasma treated silk/AMOX/PVA electrospun nanofibers for 1-3 min showed enhanced viability of primary adipose derived mesenchymal stem cells (ADMSCs) growth on them and much less hemolysis activity (< 5%). The in vitro biocompatibility of various electrospun nanofibers were further corroborated by live/dead imaging and cytoskeletal architecture assessment demonstrating enhanced cell adhesion and spreading on the plasma treated nanofibers for 1-3 min. The findings of the present study suggest that the silk/AMOX/PVA electrospun nanofibers with plasma treatment (1-3 min) due to their enhanced drug release ability and biocompatibility can be used as potential wound dressing applications.
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Affiliation(s)
- Namita Ojah
- Laboratory for Plasma Processing of Materials, Department of Physics, Tezpur University, Tezpur, Assam, 784028, India
| | - Rajiv Borah
- Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, Assam, 781035, India
| | - Gazi Ameen Ahmed
- Laboratory for Plasma Processing of Materials, Department of Physics, Tezpur University, Tezpur, Assam, 784028, India
| | - Manabendra Mandal
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur, Assam, 784028, India
| | - Arup Jyoti Choudhury
- Laboratory for Plasma Processing of Materials, Department of Physics, Tezpur University, Tezpur, Assam, 784028, India.
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23
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Ma Y, Canup BSB, Tong X, Dai F, Xiao B. Multi-Responsive Silk Fibroin-Based Nanoparticles for Drug Delivery. Front Chem 2020; 8:585077. [PMID: 33240846 PMCID: PMC7670059 DOI: 10.3389/fchem.2020.585077] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 10/05/2020] [Indexed: 12/14/2022] Open
Abstract
Silk fibroin has the merits of biocompatibility, biodegradability, ease of processing, and feasibility of modification, which present it as a promising drug delivery material. This review focuses on the structures of silk fibroin, the controlled transformation of secondary structures, and the formation mechanism of silk fibroin-based nanoparticles (SFNPs). We also discuss the intrinsic multi-responsive, surface functionalization, and transgenic modification of SFNPs for drug delivery.
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Affiliation(s)
- Ya Ma
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Materials and Energy, Southwest University, Chongqing, China
| | - Brandon S. B. Canup
- Department of Chemistry, Georgia State University, Atlanta, GA, United States
| | - Xiaoling Tong
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Fangyin Dai
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
| | - Bo Xiao
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China
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24
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Abstract
Silk is a natural polymer sourced mainly from spiders and silkworms. Due to its biocompatibility, biodegradability, and mechanical properties, it has been heavily investigated for biomedical applications. It can be processed into a number of formats, such as scaffolds, films, and nanoparticles. Common methods of production create constructs with limited complexity. 3D printing allows silk to be printed into more intricate designs, increasing its potential applications. Extrusion and inkjet printing are the primary ways silk has been 3D printed, though other methods are beginning to be investigated. Silk has been integrated into bioink with other polymers, both natural and synthetic. The addition of silk is primarily done to offer more desirable viscosity characteristics and mechanical properties for printing. Silk-based bioinks have been used to fabricate medical devices and tissues. This article discusses recent research and printing parameters important for 3D printing with silk.
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Affiliation(s)
- Megan K DeBari
- Material Science and Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Mia N Keyser
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Michelle A Bai
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Rosalyn D Abbott
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
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25
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Chouhan D, Mandal BB. Silk biomaterials in wound healing and skin regeneration therapeutics: From bench to bedside. Acta Biomater 2020; 103:24-51. [PMID: 31805409 DOI: 10.1016/j.actbio.2019.11.050] [Citation(s) in RCA: 151] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 02/08/2023]
Abstract
Silk biomaterials are known for biomedical and tissue engineering applications including drug delivery and implantable devices owing to their biocompatible and a wide range of ideal physico-chemical properties. Herein, we present a critical overview of the progress of silk-based matrices in skin regeneration therapeutics with an emphasis on recent innovations and scientific findings. Beginning with a brief description of numerous varieties of silks, the review summarizes our current understanding of the biological properties of silk that help in the wound healing process. Various silk varieties such as silkworm silk fibroin, silk sericin, native spider silk and recombinant silk materials have been explored for cutaneous wound healing applications from the past few decades. With an aim to harness the regenerative properties of silk, numerous strategies have been applied to develop functional bioactive wound dressings and viable bio-artificial skin grafts in recent times. The review examines multiple inherent properties of silk that aid in the critical events of the healing process such as cell migration, cell proliferation, angiogenesis, and re-epithelialization. A detailed insight into the progress of silk-based cellular skin grafts is also provided that discusses various co-culture strategies and development of bilayer and tri-layer human skin equivalent under in vitro conditions. In addition, functionalized silk matrices loaded with bioactive molecules and antibacterial compounds are discussed, which have shown great potential in treating hard-to-heal wounds. Finally, clinical studies performed using silk-based translational products are reviewed that validate their regenerative properties and future applications in this area. STATEMENT OF SIGNIFICANCE: The review article discusses the recent advances in silk-based technologies for wound healing applications, covering various types of silk biomaterials and their properties suitable for wound repair and regeneration. The article demonstrates the progress of silk-based matrices with an update on the patented technologies and clinical advancements over the years. The rationale behind this review is to highlight numerous properties of silk biomaterials that aid in all the critical events of the wound healing process towards skin regeneration. Functionalization strategies to fabricate silk dressings containing bioactive molecules and antimicrobial compounds for drug delivery to the wound bed are discussed. In addition, a separate section describes the approaches taken to generate living human skin equivalent that have recently contributed in the field of skin tissue engineering.
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26
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Suzuki S, Shadforth AM, McLenachan S, Zhang D, Chen SC, Walshe J, Lidgerwood GE, Pébay A, Chirila TV, Chen FK, Harkin DG. Optimization of silk fibroin membranes for retinal implantation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110131. [DOI: 10.1016/j.msec.2019.110131] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/02/2019] [Accepted: 08/23/2019] [Indexed: 12/14/2022]
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27
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Kundu B, Brancato V, Oliveira JM, Correlo VM, Reis RL, Kundu SC. Silk fibroin promotes mineralization of gellan gum hydrogels. Int J Biol Macromol 2019; 153:1328-1334. [PMID: 31730995 DOI: 10.1016/j.ijbiomac.2019.10.269] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022]
Abstract
Mineralization is a natural process leading to the formation of mineralized tissue such as bone. The chief mineral component of bone is hydroxyapatite (HAp), which is deposited using an organic template like fibrillar Collagen I under physiological condition. Fibrous silk fibroin is structurally homologous to collagen and acts as nucleation site for HAp mineralization when immersed in simulated body fluid (SBF) or fetal bovine serum (FBS), therefore, considered as popular bone regeneration biomaterial. Hence, the mineralization behavior of silk fibroin self-assembled gellan gum enriched 3D hydrogels is investigated under conditions closer to physiological ones using SBF as well as FBS, and also in presence of cells (e.g. human adipose tissue-derived stem cells, ASCs). Incorporation of silk fibroin induces the mineralization in acellular spongy-like hydrogels in composition dependent manner, confirmed by SEM-EDS analysis. In contrast, ASCs mediated mineralization is found in all hydrogel compositions of 3 weeks post-culture under osteogenic conditions as demonstrated by gene expression profile and Alizarin Red S staining. This is perhaps due to the co-existence of fibroin and FBS together induce cell-mediated mineralization. The blending of fibroin offers cheap alternative strategy to improve or guide the repair of mineralized tissue using gellan gum-based biomaterials.
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Affiliation(s)
- Banani 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
| | - Virginia Brancato
- 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - J M Oliveira
- 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - Vitor M Correlo
- 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal; The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal
| | - S 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, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
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28
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Zhou H, Wang Z, Cao H, Hu H, Luo Z, Yang X, Cui M, Zhou L. Genipin-crosslinked polyvinyl alcohol/silk fibroin/nano-hydroxyapatite hydrogel for fabrication of artificial cornea scaffolds-a novel approach to corneal tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:1604-1619. [PMID: 31438806 DOI: 10.1080/09205063.2019.1652418] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Design of artificial corneal scaffolds substitute is crucial for replacement of impaired cornea. In this paper, porous polyvinyl alcohol/silk fibroin/nano-hydroxyapatite (PVA/SF/n-HA) composite hydrogel was prepared via the genipin (GP) cross-linking, the pore diameter of the hydrogel ranged from 8.138 nm and 90.269 nm, and the physical and physiological function of hydrogel were investigated. The resulting hydrogel exhibited favourable physical properties. With the GP content increasing, the structural regularity of PVA/SF/n-HA composite hydrogel was enhanced and the thermal stability was improved. The moisture content was slightly decreased and generally maintained at approximately 70%. The tensile strength was heightened up to 0.64 MPa, while the breaking elongation was decreased slightly. Moreover, the biofunction was investigated. The in vitro degradation test demonstrated that with the addition of GP, the stability of the composite hydrogels in protease XIV solution was promoted and the three-dimensional porosity structure of composite hydrogels was maintained as ever. And the human corneal fibroblasts (HCFs) were employed to examine the cells cytotoxicity of the PVA/SF/n-HA composite hydrogels with different GP content by CCK-8 assay. Based on confocal laser scanning microscope (CLSM) and scanning electron microscope (SEM), HCFs had individually commendable adhesion and proliferation on PVA/n-HA/SF composite hydrogel. HCFs proliferated and grew into the pores of composite hydrogel. The results of biocompatibility experiments of composite hydrogel suggested that it was no acute toxicity, in vitro cytotoxicity was 0 or 1 grade. Overall, results from this paper, PVA/n-HA/SF composite hydrogel was a qualified medical material which conformed to the national standard, could be a promising alternative for artificial cornea scaffold material-a novel approach to corneal tissue engineering.
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Affiliation(s)
- Haohao Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Zegong Wang
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Huiqun Cao
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Huiyuan Hu
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Zhongkuan Luo
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Xinlin Yang
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Mengmeng Cui
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
| | - Li Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University , Shenzhen , China
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Abd Ellah NH, Abd El‐Aziz FEA, Abouelmagd SA, Abd El‐Hamid BN, Hetta HF. Spidroin in carbopol‐based gel promotes wound healing in earthworm's skin model. Drug Dev Res 2019; 80:1051-1061. [DOI: 10.1002/ddr.21583] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 07/21/2019] [Accepted: 07/25/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Noura H. Abd Ellah
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, Medical Sciences BuildingUniversity of Cincinnati Cincinnati Ohio USA
- Department of Pharmaceutics, Faculty of PharmacyAssiut University Assiut Egypt
| | | | - Sara A. Abouelmagd
- Department of Pharmaceutics, Faculty of PharmacyAssiut University Assiut Egypt
| | | | - Helal F. Hetta
- Department of Internal MedicineUniversity of Cincinnati College of Medicine Cincinnati Ohio USA
- Department of Medical Microbiology and Immunology, Faculty of MedicineAssiut University Assiut Egypt
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Jo YY, Kim DW, Choi JY, Kim SG. 4-Hexylresorcinol and silk sericin increase the expression of vascular endothelial growth factor via different pathways. Sci Rep 2019; 9:3448. [PMID: 30837602 PMCID: PMC6400942 DOI: 10.1038/s41598-019-40027-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 02/07/2019] [Indexed: 12/17/2022] Open
Abstract
Angiogenesis plays an important role in active inflammation and wound healing. Our results showed that silk sericin and 4-hexylresorcinol (4HR) increased vascular endothelial growth factor (VEGF) expression in a dose-dependent manner in RAW264.7 cells. Unlike 4HR, silk sericin increased the expression of hypoxia inducible factor-1α (HIF-1α) and HIF-2α. Pretreatment with an HIF inhibitor decreased the sericin-induced increase in VEGF expression. However, the HIF inhibitor did not affect the 4HR-induced increase in VEGF expression. An inhibitor of matrix metalloproteinase (MMP) declined the 4HR-induced increase in VEGF expression. Silk sericin increased production of reactive oxygen species (ROS), whereas 4HR decreased ROS. M1 markers were increased by silk sericin treatment, and M2 markers were increased by 4HR treatment. VEGF and angiogenin expression were higher in rats treated with a 4HR-incorporated silk mat than in rats treated with a silk mat alone. In conclusion, silk sericin and 4HR increased VEGF expression in RAW264.7 cells via HIF-mediated and MMP-mediated pathways, respectively. Silk sericin exerted like pro-oxidant effects and 4HR exerted anti-oxidant effects. Rats treated with a 4HR-incorporated silk mat showed higher levels of VEGF and angiogenin than those treated with a silk mat alone.
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Affiliation(s)
- You-Young Jo
- Sericultural and Apicultural Division, National Institute of Agricultural Science, RDA, Wanju, 55365, Republic of Korea
| | - Dae-Won Kim
- Department of Oral Biochemistry, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea
| | - Je-Yong Choi
- School of Biochemistry and Cell Biology, BK21 Plus KNU Biomedical Convergence Program, Skeletal Diseases Analysis Center, Korea Mouse Phenotyping Center (KMPC), Kyungpook National University, Daegu, 41944, Republic of Korea
| | - Seong-Gon Kim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, Gangneung-Wonju National University, Gangneung, 28644, Republic of Korea.
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Silva SS, Kundu B, Lu S, Reis RL, Kundu SC. Chinese Oak Tasar SilkwormAntheraea pernyiSilk Proteins: Current Strategies and Future Perspectives for Biomedical Applications. Macromol Biosci 2018; 19:e1800252. [DOI: 10.1002/mabi.201800252] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/22/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Simone S. Silva
- 3B's Research GroupI3Bs—Research Institute on BiomaterialsBiodegradables and BiomimeticsUniversity of MinhoHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's—PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Banani Kundu
- 3B's Research GroupI3Bs—Research Institute on BiomaterialsBiodegradables and BiomimeticsUniversity of MinhoHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's—PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Shenzhou Lu
- National Engineering Laboratory for Modern SilkCollege of Textile and Clothing EngineeringSoochow University Suzhou 215123 China
| | - Rui L. Reis
- 3B's Research GroupI3Bs—Research Institute on BiomaterialsBiodegradables and BiomimeticsUniversity of MinhoHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's—PT Government Associate Laboratory Braga/Guimarães Portugal
- The Discoveries Centre for Regenerative and Precision MedicineHeadquarters at University of Minho Avepark, 4805‐017 Barco Guimarães Portugal
| | - Subhas C. Kundu
- 3B's Research GroupI3Bs—Research Institute on BiomaterialsBiodegradables and BiomimeticsUniversity of MinhoHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's—PT Government Associate Laboratory Braga/Guimarães Portugal
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Rödel M, Baumann K, Groll J, Gbureck U. Simultaneous structuring and mineralization of silk fibroin scaffolds. J Tissue Eng 2018; 9:2041731418788509. [PMID: 30046433 PMCID: PMC6056790 DOI: 10.1177/2041731418788509] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 06/21/2018] [Indexed: 11/22/2022] Open
Abstract
Silk fibroin is commonly used as scaffold material for tissue engineering
applications. In combination with a mineralization with different calcium
phosphate phases, it can also be applied as material for bone regeneration.
Here, we present a study which was performed to produce mineralized silk fibroin
scaffolds with controlled macroporosity. In contrast to former studies, our
approach focused on a simultaneous gelation and mineralization of silk fibroin
by immersion of frozen silk fibroin monoliths in acidic calcium phosphate
solutions. This was achieved by thawing frozen silk fibroin monoliths in acidic
calcium phosphate solution, leading to the precipitation of monocalcium
phosphate within the silk fibroin matrix. In the second approach, a conversion
of incorporated β-tricalcium phosphate particles into brushite was successfully
achieved. Furthermore, a controlled cryostructuring process of silk fibroin
scaffolds was carried out leading to the formation of parallel-oriented pores
with diameters of 30–50 µm.
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Affiliation(s)
- Michaela Rödel
- Department for Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute (BPI), Julius-Maximilians-University of Würzburg, Würzburg, Germany
| | - Katrin Baumann
- Department for Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute (BPI), Julius-Maximilians-University of Würzburg, Würzburg, Germany
| | - Jürgen Groll
- Department for Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute (BPI), Julius-Maximilians-University of Würzburg, Würzburg, Germany
| | - Uwe Gbureck
- Department for Functional Materials in Medicine and Dentistry and Bavarian Polymer Institute (BPI), Julius-Maximilians-University of Würzburg, Würzburg, Germany
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Cheng G, Davoudi Z, Xing X, Yu X, Cheng X, Li Z, Deng H, Wang Q. Advanced Silk Fibroin Biomaterials for Cartilage Regeneration. ACS Biomater Sci Eng 2018; 4:2704-2715. [DOI: 10.1021/acsbiomaterials.8b00150] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Gu Cheng
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), and Key Laboratory of Oral Biomedicine, Ministry of Education, Wuhan University, Wuhan 430079, China
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Zahra Davoudi
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50014, United States
| | - Xin Xing
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), and Key Laboratory of Oral Biomedicine, Ministry of Education, Wuhan University, Wuhan 430079, China
| | - Xin Yu
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), and Key Laboratory of Oral Biomedicine, Ministry of Education, Wuhan University, Wuhan 430079, China
| | - Xin Cheng
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), and Key Laboratory of Oral Biomedicine, Ministry of Education, Wuhan University, Wuhan 430079, China
| | - Zubing Li
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST), and Key Laboratory of Oral Biomedicine, Ministry of Education, Wuhan University, Wuhan 430079, China
| | - Hongbing Deng
- Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
| | - Qun Wang
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50014, United States
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Nan X, Huang Y, Shao J, Yan H, Wu M, Yao Y. Co-initiating function of silk peptide in free radical photopolymerization. POLYM ENG SCI 2018. [DOI: 10.1002/pen.24833] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xuying Nan
- School of Chemistry and Chemical Engineering; Hainan Normal University; Haikou 571158 People's Republic of China
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education; Zhejiang Sci-Tech University; Hangzhou 310018 China
| | - Yi Huang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education; Zhejiang Sci-Tech University; Hangzhou 310018 China
| | - Jianzhong Shao
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Ministry of Education; Zhejiang Sci-Tech University; Hangzhou 310018 China
| | - Huiqiong Yan
- School of Chemistry and Chemical Engineering; Hainan Normal University; Haikou 571158 People's Republic of China
| | - Mingshu Wu
- School of Chemistry and Chemical Engineering; Hainan Normal University; Haikou 571158 People's Republic of China
| | - Yuhua Yao
- School of Mathematics and Statistics; Hainan Normal University; Haikou 571158 People's Republic of China
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Burn injury: Challenges and advances in burn wound healing, infection, pain and scarring. Adv Drug Deliv Rev 2018; 123:3-17. [PMID: 28941987 DOI: 10.1016/j.addr.2017.09.018] [Citation(s) in RCA: 291] [Impact Index Per Article: 48.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/15/2017] [Accepted: 09/18/2017] [Indexed: 12/18/2022]
Abstract
Severe burn injuries are the most traumatic and physically debilitating injuries affecting nearly every organ system and leading to significant morbidity and mortality. Early burn wound excision and skin grafting are common clinical practices that have significantly improved the outcomes for severe burn injured patients by reducing mortality rate and days of hospital stay. However, slow wound healing, infection, pain, and hypertrophic scarring continue to remain a major challenge in burn research and management. In the present article, we review and discuss issues in the current treatment of burn injuries; the advances and novel strategies developed in the past decade that have improved burn management; and also, pioneer ideas and studies in burn research which aims to enhance burn wound care with a focus on burn wound infection, pain management, treatments for scarring and skin tissue engineering.
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Injectable silk fibroin hydrogels functionalized with microspheres as adult stem cells-carrier systems. Int J Biol Macromol 2017; 108:960-971. [PMID: 29113887 DOI: 10.1016/j.ijbiomac.2017.11.013] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 11/02/2017] [Accepted: 11/03/2017] [Indexed: 12/30/2022]
Abstract
Hydrogels are good candidate materials for cell delivery scaffolds because they can mimic the physical, chemical, electrical and biological properties of most of the native tissues. In this study, composite biosynthetic hydrogels were produced by combining the bio-functionality of silk fibroin (SF) with the structural versatility of polyethylene-glycol-diacrylated (PEGDa). The formation of a photopolymerizable PEGDa-SF hydrogel (PSFHy) was optimized for 3D-cell culture. Functionalization of the 3D-PSFHy with protein microspheres (MS) was required to increase the porosity and cell-adhesive properties of the material. Cardiac mesenchymal stem cells, which were cultured within the MS-embedding PSFHy, exhibited good viability and expression of proteins that are characteristic of the initial phases of the cardiac muscle differentiation process. Further, the addition of chondroitin sulfate into the scaffolds improved the cell viability. A cell-preconditioning of the scaffold was also performed, suggesting a potential application of these sponge-like scaffolds for analysing the effects of several extracellular microenvironments, produced by different kinds of cells, on the stem cells fate. The results presented herein highlight on the possibility to use the PSFHys functionalized with MS as stem cell-carrier systems with sponge-like properties, potential ultrasound-imaging contrast agents and controlled biochemical factor delivery.
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Deproteinised natural rubber latex grafted poly(dimethylaminoethyl methacrylate) - poly(vinyl alcohol) blend membranes: Synthesis, properties and application. Int J Biol Macromol 2017; 107:1821-1834. [PMID: 29032213 DOI: 10.1016/j.ijbiomac.2017.10.042] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 10/06/2017] [Accepted: 10/09/2017] [Indexed: 01/20/2023]
Abstract
Natural rubber latex was initially deproteinised (DNRL) and then subjected to physicochemical modifications to make high functional membranes for drug delivery applications. Initially, DNRL was prepared by incubating with urea, sodiumdodecylsulphate and acetone followed by centrifugation. The deproteinisation was confirmed by CHN analysis. The DNRL was then chemically modified by grafting (dimethylaminoethyl methacrylate) onto NR particles by using a redox initiator system viz; cumene hydroperoxide/tetraethylenepentamine, followed by dialysis for purification. The grafting was confirmed by dynamic light scattering, Fourier transform infrared spectroscopy and nuclear magnetic resonance spectroscopy. The grafted system was blended with a hydrophilic adhesive polymer PVA and casted into membranes. The membranes after blending showed enhanced mechanical properties with a threshold concentration of PVA. The moisture uptake, swelling and water contact angle experiments indicated an increased hydrophilicity with an increased PVA content in the blend membranes. The grafted DNRL possessed significant antibacterial property which has been found to be retained in the blended form. A notable decrease in cytotoxicity was observed for the modified DNRL membranes than the bare DNRL membranes. The in-vitro drug release studies using rhodamine B as a model drug, confirmed the utility of the prepared membranes to function as a drug delivery matrix.
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38
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Biocompatible Silk/Polymer Energy Harvesters Using Stretched Poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) Nanofibers. Polymers (Basel) 2017; 9:polym9100479. [PMID: 30965782 PMCID: PMC6418575 DOI: 10.3390/polym9100479] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 09/25/2017] [Accepted: 09/28/2017] [Indexed: 11/17/2022] Open
Abstract
Energy harvested from human body movement can produce continuous, stable energy to portable electronics and implanted medical devices. The energy harvesters need to be light, small, inexpensive, and highly portable. Here we report a novel biocompatible device made of poly (vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) nanofibers on flexible substrates. The nanofibers are prepared with electrospinning followed by a stretching process. This results in aligned nanofibers with diameter control. The assembled device demonstrates high mechanical-to-electrical conversion performance, with stretched PVDF-HFP nanofibers outperforming regular electrospun samples by more than 10 times. Fourier transform infrared spectroscopy (FTIR) reveals that the stretched nanofibers have a higher β phase content, which is the critical polymorph that enables piezoelectricity in polyvinylidene fluoride (PVDF). Polydimethylsiloxane (PDMS) is initially selected as the substrate material for its low cost, high flexibility, and rapid prototyping capability. Bombyx Mori silkworm silk fibroin (SF) and its composites are investigated as promising alternatives due to their high strength, toughness, and biocompatibility. A composite of silk with 20% glycerol demonstrates higher strength and larger ultimate strain than PDMS. With the integration of stretched electrospun PVDF-HFP nanofibers and flexible substrates, this pilot study shows a new pathway for the fabrication of biocompatible, skin-mountable energy devices.
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Behera S, Naskar D, Sapru S, Bhattacharjee P, Dey T, Ghosh AK, Mandal M, Kundu SC. Hydroxyapatite reinforced inherent RGD containing silk fibroin composite scaffolds: Promising platform for bone tissue engineering. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:1745-1759. [DOI: 10.1016/j.nano.2017.02.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 02/01/2017] [Accepted: 02/24/2017] [Indexed: 11/28/2022]
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Abstract
Tissue engineering aims to repair the damaged tissue by transplantation of cells or introducing bioactive factors in a biocompatible scaffold. In recent years, biodegradable polymer scaffolds mimicking the extracellular matrix have been developed to promote the cell proliferation and extracellular matrix deposition. The biodegradable polymer scaffolds thus act as templates for tissue repair and regeneration. This article reviews the updated information regarding various types of natural and synthetic biodegradable polymers as well as their functions, physico-chemical properties, and degradation mechanisms in the development of biodegradable scaffolds for tissue engineering applications, including their combination with 3D printing.
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Affiliation(s)
- Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, ROC.
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41
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Kundu B, Eltohamy M, Yadavalli VK, Kundu SC, Kim HW. Biomimetic Designing of Functional Silk Nanotopography Using Self-assembly. ACS APPLIED MATERIALS & INTERFACES 2016; 8:28458-28467. [PMID: 27686123 DOI: 10.1021/acsami.6b07872] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In nature inorganic-organic building units create multifunctional hierarchical architectures. Organic silk protein is particularly attractive in this respect because of its micro-nanoscale structural blocks that are attributed to sophisticated hierarchical assembly imparting flexibility and compressibility to designed biohybrid materials. In the present study, aqueous silk fibroin is assembled to form nano/microtopography on inorganic silica surface via a facile diffusion-limited aggregation process. This process is driven by electrostatic interaction and only possible at a specified aminated surface chemistry. The self-assembled topography depends on the age and concentration of protein solution as well as on the surface charge distribution of the template. The self-assembled silk trails closely resemble natural cypress leaf architecture, which is considered a structural analogue of neuronal cortex. This assembled surface significantly enhances anchorage of neuronal cell and cytoskeletal extensions, providing an effective nano/microtopographical cue for cellular recognition and guidance.
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Affiliation(s)
| | - Mohamed Eltohamy
- Glass Research Department, National Research Centre , Dokki, Cairo, Egypt
| | - Vamsi K Yadavalli
- Department of Chemical and Life Science Engineering, Virginia Commonwealth University , Richmond, Virginia 23284, United States
| | - Subhas C Kundu
- Department of Biotechnology, Indian Institute of Technology Kharagpur , Kharagpur, West Bengal 721302, India
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42
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Jao D, Mou X, Hu X. Tissue Regeneration: A Silk Road. J Funct Biomater 2016; 7:E22. [PMID: 27527229 PMCID: PMC5040995 DOI: 10.3390/jfb7030022] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 07/28/2016] [Accepted: 07/29/2016] [Indexed: 02/06/2023] Open
Abstract
Silk proteins are natural biopolymers that have extensive structural possibilities for chemical and mechanical modifications to facilitate novel properties, functions, and applications in the biomedical field. The versatile processability of silk fibroins (SF) into different forms such as gels, films, foams, membranes, scaffolds, and nanofibers makes it appealing in a variety of applications that require mechanically superior, biocompatible, biodegradable, and functionalizable biomaterials. There is no doubt that nature is the world's best biological engineer, with simple, exquisite but powerful designs that have inspired novel technologies. By understanding the surface interaction of silk materials with living cells, unique characteristics can be implemented through structural modifications, such as controllable wettability, high-strength adhesiveness, and reflectivity properties, suggesting its potential suitability for surgical, optical, and other biomedical applications. All of the interesting features of SF, such as tunable biodegradation, anti-bacterial properties, and mechanical properties combined with potential self-healing modifications, make it ideal for future tissue engineering applications. In this review, we first demonstrate the current understanding of the structures and mechanical properties of SF and the various functionalizations of SF matrices through chemical and physical manipulations. Then the diverse applications of SF architectures and scaffolds for different regenerative medicine will be discussed in detail, including their current applications in bone, eye, nerve, skin, tendon, ligament, and cartilage regeneration.
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Affiliation(s)
- Dave Jao
- Department of Physics and Astronomy, Rowan University, Glassboro, NJ 08028, USA.
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA.
| | - Xiaoyang Mou
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA.
| | - Xiao Hu
- Department of Physics and Astronomy, Rowan University, Glassboro, NJ 08028, USA.
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ 08028, USA.
- Department of Biomedical and Translational Sciences, Rowan University, Glassboro, NJ 08028, USA.
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Li X, Zhang Q, Ye D, Zhang J, Guo Y, You R, Yan S, Li M, Qu J. Fabrication and characterization of electrospun PCL/Antheraea pernyisilk fibroin nanofibrous scaffolds. POLYM ENG SCI 2016. [DOI: 10.1002/pen.24402] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Xiufang Li
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Qiang Zhang
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Dezhan Ye
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Jie Zhang
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Yuhang Guo
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Renchuan You
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Shuqin Yan
- National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, College of Textile Science and Engineering; Wuhan Textile University; Wuhan 430200 China
| | - Mingzhong Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering; Soochow University; No. 199 Ren'ai Road, Industrial Park Suzhou 215123 China
| | - Jing Qu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering; Soochow University; No. 199 Ren'ai Road, Industrial Park Suzhou 215123 China
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Sahu N, Pal S, Sapru S, Kundu J, Talukdar S, Singh NI, Yao J, Kundu SC. Non-Mulberry and Mulberry Silk Protein Sericins as Potential Media Supplement for Animal Cell Culture. BIOMED RESEARCH INTERNATIONAL 2016; 2016:7461041. [PMID: 27517047 PMCID: PMC4969515 DOI: 10.1155/2016/7461041] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 05/25/2016] [Accepted: 06/06/2016] [Indexed: 02/07/2023]
Abstract
Silk protein sericins, in the recent years, find application in cosmetics and pharmaceuticals and as biomaterials. We investigate the potential of sericin, extracted from both mulberry Bombyx mori and different non-mulberry sources, namely, tropical tasar, Antheraea mylitta; muga, Antheraea assama; and eri, Samia ricini, as growth supplement in serum-free culture medium. Sericin supplemented media containing different concentrations of sericins from the different species are examined for attachment, growth, proliferation, and morphology of fibrosarcoma cells. The optimum sericin supplementation seems to vary with the source of sericins. The results indicate that all the sericins promote the growth of L929 cells in serum-free culture media; however, S. ricini sericin seems to promote better growth of cells amongst other non-mulberry sericins.
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Affiliation(s)
- Neety Sahu
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Shilpa Pal
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Sunaina Sapru
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Joydip Kundu
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Sarmistha Talukdar
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - N. Ibotambi Singh
- Central Muga Eri Research and Training Institute, Lahdoigarh, Jorhat, Assam 785700, India
| | - Juming Yao
- The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Subhas C. Kundu
- Department of Biotechnology, Indian Institute of Technology Kharagpur, West Bengal 721302, India
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Kapoor S, Kundu SC. Silk protein-based hydrogels: Promising advanced materials for biomedical applications. Acta Biomater 2016; 31:17-32. [PMID: 26602821 DOI: 10.1016/j.actbio.2015.11.034] [Citation(s) in RCA: 272] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 11/08/2015] [Accepted: 11/17/2015] [Indexed: 01/20/2023]
Abstract
Hydrogels are a class of advanced material forms that closely mimic properties of the soft biological tissues. Several polymers have been explored for preparing hydrogels with structural and functional features resembling that of the extracellular matrix. Favourable material properties, biocompatibility and easy processing of silk protein fibers into several forms make it a suitable material for biomedical applications. Hydrogels made from silk proteins have shown a potential in overcoming limitations of hydrogels prepared from conventional polymers. A great deal of effort has been made to control the properties and to integrate novel topographical and functional characteristics in the hydrogel composed from silk proteins. This review provides overview of the advances in silk protein-based hydrogels with a primary emphasis on hydrogels of fibroin. It describes the approaches used to fabricate fibroin hydrogels. Attempts to improve the existing properties or to incorporate new features in the hydrogels by making composites and by improving fibroin properties by genetic engineering approaches are also described. Applications of the fibroin hydrogels in the realms of tissue engineering and controlled release are reviewed and their future potentials are discussed. STATEMENT OF SIGNIFICANCE This review describes the potentiality of silk fibroin hydrogel. Silk Fibroin has been widely recognized as an interesting biomaterial. Due to its properties including high mechanical strength and excellent biocompatibility, it has gained wide attention. Several groups are exploring silk-based materials including films, hydrogels, nanofibers and nanoparticles for different biomedical applications. Although there is a good amount of literature available on general properties and applications of silk based biomaterials, there is an inadequacy of extensive review articles that specifically focus on silk based hydrogels. Silk-based hydrogels have a strong potential to be utilized in biomedical applications. Our work is an effort to highlight the research that has been done in the area of silk-based hydrogels. It aims to provide an overview of the advances that have been made and the future course available. It will provide an overview of the silk-based hydrogels as well as may direct the readers to the specific areas of application.
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Keratin/Polyvinyl Alcohol Blend Films Cross-Linked by Dialdehyde Starch and Their Potential Application for Drug Release. Polymers (Basel) 2015. [DOI: 10.3390/polym7030580] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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Teplenin A, Krasheninnikova A, Agladze N, Sidoruk K, Agapova O, Agapov I, Bogush V, Agladze K. Functional analysis of the engineered cardiac tissue grown on recombinant spidroin fiber meshes. PLoS One 2015; 10:e0121155. [PMID: 25799394 PMCID: PMC4370870 DOI: 10.1371/journal.pone.0121155] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 01/28/2015] [Indexed: 11/19/2022] Open
Abstract
In the present study, we examined the ability of the recombinant spidroin to serve as a substrate for the cardiac tissue engineering. For this purpose, isolated neonatal rat cardiomyocytes were seeded on the electrospun spidroin fiber matrices and cultured to form the confluent cardiac monolayers. Besides the adhesion assay and immunostaining analysis, we tested the ability of the cultured cardiomyocytes to form a functional cardiac syncytium by studying excitation propagation in the cultured tissue with the aid of optical mapping. It was demonstrated that recombinant spidroin fiber meshes are directly suitable for the adherence and growth of the cardiomyocytes without additional coating with the attachment factors, such as fibronectin.
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Affiliation(s)
- Alexander Teplenin
- Moscow Institute of Physics and Technology, Institutski pereulok 9, Dolgoprudny, Moscow region, 141700, Russia
| | - Anna Krasheninnikova
- Moscow Institute of Physics and Technology, Institutski pereulok 9, Dolgoprudny, Moscow region, 141700, Russia
| | - Nadezhda Agladze
- Moscow Institute of Physics and Technology, Institutski pereulok 9, Dolgoprudny, Moscow region, 141700, Russia
| | - Konstantin Sidoruk
- The State Research Institute for Genetics and Selection of Industrial Microorganisms, 1st Dorozhny proezd 1, Moscow 117545, Russia
| | - Olga Agapova
- The Shumakov Research Center for Transplantology and Artificial Organs, Shchukinskaya 1, Moscow, 123182, Russia
| | - Igor Agapov
- The Shumakov Research Center for Transplantology and Artificial Organs, Shchukinskaya 1, Moscow, 123182, Russia
| | - Vladimir Bogush
- The State Research Institute for Genetics and Selection of Industrial Microorganisms, 1st Dorozhny proezd 1, Moscow 117545, Russia
| | - Konstantin Agladze
- Moscow Institute of Physics and Technology, Institutski pereulok 9, Dolgoprudny, Moscow region, 141700, Russia
- * E-mail:
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