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Eweje F, Walsh ML, Ahmad K, Ibrahim V, Alrefai A, Chen J, Chaikof EL. Protein-based nanoparticles for therapeutic nucleic acid delivery. Biomaterials 2024; 305:122464. [PMID: 38181574 PMCID: PMC10872380 DOI: 10.1016/j.biomaterials.2023.122464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/25/2023] [Accepted: 12/31/2023] [Indexed: 01/07/2024]
Abstract
To realize the full potential of emerging nucleic acid therapies, there is a need for effective delivery agents to transport cargo to cells of interest. Protein materials exhibit several unique properties, including biodegradability, biocompatibility, ease of functionalization via recombinant and chemical modifications, among other features, which establish a promising basis for therapeutic nucleic acid delivery systems. In this review, we highlight progress made in the use of non-viral protein-based nanoparticles for nucleic acid delivery in vitro and in vivo, while elaborating on key physicochemical properties that have enabled the use of these materials for nanoparticle formulation and drug delivery. To conclude, we comment on the prospects and unresolved challenges associated with the translation of protein-based nucleic acid delivery systems for therapeutic applications.
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Affiliation(s)
- Feyisayo Eweje
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA; Harvard and MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA; Harvard/MIT MD-PhD Program, Boston, MA, USA, 02115; Wyss Institute of Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA
| | - Michelle L Walsh
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA; Harvard and MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA; Harvard/MIT MD-PhD Program, Boston, MA, USA, 02115
| | - Kiran Ahmad
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Vanessa Ibrahim
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Assma Alrefai
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA
| | - Jiaxuan Chen
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA; Wyss Institute of Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA.
| | - Elliot L Chaikof
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA; Wyss Institute of Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA.
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2
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Promsuk J, Manissorn J, Laomeephol C, Luckanagul JA, Methachittipan A, Tonsomboon K, Jenjob R, Yang SG, Thongnuek P, Wangkanont K. Optimizing protein delivery rate from silk fibroin hydrogel using silk fibroin-mimetic peptides conjugation. Sci Rep 2024; 14:4428. [PMID: 38395958 PMCID: PMC10891107 DOI: 10.1038/s41598-024-53689-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
Controlled release of proteins, such as growth factors, from biocompatible silk fibroin (SF) hydrogel is valuable for its use in tissue engineering, drug delivery, and other biological systems. To achieve this, we introduced silk fibroin-mimetic peptides (SFMPs) with the repeating unit (GAGAGS)n. Using green fluorescent protein (GFP) as a model protein, our results showed that SFMPs did not affect the GFP function when conjugated to it. The SFMP-GFP conjugates incorporated into SF hydrogel did not change the gelation time and allowed for controlled release of the GFP. By varying the length of SFMPs, we were able to modulate the release rate, with longer SFMPs resulting in a slower release, both in water at room temperature and PBS at 37 °C. Furthermore, the SF hydrogel with the SFMPs showed greater strength and stiffness. The increased β-sheet fraction of the SF hydrogel, as revealed by FTIR analysis, explained the gel properties and protein release behavior. Our results suggest that the SFMPs effectively control protein release from SF hydrogel, with the potential to enhance its mechanical stability. The ability to modulate release rates by varying the SFMP length will benefit personalized and controlled protein delivery in various systems.
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Affiliation(s)
- Jaturong Promsuk
- Department of Biochemistry, Center of Excellence for Molecular Biology and Genomics of Shrimp, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Biochemistry, Center of Excellence in Molecular Crop, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Juthatip Manissorn
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Chavee Laomeephol
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Jittima Amie Luckanagul
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Apipon Methachittipan
- Nano Engineering Program, International School of Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Khaow Tonsomboon
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, 12120, Pathum Thani, Thailand
| | - Ratchapol Jenjob
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, 22332, Republic of Korea
| | - Su-Geun Yang
- Department of Biomedical Science, BK21 FOUR Program in Biomedical Science and Engineering, Inha University College of Medicine, Incheon, 22332, Republic of Korea
| | - Peerapat Thongnuek
- Biomedical Materials and Devices for Revolutionary Integrative Systems Engineering Research Unit (BMD-RISE), Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
- Biomedical Engineering Program, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
- Biomedical Engineering Research Center, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand.
| | - Kittikhun Wangkanont
- Department of Biochemistry, Center of Excellence for Molecular Biology and Genomics of Shrimp, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Department of Biochemistry, Center of Excellence in Molecular Crop, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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3
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Singhal K, Mazeed T, Demirel MC. Cephalopod inspired self-healing protein foams for oil-water separation. iScience 2023; 26:108300. [PMID: 38187193 PMCID: PMC10767161 DOI: 10.1016/j.isci.2023.108300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 09/07/2023] [Accepted: 10/19/2023] [Indexed: 01/09/2024] Open
Abstract
Cephalopods are remarkable creatures, captivating scientists with their advanced neurophysiology, complex behavior, and miraculously effective camouflage. Research into cephalopods has led to many discoveries in neuroscience, cell biology, and materials science. Specifically, squids provide us with remarkable self-healing Squid Ring Teeth protein, which is applied herein to extend the life span of foams. Despite the advantages of porosity in surface science applications, porosity impairs mechanical properties by making materials more prone to structural damage -which traditional polymeric foams also suffer from. Drawing inspiration from Squid Ring Teeth, we developed self-healing tandem repeat proteins to overcome these challenges. By leveraging porosity and self-healing properties inspired by Squid Ring Teeth, we created bioengineered protein foams with high separation capacity (5.1 g g-1) and efficiency (≈94%). The foams healed entirely within minutes which regained over 100% strength after repair. These advances promise applications for efficient continuous water treatment through durable filter cartridges.
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Affiliation(s)
- Khushank Singhal
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
| | - Tarek Mazeed
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
- Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Melik C. Demirel
- Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
- Huck Institutes of Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
- Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA
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4
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Feng F, Song X, Tan Z, Tu Y, Xiao L, Xie P, Ma Y, Sun X, Ma J, Rong L, He L. Cooperative assembly of a designer peptide and silk fibroin into hybrid nanofiber gels for neural regeneration after spinal cord injury. SCIENCE ADVANCES 2023; 9:eadg0234. [PMID: 37352345 PMCID: PMC10289662 DOI: 10.1126/sciadv.adg0234] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 05/17/2023] [Indexed: 06/25/2023]
Abstract
Local reconstruction of a permissive environment with biomaterials is a promising strategy to treat spinal cord injury (SCI). We reported a hybrid hydrogel fabricated from a small functional self-assembling peptide (F-SAP) and large silk fibroin (SF). The diffusion of SF micelles into F-SAP solution was driven by the dynamic synergy between osmotic pressure and F-SAP/SF electrostatic interactions, resulting in the rearrangement of SF micelles and the formation of rod-like filaments with axes nearly perpendicular to F-SAP nanofibers. Spectroscopy analysis, including circular dichroism, Raman and fluorescence, indicated conformation changes of SF from random coil to β sheet, which contributed to enhanced mechanical properties of the resultant hybrid hydrogel. Furthermore, the F-SAP/SF hybrid hydrogel coupled with controlled release of NT-3 provided a permissive environment for neural regeneration by providing nanofibrous substrates for regenerating axons, inflammatory modulation and remyelination, consequently resulting in improved locomotion and electrophysiological properties. This hydrogel could be used as a long-term stent in vivo for the treatment of SCI.
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Affiliation(s)
- Feng Feng
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Xiyong Song
- Institute of Biotechnology, Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki 00014, Finland
| | - Zan Tan
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Yujie Tu
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Longyou Xiao
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Pengfei Xie
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Yahao Ma
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Xiumin Sun
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Junwu Ma
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Limin Rong
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
| | - Liumin He
- Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 510630, China
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5
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Altuntaş E, Özkan B, Güngör S, Özsoy Y. Biopolymer-Based Nanogel Approach in Drug Delivery: Basic Concept and Current Developments. Pharmaceutics 2023; 15:1644. [PMID: 37376092 DOI: 10.3390/pharmaceutics15061644] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/29/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Due to their increased surface area, extent of swelling and active substance-loading capacity and flexibility, nanogels made from natural and synthetic polymers have gained significant interest in scientific and industrial areas. In particular, the customized design and implementation of nontoxic, biocompatible, and biodegradable micro/nano carriers makes their usage very feasible for a range of biomedical applications, including drug delivery, tissue engineering, and bioimaging. The design and application methodologies of nanogels are outlined in this review. Additionally, the most recent advancements in nanogel biomedical applications are discussed, with particular emphasis on applications for the delivery of drugs and biomolecules.
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Affiliation(s)
- Ebru Altuntaş
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Istanbul University, 34116 Istanbul, Türkiye
| | - Burcu Özkan
- Graduate School of Natural and Applied Science, Yildiz Technical University, 34220 Istanbul, Türkiye
| | - Sevgi Güngör
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Istanbul University, 34116 Istanbul, Türkiye
| | - Yıldız Özsoy
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Istanbul University, 34116 Istanbul, Türkiye
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6
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Graf TP, Qiu SY, Varshney D, Laracuente ML, Euliano EM, Munnangi P, Pogostin BH, Baryakova T, Garyali A, McHugh KJ. A Scalable Platform for Fabricating Biodegradable Microparticles with Pulsatile Drug Release. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300228. [PMID: 36862114 PMCID: PMC10247432 DOI: 10.1002/adma.202300228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 02/20/2023] [Indexed: 06/02/2023]
Abstract
Pulsatile drug delivery systems have the potential to improve patient adherence and therapeutic efficacy by providing a sequence of doses in a single injection. Herein, a novel platform, termed Particles Uniformly Liquified and Sealed to Encapsulate Drugs (PULSED) is developed, which enables the high-throughput fabrication of microparticles exhibiting pulsatile release. In PULSED, biodegradable polymeric microstructures with an open cavity are formed using high-resolution 3D printing and soft lithography, filled with drug, and sealed using a contactless heating step in which the polymer flows over the orifice to form a complete shell around a drug-loaded core. Poly(lactic-co-glycolic acid) particles with this structure can rapidly release encapsulated material after delays of 10 ± 1, 15 ± 1, 17 ± 2, or 36 ± 1 days in vivo, depending on polymer molecular weight and end group. The system is even compatible with biologics, releasing over 90% of bevacizumab in its bioactive form after a two-week delay in vitro. The PULSED system is highly versatile, offering compatibility with crystalline and amorphous polymers, easily injectable particle sizes, and compatibility with several newly developed drug loading methods. Together, these results suggest that PULSED is a promising platform for creating long-acting drug formulations that improve patient outcomes due to its simplicity, low cost, and scalability.
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Affiliation(s)
- Tyler P Graf
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Sherry Yue Qiu
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Dhruv Varshney
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Mei-Li Laracuente
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
- Medical Scientist Training Program, Baylor College of Medicine, Houston, TX, 77030, USA
| | - Erin M Euliano
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Pujita Munnangi
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Brett H Pogostin
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | | | - Arnav Garyali
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
| | - Kevin J McHugh
- Department of Bioengineering, Rice University, Houston, TX, 77005, USA
- Department of Chemistry, Rice University, Houston, TX, 77005, USA
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7
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Choi J, Sahoo JK, Hasturk O, Falcucci T, Yao Y, Kaplan DL. Instantaneous Formation of Silk Protein Aerosols and Fibers with a Portable Spray Device Under Ambient Conditions. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:2201392. [PMID: 37635855 PMCID: PMC10456984 DOI: 10.1002/admt.202201392] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Indexed: 08/29/2023]
Abstract
A variety of artificial silk spinning approaches have been attempted to mimic the natural spinning process found in silkworms and spiders, yet instantaneous silk fiber formation with hierarchical structure under physiological and ambient conditions without post-treatment procedures remains unaddressed. Here, we report a new strategy to fabricate silk protein-based aerosols and silk fibers instantaneously (< 1 s) in situ using a simple, portable, spray device, avoiding complicated and costly advanced manufacturing techniques. The key to success is the instantaneous conformational transition of silk fibroin from random coil to β-sheet right before spraying by mixing silk and polyethylene glycol (PEG) solutions in the spray device, allowing aerosols and silk fibers to be sprayed in situ, with further control achieved via the molecular weight of silk. The spinning process of the spray device is based on the use of green solvents, i.e., all steps of instant conformational transition of silk fibroin are carried out in aqueous conditions or with buffers at ambient conditions, in combination with shear and elongational flow caused by the hydraulic pressure generated in the spray container. The system supports a portable and user-friendly system that could be used for drug delivery carriers, wound coating materials and rapid silk fiber conformal coatings on surfaces.
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Affiliation(s)
- Jaewon Choi
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA; Department of Polymer Science and Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jugal Kishore Sahoo
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - Ya Yao
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, USA
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8
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Torres ADS, Silveira JVWD, Torres MDM, Araujo CTPD, Galo R, Oliveira SGDD. Composite resin reinforced with silk nanoparticles from Bombyx mori cocoon for dental applications. Braz Dent J 2023; 34:67-74. [PMID: 37194858 DOI: 10.1590/0103-6440202304950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 02/24/2023] [Indexed: 05/18/2023] Open
Abstract
The objective of this work was to evaluate the mechanical performance of Z350 resin composite modified with Bombyx mori cocoons silk nanoparticles for dental applications. Four experimental groups were analyzed G0% = Filtek Z350 resin composite (control); G1% = Filtek Z350 with 1% of silk nanoparticles; G3% = Filtek Z350 with 3% of silk nanoparticles; G5% = Filtek Z350 with 5% of silk nanoparticles. It was employed scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction, 3-point flexural strength test, Knoop hardness test, and surface roughness. From 3-point flexural strength tests the control group presented the best results G0% = 113.33 MPa (±23.73). The higher flexural modulus was shown by groups G3% = 29.150 GPa (±5.191) and G5% = 34.101 GPa (±7.940), which are statistically similar. The Knoop microhardness test has shown statistical difference only among the G3% group between the top 80.78 (± 3.00) and bottom 68.80 (±3.62) and no difference between the groups. The roughness test presented no statistical difference between the groups. The incorporation of silk nanoparticles reduced the flexural strength of Z350 resin composite. The surface roughness and microhardness tests showed no changes in any of the groups studied.
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Affiliation(s)
- Adriana da Silva Torres
- Department of Dentistry, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys; Diamantina-Minas Gerais, Brazil
| | | | - Moisés de Matos Torres
- Institute of Science and Technology, Federal University of Jequitinhonha and Mucuri Valleys; Diamantina- Minas Gerais , Brazil
| | - Cintia Tereza Pimenta de Araujo
- Department of Dentistry, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys; Diamantina-Minas Gerais, Brazil
| | - Rodrigo Galo
- Department of Dental Materials and Prothesis, Faculty of Dentistry of Ribeirão Preto, University of São Paulo, Brazil
| | - Simone Gomes Dias de Oliveira
- Department of Dentistry, Faculty of Biological and Health Sciences, Federal University of Jequitinhonha and Mucuri Valleys; Diamantina-Minas Gerais, Brazil
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9
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Mao J, Cao H, Liu J, Zhou X, Fan Q, Wang J. Templated freezing assembly precisely regulates molecular assembly for free-standing centimeter-scale microtextured nanofilms. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1476-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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10
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Hashimoto T, Nakamura Y, Kakinoki S, Sano N, Kameda T, Tamada Y, Yamaoka T, Kurosu H. Immobilization of Arg-Gly-Asp peptides on silk fibroin via Gly-Ala-Gly-Ala-Gly-Ser sequences. Biotechnol J 2023; 18:e2200139. [PMID: 36424700 DOI: 10.1002/biot.202200139] [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: 03/20/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 11/27/2022]
Abstract
A simple method by which the functional peptide of Gly-Arg-Gly-Asp-Ser (GRGDS) is immobilized on the surface of silk fibroin (SF) films via Gly-Ala-Gly-Ala-Gly-Ser (GAGAGS) sequences is proposed. GAGAGS, a repeating amino acid sequence in the crystal region of Bombyx mori SF, performs a key role in interacting with and immobilizing SF molecules. Immobilization by this proposed method involves no chemical reaction, thereby preserving the original properties of the SF molecule. The density of GRGDS peptides existing on SF film was found to be higher in the GAGAGS-bound type than in the non-GAGAGS-bound type. Furthermore, results showed that the amount of immobilized (GAGAGS)GRGDS peptide increased as the β-sheet crystallization was promoted in the SF film. Fibroblasts, which adhered to the surface of the SF film, showed more extensibility because of the (GAGAGS)GRGDS immobilization, which suggests that the cell adhesion activity of RGD is functioning effectively.
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Affiliation(s)
- Tomoko Hashimoto
- The Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, Japan.,Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan.,Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan
| | - Yuka Nakamura
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan
| | - Sachiro Kakinoki
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan.,Faculty of Chemistry, Materials and Bioengineering, Department of Chemistry and Materials Engineering, Kansai University, Suita, Osaka, Japan
| | - Naoko Sano
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan.,Ionoptika Ltd., Eastleigh, United Kingdom
| | - Tsunenori Kameda
- Silk Materials Research Group, National Agriculture and Food Research Organization, Tsukuba, Ibaraki, Japan
| | - Yasushi Tamada
- The Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, Japan
| | - Tetsuji Yamaoka
- Department of Biomedical Engineering, National Cerebral and Cardiovascular Center Research Institute, Suita, Osaka, Japan
| | - Hiromichi Kurosu
- Faculty of Human Life and Environmental Sciences, Department of Clothing Environmental Science, Nara Women's University, Kitauoya-Nishimachi, Nara, Japan
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11
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Emonson NS, Randall JD, Allardyce BJ, Stanfield MK, Dharmasiri B, Stojcevski F, Henderson LC. Promoting Silk Fibroin Adhesion to Stainless Steel Surfaces by Interface Tailoring. Chempluschem 2023; 88:e202200335. [PMID: 36449627 DOI: 10.1002/cplu.202200335] [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: 09/28/2022] [Revised: 11/07/2022] [Indexed: 11/11/2022]
Abstract
Bonding dissimilar materials has been a persistent challenge for decades. This paper presents a method to modify a stainless steel surface (316 L), routinely used in medical applications to enable the significant adhesion of a biopolymer (silk fibroin). The metallic surface was first covalently grafting with polyacrylamide, to enable a hydrogen bonding compatible surface. The polymerisation was initiated via the irreversible electrochemical reduction of a 4-nitrobenzene diazonium salt (20 mM), in the presence of an acrylamide monomer (1 M) at progressively faster scan rates (0.01 V/s to 1 V/s). Examination of the modified samples by FT-IR was consistent with successful surface modification, via observations of the acrylamide carbonyl (1600-1650 cm-1 ) was observed, with more intense peaks correlating to slower scan rates. Similar observations were made with respect to increasing surface polarity, assessed by water contact angle. Reductions of >60° were observed for the grafted surfaces, relative to the unmodified control materials, indicating a surface able to undergo significant hydrogen bonding. The adhesion of silk to the metallic surface was quantified using a lap shear test, effectively using silk fibroin as an adhesive. Adhesion improvements of 5-7-fold, from 4.1 MPa to 29.3 MPa per gram of silk fibroin, were observed for the treated samples, highlighting the beneficial effect of this surface treatment. The methods developed in this work can be transferred to any metallic (or conductive) surface and can be tailored to complement any desired interface.
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Affiliation(s)
- Nicholas S Emonson
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - James D Randall
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Benjamin J Allardyce
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Melissa K Stanfield
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Bhagya Dharmasiri
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Filip Stojcevski
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
| | - Luke C Henderson
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria, 3216, Australia
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12
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Qi Z, Yan Z, Tan G, Jia T, Geng Y, Shao H, Kundu SC, Lu S. Silk Fibroin Microneedles for Transdermal Drug Delivery: Where Do We Stand and How Far Can We Proceed? Pharmaceutics 2023; 15:pharmaceutics15020355. [PMID: 36839676 PMCID: PMC9964088 DOI: 10.3390/pharmaceutics15020355] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/11/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Microneedles are a patient-friendly technique for delivering drugs to the site of action in place of traditional oral and injectable administration. Silk fibroin represents an interesting polymeric biomaterial because of its mechanical properties, thermal stability, biocompatibility and possibility of control via genetic engineering. This review focuses on the critical research progress of silk fibroin microneedles since their inception, analyzes in detail the structure and properties of silk fibroin, the types of silk fibroin microneedles, drug delivery applications and clinical trials, and summarizes the future development trend in this field. It also proposes the future research direction of silk fibroin microneedles, including increasing drug loading doses and enriching drug loading types as well as exploring silk fibroin microneedles with stimulation-responsive drug release functions. The safety and effectiveness of silk fibroin microneedles should be further verified in clinical trials at different stages.
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Affiliation(s)
- Zhenzhen Qi
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Zheng Yan
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Guohongfang Tan
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Tianshuo Jia
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Yiyu Geng
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Huiyan Shao
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Subhas C. Kundu
- 3Bs Research Group, I3Bs Research Institute on Biomaterials, Biodegrabilities, and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, AvePark, Guimaraes, 4805-017 Barco, Portugal
| | - Shenzhou Lu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
- Correspondence: ; Tel.: +86-512-67061152
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13
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Changes in Natural Silk Fibres by Hydration, Tensile Loading and Heating as Studied by 1H NMR: Anisotropy in NMR Relaxation Times. Polymers (Basel) 2022; 14:polym14173665. [PMID: 36080741 PMCID: PMC9460615 DOI: 10.3390/polym14173665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/16/2022] [Accepted: 08/18/2022] [Indexed: 11/17/2022] Open
Abstract
B. mori silkworm natural silk is a fibrous biopolymer with a block copolymer design containing both hydrophobic and hydrophilic regions. Using 1H NMR relaxation, this work studied B. mori natural silk fibres oriented at 0° and 90° to the static magnetic field B0 to clarify how measured NMR parameters reflect the structure and anisotropic properties of hydrated silk fibres. The FTIR method was applied to monitor the changes in the silk I and β-sheet conformations. Unloaded B. mori silk fibres at different hydration levels (HL), the silk threads before and after tensile loading in water, and fibres after a stepped increase in temperature have been explored. NMR data discovered two components in T1 and T2 relaxations for both orientations of silk fibres (0° and 90°). For the slower T2 component, the results showed an obvious anisotropic effect with higher relaxation times for the silk fibres oriented at 90° to B0. The T1 component (water protons, HL = 0.11) was sequentially decreased over a range of fibres: 0° oriented, randomly oriented, silk B. mori cocoon, 90° oriented. The degree of anisotropy in T2 relaxation was decreasing with increasing HL. The T2 in silk threads oriented at 0° and 90° also showed anisotropy in increased HL (to 0.42 g H2O/g dry matter), at tensile loading, and at an increasing temperature towards 320 K. The changes in NMR parameters and different relaxation mechanisms affecting water molecular interactions and silk properties have been discussed. The findings provide new insights relating to the water anisotropy in hydrated Bombyx mori silk fibres at tensile loading and under a changing HL and temperature.
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14
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Motasadizadeh H, Tavakoli M, Damoogh S, Mottaghitalab F, Gholami M, Atyabi F, Farokhi M, Dinarvand R. Dual drug delivery system of teicoplanin and phenamil based on pH-sensitive silk fibroin/sodium alginate hydrogel scaffold for treating chronic bone infection. BIOMATERIALS ADVANCES 2022; 139:213032. [PMID: 35882123 DOI: 10.1016/j.bioadv.2022.213032] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 06/27/2022] [Accepted: 07/11/2022] [Indexed: 10/17/2022]
Abstract
For effective treatment of infected bone, it is essential to use local drug delivery systems with the ability to deliver both antibiotics and osteoinductive factors. Herein, a pH-sensitive silk fibroin (SF)/sodium alginate (SA) hydrogel scaffolds containing teicoplanin (TEC) and phenamil (PM) loaded SF nanoparticles (PMSFNPS) are introduced for treating chronic osteomyelitis. The TEC and PM showed a sustained- and pH-sensitive release behavior from SF/SA hydrogel. The higher release rate was seen in an alkaline pH in comparison to neutral and acidic pH during 10 days. The eluted TEC maintained its antibacterial activity of >75 % during 35 days and in three different pH values (5.5, 7.4, and 8.5). The cellular study indicated that the scaffolds containing PMSFNPs could promote the cell viability, ALP activity, and matrix mineralization. Moreover, the in vivo effectiveness of hydrogel scaffolds were analyzed with radiography, histological and Immunohistochemistry evaluations. The lower infection and higher regeneration were observed in methicillin-resistant Staphylococcus aureus (MRSA) infected rat bone treated with hydrogel scaffold containing PMSFNPs and TEC compared to other groups. Consequently, this dual-drug delivery system could be a hopeful approach for effective treatment of chronic bone infection.
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Affiliation(s)
- Hamidreza Motasadizadeh
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohamadreza Tavakoli
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sheyda Damoogh
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdi Gholami
- Department of Toxicology & Pharmacology, Faculty of Pharmacy; Toxicology and Poisoning Research Centre, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Atyabi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
| | - Rassoul Dinarvand
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Leicester School of Pharmacy, De Montfort University, Leicester, UK.
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15
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Fan J, Huang C, Cheng Y, Xie C, Chen H, Peng H. Silk fibroin/calcium alginate composite modifying supermacroporous molecularly imprinted membrane synthesis for high performance on recognizing bovine hemoglobin. J Appl Polym Sci 2022. [DOI: 10.1002/app.52842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jie‐Ping Fan
- Department of Chemical Engineering Nanchang University Nanchang China
| | - Cong‐Bo Huang
- Department of Chemical Engineering Nanchang University Nanchang China
| | - Yu‐Tong Cheng
- Department of Chemical Engineering Nanchang University Nanchang China
| | - Chun‐Fang Xie
- Department of Chemical Engineering Nanchang University Nanchang China
| | - Hui‐Ping Chen
- Department of Chemical Engineering Nanchang University Nanchang China
| | - Hai‐Long Peng
- Department of Chemical Engineering Nanchang University Nanchang China
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16
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Giannelli M, Guerrini A, Ballestri M, Aluigi A, Zamboni R, Sotgiu G, Posati T. Bioactive Keratin and Fibroin Nanoparticles: An Overview of Their Preparation Strategies. NANOMATERIALS 2022; 12:nano12091406. [PMID: 35564115 PMCID: PMC9104131 DOI: 10.3390/nano12091406] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/13/2022]
Abstract
In recent years, several studies have focused their attention on the preparation of biocompatible and biodegradable nanocarriers of potential interest in the biomedical field, ranging from drug delivery systems to imaging and diagnosis. In this regard, natural biomolecules—such as proteins—represent an attractive alternative to synthetic polymers or inorganic materials, thanks to their numerous advantages, such as biocompatibility, biodegradability, and low immunogenicity. Among the most interesting proteins, keratin extracted from wool and feathers, as well as fibroin extracted from Bombyx mori cocoons, possess all of the abovementioned features required for biomedical applications. In the present review, we therefore aim to give an overview of the most important and efficient methodologies for obtaining drug-loaded keratin and fibroin nanoparticles, and of their potential for biomedical applications.
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17
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Wang X, Liu P, Wu Q, Zheng Z, Xie M, Chen G, Yu J, Wang X, Li G, Kaplan D. Sustainable Antibacterial and Anti-Inflammatory Silk Suture with Surface Modification of Combined-Therapy Drugs for Surgical Site Infection. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11177-11191. [PMID: 35192338 DOI: 10.1021/acsami.2c00106] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Silk sutures with antibacterial and anti-inflammatory functions were developed for sustained dual-drug delivery to prevent surgical site infections (SSIs). The silk sutures were prepared with core-shell structures braided from degummed silk filaments and then coated with a silk fibroin (SF) layer loaded with berberine (BB) and artemisinin (ART). Both the rapid release of drugs to prevent initial biofilm formation and the following sustained release to maintain effective concentrations for more than 42 days were demonstrated. In vitro assays using human fibroblasts (Hs 865.Sk) demonstrated cell proliferation on the materials, and hemolysis was 2.4 ± 0.8%, lower than that required by ISO 10993-4 standard. The sutures inhibited platelet adhesion and promoted collagen deposition and blood vessel formation. In vivo assessments using Sprague-Dawley (SD) rats indicated that the coating reduced the expression of pro-inflammatory cytokines interleukin-10 (IL-10) and tumor necrosis factor-α (TNF-α), shortening the inflammatory period and promoting angiogenesis. The results demonstrated that these new sutures exhibited stable structures, favorable biocompatibility, and sustainable antibacterial and anti-inflammatory functions with potential for surgical applications.
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Affiliation(s)
- Xuchen Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Peixin Liu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
- Orthopedic Institute, Soochow University, Suzhou 215006, China
| | - Qinting Wu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Zhaozhu Zheng
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Maobin Xie
- Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou 511436, China
| | - Guoqiang Chen
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Jia Yu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
- Orthopedic Institute, Soochow University, Suzhou 215006, China
| | - Xiaoqin Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Gang Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - David Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, Massachusetts 02155, United States
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18
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Balakrishnan G, Song J, Mou C, Bettinger CJ. Recent Progress in Materials Chemistry to Advance Flexible Bioelectronics in Medicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2106787. [PMID: 34751987 PMCID: PMC8917047 DOI: 10.1002/adma.202106787] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/15/2021] [Indexed: 05/09/2023]
Abstract
Designing bioelectronic devices that seamlessly integrate with the human body is a technological pursuit of great importance. Bioelectronic medical devices that reliably and chronically interface with the body can advance neuroscience, health monitoring, diagnostics, and therapeutics. Recent major efforts focus on investigating strategies to fabricate flexible, stretchable, and soft electronic devices, and advances in materials chemistry have emerged as fundamental to the creation of the next generation of bioelectronics. This review summarizes contemporary advances and forthcoming technical challenges related to three principal components of bioelectronic devices: i) substrates and structural materials, ii) barrier and encapsulation materials, and iii) conductive materials. Through notable illustrations from the literature, integration and device fabrication strategies and associated challenges for each material class are highlighted.
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Affiliation(s)
| | - Jiwoo Song
- Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
| | - Chenchen Mou
- Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA
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19
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Chen J, Tsuchiya K, Masunaga H, Malay AD, Numata K. A silk composite fiber reinforced by telechelic-type polyalanine and its strengthening mechanism. Polym Chem 2022. [DOI: 10.1039/d2py00030j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A telechelic-type polyalanine was doped in silkworm silk fibroins to prepare reinforced composite fibers, which exhibited 42% and 51% higher mechanical properties than silk-only fibers in terms of tensile strength and toughness, respectively.
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Affiliation(s)
- Jianming Chen
- Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Kousuke Tsuchiya
- Department of Material Chemistry, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Hiroyasu Masunaga
- Japan Synchrotron Radiation Research Institute, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
| | - Ali D. Malay
- Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Keiji Numata
- Biomacromolecules Research Team, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
- Department of Material Chemistry, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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20
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Hcini K, Lozano-Pérez AA, Luis Cenis J, Quílez M, José Jordán M. Extraction and Encapsulation of Phenolic Compounds of Tunisian Rosemary ( Rosmarinus officinalis L.) Extracts in Silk Fibroin Nanoparticles. PLANTS (BASEL, SWITZERLAND) 2021; 10:plants10112312. [PMID: 34834676 PMCID: PMC8618009 DOI: 10.3390/plants10112312] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 05/13/2023]
Abstract
Rosemary (Rosmarinus officinalis L.) is known to be an effective potential source of natural antioxidants which confer benefits to human health. Their bioactive properties are mainly due to phenolic compounds but these molecules are highly vulnerable to oxidants, light, heat, pH, water and enzymatic activities. Therefore, the stability and shelf life of phenolic compounds should be increased by being protected from chemical and physical damage by means of encapsulation prior to application. Encapsulation is becoming increasingly important in the pharmaceutical, food, cosmetics, textile, personal care, chemical, biotechnology, and medicinal industries due to its potential for stabilization and delivery of delicate and precious bioactive compounds. The aim of the present work was to describe the polyphenolic profile of Tunisian Rosemary, collected from two different bioclimatic areas, and further loading in silk fibroin nanoparticles. The loaded nanoparticles were characterized in terms of morphology, size, polydispersity, Z-potential, secondary structure of the protein, encapsulation efficiency, loading content, and antioxidant activity. On one hand, HPLC analysis revealed the presence of 18 polyphenolic compounds of whichcarnosic acid and carnosol were found to be the most abundant compounds (46.3 to 76.4 and 22.4 to 43.5 mg of compound per gram of dry plant weight (mg/g DPW) respectively), Total phenolic content (TPC) ranged from 85.8 to 137.3 mg of gallic acid equivalent (GAE)/g DPW in post-distilled rosemary extracts andantioxidant activity reached the values of 5.9 to 8.3 µmol of ascorbic acid equivalent (AAE)/g DPW). On the other hand loaded nanoparticles were almost spherical and presented nanometric size and negative Z-potential. Although the encapsulation efficiency in silk fibroin nanoparticles and the drug loading content were low in the conditions of the assay, the encapsulated polyphenols retained near 85% of the radical scavenging activity against DPPH· after 24 h. of incubation at 37 °C. The results showed that post-distilled rosemary residues had an effective potential as natural antioxidants due to their significant antioxidant activity and seemed to be useful in both pharmaceutical and food industries with beneficial properties that might confer benefits to human health and these silk fibroin nanoparticles loaded with rosemary extracts are thus a promising combination for several applications in food technology or nanomedicine.
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Affiliation(s)
- Kheiria Hcini
- Biodiversity, Biotechnology and Climate Change Laboratory (LR11ES09), Department of Life Sciences, Faculty of Science of Tunis, University of Tunis El Manar, Tunis 2092, Tunisia
- Department of Life Sciences, Faculty of Sciences of Gafsa, University Campus Sidi Ahmed Zarroug, University of Gafsa, Gafsa 2112, Tunisia
- Correspondence:
| | - Antonio A. Lozano-Pérez
- Departamento de Biotecnología, Genómica y Mejora Vegetal, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (J.L.C.)
- Instituto Murciano de Investigación Biosanitaria (IMIB)-Arrixaca, El Palmar, 30120 Murcia, Spain
| | - José Luis Cenis
- Departamento de Biotecnología, Genómica y Mejora Vegetal, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental (IMIDA), La Alberca, 30150 Murcia, Spain; (A.A.L.-P.); (J.L.C.)
| | - María Quílez
- Departamento de Desarrollo Rural, Enología y Agricultura Sostenible, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental (IMIDA), La Alberca, 30150 Murcia, Spain; (M.Q.); (M.J.J.)
| | - Maria José Jordán
- Departamento de Desarrollo Rural, Enología y Agricultura Sostenible, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental (IMIDA), La Alberca, 30150 Murcia, Spain; (M.Q.); (M.J.J.)
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21
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Chen Y, Wu H, Yang T, Zhou G, Chen Y, Wang J, Mao C, Yang M. Biomimetic Nucleation of Metal-Organic Frameworks on Silk Fibroin Nanoparticles for Designing Core-Shell-Structured pH-Responsive Anticancer Drug Carriers. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47371-47381. [PMID: 34582680 DOI: 10.1021/acsami.1c13405] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Silk fibroin (SF) is a biomacromolecule that can be assembled into nanostructures and induce biomimetic nucleation of inorganic materials. Zeolitic imidazolate framework-8 (ZIF-8), a metal-organic framework (MOF), can be dissolved selectively under acidic pH. Here, we integrated SF and ZIF-8 to develop novel drug carriers that selectively release drug in the acidic intracellular environment of cancer cells. Specifically, SF was assembled into nanoparticles (SF-NPs), which were then loaded with an antitumor drug, doxorubicin (DOX), to form DSF-NPs. Due to the SF-mediated organization of ZIF-8 precursors such as zinc ions, the DSF-NPs further templated the nucleation of ZIF-8 onto their surface to generate core-shell-structured NPs (termed DSF@Z-NPs) with ZIF-8 as a shell and DSF-NP as a core. We found that the DSF@Z-NPs, highly stable under neutral conditions, could be uptaken by breast cancer cells, release DOX selectively owing to dissolution of ZIF-8 shells in the acidic intracellular environment in a controlled manner, and induce cell apoptosis. We also confirmed that the DSF@Z-NPs could inhibit tumor growth more efficiently to reach a higher survival rate than their controls by inducing cell apoptosis in vivo. Our study suggests that SF and MOF could be combined to design a new type of cancer therapeutics.
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Affiliation(s)
- Yuping Chen
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
| | - Hesong Wu
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
| | - Tao Yang
- College of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027 Zhejiang, P. R. China
| | - Guanshan Zhou
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
| | - Yuyin Chen
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
| | - Jie Wang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
| | - Chuanbin Mao
- College of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027 Zhejiang, P. R. China
- Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, Institute for Biomedical Engineering, Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019-5251, United States
| | - Mingying Yang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou, 310058 Zhejiang, P. R. China
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22
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Barroso IA, Man K, Villapun VM, Cox SC, Ghag AK. Methacrylated Silk Fibroin Hydrogels: pH as a Tool to Control Functionality. ACS Biomater Sci Eng 2021; 7:4779-4791. [PMID: 34586800 DOI: 10.1021/acsbiomaterials.1c00791] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The last decade has witnessed significant progress in the development of photosensitive polymers for in situ polymerization and 3D printing applications. Light-mediated sol-gel transitions have immense potential for tissue engineering applications as cell-laden materials can be crosslinked within minutes under mild environmental conditions. Silk fibroin (SF) is extensively explored in regenerative medicine applications due to its ease of modification and exceptional mechanical properties along with cytocompatibility. To efficiently design SF materials, the in vivo assembly of SF proteins must be considered. During SF biosynthesis, changes in pH, water content, and metal ion concentrations throughout the silkworm gland divisions drive the transition from liquid silk to its fiber form. Herein, we study the effect of the glycidyl-methacrylate-modified SF (SilkMA) solution pH on the properties and secondary structure of SilkMA hydrogels by testing formulations prepared at pH 5, 7, and 8. Our results demonstrate an influence of the prepolymer solution pH on the hydrogel rheological properties, compressive modulus, optical transmittance, and network swellability. The hydrogel pH did not affect the in vitro viability and morphology of human dermal fibroblasts. This work demonstrates the utility of the solution pH to tailor the SilkMA conformational structure development toward utility and function and shows the need to strictly control the pH to reduce batch-to-batch variability and ensure reproducibility.
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Affiliation(s)
- Inês A Barroso
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, Birmingham, U.K
| | - Kenny Man
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, Birmingham, U.K
| | - Victor M Villapun
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, Birmingham, U.K
| | - Sophie C Cox
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, Birmingham, U.K
| | - Anita K Ghag
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, Birmingham, U.K
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23
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Shan J, Böck T, Keller T, Forster L, Blunk T, Groll J, Teßmar J. TEMPO/TCC as a Chemo Selective Alternative for the Oxidation of Hyaluronic Acid. Molecules 2021; 26:molecules26195963. [PMID: 34641507 PMCID: PMC8512827 DOI: 10.3390/molecules26195963] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
Hyaluronic acid (HA)-based hydrogels are very commonly applied as cell carriers for different approaches in regenerative medicine. HA itself is a well-studied biomolecule that originates from the physiological extracellular matrix (ECM) of mammalians and, due to its acidic polysaccharide structure, offers many different possibilities for suitable chemical modifications which are necessary to control, for example, network formation. Most of these chemical modifications are performed using the free acid function of the polymer and, additionally, lead to an undesirable breakdown of the biopolymer’s backbone. An alternative modification of the vicinal diol of the glucuronic acid is oxidation with sodium periodate to generate dialdehydes via a ring opening mechanism that can subsequently be further modified or crosslinked via Schiff base chemistry. Since this oxidation causes a structural destruction of the polysaccharide backbone, it was our intention to study a novel synthesis protocol frequently applied to selectively oxidize the C6 hydroxyl group of saccharides. On the basis of this TEMPO/TCC oxidation, we studied an alternative hydrogel platform based on oxidized HA crosslinked using adipic acid dihydrazide as the crosslinker.
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Affiliation(s)
- Junwen Shan
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
| | - Thomas Böck
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
| | - Thorsten Keller
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
| | - Leonard Forster
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
| | - Torsten Blunk
- Department of Trauma, Hand, Plastic and Reconstructive Surgery, University of Würzburg, Oberdürrbacher Str. 6, 97080 Würzburg, Germany;
| | - Jürgen Groll
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
| | - Jörg Teßmar
- Department of Functional Materials in Medicine and Dentistry, Bavarian Polymer Institute (BPI), University of Würzburg, 297070 Würzburg, Germany; (J.S.); (T.B.); (T.K.); (L.F.); (J.G.)
- Correspondence:
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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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Stinson JA, Boopathy AV, Cieslewicz BM, Zhang Y, Hartman NW, Miller DP, Dirckx M, Hurst BL, Tarbet EB, Kluge JA, Kosuda KM. Enhancing influenza vaccine immunogenicity and efficacy through infection mimicry using silk microneedles. Vaccine 2021; 39:5410-5421. [PMID: 34391593 DOI: 10.1016/j.vaccine.2021.07.064] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/04/2021] [Accepted: 07/21/2021] [Indexed: 10/20/2022]
Abstract
Traditional bolus vaccine administration leads to rapid clearance of vaccine from lymphoid tissue. However, there is increasing evidence suggesting that the kinetics of antigen delivery can impact immune responses to vaccines, particularly when tailored to mimic natural infections. Here, we present the specific enhancements sustained release immunization confers to seasonal influenza vaccine, including the magnitude, durability, and breadth of humoral responses. To achieve sustained vaccine delivery kinetics, we have developed a microneedle array patch (MIMIX), with silk fibroin-formulated vaccine tips designed to embed in the dermis after a short application to the skin and release antigen over 1-2 weeks, mimicking the time course of a natural influenza infection. In a preclinical murine model, a single influenza vaccine administration via MIMIX led to faster seroconversion, response-equivalence to prime-boost bolus immunization, higher HAI titers against drifted influenza strains, and improved protective efficacy upon lethal influenza challenge when compared with intramuscular injection. These results highlight infection mimicry, achieved through sustained release silk microneedles, as a powerful approach to improve existing seasonal influenza vaccines, while also suggesting the broader potential of this platform technology to enable more efficacious next-generation vaccines and vaccine combinations.
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Affiliation(s)
- Jordan A Stinson
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Archana V Boopathy
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Brian M Cieslewicz
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Yichen Zhang
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Nickolas W Hartman
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - David P Miller
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Matthew Dirckx
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Brett L Hurst
- Institute for Antiviral Research, Department of Animal, Dairy, and Veterinary Sciences, Utah State University, 5600 Old Main Hill, Logan, UT 84322, USA
| | - E Bart Tarbet
- Institute for Antiviral Research, Department of Animal, Dairy, and Veterinary Sciences, Utah State University, 5600 Old Main Hill, Logan, UT 84322, USA
| | - Jonathan A Kluge
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA
| | - Kathryn M Kosuda
- Vaxess Technologies, Inc., 790 Memorial Drive, Suite 200, Cambridge, MA 02139, USA.
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The rough inhalable ciprofloxacin hydrochloride microparticles based on silk fibroin for non-cystic fibrosis bronchiectasis therapy with good biocompatibility. Int J Pharm 2021; 607:120974. [PMID: 34358540 DOI: 10.1016/j.ijpharm.2021.120974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/13/2021] [Accepted: 08/01/2021] [Indexed: 01/03/2023]
Abstract
Non-cystic fibrosis bronchiectasis (NCFB) is a chronic respiratory disease, and the thick and viscous mucus covering on respiratory epithelia can entrap the inhaled drugs, resulting in compromised therapeutic efficiency. In order to solve this problem, the inhalable ciprofloxacin hydrochloride microparticles (CMs) based on silk fibroin (SF) and mannitol (MAN) were designed and developed. SF was applied to increase the loading efficiency of ciprofloxacin hydrochloride by strong electrostatic interactions. MAN could facilitate the penetration of drugs through mucus, which ensured the drugs could reach their targets before clearance. Furthermore, the aerodynamic performance of the inhalable microparticles could be tuned by changing the surface roughness to achieve a high fine particle fraction value (45.04%). The antibacterial effects of CMs were also confirmed by measuring the minimum inhibitory concentration against four different bacteria strains. Moreover, a series of experiments both in vitro and in vivo showed that CMs would not affect the lung function and induce the secretion of inflammatory cytokines in lungs, demonstrating their excellent biocompatibility and biosafety. Therefore, CMs might be a promising pulmonary drug delivery system for the treatment of NCFB.
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Chander S, Kulkarni GT, Dhiman N, Kharkwal H. Protein-Based Nanohydrogels for Bioactive Delivery. Front Chem 2021; 9:573748. [PMID: 34307293 PMCID: PMC8299995 DOI: 10.3389/fchem.2021.573748] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 05/27/2021] [Indexed: 12/12/2022] Open
Abstract
Hydrogels possess a unique three-dimensional, cross-linked network of polymers capable of absorbing large amounts of water and biological fluids without dissolving. Nanohydrogels (NGs) or nanogels are composed of diverse types of polymers of synthetic or natural origin. Their combination is bound by a chemical covalent bond or is physically cross-linked with non-covalent bonds like electrostatic interactions, hydrophobic interactions, and hydrogen bonding. Its remarkable ability to absorb water or other fluids is mainly attributed to hydrophilic groups like hydroxyl, amide, and sulphate, etc. Natural biomolecules such as protein- or peptide-based nanohydrogels are an important category of hydrogels which possess high biocompatibility and metabolic degradability. The preparation of protein nanohydrogels and the subsequent encapsulation process generally involve use of environment friendly solvents and can be fabricated using different proteins, such as fibroins, albumin, collagen, elastin, gelatin, and lipoprotein, etc. involving emulsion, electrospray, and desolvation methods to name a few. Nanohydrogels are excellent biomaterials with broad applications in the areas of regenerative medicine, tissue engineering, and drug delivery due to certain advantages like biodegradability, biocompatibility, tunable mechanical strength, molecular binding abilities, and customizable responses to certain stimuli like ionic concentration, pH, and temperature. The present review aims to provide an insightful analysis of protein/peptide nanohydrogels including their preparation, biophysiochemical aspects, and applications in diverse disciplines like in drug delivery, immunotherapy, intracellular delivery, nutraceutical delivery, cell adhesion, and wound dressing. Naturally occurring structural proteins that are being explored in protein nanohydrogels, along with their unique properties, are also discussed briefly. Further, the review also covers the advantages, limitations, overview of clinical potential, toxicity aspects, stability issues, and future perspectives of protein nanohydrogels.
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Affiliation(s)
- Subhash Chander
- Amity Institute of Phytochemistry and Phytomedicine, Amity University, Noida, India
| | - Giriraj T. Kulkarni
- Amity Institute of Pharmacy, Amity University, Noida, India
- Gokaraju Rangaraju College of Pharmacy, Hyderabad, India
| | | | - Harsha Kharkwal
- Amity Institute of Phytochemistry and Phytomedicine, Amity University, Noida, India
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Gavrilova NA, Borzenok SA, Revishchin AV, Tishchenko OE, Ostrovkiy DS, Bobrova MM, Safonova LA, Efimov AE, Agapova OI, Agammedov MB, Pavlova GV, Agapov II. The effect of biodegradable silk fibroin-based scaffolds containing glial cell line-derived neurotrophic factor (GDNF) on the corneal regeneration process. Int J Biol Macromol 2021; 185:264-276. [PMID: 34119551 DOI: 10.1016/j.ijbiomac.2021.06.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 05/27/2021] [Accepted: 06/06/2021] [Indexed: 12/20/2022]
Abstract
Corneal injury due to ocular trauma or infection is one of the most challenging vision impairing pathologies. The aim of the work was to study the effect of biodegradable silk fibroin-based scaffolds containing GDNF on the corneal regeneration process. During cultivate the highest keratocytes proliferative activity was registered with scaffolds containing 250 ng/ml and 500 ng/ml GDNF. In mice with an experimental model of epithelial-stromal damage to the cornea, silk fibroin-based scaffolds containing GDNF in various concentrations were used (in groups 1, 2 and 3 silk fibroin-based scaffolds containing GDNF in a concentration of 50 ng/ml, 250 ng/ml and 500 ng/ml, respectively; in group 4 - silk fibroin-based scaffolds without GDNF; in group 5 - a solution of GDNF with concentration of 500 ng/ml; group 6- control). The area of the corneal epithelial defect in groups 2, 3, and 5 was less than in the other groups. The most pronounced positive immunohistochemical reaction with antibodies to Bcl2, Bax, phosphoERK1/2 and phospho-JNK1/2, Ki67, Gap43 was observed in groups 2 and 3. Thus, silk fibroin-based scaffolds with GDNF stimulate the epithelialization process, proliferative activity of epithelial cells and keratocytes, accelerate the formation of the stromal nerve plexus and exhibit anti-apoptotic activity.
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Affiliation(s)
- N A Gavrilova
- The A.I. Evdokimov Моscow State University of Medicine and Dentistry of the Ministry of Healthcare the Russian Federation, Moscow, Russian Federation
| | - S A Borzenok
- The A.I. Evdokimov Моscow State University of Medicine and Dentistry of the Ministry of Healthcare the Russian Federation, Moscow, Russian Federation; The S. Fyodorov Eye Microsurgery Federal State Institution, Moscow, Russian Federation
| | - A V Revishchin
- Institute of Gene Biology Russian Academy of Sciences, Moscow, Russian Federation
| | - O E Tishchenko
- The A.I. Evdokimov Моscow State University of Medicine and Dentistry of the Ministry of Healthcare the Russian Federation, Moscow, Russian Federation
| | - D S Ostrovkiy
- The S. Fyodorov Eye Microsurgery Federal State Institution, Moscow, Russian Federation
| | - M M Bobrova
- Academician V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - L A Safonova
- Academician V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - A E Efimov
- Academician V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - O I Agapova
- Academician V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - M B Agammedov
- The A.I. Evdokimov Моscow State University of Medicine and Dentistry of the Ministry of Healthcare the Russian Federation, Moscow, Russian Federation
| | - G V Pavlova
- Institute of Gene Biology Russian Academy of Sciences, Moscow, Russian Federation
| | - I I Agapov
- Academician V.I. Shumakov National Medical Research Center of Transplantology and Artificial Organs, Ministry of Health of the Russian Federation, Moscow, Russian Federation.
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Wu Q, He C, Wang X, Zhang S, Zhang L, Xie R, Li Y, Wang X, Han Z, Zheng Z, Li G. Sustainable Antibacterial Surgical Suture Using a Facile Scalable Silk-Fibroin-Based Berberine Loading System. ACS Biomater Sci Eng 2021; 7:2845-2857. [PMID: 34043327 DOI: 10.1021/acsbiomaterials.1c00481] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Medical sutures with sustainable antibacterial properties can effectively inhibit pathogens, thus avoiding the occurrence of surgical site infection and reducing the recurrence of patients resulting in postoperative death. This paper describes a facile scalable antibacterial surgical suture with sustainable antibacterial function and fair mechanical and biocompatible properties using a simple, efficient, and eco-friendly method. Silk filaments were braided into a core-shell structure using a braiding machine, and then silk fibroin (SF) films loaded with different percentages of berberine (BB) were coated onto the surface of the suture. The drug-loaded sutures performed a slow drug-release profile of more than 7 days. Retention of the knot-pull tensile strength of all groups was above 87% during in vitro degradation within 42 days. The sutures had no toxicity to the cells' in vitro cytotoxicity. The results of the in vivo biocompatibility test showed mild inflammation and clear signs of supporting angiogenesis in the implantation site of the rats. This work provides a new route for achieving a BB-loaded and high-performance antibacterial suture, which is of great potential in applications for surgical operations.
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Affiliation(s)
- Qinting Wu
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Chaoheng He
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Xuchen Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Shujun Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Li Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Ruijuan Xie
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Yi Li
- The School of Materials, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Xiaoqin Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Zhifen Han
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhaozhu Zheng
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Gang Li
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
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Gierej A, Geernaert T, Van Vlierberghe S, Dubruel P, Thienpont H, Berghmans F. Challenges in the Fabrication of Biodegradable and Implantable Optical Fibers for Biomedical Applications. MATERIALS 2021; 14:ma14081972. [PMID: 33920842 PMCID: PMC8071099 DOI: 10.3390/ma14081972] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/03/2021] [Accepted: 04/13/2021] [Indexed: 02/07/2023]
Abstract
The limited penetration depth of visible light in biological tissues has encouraged researchers to develop novel implantable light-guiding devices. Optical fibers and waveguides that are made from biocompatible and biodegradable materials offer a straightforward but effective approach to overcome this issue. In the last decade, various optically transparent biomaterials, as well as different fabrication techniques, have been investigated for this purpose, and in view of obtaining fully fledged optical fibers. This article reviews the state-of-the-art in the development of biocompatible and biodegradable optical fibers. Whilst several reviews that focus on the chemical properties of the biomaterials from which these optical waveguides can be made have been published, a systematic review about the actual optical fibers made from these materials and the different fabrication processes is not available yet. This prompted us to investigate the essential properties of these biomaterials, in view of fabricating optical fibers, and in particular to look into the issues related to fabrication techniques, and also to discuss the challenges in the use and operation of these optical fibers. We close our review with a summary and an outline of the applications that may benefit from these novel optical waveguides.
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Affiliation(s)
- Agnieszka Gierej
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
- Correspondence:
| | - Thomas Geernaert
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
| | - Sandra Van Vlierberghe
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
- Polymer Chemistry and Biomaterials Group (PBM), Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium;
| | - Peter Dubruel
- Polymer Chemistry and Biomaterials Group (PBM), Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium;
| | - Hugo Thienpont
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
| | - Francis Berghmans
- Brussels Photonics (B-PHOT), Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, B-1050 Brussels, Belgium; (T.G.); (S.V.V.); (H.T.); (F.B.)
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Stiffness-tuneable nanocarriers for controlled delivery of ASC-J9 into colorectal cancer cells. J Colloid Interface Sci 2021; 594:513-521. [PMID: 33774407 DOI: 10.1016/j.jcis.2021.03.086] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/02/2021] [Accepted: 03/14/2021] [Indexed: 12/18/2022]
Abstract
HYPOTHESIS One of the main challenges in cancer therapy is the poor water solubility of many anticancer drugs which results in low bioavailability at the tumour sites and reduced efficacy. The currently available polymer-based anticancer drug delivery systems often suffer from low encapsulation efficiency, uncontrolled release, and lack of long-term stability. Herein, we report the development of novel stiffness-tuneable core-shell nanocarriers composed of naturally derived polymers silk fibroin (SF) and sodium alginate (SA) inside a liposomal shell for enhanced cellular uptake and controlled release of hydrophobic anticancer agent ASC-J9 (Dimethylcurcumin). It is anticipated that the stiffness of the nanocarriers has a significant effect on their cellular uptake and anticancer efficacy. EXPERIMENTS The nanocarriers were prepared by thin film hydration method followed by extrusion and cross-linking of SA to obtain a uniform size and shape, avoiding harsh processing conditions. The structural transformation of SF in the nanocarriers induced by SA crosslinking was determined using Fourier transform infrared (FTIR) spectroscopy. The size, zeta potential, morphology and stiffness of the nanocarriers were measured using dynamic light scattering (DLS), transmission electron microscopy (TEM) and atomic force microscopy (AFM). Drug loading and release were measured using UV-Vis spectrophotometry. The cellular uptake and anticancer efficacy of the nanocarriers were studied in HCT 116 human colorectal adenocarcinoma cells and 3D tumour spheroids using high content microscopy. FINDINGS The synthesized nanocarriers had high encapsulation efficiency (62-78%) and were physically stable for up to 5 months at 4 ˚C. The release profile of the drug from the nanocarriers was directed by their stiffness and was easily tuneable by changing the ratio of SF to SA in the core. Furthermore, the designed nanocarriers improved the cellular uptake and anticancer activity of ASC-J9, and enhanced its tumour penetration in HCT 116 3D colorectal cancer spheroids. These findings suggest that the designed core-shell nanocarriers can be used as a highly efficient drug delivery system for cancer therapy.
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Kgomo H, Ncube S, Mhuka V, Kebede TG, Dube S, Nindi MM. A Comparative Study on the Dissolution of Argema mimosae Silk Fibroin and Fabrication of Films and Nanofibers. Polymers (Basel) 2021; 13:polym13040549. [PMID: 33673368 PMCID: PMC7918941 DOI: 10.3390/polym13040549] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/23/2021] [Accepted: 01/25/2021] [Indexed: 11/21/2022] Open
Abstract
Limited studies have been done on silk fibroins of wild silkworm species owing to their relative insolubility in many solvents. In this study, the solubility of Argema mimosae wild silk fibroin in different salts (LiBr, LiCl, Ca(NO3)2, and CaCl2) dissolved in formic acid under varying temperatures was investigated. The dissolution conditions under which the solubility was optimum were optimized using a central composite design approach. The optimum range for solvation of the fibroin were visualized using contour plots. The influence of temperature and salt concentration were found to significantly influence the solvation of the fibroin. Following the successful dissolution of the fibroin, the regenerated silk fibroin solutions were cast to obtain water insoluble films which were used in investigating optimum electrospinning conditions. Average nanofiber diameters in the 110–141 nm range were obtained under optimum electrospinning conditions. The silk forms were characterized using the FTIR, TGA, XRD, and SEM to understand their properties. The investigations revealed that formic acid—salt solvents were effective in the solvation of the wild silk fibroin. Some of the dissolution conditions induced mild effects on the silk fibroin while others were harsh. Furthermore, processing to nanofibers resulted in the degradation of the β-sheets producing nanofibers rich in α-helices. However, post-treatment using methanol and water vapor were effective in restoring β-sheet crystallinity.
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Development of robust, ultra-smooth, flexible and transparent regenerated silk composite films for bio-integrated electronic device applications. Int J Biol Macromol 2021; 176:498-509. [PMID: 33571588 DOI: 10.1016/j.ijbiomac.2021.02.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 02/05/2021] [Accepted: 02/06/2021] [Indexed: 01/21/2023]
Abstract
Regenerated Silk Fibroin (RSF) films are considered promising substrate candidates primarily in the field of bio-integrated electronic device applications. The key issues that ought to be addressed to exploit the inherent advantages of silk thin films include enhancing their flexibility and chemical durability. Such films find a plethora of applications, the significant one being conformal, transparent microelectrode arrays. Elevated temperatures that are regularly used in lithographic processes tend to dehydrate RSF films, making them brittle. Furthermore, the solvents/etchants used in typical device fabrication results in the formation of micro-cracks. This paper addressed both these issues by developing composite films and studying the effect of biodegradable additives in enhancing flexibility and chemical durability without compromising on optical transparency and surface smoothness. Through our rigorous experimentation, regenerated silk blended with Polyvinyl Alcohol (Silk/PVA) is identified as the composite for achieving the objectives. Furthermore, the Cyto-compatibility studies suggest that Silk/PVA, along with all other silk composites, have shown above 80% cell viability, as verified using L929 fibroblast cell lines. Going a step further, we demonstrated the successful patterning of 32 channel optically transparent microelectrode array (MEA) pattern, with a minimum feature size of 5 μm above the free-standing and optically transparent Silk/PVA composite film.
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Silk fibroin as a natural polymeric based bio-material for tissue engineering and drug delivery systems-A review. Int J Biol Macromol 2020; 163:2145-2161. [DOI: 10.1016/j.ijbiomac.2020.09.057] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 09/06/2020] [Accepted: 09/09/2020] [Indexed: 12/13/2022]
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35
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Lv S. Silk Fibroin-Based Materials for Catalyst Immobilization. Molecules 2020; 25:E4929. [PMID: 33114465 PMCID: PMC7663501 DOI: 10.3390/molecules25214929] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/10/2020] [Accepted: 10/20/2020] [Indexed: 11/17/2022] Open
Abstract
Silk fibroin is a widely and commercially available natural protein derived from silkworm cocoons. Thanks to its unique amino acid composition and structure, which lead to localized nanoscale pockets with limited but sufficient hydration for protein interaction and stabilization, silk fibroin has been studied in the field of enzyme immobilization. Results of these studies have demonstrated that silk fibroin offers an important platform for covalent and noncovalent immobilization of enzymes through serving as a stabilization matrix/support with high retention of the biological activity of the enzymes of interest. In the hope of providing suggestions for potential future research directions, this review has been written to briefly introduce and summarize key advances in silk fibroin-based materials for immobilization of both enzymes/biocatalysts (including alkaline phosphatase, β-glucosidase, glucose oxidase, lipase, urease, uricase, horseradish peroxidase, catalase, xanthine oxidase, tyrosinase, acetylcholinesterase, neutral protease, α-chymotrypsin, amylase, organophosphorus hydrolase, β-galactosidase, carbonic anhydrase, laccase, zymolyase, phenylalanine ammonia-lyase, thymidine kinase, and several others) and non-enzymatic catalysts (such as Au, Pd, Fe, α-Fe2O3, Fe3O4, TiO2, Pt, ZnO, CuO, Cu2O, Mn3O4, and MnO2).
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Affiliation(s)
- Shanshan Lv
- State Key Laboratory of Organic-Inorganic Composite Materials, College of Chemical Engineering, Beijing University of Chemical Technology, 15 BeisanhuanDong Road, Chaoyang District, Beijing 100029, China
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36
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Wenhao Z, Zhang T, Yan J, Li Q, Xiong P, Li Y, Cheng Y, Zheng Y. In vitro and in vivo evaluation of structurally-controlled silk fibroin coatings for orthopedic infection and in-situ osteogenesis. Acta Biomater 2020; 116:223-245. [PMID: 32889111 DOI: 10.1016/j.actbio.2020.08.040] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 08/20/2020] [Accepted: 08/26/2020] [Indexed: 01/19/2023]
Abstract
Biomedical device-associated infections (BAI) and osteosynthesis are two main complications following the orthopedic implant surgery, especially while infecting bacteria form a mature biofilm, which can protect the organisms from the host immune system and antibiotic therapy. Comparing with the single antibiotics therapeutic method, the combination of silver nanoparticles (AgNPs) and conventional antibiotics exert a high level of antibacterial activity. Nevertheless, one major issue that extremely restricts the potential application of AgNP/antiviotics is the uncontrolled release. Moreover, the lack of osteogenic ability may cause the osteosynthesis. Thus, herein we fabricated a structure-controlled drug-loaded silk fibroin (SF) coating that can achieve the size and release control of AgNPs and high efficient osteogenesis. Three comparative SF-based coatings were fabricated: α-structured coating (α-helices 32.7%,), m-structured coating (β-sheets 28.3%) and β-structured coating (β-sheets 41%). Owning to the high content of α-helices structure and small AgNPs (20 nm), α-structured coating displayed better protein adsorption and hydrophilicity, as well as pH-dependent and long-lasting antibacterial performance. In vitro studies demonstrated that α coating showed biocompatibility (cellular attachment, spreading and proliferation), high ALP expression, collagen secretion and calcium mineralization. Moreover, after one month subcutaneous implantation in vivo, α-structured coating elicited minimal, comparable inflammatory response. Additionally, in a rabbit femoral defect model, α-structured coating displayed a significant improvement on the generation of new-born bone and bonding between the new bone and the tissue, implying a rapid and durable osteointegration. Expectedly, this optimized structure-controlled SF-based coating can be an alternative and prospective solution for the current challenges in orthopedics. STATEMENT OF SIGNIFICANCE: In this study, an AgNPs/Gentamycin-loaded structured-controlled silk fibroin coatings were constructed on Ti implant's surface to guarantee the success of implantation even in the face of bacterial infection. In comparison, the α-structured coating had the lowest content of β-sheets structure (19.0%) and the smallest particle size of AgNPs (~ 20 nm), and owned pH-responsive characteristic due to reversible α-helices structural. Thanks to pH-responsive release of Ag+, the α-structure coating could effectively inhibit adhesive bacteria and kill planktonic bacteria by releasing a large amount of reactive oxygen radicals. Through in vitro biological results (cell proliferation, differentiation and osteogenic gene expression) and in vivo rabbit femur implantation results, the α-structure coating had good biocompatible and osteogenic properties.
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Affiliation(s)
- Zhou Wenhao
- Northwest Institute for Nonferrous Metal Research, Xi'an 710016, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Teng Zhang
- Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China
| | - Jianglong Yan
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - QiYao Li
- Department of Biomedical Engineering, Materials Research Institute, Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, PA 16802, United States
| | - Panpan Xiong
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Yangyang Li
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Yan Cheng
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.
| | - Yufeng Zheng
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China; Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China.
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Dorishetty P, Dutta NK, Choudhury NR. Silk fibroins in multiscale dimensions for diverse applications. RSC Adv 2020; 10:33227-33247. [PMID: 35515035 PMCID: PMC9056751 DOI: 10.1039/d0ra03964k] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 08/18/2020] [Indexed: 12/17/2022] Open
Abstract
Silk biomaterials in different forms such as particles, coatings and their assemblies, represent unique type of materials in multiple scales and dimensions. Herein, we provide an overview of multi-scale silk fibroin materials including silk particles, silk coatings and silk assemblies, each of which represents a unique type of material with wide range of applications. They feature tunable structures and mechanical properties with excellent biocompatibility, which are essentially required for various biomedical and drug delivery applications. The review focuses on bringing a new perspective on the utilization of regenerated silk fibroins in modern biomedicine by beginning with the fabrication of silk in multiscale dimensions and their state-of-the-art applications in various biomedical and bioelectronic fields. It covers the fundamentals of processing silk fibroins in multi-dimensions (sizes and shapes) with a specific emphasis on its structural tunability at various length scales (nano-micro) by using the latest fabrication methods/mechanisms and advanced fabrication technologies, followed by their recent applications in diverse fields of biomedicine.
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Affiliation(s)
- Pramod Dorishetty
- School of Engineering, RMIT University Melbourne Victoria 3000 Australia
| | - Naba K Dutta
- School of Engineering, RMIT University Melbourne Victoria 3000 Australia
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Kambe Y, Mizoguchi Y, Kuwahara K, Nakaoki T, Hirano Y, Yamaoka T. Beta-sheet content significantly correlates with the biodegradation time of silk fibroin hydrogels showing a wide range of compressive modulus. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109240] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Abasian P, Ghanavati S, Rahebi S, Nouri Khorasani S, Khalili S. Polymeric nanocarriers in targeted drug delivery systems: A review. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5031] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Payam Abasian
- Department of Chemical Engineering Isfahan University of Technology Isfahan Iran
| | - Sonya Ghanavati
- Laboratory of Solution Chemistry of Advanced Materials and Technologies ITMO University St. Petersburg Russian Federation
| | - Saeed Rahebi
- Department of Renewable Energies University of Tehran Tehran Iran
| | | | - Shahla Khalili
- Department of Chemical Engineering Isfahan University of Technology Isfahan Iran
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40
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Kaushik S, Thungon PD, Goswami P. Silk Fibroin: An Emerging Biocompatible Material for Application of Enzymes and Whole Cells in Bioelectronics and Bioanalytical Sciences. ACS Biomater Sci Eng 2020; 6:4337-4355. [PMID: 33455178 DOI: 10.1021/acsbiomaterials.9b01971] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Enzymes and whole cells serve as the active biological entities in a myriad of applications including bioprocesses, bioanalytics, and bioelectronics. Conserving the natural activity of these functional biological entities during their prolonged use is one of the major goals for validating their practical applications. Silk fibroin (SF) has emerged as a biocompatible material to interface with enzymes as well as whole cells. These biomaterials can be tailored both physically and chemically to create excellent scaffolds of different forms such as fibers, films, and powder for immobilization and stabilization of enzymes. The secondary structures of the SF-protein can be attuned to generate hydrophobic/hydrophilic pockets suitable to create the biocompatible microenvironments. The fibrous nature of the SF protein with a dominant hydrophobic property may also serve as an excellent support for promoting cellular adhesion and growth. This review compiles and discusses the recent literature on the application of SF as a biocompatible material at the interface of enzymes and cells in various fields, including the emerging area of bioelectronics and bioanalytical sciences.
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Affiliation(s)
- Sharbani Kaushik
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43201, United States
| | - Phurpa Dema Thungon
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Pranab Goswami
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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Parushuram N, Ranjana R, Narayana B, Mahendra M, Sangappa Y. Facile fabrication of silk fibroin microparticles: their characterization and potential adsorption study. J DISPER SCI TECHNOL 2020. [DOI: 10.1080/01932691.2020.1774383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- N. Parushuram
- Department of Studies in Physics, Mangalore University, Mangalore, Karnataka, India
| | - R. Ranjana
- Department of Studies in Physics, Mangalore University, Mangalore, Karnataka, India
| | - B. Narayana
- Department of Studies in Chemistry, Mangalore University, Mangalore, Karnataka, India
| | - M. Mahendra
- Department of Studies in Physics, University of Mysore, Mysore, Karnataka, India
| | - Y. Sangappa
- Department of Studies in Physics, Mangalore University, Mangalore, Karnataka, India
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42
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Siavashani AZ, Mohammadi J, Rottmar M, Senturk B, Nourmohammadi J, Sadeghi B, Huber L, Maniura-Weber K. Silk fibroin/sericin 3D sponges: The effect of sericin on structural and biological properties of fibroin. Int J Biol Macromol 2020; 153:317-326. [DOI: 10.1016/j.ijbiomac.2020.02.316] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/16/2020] [Accepted: 02/26/2020] [Indexed: 12/19/2022]
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43
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Patil S, Dhyani V, Kaur T, Singh N. Spatiotemporal Control over Cell Proliferation and Differentiation for Tissue Engineering and Regenerative Medicine Applications Using Silk Fibroin Scaffolds. ACS APPLIED BIO MATERIALS 2020; 3:3476-3493. [DOI: 10.1021/acsabm.0c00305] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Smita Patil
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Vartika Dhyani
- Department of Chemistry, Ben Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Tejinder Kaur
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Neetu Singh
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
- Biomedical Engineering Unit, All India Institute of Medical Sciences, New Delhi 110029, India
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Higher Gene Expression Related to Wound Healing by Fibroblasts on Silk Fibroin Biomaterial than on Collagen. Molecules 2020; 25:molecules25081939. [PMID: 32331316 PMCID: PMC7221890 DOI: 10.3390/molecules25081939] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 01/01/2023] Open
Abstract
Silk fibroin (SF), which offers the benefits of biosafety, biocompatibility, and mechanical strength, has potential for use as a good biomedical material, especially in the tissue engineering field. This study investigated the use of SF biomaterials as a wound dressing compared to commercially available collagen materials. After human fibroblasts (WI-38) were cultured on both films and sponges, their cell motilities and gene expressions related to wound repair and tissue reconstruction were evaluated. Compared to the collagen film (Col film), the SF film induced higher cell motility; higher expressions of genes were observed on the SF film. Extracellular matrix production-related genes were up-regulated in WI-38 fibroblasts cultured on the SF sponges. These results suggest that SF-based biomaterials can accelerate wound healing and tissue reconstruction. They can be useful biomaterials for functional wound dressings.
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45
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Wang HY, Zhang YQ, Wei ZG. Excess acetone extraction in silk protein solution greatly accelerates the regeneration progress of silk fibroin for desalting and purification. Int J Biol Macromol 2020; 146:588-595. [DOI: 10.1016/j.ijbiomac.2019.12.274] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/05/2019] [Accepted: 12/31/2019] [Indexed: 02/01/2023]
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46
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Molecular insight into silk fibroin based delivery vehicle for amphiphilic drugs: Synthesis, characterization and molecular dynamics studies. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112156] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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47
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Zakeri Siavashani A, Mohammadi J, Maniura-Weber K, Senturk B, Nourmohammadi J, Sadeghi B, Huber L, Rottmar M. Silk based scaffolds with immunomodulatory capacity: anti-inflammatory effects of nicotinic acid. Biomater Sci 2020; 8:148-162. [DOI: 10.1039/c9bm00814d] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Here we show that 3D silk scaffolds loaded with nicotinic acid have great potential for tissue engineering due to their excellent cytocompatibility and ability to decrease the expression of proinflammatory markers in a concentration dependent manner.
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Affiliation(s)
| | - Javad Mohammadi
- Faculty of New Sciences and Technologies
- University of Tehran
- Tehran
- Iran
| | - Katharina Maniura-Weber
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- Biointerfaces
- St.Gallen
- Switzerland
| | - Berna Senturk
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- Biointerfaces
- St.Gallen
- Switzerland
| | | | - Behnam Sadeghi
- Translational Cell therapy Research (TCR)
- Department of CLINTEC
- Karolinska Institutet
- Stockholm
- Sweden
| | - Lukas Huber
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- Laboratory for Building Energy Materials and Components
- Dübendorf
- Switzerland
| | - Markus Rottmar
- Empa
- Swiss Federal Laboratories for Materials Science and Technology
- Biointerfaces
- St.Gallen
- Switzerland
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48
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Luetchford KA, Chaudhuri JB, De Bank PA. Silk fibroin/gelatin microcarriers as scaffolds for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 106:110116. [PMID: 31753329 PMCID: PMC6891254 DOI: 10.1016/j.msec.2019.110116] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 06/06/2019] [Accepted: 08/22/2019] [Indexed: 01/26/2023]
Abstract
Microcarrier cell scaffolds have potential as injectable cell delivery vehicles or as building blocks for tissue engineering. The use of small cell carriers allows for a 'bottom up' approach to tissue assembly when moulding microparticles into larger structures, which can facilitate the introduction of hierarchy by layering different matrices and cell types, while evenly distributing cells through the structure. In this work, silk fibroin (SF), purified from Bombyx mori cocoons, was blended with gelatin (G) to produce materials composed of varying ratios of the two components (SF: G 25:75, 50:50, and 75:25). Cell compatibility to these materials was first confirmed in two-dimensional culture and found to be equivalent to standard tissue culture plastic, and better than SF or G alone. The mechanical properties of the blends were investigated and the blended materials were found to have increased Young's moduli over SF alone. Microcarriers of SF/G blends with defined diameters were generated in a reproducible manner through the use of an axisymmetric flow focussing device, constructed from off-the-shelf parts and fittings. These SF/G microcarriers supported adhesion of rat mesenchymal stem cells with high degrees of efficiency under dynamic culture conditions and, after culturing in osteogenic differentiation medium, cells were shown to have characteristics typical of osteoblasts. This work illustrates that microcarriers composed of SF/G blends are promising building blocks for osteogenic tissue engineering.
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Affiliation(s)
- Kim A Luetchford
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK
| | - Julian B Chaudhuri
- Department of Chemical Engineering, University of Bath, Bath, BA2 7AY, UK
| | - Paul A De Bank
- Department of Pharmacy & Pharmacology, University of Bath, Bath, BA2 7AY, UK.
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Potential for combined delivery of riboflavin and all-trans retinoic acid, from silk fibroin for corneal bioengineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110093. [DOI: 10.1016/j.msec.2019.110093] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 08/08/2019] [Accepted: 08/15/2019] [Indexed: 12/20/2022]
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50
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Nguyen TP, Nguyen QV, Nguyen VH, Le TH, Huynh VQN, Vo DVN, Trinh QT, Kim SY, Le QV. Silk Fibroin-Based Biomaterials for Biomedical Applications: A Review. Polymers (Basel) 2019; 11:E1933. [PMID: 31771251 PMCID: PMC6960760 DOI: 10.3390/polym11121933] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 11/22/2019] [Accepted: 11/22/2019] [Indexed: 12/29/2022] Open
Abstract
Since it was first discovered, thousands of years ago, silkworm silk has been known to be an abundant biopolymer with a vast range of attractive properties. The utilization of silk fibroin (SF), the main protein of silkworm silk, has not been limited to the textile industry but has been further extended to various high-tech application areas, including biomaterials for drug delivery systems and tissue engineering. The outstanding mechanical properties of SF, including its facile processability, superior biocompatibility, controllable biodegradation, and versatile functionalization have allowed its use for innovative applications. In this review, we describe the structure, composition, general properties, and structure-properties relationship of SF. In addition, the methods used for the fabrication and modification of various materials are briefly addressed. Lastly, recent applications of SF-based materials for small molecule drug delivery, biological drug delivery, gene therapy, wound healing, and bone regeneration are reviewed and our perspectives on future development of these favorable materials are also shared.
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Affiliation(s)
- Thang Phan Nguyen
- Laboratory of Advanced Materials Chemistry, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam;
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
| | - Quang Vinh Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;
| | - Van-Huy Nguyen
- Key Laboratory of Advanced Materials for Energy and Environmental Applications, Lac Hong University, Bien Hoa 810000, Vietnam;
| | - Thu-Ha Le
- Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University–Ho Chi Minh City (VNU–HCM), 268 Ly Thuong Kiet, District 10, Ho Chi Minh City 700000, Vietnam;
| | - Vu Quynh Nga Huynh
- The Faculty of Pharmacy, Duy Tan University, 03 Quang Trung, Danang 550000, Vietnam;
| | - Dai-Viet N. Vo
- Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN), Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City 755414, Vietnam;
| | - Quang Thang Trinh
- Cambridge Centre for Advanced Research and Education in Singapore (CARES), Campus for Research Excellence and Technological Enterprise (CREATE), 1 Create Way, Singapore 138602, Singapore;
| | - Soo Young Kim
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
| | - Quyet Van Le
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;
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