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Wang J, Liu H, Shi X, Qin S, Liu J, Lv Q, Liu J, Li Q, Wang Z, Wang L. Development and Application of an Advanced Biomedical Material-Silk Sericin. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2311593. [PMID: 38386199 DOI: 10.1002/adma.202311593] [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: 11/02/2023] [Revised: 01/18/2024] [Indexed: 02/23/2024]
Abstract
Sericin, a protein derived from silkworm cocoons, is considered a waste product derived from the silk industry for thousands of years due to a lack of understanding of its properties. However, in recent decades, a range of exciting properties of sericin are studied and uncovered, including cytocompatibility, low-immunogenicity, photo-luminescence, antioxidant properties, as well as cell-function regulating activities. These properties make sericin-based biomaterials promising candidates for biomedical applications. This review summarizes the properties and bioactivities of silk sericin and highlights the latest developments in sericin in tissue engineering and regenerative medicine. Furthermore, the extended application of sericin in developing flexible electronic devices and 3D bioprinting is also discussed. It is believed that sericin-based biomaterials have great potential of being developed into novel tissue engineering products and smart implantable devices for various medical applications toward improving clinical outcomes.
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Affiliation(s)
- Jian Wang
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Huan Liu
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaolei Shi
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Sumei Qin
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jingwei Liu
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qiying Lv
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jia Liu
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qilin's Li
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zheng Wang
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Department of Gastrointestinal Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lin Wang
- Department of Clinical Laboratory, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
- Hubei Key Laboratory of Regenerative Medicine and Multi-disciplinary Translational Research, Hubei Provincial Engineering Research Center of Clinical Laboratory and Active Health Smart Equipment, Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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Saad M, El-Samad LM, Gomaa RA, Augustyniak M, Hassan MA. A comprehensive review of recent advances in silk sericin: Extraction approaches, structure, biochemical characterization, and biomedical applications. Int J Biol Macromol 2023; 250:126067. [PMID: 37524279 DOI: 10.1016/j.ijbiomac.2023.126067] [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: 02/19/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/02/2023]
Abstract
Silks are natural polymers that have been widely used for centuries. Silk consists of a filament core protein, termed fibroin, and a glue-like coating substance formed of sericin (SER) proteins. This protein is extracted from the silkworm cocoons (particularly Bombyx mori) and is mainly composed of amino acids like glycine, serine, aspartic acid, and threonine. Silk SER can be obtained using numerous methods, including enzymatic extraction, high-temperature, autoclaving, ethanol precipitation, cross-linking, and utilizing acidic, alkali, or neutral aqueous solutions. Given the versatility and outstanding properties of SER, it is widely fabricated to produce sponges, films, and hydrogels for further use in diverse biomedical applications. Hence, many authors reported that SER benefits cell proliferation, tissue engineering, and skin tissue restoration thanks to its moisturizing features, antioxidant and anti-inflammatory properties, and mitogenic effect on mammalian cells. Remarkably, SER is used in drug delivery depending on its chemical reactivity and pH-responsiveness. These unique features of SER enhance the bioactivity of drugs, facilitating the fabrication of biomedical materials at nano- and microscales, hydrogels, and conjugated molecules. This review thoroughly outlines the extraction techniques, biological properties, and respective biomedical applications of SER.
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Affiliation(s)
- Marwa Saad
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Lamia M El-Samad
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Rehab A Gomaa
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Maria Augustyniak
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Bankowa 9, 40-007 Katowice, Poland
| | - Mohamed A Hassan
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934 Alexandria, Egypt.
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Unzai T, Washisaka T, Tabata Y. An artificial silk elastin-like protein modifies the polarization of human macrophages line THP-1. J Biomater Appl 2023; 38:361-371. [PMID: 37494553 DOI: 10.1177/08853282231192186] [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] [Indexed: 07/28/2023]
Abstract
A silk elastin-like protein (SELP) is an artificial compound with silk fibroin-like and elastin-like tandem repeats. The objective of this study is to evaluate the influence of SELP on the polarization of human monocytoma cell line (THP-1)-derived macrophages. When the macrophages of inflammation-type (M1) were cultured with different concentrations of SELP solution, the secretion of a pro-inflammatory cytokine, tumor necrotizing factor (TNF) -α was significantly suppressed at the higher concentrations. In addition, the secretion of an anti-inflammation cytokine, interleukin (IL)-10, was significantly enhanced from the macrophage of M0-, M1-, and M2-types. By the incubation with soluble SELP, the morphology of M2-type macrophages changed to be of an extended shape. Following incubation with the sponge of SELP, M0-type macrophages secreted IL-10 with time. It is concluded that the SELP itself in solution has an ability to induce the anti-inflammation of M2-type macrophages.
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Affiliation(s)
- Tomo Unzai
- Laboratory of Biomaterials, Kyoto University Institute for Life and Medical Sciences, Kyoto, Japan
| | - Taichi Washisaka
- Laboratory of Biomaterials, Kyoto University Institute for Life and Medical Sciences, Kyoto, Japan
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Kyoto University Institute for Life and Medical Sciences, Kyoto, Japan
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Kim YE, Bae YJ, Jang MJ, Um IC. Effect of Sericin Content on the Structural Characteristics and Properties of New Silk Nonwoven Fabrics. Biomolecules 2023; 13:1186. [PMID: 37627251 PMCID: PMC10452508 DOI: 10.3390/biom13081186] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Recently, natural silk nonwoven fabrics have attracted attention in biomedical and cosmetic applications because of their excellent biocompatibility, mechanical properties, and easy preparation. Herein, silk nonwoven fabrics were prepared by carding silk filaments to improve their productivity, and the effect of sericin content on the structure and properties of silk nonwoven fabrics was investigated. Owing to the binding effect of sericin in silk, a natural silk nonwoven fabric was successfully prepared through carding, wetting, and hot press treatments. Sericin content affected the structural characteristics and properties of the silk nonwoven fabrics. As the sericin content increased, the silk nonwoven fabrics became more compact with reduced porosity and thickness. Further, with increasing sericin content, the crystallinity and elongation of the silk nonwoven fabrics decreased while the moisture regain and the maximum stress increased. The thermal stability of most silk nonwoven fabrics was not affected by the sericin content. However, silk nonwoven fabrics without sericin had a lower thermal decomposition temperature than other nonwoven fabrics. Regardless of the sericin content, all silk nonwoven fabrics exhibited optimal cell viability and are promising candidates for cosmetic and biomedical applications.
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Affiliation(s)
- Ye Eun Kim
- Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Republic of Korea (Y.J.B.)
| | - Yu Jeong Bae
- Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Republic of Korea (Y.J.B.)
| | - Mi Jin Jang
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - In Chul Um
- Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Republic of Korea (Y.J.B.)
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Settembrini A, Buongiovanni G, Settembrini P, Alessandrino A, Freddi G, Vettor G, Martelli E. In-vivo evaluation of silk fibroin small-diameter vascular grafts: state of art of preclinical studies and animal models. Front Surg 2023; 10:1090565. [PMID: 37304180 PMCID: PMC10254405 DOI: 10.3389/fsurg.2023.1090565] [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: 11/05/2022] [Accepted: 05/09/2023] [Indexed: 06/13/2023] Open
Abstract
Autologous vein and artery remains the first choice for vascular grafting procedures in small-diameter vessels such as coronary and lower limb districts. Unfortunately, these vessels are often found to be unsuitable in atherosclerotic patients due to the presence of calcifications or to insufficient size. Synthetic grafts composed of materials such as expanded polytetrafluoroethylene (ePTFE) are frequently employed as second choice, because of their widespread availability and success in the reconstruction of larger arteries. However, ePTFE grafts with small diameter are plagued by poor patency rates due to surface thrombogenicity and intimal hyperplasia, caused by the bioinertness of the synthetic material and aggravated by low flow conditions. Several bioresorbable and biodegradable polymers have been developed and tested to exploit such issues for their potential stimulation to endothelialization and cell infiltration. Among these, silk fibroin (SF) has shown promising pre-clinical results as material for small-diameter vascular grafts (SDVGs) because of its favorable mechanical and biological properties. A putative advantage in graft infection in comparison with synthetic materials is plausible, although it remains to be demonstrated. Our literature review will focus on the performance of SF-SDVGs in vivo, as evaluated by studies performing vascular anastomosis and interposition procedures, within small and large animal models and different arterial districts. Efficiency under conditions that more accurately mime the human body will provide encouraging evidence towards future clinical applications.
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Affiliation(s)
- Alberto Settembrini
- Department of Vascular Surgery, Foundation IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Gianluca Buongiovanni
- Postgraduate School of Vascular Surgery, Università Degli Studi di Milano, Milan, Italy
| | - Piergiorgio Settembrini
- Department of Biomedical and Clinical Sciences, L. Sacco University Hospital, Università degli Studi di Milano, Milan, Italy
| | | | | | - Giulia Vettor
- Heart Rhythm Center, Department of Clinical Electrophysiology and Cardiac Pacing, IRCCS Monzino Cardiology Center, Milan, Italy
| | - Eugenio Martelli
- Department of General and Specialist Surgery, Sapienza University of Rome, Rome, Italy
- Saint Camillus International University of Health Sciences, Rome, Italy
- Division of Vascular Surgery, S. Anna and S. Sebastiano Hospital, Caserta, Italy
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Duarte AC, Costa EC, Filipe HAL, Saraiva SM, Jacinto T, Miguel SP, Ribeiro MP, Coutinho P. Animal-derived products in science and current alternatives. BIOMATERIALS ADVANCES 2023; 151:213428. [PMID: 37146527 DOI: 10.1016/j.bioadv.2023.213428] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 04/08/2023] [Accepted: 04/11/2023] [Indexed: 05/07/2023]
Abstract
More than fifty years after the 3Rs definition and despite the continuous implementation of regulatory measures, animals continue to be widely used in basic research. Their use comprises not only in vivo experiments with animal models, but also the production of a variety of supplements and products of animal origin for cell and tissue culture, cell-based assays, and therapeutics. The animal-derived products most used in basic research are fetal bovine serum (FBS), extracellular matrix proteins such as Matrigel™, and antibodies. However, their production raises several ethical issues regarding animal welfare. Additionally, their biological origin is associated with a high risk of contamination, resulting, frequently, in poor scientific data for clinical translation. These issues support the search for new animal-free products able to replace FBS, Matrigel™, and antibodies in basic research. In addition, in silico methodologies play an important role in the reduction of animal use in research by refining the data previously to in vitro and in vivo experiments. In this review, we depicted the current available animal-free alternatives in in vitro research.
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Affiliation(s)
- Ana C Duarte
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal; CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, 6200-506 Covilhã, Portugal
| | - Elisabete C Costa
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal
| | - Hugo A L Filipe
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal
| | - Sofia M Saraiva
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal
| | - Telma Jacinto
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal
| | - Sónia P Miguel
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal; CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, 6200-506 Covilhã, Portugal
| | - Maximiano P Ribeiro
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal; CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, 6200-506 Covilhã, Portugal
| | - Paula Coutinho
- CPIRN/IPG - Centro de Potencial e Inovação em Recursos Naturais, Instituto Politécnico da Guarda (CPIRN/IPG), 6300-559 Guarda, Portugal; CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, 6200-506 Covilhã, Portugal.
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Unzai T, Washisaka T, Tabata Y. An Artificial Silk Elastin-Like Protein Modifies the Polarization of Macrophages. ACS APPLIED BIO MATERIALS 2022; 5:5657-5664. [PMID: 36445042 DOI: 10.1021/acsabm.2c00701] [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] [Indexed: 12/02/2022]
Abstract
A silk elastin-like protein (SELP) is an artificial compound with silk fibroin-like and elastin-like tandem repeats. The objective of this study is to evaluate the influence of SELP on the polarization of mouse bone marrow-derived macrophages. When the macrophages of inflammation-type (M1) were cultured with different concentrations of SELP solution, the secretion of a pro-inflammatory cytokine, tumor necrotizing factor (TNF)-α, was significantly suppressed at the higher concentrations. In addition, the secretion of an anti-inflammation cytokine, interleukin (IL)-10, was significantly enhanced from the macrophage of an original type (M0). By the incubation with soluble SELP, the morphology of M0- and M1-type macrophages changed to be of a round shape with a large size. Following incubation with the sponge of SELP, the M0-type macrophages secreted IL-10 with time. When injected into an air pouch of mice subcutis which had been prepared by the injection of air, the SELP sponge and 5 wt % of SELP solution induced IL-10 secretion to a significantly high extent compared with the saline injection. Cells isolated from the air pouch 24 h after the injection were stained by the CD206 of a M2 marker. It is concluded that the SELP itself in solution has an ability to induce the anti-inflammation M2-type macrophages.
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Affiliation(s)
- Tomo Unzai
- Laboratory of Biomaterials, Institute for Life and Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Taichi Washisaka
- Laboratory of Biomaterials, Institute for Life and Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yasuhiko Tabata
- Laboratory of Biomaterials, Institute for Life and Medical Sciences, Kyoto University, 53 Kawara-cho Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
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Sabarees G, Tamilarasi G, Velmurugan V, Alagarsamy V, Sibuh BZ, Sikarwar M, Taneja P, Kumar A, Gupta PK. Emerging trends in silk fibroin based nanofibers for impaired wound healing. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ashouri Sharafshadeh S, Mehdinavaz Aghdam R, Akhlaghi P, Heirani-Tabasi A. Amniotic membrane/silk fibroin-alginate nanofibrous scaffolds containing Cu-based metal organic framework for wound dressing. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2120876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Sina Ashouri Sharafshadeh
- School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | | | - Parisa Akhlaghi
- School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Asieh Heirani-Tabasi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Cardiovascular, Tehran Heart Center Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Guo K, Zhang X, Zhao D, Qin L, Jiang W, Hu W, Liu X, Xia Q, Dong Z, Zhao P. Identification and characterization of sericin5 reveals non-cocoon silk sericin components with high β-sheet content and adhesive strength. Acta Biomater 2022; 150:96-110. [PMID: 35902035 DOI: 10.1016/j.actbio.2022.07.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 07/03/2022] [Accepted: 07/10/2022] [Indexed: 11/01/2022]
Abstract
Sericins are glue proteins on the surface of silk fibers. Four sericins have been characterized in silkworm, namely sericin1 (Ser1), sericin2 (Ser2), sericin3 (Ser3), and sericin4 (Ser4). In this study, we report a novel sericin, sericin5 (Ser5), which exists only in non-cocoon silk. We describe the sequence, exon-intron structure, and translation products of Ser5 in Bombyx mori. The Ser5 gene is approximately 22-kb long and comprises 16 exons. Ser5 protein has a size of 260 kDa, as determined by SDS-PAGE, western blot, and LC-MS/MS. Immunofluorescence analysis revealed that Ser5 co-localizes with Ser1 in the sericin layer. The expression pattern of Ser5 was detected at the transcriptional and translational levels. We systematically analyzed and compared the amino acid composition, repeat regions, and hydrophilicity of silkworm sericins. Morphological observations showed that non-cocoon silk had more sericin than cocoon silk. Circular dichroism spectra revealed that non-cocoon silk sericin contained more β-sheet structures than cocoon silk sericin. In addition, we found that the hydrophilicity and adhesive strength of native sericin increases gradually from the inner layer to the outer layer. This research enhances our understanding of various sericins from cocoon silk and non-cocoon silk with regard to their expression patterns, hydrophilicity, secondary structure and adhesive performances. STATEMENT OF SIGNIFICANCE: : Sericin is a natural biomaterial with diverse biological properties, which has long been used as tissue engineering and biomedical applications. However, the composition and distribution of sericins in different kinds of silk are still uncertain, and the properties difference between sericins have not yet been reported. Our study makes a significant contribution to the literature as it identifies the sequence, composition, hydrophilicity and adhesive property of sericins. Moreover, it provides key insights into the structure-function and function-distribution relationships associated with sericins. We believe that this study will arouse the interest to the readership of your journal as it identifies the new complete sequence of sericin and revealed the composition and properties of sericin, thus highlighting their future potentials applications in both the biomaterial and technical fields.
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Affiliation(s)
- Kaiyu Guo
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China
| | - Xiaolu Zhang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China
| | - Dongchao Zhao
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China
| | - Lixia Qin
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China
| | - Wenchao Jiang
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China
| | - Wenbo Hu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China
| | - Xiao Liu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China
| | - Qingyou Xia
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China
| | - Zhaoming Dong
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China.
| | - Ping Zhao
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China; Biological Science Research Center, Southwest University, Chongqing 400716, China.; Chongqing Engineering and Technology Research Center for Novel Silk Materials, Southwest University, Chongqing 400716, China; Chongqing Key Laboratory of Sericulture, Southwest University, Chongqing 400716, China.; Sericulture Genome and Biotechnology Engineering Laboratory, Chongqing 400716, China.
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Silk/Rayon Webs and Nonwoven Fabrics: Fabrication, Structural Characteristics, and Properties. Int J Mol Sci 2022; 23:ijms23147511. [PMID: 35886857 PMCID: PMC9321737 DOI: 10.3390/ijms23147511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/05/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
Silk is a naturally occurring material and has been widely used in biomedical and cosmetic applications owing to its unique properties, including blood compatibility, excellent cytocompatibility, and a low inflammatory response in the body. A natural silk nonwoven fabric with good mechanical properties was recently developed using the binding property of sericin. In this study, silk/rayon composite nonwoven fabrics were developed to increase productivity and decrease production costs, and the effect of the silk/rayon composition on the structure and properties of the fabric was examined. The crystalline structure of silk and rayon was maintained in the fabric. As the silk content increased, the porosity and moisture regain of the silk/rayon web and nonwoven fabric decreased. As the silk content increased, the maximum stress of the web and nonwoven fabric increased, and the elongation decreased. Furthermore, the silk/rayon web exhibited the highest values of maximum stress and elongation at ~200 °C. Regardless of the silk/rayon composition, all silk/rayon nonwoven fabrics showed good cytocompatibility. Thus, the silk/rayon fabric is a promising material for cosmetic and biomedical applications owing to its diverse properties and high cell viability.
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Remadevi R, AV Morton D, Hapgood K, Rashida N, Rajkhowa R. Improving the dynamic properties of silk particles by co-spray drying with L-leucine. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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13
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Silk sericin/PLGA electrospun scaffolds with anti-inflammatory drug-eluting properties for periodontal tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2022; 133:112723. [DOI: 10.1016/j.msec.2022.112723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/22/2022] [Accepted: 02/15/2022] [Indexed: 12/13/2022]
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14
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Chen HW, Lin MF, Lai YH, Chen BY. Skin-friendly dressing with alcohols treatment for enhancement of mechanical and biocompatible properties. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.09.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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15
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Vineis C, Cruz Maya I, Mowafi S, Varesano A, Sánchez Ramírez DO, Abou Taleb M, Tonetti C, Guarino V, El-Sayed H. Synergistic effect of sericin and keratin in gelatin based nanofibers for in vitro applications. Int J Biol Macromol 2021; 190:375-381. [PMID: 34499951 DOI: 10.1016/j.ijbiomac.2021.09.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/26/2021] [Accepted: 09/01/2021] [Indexed: 11/18/2022]
Abstract
Protein-based nanomaterials are gaining growing interest in biomedical field. The present paper evaluates the physico-chemical properties of electrospun nanofibers resulting from the combination of gelatin with keratin (from wool) and sericin (from silk) to validate their use for in vitro interaction studies. We demonstrated that that presence of sericin influences the fiber morphology at macroscopic level - i.e., wide diameter distributions by SEM and image analysis - with effects on chemical - i.e., a decrease of hydrogen bonds of NH groups verified by infrared spectroscopy - and thermal behavior of electrospun nanofibers, in comparison with gelatin-based ones. Moreover, we verified that sericin, in combination with keratin macromolecules, can amplify the biochemical signal of gelatin, improving the in-vitro stability of gelatin-based nanofibers. In vitro results confirm a synergistic effect of sericin and keratin on human Mesenchymal Stem Cells (hMSC) proliferation - increase over 50% respect to other types - associated to the enhancement of in vitro stability directly ascribable to the peculiar physical interaction among the proteins. These findings suggest the use of sericin/keratin/gelatin enriched electrospun fibers as nanostructured platforms for interface tissue engineering.
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Affiliation(s)
- C Vineis
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - I Cruz Maya
- CNR-IPCB (National Research Council - Institute for Polymers, Composites and Biomaterials), Mostra d'Oltremare, Pad. 20, V.le J.F. Kennedy 54, 80125 Napoli, Italy
| | - S Mowafi
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
| | - A Varesano
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy.
| | - D O Sánchez Ramírez
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - M Abou Taleb
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
| | - C Tonetti
- CNR-STIIMA (National Research Council - Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing), Corso Giuseppe Pella 16, 13900 Biella, Italy
| | - V Guarino
- CNR-IPCB (National Research Council - Institute for Polymers, Composites and Biomaterials), Mostra d'Oltremare, Pad. 20, V.le J.F. Kennedy 54, 80125 Napoli, Italy.
| | - H El-Sayed
- National Research Centre, Textile Industries Research Division, El-Behouth St. 33, 12622-Dokki, Giza, Egypt
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Pandiyan R, Sugumaran A, Samiappan S, Sengottaiyan P, Ayyaru S, Dharmaraj S, Ashokkumar V, Pugazhendhi A. Fabrication and characterization of in vitro 2D skin model – An attempt to establish scaffold for tissue engineering. Process Biochem 2021. [DOI: 10.1016/j.procbio.2021.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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17
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Troy E, Tilbury MA, Power AM, Wall JG. Nature-Based Biomaterials and Their Application in Biomedicine. Polymers (Basel) 2021; 13:3321. [PMID: 34641137 PMCID: PMC8513057 DOI: 10.3390/polym13193321] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/09/2021] [Accepted: 09/17/2021] [Indexed: 02/07/2023] Open
Abstract
Natural polymers, based on proteins or polysaccharides, have attracted increasing interest in recent years due to their broad potential uses in biomedicine. The chemical stability, structural versatility, biocompatibility and high availability of these materials lend them to diverse applications in areas such as tissue engineering, drug delivery and wound healing. Biomaterials purified from animal or plant sources have also been engineered to improve their structural properties or promote interactions with surrounding cells and tissues for improved in vivo performance, leading to novel applications as implantable devices, in controlled drug release and as surface coatings. This review describes biomaterials derived from and inspired by natural proteins and polysaccharides and highlights their promise across diverse biomedical fields. We outline current therapeutic applications of these nature-based materials and consider expected future developments in identifying and utilising innovative biomaterials in new biomedical applications.
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Affiliation(s)
- Eoin Troy
- Microbiology, College of Science and Engineering, National University of Ireland, NUI Galway, H91 TK33 Galway, Ireland; (E.T.); (M.A.T.)
| | - Maura A. Tilbury
- Microbiology, College of Science and Engineering, National University of Ireland, NUI Galway, H91 TK33 Galway, Ireland; (E.T.); (M.A.T.)
- SFI Centre for Medical Devices (CÚRAM), NUI Galway, H91 TK33 Galway, Ireland
| | - Anne Marie Power
- Zoology, School of Natural Sciences, NUI Galway, H91 TK33 Galway, Ireland;
| | - J. Gerard Wall
- Microbiology, College of Science and Engineering, National University of Ireland, NUI Galway, H91 TK33 Galway, Ireland; (E.T.); (M.A.T.)
- SFI Centre for Medical Devices (CÚRAM), NUI Galway, H91 TK33 Galway, Ireland
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Subbiahanadar Chelladurai K, Selvan Christyraj JD, Rajagopalan K, Yesudhason BV, Venkatachalam S, Mohan M, Chellathurai Vasantha N, Selvan Christyraj JRS. Alternative to FBS in animal cell culture - An overview and future perspective. Heliyon 2021; 7:e07686. [PMID: 34401573 PMCID: PMC8349753 DOI: 10.1016/j.heliyon.2021.e07686] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 05/31/2021] [Accepted: 07/26/2021] [Indexed: 01/03/2023] Open
Abstract
Fetal bovine serum (FBS) is a widely used growth supplement in the in vitro culturing of animal and human cells, tissues and organs, notably due to the occurrence of abundant micro- and macronutrients, along with growth factors. Over the years, increasing demand, high price, batch-to-batch variability in quality and composition, increasing ethical concerns lead to the search for an alternative to FBS. Several approaches have been suggested and employed in the past, but none is implemented as widely as FBS, and each supplement has its own disadvantages. In this review, we described the importance of FBS in cell culture, discussed the issues associated with FBS use and presented the efforts made in the recent past to reduce or replace FBS. The potential of four different alternative sources to FBS, namely, bovine ocular fluid, sericin protein, human platelet lysate and earthworm heat inactivated coelomic fluid was evaluated. In the end, we present the conceptual perspective using the Human Platelet Lysate (HPL) and earthworm Heat Inactivated Coelomic Fluid (HI-CF) combination to alternate FBS and its context in scientific and economic impacts.
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Affiliation(s)
- Karthikeyan Subbiahanadar Chelladurai
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Jackson Durairaj Selvan Christyraj
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Kamarajan Rajagopalan
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Beryl Vedha Yesudhason
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Saravanakumar Venkatachalam
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Manikandan Mohan
- Pharmaceutical & Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, USA
| | - Niranjan Chellathurai Vasantha
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
| | - Johnson Retnaraj Samuel Selvan Christyraj
- Regeneration and Stem Cell Biology Lab, Centre for Molecular and Nanomedical Sciences, International Research Centre, Sathyabama Institute of Science & Technology, Chennai, Tamilnadu, India
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Park BK, Um IC. Effect of Relative Humidity on the Electrospinning Performance of Regenerated Silk Solution. Polymers (Basel) 2021; 13:polym13152479. [PMID: 34372082 PMCID: PMC8348387 DOI: 10.3390/polym13152479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/22/2021] [Accepted: 07/22/2021] [Indexed: 11/17/2022] Open
Abstract
Recently, the electrospun silk web has been intensively studied in terms of its biomedical applications, including tissue engineering scaffolds, due to its good biocompatibility, cytocompatibility, and biodegradability. In this study, the effect of relative humidity (RH) conditions on the morphology of electrospun silk fiber and the electrospinning production rate of silk solution was examined. In addition, the effect of RH on the molecular conformation of electrospun silk web was examined using Fourier transform infrared (FTIR) spectroscopy. As RH was increased, the maximum electrospinning rate of silk solution and fiber diameter of the resultant electrospun silk web were decreased. When RH was increased to 60%, some beads were observed, which showed that the electrospinnability of silk formic acid solution deteriorated with an increase in RH. The FTIR results showed that electrospun silk web was partially β-sheet crystallized and RH did not affect the molecular conformation of silk.
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Ahn W, Lee JH, Kim SR, Lee J, Lee EJ. Designed protein- and peptide-based hydrogels for biomedical sciences. J Mater Chem B 2021; 9:1919-1940. [PMID: 33475659 DOI: 10.1039/d0tb02604b] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Proteins are fundamentally the most important macromolecules for biochemical, mechanical, and structural functions in living organisms. Therefore, they provide us with diverse structural building blocks for constructing various types of biomaterials, including an important class of such materials, hydrogels. Since natural peptides and proteins are biocompatible and biodegradable, they have features advantageous for their use as the building blocks of hydrogels for biomedical applications. They display constitutional and mechanical similarities with the native extracellular matrix (ECM), and can be easily bio-functionalized via genetic and chemical engineering with features such as bio-recognition, specific stimulus-reactivity, and controlled degradation. This review aims to give an overview of hydrogels made up of recombinant proteins or synthetic peptides as the structural elements building the polymer network. A wide variety of hydrogels composed of protein or peptide building blocks with different origins and compositions - including β-hairpin peptides, α-helical coiled coil peptides, elastin-like peptides, silk fibroin, and resilin - have been designed to date. In this review, the structures and characteristics of these natural proteins and peptides, with each of their gelation mechanisms, and the physical, chemical, and mechanical properties as well as biocompatibility of the resulting hydrogels are described. In addition, this review discusses the potential of using protein- or peptide-based hydrogels in the field of biomedical sciences, especially tissue engineering.
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Affiliation(s)
- Wonkyung Ahn
- Department of Chemical Engineering, School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea. and Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea.
| | - Jong-Hwan Lee
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Soo Rin Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Jeewon Lee
- Department of Chemical and Biological Engineering, Korea University, Seoul 02841, Republic of Korea.
| | - Eun Jung Lee
- Department of Chemical Engineering, School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
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21
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Sahoo JK, Hasturk O, Choi J, Montero MM, Descoteaux ML, Laubach IA, Kaplan DL. Sugar Functionalization of Silks with Pathway-Controlled Substitution and Properties. Adv Biol (Weinh) 2021; 5:e2100388. [PMID: 33929098 PMCID: PMC8266746 DOI: 10.1002/adbi.202100388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/01/2021] [Indexed: 12/20/2022]
Abstract
Silk biomaterials are important for applications in biomedical fields due to their outstanding mechanical properties, biocompatibility, and tunable biodegradation. Chemical functionalization of silk by various chemistries can be leveraged to enhance and tune these features and enable the expansion of silk-based biomaterials into additional fields. Sugars are particularly relevant for intracellular communication, signal transduction events, as well as in hydrated extracellular matrices such as in cartilage, vitreous, and brain tissues. Multiple reaction pathways are demonstrated (carboxylation of serines followed by carbodiimide coupling with glucosamine, carboxylation of tyrosines followed by carbodiimide coupling with glucosamine; direct carbodiimide coupling of the inherent carboxylic acids of silk (aspartic and glutamic acid) with glucosamine) for the covalent conjugation of glucosamine onto silk with characterization by proton nuclear magnetic resonance (1 H-NMR), liquid chromatography tandem mass spectroscopy (LC-MS), water contact angle (WCA), and Fourier transform infrared (FTIR) spectroscopy. The results indicate that different pathways substitute different amounts of glucosamine onto silk chains, with control over resulting material properties, including hydrophobicity/hydrophilicity and biological responses. The aqueous processability of these conjugates into functional material formats (films, sponges) is assessed. These new classes of bio-inspired materials can lead to multifunctional biomaterials for potential applications in different fields of biomedical engineering.
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Affiliation(s)
- Jugal Kishore Sahoo
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - Jaewon Choi
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - Maria M Montero
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - Marc L Descoteaux
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - Isabel A Laubach
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby St., Medford, MA, 02155, USA
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22
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Bae YS, Um IC. Effects of Fabrication Conditions on Structure and Properties of Mechanically Prepared Natural Silk Web and Non-Woven Fabrics. Polymers (Basel) 2021; 13:polym13101578. [PMID: 34069044 PMCID: PMC8156477 DOI: 10.3390/polym13101578] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/25/2022] Open
Abstract
In this study, natural silk web and natural silk non-woven fabric were prepared mechanically using the binding character of the sericin in silk. The effect of process variables on the preparation, structure, and properties of the silk web and the non-woven fabric was examined. The reeling velocity affected the morphology and mechanical properties of the web but had almost no influence on the crystalline structure of the silk. From the viewpoint of reel-ability and the mechanical properties (work of rupture) of silk web, a reeling velocity of 39.2 m/min represented the optimal processing velocity. The porosity and swelling ratio of the silk web decreased slightly with increasing reeling velocity. Furthermore, the reeling bath temperature had a significant effect on the reel-ability of silk filaments from a silkworm cocoon. Bath temperatures ≥50 °C yielded good reel-ability (>900 m reeling length). The porosity, swelling ratio in water, and mechanical properties of the silk web and silk non-woven fabric changed only slightly with the reeling bath temperature but changed significantly with the hot press treatment. The hot-pressed silk web (i.e., silk non-woven fabric) exhibited higher tensile strength as well as lower elongation at break, porosity, and swelling ratio than the silk web.
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Affiliation(s)
- Yeon-Su Bae
- Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Korea;
| | - In-Chul Um
- Department of Biofibers and Biomaterials Science, Kyungpook National University, Daegu 41566, Korea;
- Institute of Agricultural Science and Technology, Kyungpook National University, Daegu 41566, Korea
- Correspondence: ; Tel.: +82-53-950-7757; Fax: +82-53-950-6744
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Chirila TV. Oxygen Permeability of Silk Fibroin Hydrogels and Their Use as Materials for Contact Lenses: A Purposeful Analysis. Gels 2021; 7:gels7020058. [PMID: 34064586 PMCID: PMC8162346 DOI: 10.3390/gels7020058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 04/24/2021] [Accepted: 05/02/2021] [Indexed: 11/28/2022] Open
Abstract
Fibroin is a fibrous protein that can be conveniently isolated from the silk cocoons produced by the larvae of Bombyx mori silk moth. In its form as a hydrogel, Bombyx mori silk fibroin (BMSF) has been employed in a variety of biomedical applications. When used as substrates for biomaterial-cells constructs in tissue engineering, the oxygen transport characteristics of the BMSF membranes have proved so far to be adequate. However, over the past three decades the BMSF hydrogels have been proposed episodically as materials for the manufacture of contact lenses, an application that depends on substantially elevated oxygen permeability. This review will show that the literature published on the oxygen permeability of BMSF is both limited and controversial. Additionally, there is no evidence that contact lenses made from BMSF have ever reached commercialization. The existing literature is discussed critically, leading to the conclusion that BMSF hydrogels are unsuitable as materials for contact lenses, while also attempting to explain the scarcity of data regarding the oxygen permeability of BMSF. To the author’s knowledge, this review covers all publications related to the topic.
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Affiliation(s)
- Traian V. Chirila
- Queensland Eye Institute, South Brisbane, QLD 4101, Australia; ; Tel.: +61-(0)7-3239-5024
- School of Chemistry & Physics, Queensland University of Technology, Brisbane, QLD 4001, Australia
- Australian Institute of Bioengineering & Nanotechnology (AIBN), The University of Queensland, St Lucia, QLD 4072, Australia
- Faculty of Medicine, The University of Queensland, Herston, QLD 4006, Australia
- School of Molecular Science, The University of Western Australia, Crawley, WA 6009, Australia
- Faculty of Medicine, George E. Palade University of Medicine, Pharmacy, Science & Technology, Târgu Mureş 540139, Romania
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Meeremans M, Van de Walle GR, Van Vlierberghe S, De Schauwer C. The Lack of a Representative Tendinopathy Model Hampers Fundamental Mesenchymal Stem Cell Research. Front Cell Dev Biol 2021; 9:651164. [PMID: 34012963 PMCID: PMC8126669 DOI: 10.3389/fcell.2021.651164] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022] Open
Abstract
Overuse tendon injuries are a major cause of musculoskeletal morbidity in both human and equine athletes, due to the cumulative degenerative damage. These injuries present significant challenges as the healing process often results in the formation of inferior scar tissue. The poor success with conventional therapy supports the need to search for novel treatments to restore functionality and regenerate tissue as close to native tendon as possible. Mesenchymal stem cell (MSC)-based strategies represent promising therapeutic tools for tendon repair in both human and veterinary medicine. The translation of tissue engineering strategies from basic research findings, however, into clinical use has been hampered by the limited understanding of the multifaceted MSC mechanisms of action. In vitro models serve as important biological tools to study cell behavior, bypassing the confounding factors associated with in vivo experiments. Controllable and reproducible in vitro conditions should be provided to study the MSC healing mechanisms in tendon injuries. Unfortunately, no physiologically representative tendinopathy models exist to date. A major shortcoming of most currently available in vitro tendon models is the lack of extracellular tendon matrix and vascular supply. These models often make use of synthetic biomaterials, which do not reflect the natural tendon composition. Alternatively, decellularized tendon has been applied, but it is challenging to obtain reproducible results due to its variable composition, less efficient cell seeding approaches and lack of cell encapsulation and vascularization. The current review will overview pros and cons associated with the use of different biomaterials and technologies enabling scaffold production. In addition, the characteristics of the ideal, state-of-the-art tendinopathy model will be discussed. Briefly, a representative in vitro tendinopathy model should be vascularized and mimic the hierarchical structure of the tendon matrix with elongated cells being organized in a parallel fashion and subjected to uniaxial stretching. Incorporation of mechanical stimulation, preferably uniaxial stretching may be a key element in order to obtain appropriate matrix alignment and create a pathophysiological model. Together, a thorough discussion on the current status and future directions for tendon models will enhance fundamental MSC research, accelerating translation of MSC therapies for tendon injuries from bench to bedside.
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Affiliation(s)
- Marguerite Meeremans
- Comparative Physiology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Gerlinde R Van de Walle
- Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Sandra Van Vlierberghe
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Faculty of Sciences, Ghent University, Ghent, Belgium
| | - Catharina De Schauwer
- Comparative Physiology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Molinnus D, Drinic A, Iken H, Kröger N, Zinser M, Smeets R, Köpf M, Kopp A, Schöning MJ. Towards a flexible electrochemical biosensor fabricated from biocompatible Bombyx mori silk. Biosens Bioelectron 2021; 183:113204. [PMID: 33836429 DOI: 10.1016/j.bios.2021.113204] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 12/13/2022]
Abstract
In modern days, there is an increasing relevance of and demand for flexible and biocompatible sensors for in-vivo and epidermal applications. One promising strategy is the implementation of biological (natural) polymers, which offer new opportunities for flexible biosensor devices due to their high biocompatibility and adjustable biodegradability. As a proof-of-concept experiment, a biosensor was fabricated by combining thin- (for Pt working- and counter electrode) and thick-film (for Ag/AgCl quasi-reference electrode) technologies: The biosensor consists of a fully bio-based and biodegradable fibroin substrate derived from silk fibroin of the silkworm Bombyx mori combined with immobilized enzyme glucose oxidase. The flexible glucose biosensor is encapsulated by a biocompatible silicon rubber which is certificated for a safe use onto human skin. Characterization of the sensor set-up is exemplarily demonstrated by glucose measurements in buffer and Ringer's solution, while the stability of the quasi-reference electrode has been investigated versus a commercial Ag/AgCl reference electrode. Repeated bending studies validated the mechanical properties of the electrode structures. The cross-sensitivity of the biosensor against ascorbic acid, noradrenaline and adrenaline was investigated, too. Additionally, biocompatibility and degradation tests of the silk fibroin with and without thin-film platinum electrodes were carried out.
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Affiliation(s)
- Denise Molinnus
- Institute of Nano- and Biotechnologies (INB), FH Aachen, Campus Jülich, Heinrich-Mußmann-Strasse 1, 52428, Jülich, Germany
| | - Aleksander Drinic
- Fibrothelium GmbH, TRIWO Technopark Aachen, Philipsstr. 8, 52068, Aachen, Germany
| | - Heiko Iken
- Institute of Nano- and Biotechnologies (INB), FH Aachen, Campus Jülich, Heinrich-Mußmann-Strasse 1, 52428, Jülich, Germany
| | - Nadja Kröger
- Department of Plastic, Reconstructive and Aesthetic Surgery, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Max Zinser
- Department of Plastic, Reconstructive and Aesthetic Surgery, University Hospital of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - Ralf Smeets
- Department of Oral and Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, Hamburg, Germany
| | - Marius Köpf
- Fibrothelium GmbH, TRIWO Technopark Aachen, Philipsstr. 8, 52068, Aachen, Germany
| | - Alexander Kopp
- Fibrothelium GmbH, TRIWO Technopark Aachen, Philipsstr. 8, 52068, Aachen, Germany
| | - Michael J Schöning
- Institute of Nano- and Biotechnologies (INB), FH Aachen, Campus Jülich, Heinrich-Mußmann-Strasse 1, 52428, Jülich, Germany; Forschungszentrum Jülich GmbH, Institute of Biological Information Processing (IBI-3), Wilhelm-Johnen-Strasse 6, 52425, Jülich, Germany.
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Biopolymer Matrices Based on Chitosan and Fibroin: A Review Focused on Methods for Studying Surface Properties. POLYSACCHARIDES 2021. [DOI: 10.3390/polysaccharides2010011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
For the creation of tissue-engineered structures based on natural biopolymers with the necessary chemical, physical, adhesive, morphological, and regenerative properties, biocompatible materials based on polysaccharides and proteins are used. This work is devoted to a problem of the technology of polymeric materials for biomedical purposes: the creation of biopolymer tissue engineering matrix and the development of a methodology for studying morphology and functional properties of their surface to establish the prospects for using the material for contact with living objects. The conditions for the formation of scaffolds based on composite materials of chitosan and fibroin determine the structure of the material, the thickness and orientation of molecular layers, the surface morphology, and other parameters that affect cell adhesion and growth. The analysis of studies of the morphology and properties of the surface of biopolymer matrices obtained using different methods of molding from solutions of chitosan and fibroin is carried out.
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Guo X, Lin N, Lu S, Zhang F, Zuo B. Preparation and Biocompatibility Characterization of Silk Fibroin 3D Scaffolds. ACS APPLIED BIO MATERIALS 2021; 4:1369-1380. [PMID: 35014488 DOI: 10.1021/acsabm.0c01239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
In this paper, three different mass fractions of sodium carbonate were used for degumming to obtain different degrees of damaged silk fibroin fibers, which were then treated with formic acid to shrink and bond them into 3D scaffolds. The structure and performance of silk fibroin fibers and silk fibroin 3D scaffolds were characterized by scanning electron microscopy, infrared spectroscopy, X-ray diffraction, a differential thermal scanner, a universal materials testing machine, and laser confocal microscopy, and the degradation performance was tested by protease degradation. The results showed that an excessive mass fraction of sodium carbonate would cause partial hydrolysis of fibroin fibers, decrease the mechanical properties of fibroin fiber, increase the surface roughness of fibroin fibers, and make mouse embryonic fibroblasts easier to adhere and grow. Silk fibroin fibers were slightly dissolved, shrunk, and dispersed in formic acid. The mass fraction of sodium carbonate can adjust the enzymatic degradation rate of the silk fibroin 3D scaffolds. With the extension of the degradation time, minerals will be deposited on the surface of the scaffolds. The results show that the silk fibroin 3D scaffolds have biocompatibility, mechanical properties, and degradability, which provides a good material for a barrier biofilm in the future.
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Microroughness induced biomimetic coating for biodegradation control of magnesium. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 121:111811. [PMID: 33579455 DOI: 10.1016/j.msec.2020.111811] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/02/2020] [Accepted: 12/12/2020] [Indexed: 12/23/2022]
Abstract
Herein we explore a combination of anodization induced micro-roughness and biomimetic coating on pure magnesium (Mg) metal at different applied voltages to control adhesion, biodegradation, and corrosion performance in simulated body fluid solution. The anodic film was fabricated using two different potentials, 3 and 5 V, respectively, to create microroughness on the Mg surface. The microroughened Mg surface was subsequently coated with a biomimetic silk thin film; and the characteristics of the treated Mg-substrates were evaluated using various spectroscopic, microscopic, immersion, and electrochemical techniques. A number of independent measurements, including hydrogen evolution, weight loss and electrochemical methods were employed to assess the corrosion characteristics. The silk-coated anodized samples revealed dramatically reduced degradation rate in terms of volume of hydrogen gas generation and weight loss compared to the respective anodized but uncoated, which revealed that optimized biomimetic silk-coated Mg surface (anodized at 5 V and subsequently biomimetic silk-coated ANMg5V) exhibited the best corrosion performance among all other tested samples. The ANMg5V Silk showed the highest polarization resistance (46.12 kΩ·cm2), protection efficiency (>0.99) and lowest corrosion rate (only 0.017 mm/year) relative to untreated Mg (8.457 mm/year), and anodized Mg (1.039 for anodized at 3 V and 0.986 for anodized at 5 V) surface due to the formation of a pore-free dense biomimetic protective film over Mg surface. The results of the cytotoxicity test confirm that silk-coated samples are significantly less cytotoxic compared to bare and anodized Mg samples. With enhanced corrosion resistance and cytocompatibility, silk-coated Mg could be a potential material for clinical applications.
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Natural and Synthetic Polymeric Scaffolds. Biomed Mater 2021. [DOI: 10.1007/978-3-030-49206-9_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Kiritani S, Kaneko J, Ito D, Morito M, Ishizawa T, Akamatsu N, Tanaka M, Iida T, Tanaka T, Tanaka R, Asakura T, Arita J, Hasegawa K. Silk fibroin vascular graft: a promising tissue-engineered scaffold material for abdominal venous system replacement. Sci Rep 2020; 10:21041. [PMID: 33273511 PMCID: PMC7713399 DOI: 10.1038/s41598-020-78020-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 11/11/2020] [Indexed: 02/06/2023] Open
Abstract
No alternative tissue-engineered vascular grafts for the abdominal venous system are reported. The present study focused on the development of new tissue-engineered vascular graft using a silk-based scaffold material for abdominal venous system replacement. A rat vein, the inferior vena cava, was replaced by a silk fibroin (SF, a biocompatible natural insoluble protein present in silk thread), tissue-engineered vascular graft (10 mm long, 3 mm diameter, n = 19, SF group). The 1 and 4 -week patency rates and histologic reactions were compared with those of expanded polytetrafluoroethylene vascular grafts (n = 10, ePTFE group). The patency rate at 1 and 4 weeks after replacement in the SF group was 100.0% and 94.7%, and that in the ePTFE group was 100.0% and 80.0%, respectively. There was no significant difference between groups (p = 0.36). Unlike the ePTFE graft, CD31-positive endothelial cells covered the whole luminal surface of the SF vascular graft at 4 weeks, indicating better endothelialization. SF vascular grafts may be a promising tissue-engineered scaffold material for abdominal venous system replacement.
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Affiliation(s)
- Sho Kiritani
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Junichi Kaneko
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Daisuke Ito
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Masaaki Morito
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Takeaki Ishizawa
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Nobuhisa Akamatsu
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Mariko Tanaka
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takuya Iida
- Department of Plastic and Reconstructive Surgery, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takashi Tanaka
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Ryo Tanaka
- Department of Veterinary Surgery, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Tetsuo Asakura
- Department of Biotechnology, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Junichi Arita
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Kiyoshi Hasegawa
- Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
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Khan AZ, Jackson CJ, Utheim TP, Reppe S, Sapkota D, Olstad OK, Thiede B, Eidet JR. Sericin-Induced Melanogenesis in Cultured Retinal Pigment Epithelial Cells Is Associated with Elevated Levels of Hydrogen Peroxide and Inflammatory Proteins. Molecules 2020; 25:molecules25194395. [PMID: 32987810 PMCID: PMC7582875 DOI: 10.3390/molecules25194395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 11/16/2022] Open
Abstract
We previously demonstrated that the silk protein sericin promotes pigmentation of retinal pigment epithelium (RPE) by activating the NF-κB pathway. Among numerous agents, NF-κB can be activated by hydrogen peroxide. In the present study, we explored possible associations between reactive oxygen species and sericin-induced melanogenesis in RPE. The proteome of human fetal RPE cultured for seven days with or without 1% sericin was analyzed using ingenuity pathway analysis (IPA). The proteomic data was verified by immunofluorescence and immunoblotting. Light microscopy and scanning electron microscopy were used to assess morphology. Dihydroethidium (DHE) and dihydrorhodamine (DHR) assays were used to measure superoxide and hydrogen peroxide species. Expression levels of proteins related to inflammation, differentiation, cell survival and cell adhesion were higher in cells cultured in Dulbecco's Modified Eagle Medium (DMEM) with 1% sericin, whereas cells cultured in DMEM alone showed higher expression levels of proteins associated with Bruch's membrane and cytoskeleton. Despite upregulation of inflammatory proteins, sericin co-cultured RPE yielded significantly higher cell viability compared to cells cultured without sericin. Addition of sericin to culture media significantly increased hydrogen peroxide-levels without significantly affecting superoxide-levels. We suggest that sericin-induced melanogenesis in cultured RPE is associated with elevated levels of superoxide dismutase, hydrogen peroxide and inflammatory proteins.
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Affiliation(s)
- Ayyad Zartasht Khan
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, P.O. Box 1078, Blindern, 0316 Oslo, Norway
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
- Correspondence: ; Tel.: +47-2284-5300
| | - Catherine Joan Jackson
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Sognsvannsveien 10, P.O. Box 1052, 0316 Oslo, Norway;
| | - Tor Paaske Utheim
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Sognsvannsveien 10, P.O. Box 1052, 0316 Oslo, Norway;
- Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway
- Department of Ophthalmology, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway
- Department of Ophthalmology, Sørlandet Hospital Arendal, P.O. Box 416, Lundsiden, 4604 Kristiansand, Norway
- Department of Ophthalmology, Stavanger University Hospital, P.O. Box 8100, 4068 Stavanger, Norway
| | - Sjur Reppe
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
- Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway
- Lovisenberg Diakonale Hospital, Unger-Vetlesen Institute, P.O. Box 4970, Nydalen, 0440 Oslo, Norway
| | - Dipak Sapkota
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Sognsvannsveien 10, P.O. Box 1052, 0316 Oslo, Norway;
| | - Ole Kristoffer Olstad
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
| | - Bernd Thiede
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, P.O. Box 1066, Blindern, 0316 Oslo, Norway;
| | - Jon Roger Eidet
- Department of Medical Biochemistry, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway; (C.J.J.); (T.P.U.); (S.R.); (O.K.O.); (J.R.E.)
- Department of Ophthalmology, Oslo University Hospital, Kirkeveien 166, P.O. Box 4956, Nydalen, 0424 Oslo, Norway
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Tandon S, Kandasubramanian B, Ibrahim SM. Silk-Based Composite Scaffolds for Tissue Engineering Applications. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02195] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Saloni Tandon
- Biotechnology Lab, Center for Converging Technologies, University of Rajasthan, JLN Marg, Jaipur-302004, Rajasthan, India
| | - Balasubramanian Kandasubramanian
- Nano Surface Texturing Lab, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Girinagar, Pune-411025, Maharashtra, India
| | - Sobhy M. Ibrahim
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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Khang MK, Zhou J, Co CM, Li S, Tang L. A pretargeting nanoplatform for imaging and enhancing anti-inflammatory drug delivery. Bioact Mater 2020; 5:1102-1112. [PMID: 32695939 PMCID: PMC7365982 DOI: 10.1016/j.bioactmat.2020.06.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/28/2020] [Accepted: 06/28/2020] [Indexed: 01/18/2023] Open
Abstract
This work details a newly developed “sandwich” nanoplatform via neutravidin-biotin system for the detection and treatment of inflammation. First, biotinylated- and folate-conjugated optical imaging micelles targeted activated macrophages via folate/folate receptor interactions. Second, multivalent neutravidin proteins in an optimal concentration accumulated on the biotinylated macrophages. Finally, biotinylated anti-inflammatory drug-loaded micelles delivered drugs effectively at the inflammatory sites via a highly specific neutravidin-biotin affinity. Both in vitro and in vivo studies have shown that the “sandwich” pretargeting platform was able to diagnose inflammation by targeting activated macrophages as well as improve the therapeutic efficacy by amplifying the drug delivery to the inflamed tissue. The overall results support that our new pretargeting platform has the potential for inflammatory disease diagnosis and treatment. A “sandwich” nanoplatform system is developed for the improved detection and treatment of inflammation. Biotinylated- and folate-conjugated optical imaging micelles are designed to pre-target activated macrophages. Multivalent neutravidins accumulate on the biotinylated macrophages via neutravidin-biotin reactions. Biotinylated micelles can deliver drugs effectively at the inflammatory sites via specific neutravidin/biotin affinity.
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Affiliation(s)
- Min Kyung Khang
- Department of Chemistry and Biochemistry, University of Texas at Arlington, 700 Planetarium Place, Chemistry Physics Building Room 130, Arlington, TX, 76019-0065, USA.,Department of Bioengineering, University of Texas at Arlington, Engineering Research Building, Room 226, Box 19138, Arlington, TX, 76010, USA
| | - Jun Zhou
- Department of Bioengineering, University of Texas at Arlington, Engineering Research Building, Room 226, Box 19138, Arlington, TX, 76010, USA
| | - Cynthia M Co
- Department of Bioengineering, University of Texas at Arlington, Engineering Research Building, Room 226, Box 19138, Arlington, TX, 76010, USA
| | - Shuxin Li
- Department of Bioengineering, University of Texas at Arlington, Engineering Research Building, Room 226, Box 19138, Arlington, TX, 76010, USA
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, Engineering Research Building, Room 226, Box 19138, Arlington, TX, 76010, USA
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Ang SL, Shaharuddin B, Chuah JA, Sudesh K. Electrospun poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)/silk fibroin film is a promising scaffold for bone tissue engineering. Int J Biol Macromol 2020; 145:173-188. [DOI: 10.1016/j.ijbiomac.2019.12.149] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/08/2019] [Accepted: 12/17/2019] [Indexed: 01/03/2023]
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35
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Konar S, Edwina P, Ramanujam V, Arunachalakasi A, Bajpai SK. Collagen-I/silk-fibroin biocomposite exhibits microscalar confinement of cells and induces anisotropic morphology and migration of embedded fibroblasts. J Biomed Mater Res B Appl Biomater 2020; 108:2368-2377. [PMID: 31984672 DOI: 10.1002/jbm.b.34570] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 12/06/2019] [Accepted: 01/13/2020] [Indexed: 12/17/2022]
Abstract
Microstructural anisotropy of tumor-associated matrix correlates with invasion of cancer cells into the surrounding matrix during metastasis. Here, we report the fabrication and characterization of a three-dimensional (3D) silk-fibroin/collagen-I bio-composite based cell-culture model that exhibits microstructural and biochemical anisotropy. Using RGD-deficient silk-fibroin fibers to confine collagen-I gelation, we develop a silk-fibroin/collagen-I (SFC) bio-composite in a one-step process allowing control over the microstructural and biochemical anisotropy and the pore-size. Two forms of the SFC bio-composite are reported: a sandwich (Sfc ) configuration amenable to live-cell microscopy and an unsupported membrane (Mfc ) for use as a scaffold. Both microscalar and macroscalar mechanical properties of the SFC bio-composite are characterized using atomic force microscope (AFM)-based indentation and tensile-testing. We find that the modulus of stiffness of both Sfc and Mfc can be controlled and falls in the physiological range of 5-20 kPa. Furthermore, the modulus of stiffness of Mfc exhibits a ~200% increase in axial direction of microstructure, as compared to lateral direction. This implies a highly anisotropic mechanical stiffness of the microenvironment. Live-cell morphology and migration studies show that both the morphology and the migration of NIH-3 T3 fibroblasts is anisotropic and correlates with microstructural anisotropy. Our results show that SFC bio-composite permits proliferation of cells in both Sfc and Mfc configuration, promotes cell-migration along the major axis of anisotropy and together with morphological and migration data, suggest a potential application of both the composite configurations as a biomimetic scaffold for tissue engineering applications.
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Affiliation(s)
- Subhajit Konar
- Department of Applied Mechanics, Indian Institute of Technology - Madras, Chennai, India.,Faculty of Medical and Health Sciences, Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Privita Edwina
- Department of Applied Mechanics, Indian Institute of Technology - Madras, Chennai, India
| | - Vaibavi Ramanujam
- Department of Applied Mechanics, Indian Institute of Technology - Madras, Chennai, India
| | | | - Saumendra Kumar Bajpai
- Department of Applied Mechanics, Indian Institute of Technology - Madras, Chennai, India
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Design and evaluation of Konjac glucomannan-based bioactive interpenetrating network (IPN) scaffolds for engineering vascularized bone tissues. Int J Biol Macromol 2020; 143:30-40. [DOI: 10.1016/j.ijbiomac.2019.12.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/12/2019] [Accepted: 12/02/2019] [Indexed: 01/19/2023]
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37
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Medronho B, Filipe A, Napso S, Khalfin RL, Pereira RFP, de Zea Bermudez V, Romano A, Cohen Y. Silk Fibroin Dissolution in Tetrabutylammonium Hydroxide Aqueous Solution. Biomacromolecules 2019; 20:4107-4116. [DOI: 10.1021/acs.biomac.9b00946] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bruno Medronho
- Faculty of Sciences and Technology (MeditBio), Ed. 8, University of Algarve, Campus de Gambelas, Faro 8005-139, Portugal
- FSCN, Surface and Colloid Engineering, Mid Sweden University, Sundsvall SE-851 70, Sweden
| | - Alexandra Filipe
- Faculty of Sciences and Technology (MeditBio), Ed. 8, University of Algarve, Campus de Gambelas, Faro 8005-139, Portugal
| | - Sofia Napso
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200003, Israel
| | - Rafail. L. Khalfin
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200003, Israel
| | - Rui F. P. Pereira
- Center of Chemistry and Department of Chemistry, University of Minho, Campus de Gualtar, Braga 4710-057, Portugal
| | - Verónica de Zea Bermudez
- Department of Chemistry/CQ-VR, University of Trás-os-Montes e Alto Douro, Vila Real 5001-801, Portugal
| | - Anabela Romano
- Faculty of Sciences and Technology (MeditBio), Ed. 8, University of Algarve, Campus de Gambelas, Faro 8005-139, Portugal
| | - Yachin Cohen
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Technion City, Haifa 3200003, Israel
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Microwave Assisted Sol-Gel Synthesis of Silica-Spider Silk Composites. Molecules 2019; 24:molecules24142521. [PMID: 31295838 PMCID: PMC6681061 DOI: 10.3390/molecules24142521] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 07/04/2019] [Accepted: 07/05/2019] [Indexed: 02/07/2023] Open
Abstract
This study introduces a simple and environmentally friendly method to synthesize silica-protein nanocomposite materials using microwave energy to solubilize hydrophobic protein in an aqueous solution of pre-hydrolyzed organo- or fluoro-silane. Sol-gel functionality can be enhanced through biomacromolecule incorporation to tune mechanical properties, surface energy, and biocompatibility. Here, synthetic spider silk protein and organo- and fluoro-silane precursors were dissolved and mixed in weakly acidic aqueous solution using microwave technology. Scanning electron microscopy (SEM) and Atomic force microscopy (AFM) images revealed the formation of spherical nanoparticles with sizes ranging from 100 to 500 nm depending, in part, on silane fluoro- or organo-side chain chemistry. The silane-protein interaction in the nanocomposite was assessed through infrared spectroscopy. Deconvoluted ATR-FTIR (Attenuated total reflectance Fourier-transform infrared spectroscopy) spectra revealed silane chemistry-specific conformational changes in the protein-silane nanocomposites. Relative to microwave-solubilized spider silk protein, the β structure content increased by 14% in the spider silk-organo-silica nanocomposites, but decreased by a net 20% in the spider silk-fluoro-silica nanocomposites. Methods of tuning the secondary structures, and in particular β-sheets that are the cross-linking moieties in spider silks and other self-assembling fibrillar proteins, may provide a unique means to promote protein interactions, favor subsequent epitaxial growth process, and enhance the properties of the protein-silane nanocomposites.
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Liu S, Niu C, Xu Z, Wang Y, Liang Y, Zhao Y, Zhao Y, Yang Y. Modulation of myelin formation by combined high affinity with extracellular matrix structure of electrospun silk fibroin nanoscaffolds. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:1068-1082. [PMID: 31104582 DOI: 10.1080/09205063.2019.1621244] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Remyelination is a major therapeutic goal in peripheral nerve regeneration, serving to restore function of demyelinated axons and provide neuroprotection. In order to apply myelin biogenesis strategies to peripheral nerve defects, the tissue engineered substitutes might be amenable to the promotion of this repair process. Electrospun nanofibers are considered as promising scaffolds for tissue engineering due to extracellular matrix mimicking factor and enhanced electrostatic interaction resulting in a controllable 3 D nanofibrous membrane. In order to explore the role of electrospun silk fibroin (SF) membrane in myelination, co-culture of dorsal root ganglion (DRG) neurons and Schwann cells (SCs) in vitro was established and observed. Scanning electron microscopy was used to observe DRG adhesion to the membranes, the electrospinning SF membrane is more favorable to the adhesion of DRG. The immunofluorescence staining of MAG and NF showed considerable amount of myelin were formed, and the myelin was tightly wrapped around the axons of the neurons, which was confirmed under the scanning electron microscope observation. Real-time quantitative PCR technique was used to determine the gene expression level of DRG neurons cultured at different time points. The results showed that the mRNA levels of N-cadherin, laminin, fibronectin were higher than those in the control group. Our results showed that the electrospun SF nanofibers can provide topographical and chemical cues that mimic (to a certain extent) the extracellular matrix.
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Affiliation(s)
- Sha Liu
- a Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration , Nantong University , Nantong , PR China
| | - Changmei Niu
- a Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration , Nantong University , Nantong , PR China
| | - Ziqi Xu
- b Medical School, Nantong University , Nantong , PR China
| | - Yingyu Wang
- c Wen Zheng College, Soochow University , Suzhou , PR China
| | - Yunyun Liang
- a Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration , Nantong University , Nantong , PR China
| | - Ying Zhao
- b Medical School, Nantong University , Nantong , PR China
| | - Yahong Zhao
- a Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration , Nantong University , Nantong , PR China.,d Department of Materials Science and Engineering , Institute for Nanobiotechnology, Johns Hopkins University , Baltimore , MD , USA
| | - Yumin Yang
- a Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration , Nantong University , Nantong , PR China
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Xu L, Guo Y, Huang Y, Xu Y, Lu Y, Wang Z. Hydrogel materials for the application of islet transplantation. J Biomater Appl 2019; 33:1252-1264. [PMID: 30791850 DOI: 10.1177/0885328219831391] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Type 1 diabetes mellitus is a serious disease comprising approximately 10% of all diabetes cases, and the global incidence of type 1 diabetes mellitus is steadily rising without any promise of a cure in the near future. Although islet transplantation has proven to be an effective means of treating type 1 diabetes mellitus and promoting insulin independence in patients, its widespread implementation has been severely constrained by instances of post-transplantation islet cell death, rejection, and severe adverse immune responses. Islet encapsulation is an active area of research aimed at shielding implanted islets from immunological rejection and inflammation while still allowing for effective insulin and nutrient exchange with donor cells. Given their promising physical and chemical properties, hydrogels have been a major subject of focus in the field of islet transplantation and encapsulation technology, offering promising advances towards immunologically privileged islet implants. The present review therefore summarizes the current state of research regarding the use of hydrogels in the context of islet transplantation, including both natural molecular hydrogels and artificial polymer hydrogels, with the goal of understanding the current strengths and weaknesses of this treatment strategy.
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Affiliation(s)
- Liancheng Xu
- Suqian First Hospital, Suqian, Jiangsu, China
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yibing Guo
- Research center of clinical medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yan Huang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
- Research center of clinical medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yang Xu
- Research center of clinical medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yuhua Lu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
- Research center of clinical medicine, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Zhiwei Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
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Wu P, Zhang P, Zheng H, Zuo B, Duan X, Chen J, Wang X, Shen Y. Biological effects different diameters of Tussah silk fibroin nanofibers on olfactory ensheathing cells. Exp Ther Med 2019; 17:123-130. [PMID: 30651772 PMCID: PMC6307394 DOI: 10.3892/etm.2018.6933] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/13/2018] [Indexed: 01/04/2023] Open
Abstract
Transplantation of olfactory ensheathing cells (OECs) has potential for treating spinal cord and brain injury. However, they are void of an extracellular matrix to support cell growth and migration. Engineering of tissue to mimic the extracellular matrix is a potential solution for neural repair. Tussah silk fibroin (TSF) has good biocompatibility and an Arg-Gly-Asp tripeptide sequence. A small number of studies have assessed the effect of the diameter of TSF nanofibers on cell adhesion, growth and migration. In the present study, TSF nanofibers with a diameter of 400 and 1,200 nm were prepared using electrospinning technology; these were then used as scaffolds for OECs. The structure and morphology of the TSF nanofibers were characterized by scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy. An inverted-phase contrast microscope and SEM were used to observe the morphology of OECs on the TSF nanofibers. The effect on the adhesion of the cells was observed following crystal violet staining. The phenotype of the cells and the maximum axon length on the scaffolds were evaluated by immunostaining for nerve growth factor receptor p75. Cell proliferation and viability were assessed by an MTT assay and a Live/Dead reagent kit. The migration efficiency of OECs was observed using live-cell microscopy. The results indicated that a 400-nm TSF fiber scaffold was more conducive to OEC adhesion, growth and migration compared with a 1,200-nm TSF scaffold. The phenotype of the OECs was normal, and no difference in OEC phenotype was observe when comparing those on TSF nanofibers to those on PLL. The present study may provide guidance regarding the preparation of tissue-engineered materials for neural repair.
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Affiliation(s)
- Peng Wu
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Peng Zhang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Hanjiang Zheng
- Department of Orthopedics, The Second Hospital of Jingzhou, Jingzhou, Hubei 434000, P.R. China
| | - Baoqi Zuo
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Xiaofeng Duan
- Department of Orthopedics, The Second Hospital of Jingzhou, Jingzhou, Hubei 434000, P.R. China
| | - Junjun Chen
- Department of Orthopedics, The Second Hospital of Jingzhou, Jingzhou, Hubei 434000, P.R. China
| | - Xinhong Wang
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
| | - Yixin Shen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, P.R. China
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Fazal N, Latief N. Bombyx mori derived scaffolds and their use in cartilage regeneration: a systematic review. Osteoarthritis Cartilage 2018; 26:1583-1594. [PMID: 30059787 DOI: 10.1016/j.joca.2018.07.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 07/05/2018] [Accepted: 07/11/2018] [Indexed: 02/02/2023]
Abstract
For the last two decades, silk has been extensively used as scaffolds in tissue engineering because of its remarkable properties. Unfortunately, the aneural property of cartilage limits its regenerative potential which can be achieved using tissue engineering approach. A lot of research has been published searching for the optimization of silk fibroin (SF) and its blends in order to get the best cartilage mimicking properties. However, according to our best knowledge, there is no systematic review available regarding the use of Bombyx mori derived biomaterials limited to cartilage related studies. This systematic review highlights the in vitro and in vivo work done for the past 7 years on structural and functional properties of B. mori derived biomaterials together with different parameters for cartilage regeneration. PubMed database was searched focusing on in vitro and in vivo studies using the search thread "silk fibroin" and "cartilage". A total of 40 articles met the inclusion criteria. All the articles were deeply studied for cell types, scaffold types and animal models used along with study design and results. Five types of cells were used for in vitro while seven types of cells were used for in vivo studies. Three types of animal models were used for scaffold implantation purpose. Moreover, different types of scaffolds either seeded with cells or supplemented with various factors were explored and discussed in detail. Results suggest the suitability of silk as a better biomaterial because of its cartilage mimicking properties.
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Affiliation(s)
- N Fazal
- Centre of Excellence in Molecular Biology, University of the Punjab, Pakistan
| | - N Latief
- Centre of Excellence in Molecular Biology, University of the Punjab, Pakistan.
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The potential use of gentamicin sulfate-loaded poly(l-lactic acid)-sericin hybrid scaffolds for bone tissue engineering. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2520-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Wöltje M, Böbel M, Bienert M, Neuss S, Aibibu D, Cherif C. Functionalized silk fibers from transgenic silkworms for wound healing applications: Surface presentation of bioactive epidermal growth factor. J Biomed Mater Res A 2018; 106:2643-2652. [DOI: 10.1002/jbm.a.36458] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/18/2018] [Accepted: 05/11/2018] [Indexed: 01/22/2023]
Affiliation(s)
- Michael Wöltje
- Institute of Textile Machinery and High Performance Material Technology, TU Dresden, Hohe Str. 6 Dresden 01069 Germany
| | - Melanie Böbel
- Institute of Textile Machinery and High Performance Material Technology, TU Dresden, Hohe Str. 6 Dresden 01069 Germany
| | - Michaela Bienert
- Institute of Pathology & Helmholtz Institute for Biomedical Engineering, Biointerface Group, RWTH Aachen University, Pauwelsstr. 30 Aachen 52074 Germany
| | - Sabine Neuss
- Institute of Pathology & Helmholtz Institute for Biomedical Engineering, Biointerface Group, RWTH Aachen University, Pauwelsstr. 30 Aachen 52074 Germany
| | - Dilibaier Aibibu
- Institute of Textile Machinery and High Performance Material Technology, TU Dresden, Hohe Str. 6 Dresden 01069 Germany
| | - Chokri Cherif
- Institute of Textile Machinery and High Performance Material Technology, TU Dresden, Hohe Str. 6 Dresden 01069 Germany
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Biomaterials in Tendon and Skeletal Muscle Tissue Engineering: Current Trends and Challenges. MATERIALS 2018; 11:ma11071116. [PMID: 29966303 PMCID: PMC6073924 DOI: 10.3390/ma11071116] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/20/2018] [Accepted: 06/25/2018] [Indexed: 12/17/2022]
Abstract
Tissue engineering is a promising approach to repair tendon and muscle when natural healing fails. Biohybrid constructs obtained after cells’ seeding and culture in dedicated scaffolds have indeed been considered as relevant tools for mimicking native tissue, leading to a better integration in vivo. They can also be employed to perform advanced in vitro studies to model the cell differentiation or regeneration processes. In this review, we report and analyze the different solutions proposed in literature, for the reconstruction of tendon, muscle, and the myotendinous junction. They classically rely on the three pillars of tissue engineering, i.e., cells, biomaterials and environment (both chemical and physical stimuli). We have chosen to present biomimetic or bioinspired strategies based on understanding of the native tissue structure/functions/properties of the tissue of interest. For each tissue, we sorted the relevant publications according to an increasing degree of complexity in the materials’ shape or manufacture. We present their biological and mechanical performances, observed in vitro and in vivo when available. Although there is no consensus for a gold standard technique to reconstruct these musculo-skeletal tissues, the reader can find different ways to progress in the field and to understand the recent history in the choice of materials, from collagen to polymer-based matrices.
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Yan J, Hu K, Xiao Y, Zhang F, Han L, Pan S, Li L, Wei Y, Cui F. Preparation of recombinant human-like collagen/fibroin scaffold and its promoting effect on vascular cells biocompatibility. J BIOACT COMPAT POL 2018. [DOI: 10.1177/0883911518769680] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A novel recombinant human-like collagen/fibroin scaffold has been prepared previously, which has high porosity, controllable pore size, and much better mechanical properties than the reported fibroin-based scaffold. In this research, the cell responses of vascular smooth muscle cells to this blend scaffold were examined in vitro. Cell morphology, adherence, and growth in scaffolds were observed by scanning electron microscopy, laser scanning confocal microscopy after staining of the cells with propidium iodide at 1, 3, 5, and 7 days, respectively. A wide range of measurements, including 3-[4,5–dimethylthiazol-2-yl]-2, 5-diphenyl tetrasodium bromide assay, and total intracellular protein content at the end of 7 days culture, were conducted. An increase of viability and protein content of vascular smooth muscle cells cultured in recombinant human-like collagen/fibroin scaffold was found. The laser scanning confocal microscopy and scanning electron microscopy results confirm that the cells readily adhered and proliferation in the blend than in fibroin scaffold, and indicate a better adhesion process. The positive effects were especially significant for vascular smooth muscle cells. The recombinant human-like collagen/fibroin scaffold could be a promising biomaterial for vascular tissue engineering.
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Affiliation(s)
- Jia Yan
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
| | - Kun Hu
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, China
| | - YongHao Xiao
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
| | - Fan Zhang
- The First Hospital of Fuzhou Medical Association, Fuzhou, China
| | - Lu Han
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
| | - Shun Pan
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
| | - LuHai Li
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
| | - Yen Wei
- Institute of Printing and Packaging Engineering, Beijing Institute of Graphic Communication, Beijing, China
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, China
- Department of Chemistry and Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing, China
| | - FuZhai Cui
- School of Materials Science and Engineering, Tsinghua University, Beijing, China
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Chakraborty S, Ponrasu T, Chandel S, Dixit M, Muthuvijayan V. Reduced graphene oxide-loaded nanocomposite scaffolds for enhancing angiogenesis in tissue engineering applications. ROYAL SOCIETY OPEN SCIENCE 2018; 5:172017. [PMID: 29892387 PMCID: PMC5990794 DOI: 10.1098/rsos.172017] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 03/26/2018] [Indexed: 05/16/2023]
Abstract
Tissue engineering combines cells, scaffolds and signalling molecules to synthesize tissues in vitro. However, the lack of a functioning vascular network severely limits the effective size of a tissue-engineered construct. In this work, we have assessed the potential of reduced graphene oxide (rGO), a non-protein pro-angiogenic moiety, for enhancing angiogenesis in tissue engineering applications. Polyvinyl alcohol/carboxymethyl cellulose (PVA/CMC) scaffolds loaded with different concentrations of rGO nanoparticles were synthesized via lyophilization. Characterization of these scaffolds showed that the rGO-loaded scaffolds retained the thermal and physical properties (swelling, porosity and in vitro biodegradation) of pure PVA/CMC scaffolds. In vitro cytotoxicity studies, using three different cell lines, confirmed that the scaffolds are biocompatible. The scaffolds containing 0.005 and 0.0075% rGO enhanced the proliferation of endothelial cells (EA.hy926) in vitro. In vivo studies using the chick chorioallantoic membrane model showed that the presence of rGO in the PVA/CMC scaffolds significantly enhanced angiogenesis and arteriogenesis.
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Cirillo B, Morra M, Catapano G. Adhesion and Function of Rat Liver Cells Adherent to Silk Fibroin/Collagen Blend Films. Int J Artif Organs 2018; 27:60-8. [PMID: 14984185 DOI: 10.1177/039139880402700112] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Collagen is often used in bioartificial livers as a biomimetic coating to promote liver cell adhesion and differentiation. Animal proteins are expensive and expose the host to risks of cross-species infection due to contamination with prions. Silk fibroin (SF) is a biocompatible protein produced by Bombyx mori silk worms and possibly an alternative to collagen. We prepared SF-collagen blend films with different SF content adherent to the bottom of standard tissue culture dishes, and characterized their surface morphology by SEM, their wettability and examined them for their capacity to support rat liver cell adhesion and metabolism. Cell metabolism was characterized by estimating the rate at which cells eliminated ammonia and synthesized urea for up to 48h of culture. SF-containing films were smooth, clear and more wettable than collagen. Cells readily adhered, formed junctions and small size aggregates on all films. As many cells adhered on SF as on collagen films. Cell adhesion to high collagen content blend films could not be reliably estimated because cells dwelt in the large cavities in the film. The effect of SF on cell metabolism differed with the investigated metabolic pathway. However, cells on SF-containing films eliminated ammonia and synthesized urea at rates generally comparable to, for urea synthesis at times higher than, that of cells on collagen. These results suggest that silk fibroin is a suitable substratum for liver cell attachment and culture, and a potential alternative to collagen as a biomimetic coating.
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Affiliation(s)
- B Cirillo
- Department of Chemical Engineering and Materials, University of Calabria, Rende, CS, Italy
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Dadras Chomachayi M, Solouk A, Akbari S, Sadeghi D, Mirahmadi F, Mirzadeh H. Electrospun nanofibers comprising of silk fibroin/gelatin for drug delivery applications: Thyme essential oil and doxycycline monohydrate release study. J Biomed Mater Res A 2018; 106:1092-1103. [PMID: 29210169 DOI: 10.1002/jbm.a.36303] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/19/2017] [Accepted: 11/27/2017] [Indexed: 12/29/2022]
Abstract
In this study, a nanofibrous electrospun substrate based on the silk fibroin (SF) and gelatin (GT) polymers were prepared and evaluated. The SF/GT blended solutions were prepared with various ratios of GT in formic acid and electrospun to obtain bead-free fibers. Results showed that addition of GT to SF increased nanofiber's diameter, bulk hydrophilicity, surface wettability, mass loss percentage, but decreased Young's modulus, tensile strength, and porosity of the SF/GT mats. According to the obtained results, the mat containing 10% of GT was selected as the optimized mat for further studies and loaded with thyme essential oil (TEO) and doxycycline monohydrate (DCMH) as the antibacterial agents. Release studies showed a burst release of TEO from the mat within the first 3 h, while the DCMH had a sustained release during 48 h. In comparison to the TEO-loaded mat, the DCMH-loaded one showed larger inhibition zones against Staphylococcus aureus and Klebsiella pneumoniae bacteria. Meanwhile, cellular studies using mouse fibroblast L929 cells showed excellent cell-compatibility of TEO- and DCMH-loaded mats. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 1092-1103, 2018.
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Affiliation(s)
- Masoud Dadras Chomachayi
- Polymer Engineering and Color Technology Faculty, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Atefeh Solouk
- Biomedical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Somaye Akbari
- Textile Engineering Faculty, Amirkabir University of Technology, (Tehran Polytechnic), Tehran, Iran
| | - Davoud Sadeghi
- Biomedical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Fereshteh Mirahmadi
- Biomedical Engineering Department, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.,Department of Oral Cell Biology and Functional Anatomy, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands
| | - Hamid Mirzadeh
- Polymer Engineering and Color Technology Faculty, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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Choi SM, Chaudhry P, Zo SM, Han SS. Advances in Protein-Based Materials: From Origin to Novel Biomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1078:161-210. [PMID: 30357624 DOI: 10.1007/978-981-13-0950-2_10] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Biomaterials play a very important role in biomedicine and tissue engineering where they directly affect the cellular activities and their microenvironment . Myriad of techniques have been employed to fabricate a vast number natural, artificial and recombinant polymer s in order to harness these biomaterials in tissue regene ration , drug delivery and various other applications. Despite of tremendous efforts made in this field during last few decades, advanced and new generation biomaterials are still lacking. Protein based biomaterials have emerged as an attractive alternatives due to their intrinsic properties like cell to cell interaction , structural support and cellular communications. Several protein based biomaterials like, collagen , keratin , elastin , silk protein and more recently recombinant protein s are being utilized in a number of biomedical and biotechnological processes. These protein-based biomaterials have enormous capabilities, which can completely revolutionize the biomaterial world. In this review, we address an up-to date review on the novel, protein-based biomaterials used for biomedical field including tissue engineering, medical science, regenerative medicine as well as drug delivery. Further, we have also emphasized the novel fabrication techniques associated with protein-based materials and implication of these biomaterials in the domain of biomedical engineering .
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Affiliation(s)
- Soon Mo Choi
- Regional Research Institute for Fiber&Fashion Materials, Yeungnam University, Gyeongsan, South Korea
| | - Prerna Chaudhry
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Sun Mi Zo
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeongsan, South Korea.
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