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Branković M, Zivic F, Grujovic N, Stojadinovic I, Milenkovic S, Kotorcevic N. Review of Spider Silk Applications in Biomedical and Tissue Engineering. Biomimetics (Basel) 2024; 9:169. [PMID: 38534854 DOI: 10.3390/biomimetics9030169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/28/2024] Open
Abstract
This review will present the latest research related to the production and application of spider silk and silk-based materials in reconstructive and regenerative medicine and tissue engineering, with a focus on musculoskeletal tissues, and including skin regeneration and tissue repair of bone and cartilage, ligaments, muscle tissue, peripheral nerves, and artificial blood vessels. Natural spider silk synthesis is reviewed, and the further recombinant production of spider silk proteins. Research insights into possible spider silk structures, like fibers (1D), coatings (2D), and 3D constructs, including porous structures, hydrogels, and organ-on-chip designs, have been reviewed considering a design of bioactive materials for smart medical implants and drug delivery systems. Silk is one of the toughest natural materials, with high strain at failure and mechanical strength. Novel biomaterials with silk fibroin can mimic the tissue structure and promote regeneration and new tissue growth. Silk proteins are important in designing tissue-on-chip or organ-on-chip technologies and micro devices for the precise engineering of artificial tissues and organs, disease modeling, and the further selection of adequate medical treatments. Recent research indicates that silk (films, hydrogels, capsules, or liposomes coated with silk proteins) has the potential to provide controlled drug release at the target destination. However, even with clear advantages, there are still challenges that need further research, including clinical trials.
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Affiliation(s)
- Marija Branković
- Institute for Information Technologies, University of Kragujevac, Jovana Cvijića bb, 34000 Kragujevac, Serbia
- Faculty of Engineering, University of Kragujevac, Liceja Knezevine Srbije 1A, 34000 Kragujevac, Serbia
| | - Fatima Zivic
- Faculty of Engineering, University of Kragujevac, Liceja Knezevine Srbije 1A, 34000 Kragujevac, Serbia
| | - Nenad Grujovic
- Faculty of Engineering, University of Kragujevac, Liceja Knezevine Srbije 1A, 34000 Kragujevac, Serbia
| | - Ivan Stojadinovic
- Clinic for Orthopaedics and Traumatology, University Clinical Center, Zmaj Jovina 30, 34000 Kragujevac, Serbia
- Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
| | - Strahinja Milenkovic
- Faculty of Engineering, University of Kragujevac, Liceja Knezevine Srbije 1A, 34000 Kragujevac, Serbia
| | - Nikola Kotorcevic
- Faculty of Engineering, University of Kragujevac, Liceja Knezevine Srbije 1A, 34000 Kragujevac, Serbia
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Peng X, Liu Z, Gao J, Zhang Y, Wang H, Li C, Lv X, Gao Y, Deng H, Zhao B, Gao T, Li H. Influence of Spider Silk Protein Structure on Mechanical and Biological Properties for Energetic Material Detection. Molecules 2024; 29:1025. [PMID: 38474537 PMCID: PMC10934110 DOI: 10.3390/molecules29051025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Spider silk protein, renowned for its excellent mechanical properties, biodegradability, chemical stability, and low immune and inflammatory response activation, consists of a core domain with a repeat sequence and non-repeating sequences at the N-terminal and C-terminal. In this review, we focus on the relationship between the silk structure and its mechanical properties, exploring the potential applications of spider silk materials in the detection of energetic materials.
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Affiliation(s)
- Xinying Peng
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Zhiyong Liu
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Junhong Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Yuhao Zhang
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Hong Wang
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Cunzhi Li
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Xiaoqiang Lv
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Yongchao Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Hui Deng
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Bin Zhao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Ting Gao
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
| | - Huan Li
- Toxicology Research Center, Institute for Hygiene of Ordnance Industry, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China (Z.L.)
- Xi’an Key Laboratory of Toxicology and Biological Effects, NO. 12 Zhangbadong Road, Yanta District, Xi’an 710065, China
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Bittencourt DMDC, Oliveira P, Michalczechen-Lacerda VA, Rosinha GMS, Jones JA, Rech EL. Bioengineering of spider silks for the production of biomedical materials. Front Bioeng Biotechnol 2022; 10:958486. [PMID: 36017345 PMCID: PMC9397580 DOI: 10.3389/fbioe.2022.958486] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/14/2022] [Indexed: 11/13/2022] Open
Abstract
Spider silks are well known for their extraordinary mechanical properties. This characteristic is a result of the interplay of composition, structure and self-assembly of spider silk proteins (spidroins). Advances in synthetic biology have enabled the design and production of spidroins with the aim of biomimicking the structure-property-function relationships of spider silks. Although in nature only fibers are formed from spidroins, in vitro, scientists can explore non-natural morphologies including nanofibrils, particles, capsules, hydrogels, films or foams. The versatility of spidroins, along with their biocompatible and biodegradable nature, also placed them as leading-edge biological macromolecules for improved drug delivery and various biomedical applications. Accordingly, in this review, we highlight the relationship between the molecular structure of spider silk and its mechanical properties and aims to provide a critical summary of recent progress in research employing recombinantly produced bioengineered spidroins for the production of innovative bio-derived structural materials.
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Affiliation(s)
- Daniela Matias de C. Bittencourt
- Embrapa Genetic Resources and Biotechnology, National Institute of Science and Technology—Synthetic Biology, Brasília, DF, Brazil
- *Correspondence: Elibio L. Rech, ; Daniela Matias de C. Bittencourt,
| | - Paula Oliveira
- Department of Biology, Utah State University, Logan, UT, United States
| | | | - Grácia Maria Soares Rosinha
- Embrapa Genetic Resources and Biotechnology, National Institute of Science and Technology—Synthetic Biology, Brasília, DF, Brazil
| | - Justin A. Jones
- Department of Biology, Utah State University, Logan, UT, United States
| | - Elibio L. Rech
- Embrapa Genetic Resources and Biotechnology, National Institute of Science and Technology—Synthetic Biology, Brasília, DF, Brazil
- *Correspondence: Elibio L. Rech, ; Daniela Matias de C. Bittencourt,
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Ramezaniaghdam M, Nahdi ND, Reski R. Recombinant Spider Silk: Promises and Bottlenecks. Front Bioeng Biotechnol 2022; 10:835637. [PMID: 35350182 PMCID: PMC8957953 DOI: 10.3389/fbioe.2022.835637] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/01/2022] [Indexed: 02/02/2023] Open
Abstract
Spider silk threads have exceptional mechanical properties such as toughness, elasticity and low density, which reach maximum values compared to other fibre materials. They are superior even compared to Kevlar and steel. These extraordinary properties stem from long length and specific protein structures. Spider silk proteins can consist of more than 20,000 amino acids. Polypeptide stretches account for more than 90% of the whole protein, and these domains can be repeated more than a hundred times. Each repeat unit has a specific function resulting in the final properties of the silk. These properties make them attractive for innovative material development for medical or technical products as well as cosmetics. However, with livestock breeding of spiders it is not possible to reach high volumes of silk due to the cannibalistic behaviour of these animals. In order to obtain spider silk proteins (spidroins) on a large scale, recombinant production is attempted in various expression systems such as plants, bacteria, yeasts, insects, silkworms, mammalian cells and animals. For viable large-scale production, cost-effective and efficient production systems are needed. This review describes the different types of spider silk, their proteins and structures and discusses the production of these difficult-to-express proteins in different host organisms with an emphasis on plant systems.
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Affiliation(s)
- Maryam Ramezaniaghdam
- Plant Biotechnology, Faculty of Biology, University of Freiburg, Freiburg, Germany
- Cluster of Excellence livMatS at FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Freiburg, Germany
| | - Nadia D. Nahdi
- Plant Biotechnology, Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Ralf Reski
- Plant Biotechnology, Faculty of Biology, University of Freiburg, Freiburg, Germany
- Cluster of Excellence livMatS at FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Freiburg, Germany
- *Correspondence: Ralf Reski,
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Whittall DR, Baker KV, Breitling R, Takano E. Host Systems for the Production of Recombinant Spider Silk. Trends Biotechnol 2021; 39:560-573. [PMID: 33051051 DOI: 10.1016/j.tibtech.2020.09.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 11/18/2022]
Abstract
Spider silk is renowned for its impressive mechanical properties. It is one of the strongest known biomaterials, possessing mechanical properties that outmatch both steel and Kevlar. However, the farming of spiders for their silk is unfeasible. Consequently, production of recombinant spider silk proteins (spidroins) in more amenable hosts is an exciting field of research. For large-scale production to be viable, a heterologous silk production system that is both highly efficient and cost effective is essential. Genes encoding recombinant spidroin have been expressed in bacterial, yeast, insect, and mammalian cells, in addition to many other platforms. This review discusses the recent advances in exploiting an increasingly diverse range of host platforms in the heterologous production of recombinant spidroins.
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Affiliation(s)
- Dominic R Whittall
- Manchester Institute of Biotechnology, Manchester Synthetic Biology Research Centre SYNBIOCHEM, Department of Chemistry, The University of Manchester, Manchester, M1 7DN, UK
| | - Katherine V Baker
- Manchester Institute of Biotechnology, Manchester Synthetic Biology Research Centre SYNBIOCHEM, Department of Chemistry, The University of Manchester, Manchester, M1 7DN, UK
| | - Rainer Breitling
- Manchester Institute of Biotechnology, Manchester Synthetic Biology Research Centre SYNBIOCHEM, Department of Chemistry, The University of Manchester, Manchester, M1 7DN, UK
| | - Eriko Takano
- Manchester Institute of Biotechnology, Manchester Synthetic Biology Research Centre SYNBIOCHEM, Department of Chemistry, The University of Manchester, Manchester, M1 7DN, UK.
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Fujiwara M, Kono N, Hirayama A, Malay AD, Nakamura H, Ohtoshi R, Numata K, Tomita M, Arakawa K. Xanthurenic Acid Is the Main Pigment of Trichonephila clavata Gold Dragline Silk. Biomolecules 2021; 11:563. [PMID: 33921320 PMCID: PMC8070366 DOI: 10.3390/biom11040563] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/06/2021] [Accepted: 04/09/2021] [Indexed: 11/16/2022] Open
Abstract
Spider silk is a natural fiber with remarkable strength, toughness, and elasticity that is attracting attention as a biomaterial of the future. Golden orb-weaving spiders (Trichonephila clavata) construct large, strong webs using golden threads. To characterize the pigment of golden T. clavata dragline silk, we used liquid chromatography and mass spectrometric analysis. We found that the major pigment in the golden dragline silk of T. clavata was xanthurenic acid. To investigate the possible function of the pigment, we tested the effect of xanthurenic acid on bacterial growth using gram-negative Escherichia coli and gram-positive Bacillus subtilis. We found that xanthurenic acid had a slight antibacterial effect. Furthermore, to investigate the UV tolerance of the T. clavata threads bleached of their golden color, we conducted tensile deformation tests and scanning electron microscope observations. However, in these experiments, no significant effect was observed. We therefore speculate that golden orb-weaving spiders use the pigment for other purposes, such as to attract their prey in the sunlight.
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Affiliation(s)
- Masayuki Fujiwara
- Institute for Advanced Biosciences, Keio University, Nihonkoku 403-1, Daihoji, Tsuruoka, Yamagata 997-0013, Japan; (M.F.); (N.K.); (A.H.); (M.T.)
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
| | - Nobuaki Kono
- Institute for Advanced Biosciences, Keio University, Nihonkoku 403-1, Daihoji, Tsuruoka, Yamagata 997-0013, Japan; (M.F.); (N.K.); (A.H.); (M.T.)
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
| | - Akiyoshi Hirayama
- Institute for Advanced Biosciences, Keio University, Nihonkoku 403-1, Daihoji, Tsuruoka, Yamagata 997-0013, Japan; (M.F.); (N.K.); (A.H.); (M.T.)
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
| | - Ali D. Malay
- Biomacromolecules Research Team: RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (A.D.M.); (K.N.)
| | - Hiroyuki Nakamura
- Spiber Inc.: Mizukami 234-1, Kakuganji, Tsuruoka, Yamagata 997-0052, Japan; (H.N.); (R.O.)
| | - Rintaro Ohtoshi
- Spiber Inc.: Mizukami 234-1, Kakuganji, Tsuruoka, Yamagata 997-0052, Japan; (H.N.); (R.O.)
| | - Keiji Numata
- Biomacromolecules Research Team: RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; (A.D.M.); (K.N.)
| | - Masaru Tomita
- Institute for Advanced Biosciences, Keio University, Nihonkoku 403-1, Daihoji, Tsuruoka, Yamagata 997-0013, Japan; (M.F.); (N.K.); (A.H.); (M.T.)
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
- Faculty of Environment and Information Studies, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
| | - Kazuharu Arakawa
- Institute for Advanced Biosciences, Keio University, Nihonkoku 403-1, Daihoji, Tsuruoka, Yamagata 997-0013, Japan; (M.F.); (N.K.); (A.H.); (M.T.)
- Systems Biology Program, Graduate School of Media and Governance, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
- Faculty of Environment and Information Studies, Keio University, Endo 5322, Fujisawa, Kanagawa 252-0882, Japan
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Peng CA, Kozubowski L, Marcotte WR. Advances in Plant-Derived Scaffold Proteins. FRONTIERS IN PLANT SCIENCE 2020; 11:122. [PMID: 32161608 PMCID: PMC7052361 DOI: 10.3389/fpls.2020.00122] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 01/27/2020] [Indexed: 05/13/2023]
Abstract
Scaffold proteins form critical biomatrices that support cell adhesion and proliferation for regenerative medicine and drug screening. The increasing demand for such applications urges solutions for cost effective and sustainable supplies of hypoallergenic and biocompatible scaffold proteins. Here, we summarize recent efforts in obtaining plant-derived biosynthetic spider silk analogue and the extracellular matrix protein, collagen. Both proteins are composed of a large number of tandem block repeats, which makes production in bacterial hosts challenging. Furthermore, post-translational modification of collagen is essential for its function which requires co-transformation of multiple copies of human prolyl 4-hydroxylase. We discuss our perspectives on how the GAANTRY system could potentially assist the production of native-sized spider dragline silk proteins and prolyl hydroxylated collagen. The potential of recombinant scaffold proteins in drug delivery and drug discovery is also addressed.
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Hafner K, Montag D, Maeser H, Peng C, Marcotte WR, Dean D, Kennedy MS. Evaluating adhesion and alignment of dental pulp stem cells to a spider silk substrate for tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 81:104-112. [PMID: 28887952 DOI: 10.1016/j.msec.2017.07.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 06/06/2017] [Accepted: 07/13/2017] [Indexed: 12/21/2022]
Abstract
A proposed source of stem cells for nerve regeneration are dental pulp stem cells (DPSCs), based on their close embryonic origin to neurons and the ease with which DPSCs can be obtained from a donor. This study evaluated the response of human DPSCs to spider dragline silk fibers, a potential substrate material for tissue regeneration. The DPSCs' morphology and spread pattern were characterized after these cells were plated onto Nephila clavipes dragline fibers in media. In addition, the responses of two other well established cell lines, osteoblasts (7F2s), and fibroblasts (3T3s), were also studied under identical conditions. The inclusion of 3T3s and 7F2s in this study allowed for both direct comparisons to prior published work and a qualitative comparison to the morphology of the DPSCs. After twelve days, the DPSCs exhibited greater relative alignment and adherence to the spider dragline fibers than the 3T3s and 7F2s. The impact of a common sterilization method (ultraviolet light) on the spider dragline fiber surface and subsequent cell response to this modified surface was also characterized. Exposure of the silk to ultraviolet light did not have a measureable effect on cell alignment, but it did eliminate bacterial growth and changed fiber surface roughness. Spiders' exposure to stressful environments did not have an effect on silk to impair cell alignment or adhesion. Synthetic recombinant protein silk did not act as a substrate for cell adhesion or alignment but hydrogels with similar composition supported cell attachment, growth and proliferation. In all cases, natural drawn spider silk acted as an effective substrate for cellular adhesion and alignment of DPSCs and could be used in neural differentiation applications.
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Affiliation(s)
- Katherine Hafner
- Department of Bioengineering, Clemson University, Rhodes Hall Rm. 301, Clemson, SC 29634, United States
| | - Dallas Montag
- Department of Bioengineering, Clemson University, Rhodes Hall Rm. 301, Clemson, SC 29634, United States
| | - Hannah Maeser
- Department of Materials Science & Engineering, Clemson University, Sirrine Hall Rm. 161, Clemson, SC 29634, United States
| | - Congyue Peng
- Department of Genetics & Biochemistry, Clemson University, Poole Agricultural Center Rm. 154, Clemson, SC 29634, United States
| | - William R Marcotte
- Department of Genetics & Biochemistry, Clemson University, Poole Agricultural Center Rm. 154, Clemson, SC 29634, United States
| | - Delphine Dean
- Department of Bioengineering, Clemson University, Rhodes Hall Rm. 301, Clemson, SC 29634, United States.
| | - Marian S Kennedy
- Department of Materials Science & Engineering, Clemson University, Sirrine Hall Rm. 161, Clemson, SC 29634, United States.
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Lyda TA, Wagner EL, Bourg AX, Peng C, Tomaraei GN, Dean D, Kennedy MS, Marcotte WR. A Leishmania secretion system for the expression of major ampullate spidroin mimics. PLoS One 2017; 12:e0178201. [PMID: 28542539 PMCID: PMC5441639 DOI: 10.1371/journal.pone.0178201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 05/09/2017] [Indexed: 11/18/2022] Open
Abstract
Spider major ampullate silk fibers have been shown to display a unique combination of relatively high fracture strength and toughness compared to other fibers and show potential for tissue engineering scaffolds. While it is not possible to mass produce native spider silks, the potential ability to produce fibers from recombinant spider silk fibers could allow for an increased innovation rate within tissue engineering and regenerative medicine. In this pilot study, we improved upon a prior fabrication route by both changing the expression host and additives to the fiber pulling precursor solution to improve the performance of fibers. The new expression host for producing spidroin protein mimics, protozoan parasite Leishmania tarentolae, has numerous advantages including a relatively low cost of culture, rapid growth rate and a tractable secretion pathway. Tensile testing of hand pulled fibers produced from these spidroin-like proteins demonstrated that additives could significantly modify the fiber's mechanical and/or antimicrobial properties. Cross-linking the proteins with glutaraldehyde before fiber pulling resulted in a relative increase in tensile strength and decrease in ductility. The addition of ampicillin into the spinning solution resulted in the fibers being able to inhibit bacterial growth.
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Affiliation(s)
- Todd A. Lyda
- Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America
| | - Elizabeth L. Wagner
- Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America
| | - Andre X. Bourg
- Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America
| | - Congyue Peng
- Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America
| | - Golnaz Najaf Tomaraei
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina, United States of America
| | - Delphine Dean
- Department of Bioengineering, Clemson University, Clemson, South Carolina, United States of America
| | - Marian S. Kennedy
- Department of Materials Science and Engineering, Clemson University, Clemson, South Carolina, United States of America
| | - William R. Marcotte
- Department of Genetics and Biochemistry, Clemson University, Clemson, South Carolina, United States of America
- * E-mail:
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Liu B, Wang T, Xiao L, Zhang G, Li G, Luo J, Liu X. A directed self-assembly quasi-spider silk protein expressed in Pichia pastoris. BIOTECHNOL BIOTEC EQ 2017. [DOI: 10.1080/13102818.2017.1327823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Bin Liu
- Department of Medicine, Jinggangshan University, Jian, P.R. China
| | - Tao Wang
- Department of Medicine, Jinggangshan University, Jian, P.R. China
| | - Liyan Xiao
- School of Foreign Languages, Jinggangshan University, Jian, P.R. China
| | - Guilan Zhang
- Department of Medicine, Jinggangshan University, Jian, P.R. China
| | - Guangshen Li
- Department of Medicine, Jinggangshan University, Jian, P.R. China
| | - Jingzhi Luo
- Department of Medicine, Jinggangshan University, Jian, P.R. China
| | - Xiaobing Liu
- School of Chemistry and Chemical Engineering, Jinggangshan University, Jian, P.R. China
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11
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Peng CA, Russo J, Lyda TA, Marcotte WR. Polyelectrolyte Fiber Assembly of Plant-Derived Spider Silk-like Proteins. Biomacromolecules 2017; 18:740-746. [PMID: 28196414 DOI: 10.1021/acs.biomac.6b01552] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Spider dragline silk is a proteinaceous material that combines superior toughness and biocompatibility, which makes it a promising biomaterial. The distinct protein structure and the fiber formation process contribute to the superior toughness of dragline silk. Previously, we have produced recombinant spider silk-like proteins in transgenic tobacco that are readily purified from plant extracts. The plant-derived spidroin-like proteins consisted of native major ampullate spidroin 1 or spidroin 2 N- and C-termini flanking 8, 16, or 32 copies of their respective consensus block repeats (mini-spidroins). Here, we present the generation of fibers from mini-spidroins (rMaSp1R8 and rMaSp2R8) by polyelectrolyte complex formation using an anionic polyelectrolyte, gellan gum. Mini-spidroins, when treated with acetic acid and cross-linked by glutaraldehyde, formed a thin film at the interface when overlaid with a gellan gum solution. Immediate pulling of the film resulted in autofluorescent fibrous materials from either mini-spidroin alone or a combination of rMaSp1R8 and rMaSp2R8 (70:30). Addition of chitosan to the mini-spidroin solutions permitted continuous fiber production until the spinning dope supply was exhausted. When air-dried as-spun fibers were rehydrated and stretched in water, the fiber diameter decreased and the overall toughness improved. This study showed that spider silk-like fibers can be produced in large quantities through charge attraction that assembles chitosan, mini-spidroins, and gellan gum into fibrous complexes. We speculate that the spider silk self-assembly process in the duct may involve attraction of variously charged chitinous polymers, spidroins, and glycoproteins.
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Affiliation(s)
- Congyue Annie Peng
- Department of Genetics and Biochemistry, Clemson University , 130 McGinty Court, Robert F. Poole Agricultural Center, Room 154, Clemson, South Carolina 29634, United States
| | - Julia Russo
- Department of Genetics and Biochemistry, Clemson University , 130 McGinty Court, Robert F. Poole Agricultural Center, Room 154, Clemson, South Carolina 29634, United States
| | - Todd A Lyda
- Department of Genetics and Biochemistry, Clemson University , 130 McGinty Court, Robert F. Poole Agricultural Center, Room 154, Clemson, South Carolina 29634, United States
| | - William R Marcotte
- Department of Genetics and Biochemistry, Clemson University , 130 McGinty Court, Robert F. Poole Agricultural Center, Room 154, Clemson, South Carolina 29634, United States
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