1
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Trossmann VT, Lentz S, Scheibel T. Factors Influencing Properties of Spider Silk Coatings and Their Interactions within a Biological Environment. J Funct Biomater 2023; 14:434. [PMID: 37623678 PMCID: PMC10455157 DOI: 10.3390/jfb14080434] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/10/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023] Open
Abstract
Biomaterials are an indispensable part of biomedical research. However, although many materials display suitable application-specific properties, they provide only poor biocompatibility when implanted into a human/animal body leading to inflammation and rejection reactions. Coatings made of spider silk proteins are promising alternatives for various applications since they are biocompatible, non-toxic and anti-inflammatory. Nevertheless, the biological response toward a spider silk coating cannot be generalized. The properties of spider silk coatings are influenced by many factors, including silk source, solvent, the substrate to be coated, pre- and post-treatments and the processing technique. All these factors consequently affect the biological response of the environment and the putative application of the appropriate silk coating. Here, we summarize recently identified factors to be considered before spider silk processing as well as physicochemical characterization methods. Furthermore, we highlight important results of biological evaluations to emphasize the importance of adjustability and adaption to a specific application. Finally, we provide an experimental matrix of parameters to be considered for a specific application and a guided biological response as exemplarily tested with two different fibroblast cell lines.
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Affiliation(s)
- Vanessa T. Trossmann
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.T.T.); (S.L.)
| | - Sarah Lentz
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.T.T.); (S.L.)
| | - Thomas Scheibel
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.T.T.); (S.L.)
- Bayreuth Center for Colloids and Interfaces (BZKG), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bavarian Polymer Institute (BPI), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuth Center for Molecular Biosciences (BZMB), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuth Materials Center (BayMAT), University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Faculty of Medicine, University of Würzburg, Pleicherwall 2, 97070 Würzburg, Germany
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2
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Peng X, Cui Y, Chen J, Gao C, Yang Y, Yu W, Rai K, Zhang M, Nian R, Bao Z, Sun Y. High-Strength Collagen-Based Composite Films Regulated by Water-Soluble Recombinant Spider Silk Proteins and Water Annealing. ACS Biomater Sci Eng 2022; 8:3341-3353. [PMID: 35894734 DOI: 10.1021/acsbiomaterials.2c00416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Spider silk has attracted extensive attention in the development of high-performance tissue engineering materials because of its excellent physical properties, biocompatibility, and biodegradability. Although high-molecular-weight recombinant spider silk proteins can be obtained through metabolic engineering of host bacteria, the solubility of the recombinant protein products is always poor. Strong denaturants and organic solvents have thus had to be exploited for their dissolution, and this seriously limits the applications of recombinant spider silk protein-based composite biomaterials. Herein, through adjusting the temperature, ionic strength, and denaturation time during the refolding process, we successfully prepared water-soluble recombinant spider major ampullate spidroin 1 (sMaSp1) with different repeat modules (24mer, 48mer, 72mer, and 96mer). Then, MaSp1 was introduced into the collagen matrix for fabricating MaSp1-collagen composite films. The introduction of spider silk proteins was demonstrated to clearly alter the internal structure of the composite films and improve the mechanical properties of the collagen-based films and turn the opaque protein films into transparency ones. More interestingly, the composite film prepared with sMaSp1 exhibited better performance in mechanical strength and cell adhesion compared to that prepared with water-insoluble MaSp1 (pMaSp1), which might be attributed to the effect of the initial dissolved state of MaSp1 on the microstructure of composite films. Additionally, the molecular weight of MaSp1 was also shown to significantly influence the mechanical strength (enhanced to 1.1- to 2.3-fold) and cell adhesion of composite films, and 72mer of sMaSp1 showed the best physical properties with good bioactivity. This study provides a method to produce recombinant spider silk protein with excellent water solubility, making it possible to utilize this protein under environmentally benign, mild conditions. This paves the way for the application of recombinant spider silk proteins in the development of diverse composite biomaterials.
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Affiliation(s)
- Xinying Peng
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China.,University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Beijing 100049, China
| | - Yuting Cui
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Jinhong Chen
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, China
| | - Cungang Gao
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Yang Yang
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Wenfa Yu
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Kamal Rai
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China.,University of Chinese Academy of Sciences, No. 19(A) Yuquan Road, Beijing 100049, China
| | - Ming Zhang
- Qingdao Youheng Biotechnology Co., Ltd., No. 130 Jiushui East Road, Qingdao 266199, China
| | - Rui Nian
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Zixian Bao
- State Key Laboratory of Microbial Technology, Shandong University, No. 72 Binhai Road, Qingdao 266237, China
| | - Yue Sun
- CAS Key Laboratory of Biobased Materials, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
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3
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Sonnleitner D, Sommer C, Scheibel T, Lang G. Approaches to inhibit biofilm formation applying natural and artificial silk-based materials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112458. [PMID: 34857315 DOI: 10.1016/j.msec.2021.112458] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/13/2022]
Abstract
The discovery of penicillin started a new era of health care since it allowed the effective treatment of formerly deadly infections. As a drawback, its overuse led to a growing number of multi-drug resistant pathogens. Challenging this arising threat, material research focuses on the development of microbe-killing or microbe repellent agents implementing such functions directly into materials. Due to their biocompatibility, non-immunogenicity and mechanical strength, silk-based materials are attractive candidates for applications in the biomedical field. Furthermore, it has been observed that silks display high persistency in their natural environment giving reason to suspect that they might be attractive candidates to prevent microbial infestation. The current review describes the process of biofilm formation on medical devices and the most common strategies to prevent it, divided into effects of surface topography, material modification and integrated additives. In this context, recent state of the art developments in the field of natural and artificial silk-based materials with microbe-repellant or antimicrobial properties are addressed. These silk properties are controversially discussed and conclusions are drawn as to which parameters will be decisive for the successful design of new bio-functional materials based on the blueprint of silk proteins.
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Affiliation(s)
- David Sonnleitner
- Biopolymer Processing, Faculty of Engineering Science, University of Bayreuth, Germany
| | - Christoph Sommer
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Germany
| | - Thomas Scheibel
- Chair of Biomaterials, Faculty of Engineering Science, University of Bayreuth, Germany
| | - Gregor Lang
- Biopolymer Processing, Faculty of Engineering Science, University of Bayreuth, Germany.
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4
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Deptuch T, Florczak A, Lewandowska A, Leporowska E, Penderecka K, Marszalek A, Mackiewicz A, Dams-Kozlowska H. MS1-type bioengineered spider silk nanoparticles do not exhibit toxicity in an in vivo mouse model. Nanomedicine (Lond) 2021; 16:1553-1565. [PMID: 34165326 DOI: 10.2217/nnm-2021-0029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: Due to factors such as silk sequence, purification, degradation, morphology and functionalization, each silk variant should be individually tested for potential toxicity. Aim: In vivo toxicological evaluation of the previously characterized bioengineered H2.1MS1 spider silk particles that can deliver chemotherapeutics to human epidermal growth factor receptor 2-positive breast cancer. Materials & methods: Silk nanoparticles (H2.1MS1 and control MS1) were administered intravenously to mice, and then the organismal response was assessed. Several parameters of acute and subchronic toxicity were analyzed, including animal mortality and behavior, nanosphere biodistribution, and histopathological analysis of internal organs. Also, the complete blood count, as well as the concentration of biochemical parameters and cytokines in the serum, were examined. Results & conclusion: No toxicity of the systemically administrated silk nanosphere was observed, indicating their potential application in biomedicine.
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Affiliation(s)
- Tomasz Deptuch
- Chair of Medical Biotechnology, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland.,Department of Diagnostics & Cancer Immunology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
| | - Anna Florczak
- Chair of Medical Biotechnology, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland.,Department of Diagnostics & Cancer Immunology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
| | - Anna Lewandowska
- Department of Tumor Pathology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland.,Department of Tumor Pathology & Prophylaxis, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland
| | - Ewa Leporowska
- Department of Laboratory Diagnostics, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
| | - Karolina Penderecka
- Chair of Medical Biotechnology, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland.,Department of Diagnostics & Cancer Immunology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
| | - Andrzej Marszalek
- Department of Tumor Pathology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland.,Department of Tumor Pathology & Prophylaxis, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland
| | - Andrzej Mackiewicz
- Chair of Medical Biotechnology, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland.,Department of Diagnostics & Cancer Immunology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
| | - Hanna Dams-Kozlowska
- Chair of Medical Biotechnology, Poznan University of Medical Sciences, 15 Garbary St, 61-866, Poznan, Poland.,Department of Diagnostics & Cancer Immunology, Greater Poland Cancer Centre, 15 Garbary St, 61-866, Poznan, Poland
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5
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Liu Y, Huang W, Meng M, Chen M, Cao C. Progress in the application of spider silk protein in medicine. J Biomater Appl 2021; 36:859-871. [PMID: 33853426 DOI: 10.1177/08853282211003850] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Spider silk protein has attracted much attention on account of its excellent mechanical properties, biodegradability, and biocompatibility. As the main protein component of spider silk, spidroin plays important role in spider spinning under natural circumstances and biomaterial application in medicine as well. Compare to the native spidroin which has a large molecular weight (>300 kDa) with highly repeat glycine and polyalanine regions, the recombinant spidroin was maintained the core amino motifs and much easier to collect. Here, we reviewed the application of recombinant spider silk protein eADF4(C16), major ampullate spidroin (MaSp), minor ampullate spidroin (MiSp), and the derivatives of recombinant spider silk protein in drug delivery system. Moreover, we also reviewed the application of spider silk protein in the field of alternative materials, repairing materials, wound dressing, surgical sutures along with advances in recombinant spider silk protein.
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Affiliation(s)
- Yi Liu
- 1Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universities, School of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, China
| | - Wei Huang
- 1Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universities, School of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, China
| | - Minsi Meng
- 1Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universities, School of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, China
| | - Minhui Chen
- 2Department of Neurosurgery, Zigong Fourth People's Hospital, Zigong, China
| | - Chengjian Cao
- 3Department of Clinical Laboratory, Zigong First People's Hospital, Zigong, China
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6
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Ma C, Dong J, Viviani M, Tulini I, Pontillo N, Maity S, Zhou Y, Roos WH, Liu K, Herrmann A, Portale G. De novo rational design of a freestanding, supercharged polypeptide, proton-conducting membrane. SCIENCE ADVANCES 2020; 6:eabc0810. [PMID: 32832651 PMCID: PMC7439445 DOI: 10.1126/sciadv.abc0810] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/04/2020] [Indexed: 05/31/2023]
Abstract
Proton translocation enables important processes in nature and man-made technologies. However, controlling proton conduction and fabrication of devices exploiting biomaterials remains a challenge. Even more difficult is the design of protein-based bulk materials without any functional starting scaffold for further optimization. Here, we show the rational design of proton-conducting, protein materials exceeding reported proteinaceous systems. The carboxylic acid-rich structures were evolved step by step by exploring various sequences from intrinsically disordered coils over supercharged nanobarrels to hierarchically spider β sheet containing protein-supercharged polypeptide chimeras. The latter material is characterized by interconnected β sheet nanodomains decorated on their surface by carboxylic acid groups, forming self-supportive membranes and allowing for proton conduction in the hydrated state. The membranes showed an extraordinary proton conductivity of 18.5 ± 5 mS/cm at RH = 90%, one magnitude higher than other protein devices. This design paradigm offers great potential for bioprotonic device fabrication interfacing artificial and biological systems.
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Affiliation(s)
- Chao Ma
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Jingjin Dong
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Marco Viviani
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Isotta Tulini
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
| | - Nicola Pontillo
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Sourav Maity
- Molecular Biophysics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Yu Zhou
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Wouter H. Roos
- Molecular Biophysics, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Kai Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun, China
- Department of Chemistry, Tsinghua University, 100084 Beijing, China
| | - Andreas Herrmann
- Polymer Chemistry and Bioengineering, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
- DWI–Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52056 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Worringerweg 2, 52074 Aachen, Germany
| | - Giuseppe Portale
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG, The Netherlands
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7
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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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8
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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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9
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Franco AR, Palma Kimmerling E, Silva C, Rodrigues FJ, Leonor IB, Reis RL, Kaplan DL. Silk‐Based Antimicrobial Polymers as a New Platform to Design Drug‐Free Materials to Impede Microbial Infections. Macromol Biosci 2018; 18:e1800262. [DOI: 10.1002/mabi.201800262] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 10/03/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Albina R. Franco
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsUniversity of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory 4805 Braga/Guimarães Portugal
| | | | - Carla Silva
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsUniversity of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory 4805 Braga/Guimarães Portugal
| | - Fernando J. Rodrigues
- ICVS/3B's – PT Government Associate Laboratory 4805 Braga/Guimarães Portugal
- Life and Health Sciences Research Institute, School of Health SciencesUniversity of Minho 4805 Braga Portugal
| | - Isabel B. Leonor
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsUniversity of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory 4805 Braga/Guimarães Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and BiomimeticsUniversity of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra 4805‐017 Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory 4805 Braga/Guimarães Portugal
- The Discoveries Centre for Regenerative and Precision MedicineHeadquarters at University of Minho Avepark 4805‐017 Barco Guimarães Portugal
| | - David L. Kaplan
- Department of Biomedical EngineeringTufts University Medford MA 02155 USA
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10
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Hardy JG, Bertin A, Torres‐Rendon JG, Leal‐Egaña A, Humenik M, Bauer F, Walther A, Cölfen H, Schlaad H, Scheibel TR. Facile Photochemical Modification of Silk Protein–Based Biomaterials. Macromol Biosci 2018; 18:e1800216. [DOI: 10.1002/mabi.201800216] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/25/2018] [Indexed: 12/24/2022]
Affiliation(s)
- John G. Hardy
- Biomaterials, Faculty of Engineering Science, University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
- Department of ChemistryLancaster University Lancaster LA1 4YB UK
- Materials Science InstituteLancaster University Lancaster LA1 4YB UK
| | - Annabelle Bertin
- German Federal Institute for Materials Research and Testing (BAM) Unter den Eichen 87 12205 Berlin Germany
- Institute of Chemistry and BiochemistryFree University of Berlin Takustraße 3 14195 Berlin Germany
| | | | - Aldo Leal‐Egaña
- Biomaterials, Faculty of Engineering Science, University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
- Institute of BiomaterialsUniversity of Erlangen‐Nuremberg Ulrich‐Schalk‐Straße 3 91056 Erlangen Germany
| | - Martin Humenik
- Biomaterials, Faculty of Engineering Science, University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Felix Bauer
- Biomaterials, Faculty of Engineering Science, University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
| | - Andreas Walther
- DWI Leibniz Institute for Interactive Materials Forckenbeckstraße 50 52056 Aachen Germany
- Institute for Macromolecular ChemistryUniversity of Freiburg Stefan‐Meier‐Straße 31 79104 Freiburg Germany
- Freiburg Materials Research CenterUniversity of Freiburg Stefan‐Meier‐Straße 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired TechnologiesUniversity of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany
| | - Helmut Cölfen
- Physical Chemistry GroupDepartment of ChemistryUniversity of Konstanz Universitätsstraße 10 78457 Konstanz Germany
| | - Helmut Schlaad
- Institute of ChemistryUniversity of Potsdam Karl‐Liebknecht‐Straße 24‐25 14476 Potsdam Germany
| | - Thomas R. Scheibel
- Biomaterials, Faculty of Engineering Science, University of Bayreuth Universitätsstraße 30 95447 Bayreuth Germany
- Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG)Universität Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
- Bayerisches Polymerinstitut (BPI)Universität Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
- Bayreuther Zentrum für Bio‐Makromoleküle (Bio‐Mac)Universität Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
- Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB)Universität Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
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11
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Aigner TB, DeSimone E, Scheibel T. Biomedical Applications of Recombinant Silk-Based Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1704636. [PMID: 29436028 DOI: 10.1002/adma.201704636] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 10/26/2017] [Indexed: 05/18/2023]
Abstract
Silk is mostly known as a luxurious textile, which originates from silkworms first cultivated in China. A deeper look into the variety of silk reveals that it can be used for much more, in nature and by humanity. For medical purposes, natural silks were recognized early as a potential biomaterial for surgical threads or wound dressings; however, as biomedical engineering advances, the demand for high-performance, naturally derived biomaterials becomes more pressing and stringent. A common problem of natural materials is their large batch-to-batch variation, the quantity available, their potentially high immunogenicity, and their fast biodegradation. Some of these common problems also apply to silk; therefore, recombinant approaches for producing silk proteins have been developed. There are several research groups which study and utilize various recombinantly produced silk proteins, and many of these have also investigated their products for biomedical applications. This review gives a critical overview over of the results for applications of recombinant silk proteins in biomedical engineering.
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Affiliation(s)
| | - Elise DeSimone
- University Bayreuth, Lehrstuhl Biomaterialien, Universitätsstr. 30, 95447, Bayreuth, Germany
| | - Thomas Scheibel
- Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Bayreuther Zentrum für Bio-Makromoleküle (bio-mac), Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Bayreuther Materialzentrum (BayMAT), Bayerisches Polymerinstitut (BPI), University Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
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12
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Agostini E, Winter G, Engert J. Scale-up of water-based spider silk film casting using a film applicator. Int J Pharm 2017; 532:13-20. [PMID: 28844898 DOI: 10.1016/j.ijpharm.2017.08.090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 08/17/2017] [Accepted: 08/19/2017] [Indexed: 10/19/2022]
Abstract
Spider silk proteins for applications in drug delivery have attracted an increased interest during the past years. Some possible future medical applications for this biocompatible and biodegradable material are scaffolds for tissue engineering, implantable drug delivery systems and coatings for implants. Recently, we reported on the preparation of water-based spider silk films for drug delivery applications. In the current study, we describe the development of a manufacturing technique for casting larger spider silk films from aqueous solution employing a film applicator. Films were characterized in terms of morphology, water solubility, protein secondary structure, thermal stability, and mechanical properties. Different post-treatments were evaluated (phosphate ions, ethanol, steam sterilization and water vapor) to increase the content of β-sheets thereby achieving water insolubility of the films. Finally, the mechanical properties of the spider silk films were improved by incorporating 2-pyrrolidone as plasticizer.
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Affiliation(s)
- Elisa Agostini
- Ludwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology & Biopharmaceutics, Butenandtstr. 5, D-81377, Munich, Germany
| | - Gerhard Winter
- Ludwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology & Biopharmaceutics, Butenandtstr. 5, D-81377, Munich, Germany
| | - Julia Engert
- Ludwig-Maximilians-University, Department of Pharmacy, Pharmaceutical Technology & Biopharmaceutics, Butenandtstr. 5, D-81377, Munich, Germany.
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13
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Herold HM, Scheibel T. Applicability of biotechnologically produced insect silks. ACTA ACUST UNITED AC 2017; 72:365-385. [DOI: 10.1515/znc-2017-0050] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 06/30/2017] [Indexed: 11/15/2022]
Abstract
Abstract
Silks are structural proteins produced by arthropods. Besides the well-known cocoon silk, which is produced by larvae of the silk moth Bombyx mori to undergo metamorphosis inside their silken shelter (and which is also used for textile production by men since millennia), numerous further less known silk-producing animals exist. The ability to produce silk evolved multiple independent times during evolution, and the fact that silk was subject to convergent evolution gave rise to an abundant natural diversity of silk proteins. Silks are used in air, under water, or like honey bee silk in the hydrophobic, waxen environment of the bee hive. The good mechanical properties of insect silk fibres together with their non-toxic, biocompatible, and biodegradable nature renders these materials appealing for both technical and biomedical applications. Although nature provides a great diversity of material properties, the variation in quality inherent in materials from natural sources together with low availability (except from silkworm silk) impeded the development of applications of silks. To overcome these two drawbacks, in recent years, recombinant silks gained more and more interest, as the biotechnological production of silk proteins allows for a scalable production at constant quality. This review summarises recent developments in recombinant silk production as well as technical procedures to process recombinant silk proteins into fibres, films, and hydrogels.
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Affiliation(s)
- Heike M. Herold
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
| | - Thomas Scheibel
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
- Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
- Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
- Institut für Bio-Makromoleküle (bio-mac), Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
- Bayreuther Materialzentrum (BayMAT), Universität Bayreuth , Universitätsstraße 30 , 95440 Bayreuth , Germany
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14
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Tham AY, Gandhimathi C, Praveena J, Venugopal JR, Ramakrishna S, Kumar SD. Minocycline Loaded Hybrid Composites Nanoparticles for Mesenchymal Stem Cells Differentiation into Osteogenesis. Int J Mol Sci 2016; 17:ijms17081222. [PMID: 27483240 PMCID: PMC5000620 DOI: 10.3390/ijms17081222] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 07/01/2016] [Accepted: 07/15/2016] [Indexed: 01/14/2023] Open
Abstract
Bone transplants are used to treat fractures and increase new tissue development in bone tissue engineering. Grafting of massive implantations showing slow curing rate and results in cell death for poor vascularization. The potentials of biocomposite scaffolds to mimic extracellular matrix (ECM) and including new biomaterials could produce a better substitute for new bone tissue formation. A purpose of this study is to analyze polycaprolactone/silk fibroin/hyaluronic acid/minocycline hydrochloride (PCL/SF/HA/MH) nanoparticles initiate human mesenchymal stem cells (MSCs) proliferation and differentiation into osteogenesis. Electrospraying technique was used to develop PCL, PCL/SF, PCL/SF/HA and PCL/SF/HA/MH hybrid biocomposite nanoparticles and characterization was analyzed by field emission scanning electron microscope (FESEM), contact angle and Fourier transform infrared spectroscopy (FT-IR). The obtained results proved that the particle diameter and water contact angle obtained around 0.54 ± 0.12 to 3.2 ± 0.18 µm and 43.93 ± 10.8° to 133.1 ± 12.4° respectively. The cell proliferation and cell-nanoparticle interactions analyzed using (3-(4,5-dimethyl thiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt) MTS assay (Promega, Madison, WI, USA), FESEM for cell morphology and 5-Chloromethylfluorescein diacetate (CMFDA) dye for imaging live cells. Osteogenic differentiation was proved by expression of osteocalcin, alkaline phosphatase activity (ALP) and mineralization was confirmed by using alizarin red (ARS). The quantity of cells was considerably increased in PCL/SF/HA/MH nanoparticles when compare to all other biocomposite nanoparticles and the cell interaction was observed more on PCL/SF/HA/MH nanoparticles. The electrosprayed PCL/SF/HA/MH biocomposite nanoparticle significantly initiated increased cell proliferation, osteogenic differentiation and mineralization, which provide huge potential for bone tissue engineering.
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Affiliation(s)
- Allister Yingwei Tham
- Cellular and Molecular Epigenetics Lab, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore.
| | - Chinnasamy Gandhimathi
- Cellular and Molecular Epigenetics Lab, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore.
| | - Jayaraman Praveena
- Cellular and Molecular Epigenetics Lab, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore.
| | - Jayarama Reddy Venugopal
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore.
| | - Seeram Ramakrishna
- Center for Nanofibers and Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore.
| | - Srinivasan Dinesh Kumar
- Cellular and Molecular Epigenetics Lab, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore.
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15
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Hardy JG, Torres-Rendon JG, Leal-Egaña A, Walther A, Schlaad H, Cölfen H, Scheibel TR. Biomineralization of Engineered Spider Silk Protein-Based Composite Materials for Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2016; 9:E560. [PMID: 28773681 PMCID: PMC5456849 DOI: 10.3390/ma9070560] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 06/06/2016] [Accepted: 06/24/2016] [Indexed: 01/26/2023]
Abstract
Materials based on biodegradable polyesters, such as poly(butylene terephthalate) (PBT) or poly(butylene terephthalate-co-poly(alkylene glycol) terephthalate) (PBTAT), have potential application as pro-regenerative scaffolds for bone tissue engineering. Herein, the preparation of films composed of PBT or PBTAT and an engineered spider silk protein, (eADF4(C16)), that displays multiple carboxylic acid moieties capable of binding calcium ions and facilitating their biomineralization with calcium carbonate or calcium phosphate is reported. Human mesenchymal stem cells cultured on films mineralized with calcium phosphate show enhanced levels of alkaline phosphatase activity suggesting that such composites have potential use for bone tissue engineering.
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Affiliation(s)
- John G Hardy
- Lehrstuhl Biomaterialien, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95447, Germany.
| | | | - Aldo Leal-Egaña
- Lehrstuhl Biomaterialien, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95447, Germany.
| | - Andreas Walther
- DWI Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, Aachen 52056, Germany.
| | - Helmut Schlaad
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, Potsdam 14476, Germany.
| | - Helmut Cölfen
- Physical Chemistry, Department of Chemistry, University of Konstanz, Universitätsstr. 10, Konstanz D-78457, Germany.
| | - Thomas R Scheibel
- Lehrstuhl Biomaterialien, Universität Bayreuth, Universitätsstraße 30, Bayreuth 95447, Germany.
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16
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To spin or not to spin: spider silk fibers and more. Appl Microbiol Biotechnol 2015; 99:9361-80. [DOI: 10.1007/s00253-015-6948-8] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 08/16/2015] [Accepted: 08/20/2015] [Indexed: 12/18/2022]
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17
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Water-based preparation of spider silk films as drug delivery matrices. J Control Release 2015; 213:134-141. [DOI: 10.1016/j.jconrel.2015.06.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 06/16/2015] [Accepted: 06/17/2015] [Indexed: 02/03/2023]
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18
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Copeland CG, Bell BE, Christensen CD, Lewis RV. Development of a Process for the Spinning of Synthetic Spider Silk. ACS Biomater Sci Eng 2015; 1:577-584. [PMID: 27064312 DOI: 10.1021/acsbiomaterials.5b00092] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Spider silks have unique mechanical properties but current efforts to duplicate those properties with recombinant proteins have been unsuccessful. This study was designed to develop a single process to spin fibers with excellent and consistent mechanical properties. As-spun fibers produced were brittle, but by stretching the fibers the mechanical properties were greatly improved. A water-dip or water-stretch further increased the strength and elongation of the synthetic spider silk fibers. Given the promising results of the water stretch, a mechanical double-stretch system was developed. Both a methanol/water mixture and an isopropanol/water mixture were independently used to stretch the fibers with this system. It was found that the methanol mixture produced fibers with high tensile strength while the isopropanol mixture produced fibers with high elongation.
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Affiliation(s)
- Cameron G Copeland
- Department of Biological Engineering and Synthetic Biomanufacturing Center, Utah State University, 650 East 1600 North, Logan, Utah 84341, United States
| | - Brianne E Bell
- Department of Biological Engineering and Synthetic Biomanufacturing Center, Utah State University, 650 East 1600 North, Logan, Utah 84341, United States
| | - Chad D Christensen
- Department of Biological Engineering and Synthetic Biomanufacturing Center, Utah State University, 650 East 1600 North, Logan, Utah 84341, United States
| | - Randolph V Lewis
- Department of Biological Engineering and Synthetic Biomanufacturing Center, Utah State University, 650 East 1600 North, Logan, Utah 84341, United States
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19
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Hardy JG, Geissler SA, Aguilar D, Villancio-Wolter MK, Mouser DJ, Sukhavasi RC, Cornelison RC, Tien LW, Preda RC, Hayden RS, Chow JK, Nguy L, Kaplan DL, Schmidt CE. Instructive Conductive 3D Silk Foam-Based Bone Tissue Scaffolds Enable Electrical Stimulation of Stem Cells for Enhanced Osteogenic Differentiation. Macromol Biosci 2015; 15:1490-6. [PMID: 26033953 DOI: 10.1002/mabi.201500171] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 05/06/2015] [Indexed: 11/11/2022]
Abstract
Stimuli-responsive materials enabling the behavior of the cells that reside within them to be controlled are vital for the development of instructive tissue scaffolds for tissue engineering. Herein, we describe the preparation of conductive silk foam-based bone tissue scaffolds that enable the electrical stimulation of human mesenchymal stem cells (HMSCs) to enhance their differentiation toward osteogenic outcomes.
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Affiliation(s)
- John G Hardy
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, 32611, USA. .,Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA. .,Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155, USA.
| | - Sydney A Geissler
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, 32611, USA.,Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - David Aguilar
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - Maria K Villancio-Wolter
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, 32611, USA
| | - David J Mouser
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - Rushi C Sukhavasi
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - R Chase Cornelison
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, 32611, USA.,Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - Lee W Tien
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155, USA
| | - R Carmen Preda
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155, USA
| | - Rebecca S Hayden
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155, USA
| | - Jacqueline K Chow
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - Lindsey Nguy
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155, USA.
| | - Christine E Schmidt
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, Florida, 32611, USA. .,Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas, 78712, USA.
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20
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Hardy JG, Amend MN, Geissler S, Lynch VM, Schmidt CE. Peptide-directed assembly of functional supramolecular polymers for biomedical applications: electroactive molecular tongue-twisters (oligoalanine–oligoaniline–oligoalanine) for electrochemically enhanced drug delivery. J Mater Chem B 2015; 3:5005-5009. [DOI: 10.1039/c5tb00106d] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the preparation and characterization of films of electroactive supramolecular polymers based on non-electroactive oligoalanines and electroactive oligoanilines.
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Affiliation(s)
- John G. Hardy
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin
- USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
| | - Megan N. Amend
- J. Crayton Pruitt Family Department of Biomedical Engineering
- University of Florida
- Gainesville
- USA
| | - Sydney Geissler
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin
- USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
| | - Vincent M. Lynch
- Department of Chemistry
- The University of Texas at Austin
- Austin
- USA
| | - Christine E. Schmidt
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin
- USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
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21
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Desai MS, Lee SW. Protein-based functional nanomaterial design for bioengineering applications. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2014; 7:69-97. [DOI: 10.1002/wnan.1303] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Revised: 08/12/2014] [Accepted: 09/02/2014] [Indexed: 01/01/2023]
Affiliation(s)
- Malav S. Desai
- Department of Bioengineering; University of California, Berkeley; Berkeley CA USA
- Physical Biosciences Division; Lawrence Berkeley National Laboratory; Berkeley CA USA
| | - Seung-Wuk Lee
- Department of Bioengineering; University of California, Berkeley; Berkeley CA USA
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22
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Price R, Poursaid A, Ghandehari H. Controlled release from recombinant polymers. J Control Release 2014; 190:304-13. [PMID: 24956486 PMCID: PMC4142100 DOI: 10.1016/j.jconrel.2014.06.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 06/10/2014] [Accepted: 06/13/2014] [Indexed: 12/13/2022]
Abstract
Recombinant polymers provide a high degree of molecular definition for correlating structure with function in controlled release. The wide array of amino acids available as building blocks for these materials lend many advantages including biorecognition, biodegradability, potential biocompatibility, and control over mechanical properties among other attributes. Genetic engineering and DNA manipulation techniques enable the optimization of structure for precise control over spatial and temporal release. Unlike the majority of chemical synthetic strategies used, recombinant DNA technology has allowed for the production of monodisperse polymers with specifically defined sequences. Several classes of recombinant polymers have been used for controlled drug delivery. These include, but are not limited to, elastin-like, silk-like, and silk-elastinlike proteins, as well as emerging cationic polymers for gene delivery. In this article, progress and prospects of recombinant polymers used in controlled release will be reviewed.
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Affiliation(s)
- Robert Price
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, USA; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, USA
| | - Azadeh Poursaid
- Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, USA; Department of Bioengineering, University of Utah, Salt Lake City, UT, USA
| | - Hamidreza Ghandehari
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, USA; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, USA; Department of Bioengineering, University of Utah, Salt Lake City, UT, USA.
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23
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Tucker CL, Jones JA, Bringhurst HN, Copeland CG, Addison JB, Weber WS, Mou Q, Yarger JL, Lewis RV. Mechanical and physical properties of recombinant spider silk films using organic and aqueous solvents. Biomacromolecules 2014; 15:3158-70. [PMID: 25030809 PMCID: PMC4130237 DOI: 10.1021/bm5007823] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
Spider
silk has exceptional mechanical and biocompatibility properties.
The goal of this study was optimization of the mechanical properties
of synthetic spider silk thin films made from synthetic forms of MaSp1
and MaSp2, which compose the dragline silk of Nephila
clavipes. We increased the mechanical stress of MaSp1
and 2 films solubilized in both HFIP and water by adding glutaraldehyde
and then stretching them in an alcohol based stretch bath. This resulted
in stresses as high as 206 MPa and elongations up to 35%, which is
4× higher than the as-poured controls. Films were analyzed using
NMR, XRD, and Raman, which showed that the secondary structure after
solubilization and film formation in as-poured films is mainly a helical
conformation. After the post-pour stretch in a methanol/water bath,
the MaSp proteins in both the HFIP and water-based films formed aligned
β-sheets similar to those in spider silk fibers.
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Affiliation(s)
- Chauncey L Tucker
- Departments of †Biological Engineering and ‡Biology, Utah State University , Logan, Utah 84322, United States
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24
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Hardy JG, Pfaff A, Leal-Egaña A, Müller AHE, Scheibel TR. Glycopolymer Functionalization of Engineered Spider Silk Protein-based Materials for Improved Cell Adhesion. Macromol Biosci 2014; 14:936-42. [DOI: 10.1002/mabi.201400020] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Revised: 02/20/2014] [Indexed: 01/21/2023]
Affiliation(s)
- John G. Hardy
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften; Universität Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany
| | - André Pfaff
- Makromolekulare Chemie II; Universität Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany
| | - Aldo Leal-Egaña
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften; Universität Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany
| | - Axel H. E. Müller
- Makromolekulare Chemie II; Universität Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany
- Johannes Gutenberg-Universität Mainz; Institute of Organic Chemistry; Duesbergweg 10-14 D-55099 Mainz Germany
| | - Thomas R. Scheibel
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften; Universität Bayreuth; Universitätsstraße 30 95440 Bayreuth Germany
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25
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Hardy JG, Mouser DJ, Arroyo-Currás N, Geissler S, Chow JK, Nguy L, Kim JM, Schmidt CE. Biodegradable electroactive polymers for electrochemically-triggered drug delivery. J Mater Chem B 2014; 2:6809-6822. [DOI: 10.1039/c4tb00355a] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report biodegradable electroactive polymer (EAP)-based materials and their application as drug delivery devices.
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Affiliation(s)
- John G. Hardy
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
- University of Florida
| | - David J. Mouser
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
| | | | - Sydney Geissler
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
- University of Florida
| | - Jacqueline K. Chow
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
| | - Lindsey Nguy
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
| | - Jong M. Kim
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
| | - Christine E. Schmidt
- Department of Biomedical Engineering
- The University of Texas at Austin
- Austin, USA
- J. Crayton Pruitt Family Department of Biomedical Engineering
- University of Florida
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