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Hemalatha T, Aarthy M, Sundarapandiyan A, Ayyadurai N. Bioengineered Silk Fibroin Hydrogel Reinforced with Collagen-Like Protein Chimeras for Improved Wound Healing. Macromol Biosci 2024:e2400346. [PMID: 39422581 DOI: 10.1002/mabi.202400346] [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: 07/20/2024] [Revised: 09/22/2024] [Indexed: 10/19/2024]
Abstract
The study investigates the potentials of the rapid crosslinking hydrogel concoction comprising of natural silk fibroin (SF) and recombinant tailorable collagen-like protein with binding domains for wound repair. The formation of dityrosine crosslinks between the tyrosine moieties augments the formation of stable hydrogels, in the presence of the cytocompatible photo-initiator riboflavin and visible light. This uniquely engineered PASCH (Photo-activated silk fibroin and tailor-made collagen-like protein hydrogel) confers the key advantage of improved biological properties over the control hydrogels comprising only of SF. The physico-chemical characterization of the hydrogels with respect to crosslinking, modulus, and thermal stability delineates the ascendancy of PASCH 7:3 over other combinations. Furthermore, the hybrid protein hydrogel proves to be a favorable cellular matrix as it enhances cell adhesion, elongation, growth, and proliferation in vitro. Time-lapse microscopy studies reveal an enhanced wound closure in human endothelial cell monolayer (EA.hy926), while the gene expression studies portray the dynamic interplay of cytokines and growth factors in the wound milieu facilitating the repair and regeneration of cells, sculpted by the proteins. The results demonstrate the improved physical and biological properties of fabricated PASCH, depicting their synergism, and implying their competency for use in tissue engineering applications.
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Affiliation(s)
- Thiagarajan Hemalatha
- Department of Biochemistry and Biotechnology, CSIR- Central Leather Research Institute, Chennai, 600020, India
| | - Mayilvahanan Aarthy
- Department of Biochemistry and Biotechnology, CSIR- Central Leather Research Institute, Chennai, 600020, India
| | - Ashokraj Sundarapandiyan
- Department of Biochemistry and Biotechnology, CSIR- Central Leather Research Institute, Chennai, 600020, India
| | - Niraikulam Ayyadurai
- Department of Biochemistry and Biotechnology, CSIR- Central Leather Research Institute, Chennai, 600020, India
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2
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Grabska-Zielińska S. Cross-Linking Agents in Three-Component Materials Dedicated to Biomedical Applications: A Review. Polymers (Basel) 2024; 16:2679. [PMID: 39339142 PMCID: PMC11435819 DOI: 10.3390/polym16182679] [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: 08/22/2024] [Revised: 09/17/2024] [Accepted: 09/20/2024] [Indexed: 09/30/2024] Open
Abstract
In biomaterials research, using one or two components to prepare materials is common. However, there is a growing interest in developing materials composed of three components, as these can offer enhanced physicochemical properties compared to those consisting of one or two components. The introduction of a third component can significantly improve the mechanical strength, biocompatibility, and functionality of the resulting materials. Cross-linking is often employed to further enhance these properties, with chemical cross-linking agents being the most widely used method. This article provides an overview of the chemical agents utilized in the cross-linking of three-component biomaterials. The literature review focused on cases where the material was composed of three components and a chemical substance was employed as the cross-linking agent. The most commonly used cross-linking agents identified in the literature include glyoxal, glutaraldehyde, dialdehyde starch, dialdehyde chitosan, and the EDC/NHS mixture. Additionally, the review briefly discusses materials cross-linked with the MES/EDC mixture, caffeic acid, tannic acid, and genipin. Through a critical analysis of current research, this work aims to guide the development of more effective and safer biopolymeric materials tailored for biomedical applications, highlighting potential areas for further investigation and optimization.
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Affiliation(s)
- Sylwia Grabska-Zielińska
- Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Seminaryjna 3, 85-326 Bydgoszcz, Poland
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3
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Schmuck B, Greco G, Pessatti TB, Sonavane S, Langwallner V, Arndt T, Rising A. Strategies for Making High-Performance Artificial Spider Silk Fibers. ADVANCED FUNCTIONAL MATERIALS 2024; 34:2305040. [PMID: 39355086 PMCID: PMC11440630 DOI: 10.1002/adfm.202305040] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 09/08/2023] [Indexed: 10/03/2024]
Abstract
Artificial spider silk is an attractive material for many technical applications since it is a biobased fiber that can be produced under ambient conditions but still outcompetes synthetic fibers (e.g., Kevlar) in terms of toughness. Industrial use of this material requires bulk-scale production of recombinant spider silk proteins in heterologous host and replication of the pristine fiber's mechanical properties. High molecular weight spider silk proteins can be spun into fibers with impressive mechanical properties, but the production levels are too low to allow commercialization of the material. Small spider silk proteins, on the other hand, can be produced at yields that are compatible with industrial use, but the mechanical properties of such fibers need to be improved. Here, the literature on wet-spinning of artificial spider silk fibers is summarized and analyzed with a focus on mechanical performance. Furthermore, several strategies for how to improve the properties of such fibers, including optimized protein composition, smarter spinning setups, innovative protein engineering, chemical and physical crosslinking as well as the incorporation of nanomaterials in composite fibers, are outlined and discussed.
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Affiliation(s)
- Benjamin Schmuck
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
- Department of Biosciences and NutritionKarolinska Institutet, NeoHuddinge14186Sweden
| | - Gabriele Greco
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
| | - Tomas Bohn Pessatti
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
| | - Sumalata Sonavane
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
| | - Viktoria Langwallner
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
| | - Tina Arndt
- Department of Biosciences and NutritionKarolinska Institutet, NeoHuddinge14186Sweden
| | - Anna Rising
- Department of Anatomy, Physiology, and BiochemistrySwedish University of Agricultural SciencesBox 7011Uppsala75007Sweden
- Department of Biosciences and NutritionKarolinska Institutet, NeoHuddinge14186Sweden
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4
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Massonie M, Pinese C, Simon M, Bethry A, Nottelet B, Garric X. Biodegradable Tyramine Functional Gelatin/6 Arms-PLA Inks Compatible with 3D Two Photon-Polymerization Printing and Meniscus Tissue Regeneration. Biomacromolecules 2024; 25:5098-5109. [PMID: 39042487 DOI: 10.1021/acs.biomac.4c00495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
The meniscus regeneration can present major challenges such as mimicking tissue microstructuration or triggering cell regeneration. In the case of lesions that require a personalized approach, photoprinting offers the possibility of designing resolutive biomaterial structures. The photo-cross-linkable ink composition determines the process ease and the final network properties. In this study, we designed a range of hybrid inks composed of gelatin(G) and 6-PLA arms(P) that were photo-cross-linked using tyramine groups. The photo-cross-linking efficiency, mechanical properties, degradation, and biological interactions of inks with different G/P mass ratios were studied. The G50P50 network properties were suitable for meniscus regeneration, with Young's modulus of 6.5 MPa, degradation in 2 months, and good cell proliferation. We then confirmed the potential of these inks to produce high-resolution microstructures by printing well-defined microstructures using two-photon polymerization. These hybrid inks offer new perspectives for biocompatible, degradable, and microstructured tissue engineering scaffold creation.
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Affiliation(s)
- Mathilde Massonie
- Polymers for Health and Biomaterials, IBMM, CNRS, ENSCM, University of Montpellier, 34090 Montpellier, France
| | - Coline Pinese
- Polymers for Health and Biomaterials, IBMM, CNRS, ENSCM, University of Montpellier, 34090 Montpellier, France
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France
| | - Matthieu Simon
- Cartigen Plateform, University of Montpellier, Montpellier University Hospital, 34090 Montpellier, France
| | - Audrey Bethry
- Polymers for Health and Biomaterials, IBMM, CNRS, ENSCM, University of Montpellier, 34090 Montpellier, France
| | - Benjamin Nottelet
- Polymers for Health and Biomaterials, IBMM, CNRS, ENSCM, University of Montpellier, 34090 Montpellier, France
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France
| | - Xavier Garric
- Polymers for Health and Biomaterials, IBMM, CNRS, ENSCM, University of Montpellier, 34090 Montpellier, France
- Department of Pharmacy, Nîmes University Hospital, 30900 Nimes, France
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Liu F, Deng M, Li J, Zhang Z, Deng Y, Lv L, Li Y, Du H, Zhang C, Li J, Wang B. Silk fibroin biohydrogel composites for loading and ordered release of multiple active ingredients with enhanced bioactivity. Int J Biol Macromol 2024; 275:133251. [PMID: 38945708 DOI: 10.1016/j.ijbiomac.2024.133251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 06/01/2024] [Accepted: 06/16/2024] [Indexed: 07/02/2024]
Abstract
Bioactive hydrogels are currently receiving significant attention. In this study, silk fibroin tyramine-modified gelatin hydrogels (SF-TG) with varying degrees of tyramine root substitution were explored. The physicochemical property and biocompatibility of low degree of substitution tyramine-modified gelatin hydrogel (SF-LTG) and high degree of substitution tyramine-modified gelatin hydrogel (SF-HTG) were compared. The results showed that SF-LTG possessed better mechanical property and higher biocompatibility. Thus, SF-LTG was selected as a bioactive matrix and loaded with basic fibroblast growth factor (bFGF); subsequently, curcumin-coupled chitosan rods (CCCRs-EGF) enriched with epidermal growth factor (EGF) were added to obtain SF-LTG-bFGF@CCCRs-EGF hydrogels. The results showed that SF-LTG-bFGF@CCCRs-EGF retained the basic structural and mechanical properties of the SF-LTG matrix gel material and underwent multiple loading and orderly release with different activities while displaying antioxidant, anti-inflammatory, antimicrobial, and pro-cellular proliferation activities and orderly regulation of activity during wound healing. Therefore, the SF-LTG-bFGF@CCCRs-EGF hydrogel is of great value in healing complex wounds.
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Affiliation(s)
- Feng Liu
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China; Zhejiang Sci-Tech University Shengzhou Innovation Research Institute, Shengzhou 312451, China
| | - Ming Deng
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China; Zhejiang Sci-Tech University Shengzhou Innovation Research Institute, Shengzhou 312451, China
| | - Jiale Li
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Ziying Zhang
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yefeng Deng
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Lianpeng Lv
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yichang Li
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Hao Du
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Chao Zhang
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Junting Li
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Bing Wang
- Department of Polymer Materials, Zhejiang Sci-Tech University, Hangzhou 310018, China; Zhejiang Sci-Tech University Shengzhou Innovation Research Institute, Shengzhou 312451, China.
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6
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Maraldo A, Rnjak-Kovacina J, Marquis C. Tyrosine - a structural glue for hierarchical protein assembly. Trends Biochem Sci 2024; 49:633-648. [PMID: 38653686 DOI: 10.1016/j.tibs.2024.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/25/2024]
Abstract
Protein self-assembly, guided by the interplay of sequence- and environment-dependent liquid-liquid phase separation (LLPS), constitutes a fundamental process in the assembly of numerous intrinsically disordered proteins. Heuristic examination of these proteins has underscored the role of tyrosine residues, evident in their conservation and pivotal involvement in initiating LLPS and subsequent liquid-solid phase transitions (LSPT). The development of tyrosine-templated constructs, designed to mimic their natural counterparts, emerges as a promising strategy for creating adaptive, self-assembling systems with diverse applications. This review explores the central role of tyrosine in orchestrating protein self-assembly, delving into key interactions and examining its potential in innovative applications, including responsive biomaterials and bioengineering.
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Affiliation(s)
- Anton Maraldo
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia
| | - Jelena Rnjak-Kovacina
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia.
| | - Christopher Marquis
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia.
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7
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Smith AM, Flammang P. Analysis of the adhesive secreting cells of Arion subfuscus: insights into the role of microgels in a tough, fast-setting hydrogel glue. SOFT MATTER 2024; 20:4669-4680. [PMID: 38563822 DOI: 10.1039/d4sm00071d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The slug Arion subfuscus produces a tough, highly adhesive defensive secretion. This secretion is a flexible hydrogel that is toughened by a double network mechanism. While synthetic double network gels typically require extensive time to prepare, this slug creates a tough gel in seconds. To gain insight into how the glue forms a double-network hydrogel so rapidly, the secretory apparatus of this slug was analyzed. The goal was to determine how the major components of the glue were distributed and mixed. Most of the glue comes from two types of large unicellular glands; one secretes polyanionic polysaccharides in small, membrane-bound packets, the other secretes proteins that appear to form a cross-linked network. The latter gland shows distinct regions where cross-linking appears to be occurring. These regions are darker, more homogeneous and appear more solid than the rest of the secretory material. The enzyme catalase is highly abundant in these regions, as are basic proteins. These results suggest that a rapid oxidation event occurs in this protein-containing gland, triggering cross-linking before the glue is released. The cross-linked microgels would then join together after secretion to form a granular hydrogel. The polysaccharide-filled packets would be mixed and interspersed among these microgels and may contribute to joining them together. This is an unexpected and highly effective way to form a tough gel rapidly.
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Affiliation(s)
- Andrew M Smith
- Department of Biology, Ithaca College, Ithaca, NY 14850, USA.
| | - Patrick Flammang
- Biology of Marine Organisms and Biomimetics Unit, Research Institute for Biosciences, University of Mons, Mons 7000, Belgium
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8
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Wang T, Qi Y, Miyako E, Bianco A, Ménard-Moyon C. Photocrosslinked Co-Assembled Amino Acid Nanoparticles for Controlled Chemo/Photothermal Combined Anticancer Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307337. [PMID: 38152926 DOI: 10.1002/smll.202307337] [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: 08/23/2023] [Revised: 11/21/2023] [Indexed: 12/29/2023]
Abstract
Nanostructures formed from the self-assembly of amino acids are promising materials in many fields, especially for biomedical applications. However, their low stability resulting from the weak noncovalent interactions between the amino acid building blocks limits their use. In this work, nanoparticles co-assembled by fluorenylmethoxycarbonyl (Fmoc)-protected tyrosine (Fmoc-Tyr-OH) and tryptophan (Fmoc-Trp-OH) are crosslinked by ultraviolet (UV) light irradiation. Two methods are investigated to induce the dimerization of tyrosine, irradiating at 254 nm or at 365 nm in the presence of riboflavin as a photo-initiator. For the crosslinking performed at 254 nm, both Fmoc-Tyr-OH and Fmoc-Trp-OH generate dimers. In contrast, only Fmoc-Tyr-OH participates in the riboflavin-mediated dimerization under irradiation at 365 nm. The participation of both amino acids in forming the dimers leads to more stable crosslinked nanoparticles, allowing also to perform further chemical modifications for cancer applications. The anticancer drug doxorubicin (Dox) is adsorbed onto the crosslinked nanoparticles, subsequently coated by a tannic acid-iron complex, endowing the nanoparticles with glutathione-responsiveness and photothermal properties, allowing to control the release of Dox. A remarkable anticancer efficiency is obtained in vitro and in vivo in tumor-bearing mice thanks to the combined chemo- and photothermal treatment.
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Affiliation(s)
- Tengfei Wang
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Yun Qi
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Eijiro Miyako
- Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, 923-1292, Japan
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Cécilia Ménard-Moyon
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
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Agostinacchio F, Fitzpatrick V, Dirè S, Kaplan DL, Motta A. Silk fibroin-based inks for in situ 3D printing using a double crosslinking process. Bioact Mater 2024; 35:122-134. [PMID: 38312518 PMCID: PMC10837071 DOI: 10.1016/j.bioactmat.2024.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/16/2024] [Accepted: 01/16/2024] [Indexed: 02/06/2024] Open
Abstract
The shortage of tissues and organs for transplantation is an urgent clinical concern. In situ 3D printing is an advanced 3D printing technique aimed at printing the new tissue or organ directly in the patient. The ink for this process is central to the outcomes, and must meet specific requirements such as rapid gelation, shape integrity, stability over time, and adhesion to surrounding healthy tissues. Among natural materials, silk fibroin exhibits fascinating properties that have made it widely studied in tissue engineering and regenerative medicine. However, further improvements in silk fibroin inks are needed to match the requirements for in situ 3D printing. In the present study, silk fibroin-based inks were developed for in situ applications by exploiting covalent crosslinking process consisting of a pre-photo-crosslinking prior to printing and in situ enzymatic crosslinking. Two different silk fibroin molecular weights were characterized and the synergistic effect of the covalent bonds with shear forces enhanced the shift in silk secondary structure toward β-sheets, thus, rapid stabilization. These hydrogels exhibited good mechanical properties, stability over time, and resistance to enzymatic degradation over 14 days, with no significant changes over time in their secondary structure and swelling behavior. Additionally, adhesion to tissues in vitro was demonstrated.
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Affiliation(s)
- Francesca Agostinacchio
- National Interuniversity Consortium of Material Science and Technology, Florence, Italy
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy
| | - Vincent Fitzpatrick
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Sandra Dirè
- Materials Chemistry Group & “Klaus Müller” Magnetic Resonance Laboratory, Department of Industrial Engineering, University of Trento, Trento, Italy
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, 02155, USA
| | - Antonella Motta
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy
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Major G, Ahn M, Cho WW, Santos M, Wise J, Phillips E, Wise SG, Jang J, Rnjak-Kovacina J, Woodfield T, Lim KS. Programming temporal stiffness cues within extracellular matrix hydrogels for modelling cancer niches. Mater Today Bio 2024; 25:101004. [PMID: 38420142 PMCID: PMC10900776 DOI: 10.1016/j.mtbio.2024.101004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
Extracellular matrix (ECM) stiffening is a common occurrence during the progression of many diseases, such as breast cancer. To accurately mimic the pathophysiological context of disease within 3D in vitro models, there is high demand for smart biomaterials which replicate the dynamic and temporal mechanical cues of diseased states. This study describes a preclinical disease model, using breast cancer as an example, which replicates the dynamic plasticity of the tumour microenvironment by incorporating temporal (3-week progression) biomechanical cues within a tissue-specific hydrogel microenvironment. The composite hydrogel formulation, integrating adipose-derived decellularised ECM (AdECM) and silk fibroin, was initially crosslinked using a visible light-mediated system, and then progressively stiffened through spontaneous secondary structure interactions inherent between the polymer chains (∼10-15 kPa increase, with a final stiffness of 25 kPa). When encapsulated and cultured in vitro, MCF-7 breast cancer cells initially formed numerous, large spheroids (>1000 μm2 in area), however, with progressive temporal stiffening, cells demonstrated growth arrest and underwent phenotypic changes resulting in intratumoral heterogeneity. Unlike widely-investigated static mechanical models, this stiffening hydrogel allowed for progressive phenotypic changes to be observed, and fostered the development of mature organoid-like spheroids, which mimicked both the organisation and acinar-structures of mature breast epithelium. The spheroids contained a central population of cells which expressed aggressive cellular programs, evidenced by increased fibronectin expression and reduction of E-cadherin. The phenotypic heterogeneity observed using this model is more reflective of physiological tumours, demonstrating the importance of establishing temporal cues within preclinical models in future work. Overall, the developed model demonstrated a novel strategy to uncouple ECM biomechanical properties from the cellular complexities of the disease microenvironment and offers the potential for wide applicability in other 3D in vitro disease models through addition of tissue-specific dECM materials.
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Affiliation(s)
- Gretel Major
- Department of Orthopaedic Surgery and Musculoskeletal Medicine, Centre for Bioengineering & Nanomedicine, University of Otago, Christchurch, New Zealand
| | - Minjun Ahn
- Pohang University of Science and Technology (POSTECH), Pohang, South Korea
| | - Won-Woo Cho
- Pohang University of Science and Technology (POSTECH), Pohang, South Korea
| | - Miguel Santos
- Applied Materials Group, School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Jessika Wise
- Mackenzie Cancer Research Group, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Elisabeth Phillips
- Mackenzie Cancer Research Group, Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Steven G Wise
- Applied Materials Group, School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Jinah Jang
- Pohang University of Science and Technology (POSTECH), Pohang, South Korea
| | - Jelena Rnjak-Kovacina
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, Australia
- Tyree Institute of Health Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Tim Woodfield
- Department of Orthopaedic Surgery and Musculoskeletal Medicine, Centre for Bioengineering & Nanomedicine, University of Otago, Christchurch, New Zealand
| | - Khoon S Lim
- Department of Orthopaedic Surgery and Musculoskeletal Medicine, Centre for Bioengineering & Nanomedicine, University of Otago, Christchurch, New Zealand
- Light-Activated Materials Group, School of Medical Sciences, University of Sydney, Australia
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Moon SH, Park TY, Cha HJ, Yang YJ. Photo-/thermo-responsive bioink for improved printability in extrusion-based bioprinting. Mater Today Bio 2024; 25:100973. [PMID: 38322663 PMCID: PMC10844750 DOI: 10.1016/j.mtbio.2024.100973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/08/2024] Open
Abstract
Extrusion-based bioprinting has demonstrated significant potential for manufacturing constructs, particularly for 3D cell culture. However, there is a greatly limited number of bioink candidates exploited with extrusion-based bioprinting, as they meet the opposing requirements for printability with indispensable rheological features and for biochemical functionality with desirable microenvironment. In this study, a blend of silk fibroin (SF) and iota-carrageenan (CG) was chosen as a cell-friendly printable material. The SF/CG ink exhibited suitable viscosity and shear-thinning properties, coupled with the rapid sol-gel transition of CG. By employing photo-crosslinking of SF, the printability with Pr value close to 1 and structural integrity of the 3D constructs were significantly improved within a matter of seconds. The printed constructs demonstrated a Young's modulus of approximately 250 kPa, making them suitable for keratinocyte and myoblast cell culture. Furthermore, the high cell adhesiveness and viability (maximum >98%) of the loaded cells underscored the considerable potential of this 3D culture scaffold applied for skin and muscle tissues, which can be easily manipulated using an extrusion-based bioprinter.
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Affiliation(s)
- Seo Hyung Moon
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
| | - Tae Yoon Park
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hyung Joon Cha
- Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
- Medical Science and Engineering, School of Convergence Science and Technology, Pohang University of Science, Pohang, 37673, Republic of Korea
| | - Yun Jung Yang
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
- Inha University Hospital, Incheon, 22332, Republic of Korea
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12
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Dimmitt N, Lin CC. Degradable and Multifunctional PEG-Based Hydrogels Formed by iEDDA Click Chemistry with Stable Click-Induced Supramolecular Interactions. Macromolecules 2024; 57:1556-1568. [PMID: 38435678 PMCID: PMC10903513 DOI: 10.1021/acs.macromol.3c01855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 01/15/2024] [Accepted: 01/25/2024] [Indexed: 03/05/2024]
Abstract
The inverse electron demand Diels-Alder (iEDDA) reactions are highly efficient click chemistry increasingly utilized in bioconjugation, live cell labeling, and the synthesis and modification of biomaterials. iEDDA click reactions have also been used to cross-link tetrazine (Tz) and norbornene (NB) modified macromers [e.g., multiarm poly(ethylene glycol) or PEG]. In these hydrogels, Tz-NB adducts exhibit stable supramolecular interactions with a high hydrolytic stability. Toward engineering a new class of PEG-based click hydrogels with highly adaptable properties, we previously reported a new group of NB-derivatized PEG macromers via reacting hydroxyl-terminated PEG with carbic anhydride (CA). In this work, we show that hydrogels cross-linked by PEGNBCA or its derivatives exhibited fast and tunable hydrolytic degradation. Here, we show that PEGNBCA (either mono- or octafunctional) and its dopamine or tyramine conjugated derivatives (i.e., PEGNB-D and PEGNB-T) readily cross-link with 4-arm PEG-Tz to form a novel class of multifunctional iEDDA click hydrogels. Through modularly adjusting the macromers with unstable and stable iEDDA click-induced supramolecular interactions (iEDDA-CSI), we achieved highly tunable degradation, with full degradation in less than 2 weeks to over two months. We also show that secondary enzymatic reactions could dynamically stiffen these hydrogels. These hydrogels could also be spatiotemporally photopatterned through visible light-initiated photochemistry. Finally, the iEDDA-CSI hydrogels post ester hydrolysis displayed shear-thinning and self-healing properties, enabling injectable delivery.
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Affiliation(s)
- Nathan
H. Dimmitt
- Department of Biomedical Engineering,
Purdue School of Engineering & Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
| | - Chien-Chi Lin
- Department of Biomedical Engineering,
Purdue School of Engineering & Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
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13
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Loh JM, Lim YJL, Tay JT, Cheng HM, Tey HL, Liang K. Design and fabrication of customizable microneedles enabled by 3D printing for biomedical applications. Bioact Mater 2024; 32:222-241. [PMID: 37869723 PMCID: PMC10589728 DOI: 10.1016/j.bioactmat.2023.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/22/2023] [Accepted: 09/30/2023] [Indexed: 10/24/2023] Open
Abstract
Microneedles (MNs) is an emerging technology that employs needles ranging from 10 to 1000 μm in height, as a minimally invasive technique for various procedures such as therapeutics, disease monitoring and diagnostics. The commonly used method of fabrication, micromolding, has the advantage of scalability, however, micromolding is unable to achieve rapid customizability in dimensions, geometries and architectures, which are the pivotal factors determining the functionality and efficacy of the MNs. 3D printing offers a promising alternative by enabling MN fabrication with high dimensional accuracy required for precise applications, leading to improved performance. Furthermore, enabled by its customizability and one-step process, there is propitious potential for growth for 3D-printed MNs especially in the field of personalized and on-demand medical devices. This review provides an overview of considerations for the key parameters in designing MNs, an introduction on the various 3D-printing techniques for fabricating this new generation of MNs, as well as highlighting the advancements in biomedical applications facilitated by 3D-printed MNs. Lastly, we offer some insights into the future prospects of 3D-printed MNs, specifically its progress towards translation and entry into market.
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Affiliation(s)
- Jia Min Loh
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore
| | - Yun Jie Larissa Lim
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore
| | - Jin Ting Tay
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore
| | | | - Hong Liang Tey
- National Skin Centre (NSC), Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
- Yong Loo Ling School of Medicine, National University of Singapore, Singapore
- Skin Research Institute of Singapore, Singapore
| | - Kun Liang
- A*STAR Skin Research Labs (A*SRL), Agency for Science, Technology and Research (A*STAR), Singapore
- Skin Research Institute of Singapore, Singapore
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14
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Xia M, Wang Q, Liu Y, Fang C, Zhang B, Yang S, Zhou F, Lin P, Gu M, Huang C, Zhang X, Li F, Liu H, Wang G, Ling D. Self-propelled assembly of nanoparticles with self-catalytic regulation for tumour-specific imaging and therapy. Nat Commun 2024; 15:460. [PMID: 38212655 PMCID: PMC10784296 DOI: 10.1038/s41467-024-44736-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 01/02/2024] [Indexed: 01/13/2024] Open
Abstract
Targeted assembly of nanoparticles in biological systems holds great promise for disease-specific imaging and therapy. However, the current manipulation of nanoparticle dynamics is primarily limited to organic pericyclic reactions, which necessitate the introduction of synthetic functional groups as bioorthogonal handles on the nanoparticles, leading to complex and laborious design processes. Here, we report the synthesis of tyrosine (Tyr)-modified peptides-capped iodine (I) doped CuS nanoparticles (CuS-I@P1 NPs) as self-catalytic building blocks that undergo self-propelled assembly inside tumour cells via Tyr-Tyr condensation reactions catalyzed by the nanoparticles themselves. Upon cellular internalization, the CuS-I@P1 NPs undergo furin-guided condensation reactions, leading to the formation of CuS-I nanoparticle assemblies through dityrosine bond. The tumour-specific furin-instructed intracellular assembly of CuS-I NPs exhibits activatable dual-modal imaging capability and enhanced photothermal effect, enabling highly efficient imaging and therapy of tumours. The robust nanoparticle self-catalysis-regulated in situ assembly, facilitated by natural handles, offers the advantages of convenient fabrication, high reaction specificity, and biocompatibility, representing a generalizable strategy for target-specific activatable biomedical imaging and therapy.
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Grants
- 21936001, 21675001, 21976004, 32071374 National Natural Science Foundation of China (National Science Foundation of China)
- National Key Research and Development Program of China (2022YFB3203801, 2022YFB3203804, 2022YFB3203800), Natural Science Foundation of Anhui Province (KJ2017A315), Leading Talent of “Ten Thousand Plan”-National High-Level Talents Special Support Plan, Program of Shanghai Academic Research Leader under the Science and Technology Innovation Action Plan (21XD1422100), Explorer Program of Science and Technology Commission of Shanghai Municipality (22TS1400700), start-up funds from Shanghai Jiao Tong University (22X010201631), Natural Science Foundation of Zhejiang Province (LR22C100001), Innovative Research Team of High-level Local Universities in Shanghai (SHSMU-ZDCX20210900), CAS Interdisciplinary lnnovation Team (JCTD-2020-08), Postdoctoral Innovative Talent Support Program (BX20230220), Postdoctoral Foundation of China (2023M732244), Outstanding Innovative Research Team for Molecular Enzymology and Detection in Anhui Provincial Universities (2022AH010012), Anhui Province Outstanding Youth Fund (2008085J10), Anhui Provincial Education Department Natural Sciences Key Fund (KJ2021A0113), and Shanghai Municipal Science and Technology Commission (21dz2210100).
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Affiliation(s)
- Mengmeng Xia
- School of Chemistry and Materials Science, Anhui Province Key Laboratory of Biomedical Materials and Chemical Measurement, Center for Nano Science and Technology, Anhui Normal University, 241000, Wuhu, China
| | - Qiyue Wang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Yamin Liu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Chunyan Fang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Bo Zhang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
- World Laureates Association (WLA) Laboratories, 201203, Shanghai, China
| | - Shengfei Yang
- Institute of Pharmaceutics, Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, 310058, Hangzhou, China
| | - Fu Zhou
- School of Chemistry and Materials Science, Anhui Province Key Laboratory of Biomedical Materials and Chemical Measurement, Center for Nano Science and Technology, Anhui Normal University, 241000, Wuhu, China
| | - Peihua Lin
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Mingzheng Gu
- School of Chemistry and Materials Science, Anhui Province Key Laboratory of Biomedical Materials and Chemical Measurement, Center for Nano Science and Technology, Anhui Normal University, 241000, Wuhu, China
| | - Canyu Huang
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China
| | - Xiaojun Zhang
- School of Chemistry and Materials Science, Anhui Province Key Laboratory of Biomedical Materials and Chemical Measurement, Center for Nano Science and Technology, Anhui Normal University, 241000, Wuhu, China
| | - Fangyuan Li
- Institute of Pharmaceutics, Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, 310058, Hangzhou, China.
- Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province, 310009, Hangzhou, China.
- Songjiang Institute and Songjiang Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Hongying Liu
- College of Automation, Hangzhou Dianzi University, 310018, Hangzhou, China.
| | - Guangfeng Wang
- School of Chemistry and Materials Science, Anhui Province Key Laboratory of Biomedical Materials and Chemical Measurement, Center for Nano Science and Technology, Anhui Normal University, 241000, Wuhu, China.
| | - Daishun Ling
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, School of Biomedical Engineering, National Center for Translational Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiao Tong University, 200240, Shanghai, China.
- World Laureates Association (WLA) Laboratories, 201203, Shanghai, China.
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15
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Abdelmouleh M, Amin M, Lalande M, Schlathölter T, Poully JC. Ionizing radiation induces cross-linking of two noncovalently bound collagen mimetic peptide triple helices in the absence of a molecular environment. Phys Chem Chem Phys 2023; 25:29249-29256. [PMID: 37874154 DOI: 10.1039/d3cp03264g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Cross-linking is a fundamental molecular process that is highly important for many applications, in particular, to tune the properties of collagen-based biomaterials. Chemical reagents, the action of enzymes or physical factors such as heat or radiation can facilitate collagen cross-linking. Ionizing radiation has the advantages of being fast, efficient and free from potentially toxic reagents. Collagen cross-linking by ionizing radiation is thought to occur via a water-mediated pathway. In the past, synthesized collagen mimetic peptides have proven to be of great value for understanding the influence of the amino acid sequence on the stability of tertiary (fibrous) as well as secondary (triple helical) structures of collagen. Cross-linking of synthetic collagen mimetic peptides is often used for modifying the properties of biomaterials. In this work, for the first time, we apply radiation-induced cross-linking to synthetic collagen mimetic peptides and present an experimental and theoretical study of peptide hexamers consisting of two noncovalently bound triple helices in the absence of a molecular environment, i.e. in the gas phase. Our results show that X-ray photoabsorption of the hydroxylated hexamer leads to ionization and cross-linking of the two triple helices: thus, we found evidence that cross-linking can be achieved by ionizing radiation, without the presence of any reagent or water. We propose a cross-linking mechanism involving the creation of two radicals on hydroxyproline side-chains and their recombination, ultimately leading to covalent bond formation between the triple helices.
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Affiliation(s)
- Marwa Abdelmouleh
- CIMAP UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel 14070 Caen, France.
| | - Muhamed Amin
- University College Groningen, Hoendiep 23/24, 9718BG Groningen, The Netherlands
- Laboratory of Computational Biology, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Mathieu Lalande
- CIMAP UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel 14070 Caen, France.
| | - Thomas Schlathölter
- University College Groningen, Hoendiep 23/24, 9718BG Groningen, The Netherlands
- Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747AG Groningen, The Netherlands
| | - Jean-Christophe Poully
- CIMAP UMR 6252 CEA/CNRS/ENSICAEN/Université de Caen Normandie, Bd Becquerel 14070 Caen, France.
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16
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Falcucci T, Radke M, Sahoo JK, Hasturk O, Kaplan DL. Multifunctional silk vinyl sulfone-based hydrogel scaffolds for dynamic material-cell interactions. Biomaterials 2023; 300:122201. [PMID: 37348323 PMCID: PMC10366540 DOI: 10.1016/j.biomaterials.2023.122201] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 06/24/2023]
Abstract
Biochemical and mechanical interactions between cells and the surrounding extracellular matrix influence cell behavior and fate. Mimicking these features in vitro has prompted the design and development of biomaterials, with continuing efforts to improve tailorable systems that also incorporate dynamic chemical functionalities. The majority of these chemistries have been incorporated into synthetic biomaterials, here we focus on modifications of silk protein with dynamic features achieved via enzymatic, "click", and photo-chemistries. The one-pot synthesis of vinyl sulfone modified silk (SilkVS) can be tuned to manipulate the degree of functionalization. The resultant modified protein-based material undergoes three different gelation mechanisms, enzymatic, "click", and light-induced, to generate hydrogels for in vitro cell culture. Further, the versatility of this chemical functionality is exploited to mimic cell-ECM interactions via the incorporation of bioactive peptides and proteins or by altering the mechanical properties of the material to guide cell behavior. SilkVS is well-suited for use in in vitro culture, providing a natural protein with both tunable biochemistry and mechanics.
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Affiliation(s)
- Thomas Falcucci
- Tufts University, Department of Biomedical Engineering, Medford, MA, USA
| | - Margaret Radke
- Tufts University, Department of Biomedical Engineering, Medford, MA, USA
| | | | - Onur Hasturk
- Tufts University, Department of Biomedical Engineering, Medford, MA, USA
| | - David L Kaplan
- Tufts University, Department of Biomedical Engineering, Medford, MA, USA.
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17
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Bora JR, Mahalakshmi R. Empowering canonical biochemicals with cross-linked novelty: Recursions in applications of protein cross-links. Proteins 2023:10.1002/prot.26571. [PMID: 37589191 PMCID: PMC7616502 DOI: 10.1002/prot.26571] [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: 05/31/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 08/18/2023]
Abstract
Diversity in the biochemical workhorses of the cell-that is, proteins-is achieved by the innumerable permutations offered primarily by the 20 canonical L-amino acids prevalent in all biological systems. Yet, proteins are known to additionally undergo unusual modifications for specialized functions. Of the various post-translational modifications known to occur in proteins, the recently identified non-disulfide cross-links are unique, residue-specific covalent modifications that confer additional structural stability and unique functional characteristics to these biomolecules. We review an exclusive class of amino acid cross-links encompassing aromatic and sulfur-containing side chains, which not only confer superior biochemical characteristics to the protein but also possess additional spectroscopic features that can be exploited as novel chromophores. Studies of their in vivo reaction mechanism have facilitated their specialized in vitro applications in hydrogels and protein anchoring in monolayer chips. Furthering the discovery of unique canonical cross-links through new chemical, structural, and bioinformatics tools will catalyze the development of protein-specific hyperstable nanostructures, superfoods, and biotherapeutics.
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Affiliation(s)
- Jinam Ravindra Bora
- Department of Biological Sciences, Molecular Biophysics Laboratory, Indian Institute of Science Education and Research, Bhopal, India
| | - Radhakrishnan Mahalakshmi
- Department of Biological Sciences, Molecular Biophysics Laboratory, Indian Institute of Science Education and Research, Bhopal, India
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18
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Newson W, Capezza AJ, Kuktaite R, Hedenqvist MS, Johansson E. Green Chemistry to Modify Functional Properties of Crambe Protein Isolate-Based Thermally Formed Films. ACS OMEGA 2023; 8:20342-20351. [PMID: 37323394 PMCID: PMC10268266 DOI: 10.1021/acsomega.3c00113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Proteins are promising precursors to be used in production of sustainable materials with properties resembling plastics, although protein modification or functionalization is often required to obtain suitable product characteristics. Here, effects of protein modification were evaluated by crosslinking behavior using high-performance liquid chromatography (HPLC), secondary structure using infrared spectroscopy (IR), liquid imbibition and uptake, and tensile properties of six crambe protein isolates modified in solution before thermal pressing. The results showed that a basic pH (10), especially when combined with the commonly used, although moderately toxic, crosslinking agent glutaraldehyde (GA), resulted in a decrease in crosslinking in unpressed samples, as compared to acidic pH (4) samples. After pressing, a more crosslinked protein matrix with an increase in β-sheets was obtained in basic samples compared to acidic samples, mainly due to the formation of disulfide bonds, which led to an increase in tensile strength, and liquid uptake with less material resolved. A treatment of pH 10 + GA, combined either with a heat or citric acid treatment, did not increase crosslinking or improve the properties in pressed samples, as compared to pH 4 samples. Fenton treatment at pH 7.5 resulted in a similar amount of crosslinking as the pH 10 + GA treatment, although with a higher degree of peptide/irreversible bonds. The strong bond formation resulted in lack of opportunities to disintegrate the protein network by all extraction solutions tested (even for 6 M urea + 1% sodium dodecyl sulfate + 1% dithiothreitol). Thus, the highest crosslinking and best properties of the material produced from crambe protein isolates were obtained by pH 10 + GA and pH 7.5 + Fenton, where Fenton is a greener and more sustainable solution than GA. Therefore, chemical modification of crambe protein isolates is effecting both sustainability and crosslinking behavior, which might have an effect on product suitability.
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Affiliation(s)
- William
R. Newson
- Department
of Plant Breeding, Swedish University of
Agricultural Sciences, P.O. Box 190, SE-234 22 Lomma, Sweden
| | - Antonio J. Capezza
- Department
of Plant Breeding, Swedish University of
Agricultural Sciences, P.O. Box 190, SE-234 22 Lomma, Sweden
- Department
of Fibre and Polymer Technology, Royal Institute
of Technology, SE-10044 Stockholm, Sweden
| | - Ramune Kuktaite
- Department
of Plant Breeding, Swedish University of
Agricultural Sciences, P.O. Box 190, SE-234 22 Lomma, Sweden
| | - Mikael S. Hedenqvist
- Department
of Fibre and Polymer Technology, Royal Institute
of Technology, SE-10044 Stockholm, Sweden
| | - Eva Johansson
- Department
of Plant Breeding, Swedish University of
Agricultural Sciences, P.O. Box 190, SE-234 22 Lomma, Sweden
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19
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Fu L, Li L, Bian Q, Xue B, Jin J, Li J, Cao Y, Jiang Q, Li H. Cartilage-like protein hydrogels engineered via entanglement. Nature 2023; 618:740-747. [PMID: 37344650 DOI: 10.1038/s41586-023-06037-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 03/31/2023] [Indexed: 06/23/2023]
Abstract
Load-bearing tissues, such as muscle and cartilage, exhibit high elasticity, high toughness and fast recovery, but have different stiffness (with cartilage being significantly stiffer than muscle)1-8. Muscle achieves its toughness through finely controlled forced domain unfolding-refolding in the muscle protein titin, whereas articular cartilage achieves its high stiffness and toughness through an entangled network comprising collagen and proteoglycans. Advancements in protein mechanics and engineering have made it possible to engineer titin-mimetic elastomeric proteins and soft protein biomaterials thereof to mimic the passive elasticity of muscle9-11. However, it is more challenging to engineer highly stiff and tough protein biomaterials to mimic stiff tissues such as cartilage, or develop stiff synthetic matrices for cartilage stem and progenitor cell differentiation12. Here we report the use of chain entanglements to significantly stiffen protein-based hydrogels without compromising their toughness. By introducing chain entanglements13 into the hydrogel network made of folded elastomeric proteins, we are able to engineer highly stiff and tough protein hydrogels, which seamlessly combine mutually incompatible mechanical properties, including high stiffness, high toughness, fast recovery and ultrahigh compressive strength, effectively converting soft protein biomaterials into stiff and tough materials exhibiting mechanical properties close to those of cartilage. Our study provides a general route towards engineering protein-based, stiff and tough biomaterials, which will find applications in biomedical engineering, such as osteochondral defect repair, and material sciences and engineering.
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Affiliation(s)
- Linglan Fu
- Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Lan Li
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Branch of National Clinical Research Center for Orthopedics, Drum Tower Hospital affiliated to Medical School of Nanjing University, Nanjing, People's Republic of China
| | - Qingyuan Bian
- Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Bin Xue
- National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing, People's Republic of China
| | - Jing Jin
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Branch of National Clinical Research Center for Orthopedics, Drum Tower Hospital affiliated to Medical School of Nanjing University, Nanjing, People's Republic of China
| | - Jiayu Li
- Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Yi Cao
- National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing, People's Republic of China
| | - Qing Jiang
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Branch of National Clinical Research Center for Orthopedics, Drum Tower Hospital affiliated to Medical School of Nanjing University, Nanjing, People's Republic of China
| | - Hongbin Li
- Department of Chemistry, The University of British Columbia, Vancouver, British Columbia, Canada.
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20
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Tian Y, Yang L, Peng X, Qi W, Wang M. A covalent crosslinking strategy to construct a robust peptide-based artificial esterase. SOFT MATTER 2023; 19:3458-3463. [PMID: 37129250 DOI: 10.1039/d3sm00284e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Peptide-based artificial enzymes derived from the supramolecular assembly of short peptides have attracted growing attention in recent years. However, the stability of these artificial enzymes is still a problem since their noncovalent supramolecular structure is quite sensitive and frail under environmental conditions. In this study, we reported a covalent crosslinking strategy for the fabrication of a robust peptide-based artificial esterase. Inspired by the di-tyrosine bonds in many natural structural proteins, multi-tyrosines were designed into a peptide sequence with histidine as the catalytic residue for the ester hydrolysis reaction. Upon the photo-induced oxidation reaction, the short peptide YYHYY rapidly transferred into nanoparticle-shaped aggregates (CL-YYHYY) and displayed improved esterase-like catalytic activity than some previously reported noncovalent-based artificial esterases. Impressively, CL-YYHYY showed outstanding reusability and superior stability under high temperature, strong acid and alkaline and organic solvent conditions. This study provides a promising approach to improving the catalytic activity and stability of peptide-based artificial enzymes.
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Affiliation(s)
- Yi Tian
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
| | - Lijun Yang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
| | - Xin Peng
- School of Life Sciences, Tianjin University, Tianjin 300072, P. R. China.
| | - Wei Qi
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
- The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, P. R. China
| | - Mengfan Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300350, P. R. China.
- School of Life Sciences, Tianjin University, Tianjin 300072, P. R. China.
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, P. R. China
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21
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Sahoo JK, Hasturk O, Falcucci T, Kaplan DL. Silk chemistry and biomedical material designs. Nat Rev Chem 2023; 7:302-318. [PMID: 37165164 DOI: 10.1038/s41570-023-00486-x] [Citation(s) in RCA: 63] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2023] [Indexed: 05/12/2023]
Abstract
Silk fibroin has applications in different medical fields such as tissue engineering, regenerative medicine, drug delivery and medical devices. Advances in silk chemistry and biomaterial designs have yielded exciting tools for generating new silk-based materials and technologies. Selective chemistries can enhance or tune the features of silk, such as mechanics, biodegradability, processability and biological interactions, to address challenges in medically relevant materials (hydrogels, films, sponges and fibres). This Review details the design and utility of silk biomaterials for different applications, with particular focus on chemistry. This Review consists of three segments: silk protein fundamentals, silk chemistries and functionalization mechanisms. This is followed by a description of different crosslinking chemistries facilitating network formation, including the formation of composite biomaterials. Utility in the fields of tissue engineering, drug delivery, 3D printing, cell coatings, microfluidics and biosensors are highlighted. Looking to the future, we discuss silk biomaterial design strategies to continue to improve medical outcomes.
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Affiliation(s)
| | - Onur Hasturk
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - Thomas Falcucci
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA, USA.
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22
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Serien D, Narazaki A, Sugioka K. Towards understanding the mechanism of 3D printing using protein: femtosecond laser direct writing of microstructures made from homopeptides. Acta Biomater 2023; 164:139-150. [PMID: 37062438 DOI: 10.1016/j.actbio.2023.04.007] [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: 06/16/2022] [Revised: 03/17/2023] [Accepted: 04/06/2023] [Indexed: 04/18/2023]
Abstract
Femtosecond laser direct write (fs-LDW) is a promising technology for three-dimensional (3D) printing due to its high resolution, flexibility, and versatility. A protein solution can be used as a precursor to fabricate 3D proteinaceous microstructures that retain the protein's native function. The large diversity of protein molecules with different native functions allows diverse applications of this technology. However, our limited understanding of the mechanism of the printing process restricts the design and generation of 3D microstructures for biomedical applications. Therefore, we used eight commercially available homopeptides as precursors for fs-LDW of 3D structures. Our experimental results show that tyrosine, histidine, glutamic acid, and lysine contribute more to the fabrication process than do proline, threonine, phenylalanine, and alanine. In particular, we show that tyrosine is highly beneficial in the fabrication process. The beneficial effect of the charged amino acids glutamic acid and lysine suggests that the printing mechanism involves ions in addition to the previously proposed radical mechanism. Our results further suggest that the uneven electron density over larger amino acid molecules is key in aiding fs-LDW. The findings presented here will help generate more desired 3D proteinaceous microstructures by modifying protein precursors with beneficial amino acids. STATEMENT OF SIGNIFICANCE: Femtosecond laser direct write (fs-LDW) offers a three-dimensional (3D) printing capability for creating well-defined micro-and nanostructures. Applying this technology to proteins enables the manufacture of complex biomimetic 3D micro-and nanoarchitectures with retention of their original protein functions. To our knowledge, amino acid homo-polymers themselves have never been used as precursor for fs-LDW so far. Our studygainsseveral new insights into the 3D printing mechanism of pure protein for the first time. We believe that the experimental evidence presented greatly benefits the community of 3D printing of proteinin particular and the biomaterial science community in general. With the gained insight, we aspire toexpand the possibilitiesof biomaterial and biomedical applications of this technique.
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Affiliation(s)
- Daniela Serien
- National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki 305-8568, Japan
| | - Aiko Narazaki
- National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki 305-8568, Japan
| | - Koji Sugioka
- The Institute of Physical and Chemical Research (RIKEN), Saitama 351-01, Japan
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23
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Zhou X, Liu F, Li N, Zhang Y. Large-Scale Qualitative and Quantitative Assessment of Dityrosine Crosslinking Omics in Response to Endogenous and Exogenous Hydrogen Peroxide in Escherichia coli. Antioxidants (Basel) 2023; 12:antiox12040786. [PMID: 37107161 PMCID: PMC10135038 DOI: 10.3390/antiox12040786] [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: 02/07/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 04/29/2023] Open
Abstract
Excessive hydrogen peroxide causes oxidative stress in cells. The oxidation of two tyrosine residues in proteins can generate o,o'-dityrosine, a putative biomarker for protein oxidation, which plays critical roles in a variety of organisms. Thus far, few studies have investigated dityrosine crosslinking under endogenous or exogenous oxidative conditions at the proteome level, and its physiological function remains largely unknown. In this study, to investigate qualitative and quantitative dityrosine crosslinking, two mutant Escherichia coli strains and one mutant strain supplemented with H2O2 were used as models for endogenous and exogenous oxidative stress, respectively. By integrating high-resolution liquid chromatography-mass spectrometry and bioinformatic analysis, we created the largest dityrosine crosslinking dataset in E. coli to date, identifying 71 dityrosine crosslinks and 410 dityrosine loop links on 352 proteins. The dityrosine-linked proteins are mainly involved in taurine and hypotaurine metabolism, citrate cycle, glyoxylate, dicarboxylate metabolism, carbon metabolism, etc., suggesting that dityrosine crosslinking may play a critical role in regulating the metabolic pathways in response to oxidative stress. In conclusion, we have reported the most comprehensive dityrosine crosslinking in E. coli for the first time, which is of great significance in revealing its function in oxidative stress.
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Affiliation(s)
- Xiangzhe Zhou
- School of Life Science, Beijing Institute of Technology, Beijing 100081, China
| | - Feng Liu
- School of Life Science, Beijing Institute of Technology, Beijing 100081, China
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Nuomin Li
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
| | - Yongqian Zhang
- School of Life Science, Beijing Institute of Technology, Beijing 100081, China
- Institute of Engineering Medicine, School of Medical Technology, Beijing Institute of Technology, Beijing 100081, China
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24
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Miserez A, Yu J, Mohammadi P. Protein-Based Biological Materials: Molecular Design and Artificial Production. Chem Rev 2023; 123:2049-2111. [PMID: 36692900 PMCID: PMC9999432 DOI: 10.1021/acs.chemrev.2c00621] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Indexed: 01/25/2023]
Abstract
Polymeric materials produced from fossil fuels have been intimately linked to the development of industrial activities in the 20th century and, consequently, to the transformation of our way of living. While this has brought many benefits, the fabrication and disposal of these materials is bringing enormous sustainable challenges. Thus, materials that are produced in a more sustainable fashion and whose degradation products are harmless to the environment are urgently needed. Natural biopolymers─which can compete with and sometimes surpass the performance of synthetic polymers─provide a great source of inspiration. They are made of natural chemicals, under benign environmental conditions, and their degradation products are harmless. Before these materials can be synthetically replicated, it is essential to elucidate their chemical design and biofabrication. For protein-based materials, this means obtaining the complete sequences of the proteinaceous building blocks, a task that historically took decades of research. Thus, we start this review with a historical perspective on early efforts to obtain the primary sequences of load-bearing proteins, followed by the latest developments in sequencing and proteomic technologies that have greatly accelerated sequencing of extracellular proteins. Next, four main classes of protein materials are presented, namely fibrous materials, bioelastomers exhibiting high reversible deformability, hard bulk materials, and biological adhesives. In each class, we focus on the design at the primary and secondary structure levels and discuss their interplays with the mechanical response. We finally discuss earlier and the latest research to artificially produce protein-based materials using biotechnology and synthetic biology, including current developments by start-up companies to scale-up the production of proteinaceous materials in an economically viable manner.
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Affiliation(s)
- Ali Miserez
- Center
for Sustainable Materials (SusMat), School of Materials Science and
Engineering, Nanyang Technological University
(NTU), Singapore637553
- School
of Biological Sciences, NTU, Singapore637551
| | - Jing Yu
- Center
for Sustainable Materials (SusMat), School of Materials Science and
Engineering, Nanyang Technological University
(NTU), Singapore637553
- Institute
for Digital Molecular Analytics and Science (IDMxS), NTU, 50 Nanyang Avenue, Singapore637553
| | - Pezhman Mohammadi
- VTT
Technical Research Centre of Finland Ltd., Espoo, UusimaaFI-02044, Finland
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25
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Moon SH, Hwang HJ, Jeon HR, Park SJ, Bae IS, Yang YJ. Photocrosslinkable natural polymers in tissue engineering. Front Bioeng Biotechnol 2023; 11:1127757. [PMID: 36970625 PMCID: PMC10037533 DOI: 10.3389/fbioe.2023.1127757] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 02/15/2023] [Indexed: 03/06/2023] Open
Abstract
Natural polymers have been widely used in scaffolds for tissue engineering due to their superior biocompatibility, biodegradability, and low cytotoxicity compared to synthetic polymers. Despite these advantages, there remain drawbacks such as unsatisfying mechanical properties or low processability, which hinder natural tissue substitution. Several non-covalent or covalent crosslinking methods induced by chemicals, temperatures, pH, or light sources have been suggested to overcome these limitations. Among them, light-assisted crosslinking has been considered as a promising strategy for fabricating microstructures of scaffolds. This is due to the merits of non-invasiveness, relatively high crosslinking efficiency via light penetration, and easily controllable parameters, including light intensity or exposure time. This review focuses on photo-reactive moieties and their reaction mechanisms, which are widely exploited along with natural polymer and its tissue engineering applications.
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Affiliation(s)
- Seo Hyung Moon
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, Republic of Korea
| | - Hye Jin Hwang
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, Republic of Korea
| | - Hye Ryeong Jeon
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
| | - Sol Ji Park
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
| | - In Sun Bae
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, Republic of Korea
| | - Yun Jung Yang
- Department of Biological Sciences and Bioengineering, Inha University, Incheon, Republic of Korea
- Department of Biological Engineering, Inha University, Incheon, Republic of Korea
- *Correspondence: Yun Jung Yang,
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26
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Tyrosinase-triggered formation of fluorescent pigments based on Y-peptide. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.130932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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27
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Liu Y, Xing R, Li J, Yan X. Covalently triggered self-assembly of peptide-based nanodrugs for cancer theranostics. iScience 2023; 26:105789. [PMID: 36594020 PMCID: PMC9804138 DOI: 10.1016/j.isci.2022.105789] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Covalently triggered peptide self-assembly is achieved through sequential integration of spontaneous covalent reaction and noncovalent interactions, thus both enhancing the physiological stability and extending unexpected functionality of the resulting peptide-based assemblies, different from popular supramolecular peptide self-assembly merely associated with noncovalent interactions. This review summarizes the recent progress on the development of covalently triggered peptide self-assembly for cancer theranostics. Especially, we propose the fundamental design principle of covalently triggered peptide self-assembly for constructing a variety of peptide-based assemblies including nanoparticles, nanofibers, hollow nanospheres, and other nanoarchitectures. Subsequently, the discussion is anchored in an overview of representative covalently assembled peptide-based nanodrugs for the cancer theranostics. Finally, the challenges and perspectives on the clinical potential of the covalently assembled peptide-based nanodrugs are highlighted. This review will provide new insights into construction of peptide-based nanodrugs through combination of covalent reaction and noncovalent self-assembly and prompt their clinical applications in cancer diagnosis and therapeutics.
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Affiliation(s)
- Yamei Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Ruirui Xing
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junbai Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xuehai Yan
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
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28
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Maina MB, Al-Hilaly YK, Serpell LC. Dityrosine cross-linking and its potential roles in Alzheimer's disease. Front Neurosci 2023; 17:1132670. [PMID: 37034163 PMCID: PMC10075315 DOI: 10.3389/fnins.2023.1132670] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/01/2023] [Indexed: 04/11/2023] Open
Abstract
Oxidative stress is a significant source of damage that accumulates during aging and contributes to Alzheimer's disease (AD) pathogenesis. Oxidation of proteins can give rise to covalent links between adjacent tyrosines known as dityrosine (DiY) cross-linking, amongst other modifications, and this observation suggests that DiY could serve as a biomarker of accumulated oxidative stress over the lifespan. Many studies have focused on understanding the contribution of DiY to AD pathogenesis and have revealed that DiY crosslinks can be found in both Aβ and tau deposits - the two key proteins involved in the formation of amyloid plaques and tau tangles, respectively. However, there is no consensus yet in the field on the impact of DiY on Aβ and tau function, aggregation, and toxicity. Here we review the current understanding of the role of DiY on Aβ and tau gathered over the last 20 years since the first observation, and discuss the effect of this modification for Aβ and tau aggregation, and its potential as a biomarker for AD.
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Affiliation(s)
- Mahmoud B. Maina
- Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, United Kingdom
- Biomedical Science Research and Training Centre, College of Medical Sciences, Yobe State University, Damaturu, Nigeria
| | - Youssra K. Al-Hilaly
- Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, United Kingdom
- Department of Chemistry, College of Science, Mustansiriyah University, Baghdad, Iraq
| | - Louise C. Serpell
- Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, United Kingdom
- *Correspondence: Louise C. Serpell,
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29
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Haas S, Schmieg B, Wendling P, Guthausen G, Hubbuch J. Magnetic Resonance Imaging: Time-Dependent Wetting and Swelling Behavior of an Auxetic Hydrogel Based on Natural Polymers. Polymers (Basel) 2022; 14:polym14225023. [PMID: 36433150 PMCID: PMC9694485 DOI: 10.3390/polym14225023] [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: 09/30/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
A time-dependent understanding of swelling characteristics and external stimuli behavior is crucial for the development and understanding of functional hydrogels. Magnetic resonance imaging (MRI) offers the opportunity to study three-dimensional (3D) soft materials nondestructively. This technique is already widely used as an image-based medical diagnostic tool and is applied here to evaluate complex structures of a hydrogel-a double network of chemically crosslinked casein enhanced with alginate-fabricated by 3D printing. When hydrogel disks immersed in four different liquid systems were analyzed, the material exhibited distinct system-dependent behavior characterized by rheological and mechanical measurements. Further material functionalization was achieved by macroscopic structuring of the hydrogel as an auxetic material based on a re-entrant honeycomb structure. MRI offers the advantage of monitoring overall changes in the area of the analyzed specimen and internal structural changes simultaneously. To assess the behavior of this complex structure, a series of short MRI measurements, each lasting 1.7 min, captured liquid diffusion and thus structural swelling behavior. A clear dependence of external and internal structural changes as a function of liquid properties causing these changes was observed. In conclusion, this approach might pave the way for prospective applications to monitor liquid diffusion into (e.g., vascularization) and swelling behavior of functional hydrogels.
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Affiliation(s)
- Sandra Haas
- Institute of Process Engineering in Life Sciences, Section IV: Molecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
| | - Barbara Schmieg
- Institute of Process Engineering in Life Sciences, Section IV: Molecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
- Institute of Functional Interfaces, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Paul Wendling
- Institute of Process Engineering in Life Sciences, Section IV: Molecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
| | - Gisela Guthausen
- Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology (KIT), Adenauerring 20b, 76131 Karlsruhe, Germany
- Engler Bunte Institute Water Chemistry and Technology, Karlsruhe Institute of Technology (KIT), Adenauerring 20b, 76131 Karlsruhe, Germany
| | - Jürgen Hubbuch
- Institute of Process Engineering in Life Sciences, Section IV: Molecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
- Institute of Functional Interfaces, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence:
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30
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Ly KL, Luo X, Raub CB. Oral mucositis on a chip: modeling induction by chemo- and radiation treatments and recovery. Biofabrication 2022; 15:10.1088/1758-5090/ac933b. [PMID: 36126642 PMCID: PMC9780701 DOI: 10.1088/1758-5090/ac933b] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/20/2022] [Indexed: 12/27/2022]
Abstract
Oral mucositis (OM) is a debilitating complication affecting roughly 70% of head and neck cancer patients receiving chemotherapy and/or radiation treatment. No broadly effective preventative treatment for OM exists. Therefore, anin vitromodel of cancer treatment-induced OM would aid studies into possible origins of the pathology and future drug targets to ameliorate it. In this study, we present a microfluidic oral mucosa triculture tissue construct consisting of a keratinocyte layer attached to a subepithelial fibroblast and endothelial cell-embedded collagen gel. To address the typically low stability of mucosal constructs in microfluidics, ruthenium-catalyzed photocrosslinking was implemented to strengthen the collagen gel and prevent the invasion of keratinocytes, thus maintaining tissue construct geometry and oral mucosa barrier function for over 18 d of culture. Next, the OM chip was exposed to cisplatin (day 10) and damaging radiation (day 11, ± cisplatin at day 10), mimicking damage from cancer therapy. Damage to and then recovery of the tissue layers and function were observed over days 11-18. Therefore, several important features of OM induction and resolution were modeled in microfluidic culture. The OM model on a chip allows for more sophisticated studies into mechanisms of OM and potential treatments.
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Affiliation(s)
- Khanh L Ly
- Department of Biomedical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
| | - Xiaolong Luo
- Department of Mechanical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
| | - Christopher B Raub
- Department of Biomedical Engineering, School of Engineering, Catholic University of America, Washington, DC 20064, United States of America
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31
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Haas S, Körner S, Zintel L, Hubbuch J. Changing mechanical properties of photopolymerized, dityrosine-crosslinked protein-based hydrogels. Front Bioeng Biotechnol 2022; 10:1006438. [PMID: 36172024 PMCID: PMC9512244 DOI: 10.3389/fbioe.2022.1006438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Hydrogels based on renewable resources are a promising class of materials for future applications in pharmaceutics, drug delivery and personalized medicine. Thus, optional adjustments of mechanical properties such as swelling behavior, elasticity and network strength are desired. In this context, hydrogels based on the biological raw materials bovine serum albumin and casein were prepared by dityrosine-crosslinking of their tyrosine residues through visible light-induced photopolymerization. Changing the tyrosine accessibility by urea addition before photopolymerization increased the storage modulus of the hydrogels by 650% while simultaneously being more elastic. Furthermore, contributions of the buffer system composition, variation of protein concentration and storage medium towards mechanical properties of the hydrogel such as storage moduli, elasticity, fracture strain, compressive strength and relative weight swelling ratio are discussed. It could be shown, that changes in precursor solution and storage medium characteristics are crucial parameters towards tuning the mechanical properties of protein-based hydrogels.
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Affiliation(s)
| | | | | | - Jürgen Hubbuch
- Institute of Process Engineering in Life Sciences, Section IV: Molecular Separation Engineering, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
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32
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Shi M, Li N, Xing R, Jiao T. Peroxidase-triggered formation of fluorescent peptide-based nanoarchitectonics. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Karimi F, Lau K, Kim HN, Och Z, Lim KS, Whitelock J, Lord M, Rnjak-Kovacina J. Surface Biofunctionalization of Silk Biomaterials Using Dityrosine Cross-Linking. ACS APPLIED MATERIALS & INTERFACES 2022; 14:31551-31566. [PMID: 35793155 DOI: 10.1021/acsami.2c03345] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Biofunctionalization of silk biomaterial surfaces with extracellular matrix (ECM) molecules, cell binding peptides, or growth factors is important in a range of applications, including tissue engineering and development of implantable medical devices. Passive adsorption is the most common way to immobilize molecules of interest on preformed silk biomaterials but can lead to random molecular orientations and displacement from the surface, limiting their applications. Herein, we developed techniques for covalent immobilization of biomolecules using enzyme- or photoinitiated formation of dityrosine bonds between the molecule of interest and silk. Using recombinantly expressed domain V of the human basement membrane proteoglycan perlecan (rDV) as a model molecule, we demonstrated that rDV can be covalently immobilized via dityrosine cross-linking without the need to modify rDV or silk biomaterials. Dityrosine-based immobilization resulted in a different molecular orientation to passively absorbed rDV with less C- and N-terminal region exposure on the surface. Dityrosine-based immobilization supported functional rDV immobilization where immobilized rDV supported endothelial cell adhesion, spreading, migration, and proliferation. These results demonstrate the utility of dityrosine-based cross-linking in covalent immobilization of tyrosine-containing molecules on silk biomaterials in the absence of chemical modification, adding a simple and accessible technique to the silk biofunctionalization toolbox.
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Affiliation(s)
- Fatemeh Karimi
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Kieran Lau
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Ha Na Kim
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Zachary Och
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Khoon S Lim
- Light Activated Biomaterials (LAB) Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch 8011, New Zealand
| | - John Whitelock
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Megan Lord
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Jelena Rnjak-Kovacina
- Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
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34
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35
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Ren J, Meng X, Xiang X, Ji F, Han L, Gao X, Jia L. Tyrosine-Based Dual-Functional Interface for Trapping and On-Site Photo-Induced Covalent Immobilization of Proteins. Bioconjug Chem 2022; 33:829-838. [PMID: 35413182 DOI: 10.1021/acs.bioconjchem.2c00091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tyrosine, a simple and well-available natural amino acid, is featured by the small size of the compound that contains multiple reactive groups. This study developed an efficient bioconjugation strategy using tyrosine-based dual-functional interfaces. When tyrosine molecules are immobilized on the surface of a supporting material through amino groups, their carboxyl groups can function as an attracting trap due to their anionic nature at neutral pH and ability to chelate nickel(II) ions (Ni2+), allowing the capture and enrichment of cationic proteins and histidine (His)-tagged proteins on the surface. The trapped proteins can be further covalently immobilized on site through ruthenium-mediated photochemical cross-linking, which has been found to be highly efficient and can be completed within minutes. This strategy was successfully applied to two different material systems. We found that tyrosine-modified agarose beads had a binding capacity of the His-tagged enhanced green fluorescent protein comparable to that of commonly used nitrilotriacetic acid-based resins, and further covalent coupling via dityrosine cross-linking achieved a yield of 85% within 5 min, without compromising much on its fluorescence activity. On the surface of tyrosine-modified 316L stainless steel, lysozyme was captured through electrostatic interaction and further immobilized. The resultant surface exhibited remarkable antibacterial activity against both Staphylococcus aureus and Escherichia coli. Such a tyrosine-based capture-then-coupling method is featured by its simplicity, high coupling efficiency, and high utilization rate of target molecules, making it particularly suitable for the proteins that are highly priced or vulnerable to general immobilization chemistry.
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Affiliation(s)
- Jun Ren
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Xiao Meng
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Xu Xiang
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Fangling Ji
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Lulu Han
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Xiaorong Gao
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
| | - Lingyun Jia
- Liaoning Key Laboratory of Molecular Recognition and Imaging, School of Bioengineering, Dalian University of Technology, Dalian 116023, P. R. China
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36
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Abstract
![]()
The tiny spider makes
dragline silk fibers with unbeatable toughness,
all under the most innocuous conditions. Scientists have persistently
tried to emulate its natural silk spinning process using recombinant
proteins with a view toward creating a new wave of smart materials,
yet most efforts have fallen short of attaining the native fiber’s
excellent mechanical properties. One reason for these shortcomings
may be that artificial spider silk systems tend to be overly simplified
and may not sufficiently take into account the true complexity of
the underlying protein sequences and of the multidimensional aspects
of the natural self-assembly process that give rise to the hierarchically
structured fibers. Here, we discuss recent findings regarding the
material constituents of spider dragline silk, including novel spidroin
subtypes, nonspidroin proteins, and possible involvement of post-translational
modifications, which together suggest a complexity that transcends
the two-component MaSp1/MaSp2 system. We subsequently consider insights
into the spidroin domain functions, structures, and overall mechanisms
for the rapid transition from disordered soluble protein into a highly
organized fiber, including the possibility of viewing spider silk
self-assembly through a framework relevant to biomolecular condensates.
Finally, we consider the concept of “biomimetics” as
it applies to artificial spider silk production with a focus on key
practical aspects of design and evaluation that may hopefully inform
efforts to more closely reproduce the remarkable structure and function
of the native silk fiber using artificial methods.
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Affiliation(s)
- Ali D Malay
- Biomacromolecules Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Hamish C Craig
- Biomacromolecules Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Jianming Chen
- Biomacromolecules Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Nur Alia Oktaviani
- Biomacromolecules Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Keiji Numata
- Biomacromolecules Research Team, Center for Sustainable Resource Science, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.,Department of Material Chemistry, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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37
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Gonzalez-Obeso C, Backlund FG, Kaplan DL. Charge-Modulated Accessibility of Tyrosine Residues for Silk-Elastin Copolymer Cross-Linking. Biomacromolecules 2022; 23:760-765. [PMID: 35113522 PMCID: PMC9211056 DOI: 10.1021/acs.biomac.1c01192] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The modulation of reaction kinetics with horseradish peroxidase (HRP)-catalyzed cross-linking of proteins remains a useful strategy to modulate hydrogel formation. Here, we demonstrate that the presence of positively charged lysines in silk-elastin-like polymers impacts the thermal transition temperature of these proteins, while the location in the primary sequence modulates the reactivity of the tyrosines. The positively charged lysine side chains decreased π-π interactions among the tyrosines and reduced the rate of formation and number of HRP-mediated dityrosine bonds, dependent on the proximity of the charged group to the tyrosine. The results suggest that the location of repulsive charges can be used to tailor the reaction kinetics for enzymatic cross-linking, providing further control of gelation rates for in situ gel formation and the resulting protein-based gel characteristics.
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Affiliation(s)
- Constancio Gonzalez-Obeso
- Department of Biomedical Engineering Tufts University, 4, Colby Street, Medford, Massachusetts 02155, United States
| | - Fredrik G Backlund
- Department of Biomedical Engineering Tufts University, 4, Colby Street, Medford, Massachusetts 02155, United States
| | - David L Kaplan
- Department of Biomedical Engineering Tufts University, 4, Colby Street, Medford, Massachusetts 02155, United States
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38
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Viray CM, van Magill B, Zreiqat H, Ramaswamy Y. Stereolithographic Visible-Light Printing of Poly(l-glutamic acid) Hydrogel Scaffolds. ACS Biomater Sci Eng 2022; 8:1115-1131. [PMID: 35179029 DOI: 10.1021/acsbiomaterials.1c01519] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Bioprinting is a promising fabrication technique aimed at developing biologically functional, tissue-like constructs for various biomedical applications. Among the different bioprinting approaches, vat polymerization-based techniques offer the highest feature resolution compared to more commonly used extrusion-based methods and therefore have greater potential to be utilized for printing complex hierarchical tissue architectures. Although significant efforts have been directed toward harnessing digital light processing techniques for high-resolution bioprinting, the use of stereolithography (SLA) setups for producing distinct hydrogel filaments smaller than 20 μm has received less attention. Improving the bioprinting resolution is still a technical challenge that must consider both the practical limitations of the bioprinter apparatus and the formulation of the cytocompatible bioresin. In this study, we developed a novel bioresin compatible with SLA and capable of printing high-resolution features. This resin, composed of a biosynthetic polypeptide poly(l-glutamic acid) functionalized with tyramine moieties (PLGA-Tyr), was crosslinked using a visible-light photoinitiator system. Varying concentrations of PLGA-Tyr and the co-photoinitiator were evaluated for the hydrogel system's gelation ability, swelling characteristics, degradation profiles, mechanical properties, and cell viability post-encapsulation. This study introduces a custom-built, cost-effective, visible-light SLA bioprinting system named the "MicroNC". Using the newly developed visible-light bioresin, we demonstrated for the first time the ability to fabricate hydrogel scaffolds with well-resolved filaments (less than 8 μm in width) capable of supporting cell viability and proliferation and directing cellular morphology at the single-cell level for up to 14 days. Overall, these experiments have underscored the exciting potential of using the visible-light-photoinitiated PLGA-Tyr material system for developing physiologically relevant in vitro hydrogel scaffolds with feature resolutions comparable to the dimensions of individual human cells for a wide range of biomedical applications.
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Affiliation(s)
- Christina Marie Viray
- School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,ARC Training Centre for Innovative BioEngineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Benjamin van Magill
- School of Aerospace, Mechanical, and Mechatronic Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Hala Zreiqat
- School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,ARC Training Centre for Innovative BioEngineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Yogambha Ramaswamy
- School of Biomedical Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.,Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
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39
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Whaite A, Klein A, Mitu S, Wang T, Elizur A, Cummins S. The byssal-producing glands and proteins of the silverlip pearl oyster Pinctada maxima (Jameson, 1901). BIOFOULING 2022; 38:186-206. [PMID: 35282730 DOI: 10.1080/08927014.2022.2049256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/22/2022] [Accepted: 02/28/2022] [Indexed: 06/14/2023]
Abstract
Pinctada maxima are most well known for their production of high-quality natural pearls. They also generate another natural material, the byssus, an adhesive thread critical for steadfast attachment underwater. Herein, P. maxima byssal threads were analysed via proteotranscriptomics to reveal 49 proteins. Further characterisation was undertaken on five highly expressed genes: glycine-rich thread protein (GRT; also known as PUF3), apfp1/perlucin-like protein (Pmfp1); peroxidase; thrombospondin 1, and Balbiani ring 3 (BR3), which showed localised tissue expression. The spatial distribution of GRT and Pmfp1 via immunodetection combined with histology helped to identify glandular regions of the foot that contribute to byssal thread production: the byssal gland, the duct gland, and two thread-forming glands of basophilic and acidophilic serous-like cells. This work advanced primary knowledge on the glands involved in the creation of byssal threads and the protein composition of the byssus for P. maxima, providing a platform for the design of marine biopolymers.
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Affiliation(s)
- Alessandra Whaite
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Anne Klein
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Shahida Mitu
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Tianfang Wang
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Abigail Elizur
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
| | - Scott Cummins
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
- School of Science, Technology and Engineering, University of the Sunshine Coast, Maroochydore DC, Queensland, Australia
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40
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Permana D, Putra HE, Djaenudin D. Designed protein multimerization and polymerization for functionalization of proteins. Biotechnol Lett 2022; 44:341-365. [PMID: 35083582 PMCID: PMC8791688 DOI: 10.1007/s10529-021-03217-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 12/04/2021] [Indexed: 12/15/2022]
Abstract
Abstract Multimeric and polymeric proteins are large biomacromolecules consisting of multiple protein molecules as their monomeric units, connected through covalent or non-covalent bonds. Genetic modification and post-translational modifications (PTMs) of proteins offer alternative strategies for designing and creating multimeric and polymeric proteins. Multimeric proteins are commonly prepared by genetic modification, whereas polymeric proteins are usually created through PTMs. There are two methods that can be applied to create polymeric proteins: self-assembly and crosslinking. Self-assembly offers a spontaneous reaction without a catalyst, while the crosslinking reaction offers some catalyst options, such as chemicals and enzymes. In addition, enzymes are excellent catalysts because they provide site-specificity, rapid reaction, mild reaction conditions, and activity and functionality maintenance of protein polymers. However, only a few enzymes are applicable for the preparation of protein polymers. Most of the other enzymes are effective only for protein conjugation or labeling. Here, we review novel and applicable strategies for the preparation of multimeric proteins through genetic modification and self-assembly. We then describe the formation of protein polymers through site-selective crosslinking reactions catalyzed by enzymes, crosslinking reactions of non-natural amino acids, and protein-peptide (SpyCatcher/SpyTag) interactions. Finally, we discuss the potential applications of these protein polymers. Graphical abstract ![]()
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Affiliation(s)
- Dani Permana
- Faculty of Agriculture, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan. .,Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia.
| | - Herlian Eriska Putra
- Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia
| | - Djaenudin Djaenudin
- Research Unit for Clean Technology, The National Research and Innovation Agency of Republic of Indonesia, Jl. Cisitu, Bandung, 40135, Indonesia
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41
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Liu C, Hua J, Ng PF, Wang Y, Fei B, Shao Z. Bioinspired Photo-Cross-Linking of Stretched Solid Silks for Enhanced Strength. ACS Biomater Sci Eng 2022; 8:484-492. [DOI: 10.1021/acsbiomaterials.1c01170] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chang Liu
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Jiachuan Hua
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Pui Fai Ng
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Yidi Wang
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Bin Fei
- Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hong Kong 999077, China
| | - Zhengzhong Shao
- Department of Macromolecular Science, Fudan University, Shanghai 200437, China
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42
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Pugliese R, Montuori M, Gelain F. Bioinspired photo-crosslinkable self-assembling peptides with pH-switchable "on-off" luminescence. NANOSCALE ADVANCES 2022; 4:447-456. [PMID: 36132689 PMCID: PMC9418485 DOI: 10.1039/d1na00688f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/19/2021] [Indexed: 06/16/2023]
Abstract
Significant progress has been made in peptide self-assembly over the past two decades; however, the in situ cross-linking of self-assembling peptides yielding better performing nanomaterials is still in its infancy. Indeed, self-assembling peptides (SAPs), relying only on non-covalent interactions, are mechanically unstable and susceptible to solvent erosion, greatly hindering their practical application. Herein, drawing inspiration from the biological functions of tyrosine, we present a photo-cross-linking approach for the in situ cross-linking of a tyrosine-containing LDLK12 SAP. This method is based on the ruthenium-complex-catalyzed conversion of tyrosine to dityrosine upon light irradiation. We observed a stable formation of dityrosine cross-linking starting from 5 minutes, with a maximum peak after 1 hour of UV irradiation. Furthermore, the presence of a ruthenium complex among the assembled peptide bundles bestows unusual fluorescence intensity stability up to as high as 42 °C, compared to the bare ruthenium complex. Also, due to a direct deprotonation-protonation process between the ruthenium complex and SAP molecules, the fluorescence of the photo-cross-linked SAP is capable of exhibiting "off-on-off-on" luminescence switchable from acid to basic pH. Lastly, we showed that the photo-cross-linked hydrogel exhibited enhanced mechanical stability with a storage modulus of ∼26 kPa, due to the formation of a densely entangled fibrous network of SAP molecules through dityrosine linkages. As such, this ruthenium-mediated photo-cross-linked SAP hydrogel could be useful in the design of novel tyrosine containing SAP materials with intriguing potential for biomedical imaging, pH sensing, photonics, soft electronics, and bioprinting.
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Affiliation(s)
- Raffaele Pugliese
- Tissue Engineering Unit, Institute for Stem Cell Biology, Regenerative Medicine and Innovative Therapies-ISBReMIT, Fondazione IRCCS Casa Sollievo della Sofferenza 71013 San Giovanni Rotondo FG Italy
- NeMO Lab, ASST Grande Ospedale Metropolitano Niguarda 20162 Milan Italy
| | - Monica Montuori
- Biotechnology and Biosciences Department, University of Milano-Bicocca 20162 Milan Italy
| | - Fabrizio Gelain
- Tissue Engineering Unit, Institute for Stem Cell Biology, Regenerative Medicine and Innovative Therapies-ISBReMIT, Fondazione IRCCS Casa Sollievo della Sofferenza 71013 San Giovanni Rotondo FG Italy
- Center for Nanomedicine and Tissue Engineering (CNTE), ASST Grande Ospedale Metropolitano Niguarda 20162 Milan Italy
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43
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Liberato MS, Cavalcante NGS, Sindu PA, Rodrigues-Jesus MJ, Zelenovskii P, Carreira ACO, Baptista MS, Sogayar MC, Ferreira LCS, Catalani LH. Histidine-based hydrogels via singlet-oxygen photooxidation. SOFT MATTER 2021; 17:10926-10934. [PMID: 34811564 DOI: 10.1039/d1sm01023a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The formation of hydrogels by photosensitized oxidation and crosslinking of histidine-derived polymers is demonstrated for the first time. The photooxidation of pendant His mediated by singlet oxygen was used to promote covalent coupling by its dimerization. As a proof-of-concept, two systems were studied: (i) chondroitin sulfate (CS) functionalized with His, and (ii) an elastin-like peptide (ELP) containing His produced by recombinant techniques. Both materials were crosslinked by irradiation at 425 nm in the presence of Zn-porphyrin derivatives yielding His-based hydrogels. The molecular structure and physicochemical properties of ELP-His and other 5 ELPs with photooxidizable amino acids were studied in silica by computer simulation. A correlation between the protein conformation and its elastic properties is discussed. CS-His hydrogels demonstrate larger storage moduli than ELPs with other amino acids. The obtained results show the potential use of photooxidation to create a new type of His-based hydrogels.
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Affiliation(s)
- Michelle S Liberato
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil.
| | - Nayara G S Cavalcante
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil.
| | - P Abinaya Sindu
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil.
| | - Mônica J Rodrigues-Jesus
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, 05508-000, São Paulo, Brazil
| | - Pavel Zelenovskii
- Department of Chemistry & CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Ana C O Carreira
- Cell and Molecular Therapy Center (NUCEL), Medical School, University of São Paulo, 05508-220, São Paulo, Brazil
| | - Maurício S Baptista
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil
| | - Mari C Sogayar
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil.
- Cell and Molecular Therapy Center (NUCEL), Medical School, University of São Paulo, 05508-220, São Paulo, Brazil
| | - Luís C S Ferreira
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, 05508-000, São Paulo, Brazil
| | - Luiz H Catalani
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, Brazil.
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44
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Ganewatta MS, Wang Z, Tang C. Chemical syntheses of bioinspired and biomimetic polymers toward biobased materials. Nat Rev Chem 2021; 5:753-772. [PMID: 36238089 PMCID: PMC9555244 DOI: 10.1038/s41570-021-00325-x] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/13/2021] [Indexed: 12/21/2022]
Abstract
The rich structures and hierarchical organizations in nature provide many sources of inspiration for advanced material designs. We wish to recapitulate properties such as high mechanical strength, colour-changing ability, autonomous healing and antimicrobial efficacy in next-generation synthetic materials. Common in nature are non-covalent interactions such as hydrogen bonding, ionic interactions and hydrophobic effects, which are all useful motifs in tailor-made materials. Among these are biobased components, which are ubiquitously conceptualized in the space of recently developed bioinspired and biomimetic materials. In this regard, sustainable organic polymer chemistry enables us to tune the properties and functions of such materials that are essential for daily life. In this Review, we discuss recent progress in bioinspired and biomimetic polymers and provide insights into biobased materials through the evolution of chemical approaches, including networking/crosslinking, dynamic interactions and self-assembly. We focus on advances in biobased materials; namely polymeric mimics of resilin and spider silk, mechanically and optically adaptive materials, self-healing elastomers and hydrogels, and antimicrobial polymers.
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Affiliation(s)
- Mitra S Ganewatta
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA
| | - Zhongkai Wang
- Biomass Molecular Engineering Center, Anhui Agricultural University, Hefei, China
| | - Chuanbing Tang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, USA
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45
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Macha P, Mayes ML, Visayas BRB, Soni V, Sammeta VR, Vasudev MC. Influence of dityrosine nanotubes on the expression of dopamine and differentiation in neural cells. J Mater Chem B 2021; 9:3900-3911. [PMID: 33928965 DOI: 10.1039/d0tb02680h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, we report the synthesis of self-assembled dityrosine nanotubes as a biologically functional scaffold and their interactions with neural cells. Quantum chemical methods were used to determine the forces involved in the self-assembly process. The physicochemical properties of the nanostructures relevant to their potential as bioactive scaffolds were characterized. The morphology, secondary structure, crystallinity, mechanical properties, and thermal characteristics of YY nanotubes were analyzed. The influence of these nanotubes as scaffolds for neural cells was studied in vitro to understand their effects on cell proliferation, morphology, and gene expression. The scanning electron microscopy and fluorescence confocal microscopy demonstrated the feasibility of nanotube scaffolds for enhanced adhesion to rat and human neural cells (PC12 and SH-SY5Y). Preliminary ELISA and qPCR analyses demonstrate the upregulation of dopamine synthesis and genes involved in dopamine expression and differentiation. The expression levels of DβH, AADC, VMAT2 and MAOA in SH-SY5Y cells cultured on the nanotube scaffolds for 7 days were elevated in comparison to the control cells.
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Affiliation(s)
- Prathyushakrishna Macha
- Department of Bioengineering, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA.
| | - Maricris L Mayes
- Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA
| | - Benjoe Rey B Visayas
- Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA
| | - Vikas Soni
- Department of Bioengineering, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA. and Department of Mechanical Engineering, George Washington University, DC 20052, USA
| | | | - Milana C Vasudev
- Department of Bioengineering, University of Massachusetts Dartmouth, Dartmouth, MA 02747, USA.
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46
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Kim MH, Green SD, Lin C, Konig H. Engineering Tools for Regulating Hypoxia in Tumour Models. J Cell Mol Med 2021; 25:7581-7592. [PMID: 34213838 PMCID: PMC8358887 DOI: 10.1111/jcmm.16759] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 06/01/2021] [Accepted: 06/03/2021] [Indexed: 12/21/2022] Open
Abstract
Major advances in the field of genomic technologies have led to an improvement in cancer diagnosis, classification and prognostication. However, many cancers remain incurable due to the development of drug resistance, minimal residual disease (MRD) and disease relapse, highlighting an incomplete understanding of the mechanisms underlying these processes. In recent years, the impact of non-genetic factors on neoplastic transformations has increasingly been acknowledged, and growing evidence suggests that low oxygen (O2 ) levels (ie hypoxia) in the tumour microenvironment play a critical role in the development and treatment of cancer. As a result, there is a growing need to develop research tools capable of reproducing physiologically relevant O2 conditions encountered by cancer cells in their natural environments in order to gain in-depth insight into tumour cell metabolism and function. In this review, the authors highlight the importance of hypoxia in the pathogenesis of malignant diseases and provide an overview of novel engineering tools that have the potential to further drive this evolving, yet technically challenging, field of cancer research.
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Affiliation(s)
- Min Hee Kim
- Department of Biomedical EngineeringIndiana University‐Purdue University IndianapolisIndianapolisINUS
| | - Steven D. Green
- Department of MedicineDivision of Hematology/OncologyIndiana University School of MedicineIndianapolisINUS
| | - Chien‐Chi Lin
- Department of Biomedical EngineeringIndiana University‐Purdue University IndianapolisIndianapolisINUS
- Indiana University Melvin and Bren Simon Comprehensive Cancer CenterIndianapolisINUS
| | - Heiko Konig
- Department of MedicineDivision of Hematology/OncologyIndiana University School of MedicineIndianapolisINUS
- Indiana University Melvin and Bren Simon Comprehensive Cancer CenterIndianapolisINUS
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47
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Park S, Jung S, Heo J, Koh WG, Lee S, Hong J. Chitosan/Cellulose-Based Porous Nanofilm Delivering C-Phycocyanin: A Novel Platform for the Production of Cost-Effective Cultured Meat. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32193-32204. [PMID: 34185496 DOI: 10.1021/acsami.1c07385] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Cultured meat is artificial meat produced via the mass culture of cells without slaughtering livestock. In the production process of cultured meat, the mass proliferation for preparing abundant cells is a strenuous and time-consuming procedure requiring expensive and excess serum. Herein, C-phycocyanin (C-PC) extracted from blue algae was selected as a substitute for animal-derived serum and a polysaccharide film-based platform was developed to effectively deliver C-PC to myoblast while reducing the cost of cell medium. The polysaccharide platform has a sophisticated structure in which an agarose layer is capped on a porous multilayer film formed by molecular reassembly between chitosan and carboxymethylcellulose (CMC). The porous multilayer film provides an inner structure in which C-PC can be incorporated, and the agarose layer protects and stabilizes the C-PC. The completed platform was easily applied to a cell culture plate to efficiently release C-PC, thereby improving myoblast proliferation in a serum-reduced environment during long-term culture. We developed a cell sheet-based meat model using this polysaccharide platform to evaluate the improved cost-efficiency by the platform method in the mass proliferation of cells. This strategy and innovative technology can simplify the production system and secure price competitiveness to commercialize cultured meat.
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Affiliation(s)
- Sohyeon Park
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Sungwon Jung
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jiwoong Heo
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Won-Gun Koh
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Sangmin Lee
- School of Mechanical Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Jinkee Hong
- Department of Chemical & Biomolecular Engineering, College of Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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48
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Minamihata K, Tanaka Y, Santoso P, Goto M, Kozome D, Taira T, Kamiya N. Orthogonal Enzymatic Conjugation Reactions Create Chitin Binding Domain Grafted Chitinase Polymers with Enhanced Antifungal Activity. Bioconjug Chem 2021; 32:1688-1698. [PMID: 34251809 DOI: 10.1021/acs.bioconjchem.1c00235] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Enzymatic reaction offers site-specific conjugation of protein units to form protein conjugates or protein polymers with intrinsic functions. Herein, we report horseradish peroxidase (HRP)- and microbial transglutaminase (MTG)-catalyzed orthogonal conjugation reactions to create antifungal protein polymers composed of Pteris ryukyuensis chitinase-A (ChiA) and its two domains, catalytic domain, CatD, and chitin-binding domain, LysM2. We engineered the ChiA and CatD by introducing a peptide tag containing tyrosine (Y-tag) at N-termini and a peptide tag containing lysine and tyrosine (KY-tag) at C-termini to construct Y-ChiA-KY and Y-CatD-KY. Also, LysM2 with Y-tag and KY-tag (Y-LysM2-KY) or with a glutamine-containing peptide tag (Q-tag) (LysM2-Q) were constructed. The proteins with Y-tag and KY-tag were efficiently polymerized by HRP reaction through the formation of dityrosine bonds at the tyrosine residues in the peptide tags. The Y-CatD-KY polymer was further treated by MTG to orthogonally graft LysM2-Q to the KY-tag via isopeptide formation between the side chains of the glutamine and lysine residues in the peptide tags to form LysM2-grafted CatD polymer. The LysM2-grafted CatD polymer exhibited significantly higher antifungal activity than the homopolymer of Y-ChiA-KY and the random copolymer of Y-CatD-KY and Y-LysM2-KY, demonstrating that the structural differences of artificial chitinase polymers have a significant impact on the antifungal activity. This strategy of polymerization and grafting reaction of protein can contribute to the further research and development of functional protein polymers for specific applications in various fields in biotechnology.
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Affiliation(s)
- Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yusuke Tanaka
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Pugoh Santoso
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masahiro Goto
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.,Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Dan Kozome
- Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus, 1 Senbaru, Nishihara-cho, Okinawa 903-0213, Japan
| | - Toki Taira
- Department of Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus, 1 Senbaru, Nishihara-cho, Okinawa 903-0213, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan.,Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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Agostinacchio F, Mu X, Dirè S, Motta A, Kaplan DL. In Situ 3D Printing: Opportunities with Silk Inks. Trends Biotechnol 2021; 39:719-730. [PMID: 33279280 PMCID: PMC8169713 DOI: 10.1016/j.tibtech.2020.11.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/17/2020] [Accepted: 11/05/2020] [Indexed: 12/27/2022]
Abstract
In situ 3D printing is an emerging technique designed for patient-specific needs and performed directly in the patient's tissues in the operating room. While this technology has progressed rapidly, several improvements are needed to push it forward for widespread utility, including ink formulations and optimization for in situ context. Silk fibroin inks emerge as a viable option due to the diverse range of formulations, aqueous processability, robust and tunable mechanical properties, and self-assembly via biophysical adsorption to avoid exogenous chemical or photochemical sensitizer additives, among other features. In this review, we focus on this new frontier of 3D in situ printing for tissue regeneration, where silk is proposed as candidate biomaterial ink due to the unique and useful properties of this protein polymer.
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Affiliation(s)
- Francesca Agostinacchio
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; BIOTech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Trento, via Delle Regole 101, Trento 38123, Italy
| | - Xuan Mu
- Department of Biomedical Engineering Tufts University Medford, MA 02155, USA
| | - Sandra Dirè
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; 'Klaus Muller' Magnetic Resonance Laboratory, Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy
| | - Antonella Motta
- Department of Industrial Engineering, University of Trento, Via Sommarive 9, 38123 Trento, Italy; BIOTech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Trento, via Delle Regole 101, Trento 38123, Italy
| | - David L Kaplan
- Department of Biomedical Engineering Tufts University Medford, MA 02155, USA.
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Bucci R, Georgilis E, Bittner AM, Gelmi ML, Clerici F. Peptide-Based Electrospun Fibers: Current Status and Emerging Developments. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1262. [PMID: 34065019 PMCID: PMC8151459 DOI: 10.3390/nano11051262] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 04/26/2021] [Accepted: 05/05/2021] [Indexed: 12/15/2022]
Abstract
Electrospinning is a well-known, straightforward, and versatile technique, widely used for the preparation of fibers by electrifying a polymer solution. However, a high molecular weight is not essential for obtaining uniform electrospun fibers; in fact, the primary criterion to succeed is the presence of sufficient intermolecular interactions, which function similar to chain entanglements. Some small molecules able to self-assemble have been electrospun from solution into fibers and, among them, peptides containing both natural and non-natural amino acids are of particular relevance. Nowadays, the use of peptides for this purpose is at an early stage, but it is gaining more and more interest, and we are now witnessing the transition from basic research towards applications. Considering the novelty in the relevant processing, the aim of this review is to analyze the state of the art from the early 2000s on. Moreover, advantages and drawbacks in using peptides as the main or sole component for generating electrospun nanofibers will be discussed. Characterization techniques that are specifically targeted to the produced peptide fibers are presented.
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Affiliation(s)
- Raffaella Bucci
- Department of Pharmaceutical Sciences, University of Milan, Via Venezian 21, 20133 Milan, Italy; (M.L.G.); (F.C.)
| | - Evangelos Georgilis
- CIC nanoGUNE, (BRTA) Tolosa Hiribidea 76, 20018 Donostia-San Sebastián, Spain; (E.G.); (A.M.B.)
| | - Alexander M. Bittner
- CIC nanoGUNE, (BRTA) Tolosa Hiribidea 76, 20018 Donostia-San Sebastián, Spain; (E.G.); (A.M.B.)
- Ikerbasque Basque Foundation for Science, Pl. Euskadi 5, 48009 Bilbao, Spain
| | - Maria L. Gelmi
- Department of Pharmaceutical Sciences, University of Milan, Via Venezian 21, 20133 Milan, Italy; (M.L.G.); (F.C.)
| | - Francesca Clerici
- Department of Pharmaceutical Sciences, University of Milan, Via Venezian 21, 20133 Milan, Italy; (M.L.G.); (F.C.)
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