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Zhang L, Li X, He Q, Chen M, Zhou M, Guo J, Li Y, Tu Z. Elastin-like polypeptide-functionalized nanobody for column-free immunoaffinity purification of aflatoxin B 1. Anal Bioanal Chem 2024:10.1007/s00216-024-05498-0. [PMID: 39264463 DOI: 10.1007/s00216-024-05498-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 07/29/2024] [Accepted: 08/15/2024] [Indexed: 09/13/2024]
Abstract
A column-free immunoaffinity purification (CFIP) technique for sample preparation of aflatoxin B1 (AFB1) was developed using an AFB1-specific nanobody (named G8) and an elastin-like polypeptide (ELP). The reversible phase transition between liquid and solid in response to temperature changes was exhibited by the ELP which was derived from human elastin. The G8 was tagged with ELPs of various lengths (20, 40, 60, and 80 repeat units) at the C-terminus using recursive directional ligation (RDL). Coding sequences were then subcloned into pET30a at the multiple cloning sites. Bioactive recombinant proteins were produced by expressing them as inclusion bodies in Escherichia coli BL21 (DE3), then dissolved and refolded. Analysis by indirect competitive enzyme-linked immunosorbent assay (icELISA) and transition temperature (Tt) measurement confirmed that the refolded G8-ELPs preserved the ability to recognize AFB1 as well as phase transition when the temperature rose above Tt. To establish the optimal conditions for cleaning AFB1, the effects of various parameters on recovery were investigated. The recovery in ELISA tests was 95 ± 3.67% under the optimized CFIP workflow. Furthermore, the CFIP-prepared samples were applied for high-performance liquid chromatography (HPLC) detection. The recovery in the CFIP-HPLC test ranged from 54 ± 1.86% to 98 ± 3.58% for maize, rice, soy sauce, and vegetable oil samples. To the best of our knowledge, this is the first report combining the function of both nanobody and ELP to develop a cleanup technique for small molecules in a complex matrix. The CFIP for the sample pretreatment was easy to use and inexpensive. In contrast to conventional immunosensitivity materials, the reagent utilized in the CFIP was entirely biosynthesized without any chemical coupling reactions. This suggests that the nanobody-ELP may serve as a useful dual-functional reagent for the development of sample cleaning or purification methods.
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Affiliation(s)
- Leping Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China
- College of Food Science, Nanchang University, Nanchang, 330031, China
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China
| | - Xiaojiang Li
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China
- College of Food Science, Nanchang University, Nanchang, 330031, China
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China
| | - Qinghua He
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China
- Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang, 330047, China
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China
| | - Mengna Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China
- College of Food Science, Nanchang University, Nanchang, 330031, China
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China
| | - Mengmeng Zhou
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China
- College of Food Science, Nanchang University, Nanchang, 330031, China
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China
| | - Jiebiao Guo
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan, 512005, China
| | - Yanping Li
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China.
- Jiangxi-OAI Joint Research Institution, Nanchang University, Nanchang, 330047, China.
| | - Zhui Tu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, 330047, China.
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, Nanchang, 330031, China.
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Al Musaimi O, Ng KW, Gavva V, Mercado-Valenzo OM, Haroon HB, Williams DR. Elastin-Derived Peptide-Based Hydrogels as a Potential Drug Delivery System. Gels 2024; 10:531. [PMID: 39195060 DOI: 10.3390/gels10080531] [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: 07/15/2024] [Revised: 08/01/2024] [Accepted: 08/09/2024] [Indexed: 08/29/2024] Open
Abstract
A peptide-based hydrogel sequence was computationally predicted from the Ala-rich cross-linked domains of elastin. Three candidate peptides were subsequently synthesised and characterised as potential drug delivery vehicles. The elastin-derived peptides are Fmoc-FFAAAAKAA-NH2, Fmoc-FFAAAKAA-NH2, and Fmoc-FFAAAKAAA-NH2. All three peptide sequences were able to self-assemble into nanofibers. However, only the first two could form hydrogels, which are preferred as delivery systems compared to solutions. Both of these peptides also exhibited favourable nanofiber lengths of at least 1.86 and 4.57 µm, respectively, which are beneficial for the successful delivery and stability of drugs. The shorter fibre lengths of the third peptide (maximum 0.649 µm) could have inhibited their self-assembly into the three-dimensional networks crucial to hydrogel formation.
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Affiliation(s)
- Othman Al Musaimi
- School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
| | - Keng Wooi Ng
- School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Varshitha Gavva
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
| | | | - Hajira Banu Haroon
- School of Pharmacy, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Daryl R Williams
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, UK
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Nawaz T, Gu L, Gibbons J, Hu Z, Zhou R. Bridging Nature and Engineering: Protein-Derived Materials for Bio-Inspired Applications. Biomimetics (Basel) 2024; 9:373. [PMID: 38921253 PMCID: PMC11201842 DOI: 10.3390/biomimetics9060373] [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: 04/28/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 06/27/2024] Open
Abstract
The sophisticated, elegant protein-polymers designed by nature can serve as inspiration to redesign and biomanufacture protein-based materials using synthetic biology. Historically, petro-based polymeric materials have dominated industrial activities, consequently transforming our way of living. While this benefits humans, the fabrication and disposal of these materials causes environmental sustainability challenges. Fortunately, protein-based biopolymers can compete with and potentially surpass the performance of petro-based polymers because they can be biologically produced and degraded in an environmentally friendly fashion. This paper reviews four groups of protein-based polymers, including fibrous proteins (collagen, silk fibroin, fibrillin, and keratin), elastomeric proteins (elastin, resilin, and wheat glutenin), adhesive/matrix proteins (spongin and conchiolin), and cyanophycin. We discuss the connection between protein sequence, structure, function, and biomimetic applications. Protein engineering techniques, such as directed evolution and rational design, can be used to improve the functionality of natural protein-based materials. For example, the inclusion of specific protein domains, particularly those observed in structural proteins, such as silk and collagen, enables the creation of novel biomimetic materials with exceptional mechanical properties and adaptability. This review also discusses recent advancements in the production and application of new protein-based materials through the approach of synthetic biology combined biomimetics, providing insight for future research and development of cutting-edge bio-inspired products. Protein-based polymers that utilize nature's designs as a base, then modified by advancements at the intersection of biology and engineering, may provide mankind with more sustainable products.
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Affiliation(s)
- Taufiq Nawaz
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
| | - Liping Gu
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
| | | | - Zhong Hu
- Department of Mechanical Engineering, South Dakota State University, Brookings, SD 57007, USA;
| | - Ruanbao Zhou
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD 57007, USA;
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4
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Noro J, Vilaça-Faria H, Reis RL, Pirraco RP. Extracellular matrix-derived materials for tissue engineering and regenerative medicine: A journey from isolation to characterization and application. Bioact Mater 2024; 34:494-519. [PMID: 38298755 PMCID: PMC10827697 DOI: 10.1016/j.bioactmat.2024.01.004] [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: 10/10/2023] [Revised: 12/19/2023] [Accepted: 01/03/2024] [Indexed: 02/02/2024] Open
Abstract
Biomaterial choice is an essential step during the development tissue engineering and regenerative medicine (TERM) applications. The selected biomaterial must present properties allowing the physiological-like recapitulation of several processes that lead to the reestablishment of homeostatic tissue or organ function. Biomaterials derived from the extracellular matrix (ECM) present many such properties and their use in the field has been steadily increasing. Considering this growing importance, it becomes imperative to provide a comprehensive overview of ECM biomaterials, encompassing their sourcing, processing, and integration into TERM applications. This review compiles the main strategies used to isolate and process ECM-derived biomaterials as well as different techniques used for its characterization, namely biochemical and chemical, physical, morphological, and biological. Lastly, some of their applications in the TERM field are explored and discussed.
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Affiliation(s)
- Jennifer Noro
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Helena Vilaça-Faria
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rogério P. Pirraco
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
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Depenveiller C, Baud S, Belloy N, Bochicchio B, Dandurand J, Dauchez M, Pepe A, Pomès R, Samouillan V, Debelle L. Structural and physical basis for the elasticity of elastin. Q Rev Biophys 2024; 57:e3. [PMID: 38501287 DOI: 10.1017/s0033583524000040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Elastin function is to endow vertebrate tissues with elasticity so that they can adapt to local mechanical constraints. The hydrophobicity and insolubility of the mature elastin polymer have hampered studies of its molecular organisation and structure-elasticity relationships. Nevertheless, a growing number of studies from a broad range of disciplines have provided invaluable insights, and several structural models of elastin have been proposed. However, many questions remain regarding how the primary sequence of elastin (and the soluble precursor tropoelastin) governs the molecular structure, its organisation into a polymeric network, and the mechanical properties of the resulting material. The elasticity of elastin is known to be largely entropic in origin, a property that is understood to arise from both its disordered molecular structure and its hydrophobic character. Despite a high degree of hydrophobicity, elastin does not form compact, water-excluding domains and remains highly disordered. However, elastin contains both stable and labile secondary structure elements. Current models of elastin structure and function are drawn from data collected on tropoelastin and on elastin-like peptides (ELPs) but at the tissue level, elasticity is only achieved after polymerisation of the mature elastin. In tissues, the reticulation of tropoelastin chains in water defines the polymer elastin that bears elasticity. Similarly, ELPs require polymerisation to become elastic. There is considerable interest in elastin especially in the biomaterials and cosmetic fields where ELPs are widely used. This review aims to provide an up-to-date survey of/perspective on current knowledge about the interplay between elastin structure, solvation, and entropic elasticity.
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Affiliation(s)
- Camille Depenveiller
- UMR URCA/CNRS 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), UFR Sciences Exactes et Naturelles, SFR CAP Santé, Université de Reims Champagne-Ardenne, Reims, France
- Unité de Génie Enzymatique et Cellulaire UMR 7025 CNRS, Université de Picardie Jules Verne, Amiens, France
| | - Stéphanie Baud
- UMR URCA/CNRS 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), UFR Sciences Exactes et Naturelles, SFR CAP Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Nicolas Belloy
- UMR URCA/CNRS 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), UFR Sciences Exactes et Naturelles, SFR CAP Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Brigida Bochicchio
- Laboratory of Bioinspired Materials, Department of Science, University of Basilicata, Potenza, Italy
| | - Jany Dandurand
- CIRIMAT UMR 5085, Université Paul Sabatier, Université de Toulouse, Toulouse, France
| | - Manuel Dauchez
- UMR URCA/CNRS 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), UFR Sciences Exactes et Naturelles, SFR CAP Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Antonietta Pepe
- Laboratory of Bioinspired Materials, Department of Science, University of Basilicata, Potenza, Italy
| | - Régis Pomès
- Molecular Medicine, Hospital for Sick Children, Toronto, ON, Canada
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada
| | - Valérie Samouillan
- CIRIMAT UMR 5085, Université Paul Sabatier, Université de Toulouse, Toulouse, France
| | - Laurent Debelle
- UMR URCA/CNRS 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), UFR Sciences Exactes et Naturelles, SFR CAP Santé, Université de Reims Champagne-Ardenne, Reims, France
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Karunakaran C, Niranjan V, Setlur AS, Pradeep D, Kumar J. Exploring the Role of Non-synonymous and Deleterious Variants Identified in Colorectal Cancer: A Multi-dimensional Computational Scrutiny of Exomes. Curr Genomics 2024; 25:41-64. [PMID: 38544823 PMCID: PMC10964087 DOI: 10.2174/0113892029285310231227105503] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/25/2023] [Accepted: 12/13/2023] [Indexed: 08/25/2024] Open
Abstract
Introduction Colorectal cancers are the world's third most commonly diagnosed type of cancer. Currently, there are several diagnostic and treatment options to combat it. However, a delay in detection of the disease is life-threatening. Additionally, a thorough analysis of the exomes of cancers reveals potential variation data that can be used for early disease prognosis. Methods By utilizing a comprehensive computational investigation, the present study aimed to reveal mutations that could potentially predispose to colorectal cancer. Ten colorectal cancer exomes were retrieved. Quality control assessments were performed using FastQC and MultiQC, gapped alignment to the human reference genome (hg19) using Bowtie2 and calling the germline variants using Haplotype caller in the GATK pipeline. The variants were filtered and annotated using SIFT and PolyPhen2 successfully categorized the mutations into synonymous, non-synonymous, start loss and stop gain mutations as well as marked them as possibly damaging, probably damaging and benign. This mutational profile helped in shortlisting frequently occurring mutations and associated genes, for which the downstream multi-dimensional expression analyses were carried out. Results Our work involved prioritizing the non-synonymous, deleterious SNPs since these polymorphisms bring about a functional alteration to the phenotype. The top variations associated with their genes with the highest frequency of occurrence included LGALS8, CTSB, RAD17, CPNE1, OPRM1, SEMA4D, MUC4, PDE4DIP, ELN and ADRA1A. An in-depth multi-dimensional downstream analysis of all these genes in terms of gene expression profiling and analysis and differential gene expression with regard to various cancer types revealed CTSB and CPNE1 as highly expressed and overregulated genes in colorectal cancer. Conclusion Our work provides insights into the various alterations that might possibly lead to colorectal cancer and suggests the possibility of utilizing the most important genes identified for wet-lab experimentation.
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Affiliation(s)
- Chandrashekar Karunakaran
- Department of Biotechnology, R V College of Engineering, Bangalore, 560059, affiliated to Visveswaraya Technological University, Belagavi, 590018, India
| | - Vidya Niranjan
- Department of Biotechnology, R V College of Engineering, Bangalore, 560059, affiliated to Visveswaraya Technological University, Belagavi, 590018, India
| | - Anagha S. Setlur
- Department of Biotechnology, R V College of Engineering, Bangalore, 560059, affiliated to Visveswaraya Technological University, Belagavi, 590018, India
| | - Dhanya Pradeep
- Department of Biotechnology, BMS College of Engineering, Bangalore, 560019, India
| | - Jitendra Kumar
- Biotechnology Industry Research Assistance Council (BIRAC), CGO complex Lodhi Road, New Delhi, India
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7
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Suyama K, Murashima M, Maeda I, Nose T. Enhancement of Aggregate Formation Through Aromatic Compound Adsorption in Elastin-like Peptide (FPGVG) 5 Analogs. Biomacromolecules 2023; 24:5265-5276. [PMID: 37865930 DOI: 10.1021/acs.biomac.3c00779] [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: 10/24/2023]
Abstract
Elastin-like peptides (ELPs) exhibit temperature-dependent reversible self-assembly. Repetitive sequences derived from elastin, such as Val-Pro-Gly-Val-Gly (VPGVG), are essential for the self-assembly of ELPs. Previously, we developed (FPGVG)5 (F5), in which the first valine residue in the VPGVG sequence was replaced with phenylalanine, which showed strong self-aggregation ability. This suggests that interactions through the aromatic amino acid residues of ELPs could play an important role in self-assembly. In this study, we investigated the thermoresponsive behavior of F5 analogs in the presence of aromatic compounds. Turbidimetry, spectroscopy, and fluorescence measurements demonstrated that aromatic compounds interacted with F5 analogs below the transition temperature and enhanced the self-assembly ability of ELPs by stabilizing amyloid-like structures. Furthermore, quantitative high-performance liquid chromatography analyses showed that the F5 analogs could adsorb and remove hydrophobic aromatic compounds from aqueous solutions during aggregate formation. These results suggested that the F5 analogs can be applicable as scavengers of aromatic compounds.
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Affiliation(s)
- Keitaro Suyama
- Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Masayuki Murashima
- Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Iori Maeda
- Department of Physics and Information Technology, Kyushu Institute of Technology, Iizuka 820-8502, Fukuoka, Japan
| | - Takeru Nose
- Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
- Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka 819-0395, Japan
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8
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Fan X, Valenzuela C, Zhao W, Chen Z, Wang D, Mentzer SJ. Stochastic simulations of self-organized elastogenesis in the developing lung. PLoS Comput Biol 2023; 19:e1011219. [PMID: 37315061 DOI: 10.1371/journal.pcbi.1011219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/26/2023] [Indexed: 06/16/2023] Open
Abstract
In the normal lung, the dominant cable is an elastic "line element" composed of elastin fibers bound to a protein scaffold. The cable line element maintains alveolar geometry by balancing surface forces within the alveolus and changes in lung volume with exercise. Recent work in the postnatal rat lung has suggested that the process of cable development is self-organized in the extracellular matrix. Early in postnatal development, a blanket of tropoelastin (TE) spheres appear in the primitive lung. Within 7 to 10 days, the TE spheres are incorporated into a distributed protein scaffold creating the mature cable line element. To study the process of extracellular assembly, we used cellular automata (CA) simulations. CA simulations demonstrated that the intermediate step of tropoelastin self-aggregation into TE spheres enhanced the efficiency of cable formation more than 5-fold. Similarly, the rate of tropoelastin production had a direct impact on the efficiency of scaffold binding. The binding affinity of the tropoelastin to the protein scaffold, potentially reflecting heritable traits, also had a significant impact on cable development. In contrast, the spatial distribution of TE monomer production, increased Brownian motion and variations in scaffold geometry did not significantly impact simulations of cable development. We conclude that CA simulations are useful in exploring the impact of concentration, geometry, and movement on the fundamental process of elastogenesis.
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Affiliation(s)
- Xiru Fan
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China
- Meta Robotics Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Cristian Valenzuela
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Weijing Zhao
- Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zi Chen
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Dong Wang
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China
- Meta Robotics Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Steven J Mentzer
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America
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9
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Park D, Lee SJ, Choi DK, Park JW. Therapeutic Agent-Loaded Fibrous Scaffolds for Biomedical Applications. Pharmaceutics 2023; 15:pharmaceutics15051522. [PMID: 37242764 DOI: 10.3390/pharmaceutics15051522] [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: 04/05/2023] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
Tissue engineering is a sophisticated field that involves the integration of various disciplines, such as clinical medicine, material science, and life science, to repair or regenerate damaged tissues and organs. To achieve the successful regeneration of damaged or diseased tissues, it is necessary to fabricate biomimetic scaffolds that provide structural support to the surrounding cells and tissues. Fibrous scaffolds loaded with therapeutic agents have shown considerable potential in tissue engineering. In this comprehensive review, we examine various methods for fabricating bioactive molecule-loaded fibrous scaffolds, including preparation methods for fibrous scaffolds and drug-loading techniques. Additionally, we delved into the recent biomedical applications of these scaffolds, such as tissue regeneration, inhibition of tumor recurrence, and immunomodulation. The aim of this review is to discuss the latest research trends in fibrous scaffold manufacturing methods, materials, drug-loading methods with parameter information, and therapeutic applications with the goal of contributing to the development of new technologies or improvements to existing ones.
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Affiliation(s)
- Dongsik Park
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Su Jin Lee
- Drug Manufacturing Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Dong Kyu Choi
- New Drug Development Center (NDDC), Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
| | - Jee-Woong Park
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI Hub), Daegu 41061, Republic of Korea
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10
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Trębacz H, Barzycka A. Mechanical Properties and Functions of Elastin: An Overview. Biomolecules 2023; 13:biom13030574. [PMID: 36979509 PMCID: PMC10046833 DOI: 10.3390/biom13030574] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/08/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Human tissues must be elastic, much like other materials that work under continuous loads without losing functionality. The elasticity of tissues is provided by elastin, a unique protein of the extracellular matrix (ECM) of mammals. Its function is to endow soft tissues with low stiffness, high and fully reversible extensibility, and efficient elastic-energy storage. Depending on the mechanical functions, the amount and distribution of elastin-rich elastic fibers vary between and within tissues and organs. The article presents a concise overview of the mechanical properties of elastin and its role in the elasticity of soft tissues. Both the occurrence of elastin and the relationship between its spatial arrangement and mechanical functions in a given tissue or organ are overviewed. As elastin in tissues occurs only in the form of elastic fibers, the current state of knowledge about their mechanical characteristics, as well as certain aspects of degradation of these fibers and their mechanical performance, is presented. The overview also outlines the latest understanding of the molecular basis of unique physical characteristics of elastin and, in particular, the origin of the driving force of elastic recoil after stretching.
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Affiliation(s)
- Hanna Trębacz
- Department of Biophysics, Medical University of Lublin, Al. Racławickie 1, 20-059 Lublin, Poland
| | - Angelika Barzycka
- Department of Biophysics, Medical University of Lublin, Al. Racławickie 1, 20-059 Lublin, Poland
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11
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Mahmood T, Shahbaz A, Hussain N, Ali R, Bashir H, Rizwan K. Recent advancements in fusion protein technologies in oncotherapy: A review. Int J Biol Macromol 2023; 230:123161. [PMID: 36610574 DOI: 10.1016/j.ijbiomac.2023.123161] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/05/2023]
Abstract
Cancer is a complicated, adaptable, and heterogeneous disease caused by a wide variety of genetic changes that might impair ability of cells to function normally. The majority of the tumors can only be shrunk using conventional oncology therapies like chemotherapy, radiation, and surgical resection, and the tumor often recurs. The inability of conventional cancer therapies to completely destroy the Cancer Stem Cells (CSCs) that otherwise lead to therapy resistance is thus addressed by therapeutic approaches that concentrate on targeting CSCs and their micro-environmental niche. In this review, we summarize approaches that are used for the development of fusion proteins and their therapeutic applications for treating cancer. The main purpose of making advancements towards the fusion technology instead of using conventional treatment methods is to achieve a prolonged half-life of the therapeutic drugs. The fusion of drugs to the immune response enhancing cytokines or the fusion of antibody and cytokines not only increases half-life but also increase the stability of the anti-tumor drug. Several molecules including different fragments of antibodies, cytokines, Human Serum Albumin, transferrin, XTEN polymers, Elastin-like polypeptides (ELPs) can be employed as a fusion partner and the resulting fusion proteins are reported to show enhanced anti-tumor response.
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Affiliation(s)
- Tehreem Mahmood
- Department of Biotechnology, Quaid-i-azam University, Islamabad, Pakistan
| | - Areej Shahbaz
- Center for Applied Molecular Biology (CAMB), University of the Punjab, Lahore, Pakistan
| | - Nazim Hussain
- Center for Applied Molecular Biology (CAMB), University of the Punjab, Lahore, Pakistan.
| | - Rahat Ali
- Department of Chemistry, University of Agriculture Faisalabad, Pakistan
| | - Hamid Bashir
- Center for Applied Molecular Biology (CAMB), University of the Punjab, Lahore, Pakistan
| | - Komal Rizwan
- Department of Chemistry, University of Sahiwal, Sahiwal 57000, Pakistan.
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12
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Development of truncated elastin-like peptide analogues with improved temperature-response and self-assembling properties. Sci Rep 2022; 12:19414. [PMID: 36371418 PMCID: PMC9653453 DOI: 10.1038/s41598-022-23940-0] [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: 06/22/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022] Open
Abstract
Functional peptides, which are composed of proteinogenic natural amino acids, are expected to be used as biomaterials with minimal environmental impact. Synthesizing a functional peptide with a shorter amino acid sequence while retaining its function is a easy and economical strategy. Furthermore, shortening functional peptides helps to elucidate the mechanism of their functional core region. Truncated elastin-like peptides (ELPs) are peptides consisting of repetitive sequences, derived from the elastic protein tropoelastin, that show the thermosensitive formation of coacervates. In this study, to obtain shortened ELP analogues, we synthesized several (Phe-Pro-Gly-Val-Gly)n (FPGVG)n analogues with one or two amino acid residues deleted from each repeat sequence, such as the peptide analogues consisting of FPGV and/or FPG sequences. Among the novel truncated ELP analogues, the 16-mer (FPGV)4 exhibited a stronger coacervation ability than the 25-mer (FPGVG)5. These results indicated that the coacervation ability of truncated ELPs was affected by the amino acid sequence and not by the peptide chain length. Based on this finding, we prepared Cd2+-binding sequence-conjugated ELP analogue, AADAAC-(FPGV)4, and found that it could capture Cd2+. These results indicated that the 16-mer (FPGV)4 only composed of proteinogenic amino acids could be a new biomaterial with low environmental impact.
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13
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Abstract
Liquid-liquid phase separation of tropoelastin has long been considered to be an important early step in the complex process of elastin fiber assembly in the body and has inspired the development of elastin-like peptides with a wide range of industrial and biomedical applications. Despite decades of study, the material state of the condensed liquid phase of elastin and its subsequent maturation remain poorly understood. Here, using a model minielastin that mimics the alternating domain structure of full-length tropoelastin, we examine the elastin liquid phase. We combine differential interference contrast (DIC), fluorescence, and scanning electron microscopy with particle-tracking microrheology to resolve the material transition occurring within elastin liquids over time in the absence of exogenous cross-linking. We find that this transition is accompanied by an intermediate stage marked by the coexistence of insoluble solid and dynamic liquid phases giving rise to significant spatial heterogeneities in material properties. We further demonstrate that varying the length of the terminal hydrophobic domains of minielastins can tune the maturation process. This work not only resolves an important step in the hierarchical assembly process of elastogenesis but further contributes mechanistic insight into the diverse repertoire of protein condensate maturation pathways with emerging importance across biology.
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14
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Suyama K, Shimizu M, Maeda I, Nose T. Flexible customization of the self-assembling abilities of short elastin-like peptide Fn analogs by substituting N-terminal amino acids. Biopolymers 2022; 113:e23521. [PMID: 35830538 DOI: 10.1002/bip.23521] [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: 04/14/2022] [Revised: 06/20/2022] [Accepted: 07/01/2022] [Indexed: 11/06/2022]
Abstract
Elastin-like peptides (ELPs) are thermoresponsive biopolymers inspired by the characteristic repetitive sequences of natural elastin. As ELPs exhibit temperature-dependent reversible self-assembly, they are expected to be biocompatible thermoresponsive materials for drug delivery carriers. One of the most widely studied ELPs in this field is the repetitive pentapeptide, (VPGXG)n . We previously reported that phenylalanine-containing ELP (Fn) analogs, in which the former Val residue of the repetitive sequence (VPGVG)n is replaced by Phe, show coacervation with a short chain length (n = 5). Owing to their short sequences, Fn analogs are easily modified in amino acid sequences via simple chemical synthesis, and are useful for investigating the relationship between peptide sequences and temperature responsiveness. In this study, we developed Fn analogs by replacing Phe residue(s) with other amino acids or introducing another amino acid at the N-terminus. The temperature responsiveness of the Fn analogs changed drastically with the substitution of a single Phe residue, suggesting that aromatic amino acids play an important role in their self-assembly. In addition, the self-assembling ability of Fn was enhanced by increasing the bulkiness of the N-terminal amino acids. Therefore, the N-terminal residue was considered to be important for hydrophobicity-induced intermolecular interactions between the peptides during coacervation.
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Affiliation(s)
- Keitaro Suyama
- Faculty of Arts and Science, Kyushu University, Fukuoka, Japan
| | - Marin Shimizu
- Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, Japan
| | - Iori Maeda
- Department of Physics and Information Technology, Kyushu Institute of Technology, Iizuka, Fukuoka, Japan
| | - Takeru Nose
- Faculty of Arts and Science, Kyushu University, Fukuoka, Japan.,Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, Japan
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15
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Matrikines as mediators of tissue remodelling. Adv Drug Deliv Rev 2022; 185:114240. [PMID: 35378216 DOI: 10.1016/j.addr.2022.114240] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/21/2022] [Accepted: 03/26/2022] [Indexed: 11/21/2022]
Abstract
Extracellular matrix (ECM) proteins confer biomechanical properties, maintain cell phenotype and mediate tissue repair (via release of sequestered cytokines and proteases). In contrast to intracellular proteomes, where proteins are monitored and replaced over short time periods, many ECM proteins function for years (decades in humans) without replacement. The longevity of abundant ECM proteins, such as collagen I and elastin, leaves them vulnerable to damage accumulation and their host organs prone to chronic, age-related diseases. However, ECM protein fragmentation can potentially produce peptide cytokines (matrikines) which may exacerbate and/or ameliorate age- and disease-related ECM remodelling. In this review, we discuss ECM composition, function and degradation and highlight examples of endogenous matrikines. We then critically and comprehensively analyse published studies of matrix-derived peptides used as topical skin treatments, before considering the potential for improvements in the discovery and delivery of novel matrix-derived peptides to skin and internal organs. From this, we conclude that while the translational impact of matrix-derived peptide therapeutics is evident, the mechanisms of action of these peptides are poorly defined. Further, well-designed, multimodal studies are required.
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16
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Klass SH, Gleason JM, Omole AO, Onoa B, Bustamante CJ, Francis MB. Preparation of Bioderived and Biodegradable Surfactants Based on an Intrinsically Disordered Protein Sequence. Biomacromolecules 2022; 23:1462-1470. [PMID: 35238203 DOI: 10.1021/acs.biomac.2c00051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Surfactants, block copolymers, and other types of micellar systems are used in a wide variety of biomedical and industrial processes. However, most commonly used surfactants are synthetically derived and pose environmental and toxicological concerns throughout their product life cycle. Because of this, bioderived and biodegradable surfactants are promising alternatives. For biosurfactants to be implemented industrially, they need to be produced on a large scale and also have tailorable properties that match those afforded by the polymerization of synthetic surfactants. In this paper, a scalable and versatile production method for biosurfactants based on a hydrophilic intrinsically disordered protein (IDP) sequence with a genetically engineered hydrophobic domain is used to study variables that impact their physicochemical and self-assembling properties. These amphiphilic sequences were found to self-assemble into micelles over a broad range of temperatures, pH values, and ionic strengths. To investigate the role of the IDP hydrophilic domain on self-assembly, variants with increased overall charges and systematically decreased IDP domain lengths were produced and examined for their sizes, morphologies, and critical micelle concentrations (CMCs). The results of these studies indicate that decreasing the length of the IDP domain and consequently the molecular weight and hydrophilic fraction leads to smaller micelles. In addition, significantly increasing the amount of charged residues in the hydrophilic IDP domain results in micelles of similar sizes but with higher CMC values. This represents an initial step in developing a quantitative model for the future engineering of biosurfactants based on this IDP sequence.
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Affiliation(s)
- Sarah H Klass
- Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
| | - Jamie M Gleason
- Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
| | - Anthony O Omole
- Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
| | - Bibiana Onoa
- Howard Hughes Medical Institute, University of California, Berkeley, California 94720, United States
| | - Carlos J Bustamante
- Howard Hughes Medical Institute, University of California, Berkeley, California 94720, United States.,Institute for Quantitative Biosciences, University of California, Berkeley, California 94720, United States.,Department of Molecular and Cell Biology, University of California, Berkeley, California 94720, United States
| | - Matthew B Francis
- Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States.,Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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17
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The micro-structure and biomechanics of eyelid tarsus. J Biomech 2022; 133:110911. [DOI: 10.1016/j.jbiomech.2021.110911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/03/2021] [Accepted: 12/10/2021] [Indexed: 11/23/2022]
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18
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Sumiyoshi S, Suyama K, Tatsubo D, Tanaka N, Tomohara K, Taniguchi S, Maeda I, Nose T. Metal ion scavenging activity of elastin-like peptide analogues containing a cadmium ion binding sequence. Sci Rep 2022; 12:1861. [PMID: 35115613 PMCID: PMC8814041 DOI: 10.1038/s41598-022-05695-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 01/17/2022] [Indexed: 12/13/2022] Open
Abstract
The development of simple and safe methods for recovering environmental pollutants, such as heavy metals, is needed for sustainable environmental management. Short elastin-like peptide (ELP) analogues conjugated with metal chelating agents are considered to be useful as metal sequestering agents as they are readily produced, environment friendly, and the metal binding domain can be selected based on any target metal of interest. Due to the temperature dependent self-assembly of ELP, the peptide-based sequestering agents can be transformed from the solution state into the particles that chelate metal ions, which can then be collected as precipitates. In this study, we developed a peptide-based sequestering agent, AADAAC-(FPGVG)4, by introducing the metal-binding sequence AADAAC on the N-terminus of a short ELP, (FPGVG)4. In turbidity measurements, AADAAC-(FPGVG)4 revealed strong self-assembling ability in the presence of metal ions such as Cd2+ and Zn2+. The results from colorimetric analysis indicated that AADAAC-(FPGVG)4 could capture Cd2+ and Zn2+. Furthermore, AADAAC-(FPGVG)4 that bound to metal ions could be readily recycled by treatment with acidic solution without compromising its metal binding affinity. The present study indicates that the fusion of the metal-binding sequence and ELP is a useful and powerful strategy to develop cost-effective heavy metal scavenging agents with low environmental impacts.
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Affiliation(s)
- Shogo Sumiyoshi
- Laboratory of Biomolecular Chemistry, Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Keitaro Suyama
- Laboratory of Biomolecular Chemistry, Faculty of Arts and Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Daiki Tatsubo
- Laboratory of Biomolecular Chemistry, Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Naoki Tanaka
- Laboratory of Biomolecular Chemistry, Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Keisuke Tomohara
- Laboratory of Biomolecular Chemistry, Faculty of Arts and Science, Kyushu University, Fukuoka, 819-0395, Japan
| | - Suguru Taniguchi
- Department of Physics and Information Technology, Kyushu Institute of Technology, Iizuka, Fukuoka, 820-8502, Japan
| | - Iori Maeda
- Department of Physics and Information Technology, Kyushu Institute of Technology, Iizuka, Fukuoka, 820-8502, Japan
| | - Takeru Nose
- Laboratory of Biomolecular Chemistry, Department of Chemistry, Faculty and Graduate School of Science, Kyushu University, Fukuoka, 819-0395, Japan.
- Laboratory of Biomolecular Chemistry, Faculty of Arts and Science, Kyushu University, Fukuoka, 819-0395, Japan.
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19
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Lüdeke S, Lohner P, Stühn LG, Betschart MU, Huber MC, Schreiber A, Schiller SM. Dynamische Strukturänderung und Thermodynamik von Phasentrennprozessen eines Proteinmodells mit intrinsisch ungeordneter/geordneter Struktur. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Steffen Lüdeke
- Institut für Pharmazeutische und Biomedizinische Wissenschaften (IPBW) Johannes Gutenberg-Universität Mainz Staudinger Weg 5 55128 Mainz Deutschland
- Institut für Pharmazeutische Wissenschaften Albert-Ludwigs-Universität Freiburg Albertstraße 25 79104 Freiburg Deutschland
| | - Philipp Lohner
- Institut für Pharmazeutische Wissenschaften Albert-Ludwigs-Universität Freiburg Albertstraße 25 79104 Freiburg Deutschland
| | - Lara G. Stühn
- Zentrum für Biosystemanalyse (ZBSA) Albert-Ludwigs-Universität Freiburg Habsburgerstraße 49 79104 Freiburg Deutschland
| | - Martin U. Betschart
- Institut für Pharmazeutische Wissenschaften Albert-Ludwigs-Universität Freiburg Albertstraße 25 79104 Freiburg Deutschland
| | - Matthias C. Huber
- Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies Albert-Ludwigs-Universität Freiburg Georges-Köhler-Allee 105 79104 Freiburg Deutschland
| | - Andreas Schreiber
- Zentrum für Biosystemanalyse (ZBSA) Albert-Ludwigs-Universität Freiburg Habsburgerstraße 49 79104 Freiburg Deutschland
| | - Stefan M. Schiller
- Zentrum für Biosystemanalyse (ZBSA) Albert-Ludwigs-Universität Freiburg Habsburgerstraße 49 79104 Freiburg Deutschland
- Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies Albert-Ludwigs-Universität Freiburg Georges-Köhler-Allee 105 79104 Freiburg Deutschland
- IMTEK – Institut für Mikrosystemtechnik Albert-Ludwigs-Universität Freiburg Georges-Köhler-Allee 103 79104 Freiburg Deutschland
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20
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Lüdeke S, Lohner P, Stühn LG, Betschart MU, Huber MC, Schreiber A, Schiller SM. Dynamic Structural Changes and Thermodynamics in Phase Separation Processes of an Intrinsically Disordered-Ordered Protein Model. Angew Chem Int Ed Engl 2022; 61:e202112738. [PMID: 34806270 PMCID: PMC9299898 DOI: 10.1002/anie.202112738] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/21/2021] [Indexed: 01/03/2023]
Abstract
Elastin-like proteins (ELPs) are biologically important proteins and models for intrinsically disordered proteins (IDPs) and dynamic structural transitions associated with coacervates and liquid-liquid phase transitions. However, the conformational status below and above coacervation temperature and its role in the phase separation process is still elusive. Employing matrix least-squares global Boltzmann fitting of the circular dichroism spectra of the ELPs (VPGVG)20 , (VPGVG)40 , and (VPGVG)60 , we found that coacervation occurs sharply when a certain number of repeat units has acquired β-turn conformation (in our sequence setting a threshold of approx. 20 repeat units). The character of the differential scattering of the coacervate suspensions indicated that this fraction of β-turn structure is still retained after polypeptide assembly. Such conformational thresholds may also have a role in other protein assembly processes with implications for the design of protein-based smart materials.
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Affiliation(s)
- Steffen Lüdeke
- Institut für Pharmazeutische und Biomedizinische Wissenschaften (IPBW)Johannes Gutenberg-Universität MainzStaudinger Weg 555128MainzGermany
- Institut für Pharmazeutische WissenschaftenAlbert-Ludwigs-Universität FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Philipp Lohner
- Institut für Pharmazeutische WissenschaftenAlbert-Ludwigs-Universität FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Lara G. Stühn
- Zentrum für Biosystemanalyse (ZBSA)Albert-Ludwigs-Universität FreiburgHabsburgerstrasse 4979104FreiburgGermany
| | - Martin U. Betschart
- Institut für Pharmazeutische WissenschaftenAlbert-Ludwigs-Universität FreiburgAlbertstrasse 2579104FreiburgGermany
| | - Matthias C. Huber
- Cluster of Excellence livMatS @ FIT—Freiburg Center for Interactive Materials and Bioinspired TechnologiesAlbert-Ludwigs-Universität FreiburgGeorges-Köhler-Allee 10579104FreiburgGermany
| | - Andreas Schreiber
- Zentrum für Biosystemanalyse (ZBSA)Albert-Ludwigs-Universität FreiburgHabsburgerstrasse 4979104FreiburgGermany
| | - Stefan M. Schiller
- Zentrum für Biosystemanalyse (ZBSA)Albert-Ludwigs-Universität FreiburgHabsburgerstrasse 4979104FreiburgGermany
- Cluster of Excellence livMatS @ FIT—Freiburg Center for Interactive Materials and Bioinspired TechnologiesAlbert-Ludwigs-Universität FreiburgGeorges-Köhler-Allee 10579104FreiburgGermany
- IMTEK—Institut für MikrosystemtechnikAlbert-Ludwigs-Universität FreiburgGeorges-Köhler-Allee 10379104FreiburgGermany
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21
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Wang K, Meng X, Guo Z. Elastin Structure, Synthesis, Regulatory Mechanism and Relationship With Cardiovascular Diseases. Front Cell Dev Biol 2021; 9:596702. [PMID: 34917605 PMCID: PMC8670233 DOI: 10.3389/fcell.2021.596702] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/29/2021] [Indexed: 11/30/2022] Open
Abstract
As the primary component of elastic fibers, elastin plays an important role in maintaining the elasticity and tensile ability of cardiovascular, pulmonary and many other tissues and organs. Studies have shown that elastin expression is regulated by a variety of molecules that have positive and negative regulatory effects. However, the specific mechanism is unclear. Moreover, elastin is reportedly involved in the development and progression of many cardiovascular diseases through changes in its expression and structural modifications once deposited in the extracellular matrix. This review article summarizes the role of elastin in myocardial ischemia-reperfusion, atherosclerosis, and atrial fibrillation, with emphasis on the potential molecular regulatory mechanisms.
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Affiliation(s)
- Keke Wang
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China
| | - Xiangguang Meng
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China
| | - Zhikun Guo
- Laboratory of Cardiovascular Disease and Drug Research, Zhengzhou No. 7 People's Hospital, Zhengzhou, China.,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, China
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22
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Suyama K, Mawatari M, Tatsubo D, Maeda I, Nose T. Simple Regulation of the Self-Assembling Ability by Multimerization of Elastin-Derived Peptide (FPGVG) n Using Nitrilotriacetic Acid as a Building Block. ACS OMEGA 2021; 6:5705-5716. [PMID: 33681610 PMCID: PMC7931394 DOI: 10.1021/acsomega.0c06140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/10/2021] [Indexed: 06/12/2023]
Abstract
Elastin comprises hydrophobic repetitive sequences, such as Val-Pro-Gly-Val-Gly, which are thought to be important for the temperature-dependent reversible self-association (coacervation). Elastin and elastin-like peptides (ELPs), owing to their characteristics, are expected to be applied as base materials for the development of new molecular tools, such as drug-delivery system carrier and metal-scavenging agents. Recently, several studies have been reported on the dendritic or branching ELP analogues. Although the topological difference of the branched ELPs compared to their linear counterparts may lead to useful properties in biomaterials, the available information regarding the effect of branching on molecular architecture and thermoresponsive behavior of ELPs is scarce. To obtain further insight into the thermoresponsive behavior of branched ELPs, novel ELPs, such as nitrilotriacetic acid (NTA)-(FPGVG) n conjugates, that is, (NTA)-Fn analogues possessing 1-3 (FPGVG) n (n = 3, 5) molecule(s), were synthesized and investigated for their coacervation ability. Turbidity measurement of the synthesized peptide analogues revealed that (NTA)-Fn analogues showed strong coacervation ability with various strengths. The transition temperature of NTA-Fn analogues exponentially decreased with increasing number of residues. In the circular dichroism measurements, trimerization did not alter the secondary structure of each peptide chain of the NTA-Fn analogue. In addition, it was also revealed that the NTA-Fn analogue possesses one peptide chain that could be utilized as metal-scavenging agents. The study findings indicated that multimerization of short ELPs via NTA is a useful and powerful strategy to obtain thermoresponsive molecules.
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Affiliation(s)
- Keitaro Suyama
- Laboratory
of Biomolecular Chemistry, Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Mika Mawatari
- Department
of Chemistry, Faculty and Graduate School
of Science, Fukuoka 819-0395, Japan
| | - Daiki Tatsubo
- Department
of Chemistry, Faculty and Graduate School
of Science, Fukuoka 819-0395, Japan
| | - Iori Maeda
- Department
of Physics and Information Technology, Kyushu
Institute of Technology, Iizuka, Fukuoka 820-8502, Japan
| | - Takeru Nose
- Laboratory
of Biomolecular Chemistry, Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
- Department
of Chemistry, Faculty and Graduate School
of Science, Fukuoka 819-0395, Japan
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23
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Chaweewannakorn C, Harada T, Nyasha MR, Koide M, Shikama Y, Hagiwara Y, Sasaki K, Kanzaki M, Tsuchiya M. Imaging of muscle activity-induced morphometric changes in fibril network of myofascia by two-photon microscopy. J Anat 2021; 238:515-526. [PMID: 33078407 PMCID: PMC7855069 DOI: 10.1111/joa.13339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 08/10/2020] [Accepted: 09/28/2020] [Indexed: 01/15/2023] Open
Abstract
Myofascia, deep fascia enveloping skeletal muscles, consists of abundant collagen and elastin fibres that play a key role in the transmission of muscular forces. However, understanding of biomechanical dynamics in myofascia remains very limited due to less quantitative and relevant approaches for in vivo examination. The purpose of this study was to evaluate the myofascial fibril structure by means of a quantitative approach using two-photon microscopy (TPM) imaging in combination with intravital staining of Evans blue dye (EBD), a far-red fluorescence dye, which potentially labels elastin. With focus on myofascia of the tibial anterior (TA) muscle, the fibril structure intravitally stained with EBD was observed at the depth level of collagen fibrous membrane above the muscle belly. The EBD-labelled fibril structure and orientation in myofascia indicated biomechanical responses to muscle activity and ageing. The orientation histograms of EBD-labelled fibrils were significantly modified depending upon the intensity of muscle activity and ageing. Moreover, the density of EBD-labelled fibrils in myofascia decreased with habitual exercise but increased with muscle immobilization or ageing. In particular, the diameter of EBD-labelled fibrils in aged mice was significantly higher. The orientation histograms of EBD-labelled fibrils after habitual exercise, muscle immobilization and ageing showed significant differences compared to control. Indeed, the histograms in bilateral TA myofascia of exercise mice made simple waveforms without multiple sharp peaks, whilst muscular immobilization or ageing significantly shifted a histogram with sustaining multiple sharp peaks. Therefore, the dynamics of fibre network with EBD fluorescence in response to the biomechanical environment possibly indicate functional tissue adaptation in myofascia. Furthermore, on the basis of the knowledge that neutrophil recruitment occurs locally in working muscles, we suggested the unique reconstruction mechanism involving neutrophilic elastase in the myofascial fibril structure. In addition to the elastolytic susceptibility of EBD-labelled fibrils, distinct immunoreactivities and activities of neutrophil elastase in the myofascia were observed after electric pulse stimulation-induced muscle contraction for 15 min. Our findings of EBD-labelled fibril dynamics in myofascia through quantitative approach using TPM imaging and intravital fluorescence labelling potentially brings new insights to examine muscle physiology and pathology.
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Affiliation(s)
- Chayanit Chaweewannakorn
- Division of Advanced Prosthetic DentistryGraduate School of DentistryTohoku UniversitySendaiJapan
- Graduate School of Biomedical EngineeringTohoku UniversitySendaiJapan
| | - Takashi Harada
- Department of Orthopaedic SurgeryGraduate School of MedicineTohoku UniversitySendaiJapan
| | - Mazvita R. Nyasha
- Graduate School of Biomedical EngineeringTohoku UniversitySendaiJapan
| | - Masashi Koide
- Department of Orthopaedic SurgeryGraduate School of MedicineTohoku UniversitySendaiJapan
| | - Yosuke Shikama
- Department of Oral Disease ResearchNational Center for Geriatrics and GerontologyObuJapan
| | - Yoshihiro Hagiwara
- Department of Orthopaedic SurgeryGraduate School of MedicineTohoku UniversitySendaiJapan
| | - Keiichi Sasaki
- Division of Advanced Prosthetic DentistryGraduate School of DentistryTohoku UniversitySendaiJapan
| | - Makoto Kanzaki
- Graduate School of Biomedical EngineeringTohoku UniversitySendaiJapan
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24
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Bergonzi C, d'Ayala GG, Elviri L, Laurienzo P, Bandiera A, Catanzano O. Alginate/human elastin-like polypeptide composite films with antioxidant properties for potential wound healing application. Int J Biol Macromol 2020; 164:586-596. [DOI: 10.1016/j.ijbiomac.2020.07.084] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/18/2020] [Accepted: 07/09/2020] [Indexed: 02/03/2023]
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25
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Kruk D, Masiewicz E, Wojciechowski M, Florek-Wojciechowska M, Broche LM, Lurie DJ. Slow dynamics of solid proteins - Nuclear magnetic resonance relaxometry versus dielectric spectroscopy. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2020; 314:106721. [PMID: 32276108 DOI: 10.1016/j.jmr.2020.106721] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/17/2020] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
1H Nuclear Magnetic Resonance (NMR) relaxometry and Dielectric Spectroscopy (DS) have been exploited to investigate the dynamics of solid proteins. The experiments have been carried out in the frequency range of about 10 kHz-40 MHz for NMR relaxometry and 10-2Hz-20 MHz for DS. The data sets have been analyzed in terms of theoretical models allowing for a comparison of the correlation times revealed by NMR relaxometry and DS. The 1H spin-lattice relaxation profiles have been decomposed into relaxation contributions associated with 1H-1H and 1H-14N dipole - dipole interactions. The 1H-1H relaxation contribution has been interpreted in terms of three dynamical processes of time scales of 10-6s, 10-7s and 10-8s. It has turned out that the correlation times do not differ much among proteins and they are only weakly dependent on temperature. The analysis of DS relaxation spectra has also revealed three motional processes characterized by correlation times that considerably depend on temperature in contrast to those obtained from the 1H relaxation. This finding suggest that for solid proteins there is a contribution to the 1H spin-lattice relaxation associated with a kind of motion that is not probed in DS as it does not lead to a reorientation of the electric dipole moment.
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Affiliation(s)
- Danuta Kruk
- Faculty of Mathematics and Computer Science, University of Warmia & Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland.
| | - Elzbieta Masiewicz
- Faculty of Mathematics and Computer Science, University of Warmia & Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland
| | - Milosz Wojciechowski
- Faculty of Mathematics and Computer Science, University of Warmia & Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland
| | | | - Lionel M Broche
- Bio-Medical Physics, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, Scotland, United Kingdom
| | - David J Lurie
- Bio-Medical Physics, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, Scotland, United Kingdom
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Gourgas O, Cole GB, Muiznieks LD, Sharpe S, Cerruti M. Effect of the Ionic Concentration of Simulated Body Fluid on the Minerals Formed on Cross-Linked Elastin-Like Polypeptide Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:15364-15375. [PMID: 31729882 DOI: 10.1021/acs.langmuir.9b02542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Deposition of calcium phosphate minerals on the elastin-rich medial layers of arteries can cause severe cardiovascular complications. There are no available treatments for medial calcification, and the mechanism of mineral formation on elastin layers is still unknown. We recently developed an in vitro model of medial calcification using cross-linked elastin-like polypeptide (ELP) membranes immersed in simulated body fluid (SBF). While mineral phase evolution matched that observed in a mouse model of medial calcification, the long incubation required was a practical limitation of this model. Using higher SBF ion concentrations could be a solution to speed up mineral deposition, but its effect on the mineralization process is still not well understood. Here we analyze mineral formation and phase transformation on ELP membranes immersed in high concentration SBF. We show that while mineral deposition is significantly accelerated in these conditions, the chemistry and morphology of the minerals deposited on the ELP membranes and the overall mineralization process are strongly affected. Overall, this work suggests that while the use of low concentration SBF in this in vitro model is more appropriate to study medial calcification associated with the loss of calcification inhibitors, higher SBF ion concentration may be more relevant to study medial calcification in patients with life-threatening diseases such as chronic kidney disease.
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Affiliation(s)
- Ophélie Gourgas
- Department of Mining and Materials Engineering , McGill University , Montreal , Quebec H3A 0C5 , Canada
| | - Gregory B Cole
- Molecular Medicine , Hospital for Sick Children , Toronto , Ontario M5G 0A4 , Canada
- Department of Biochemistry , University of Toronto , Toronto , Ontario M5S 1A8 , Canada
| | - Lisa D Muiznieks
- Molecular Medicine , Hospital for Sick Children , Toronto , Ontario M5G 0A4 , Canada
| | - Simon Sharpe
- Molecular Medicine , Hospital for Sick Children , Toronto , Ontario M5G 0A4 , Canada
- Department of Biochemistry , University of Toronto , Toronto , Ontario M5S 1A8 , Canada
| | - Marta Cerruti
- Department of Mining and Materials Engineering , McGill University , Montreal , Quebec H3A 0C5 , Canada
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Kruk D, Masiewicz E, Borkowska AM, Rochowski P, Fries PH, Broche LM, Lurie DJ. Dynamics of Solid Proteins by Means of Nuclear Magnetic Resonance Relaxometry. Biomolecules 2019; 9:E652. [PMID: 31731514 PMCID: PMC6920843 DOI: 10.3390/biom9110652] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/16/2019] [Accepted: 10/19/2019] [Indexed: 01/21/2023] Open
Abstract
1H Nuclear magnetic resonance (NMR) relaxometry was exploited to investigate the dynamics of solid proteins. The relaxation experiments were performed at 37 °C over a broad frequency range, from approximately 10 kHz to 40 MHz. Two relaxation contributions to the overall 1H spin-lattice relaxation were revealed; they were associated with 1H-1H and 1H-14N magnetic dipole-dipole interactions, respectively. The 1H-1H relaxation contribution was interpreted in terms of three dynamical processes occurring on timescales of 10-6 s, 10-7 s, and 10-8 s, respectively. The 1H-14N relaxation contribution shows quadrupole relaxation enhancement effects. A thorough analysis of the data was performed revealing similarities in the protein dynamics, despite their different structures. Among several parameters characterizing the protein dynamics and structure (e.g., electric field gradient tensor at the position of 14N nuclei), the orientation of the 1H-14N dipole-dipole axis, with respect to the principal axis system of the electric field gradient, was determined, showing that, for lysozyme, it was considerably different than for the other proteins. Moreover, the validity range of a closed form expression describing the 1H-14N relaxation contribution was determined by a comparison with a general approach based on the stochastic Liouville equation.
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Affiliation(s)
- Danuta Kruk
- Faculty of Mathematics and Computer Science, University of Warmia and Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland; (E.M.); (A.M.B.); (P.R.)
| | - Elzbieta Masiewicz
- Faculty of Mathematics and Computer Science, University of Warmia and Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland; (E.M.); (A.M.B.); (P.R.)
| | - Anna M. Borkowska
- Faculty of Mathematics and Computer Science, University of Warmia and Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland; (E.M.); (A.M.B.); (P.R.)
| | - Pawel Rochowski
- Faculty of Mathematics and Computer Science, University of Warmia and Mazury in Olsztyn, Słoneczna 54, 10-710 Olsztyn, Poland; (E.M.); (A.M.B.); (P.R.)
| | - Pascal H. Fries
- Laboratoire de Reconnaissance Ionique et Chimie de Coordination, Service de Chimie Inorganique et Biologique (UMR E-3 CEA/UJF), CEA-Grenoble, INAC, 17 rue des Martyrs, CEDEX 09, 38054 Grenoble, France;
| | - Lionel M. Broche
- Bio-Medical Physics, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD, UK; (L.M.B.); (D.J.L.)
| | - David J. Lurie
- Bio-Medical Physics, School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Foresterhill, Aberdeen, Scotland AB25 2ZD, UK; (L.M.B.); (D.J.L.)
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Gourgas O, Muiznieks LD, Bello DG, Nanci A, Sharpe S, Cerruti M. Cross-Linked Elastin-like Polypeptide Membranes as a Model for Medial Arterial Calcification. Biomacromolecules 2019; 20:2625-2636. [DOI: 10.1021/acs.biomac.9b00417] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Ophélie Gourgas
- Department of Mining and Materials Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
| | - Lisa D. Muiznieks
- Molecular Medicine, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
| | - Dainelys Guadarrama Bello
- Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montreal, Quebec H3C 3J7, Canada
| | - Antonio Nanci
- Department of Stomatology, Faculty of Dental Medicine, Université de Montréal, Montreal, Quebec H3C 3J7, Canada
- Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montreal, Quebec H3C 3J7, Canada
| | - Simon Sharpe
- Molecular Medicine, Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Biochemistry, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
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Tarakanova A, Ozsvar J, Weiss A, Buehler M. Coarse-grained model of tropoelastin self-assembly into nascent fibrils. Mater Today Bio 2019; 3:100016. [PMID: 32159149 PMCID: PMC7061556 DOI: 10.1016/j.mtbio.2019.100016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/06/2019] [Accepted: 06/11/2019] [Indexed: 12/30/2022] Open
Abstract
Elastin is the dominant building block of elastic fibers that impart structural integrity and elasticity to a range of important tissues, including the lungs, blood vessels, and skin. The elastic fiber assembly process begins with a coacervation stage where tropoelastin monomers reversibly self-assemble into coacervate aggregates that consist of multiple molecules. In this paper, an atomistically based coarse-grained model of tropoelastin assembly is developed. Using the previously determined atomistic structure of tropoelastin, the precursor molecule to elastic fibers, as the basis for coarse-graining, the atomistic model is mapped to a MARTINI-based coarse-grained framework to account for chemical details of protein-protein interactions, coupled to an elastic network model to stabilize the structure. We find that self-assembly of monomers generates up to ∼70 nm of dense aggregates that are distinct at different temperatures, displaying high temperature sensitivity. Resulting assembled structures exhibit a combination of fibrillar and globular substructures within the bulk aggregates. The results suggest that the coalescence of tropoelastin assemblies into higher order structures may be reinforced in the initial stages of coacervation by directed assembly, supporting the experimentally observed presence of heterogeneous cross-linking. Self-assembly of tropoelastin is driven by interactions of specific hydrophobic domains and the reordering of water molecules in the system. Domain pair orientation analysis throughout the self-assembly process at different temperatures suggests coacervation is a driving force to orient domains for heterogeneous downstream cross-linking. The model provides a framework to characterize macromolecular self-assembly for elastin, and the formulation could easily be adapted to similar assembly systems.
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Affiliation(s)
- A. Tarakanova
- Laboratory for Atomistic and Molecular Mechanics, Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Mechanical Engineering and Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - J. Ozsvar
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - A.S. Weiss
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
- Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
- Bosch Institute, The University of Sydney, Sydney, NSW, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, Australia
| | - M.J. Buehler
- Laboratory for Atomistic and Molecular Mechanics, Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
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Alterations of elastin in female reproductive tissues arising from advancing parity. Arch Biochem Biophys 2019; 666:127-137. [PMID: 30914253 DOI: 10.1016/j.abb.2019.03.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 03/01/2019] [Accepted: 03/16/2019] [Indexed: 11/22/2022]
Abstract
Female reproductive tissues undergo significant alterations during pregnancy, which may compromise the structural integrity of extracellular matrix proteins. Here, we report on modifications of elastic fibers, which are primarily composed of elastin and believed to provide a scaffold to the reproductive tissues, due to parity and parturition. Elastic fibers from the upper vaginal wall of virgin Sprague Dawley rats were investigated and compared to rats having undergone one, three, or more than five pregnancies. Optical microscopy was used to study fiber level changes. Mass spectrometry, 13C and 2H NMR, was applied to study alterations of elastin from the uterine horns. Spectrophotometry was used to measure matrix metalloproteinases-2,9 and tissue inhibitor of metalloproteinase-1 concentration changes in the uterine horns. Elastic fibers were found to exhibit increase in tortuosity and fragmentation with increased pregnancies. Surprisingly, secondary structure, dynamics, and crosslinking of elastin from multiparous cohorts appear similar to healthy mammalian tissues, despite fragmentation observed at the fiber level. In contrast, elastic fibers from virgin and single pregnancy cohorts are less fragmented and comprised of elastin exhibiting structure and dynamics distinguishable from multiparous groups, with reduced crosslinking. These alterations were correlated to matrix metalloproteinases-2,9 and tissue inhibitor of metalloproteinase-1 concentrations. This work indicates that fiber level alterations resulting from pregnancy and/or parturition, such as fragmentation, rather than secondary structure (e.g. elastin crosslinking density), appear to govern scaffolding characteristics in the female reproductive tissues.
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Liu R, Hudalla GA. Using Self-Assembling Peptides to Integrate Biomolecules into Functional Supramolecular Biomaterials. Molecules 2019; 24:E1450. [PMID: 31013712 PMCID: PMC6514692 DOI: 10.3390/molecules24081450] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 03/27/2019] [Accepted: 04/03/2019] [Indexed: 02/07/2023] Open
Abstract
Throughout nature, self-assembly gives rise to functional supramolecular biomaterials that can perform complex tasks with extraordinary efficiency and specificity. Inspired by these examples, self-assembly is increasingly used to fabricate synthetic supramolecular biomaterials for diverse applications in biomedicine and biotechnology. Peptides are particularly attractive as building blocks for these materials because they are based on naturally derived amino acids that are biocompatible and biodegradable; they can be synthesized using scalable and cost-effective methods, and their sequence can be tailored to encode formation of diverse architectures. To endow synthetic supramolecular biomaterials with functional capabilities, it is now commonplace to conjugate self-assembling building blocks to molecules having a desired functional property, such as selective recognition of a cell surface receptor or soluble protein, antigenicity, or enzymatic activity. This review surveys recent advances in using self-assembling peptides as handles to incorporate biologically active molecules into supramolecular biomaterials. Particular emphasis is placed on examples of functional nanofibers, nanovesicles, and other nano-scale structures that are fabricated by linking self-assembling peptides to proteins and carbohydrates. Collectively, this review highlights the enormous potential of these approaches to create supramolecular biomaterials with sophisticated functional capabilities that can be finely tuned to meet the needs of downstream applications.
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Affiliation(s)
- Renjie Liu
- J. Crayton Pruitt Family Department of Biomedical Engineering, Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA.
| | - Gregory A Hudalla
- J. Crayton Pruitt Family Department of Biomedical Engineering, Wertheim College of Engineering, University of Florida, Gainesville, FL 32611, USA.
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32
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Elastic fibers and biomechanics of the aorta: Insights from mouse studies. Matrix Biol 2019; 85-86:160-172. [PMID: 30880160 DOI: 10.1016/j.matbio.2019.03.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 02/28/2019] [Accepted: 03/04/2019] [Indexed: 12/14/2022]
Abstract
Elastic fibers are major components of the extracellular matrix (ECM) in the aorta and support a life-long cycling of stretch and recoil. Elastic fibers are formed from mid-gestation throughout early postnatal development and the synthesis is regulated at multiple steps, including coacervation, deposition, cross-linking, and assembly of insoluble elastin onto microfibril scaffolds. To date, more than 30 molecules have been shown to associate with elastic fibers and some of them play a critical role in the formation and maintenance of elastic fibers in vivo. Because the aorta is subjected to high pressure from the left ventricle, elasticity of the aorta provides the Windkessel effect and maintains stable blood flow to distal organs throughout the cardiac cycle. Disruption of elastic fibers due to congenital defects, inflammation, or aging dramatically reduces aortic elasticity and affects overall vessel mechanics. Another important component in the aorta is the vascular smooth muscle cells (SMCs). Elastic fibers and SMCs alternate to create a highly organized medial layer within the aortic wall. The physical connections between elastic fibers and SMCs form the elastin-contractile units and maintain cytoskeletal organization and proper responses of SMCs to mechanical strain. In this review, we revisit the components of elastic fibers and their roles in elastogenesis and how a loss of each component affects biomechanics of the aorta. Finally, we discuss the significance of elastin-contractile units in the maintenance of SMC function based on knowledge obtained from mouse models of human disease.
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Klass SH, Smith MJ, Fiala TA, Lee JP, Omole AO, Han BG, Downing KH, Kumar S, Francis MB. Self-Assembling Micelles Based on an Intrinsically Disordered Protein Domain. J Am Chem Soc 2019; 141:4291-4299. [DOI: 10.1021/jacs.8b10688] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Sarah H. Klass
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Matthew J. Smith
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Tahoe A. Fiala
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Jess P. Lee
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Anthony O. Omole
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | | | | | - Sanjay Kumar
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
| | - Matthew B. Francis
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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Muiznieks LD, Sharpe S, Pomès R, Keeley FW. Role of Liquid–Liquid Phase Separation in Assembly of Elastin and Other Extracellular Matrix Proteins. J Mol Biol 2018; 430:4741-4753. [DOI: 10.1016/j.jmb.2018.06.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/29/2018] [Accepted: 06/01/2018] [Indexed: 10/14/2022]
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35
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Advances in Understanding Stimulus-Responsive Phase Behavior of Intrinsically Disordered Protein Polymers. J Mol Biol 2018; 430:4619-4635. [DOI: 10.1016/j.jmb.2018.06.031] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/12/2018] [Accepted: 06/18/2018] [Indexed: 12/20/2022]
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Tarakanova A, Yeo GC, Baldock C, Weiss AS, Buehler MJ. Tropoelastin is a Flexible Molecule that Retains its Canonical Shape. Macromol Biosci 2018; 19:e1800250. [DOI: 10.1002/mabi.201800250] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/03/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Anna Tarakanova
- Laboratory for Atomistic and Molecular Mechanics Department of Civil and Environmental Engineering Massachusetts Institute of Technology 02139 Cambridge MA USA
| | - Giselle C. Yeo
- School of Life and Environmental Sciences The University of Sydney 2006 Sydney NSW Australia
- Charles Perkins Centre The University of Sydney 2006 Sydney NSW Australia
| | - Clair Baldock
- Wellcome Trust Centre for Cell‐Matrix Research Division of Cell Matrix Biology and Regenerative Medicine School of Biological Sciences Manchester Academic Health Science Centre The University of Manchester M13 9PL Manchester UK
| | - Anthony S. Weiss
- School of Life and Environmental Sciences The University of Sydney 2006 Sydney NSW Australia
- Charles Perkins Centre The University of Sydney 2006 Sydney NSW Australia
- Bosch Institute The University of Sydney 2006 Sydney NSW Australia
| | - Markus J. Buehler
- Laboratory for Atomistic and Molecular Mechanics Department of Civil and Environmental Engineering Massachusetts Institute of Technology 02139 Cambridge MA USA
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Wang X, Ali MS, Lacerda CMR. A Three-Dimensional Collagen-Elastin Scaffold for Heart Valve Tissue Engineering. Bioengineering (Basel) 2018; 5:E69. [PMID: 30154331 PMCID: PMC6165002 DOI: 10.3390/bioengineering5030069] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 08/10/2018] [Accepted: 08/24/2018] [Indexed: 12/31/2022] Open
Abstract
Since most of the body's extracellular matrix (ECM) is composed of collagen and elastin, we believe the choice of these materials is key for the future and promise of tissue engineering. Once it is known how elastin content of ECM guides cellular behavior (in 2D or 3D), one will be able to harness the power of collagen-elastin microenvironments to design and engineer stimuli-responsive tissues. Moreover, the implementation of such matrices to promote endothelial-mesenchymal transition of primary endothelial cells constitutes a powerful tool to engineer 3D tissues. Here, we design a 3D collagen-elastin scaffold to mimic the native ECM of heart valves, by providing the strength of collagen layers, as well as elasticity. Valve interstitial cells (VICs) were encapsulated in the collagen-elastin hydrogels and valve endothelial cells (VECs) cultured onto the surface to create an in vitro 3D VEC-VIC co-culture. Over a seven-day period, VICs had stable expression levels of integrin β1 and F-actin and continuously proliferated, while cell morphology changed to more elongated. VECs maintained endothelial phenotype up to day five, as indicated by low expression of F-actin and integrin β1, while transformed VECs accounted for less than 7% of the total VECs in culture. On day seven, over 20% VECs were transformed to mesenchymal phenotype, indicated by increased actin filaments and higher expression of integrin β1. These findings demonstrate that our 3D collagen-elastin scaffolds provided a novel tool to study cell-cell or cell-matrix interactions in vitro, promoting advances in the current knowledge of valvular endothelial cell mesenchymal transition.
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Affiliation(s)
- Xinmei Wang
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
| | - Mir S Ali
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
| | - Carla M R Lacerda
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
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Radke D, Jia W, Sharma D, Fena K, Wang G, Goldman J, Zhao F. Tissue Engineering at the Blood-Contacting Surface: A Review of Challenges and Strategies in Vascular Graft Development. Adv Healthc Mater 2018; 7:e1701461. [PMID: 29732735 PMCID: PMC6105365 DOI: 10.1002/adhm.201701461] [Citation(s) in RCA: 136] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/09/2018] [Indexed: 12/14/2022]
Abstract
Tissue engineered vascular grafts (TEVGs) are beginning to achieve clinical success and hold promise as a source of grafting material when donor grafts are unsuitable or unavailable. Significant technological advances have generated small-diameter TEVGs that are mechanically stable and promote functional remodeling by regenerating host cells. However, developing a biocompatible blood-contacting surface remains a major challenge. The TEVG luminal surface must avoid negative inflammatory responses and thrombogenesis immediately upon implantation and promote endothelialization. The surface has therefore become a primary focus for research and development efforts. The current state of TEVGs is herein reviewed with an emphasis on the blood-contacting surface. General vascular physiology and developmental challenges and strategies are briefly described, followed by an overview of the materials currently employed in TEVGs. The use of biodegradable materials and stem cells requires careful control of graft composition, degradation behavior, and cell recruitment ability to ensure that a physiologically relevant vessel structure is ultimately achieved. The establishment of a stable monolayer of endothelial cells and the quiescence of smooth muscle cells are critical to the maintenance of patency. Several strategies to modify blood-contacting surfaces to resist thrombosis and control cellular recruitment are reviewed, including coatings of biomimetic peptides and heparin.
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Affiliation(s)
- Daniel Radke
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Wenkai Jia
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Dhavan Sharma
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Kemin Fena
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Guifang Wang
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Jeremy Goldman
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
| | - Feng Zhao
- Department of Biomedical Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, U.S
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Abstract
Nanomedicine is a discipline that applies nanoscience and nanotechnology principles to the prevention, diagnosis, and treatment of human diseases. Self-assembly of molecular components is becoming a common strategy in the design and syntheses of nanomaterials for biomedical applications. In both natural and synthetic self-assembled nanostructures, molecular cooperativity is emerging as an important hallmark. In many cases, interplay of many types of noncovalent interactions leads to dynamic nanosystems with emergent properties where the whole is bigger than the sum of the parts. In this review, we provide a comprehensive analysis of the cooperativity principles in multiple self-assembled nanostructures. We discuss the molecular origin and quantitative modeling of cooperative behaviors. In selected systems, we describe the examples on how to leverage molecular cooperativity to design nanomedicine with improved diagnostic precision and therapeutic efficacy in medicine.
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Affiliation(s)
- Yang Li
- Department of Pharmacology, Simmons Comprehensive Cancer Center , UT Southwestern Medical Center , 5323 Harry Hines Boulevard , Dallas , Texas 75390 , United States
| | - Yiguang Wang
- Department of Pharmacology, Simmons Comprehensive Cancer Center , UT Southwestern Medical Center , 5323 Harry Hines Boulevard , Dallas , Texas 75390 , United States.,Beijing Key Laboratory of Molecular Pharmaceutics and State Key Laboratory of Natural and Biomimetic Drugs , Peking University , Beijing , 100191 , China
| | - Gang Huang
- Department of Pharmacology, Simmons Comprehensive Cancer Center , UT Southwestern Medical Center , 5323 Harry Hines Boulevard , Dallas , Texas 75390 , United States
| | - Jinming Gao
- Department of Pharmacology, Simmons Comprehensive Cancer Center , UT Southwestern Medical Center , 5323 Harry Hines Boulevard , Dallas , Texas 75390 , United States
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VALENZUELA CRISTIAND, WAGNER WILLIL, BENNETT ROBERTD, YSASI ALEXANDRAB, BELLE JANEILM, MOLTER KARIN, STRAUB BEATEK, WANG DONG, CHEN ZI, ACKERMANN MAXIMILIAN, TSUDA AKIRA, MENTZER STEVENJ. Extracellular Assembly of the Elastin Cable Line Element in the Developing Lung. Anat Rec (Hoboken) 2017; 300:1670-1679. [PMID: 28380679 PMCID: PMC6315300 DOI: 10.1002/ar.23603] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 12/19/2016] [Accepted: 12/27/2016] [Indexed: 01/15/2023]
Abstract
In the normal lung, a dominant structural element is an elastic "line element" that originates in the central bronchi and inserts into the distal airspaces. Despite its structural importance, the process that leads to development of the cable line element is unknown. To investigate the morphologic events contributing to its development, we used optical clearing methods to examine the postnatal rat lung. An unexpected finding was numerous spheres, with a median diameter of 1-2 µm, within the primary septa of the rat lung. The spheres demonstrated green autofluorescence, selective fluorescent eosin staining, reactivity with carboxyfluorescein succinimidyl ester, and specific labeling with anti-tropoelastin monoclonal antibody-findings consistent with tropoelastin. The sphere number peaked on rat postnatal day 4 (P4) and were rare by P14. The disappearance of the spheres was coincident with the development of the cable line element in the rat lung. Transmission electron microscopy demonstrated no consistent association between parenchymal cells and sphere alignment. In contrast, the alignment of tropoelastin spheres appeared to be the direct result of interactions of scaffold proteins including collagen fibers and fibrillin microfibrils. We conclude that the spatial organization of the cable line element appears to be independent of tropoelastin deposition, but dependent on crosslinking to scaffold proteins within the primary septa. Anat Rec, 300:1670-1679, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- CRISTIAN D. VALENZUELA
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA
| | - WILLI L. WAGNER
- Institute of Functional and Clinical Anatomy, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - ROBERT D. BENNETT
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA
| | - ALEXANDRA B. YSASI
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA
| | - JANEIL M. BELLE
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA
| | - KARIN MOLTER
- Institute of Pathology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - BEATEK STRAUB
- Institute of Pathology, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - DONG WANG
- Thayer School of Engineering, Dartmouth College, Hanover, NH
| | - ZI CHEN
- Thayer School of Engineering, Dartmouth College, Hanover, NH
| | - MAXIMILIAN ACKERMANN
- Institute of Functional and Clinical Anatomy, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
| | - AKIRA TSUDA
- Molecular and Integrative Physiological Sciences, Harvard School of Public Health, Boston, MA
| | - STEVEN J. MENTZER
- Laboratory of Adaptive and Regenerative Biology, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA
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41
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Hollingshead S, Lin CY, Liu JC. Designing Smart Materials with Recombinant Proteins. Macromol Biosci 2017; 17:10.1002/mabi.201600554. [PMID: 28337848 PMCID: PMC6020822 DOI: 10.1002/mabi.201600554] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/08/2017] [Indexed: 01/07/2023]
Abstract
Recombinant protein design allows modular protein domains with different functionalities and responsive behaviors to be easily combined. Inclusion of these protein domains can enable recombinant proteins to have complex responses to their environment (e.g., temperature-triggered aggregation followed by enzyme-mediated cleavage for drug delivery or pH-triggered conformational change and self-assembly leading to structural stabilization by adjacent complementary residues). These "smart" behaviors can be tuned by amino acid identity and sequence, chemical modifications, and addition of other components. A wide variety of domains and peptides have smart behavior. This review focuses on protein designs for self-assembly or conformational changes due to stimuli such as shifts in temperature or pH.
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Affiliation(s)
- Sydney Hollingshead
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
| | - Charng-Yu Lin
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907-2032, USA
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42
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Reichheld SE, Muiznieks LD, Keeley FW, Sharpe S. Direct observation of structure and dynamics during phase separation of an elastomeric protein. Proc Natl Acad Sci U S A 2017; 114:E4408-E4415. [PMID: 28507126 PMCID: PMC5465911 DOI: 10.1073/pnas.1701877114] [Citation(s) in RCA: 173] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Despite its growing importance in biology and in biomaterials development, liquid-liquid phase separation of proteins remains poorly understood. In particular, the molecular mechanisms underlying simple coacervation of proteins, such as the extracellular matrix protein elastin, have not been reported. Coacervation of the elastin monomer, tropoelastin, in response to heat and salt is a critical step in the assembly of elastic fibers in vivo, preceding chemical cross-linking. Elastin-like polypeptides (ELPs) derived from the tropoelastin sequence have been shown to undergo a similar phase separation, allowing formation of biomaterials that closely mimic the material properties of native elastin. We have used NMR spectroscopy to obtain site-specific structure and dynamics of a self-assembling elastin-like polypeptide along its entire self-assembly pathway, from monomer through coacervation and into a cross-linked elastic material. Our data reveal that elastin-like hydrophobic domains are composed of transient β-turns in a highly dynamic and disordered chain, and that this disorder is retained both after phase separation and in elastic materials. Cross-linking domains are also highly disordered in monomeric and coacervated ELP3 and form stable helices only after chemical cross-linking. Detailed structural analysis combined with dynamic measurements from NMR relaxation and diffusion data provides direct evidence for an entropy-driven mechanism of simple coacervation of a protein in which transient and nonspecific intermolecular hydrophobic contacts are formed by disordered chains, whereas bulk water and salt are excluded.
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Affiliation(s)
- Sean E Reichheld
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada, M5G 0A4
| | - Lisa D Muiznieks
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada, M5G 0A4
| | - Fred W Keeley
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada, M5G 0A4
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada, M5S 1A8
| | - Simon Sharpe
- Molecular Medicine Program, The Hospital for Sick Children, Toronto, ON, Canada, M5G 0A4;
- Department of Biochemistry, University of Toronto, Toronto, ON, Canada, M5S 1A8
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43
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Dhital B, Durlik P, Rathod P, Gul-E-Noor F, Wang Z, Sun C, Chang EJ, Itin B, Boutis GS. Ultraviolet radiation reduces desmosine cross-links in elastin. Biochem Biophys Rep 2017; 10:172-177. [PMID: 28955744 PMCID: PMC5614723 DOI: 10.1016/j.bbrep.2017.04.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 03/16/2017] [Accepted: 04/03/2017] [Indexed: 12/02/2022] Open
Abstract
Elastic fibers, a major component of the extracellular matrix of the skin, are often exposed to ultraviolet (UV) radiation throughout mammalian life. We report on an in vitro study of the alterations in bovine nuchal ligament elastic fibers resulting from continuous UV-A exposure by the use of transmission electron microscopy (TEM), histology, mass spectrometry, and solid state 13C NMR methodologies. TEM images reveal distinct cracks in elastic fibers as a result of UV-A irradiation and histological measurements show a disruption in the regular array of elastic fibers present in unirradiated samples; elastic fibers appear shorter, highly fragmented, and thinner after UV-A treatment. Magic angle spinning 13C NMR was applied to investigate possible secondary structural changes or dynamics in the irradiated samples; our spectra reveal no differences between UV-A irradiated and non-irradiated samples. Lastly, MALDI mass spectrometry indicates that the concentration of desmosine, which forms cross-links in elastin, is observed to decrease by 11 % following 9 days of continuous UV-A irradiation, in comparison to unirradiated samples. These alterations presumably play a significant role in the loss of elasticity observed in UV exposed skin. UV-A exposure results in cracks in elastic fibers as observed by TEM. Cross-linking of elastin is observed to decrease following UV-A exposure. UV-A exposed fibers appear shorter and fragmented in comparison to controls. 13C MAS NMR spectra of UV irradiated samples appear similar to controls.
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Affiliation(s)
- Basant Dhital
- The Graduate Center of The City University of New York, Department of Physics, New York, New York, USA
| | - Philip Durlik
- Department of Physics, Brooklyn College of The City University of New York, Brooklyn, New York, USA
| | - Pratikkumar Rathod
- The Graduate Center of The City University of New York, Department of Chemistry, New York, New York, USA
- York College of The City University of New York, Department of Chemistry, Jamaica, New York, USA
| | - Farhana Gul-E-Noor
- Department of Physics, Brooklyn College of The City University of New York, Brooklyn, New York, USA
| | - Zhixiao Wang
- College of Physical Science and Technology, Dalian University, Dalian, China
| | - Cheng Sun
- College of Physical Science and Technology, Dalian University, Dalian, China
| | - Emmanuel J. Chang
- The Graduate Center of The City University of New York, Department of Chemistry, New York, New York, USA
- York College of The City University of New York, Department of Chemistry, Jamaica, New York, USA
- The Graduate Center of The City University of New York, Department of Biochemistry, New York, New York, USA
| | - Boris Itin
- New York Structural Biology Center, 89 Convent Ave, New York, NY, USA
| | - Gregory S. Boutis
- The Graduate Center of The City University of New York, Department of Physics, New York, New York, USA
- Department of Physics, Brooklyn College of The City University of New York, Brooklyn, New York, USA
- Corresponding author at: The Graduate Center of The City University of New York, Department of Physics, New York, New York, USA.
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Mahara A, Kiick KL, Yamaoka T. In vivo
guided vascular regeneration with a non‐porous elastin‐like polypeptide hydrogel tubular scaffold. J Biomed Mater Res A 2017; 105:1746-1755. [DOI: 10.1002/jbm.a.36018] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 06/13/2016] [Accepted: 01/23/2017] [Indexed: 01/26/2023]
Affiliation(s)
- Atsushi Mahara
- Department of Biomedical EngineeringNational Cerebral and Cardiovascular Center Research Institute, Fujishiro‐dai SuitaOsaka565‐8565 Japan
| | - Kristi L. Kiick
- Department of Materials Science and EngineeringUniversity of Delaware201 DuPont HallNewark Delaware19716‐1501
| | - Tetsuji Yamaoka
- Department of Biomedical EngineeringNational Cerebral and Cardiovascular Center Research Institute, Fujishiro‐dai SuitaOsaka565‐8565 Japan
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45
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Pawar N, Kaushik P, Bohidar HB. Hydrophobic hydration and anomalous diffusion of elastin in an ethanolic solution. Phys Chem Chem Phys 2017; 19:13994-14000. [DOI: 10.1039/c7cp01384a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pictorial depiction of solvation of elastin molecule in aqueous and ethanol solutions. Polymer chain collapse in water and swelling in binary solvent.
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Affiliation(s)
- Nisha Pawar
- Department of Physics, Indian Institute of Technology Kharagpur
- India
| | - Priyanka Kaushik
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi-110067
- India
| | - H. B. Bohidar
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi-110067
- India
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46
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Miranda-Nieves D, Chaikof EL. Collagen and Elastin Biomaterials for the Fabrication of Engineered Living Tissues. ACS Biomater Sci Eng 2016; 3:694-711. [PMID: 33440491 DOI: 10.1021/acsbiomaterials.6b00250] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Collagen and elastin represent the two most predominant proteins in the body and are responsible for modulating important biological and mechanical properties. Thus, the focus of this review is the use of collagen and elastin as biomaterials for the fabrication of living tissues. Considering the importance of both biomaterials, we first propose the notion that many tissues in the human body represent a reinforced composite of collagen and elastin. In the rest of the review, collagen and elastin biosynthesis and biophysics, as well as molecular sources and biomaterial fabrication methodologies, including casting, fiber spinning, and bioprinting, are discussed. Finally, we summarize the current attempts to fabricate a subset of living tissues and, based on biochemical and biomechanical considerations, suggest that future tissue-engineering efforts consider direct incorporation of collagen and elastin biomaterials.
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Affiliation(s)
- David Miranda-Nieves
- Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, United States
| | - Elliot L Chaikof
- Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States.,Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, United States.,Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02215, United States
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Bochicchio B, Bracalello A, Pepe A. Characterization of a Crosslinked Elastomeric-Protein Inspired Polypeptide. Chirality 2016; 28:606-11. [PMID: 27403636 DOI: 10.1002/chir.22619] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 06/07/2016] [Accepted: 06/07/2016] [Indexed: 11/10/2022]
Abstract
Materials inspired by natural proteins have a great appeal in tissue engineering for their biocompatibility and similarity to extracellular matrix (ECM). Chimeric polypeptides inspired by elastomeric proteins such as silk, elastin, and collagen are of outstanding interest in the field. A recombinant polypeptide constituted of three different blocks, each of them having sequences derived from elastin, resilin, and collagen proteins, was demonstrated to be a good candidate as biomaterial for its self-assembling characteristics and biocompatibility. Herein, taking advantage of the primary amine functionalities present in the linear polypeptide, we crosslinked it with 1,6-hexamethylene-diisocyanate (HMDI). The characterization of the obtained polypeptide was realized by CD spectroscopy, AFM, and SEM microscopies. The obtained results, although not conclusive, demonstrate that the crosslinked polypeptide gave rise to porous networks, thin nanowires, and films not observable for the linear polypeptide. Chirality 28:606-611, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Brigida Bochicchio
- Laboratory of Protein-Inspired Materials, Department of Science, University of Basilicata, Potenza, Italy
| | - Angelo Bracalello
- Laboratory of Protein-Inspired Materials, Department of Science, University of Basilicata, Potenza, Italy
| | - Antonietta Pepe
- Laboratory of Protein-Inspired Materials, Department of Science, University of Basilicata, Potenza, Italy
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48
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Heterogeneity of Scaffold Biomaterials in Tissue Engineering. MATERIALS 2016; 9:ma9050332. [PMID: 28773457 PMCID: PMC5503070 DOI: 10.3390/ma9050332] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Revised: 04/23/2016] [Accepted: 04/26/2016] [Indexed: 12/20/2022]
Abstract
Tissue engineering (TE) offers a potential solution for the shortage of transplantable organs and the need for novel methods of tissue repair. Methods of TE have advanced significantly in recent years, but there are challenges to using engineered tissues and organs including but not limited to: biocompatibility, immunogenicity, biodegradation, and toxicity. Analysis of biomaterials used as scaffolds may, however, elucidate how TE can be enhanced. Ideally, biomaterials should closely mimic the characteristics of desired organ, their function and their in vivo environments. A review of biomaterials used in TE highlighted natural polymers, synthetic polymers, and decellularized organs as sources of scaffolding. Studies of discarded organs supported that decellularization offers a remedy to reducing waste of donor organs, but does not yet provide an effective solution to organ demand because it has shown varied success in vivo depending on organ complexity and physiological requirements. Review of polymer-based scaffolds revealed that a composite scaffold formed by copolymerization is more effective than single polymer scaffolds because it allows copolymers to offset disadvantages a single polymer may possess. Selection of biomaterials for use in TE is essential for transplant success. There is not, however, a singular biomaterial that is universally optimal.
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49
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Loo Y, Goktas M, Tekinay AB, Guler MO, Hauser CAE, Mitraki A. Self-Assembled Proteins and Peptides as Scaffolds for Tissue Regeneration. Adv Healthc Mater 2015; 4:2557-86. [PMID: 26461979 DOI: 10.1002/adhm.201500402] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/24/2015] [Indexed: 12/15/2022]
Abstract
Self-assembling proteins and peptides are increasingly gaining interest for potential use as scaffolds in tissue engineering applications. They self-organize from basic building blocks under mild conditions into supramolecular structures, mimicking the native extracellular matrix. Their properties can be easily tuned through changes at the sequence level. Moreover, they can be produced in sufficient quantities with chemical synthesis or recombinant technologies to allow them to address homogeneity and standardization issues required for applications. Here. recent advances in self-assembling proteins, peptides, and peptide amphiphiles that form scaffolds suitable for tissue engineering are reviewed. The focus is on a variety of motifs, ranging from minimalistic dipeptides, simplistic ultrashort aliphatic peptides, and peptide amphiphiles to large "recombinamer" proteins. Special emphasis is placed on the rational design of self-assembling motifs and biofunctionalization strategies to influence cell behavior and modulate scaffold stability. Perspectives for combination of these "bottom-up" designer strategies with traditional "top-down" biofabrication techniques for new generations of tissue engineering scaffolds are highlighted.
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Affiliation(s)
- Yihua Loo
- Institute for Bioengineering and Nanotechnology; A* STAR; 31 Biopolis Way The Nanos 138669 Singapore
| | - Melis Goktas
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM); Bilkent University; Ankara Turkey 06800
| | - Ayse B. Tekinay
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM); Bilkent University; Ankara Turkey 06800
| | - Mustafa O. Guler
- Institute of Materials Science and Nanotechnology; National Nanotechnology Research Center (UNAM); Bilkent University; Ankara Turkey 06800
| | - Charlotte A. E. Hauser
- Institute for Bioengineering and Nanotechnology; A* STAR; 31 Biopolis Way The Nanos 138669 Singapore
| | - Anna Mitraki
- Department of Materials Science and Technology; University of Crete; Greece 70013
- Institute for Electronic Structure and Lasers (IESL); Foundation for Research and Technology Hellas (FORTH); Vassilika Vouton; Heraklion Crete Greece 70013
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50
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Yigit S, Dinjaski N, Kaplan DL. Fibrous proteins: At the crossroads of genetic engineering and biotechnological applications. Biotechnol Bioeng 2015; 113:913-29. [PMID: 26332660 DOI: 10.1002/bit.25820] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2015] [Revised: 07/27/2015] [Accepted: 08/25/2015] [Indexed: 12/30/2022]
Abstract
Fibrous proteins, such as silk, elastin and collagen are finding broad impact in biomaterial systems for a range of biomedical and industrial applications. Some of the key advantages of biosynthetic fibrous proteins compared to synthetic polymers include the tailorability of sequence, protein size, degradation pattern, and mechanical properties. Recombinant DNA production and precise control over genetic sequence of these proteins allows expansion and fine tuning of material properties to meet the needs for specific applications. We review current approaches in the design, cloning, and expression of fibrous proteins, with a focus on strategies utilized to meet the challenges of repetitive fibrous protein production. We discuss recent advances in understanding the fundamental basis of structure-function relationships and the designs that foster fibrous protein self-assembly towards predictable architectures and properties for a range of applications. We highlight the potential of functionalization through genetic engineering to design fibrous protein systems for biotechnological and biomedical applications.
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Affiliation(s)
- Sezin Yigit
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.,Department of Chemistry, Tufts University, Somerville, Massachusetts, 02145
| | - Nina Dinjaski
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.,Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts, 02155.
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