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Zagorodko O, Melnyk T, Nebot VJ, Dankers PYW, Vicent MJ. An Offset Patterned Cross-β Structure in Assemblies of C 3 -Symmetric Peptide Amphiphiles. Chemistry 2024; 30:e202303194. [PMID: 37967312 DOI: 10.1002/chem.202303194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/11/2023] [Accepted: 11/15/2023] [Indexed: 11/17/2023]
Abstract
Developing peptide-based materials with controlled morphology is a critical theme of soft matter research. Herein, we report the formation of a novel, patterned cross-β structure formed by self-assembled C3 -symmetric peptide amphiphiles based on diphenylalanine and benzene-1,3,5-tricarboxamide (BTA). The cross-β motif is an abundant structural element in amyloid fibrils and aggregates of fibril-forming peptides, including diphenylalanine. The incorporation of topological constraints on one edge of the diphenylalanine fragment limits the number of β-strands in β-sheets and leads to the creation of an unconventional offset-patterned cross-β structure consisting of short 3×2 parallel β-sheets stabilized by phenylalanine zippers. In the reported assembly, two patterned cross-β structures bind parallel arrays of BTA stacks in a superstructure within a single-molecule-thick nanoribbon. In addition to a threefold network of hydrogen bonds in the BTA stack, each molecule becomes simultaneously bound by hydrogen bonds from three β-sheets and four phenylalanine zippers. The diffuse layer of alkyl chains with terminal polar groups prevents the nanoribbons from merging and stabilizes cross-β-structure in water. Our results provide a simple approach to the incorporation of novel patterned cross-β motifs into supramolecular superstructures and shed light on the general mechanism of β-sheet formation in C3 -symmetric peptide amphiphiles.
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Affiliation(s)
- Oleksandr Zagorodko
- Polymer Therapeutics Lab, Centro de Investigación Príncipe Felipe, C/d'Eduardo Primo Yúfera, 3, 46012, Valencia, Spain
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P. O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Tetiana Melnyk
- Polymer Therapeutics Lab, Centro de Investigación Príncipe Felipe, C/d'Eduardo Primo Yúfera, 3, 46012, Valencia, Spain
- Centro de Investigación, Biomédica en Red en Oncología (CIBERONC), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain
| | - Vicent J Nebot
- Polymer Therapeutics Lab, Centro de Investigación Príncipe Felipe, C/d'Eduardo Primo Yúfera, 3, 46012, Valencia, Spain
- Curapath, Av. Benjamín Franklin, 19, 46980, Paterna, Valencia, Spain
| | - Patricia Y W Dankers
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P. O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - María J Vicent
- Polymer Therapeutics Lab, Centro de Investigación Príncipe Felipe, C/d'Eduardo Primo Yúfera, 3, 46012, Valencia, Spain
- Centro de Investigación, Biomédica en Red en Oncología (CIBERONC), Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain
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2
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Sakono M, Nakamura M, Ohshima T, Miyakoshi A, Arai R, Minamihata K, Kamiya N. One-pot synthesis of fibrillar-shaped functional nanomaterial using microbial transglutaminase. J Biosci Bioeng 2023; 135:440-446. [PMID: 37088672 DOI: 10.1016/j.jbiosc.2023.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 03/29/2023] [Accepted: 03/29/2023] [Indexed: 04/25/2023]
Abstract
Recently, functional nanowire production using amyloids as a scaffold for protein immobilization has attracted attention. However, protein immobilization on amyloid fibrils often caused protein inactivation. In this study, we investigated protein immobilization using enzymatic peptide ligation to suppress protein inactivation during immobilization. We attempted to immobilize functional molecules such as green fluorescent protein (GFP) and Nanoluc to a transthyretin (TTR) amyloid using microbial transglutaminase (MTG), which links the glutamine side chain to the primary amine. Linkage between amyloid fibrils and functional molecules was achieved through the MTG substrate sequence, and the functional molecules-loaded nanowires were successfully fabricated. We also found that the synthetic process from amyloidization to functional molecules immobilization could be achieved in a single-step procedure.All rights reserved.
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Affiliation(s)
- Masafumi Sakono
- Department of Applied Chemistry, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama, Toyama 930-8555, Japan.
| | - Mitsuki Nakamura
- Department of Applied Chemistry, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama, Toyama 930-8555, Japan
| | - Tatsuki Ohshima
- Department of Applied Chemistry, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama, Toyama 930-8555, Japan
| | - Ayano Miyakoshi
- Department of Applied Chemistry, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama, Toyama 930-8555, Japan
| | - Ryoichi Arai
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, Ueda, Nagano 386-8567, Japan; Department of Applied Biology, Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano 386-8567, Japan
| | - Kosuke Minamihata
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan; Division of Biotechnology, Center for Future Chemistry, Kyushu University, 744 Mootoka, Nishi-Ku, Fukuoka 819-0395, Japan
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3
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Chen Y, Liu X, Yang M, Sun W, Mao C. Integration of genetically engineered virus nanofibers and fibrin to form injectable fibrous neuron-rich hydrogels and enable neural differentiation. J Mater Chem B 2023; 11:802-815. [PMID: 36598077 DOI: 10.1039/d2tb01712a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Peripheral nerve injury (PNI) results in persistent pain, a burning sensation, tingling, or complete loss of sensation. Treating large nerve defects is a major challenge, and the use of autologous nerve grafts (ANGs) cannot overcome this challenge. Hence, substitutes for ANGs that can serve as artificial nerve fibers are urgently needed in the clinical treatment of PNI. To develop such substitutes, we genetically engineered a virus nanofiber (M13 phage) that displays a high density of RGD peptide on its sidewall, producing an RGD-displaying phage (R-phage). In the presence of neural stem cells (NSCs), the resultant negatively charged R-phage nanofibers were electrostatically bound to a complex (with a net positive charge) of negatively charged fibrin and positively charged polyethyleneimine (PEI). The biocompatible injectable fibrin gel (FG) was integrated with R-phage and seeded with NSCs, forming a hydrogel termed R-phage/FG, which is further extruded through a syringe to form a fiber. The developed fiber-shaped hydrogel exhibited the desired excellent physical-chemical properties, and controllable and appropriate mechanical properties (170-240 kPa) similar to native nerve. The R-phage/FG not only promoted NSC adhesion, infiltration, and proliferation, but also induced efficient preferential differentiation of NSCs into neurons in the hydrogels in a non-differentiating medium within only 4 days. After the NSC-seeded R-phage/FG was injected into the long-gap (10 mm) defect of a rat's sciatic nerve, a solid neuron-rich hydrogel fiber was formed as an artificial nerve fiber graft that stimulated neurogenesis in the transplanted area within 60 days for nerve regeneration. These results suggest that the R-phage/FG fiber represents a potential substitute ANG for repairing large nerve injuries. This work demonstrates a new phage-based biomaterial that can be used as a graft for treating PNI through neurogenesis.
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Affiliation(s)
- Yingfan Chen
- School of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, Zhejiang, P. R. China
| | - Xiangyu Liu
- School of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, Zhejiang, P. R. China
| | - Mingying Yang
- Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Yuhangtang Road 866, Hangzhou 310058, China.
| | - Weilian Sun
- Department of Periodontology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310009, P. R. China.
| | - Chuanbin Mao
- School of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, Zhejiang, P. R. China.,Department of Chemistry & Biochemistry, Stephenson Life Science Research Center, Institute for Biomedical Engineering Science and Technology, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma 73019-5251, USA.
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4
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Damnjanović J, Odake N, Fan J, Camagna M, Jia B, Kojima T, Nemoto N, Hitomi K, Nakano H. Comprehensive analysis of transglutaminase substrate preference by cDNA display coupled with next-generation sequencing and bioinformatics. Sci Rep 2022; 12:13578. [PMID: 35945258 PMCID: PMC9363462 DOI: 10.1038/s41598-022-17494-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/26/2022] [Indexed: 11/09/2022] Open
Abstract
cDNA display is an in vitro display technology based on a covalent linkage between a protein and its corresponding mRNA/cDNA, widely used for the selection of proteins and peptides from large libraries (1012) in a high throughput manner, based on their binding affinity. Here, we developed a platform using cDNA display and next-generation sequencing (NGS) for rapid and comprehensive substrate profiling of transglutaminase 2 (TG2), an enzyme crosslinking glutamine and lysine residues in proteins. After screening and selection of the control peptide library randomized at the reactive glutamine, a combinatorial library of displayed peptides randomized at positions - 1, + 1, + 2, and + 3 from the reactive glutamine was screened followed by NGS and bioinformatic analysis, which indicated a strong preference of TG2 towards peptides with glutamine at position - 1 (Gln-Gln motif), and isoleucine or valine at position + 3. The highly enriched peptides indeed contained the indicated sequence and showed a higher reactivity as TG2 substrates than the peptide previously selected by phage display, thus representing the novel candidate peptide probes for TG2 research. Furthermore, the obtained information on substrate profiling can be used to identify potential TG2 protein targets. This platform will be further used for the substrate profiling of other TG isozymes, as well as for the selection and evolution of larger biomolecules.
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Affiliation(s)
- Jasmina Damnjanović
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
| | - Nana Odake
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Jicheng Fan
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Tigermed, Hangzhou, China
| | - Maurizio Camagna
- Laboratory of Plant Genetics and Breeding, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Beixi Jia
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Takaaki Kojima
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.,Faculty of Agriculture, Meijo University, 1-501 Shiogamaguchi, Tempaku-ku, Nagoya, 468-8502, Japan
| | - Naoto Nemoto
- Laboratory of Evolutionary Molecular Engineering, Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, 338-8570, Japan
| | - Kiyotaka Hitomi
- Laboratory of Cellular Biochemistry, Graduate School of Pharmaceutical Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Hideo Nakano
- Laboratory of Molecular Biotechnology, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
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5
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Shintani Y, Ohtomi T, Shibata A, Kitamura Y, Hirosawa KM, Suzuki KGN, Ikeda M. Formation of Supramolecular Nanostructures through in Situ Self‐Assembly and Post‐Assembly Modification of a Biocatalytically Constructed Dipeptide Hydrazide**. Chemistry 2022; 28:e202104421. [DOI: 10.1002/chem.202104421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Indexed: 12/15/2022]
Affiliation(s)
- Yuki Shintani
- Department of Life Science and Chemistry Graduate School of Natural Science and Technology Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Taku Ohtomi
- Department of Life Science and Chemistry Graduate School of Natural Science and Technology Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Aya Shibata
- Department of Life Science and Chemistry Graduate School of Natural Science and Technology Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Yoshiaki Kitamura
- Department of Life Science and Chemistry Graduate School of Natural Science and Technology Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Koichiro M. Hirosawa
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Kenichi G. N. Suzuki
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
| | - Masato Ikeda
- Department of Life Science and Chemistry Graduate School of Natural Science and Technology Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute for Glyco-core Research (iGCORE) Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- United Graduate School of Drug Discovery and Medical Information Sciences Gifu University 1-1 Yanagido Gifu 501-1193 Japan
- Institute of Nano-Life-Systems Institutes of Innovation for Future Society Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
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6
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Production of pentaglycine-fused proteins using Escherichia coli expression system without in vitro peptidase treatment. Protein Expr Purif 2022; 194:106068. [DOI: 10.1016/j.pep.2022.106068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 11/22/2022]
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7
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Qiao L, Yang H, Gao S, Li L, Fu X, Wei Q. Research progress on self-assembled nanodrug delivery systems. J Mater Chem B 2022; 10:1908-1922. [DOI: 10.1039/d1tb02470a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In recent years, nanodrug delivery systems have attracted increasing attention due to their advantages, such as the high drug loading, low toxicity and side effects, improved bioavailability, long half-life, well...
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8
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Berillo D, Yeskendir A, Zharkinbekov Z, Raziyeva K, Saparov A. Peptide-Based Drug Delivery Systems. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:medicina57111209. [PMID: 34833427 PMCID: PMC8617776 DOI: 10.3390/medicina57111209] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 12/14/2022]
Abstract
Peptide-based drug delivery systems have many advantages when compared to synthetic systems in that they have better biocompatibility, biochemical and biophysical properties, lack of toxicity, controlled molecular weight via solid phase synthesis and purification. Lysosomes, solid lipid nanoparticles, dendrimers, polymeric micelles can be applied by intravenous administration, however they are of artificial nature and thus may induce side effects and possess lack of ability to penetrate the blood-brain barrier. An analysis of nontoxic drug delivery systems and an establishment of prospective trends in the development of drug delivery systems was needed. This review paper summarizes data, mainly from the past 5 years, devoted to the use of peptide-based carriers for delivery of various toxic drugs, mostly anticancer or drugs with limiting bioavailability. Peptide-based drug delivery platforms are utilized as peptide–drug conjugates, injectable biodegradable particles and depots for delivering small molecule pharmaceutical substances (500 Da) and therapeutic proteins. Controlled drug delivery systems that can effectively deliver anticancer and peptide-based drugs leading to accelerated recovery without significant side effects are discussed. Moreover, cell penetrating peptides and their molecular mechanisms as targeting peptides, as well as stimuli responsive (enzyme-responsive and pH-responsive) peptides and peptide-based self-assembly scaffolds are also reviewed.
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Affiliation(s)
- Dmitriy Berillo
- Department of Pharmaceutical and Toxicological Chemistry, Pharmacognosy and Botany School of Pharmacy, Asfendiyarov Kazakh National Medical University, Almaty 050000, Kazakhstan
- Correspondence: (D.B.); (A.S.)
| | - Adilkhan Yeskendir
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (A.Y.); (Z.Z.); (K.R.)
| | - Zharylkasyn Zharkinbekov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (A.Y.); (Z.Z.); (K.R.)
| | - Kamila Raziyeva
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (A.Y.); (Z.Z.); (K.R.)
| | - Arman Saparov
- Department of Medicine, School of Medicine, Nazarbayev University, Nur-Sultan 010000, Kazakhstan; (A.Y.); (Z.Z.); (K.R.)
- Correspondence: (D.B.); (A.S.)
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9
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Zhang M, Li L, An H, Zhang P, Liu P. Repair of Peripheral Nerve Injury Using Hydrogels Based on Self-Assembled Peptides. Gels 2021; 7:152. [PMID: 34698159 PMCID: PMC8544532 DOI: 10.3390/gels7040152] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 09/20/2021] [Accepted: 09/23/2021] [Indexed: 12/15/2022] Open
Abstract
Peripheral nerve injury often occurs in young adults and is characterized by complex regeneration mechanisms, poor prognosis, and slow recovery, which not only creates psychological obstacles for the patients but also causes a significant burden on society, making it a fundamental problem in clinical medicine. Various steps are needed to promote regeneration of the peripheral nerve. As a bioremediation material, self-assembled peptide (SAP) hydrogels have attracted international attention. They can not only be designed with different characteristics but also be applied in the repair of peripheral nerve injury by promoting cell proliferation or drug-loaded sustained release. SAP hydrogels are widely used in tissue engineering and have become the focus of research. They have extensive application prospects and are of great potential biological value. In this paper, the application of SAP hydrogel in peripheral nerve injury repair is reviewed, and the latest progress in peptide composites and fabrication techniques are discussed.
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Affiliation(s)
- Meng Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China;
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Lei Li
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan 250012, China;
| | - Heng An
- Beijing Key Laboratory for Bioengineering and Sensing Technology, Daxing Research Institute, School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100044, China;
| | - Peixun Zhang
- Department of Orthopedics and Trauma, Peking University People’s Hospital, Beijing 100044, China;
- Key Laboratory of Trauma and Neural Regeneration, Peking University, Beijing 100044, China
- National Center for Trauma Medicine, Beijing 100044, China
| | - Peilai Liu
- Department of Orthopaedics, Qilu Hospital of Shandong University, Jinan 250012, China;
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10
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Peressotti S, Koehl GE, Goding JA, Green RA. Self-Assembling Hydrogel Structures for Neural Tissue Repair. ACS Biomater Sci Eng 2021; 7:4136-4163. [PMID: 33780230 PMCID: PMC8441975 DOI: 10.1021/acsbiomaterials.1c00030] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/10/2021] [Indexed: 12/12/2022]
Abstract
Hydrogel materials have been employed as biological scaffolds for tissue regeneration across a wide range of applications. Their versatility and biomimetic properties make them an optimal choice for treating the complex and delicate milieu of neural tissue damage. Aside from finely tailored hydrogel properties, which aim to mimic healthy physiological tissue, a minimally invasive delivery method is essential to prevent off-target and surgery-related complications. The specific class of injectable hydrogels termed self-assembling peptides (SAPs), provide an ideal combination of in situ polymerization combined with versatility for biofunctionlization, tunable physicochemical properties, and high cytocompatibility. This review identifies design criteria for neural scaffolds based upon key cellular interactions with the neural extracellular matrix (ECM), with emphasis on aspects that are reproducible in a biomaterial environment. Examples of the most recent SAPs and modification methods are presented, with a focus on biological, mechanical, and topographical cues. Furthermore, SAP electrical properties and methods to provide appropriate electrical and electrochemical cues are widely discussed, in light of the endogenous electrical activity of neural tissue as well as the clinical effectiveness of stimulation treatments. Recent applications of SAP materials in neural repair and electrical stimulation therapies are highlighted, identifying research gaps in the field of hydrogels for neural regeneration.
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Affiliation(s)
- Sofia Peressotti
- Department
of Bioengineering and Centre for Neurotechnology, Imperial College London, London SW72AS, United Kingdom
| | - Gillian E. Koehl
- Department
of Bioengineering and Centre for Neurotechnology, Imperial College London, London SW72AS, United Kingdom
| | - Josef A. Goding
- Department
of Bioengineering and Centre for Neurotechnology, Imperial College London, London SW72AS, United Kingdom
| | - Rylie A. Green
- Department
of Bioengineering and Centre for Neurotechnology, Imperial College London, London SW72AS, United Kingdom
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11
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Kaur H, Roy S. Enzyme-Induced Supramolecular Order in Pyrene Dipeptide Hydrogels for the Development of an Efficient Energy-Transfer Template. Biomacromolecules 2021; 22:2393-2407. [PMID: 33973785 DOI: 10.1021/acs.biomac.1c00187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Peptide self-assembly is gathering much attention due to the precise control it provides for the arrangement of functional moieties for the fabrication of advanced functional materials. It is desirable to use a physical, chemical, or biological trigger that can control the self-assembly process. In the current article, we have applied an enzyme to induce the peptide self-assembly of an aromatic peptide amphiphile, which modulates the supramolecular order in the final gel phase material. We accessed diverse peptide hydrogels from identical gelator concentrations by simply changing the enzyme concentration, which controlled the reaction kinetics and influenced the dynamics of self-assembly. Depending upon the concentration of the enzyme, a bell-shaped relationship was observed in terms of intermolecular interactions, morphology, and properties of the final gel phase material. The access of non-equilibrium structures was further demonstrated by fluorescence emission spectroscopy, circular dichroism spectroscopy, atomic force microscopy, transmission electron microscopy, and rheology. This strategy is applied to construct a charge-transfer hydrogel by doping the donor hydrogel with an acceptor moiety, which exhibits efficient energy transfer. Interestingly, such structural control at the nanoscopic level can further tune the energy-transfer efficiency by simply modulating the enzyme concentration.
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Affiliation(s)
- Harsimran Kaur
- Institute of Nano Science and Technology, Phase-10, Sector-64, Mohali, Punjab 160062, India
| | - Sangita Roy
- Institute of Nano Science and Technology, Phase-10, Sector-64, Mohali, Punjab 160062, India
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12
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Kubota R, Tanaka W, Hamachi I. Microscopic Imaging Techniques for Molecular Assemblies: Electron, Atomic Force, and Confocal Microscopies. Chem Rev 2021; 121:14281-14347. [DOI: 10.1021/acs.chemrev.0c01334] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ryou Kubota
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Wataru Tanaka
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- JST-ERATO, Hamachi Innovative Molecular Technology for Neuroscience, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8530, Japan
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13
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Wakabayashi R, Higuchi A, Obayashi H, Goto M, Kamiya N. pH-Responsive Self-Assembly of Designer Aromatic Peptide Amphiphiles and Enzymatic Post-Modification of Assembled Structures. Int J Mol Sci 2021; 22:ijms22073459. [PMID: 33801602 PMCID: PMC8037177 DOI: 10.3390/ijms22073459] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/25/2022] Open
Abstract
Supramolecular fibrous materials in biological systems play important structural and functional roles, and therefore, there is a growing interest in synthetic materials that mimic such fibrils, especially those bearing enzymatic reactivity. In this study, we investigated the self-assembly and enzymatic post-modification of short aromatic peptide amphiphiles (PAs), Fmoc-LnQG (n = 2 or 3), which contain an LQG recognition unit for microbial transglutaminase (MTG). These aromatic PAs self-assemble into fibrous structures via π-π stacking interactions between the Fmoc groups and hydrogen bonds between the peptides. The intermolecular interactions and morphologies of the assemblies were influenced by the solution pH because of the change in the ionization states of the C-terminal carboxy group of the peptides. Moreover, MTG-catalyzed post-modification of a small fluorescent molecule bearing an amine group also showed pH dependency, where the enzymatic reaction rate was increased at higher pH, which may be because of the higher nucleophilicity of the amine group and the electrostatic interaction between MTG and the self-assembled Fmoc-LnQG. Finally, the accumulation of the fluorescent molecule on these assembled materials was directly observed by confocal fluorescence images. Our study provides a method to accumulate functional molecules on supramolecular structures enzymatically with the morphology control.
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Affiliation(s)
- Rie Wakabayashi
- Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka 819-0395, Japan; (A.H.); (H.O.); (M.G.)
- Correspondence: (R.W.); (N.K.); Tel.: +81-92-802-2809 (R.W.); +81-92-802-2807 (N.K.)
| | - Ayato Higuchi
- Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka 819-0395, Japan; (A.H.); (H.O.); (M.G.)
| | - Hiroki Obayashi
- Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka 819-0395, Japan; (A.H.); (H.O.); (M.G.)
| | - Masahiro Goto
- Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka 819-0395, Japan; (A.H.); (H.O.); (M.G.)
- Center for Future Chemistry, Kyushu University, Fukuoka 819-0395, Japan
| | - Noriho Kamiya
- Department of Applied Chemistry, School of Engineering, Kyushu University, Fukuoka 819-0395, Japan; (A.H.); (H.O.); (M.G.)
- Center for Future Chemistry, Kyushu University, Fukuoka 819-0395, Japan
- Correspondence: (R.W.); (N.K.); Tel.: +81-92-802-2809 (R.W.); +81-92-802-2807 (N.K.)
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14
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Distaffen HE, Jones CW, Abraham BL, Nilsson BL. Multivalent display of chemical signals on
self‐assembled
peptide scaffolds. Pept Sci (Hoboken) 2021. [DOI: 10.1002/pep2.24224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Singh N, Singh R, Sharma S, Kesharwani K, Joshi KB, Verma S. Transition-metal ion-mediated morphological transformation of pyridine-based peptide nanostructures. NEW J CHEM 2021. [DOI: 10.1039/d0nj04260a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Pyridine-mediated constitutionally isomeric artificial metallopeptides possess remarkable advantages over the natural counterparts mainly due to their tailor-made chemical structure.
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Affiliation(s)
- Narendra Singh
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
| | - Ramesh Singh
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Swati Sharma
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
| | - Khushboo Kesharwani
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Khashti Ballabh Joshi
- Department of Chemistry
- School of Chemical Science and Technology
- Dr HarisinghGour Central University
- Sagar
- India
| | - Sandeep Verma
- Department of chemistry
- Indian Institute of Technology
- Kanpur-208016
- India
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16
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Wang W, Ventura S. Prion domains as a driving force for the assembly of functional nanomaterials. Prion 2020; 14:170-179. [PMID: 32597308 PMCID: PMC7518758 DOI: 10.1080/19336896.2020.1785659] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/11/2020] [Accepted: 06/12/2020] [Indexed: 01/06/2023] Open
Abstract
Amyloids display a highly ordered fibrillar structure. Many of these assemblies appear associated with human disease. However, the controllable, stable, tunable, and robust nature of amyloid fibrils can be exploited to build up remarkable nanomaterials with a wide range of applications in biomedicine and biotechnology. Functional prions constitute a particular class of amyloids. These transmissible proteins exhibit a modular architecture, with a disordered prion domain responsible for the assembly and one or more globular domains that account for the activity. Importantly, the original globular protein can be replaced with any protein of interest, without compromising the fibrillation potential. These genetic fusions form fibrils in which the globular domain remains folded, rendering functional nanostructures. However, in some cases, steric hindrance restricts the activity of these fibrils. This limitation can be solved by dissecting prion domains into shorter sequences that keep their self-assembling properties while allowing better access to the active protein in the fibrillar state. In this review, we will discuss the properties of prion-like functional nanomaterials and the amazing applications of these biocompatible fibrillar arrangements.
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Affiliation(s)
- Weiqiang Wang
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Bellaterra (Barcelona), Spain
| | - Salvador Ventura
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, Bellaterra (Barcelona), Spain
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17
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Kubota R, Torigoe S, Liu S, Hamachi I. In Situ Real-time Confocal Imaging of a Self-assembling Peptide-grafted Polymer Showing pH-responsive Hydrogelation. CHEM LETT 2020. [DOI: 10.1246/cl.200513] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Ryou Kubota
- Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Shogo Torigoe
- Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Shuang Liu
- Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- JST-ERATO, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8530, Japan
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18
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Zhang J, Liu S, Li H, Tian X, Li X. Tryptophan-Based Self-Assembling Peptides with Bacterial Flocculation and Antimicrobial Properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:11316-11323. [PMID: 32907333 DOI: 10.1021/acs.langmuir.0c01957] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Tryptophan as an aromatic amino acid with a hydrophobic indole group plays important roles in stabilizing protein structures and enhancing molecular bindings in nature, but was rarely used in the molecular design of self-assembling peptides or gelators. Therefore, we prepared a series of short peptides from Trp amino acids and examined the potential roles of Trp residues for regulating peptide self-assembly and gelation. The introduced Trp amino acids not only diversify the molecular structures of peptide gelators, but also promote aromatic and hydrogen-bonding interactions for supramolecular self-assembling and gelation, which generates self-assembled nanostructures with twisted helical morphologies and supramolecular hydrogels with low minimal gelation concentrations. More importantly, the self-assembling peptides with Trp residues displayed strong preference for interacting with the lipidic membranes of bacteria, which resulted in bacterial flocculation and the death of E. coli and S. aureus.
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Affiliation(s)
- Jikun Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Shengnan Liu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Hang Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xin Tian
- School for Radiological and Interdisciplinary Sciences (RAD-X), Soochow University, Suzhou 215123, China
| | - Xinming Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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19
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Feger G, Angelov B, Angelova A. Prediction of Amphiphilic Cell-Penetrating Peptide Building Blocks from Protein-Derived Amino Acid Sequences for Engineering of Drug Delivery Nanoassemblies. J Phys Chem B 2020; 124:4069-4078. [PMID: 32337991 DOI: 10.1021/acs.jpcb.0c01618] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Amphiphilic molecules, forming self-assembled nanoarchitectures, are typically composed of hydrophobic and hydrophilic domains. Peptide amphiphiles can be designed from two, three, or four building blocks imparting novel structural and functional properties and affinities for interaction with cellular membranes or intracellular organelles. Here we present a combined numerical approach to design amphiphilic peptide scaffolds that are derived from the human nuclear Ki-67 protein. Ki-67 acts, like a biosurfactant, as a steric and electrostatic charge barrier against the collapse of mitotic chromosomes. The proposed predictive design of new Ki-67 protein-derived amphiphilic amino acid sequences exploits the computational outcomes of a set of web-accessible predictors, which are based on machine learning methods. The ensemble of such artificial intelligence algorithms, involving support vector machine (SVM), random forest (RF) classifiers, and neural networks (NN), enables the nanoengineering of a broad range of innovative peptide materials for therapeutic delivery in various applications. Amphiphilic cell-penetrating peptides (CPP), derived from natural protein sequences, may spontaneously form self-assembled nanocarriers characterized by enhanced cellular uptake. Thanks to their inherent low immunogenicity, they may enable the safe delivery of therapeutic molecules across the biological barriers.
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Affiliation(s)
- Guillaume Feger
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay UMR8612, F-92296 Châtenay-Malabry, France
| | - Borislav Angelov
- Institute of Physics, ELI Beamlines, Academy of Sciences of the Czech Republic, Na Slovance 2, CZ-18221 Prague, Czech Republic
| | - Angelina Angelova
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay UMR8612, F-92296 Châtenay-Malabry, France
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20
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Thota C, Berger AA, Elomaa L, Nie C, Böttcher C, Koksch B. Coassembly Generates Peptide Hydrogel with Wound Dressing Material Properties. ACS OMEGA 2020; 5:8557-8563. [PMID: 32337417 PMCID: PMC7178367 DOI: 10.1021/acsomega.9b04371] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/05/2020] [Indexed: 05/21/2023]
Abstract
Multicomponent self-assembly of peptides is a powerful strategy to fabricate novel functional materials with synergetic properties that can be used for several nanobiotechnological applications. In the present study, we used a coassembly strategy to generate an injectable ultrashort bioactive peptide hydrogel formed by mixing a dipeptide hydrogelator with a macrophage attracting short chemotactic peptide ligand. Coassembly does not impede hydrogelation as shown by cryo-transmission electron microscopy (cryo-TEM), scanning electron microscopy, and rheology. Biocompatibility was shown by cytotoxicity assays and confocal microscopy. The hydrogels release the entrapped skin antibiotic ciprofloxacin, among others, in a slow and continuous manner. Such bioinspired advanced functional materials can find applications as wound dressing materials to treat chronic wound conditions like diabetic foot ulcer.
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Affiliation(s)
- Chaitanya
Kumar Thota
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Allison A. Berger
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Laura Elomaa
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Chaunxiong Nie
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Christoph Böttcher
- Research
Center for Electron Microscopy, Freie Universität
Berlin, Fabeckstrasse
36a, 14195 Berlin, Germany
| | - Beate Koksch
- Department
of Chemistry and Biochemistry, Freie Universität
Berlin, Takustrasse 3, 14195 Berlin, Germany
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21
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Kubota R, Nakamura K, Torigoe S, Hamachi I. The Power of Confocal Laser Scanning Microscopy in Supramolecular Chemistry: In situ Real-time Imaging of Stimuli-Responsive Multicomponent Supramolecular Hydrogels. ChemistryOpen 2020; 9:67-79. [PMID: 31988842 PMCID: PMC6967000 DOI: 10.1002/open.201900328] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/15/2019] [Indexed: 12/20/2022] Open
Abstract
Multicomponent supramolecular hydrogels are promising scaffolds for applications in biosensors and controlled drug release due to their designer stimulus responsiveness. To achieve rational construction of multicomponent supramolecular hydrogel systems, their in-depth structural analysis is essential but still challenging. Confocal laser scanning microscopy (CLSM) has emerged as a powerful tool for structural analysis of multicomponent supramolecular hydrogels. CLSM imaging enables real-time observation of the hydrogels without the need of drying and/or freezing to elucidate their static and dynamic properties. Through multiple, selective fluorescent staining of materials of interest, multiple domains formed in supramolecular hydrogels (e. g. inorganic materials and self-sorting nanofibers) can also be visualized. CLSM and the related microscopic techniques will be indispensable to investigate complex life-inspired supramolecular chemical systems.
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Affiliation(s)
- Ryou Kubota
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of EngineeringKyoto University, Nishikyo-ku, KatsuraKyoto615-8510Japan
| | - Keisuke Nakamura
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of EngineeringKyoto University, Nishikyo-ku, KatsuraKyoto615-8510Japan
| | - Shogo Torigoe
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of EngineeringKyoto University, Nishikyo-ku, KatsuraKyoto615-8510Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of EngineeringKyoto University, Nishikyo-ku, KatsuraKyoto615-8510Japan
- JST-ERATO, Hamachi Innovative Molecular Technology for NeuroscienceKyoto University, Nishikyo-kuKyoto615-8530Japan
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22
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Wang W, Navarro S, Azizyan RA, Baño-Polo M, Esperante SA, Kajava AV, Ventura S. Prion soft amyloid core driven self-assembly of globular proteins into bioactive nanofibrils. NANOSCALE 2019; 11:12680-12694. [PMID: 31237592 DOI: 10.1039/c9nr01755k] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Amyloids have been exploited to build amazing bioactive materials. In most cases, short synthetic peptides constitute the functional components of such materials. The controlled assembly of globular proteins into active amyloid nanofibrils is still challenging, because the formation of amyloids implies a conformational conversion towards a β-sheet-rich structure, with a concomitant loss of the native fold and the inactivation of the protein. There is, however, a remarkable exception to this rule: yeast prions. They are singular proteins able to switch between a soluble and an amyloid state. In both states, the structure of their globular domains remains essentially intact. The transit between these two conformations is encoded in prion domains (PrDs): long and disordered sequences to which the active globular domains are appended. PrDs are much larger than typical self-assembling peptides. This seriously limits their use for nanotechnological applications. We have recently shown that these domains contain soft amyloid cores (SACs) that suffice to nucleate their self-assembly reaction. Here we genetically fused a model SAC with different globular proteins. We demonstrate that this very short sequence acts as a minimalist PrD, driving the selective and slow assembly of the initially soluble fusion proteins into amyloid fibrils in which the globular proteins retain their native structure and display high activity. Overall, we provide here a novel, modular and straightforward strategy to build active protein-based nanomaterials at a preparative scale.
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Affiliation(s)
- Weiqiang Wang
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Susanna Navarro
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Rafayel A Azizyan
- Centre de Recherche en Biologie cellulaire de Montpellier, UMR 5237 CNRS, Université Montpellier, 1919 Route de Mende, 34293 Montpellier, Cedex 5, France
| | - Manuel Baño-Polo
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Sebastian A Esperante
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Andrey V Kajava
- Centre de Recherche en Biologie cellulaire de Montpellier, UMR 5237 CNRS, Université Montpellier, 1919 Route de Mende, 34293 Montpellier, Cedex 5, France
| | - Salvador Ventura
- Institut de Biotecnologia i de Biomedicina and Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
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23
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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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