1
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Juárez-Cortés MZ, Vázquez LEC, Díaz SFM, Cardona Félix CS. Streptococcus iniae in aquaculture: a review of pathogenesis, virulence, and antibiotic resistance. Int J Vet Sci Med 2024; 12:25-38. [PMID: 38751408 PMCID: PMC11095286 DOI: 10.1080/23144599.2024.2348408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 04/18/2024] [Indexed: 05/18/2024] Open
Abstract
One of the main challenges in aquaculture is pathogenic bacterial control. Streptococcus iniae stands out for its ability to cause high mortality rates in populations of commercially important fish populations and its recent recognition as an emerging zoonotic pathogen. The rise in identifying over 80 strains some displaying antibiotic resistance coupled with the emerging occurrence of infections in marine mammal species and wild fish underscores the urgent need of understanding pathogenesis, virulence and drug resistance mechanisms of this bacterium. This understanding is crucial to ensure effective control strategies. In this context, the present review conducts a bibliometric analysis to examine research trends related to S. iniae, extending into the mechanisms of infection, virulence, drug resistance and control strategies, whose relevance is highlighted on vaccines and probiotics to strengthen the host immune system. Despite the advances in this field, the need for developing more efficient identification methods is evident, since they constitute the basis for accurate diagnosis and treatment.
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Affiliation(s)
| | - Luz Edith Casados Vázquez
- CONAHCYT- Universidad de Guanajuato. Food Department, Life Science Division, University of Guanajuato Campus Irapuato-Salamanca. Irapuato, Guanajuato, México
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2
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Baburao C, Selvasudha N, Kishore K, Priyadharshini S, Manikandamaharaj TS, Prabhu Deva M, Ali BMJ, Vasanthi HR. Design, fabrication, and evaluation of keratin and pectin incorporated supramolecular structured zero-oxidation state selenium nanogel blended 3D printed transdermal patch. Int J Biol Macromol 2024:131769. [PMID: 38692999 DOI: 10.1016/j.ijbiomac.2024.131769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 04/17/2024] [Accepted: 04/20/2024] [Indexed: 05/03/2024]
Abstract
This study investigates the synthesis of selenium nanoparticles (SeNPs), owing to the low cost and abundance of selenium. However, the toxicity of SeNP prompts the development of a selenium nanocomposite (SeNC) containing pectin, keratin, and ferulic acid to improve the bioactivity of Se[0]. Further, incorporating the SeNC in a suitable formulation for drug delivery as a transdermal patch was worth studying. Accordingly, various analytical techniques were used to characterize the SeNPs and the SeNC, confirming successful synthesis and encapsulation. The SeNC exhibited notable particle size of 448.2 ± 50.2 nm, high encapsulation efficiency (98.90 % ± 2.4 %), 28.1 ± 0.45 drug loading, and sustained drug release at pH 5.5. Zeta potential and XPS confirmed the zero-oxidation state. The supramolecular structure was evident from spectral analysis endorsing the semi-crystalline nature of the SeNC and SEM images showcasing flower-shaped structures. Further, the SeNC demonstrated sustained drug release (approx. 22 % at 48 h) and wound-healing potential in L929 fibroblast cells. Subsequently, the SeNC loaded into a gelling agent exhibited shear thinning properties and improved drug release by nearly 58 %. A 3D printed reservoir-type transdermal patch was developed utilizing the SeNC-loaded gel, surpassing commercially available patches in characteristics such as % moisture uptake, tensile strength, and hydrophobicity. The patch, evaluated through permeation studies and CAM assay, exhibited controlled drug release and angiogenic properties for enhanced wound healing. The study concludes that this patch can serve as a smart dressing with tailored functionality for different wound stages, offering a promising novel drug delivery system for wound healing.
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Affiliation(s)
- Chilaka Baburao
- Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, India
| | | | - Kunal Kishore
- Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, India
| | - S Priyadharshini
- Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, India
| | - T S Manikandamaharaj
- Department of Green Energy Technology, Pondicherry University, Kalapet, Puducherry, India
| | - M Prabhu Deva
- Xenobiomic Research And Technological Development Pvt. Ltd., Moolakulam, Puducherry, India
| | - B M Jaffar Ali
- Department of Green Energy Technology, Pondicherry University, Kalapet, Puducherry, India
| | - Hannah R Vasanthi
- Department of Biotechnology, Pondicherry University, Kalapet, Puducherry, India.
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3
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Peggion C, Panetta V, Lastella L, Formaggio F, Ricci A, Oancea S, Hilma G, Biondi B. Relevance of amphiphilicity and helicity on the antibacterial action of a histatin 5-derived peptide. J Pept Sci 2024:e3609. [PMID: 38676397 DOI: 10.1002/psc.3609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024]
Abstract
Peptide dhvar4, derived from the active domain of our salivary peptide histatin 5, bears a Phe residue in the middle of its hydrophilic face when folded into an α-helix. We then synthesized an analog with this Phe replaced by Lys and two analogs preserving Phe but bearing two and three α-aminoisobutyric acid (Aib) residues to stabilize the helical structure. The aim of this design was to verify which of the two features is more favorable to the biological activity. We performed a conformational study by means of circular dichroism and nuclear magnetic resonance, made antibacterial tests, and assessed the stability of the peptides in human serum. We observed that amphiphilicity is more important than helix stability, provided a peptide can adopt a helical conformation in a membrane-mimetic environment.
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Affiliation(s)
| | - Valeria Panetta
- Department of Chemistry, University of Padova, Padova, Italy
| | - Luana Lastella
- Department of Chemistry, University of Padova, Padova, Italy
| | - Fernando Formaggio
- Department of Chemistry, University of Padova, Padova, Italy
- Institute of Biomolecular Chemistry, Padova Unit, CNR, Padova, Italy
| | | | - Simona Oancea
- Department of Agricultural Sciences and Food Engineering, "Lucian Blaga" University of Sibiu, Sibiu, Romania
| | - Geta Hilma
- Public Health Directorate, Sibiu, Romania
| | - Barbara Biondi
- Institute of Biomolecular Chemistry, Padova Unit, CNR, Padova, Italy
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4
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Sindhurattavej N, Jampana S, Pham MP, Romero LC, Rogers AG, Stevens GA, Fowler WC. Tuning Molecular Motion Enhances Intrinsic Fluorescence in Peptide Amphiphile Nanofibers. Biomacromolecules 2024; 25:2531-2541. [PMID: 38508219 PMCID: PMC11005007 DOI: 10.1021/acs.biomac.4c00050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 03/22/2024]
Abstract
Peptide amphiphiles (PAs) are highly tunable molecules that were recently found to exhibit aggregation-induced emission (AIE) when they self-assemble into nanofibers. Here, we leverage decades of molecular design and self-assembly study of PAs to strategically tune their molecular motion within nanofibers to enhance AIE, making them a highly useful platform for applications such as sensing, bioimaging, or materials property characterization. Since AIE increases when aggregated molecules are rigidly and closely packed, we altered the four most closely packed amino acids nearest to the hydrophobic core by varying the order and composition of glycine, alanine, and valine pairs. Of the six PA designs studied, C16VVAAK2 had the highest quantum yield at 0.17, which is a more than 10-fold increase from other PA designs including the very similar C16AAVVK2, highlighting the importance of precise amino acid placement to anchor rigidity closest to the core. We also altered temperature to increase AIE. C16VVAAK2 exhibited an additional 4-fold increase in maximum fluorescence intensity when the temperature was raised from 5 to 65 °C. As the temperature increased, the secondary structure transitioned from β-sheet to random coil, indicating that further packing an already aligned molecular system makes it even more readily able to transfer energy between the electron-rich amides. This work both unveils a highly fluorescent AIE PA system design and sheds insights into the molecular orientation and packing design traits that can significantly enhance AIE in self-assembling systems.
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Affiliation(s)
| | - Shreya Jampana
- Department
of Engineering, Harvey Mudd College, Claremont, California 91711, United States
| | - Mai Phuong Pham
- Department
of Engineering, Harvey Mudd College, Claremont, California 91711, United States
| | - Leonardo C. Romero
- Department
of Chemistry, Harvey Mudd College, Claremont, California 91711, United States
| | - Anna Grace Rogers
- Department
of Chemistry, Harvey Mudd College, Claremont, California 91711, United States
| | - Griffin A. Stevens
- Department
of Chemistry, Harvey Mudd College, Claremont, California 91711, United States
| | - Whitney C. Fowler
- Department
of Engineering, Harvey Mudd College, Claremont, California 91711, United States
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5
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Solomonov A, Kozell A, Shimanovich U. Designing Multifunctional Biomaterials via Protein Self-Assembly. Angew Chem Int Ed Engl 2024; 63:e202318365. [PMID: 38206201 DOI: 10.1002/anie.202318365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/27/2023] [Accepted: 01/05/2024] [Indexed: 01/12/2024]
Abstract
Protein self-assembly is a fundamental biological process where proteins spontaneously organize into complex and functional structures without external direction. This process is crucial for the formation of various biological functionalities. However, when protein self-assembly fails, it can trigger the development of multiple disorders, thus making understanding this phenomenon extremely important. Up until recently, protein self-assembly has been solely linked either to biological function or malfunction; however, in the past decade or two it has also been found to hold promising potential as an alternative route for fabricating materials for biomedical applications. It is therefore necessary and timely to summarize the key aspects of protein self-assembly: how the protein structure and self-assembly conditions (chemical environments, kinetics, and the physicochemical characteristics of protein complexes) can be utilized to design biomaterials. This minireview focuses on the basic concepts of forming supramolecular structures, and the existing routes for modifications. We then compare the applicability of different approaches, including compartmentalization and self-assembly monitoring. Finally, based on the cutting-edge progress made during the last years, we summarize the current knowledge about tailoring a final function by introducing changes in self-assembly and link it to biomaterials' performance.
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Affiliation(s)
- Aleksei Solomonov
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 234 Herzl st., Rehovot, 76100, Israel
| | - Anna Kozell
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 234 Herzl st., Rehovot, 76100, Israel
| | - Ulyana Shimanovich
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, 234 Herzl st., Rehovot, 76100, Israel
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6
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Fang Z, Wu X, Wang F, Li F, Cai X, Guyonnet V, Wang S. Vitamin D 3 mediated peptides-calcium chelate self-assembly: Fabrication, stability and improvement on cellular calcium transport. Food Chem 2024; 437:137779. [PMID: 37871429 DOI: 10.1016/j.foodchem.2023.137779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 09/21/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023]
Abstract
A self-assembled peptides-calcium-Vitamin D3 ternary delivery system (CSPH-Ca-VD3) was prepared to investigate the promotion of cellular calcium transport. The constructed CSPH-Ca-VD3 nanocomplex exhibited a spherical structure with a size of 135.2 ± 10.2 nm. Based on the thermodynamic calculation of fluorescent spectra, hydrophobic interaction was shown as the major driving force for this nanocomplex structure. CSPH-Ca-VD3 nanocomplex possessed excellent stability during simulated gastrointestinal digestion, contributing to the prevention of acid degradation of VD3 and the enhancement of calcium solubility. Furthermore, the calcium transport efficiency in the form of CSPH-Ca-VD3 (4 mg/mL) across a Caco-2 cells monolayer was significantly increased 2.3-fold compared to that of free Ca2+, mainly attributed to the upregulation in the presence of CSPH-Ca-VD3 of TRPV6, calbindin D9k and PMCA1b expression in Caco-2 cells. The present study provided a basis for developing a novel delivery system of peptides-calcium chelate with the dual effects of VD3 protection and calcium uptake promotion.
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Affiliation(s)
- Zheng Fang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Xiaoping Wu
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Fangfang Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Fan Li
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Xixi Cai
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Vincent Guyonnet
- FFI Consulting Ltd, 2488 Lyn Road, Brockville, ON K6V 5T3, Canada
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
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7
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Sun B, Zhang L, Li M, Wang X, Wang W. Applications of peptide-based nanomaterials in targeting cancer therapy. Biomater Sci 2024; 12:1630-1642. [PMID: 38404259 DOI: 10.1039/d3bm02026f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
To meet the demand for precision medicine, researchers are committed to developing novel strategies to reduce systemic toxicity and side effects in cancer treatment. Targeting peptides are widely applied due to their affinity and specificity, and their ability to be high-throughput screened, chemically synthesized and modified. More importantly, peptides can form ordered self-assembled structures through non-covalent supramolecular interactions, which can form nanostructures with different morphologies and functions, playing crucial roles in targeted diagnosis and treatment. Among them, in targeted immunotherapy, utilizing targeting peptides to block the binding between immune checkpoints and ligands, thereby activating the immune system to eliminate cancer cells, is an advanced therapeutic strategy. In this mini-review, we summarize the screening, self-assembly, and biomedical applications of targeting peptide-based nanomaterials. Furthermore, this mini-review summarizes the potential and optimization strategies of targeting peptides.
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Affiliation(s)
- Beilei Sun
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion Materials, School of Medical Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Limin Zhang
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion Materials, School of Medical Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Mengzhen Li
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion Materials, School of Medical Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Xin Wang
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion Materials, School of Medical Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
| | - Weizhi Wang
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electro-photonic Conversion Materials, School of Medical Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
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8
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Shao T, Noroozifar M, Kraatz HB. Divalent metal ion modulation of a simple peptide-based hydrogel: self-assembly and viscoelastic properties. Soft Matter 2024; 20:2720-2729. [PMID: 38454905 DOI: 10.1039/d3sm01544k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Peptide self-assembly has been highly studied to understand the pathways in forming higher order structures along with the development and application of resulting hydrogel materials. Driven by noncovalent interactions, peptide hydrogels are stimuli-responsive to any addition to its gelling conditions. Here, a Phe-His based peptide, C14-FH(Trt)-OH, was synthesized and characterized with 1H NMR, FT-IR, MS, UV-vis spectroscopies and elemental analysis. Based on SEM imaging, the dipeptide conjugate was capable of forming a nanofibrous, interconnected network encapsulating buffer to produce a supramolecular hydrogel. Through the addition of Zn2+ and Cu2+, there is a clear change in the self-assembled nanostructures characterized through SEM. With this effect on self-assembly follows a change in the viscoelastic properties of the material, as determined through rheological frequency sweeps, with 2 and 3 orders of magnitude decreases in the elastic modulus G' in the presence of Zn2+ and Cu2+ respectively. This highlights the tunability of soft material properties with peptide design and self-assembly, through metal ions and Nδ-directed coordination.
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Affiliation(s)
- Tsuimy Shao
- Department of Chemistry, University of Toronto, 80 St. George Street, M5S 3H6, Toronto, Canada
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1065 Military Trail, M1C 1A4, Scarborough, Canada.
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1065 Military Trail, M1C 1A4, Scarborough, Canada.
| | - Heinz-Bernhard Kraatz
- Department of Chemistry, University of Toronto, 80 St. George Street, M5S 3H6, Toronto, Canada
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1065 Military Trail, M1C 1A4, Scarborough, Canada.
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9
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Williams-Noonan BJ, Kulkarni K, Todorova N, Franceschi M, Wilde C, Borgo MPD, Serpell LC, Aguilar MI, Yarovsky I. Atomic Scale Structure of Self-Assembled Lipidated Peptide Nanomaterials. Adv Mater 2024:e2311103. [PMID: 38489817 DOI: 10.1002/adma.202311103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/12/2024] [Indexed: 03/17/2024]
Abstract
β-Peptides have great potential as novel biomaterials and therapeutic agents, due to their unique ability to self-assemble into low dimensional nanostructures, and their resistance to enzymatic degradation in vivo. However, the self-assembly mechanisms of β-peptides, which possess increased flexibility due to the extra backbone methylene groups present within the constituent β-amino acids, are not well understood due to inherent difficulties of observing their bottom-up growth pathway experimentally. A computational approach is presented for the bottom-up modelling of the self-assembled lipidated β3-peptides, from monomers, to oligomers, to supramolecular low-dimensional nanostructures, in all-atom detail. The approach is applied to elucidate the self-assembly mechanisms of recently discovered, distinct structural morphologies of low dimensional nanomaterials, assembled from lipidated β3-peptide monomers. The resultant structures of the nanobelts and the twisted fibrils are stable throughout subsequent unrestrained all-atom molecular dynamics simulations, and these assemblies display good agreement with the structural features obtained from X-ray fiber diffraction and atomic force microscopy data. This is the first reported, fully-atomistic model of a lipidated β3-peptide-based nanomaterial, and the computational approach developed here, in combination with experimental fiber diffraction analysis and atomic force microscopy, will be useful in elucidating the atomic scale structure of self-assembled peptide-based and other supramolecular nanomaterials.
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Affiliation(s)
| | - Ketav Kulkarni
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3800, Australia
| | - Nevena Todorova
- School of Engineering, RMIT University, Melbourne, Victoria, 3001, Australia
| | - Matteo Franceschi
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3800, Australia
| | - Christopher Wilde
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3800, Australia
| | - Mark P Del Borgo
- Department of Pharmacology, Monash University, Clayton, Victoria, 3800, Australia
| | - Louise C Serpell
- Sussex Neuroscience, School of Life Sciences, University of Sussex, Falmer, Brighton, East Sussex, BN1 9QG, UK
| | - Marie-Isabel Aguilar
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, 3800, Australia
| | - Irene Yarovsky
- School of Engineering, RMIT University, Melbourne, Victoria, 3001, Australia
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10
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Yurtsever A, Hirata K, Kojima R, Miyazawa K, Miyata K, Kesornsit S, Zareie H, Sun L, Maeda K, Sarikaya M, Fukuma T. Dynamics of Molecular Self-Assembly of Short Peptides at Liquid-Solid Interfaces - Effect of Charged Amino Acid Point Mutations. Small 2024:e2400653. [PMID: 38385848 DOI: 10.1002/smll.202400653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Indexed: 02/23/2024]
Abstract
Self-organizing solid-binding peptides on atomically flat solid surfaces offer a unique bio/nano hybrid platform, useful for understanding the basic nature of biology/solid coupling and their practical applications. The surface behavior of peptides is determined by their molecular folding, which is influenced by various factors and is challenging to study. Here, the effect of charged amino acids is studied on the self-assembly behavior of a directed evolution selected graphite-binding dodecapeptide on graphite surface. Two mutations, M6 and M8, are designed to introduce negatively and positively charged moieties, respectively, at the anchoring domain of the wild-type (WT) peptide, affecting both binding and assembly. The questions addressed here are whether mutant peptides exhibit molecular crystal formation and demonstrate molecular recognition on the solid surface based on the specific mutations. Frequency-modulated atomic force microscopy is used for observations of the surface processes dynamically in water at molecular resolution over several hours at the ambient. The results indicate that while the mutants display distinct folding and surface behavior, each homogeneously nucleates and forms 2D self-organized patterns, akin to the WT peptide. However, their growth dynamics, domain formation, and crystalline lattice structures differ significantly. The results represent a significant step toward the rational design of bio/solid interfaces, potent facilitators of a variety of future implementations.
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Affiliation(s)
- Ayhan Yurtsever
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Kaito Hirata
- Institute for Frontier Science and Initiative, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Ryohei Kojima
- Division of Nano Life Science, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Keisuke Miyazawa
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Kazuki Miyata
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
- Division of Nano Life Science, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Sanhanut Kesornsit
- Graduate School of Frontier Science Initiative, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Hadi Zareie
- Dentomimetix, Inc., Fluke Hall, University of Washington, Seattle, WA, 98195, USA
| | - Linhao Sun
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Katsuhiro Maeda
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Mehmet Sarikaya
- Dentomimetix, Inc., Fluke Hall, University of Washington, Seattle, WA, 98195, USA
| | - Takeshi Fukuma
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
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11
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Abstract
Short surfactant-like amphiphilic peptide, A3K, resembling a surfactant with a hydrophobic tail (A3) and a polar headgroup (K), is experimentally determined to form a membrane. Although the peptides are known to exist as β-strands, the exact packing architecture stabilizing the membrane is unknown. Earlier simulation studies have reported successful packing configurations through trial and error. In this work, we present a systematic protocol to identify the best peptide configurations for different packing patterns. The influence of stacking peptides in square and hexagonal packing geometry with the neighboring peptides in parallel and antiparallel orientations was explored. The best peptide configurations were determined from the free energy of bringing 2-4 peptides together as a bundle that can be stacked into a membrane. The stability of the assembled bilayer membrane was further investigated through molecular dynamics simulation. The role of peptide tilting, interpeptide distance, the nature and the extent of interactions, and the conformational degrees of freedom on the stability of the membrane is discussed. The consistency with the experimental findings suggests hexagonal antiparallel as the most relevant molecular architecture.
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Affiliation(s)
- Vidhya Ganesan
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600 036, India
| | - M Hamsa Priya
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600 036, India
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12
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Kaygisiz K, Rauch-Wirth L, Iscen A, Hartenfels J, Kremer K, Münch J, Synatschke CV, Weil T. Peptide Amphiphiles as Biodegradable Adjuvants for Efficient Retroviral Gene Delivery. Adv Healthc Mater 2024; 13:e2301364. [PMID: 37947246 DOI: 10.1002/adhm.202301364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 10/20/2023] [Indexed: 11/12/2023]
Abstract
Retroviral gene delivery is the key technique for in vitro and ex vivo gene therapy. However, inefficient virion-cell attachment resulting in low gene transduction efficacy remains a major challenge in clinical applications. Adjuvants for ex vivo therapy settings need to increase transduction efficiency while being easily removed or degraded post-transduction to prevent the risk of venous embolism after infusing the transduced cells back to the bloodstream of patients, yet no such peptide system have been reported thus far. In this study, peptide amphiphiles (PAs) with a hydrophobic fatty acid and a hydrophilic peptide moiety that reveal enhanced viral transduction efficiency are introduced. The PAs form β-sheet-rich fibrils that assemble into positively charged aggregates, promoting virus adhesion to the cell membrane. The block-type amphiphilic sequence arrangement in the PAs ensures efficient cell-virus interaction and biodegradability. Good biodegradability is observed for fibrils forming small aggregates and it is shown that via molecular dynamics simulations, the fibril-fibril interactions of PAs are governed by fibril surface hydrophobicity. These findings establish PAs as additives in retroviral gene transfer, rivalling commercially available transduction enhancers in efficiency and degradability with promising translational options in clinical gene therapy applications.
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Affiliation(s)
- Kübra Kaygisiz
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Lena Rauch-Wirth
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Aysenur Iscen
- Polymer Theory Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Jan Hartenfels
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Kurt Kremer
- Polymer Theory Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Christopher V Synatschke
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Tanja Weil
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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13
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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14
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Phungula A, Waddad AY, Fernandez Leyes MD, Di Gianvincenzo P, Espuche B, Zuffi S, Moya SE, Albericio F, de la Torre BG. Self-assembly of NrTP6 cell-penetrating lipo-peptide with variable number of lipid chains: Impact of phosphate ions on lipid association. J Colloid Interface Sci 2024; 654:124-133. [PMID: 37837849 DOI: 10.1016/j.jcis.2023.09.161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/14/2023] [Accepted: 09/27/2023] [Indexed: 10/16/2023]
Abstract
HYPOTHESIS Lipopeptides synthesized from the Nucleolar Targeting Peptide (NrTP6) with one, two or four dodecanoic fatty acid (FA) chains, display large head to tail volumes, which together with the number of lipid chains per molecule, impacts their self-assembly behavior. In phosphate buffer (PB), peptide to peptide interactions are triggered by the presence of phosphate ions that act as ionic crosslinkers, affecting the organization of the lipid assemblies. EXPERIMENTAL The NrTP6 lipopeptides were synthesized by the solid phase peptide synthesis technique. The critical micellar concentration (CMC) of the lipopeptides was determined in water and PB by pyrene fluorescence. The size and morphology of lipopeptide assemblies were characterized by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Circular dichroism (CD) was used to study the secondary structures of the lipopeptide assemblies. RESULTS For NrTP6 lipopeptides with two and four lipid chains, CMCs in water are larger than in PB. TEM images of the lipopeptide assemblies show different morphologies including fibers, rods, and spheres depending on the number of lipid chains, concentration and whether they are assembled in water or PB. CD spectroscopy shows that the peptide conformation, either random or beta, correlates with the morphology of the assemblies.
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Affiliation(s)
- Amanda Phungula
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa; Soft Matter Nanotechnology Laboratory, CIC biomaGUNE, San-Sebastian 20010, Spain
| | - Ayman Y Waddad
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa
| | - Marcos Daniel Fernandez Leyes
- Soft Matter Nanotechnology Laboratory, CIC biomaGUNE, San-Sebastian 20010, Spain; Instituto de Fisica del Sur (IFISUR-CONICET), Av. Alem 1253, Bahia Blanca 8000, Argentina
| | | | - Bruno Espuche
- Soft Matter Nanotechnology Laboratory, CIC biomaGUNE, San-Sebastian 20010, Spain; POLYMAT, Applied Chemistry Department, Faculty of Chemistry, University of the Basque Country, UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Guipúzcoa, Spain
| | - Sofia Zuffi
- Soft Matter Nanotechnology Laboratory, CIC biomaGUNE, San-Sebastian 20010, Spain
| | - Sergio Enrique Moya
- Soft Matter Nanotechnology Laboratory, CIC biomaGUNE, San-Sebastian 20010, Spain.
| | - Fernando Albericio
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa; CIBER-BBN and Department of Organic Chemistry, University of Barcelona, Barcelona 08001, Spain
| | - Beatriz G de la Torre
- Peptide Science Laboratory, School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4001, South Africa; KRISP, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban 4001, South Africa.
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15
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Alvero-Gonzalez LM, Aurora Perini D, Queralt-Martín M, Perálvarez-Marín A, Viñas C, Alcaraz A. Probing electrophysiological activity of amphiphilic Dynorphin A in planar neutral membranes reveals both ion channel-like activity and neuropeptide translocation. Bioelectrochemistry 2023; 154:108527. [PMID: 37531663 DOI: 10.1016/j.bioelechem.2023.108527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/10/2023] [Accepted: 07/26/2023] [Indexed: 08/04/2023]
Abstract
Dynorphin A (DynA) is an endogenous neuropeptide that besides acting as a ligand of the κ-opioid receptor, presents some non-opioid pathophysiological properties associated to its ability to induce cell permeability similarly to cell-penetrating peptides (CPPs). Here, we use electrophysiology experiments to show that amphiphilic DynA generates aqueous pores in neutral membranes similar to those reported previously in charged membranes, but we also find other events thermodynamically incompatible with voltage-driven ion channel activity (i.e. non-zero currents with no applied voltage in symmetric salt conditions, reversal potentials that exceed the theoretical limit for a given salt concentration gradient). By comparison with current traces generated by other amphiphilic molecule known to spontaneously cross membranes, we hypothesize that DynA could directly translocate across neutral bilayers, a feature never observed in charged membranes following the same electrophysiological protocol. Our findings suggest that DynA interaction with the cellular membrane is modulated by the lipid charge distribution, enabling either passive ionic transport via membrane remodeling and pore formation or by peptide direct internalization independent of cellular transduction pathways.
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Affiliation(s)
- Laidy M Alvero-Gonzalez
- Laboratory of Molecular Biophysics, Department of Physics, University Jaume I, 12071 Castellón, Spain
| | - D Aurora Perini
- Laboratory of Molecular Biophysics, Department of Physics, University Jaume I, 12071 Castellón, Spain
| | - María Queralt-Martín
- Laboratory of Molecular Biophysics, Department of Physics, University Jaume I, 12071 Castellón, Spain
| | - Alex Perálvarez-Marín
- Biophysics Unit, Department of Biochemistry and Molecular Biology, School of Medicine, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain; Institute of Neuroscience, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès, Spain.
| | - Clara Viñas
- Institut de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Antonio Alcaraz
- Laboratory of Molecular Biophysics, Department of Physics, University Jaume I, 12071 Castellón, Spain.
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16
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Abstract
The formation of amyloid fibrils is a complex phenomenon that remains poorly understood at the atomic scale. Herein, we perform extended unbiased all-atom simulations in explicit solvent of a short amphipathic peptide to shed light on the three mechanisms accounting for fibril formation, namely, nucleation via primary and secondary mechanisms, and fibril growth. We find that primary nucleation takes place via the formation of an intermediate state made of two laminated β-sheets oriented perpendicular to each other. The amyloid fibril spine subsequently emerges from the rotation of these β-sheets to account for peptides that are parallel to each other and perpendicular to the main axis of the fibril. Growth of this spine, in turn, takes place via a dock-and-lock mechanism. We find that peptides dock onto the fibril tip either from bulk solution or after diffusing on the fibril surface. The latter docking pathway contributes significantly to populate the fibril tip with peptides. We also find that side chain interactions drive the motion of peptides in the lock phase during growth, enabling them to adopt the structure imposed by the fibril tip with atomic fidelity. Conversely, the docked peptide becomes trapped in a local free energy minimum when docked-conformations are sampled randomly. Our simulations also highlight the role played by nonpolar fibril surface patches in catalyzing and orienting the formation of small cross-β structures. More broadly, our simulations provide important new insights into the pathways and interactions accounting for primary and secondary nucleation as well as the growth of amyloid fibrils.
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Affiliation(s)
- Sharareh Jalali
- Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102-1982, United States
| | - Ruoyao Zhang
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Mikko P Haataja
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, United States
- Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544, United States
| | - Cristiano L Dias
- Department of Physics, New Jersey Institute of Technology, Newark, New Jersey 07102-1982, United States
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17
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Umesh, Bera S, Bhattacharya S. Dual Circularly Polarized Luminescence (CPL) and Piezoelectric Responses in Self-Assembled Chiral Nanostructures Derived from a Dipeptide Based Piezorganogel. Small 2023:e2308104. [PMID: 37955918 DOI: 10.1002/smll.202308104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/17/2023] [Indexed: 11/14/2023]
Abstract
Next-generation medical and consumer electrical devices require soft, flexible materials. Piezoelectric materials, capable of converting mechanical stress into electrical energy, are of interest across various fields. Chiral nanostructures, with inherent chirality, have emerged as potential piezoelectric materials. Peptide-based materials, known for self-assembly and stimuli responsiveness, hold promise for the utilization of chiral nanostructures. When combined with luminescent chromophores, peptides can generate aggregation-induced chiroptical effects like Circularly Polarized Luminescence (CPL) and Circular Dichroism (CD). In this study, a chiral organogel, L,L-1 is synthesized, and its self-assembly, mechanical properties, and chiroptical features are examined. The organogel exhibits thermo-reversible and thixotropic behavior, forming fibrillar networks and 2D-sheets upon cooling. CD spectroscopy reveals aggregation-induced chirality on pyrene chromophore, resulting in CPL with glum values of 3.0 (± 0.2) × 10-3 and 3.1 (± 0.2) × 10-3 for L,L-1 and D,D-1, respectively. Notably, the 2D-sheets exhibit an enhanced piezoelectric response (d33 ≈76.0 pm V-1 ) compared to the fibrillar network (d33 ≈64.1 pm V-1 ). Introducing an electron-deficient molecule into the solution forms a Charge-transfer (CT) complex, modulating the piezoelectric response to d33 ≈52.44 pm V-1 . This study offers a promising approach to optoelectronics design, presenting a chiral system with both CPL and piezoelectric responses, opening new possibilities for innovative applications.
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Affiliation(s)
- Umesh
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India
| | - Sayan Bera
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India
| | - Santanu Bhattacharya
- School of Applied and Interdisciplinary Sciences, Indian Association for the Cultivation of Science, Kolkata, 700032, India
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
- Technical Research Centre, Indian Association for the Cultivation of Science, Kolkata, 700032, India
- Department of Chemistry, Indian Institute of Science Education and Research, Tirupati, 517619, India
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18
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Lan X, Zhong J, Huang R, Liu Y, Ma X, Li X, Zhao D, Qing G, Zhang Y, Liu L, Wang J, Ma X, Luo T, Guo W, Wang Y, Li LL, Su YX, Liang XJ. Conformation Dependent Architectures of Assembled Antimicrobial Peptides with Enhanced Antimicrobial Ability. Adv Healthc Mater 2023; 12:e2301688. [PMID: 37540835 DOI: 10.1002/adhm.202301688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/19/2023] [Indexed: 08/06/2023]
Abstract
Antimicrobial peptides (AMPs) are a developing class of natural and synthetic oligopeptides with host defense mechanisms against a broad spectrum of microorganisms. With in-depth research on the structural conformations of AMPs, synthesis or modification of peptides has shown great potential in effectively obtaining new therapeutic agents with improved physicochemical and biological properties. Notably, AMPs with self-assembled properties have gradually become a hot research topic for various biomedical applications. Compared to monomeric peptides, these peptides can exist in diverse forms (e.g., nanoparticles, nanorods, and nanofibers) and possess several advantages, such as high stability, good biocompatibility, and potent biological functions, after forming aggregates under specific conditions. In particular, the stability and antibacterial property of these AMPs can be modulated by rationally regulating the peptide sequences to promote self-assembly, leading to the reconstruction of molecular structure and spatial orientation while introducing some peptide fragments into the scaffolds. In this work, four self-assembled AMPs are developed, and the relationship between their chemical structures and antibacterial activity is explored extensively through different experiments. Importantly, the evaluation of antibacterial performance in both in vitro and in vivo studies has provided a general guide for using self-assembled AMPs in subsequent treatments for combating bacterial infections.
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Affiliation(s)
- Xinmiao Lan
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, School of Pharmaceutical Science, Capital Medical University, Beijing, 100069, China
- Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, 999077, China
| | - Jie Zhong
- Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, 999077, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Regina Huang
- Discipline of Periodontology, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, 999077, China
| | - Yuhan Liu
- Department of Stomatology, Aviation General Hospital of China Medical University and Beijing Institute of Translational Medicine, Chinese Academy of Science, Beijing, 100012, China
| | - Xiaowei Ma
- National Center for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Xuan Li
- Discipline of Periodontology, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, 999077, China
| | - Dan Zhao
- Beijing Institute of Dental Research, Beijing Stomatological Hospital, Capital Medical University, Beijing, 100069, China
| | - Guangchao Qing
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
| | - Yuxuan Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Lu Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinjin Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xu Ma
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ting Luo
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
| | - Weisheng Guo
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
| | - Yuji Wang
- Beijing Area Major Laboratory of Peptide and Small Molecular Drugs, Engineering Research Center of Ministry of Education of China, Beijing Laboratory of Biomedical Materials, School of Pharmaceutical Science, Capital Medical University, Beijing, 100069, China
| | - Li-Li Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yu-Xiong Su
- Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, 999077, China
| | - Xing-Jie Liang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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19
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Ciulla MG, Massironi A, Sugni M, Ensign MA, Marzorati S, Forouharshad M. Recent Advances in the Development of Biomimetic Materials. Gels 2023; 9:833. [PMID: 37888406 PMCID: PMC10606425 DOI: 10.3390/gels9100833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023] Open
Abstract
In this review, we focused on recent efforts in the design and development of materials with biomimetic properties. Innovative methods promise to emulate cell microenvironments and tissue functions, but many aspects regarding cellular communication, motility, and responsiveness remain to be explained. We photographed the state-of-the-art advancements in biomimetics, and discussed the complexity of a "bottom-up" artificial construction of living systems, with particular highlights on hydrogels, collagen-based composites, surface modifications, and three-dimensional (3D) bioprinting applications. Fast-paced 3D printing and artificial intelligence, nevertheless, collide with reality: How difficult can it be to build reproducible biomimetic materials at a real scale in line with the complexity of living systems? Nowadays, science is in urgent need of bioengineering technologies for the practical use of bioinspired and biomimetics for medicine and clinics.
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Affiliation(s)
- Maria G. Ciulla
- Department of Chemistry, Università degli Studi di Milano, Via C. Golgi 19, 20133 Milan, Italy
| | - Alessio Massironi
- Department of Environmental Science and Policy, Università degli Studi di Milano, Via Celoria 2, 20133 Milan, Italy
| | - Michela Sugni
- Department of Environmental Science and Policy, Università degli Studi di Milano, Via Celoria 2, 20133 Milan, Italy
| | - Matthew A. Ensign
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Stefania Marzorati
- Department of Environmental Science and Policy, Università degli Studi di Milano, Via Celoria 2, 20133 Milan, Italy
| | - Mahdi Forouharshad
- Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
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20
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Bhattacharya T, Preetam S, Ghosh B, Chakrabarti T, Chakrabarti P, Samal SK, Thorat N. Advancement in Biopolymer Assisted Cancer Theranostics. ACS Appl Bio Mater 2023; 6:3959-3983. [PMID: 37699558 PMCID: PMC10583232 DOI: 10.1021/acsabm.3c00458] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023]
Abstract
Applications of nanotechnology have increased the importance of research and nanocarriers, which have revolutionized the method of drug delivery to treat several diseases, including cancer, in the past few years. Cancer, one of the world's fatal diseases, has drawn scientists' attention for its multidrug resistance to various chemotherapeutic drugs. To minimize the side effects of chemotherapeutic agents on healthy cells and to develop technological advancement in drug delivery systems, scientists have developed an alternative approach to delivering chemotherapeutic drugs at the targeted site by integrating it inside the nanocarriers like synthetic polymers, nanotubes, micelles, dendrimers, magnetic nanoparticles, quantum dots (QDs), lipid nanoparticles, nano-biopolymeric substances, etc., which has shown promising results in both preclinical and clinical trials of cancer management. Besides that, nanocarriers, especially biopolymeric nanoparticles, have received much attention from researchers due to their cost-effectiveness, biodegradability, treatment efficacy, and ability to target drug delivery by crossing the blood-brain barrier. This review emphasizes the fabrication processes, the therapeutic and theragnostic applications, and the importance of different biopolymeric nanocarriers in targeting cancer both in vitro and in vivo, which conclude with the challenges and opportunities of future exploration using biopolymeric nanocarriers in onco-therapy with improved availability and reduced toxicity.
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Affiliation(s)
- Tanima Bhattacharya
- Department
of Food and Nutrition, College of Human Ecology, Kyung Hee University, 26 Kyunghee-daero, Dongdaemun-gu, Seoul 02447, Republic
of Korea
- Nondestructive
Bio-Sensing Laboratory, Dept. of Biosystems Machinery Engineering,
College of Agriculture and Life Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Subham Preetam
- Centre
for Biotechnology, Siksha O Anusandhan (Deemed
to be University), Bhubaneswar 751024, Odisha, India
- Daegu
Gyeongbuk Institute of Science & Technology (DGIST), Daegu 42988, Republic of Korea
| | - Basab Ghosh
- KIIT
School of Biotechnology, Kalinga Institute
of Industrial Technology (KIIT-DU), Bhubaneswar 751024, Odisha, India
| | - Tulika Chakrabarti
- Department
of Chemistry, Sir Padampat Singhania University, Bhatewar, Udaipur 313601, Rajasthan, India
| | | | - Shailesh Kumar Samal
- Section of
Immunology and Chronic Disease, Institute of Environmental Medicine, Karolinska Institutet, Stockholm 171 77, Sweden
| | - Nanasaheb Thorat
- Nuffield
Department of Women’s & Reproductive Health, Medical Science
Division, John Radcliffe Hospital University
of Oxford, Oxford OX3 9DU, United Kingdom
- Department
of Physics, Bernal Institute and Limerick Digital Cancer Research
Centre (LDCRC), University of Limerick, Castletroy, Limerick V94T9PX, Ireland
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21
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Pilz M, Cavelius P, Qoura F, Awad D, Brück T. Lipopeptides development in cosmetics and pharmaceutical applications: A comprehensive review. Biotechnol Adv 2023; 67:108210. [PMID: 37460047 DOI: 10.1016/j.biotechadv.2023.108210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 07/05/2023] [Accepted: 07/09/2023] [Indexed: 07/25/2023]
Abstract
Lipopeptides are surface active, natural products of bacteria, fungi and green-blue algae origin, having diverse structures and functionalities. In analogy, a number of chemical synthesis techniques generated new designer lipopeptides with desirable features and functions. Lipopetides are self-assembly guided, supramolecular compounds which have the capacity of high-density presentation of the functional epitopes at the surface of the nanostructures. This feature contributes to their successful application in several industry sectors, including food, feed, personal care, and pharmaceutics. In this comprehensive review, the novel class of ribosomally synthesized lipopeptides is introduced alongside the more commonly occuring non-ribosomal lipopeptides. We highlight key representatives of the most researched as well as recently described lipopeptide families, with emphasis on structural features, self-assembly and associated functions. The common biological, chemical and hybrid production routes of lipopeptides, including prominent analogues and derivatives are also discussed. Furthermore, genetic engineering strategies aimed at increasing lipopeptide yields, diversity and biological activity are summarized and exemplified. With respect to application, this work mainly details the potential of lipopeptides in personal care and cosmetics industry as cleansing agents, moisturizer, anti-aging/anti-wrinkling, skin whitening and preservative agents as well as the pharmaceutical industry as anitimicrobial agents, vaccines, immunotherapy, and cancer drugs. Given that this review addresses human applications, we conclude on the topic of safety of lipopeptide formulations and their sustainable production.
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Affiliation(s)
- Melania Pilz
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Philipp Cavelius
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Farah Qoura
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Dania Awad
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany.
| | - Thomas Brück
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany.
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22
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Vicente-Garcia C, Colomer I. Lipopeptides as tools in catalysis, supramolecular, materials and medicinal chemistry. Nat Rev Chem 2023; 7:710-731. [PMID: 37726383 DOI: 10.1038/s41570-023-00532-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2023] [Indexed: 09/21/2023]
Abstract
Lipopeptides are amphiphilic peptides in which an aliphatic chain is attached to either the C or N terminus of peptides. Their self-assembly - into micelles, vesicles, nanotubes, fibres or nanobelts - leads to applications in nanotechnology, catalysis or medicinal chemistry. Self-organization of lipopeptides is dependent on both the length of the lipid tail and the amino acid sequence, in which the chirality of the peptide sequence can be transmitted into the supramolecular species. This Review describes the use of lipopeptides to design synthetic advanced dynamic supramolecular systems, nanostructured materials or self-responsive delivery systems in the area of medical biotechnology. We examine the influence of external stimuli, the ability of lipopeptide-derived structures to adapt over time and their application as medicinal agents with antibacterial, antifungal, antiviral or anticancer activities. Finally, we discuss the catalytic efficiency of lipopeptides, with the aim of building minimal synthetic enzymes, and recent efforts to incorporate metals into lipopeptide assemblies.
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Affiliation(s)
| | - Ignacio Colomer
- IMDEA-Nanociencia, Madrid, Spain.
- Instituto de Química Orgánica General (IQOG-CSIC), Madrid, Spain.
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23
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Ricardo MG, Seeberger PH. Merging Solid-Phase Peptide Synthesis and Automated Glycan Assembly to Prepare Lipid-Peptide-Glycan Chimeras. Chemistry 2023; 29:e202301678. [PMID: 37358020 DOI: 10.1002/chem.202301678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 06/24/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
Biomaterials with improved biological features can be obtained by conjugating glycans to nanostructured peptides. Creating peptide-glycan chimeras requires superb chemoselectivity. We expedite access to such chimeras by merging peptide and glycan solid-phase syntheses employing a bifunctional monosaccharide. The concept was explored in the context of the on-resin generation of a model α(1→6)tetramannoside linked to peptides, lipids, steroids, and adamantane. Chimeras containing a β(1→6)tetraglucoside and self-assembling peptides such as FF, FFKLVFF, and the amphiphile palmitoyl-VVVAAAKKK were prepared in a fully automated manner. The robust synthetic protocol requires a single purification step to obtain overall yields of about 20 %. The β(1→6)tetraglucoside FFKLVFF chimera produces micelles rather than nanofibers formed by the peptide alone as judged by microscopy and circular dichroism. The peptide amphiphile-glycan chimera forms a disperse fiber network, creating opportunities for new glycan-based nanomaterials.
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Affiliation(s)
- Manuel G Ricardo
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck-Institute of Colloids and Interfaces, Am Muehlenberg 1, 14476, Potsdam, Germany
- Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, Arnimallee 22, 14195, Berlin, Germany
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24
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Keever JM, Banzon PD, Hales MK, Sargent AL, Allen WE. Association between N-Terminal Pyrenes Stabilizes the Collagen Triple Helix. J Org Chem 2023; 88:11885-11894. [PMID: 37531574 DOI: 10.1021/acs.joc.3c01175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Collagen model peptides featuring the fluorophore pyrene at their N-termini have been synthesized, and their thermal denaturation has been examined using circular dichroism (CD) and fluorescence spectroscopies. Flanking the (Pro-Hyp-Gly)7 core of the peptide monomers at positions 1 and/or 23 in the primary sequence, Lys residues were introduced to ensure water solubility. Triple helices derived from such peptides show a broad excimer emission at ∼480 nm, indicative of interaction between the pyrene units. CD experiments show that the fluorophores enhance helix stability primarily through entropic effects. Unfolding temperatures (Tm) increase by up to 7 °C for systems with N-terminal lysine residues and by up to 21 °C for systems in which the first-position Lys is replaced by Ala. Tm values derived from fluorescence measurements (at 50 μM) typically lie within ∼1 °C of those obtained using CD (at 200 μM). Computational modeling in a water continuum using B3LYP-GD3 and M06-2X functionals predicts that face-to-face association of fluorophores can occur while H-bonding within the [(POG)n]3 assembly is retained. Such parallel stacking is consistent with hydrophobically driven stabilization. Labeling collagen peptides with pyrene is a synthetically simple way to promote triple helicity while providing a means to obtain Tm data on relatively dilute samples.
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Affiliation(s)
- Jared M Keever
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Patrick D Banzon
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Megan K Hales
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - Andrew L Sargent
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
| | - William E Allen
- Department of Chemistry, Science and Technology Building, East Carolina University, Greenville, North Carolina 27858-4353, United States
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25
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Hamley IW, Castelletto V. Small-angle scattering techniques for peptide and peptide hybrid nanostructures and peptide-based biomaterials. Adv Colloid Interface Sci 2023; 318:102959. [PMID: 37473606 DOI: 10.1016/j.cis.2023.102959] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/22/2023]
Abstract
The use of small-angle scattering (SAS) in the study of the self-assembly of peptides and peptide conjugates (lipopeptides, polymer-peptide conjugates and others) is reviewed, highlighting selected research that illustrates different methods and analysis techniques. Both small-angle x-ray scattering (SAXS) and small-angle neutron scattering (SANS) are considered along with examples that exploit their unique capabilities. For SAXS, this includes the ability to perform rapid measurements enabling high throughput or fast kinetic studies and measurements under dilute conditions. For SANS, contrast variation using H2O/D2O mixtures enables the study of peptides interacting with lipids and TR-SANS (time-resolved SANS) studies of exchange kinetics and/or peptide-induced structural changes. Examples are provided of studies measuring form factors of different self-assembled structures (micelles, fibrils, nanotapes, nanotubes etc) as well as structure factors from ordered phases (lyotropic mesophases), peptide gels and hybrid materials such as membranes formed by mixing peptides with polysaccharides or peptide/liposome mixtures. SAXS/WAXS (WAXS: wide-angle x-ray scattering) on peptides and peptide hybrids is also discussed, and the review concludes with a perspective on potential future directions for research in the field.
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Affiliation(s)
- Ian W Hamley
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, UK.
| | - Valeria Castelletto
- Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, UK
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26
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Yang S, Wang M, Wang T, Sun M, Huang H, Shi X, Duan S, Wu Y, Zhu J, Liu F. Self-assembled short peptides: Recent advances and strategies for potential pharmaceutical applications. Mater Today Bio 2023; 20:100644. [PMID: 37214549 PMCID: PMC10199221 DOI: 10.1016/j.mtbio.2023.100644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/10/2023] [Accepted: 04/23/2023] [Indexed: 05/24/2023] Open
Abstract
Self-assembled short peptides have intrigued scientists due to the convenience of synthesis, good biocompatibility, low toxicity, inherent biodegradability and fast response to change in the physiological environment. Therefore, it is necessary to present a comprehensive summary of the recent advances in the last decade regarding the construction, route of administration and application of self-assembled short peptides based on the knowledge on their unique and specific ability of self-assembly. Herein, we firstly explored the molecular mechanisms of self-assembly of short peptides, such as non-modified amino acids, as well as Fmoc-modified, N-functionalized, and C-functionalized peptides. Next, cell penetration, fusion, and peptide targeting in peptide-based drug delivery were characterized. Then, the common administration routes and the potential pharmaceutical applications (drug delivery, antibacterial activity, stabilizers, imaging agents, and applications in bioengineering) of peptide drugs were respectively summarized. Last but not least, some general conclusions and future perspectives in the relevant fields were briefly listed. Although with certain challenges, great opportunities are offered by self-assembled short peptides to the fascinating area of drug development.
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Affiliation(s)
- Shihua Yang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
- Department of Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110102, China
| | - Mingge Wang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Tianye Wang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
- Department of Anus and Intestine Surgery, The First Hospital of Dalian Medical University, Dalian, 116000, China
| | - Mengchi Sun
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Hanwei Huang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
- Department of Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110102, China
| | - Xianbao Shi
- Department of Pharmacy, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China
| | - Shijie Duan
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
- Department of Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110102, China
| | - Ying Wu
- Department of Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110102, China
| | - Jiaming Zhu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
| | - Funan Liu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors, China Medical University, Ministry of Education, Shenyang, 110001, China
- Department of Phase I Clinical Trials Center, The First Hospital of China Medical University, Shenyang, 110102, China
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27
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Wang Y, Geng Q, Zhang Y, Adler-Abramovich L, Fan X, Mei D, Gazit E, Tao K. Fmoc-diphenylalanine gelating nanoarchitectonics: A simplistic peptide self-assembly to meet complex applications. J Colloid Interface Sci 2023; 636:113-133. [PMID: 36623365 DOI: 10.1016/j.jcis.2022.12.166] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/19/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023]
Abstract
9-fluorenylmethoxycarbonyl-diphenylalanine (Fmoc-FF), has been has been extensively explored due to its ultrafast self-assembly kinetics, inherent biocompatibility, tunable physicochemical properties, and especially, the capability of forming self-sustained gels under physiological conditions. Consequently, various methodologies to develop Fmoc-FF gels and their corresponding applications in biomedical and industrial fields have been extensively studied. Herein, we systemically summarize the mechanisms underlying Fmoc-FF self-assembly, discuss the preparation methodologies of Fmoc-FF hydrogels, and then deliberate the properties as well as the diverse applications of Fmoc-FF self-assemblies. Finally, the contemporary shortcomings which limit the development of Fmoc-FF self-assembly are raised and the alternative solutions are proposed, along with future research perspectives.
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Affiliation(s)
- Yunxiao Wang
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311200, China; Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, Hangzhou 311200, China
| | - Qiang Geng
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311200, China
| | - Yan Zhang
- Centre for Bioengineering and Biotechnology, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Qingdao 266580, China
| | - Lihi Adler-Abramovich
- Department of Oral Biology, The Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel; The Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel; Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, Hangzhou 311200, China.
| | - Xinyuan Fan
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, Hangzhou 311200, China
| | - Deqing Mei
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ehud Gazit
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, 6997801 Tel Aviv, Israel; Department of Materials Science and Engineering, Iby and Aladar Fleischman, Tel Aviv University, 6997801 Tel Aviv, Israel; Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, Hangzhou 311200, China.
| | - Kai Tao
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311200, China; Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China; Zhejiang-Israel Joint Laboratory of Self-Assembling Functional Materials, Hangzhou 311200, China.
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28
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Sheehan FK, Wang H, Podbevšek D, Naranjo E, Rivera-Cancel J, Moran C, Ulijn RV, Chen X. Aromatic Zipper Topology Dictates Water-Responsive Actuation in Phenylalanine-Based Crystals. Small 2023:e2207773. [PMID: 36971275 DOI: 10.1002/smll.202207773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Water-responsive (WR) materials that reversibly deform in response to relative humidity (RH) changes are gaining increasing interest for their potential in energy harvesting and soft robotics applications. Despite progress, there are significant gaps in the understanding of how supramolecular structure underpins the reconfiguration and performance of WR materials. Here, three crystals are compared based on the amino acid phenylalanine (F) that contain water channels and F packing domains that are either layered (F), continuously connected (phenylalanyl-phenylalanine, FF), or isolated (histidyl-tyrosyl-phenylalanine, HYF). Hydration-induced reconfiguration is analyzed through changes in hydrogen-bond interactions and aromatic zipper topology. F crystals show the greatest WR deformation (WR energy density of 19.8 MJ m-3 ) followed by HYF (6.5 MJ m-3 ), while FF exhibits no observable response. The difference in water-responsiveness strongly correlates to the deformability of aromatic regions, with FF crystals being too stiff to deform, whereas HYF is too soft to efficiently transfer water tension to external loads. These findings reveal aromatic topology design rules for WR crystals and provide insight into general mechanisms of high-performance WR actuation. Moreover, the best-performing crystal, F emerges as an efficient WR material for applications at scale and low cost.
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Affiliation(s)
- Fahmeed K Sheehan
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Haozhen Wang
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Ph.D. Program in Physics, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
| | - Darjan Podbevšek
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
| | - Elma Naranjo
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Department of Chemical Engineering, The City College of New York, 275 Convent Ave, New York, NY, 10031, USA
| | - Janel Rivera-Cancel
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
| | - Cooper Moran
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Rein V Ulijn
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
- Department of Chemistry, Hunter College, 695 Park Ave, New York, NY, 10065, USA
| | - Xi Chen
- Advanced Science Research Center (ASRC) at the Graduate Center of the City University of New York, 85 St. Nicholas Terrace, New York, NY, 10031, USA
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
- Ph.D. Program in Physics, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY, 10016, USA
- Department of Chemical Engineering, The City College of New York, 275 Convent Ave, New York, NY, 10031, USA
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29
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Zouhir A, Souiai O, Harigua E, Cherif A, Chaalia AB, Sebei K. ANTIPSEUDOBASE: Database of Antimicrobial Peptides and Essential Oils Against Pseudomonas. Int J Pept Res Ther 2023. [DOI: 10.1007/s10989-023-10511-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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30
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Sun W, Gregory DA, Zhao X. Designed peptide amphiphiles as scaffolds for tissue engineering. Adv Colloid Interface Sci 2023; 314:102866. [PMID: 36898186 DOI: 10.1016/j.cis.2023.102866] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023]
Abstract
Peptide amphiphiles (PAs) are peptide-based molecules that contain a peptide sequence as a head group covalently conjugated to a hydrophobic segment, such as lipid tails. They can self-assemble into well-ordered supramolecular nanostructures such as micelles, vesicles, twisted ribbons and nanofibers. In addition, the diversity of natural amino acids gives the possibility to produce PAs with different sequences. These properties along with their biocompatibility, biodegradability and a high resemblance to native extracellular matrix (ECM) have resulted in PAs being considered as ideal scaffold materials for tissue engineering (TE) applications. This review introduces the 20 natural canonical amino acids as building blocks followed by highlighting the three categories of PAs: amphiphilic peptides, lipidated peptide amphiphiles and supramolecular peptide amphiphile conjugates, as well as their design rules that dictate the peptide self-assembly process. Furthermore, 3D bio-fabrication strategies of PAs hydrogels are discussed and the recent advances of PA-based scaffolds in TE with the emphasis on bone, cartilage and neural tissue regeneration both in vitro and in vivo are considered. Finally, future prospects and challenges are discussed.
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Affiliation(s)
- Weizhen Sun
- School of Pharmacy, Changzhou University, Changzhou 213164, China; Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
| | - David Alexander Gregory
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK; Department of Material Science and Engineering, University of Sheffield, Sheffield S3 7HQ, UK
| | - Xiubo Zhao
- School of Pharmacy, Changzhou University, Changzhou 213164, China; Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK.
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31
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Xu Q, Li X, Yang J, Zhang Y, Deng X, Li G, Yuan Q. Naphthyl-Poly(S-((2-carboxyethyl)thio)-l-cysteine) Peptide Amphiphiles with Different Degrees of Polymerization: Synthesis, Self-Assembly, pH/Reduction-Triggered Drug Release, and Cytotoxicity. Mol Pharm 2023; 20:1256-1268. [PMID: 36648435 DOI: 10.1021/acs.molpharmaceut.2c00925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Four peptide amphiphiles (PA1-4) with different degrees of polymerization (DP = 40, 15, 10, and 6) were synthesized by Fuchs-Farthing and ring-opening polymerization followed by post-polymerization modification, as fully characterized by 1H NMR, FT-IR, gel permeation chromatography, and circular dichroism (CD) spectroscopy. It was found that PAs could self-assemble to form regular spherical micelles in low-concentration (about 1 mg/mL) aqueous solution, which had different contents of secondary structures and mainly adopted random coil conformations. The water solubility of PAs increases with the increase of DP, the polypeptide chain stretches randomly in water, the β-sheets decrease, and the random coil conformations dominate. When the pH of PA solution decreases or increases, intramolecular hydrogen bonds break, and molecular chains stretch, leading to a decrease of α-helix, turn conformations, and an increase of β-sheets. Meanwhile, the particle size of micelles increases. At around 0.4 mg/mL, the hemolysis ability of PA2 is negligible at pH 7.4 and 6.5 and about 33% at pH 5.5. Cisplatin (CDDP) was linked to micelles by coordination bonds to explore their potential as drug carriers, exhibiting controlled pH and reduction in dual drug release effects. MTT assay showed that the HeLa cell viability was 78% when cultured in the 13.5 μg/mL PA2 blank micelles for 2 days, while the cell viability was 60% in the CDDP-loaded micelles. Furthermore, a high concentration of PA2 (about 100 mg/mL) could self-assemble into a fibrous hydrogel at pH 5.5, which self-healed 2 h after incision and self-degraded 71% within 14 days. The CDDP-loaded fiber hydrogel exhibited a sustained release effect similar to the CDDP-loaded micelles. The cytotoxicity of CDDP-loaded fibers at 48 h was detected to be the same as that of the same amount of CDDP, and the cell viability was 7%. Therefore, we provide a new strategy for the synthesis of amphiphilic peptides with potential applications in nano-drug carriers and cancer therapy.
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Affiliation(s)
- Qinming Xu
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
| | - Xing Li
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
| | - Jingang Yang
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
| | - Yan Zhang
- School of Chemical Science and Engineering, Yunnan University, Kunming650091, PR China
| | - Xiaocui Deng
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
| | - Gang Li
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
| | - Qingmei Yuan
- School of Materials and Energy, National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming650091, PR China
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32
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Abstract
The self-assembly and structural and functional properties of peptide conjugates containing bulky terminal aromatic substituents are reviewed with a particular focus on bioactivity. Terminal moieties include Fmoc [fluorenylmethyloxycarbonyl], naphthalene, pyrene, naproxen, diimides of naphthalene or pyrene, and others. These provide a driving force for self-assembly due to π-stacking and hydrophobic interactions, in addition to the hydrogen bonding, electrostatic, and other forces between short peptides. The balance of these interactions leads to a propensity to self-assembly, even for conjugates to single amino acids. The hybrid molecules often form hydrogels built from a network of β-sheet fibrils. The properties of these as biomaterials to support cell culture, or in the development of molecules that can assemble in cells (in response to cellular enzymes, or otherwise) with a range of fascinating bioactivities such as anticancer or antimicrobial activity, are highlighted. In addition, applications of hydrogels as slow-release drug delivery systems and in catalysis and other applications are discussed. The aromatic nature of the substituents also provides a diversity of interesting optoelectronic properties that have been demonstrated in the literature, and an overview of this is also provided. Also discussed are coassembly and enzyme-instructed self-assembly which enable precise tuning and (stimulus-responsive) functionalization of peptide nanostructures.
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33
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X de Andrade D, Colherinhas G. Polar Zipper on a Peptide Nanomembrane: A Characterization by Potential of Mean Force. J Phys Chem B 2023; 127:228-235. [PMID: 36548131 DOI: 10.1021/acs.jpcb.2c07135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In this work, nanomembranes formed by the I3XGK (X = Q, S, or N) polar peptides are studied to characterize the average force and energy required to separate two neighboring β-sheets laterally joined by polar zippers. The results presented are obtained using a methodology (state of the art) involving the pulling umbrella method to generate the samples (umbrella sampling) and the potential of mean force (PMF) to evaluate the energetic variation evolved in the process of separating the polar zipper. It was observed that the maximum force required to separate the regions linked by polar zippers is 1.48 kJ/mol nm for the I3NGK nanomembrane and 1.22 kJ/mol nm [1.30 kJ/mol nm] for the I3QGK [I3SGK] nanomembranes, emphasizing that polar zippers play an important role in the interaction that interconnects β-sheets in broad and robust two-dimensional structures (tapes and membranes), offering an agile route to the construction of distinct nanomaterials from β-sheets. Also, negative values were obtained for energy as a function of the reaction coordinate for the regions where the formation of polar zippers occurs, showing that the lateral union of neighboring β-sheets is energetically favorable, with a value up to -3.0 kJ/mol, in the case of I3NGK nanomembranes.
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Affiliation(s)
- Douglas X de Andrade
- Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Aparecida de Goiânia, GO74968-755, Brazil
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La Manna S, Florio D, Di Natale C, Marasco D. Modulation of hydrogel networks by metal ions. J Pept Sci 2022:e3474. [PMID: 36579727 DOI: 10.1002/psc.3474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 12/30/2022]
Abstract
Self-assembling hydrogels are receiving great attention for both biomedical and technological applications. Self-assembly of protein/peptides as well as organic molecules is commonly induced in response to external triggers such as changes of temperature, concentration, or pH. An interesting strategy to modulate the morphology and mechanical properties of the gels implies the use of metal ions, where coordination bonds regulate the dynamic cross-linking in the construction of hydrogels, and coordination geometries, catalytic, and redox properties of metal ions play crucial roles. This review aims to discuss recent insights into the supramolecular assembly of hydrogels involving metal ions, with a focus on self-assembling peptides, as well as applications of metallogels in biomedical fields including tissue engineering, sensing, wound healing, and drug delivery.
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Affiliation(s)
- Sara La Manna
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Daniele Florio
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
| | - Concetta Di Natale
- Department of Chemical, Materials and Production Engineering, University of Naples "Federico II", Naples, Italy.,Center for Advanced Biomaterials for Healthcare@CRIB, Istituto Italiano di Tecnologia (IIT), Naples, Italy
| | - Daniela Marasco
- Department of Pharmacy, University of Naples "Federico II", Naples, Italy
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35
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Baltutis V, O'Leary PD, Martin LL. Self-Assembly of Linear, Natural Antimicrobial Peptides: An Evolutionary Perspective. Chempluschem 2022; 87:e202200240. [PMID: 36198638 DOI: 10.1002/cplu.202200240] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/29/2022] [Indexed: 01/31/2023]
Abstract
Antimicrobial peptides are an ancient and innate system of host defence against a wide range of microbial assailants. Mechanistically, unstructured peptides undergo a secondary structure transition into amphipathic α-helices, upon contact with membrane surfaces. This leads to peptide binding and removal of the membrane components in a detergent-like manner or via self-organisation into trans-membrane pores (either barrel-stave or toroidal pore) thereby destroying the microbe. Self-assembly of antimicrobial peptides into oligomers and ultimately amyloid has been mostly examined in parallel, however recent findings link diseases, such as Alzheimer's disease as an aberrant activity of a protective neuropeptide with antimicrobial activity. These self-assembled oligomers can also interact with membranes. Here, we review those antimicrobial peptides reported to self-assemble into amyloid, where supported by structural evidence. We consider their membrane activities as antimicrobial peptides and present evidence of consistent self-assembly patterns across major evolutionary groups. Trends are apparent across these groups, supporting the mounting data that self-assembly of antimicrobial peptides into amyloid should be considered as synergistic to the antimicrobial peptide response.
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Affiliation(s)
- Verity Baltutis
- School of Chemistry, Monash University, 3800, Clayton, Vic, Australia
| | - Paul D O'Leary
- School of Chemistry, Monash University, 3800, Clayton, Vic, Australia
| | - Lisandra L Martin
- School of Chemistry, Monash University, 3800, Clayton, Vic, Australia
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36
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Alnemeh-Al Ali H, Griveau A, Artzner F, Dupont A, Lautram N, Jourdain M, Eyer J. Investigation on the self-assembly of the NFL-TBS.40-63 peptide and its interaction with gold nanoparticles as a delivery agent for glioblastoma. Int J Pharm X 2022; 4:100128. [PMID: 36204592 PMCID: PMC9529584 DOI: 10.1016/j.ijpx.2022.100128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/19/2022] Open
Affiliation(s)
| | - A. Griveau
- Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - F. Artzner
- Univ Rennes, CNRS, IPR (Institut de Physique de Rennes), UMR 6251, F-35000 Rennes, France
| | - A. Dupont
- Univ Rennes, CNRS, Inserm, BIOSIT-UMS 3480, US_S 018, Rennes, France
| | - N. Lautram
- Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - M.A. Jourdain
- Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France
| | - J. Eyer
- Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France
- Corresponding author.
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Huang Z, Calicchia E, Jurewicz I, Muñoz E, Garriga R, Portale G, Howlin BJ, Keddie JL. Two-Dimensional Triblock Peptide Assemblies for the Stabilization of Pickering Emulsions with pH Responsiveness. ACS Appl Mater Interfaces 2022; 14:53228-53240. [PMID: 36378993 PMCID: PMC9716523 DOI: 10.1021/acsami.2c17558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
A variety of two-dimensional (2D) nanomaterials, including graphene oxide and clays, are known to stabilize Pickering emulsions to fabricate structures for functions in sensors, catalysts, and encapsulation. We introduce here a novel Pickering emulsion using self-assembled amphiphilic triblock oligoglycine as the emulsifier. Peptide amphiphiles are more responsive to environmental changes (e.g., pH, temperature, and ionic strength) than inorganic 2D materials, which have a chemically rigid, in-plane structure. Noncovalent forces between the peptide molecules change with the environment, thereby imparting responsiveness. We provide new evidence that the biantennary oligoglycine, Gly4-NH-C10H20-NH-Gly4, self-assembles into 2D platelet structures, denoted as tectomers, in solution at a neutral buffered pH using small-angle X-ray scattering and molecular dynamics simulations. The molecules are stacked in the platelets with a linear conformation, rather than in a U-shape. We discovered that the lamellar oligoglycine platelets adsorbed at an oil/water interface and stabilized oil-in-water emulsions. This is the first report of 2D oligoglycine platelets being used as a Pickering stabilizer. The emulsions showed a strong pH response in an acidic environment. Thus, upon reducing the pH, the protonation of the terminal amino groups of the oligoglycine induced disassembly of the lamellar structure due to repulsive electrostatic forces, leading to emulsion destabilization. To demonstrate the application of the material, we show that a model active ingredient, β-carotene, in the oil is released upon decreasing the pH. Interestingly, in pH 9 buffer, the morphology of the oil droplets evolved over time, as the oligoglycine stabilizer created progressively a thicker interfacial layer. This demonstration opens a new route to use self-assembled synthetic peptide amphiphiles to stabilize Pickering emulsions, which can be significant for biomedical and pharmaceutical applications.
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Affiliation(s)
- Zhiwei Huang
- Department
of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, GuildfordGU2 7XH, U.K.
| | - Eleonora Calicchia
- Groningen
Research Institute of Pharmacy, University
of Groningen, A. Deusinglaan 1, Groningen9713 AV, The Netherlands
- Zernike
Institute for Advanced Materials, Faculty of Mathematics and Natural
Sciences, University of Groningen, Nijenborgh 4, Groningen9747AG, The
Netherlands
| | - Izabela Jurewicz
- Department
of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, GuildfordGU2 7XH, U.K.
| | - Edgar Muñoz
- Instituto
de Carboquímica ICB-CSIC, Miguel Luesma Castán 4, 50018Zaragoza, Spain
| | - Rosa Garriga
- Departamento
de Química Física, Universidad
de Zaragoza, 50009Zaragoza, Spain
| | - Giuseppe Portale
- Zernike
Institute for Advanced Materials, Faculty of Mathematics and Natural
Sciences, University of Groningen, Nijenborgh 4, Groningen9747AG, The
Netherlands
| | - Brendan J. Howlin
- Department
of Chemistry, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, U.K.
| | - Joseph L. Keddie
- Department
of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, GuildfordGU2 7XH, U.K.
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Xing H, Rodger A, Comer J, Picco AS, Huck-Iriart C, Ezell EL, Conda-Sheridan M. Urea-Modified Self-Assembling Peptide Amphiphiles That Form Well-Defined Nanostructures and Hydrogels for Biomedical Applications. ACS Appl Bio Mater 2022; 5:4599-4610. [PMID: 35653507 DOI: 10.1021/acsabm.2c00158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Hydrogen bonding plays a critical role in the self-assembly of peptide amphiphiles (PAs). Herein, we studied the effect of replacing the amide linkage between the peptide and lipid portions of the PA with a urea group, which possesses an additional hydrogen bond donor. We prepared three PAs with the peptide sequence Phe-Phe-Glu-Glu (FFEE): two are amide-linked with hydrophobic tails of different lengths and the other possesses an alkylated urea group. The differences in the self-assembled structures formed by these PAs were assessed using diverse microscopies, nuclear magnetic resonance (NMR), and dichroism techniques. We found that the urea group influences the morphology and internal arrangement of the assemblies. Molecular dynamics simulations suggest that there are about 50% more hydrogen bonds in nanostructures assembled from the urea-PA than those assembled from the other PAs. Furthermore, in silico studies suggest the presence of urea-π stacking interactions with the phenyl group of Phe, which results in distinct peptide conformations in comparison to the amide-linked PAs. We then studied the effect of the urea modification on the mechanical properties of PA hydrogels. We found that the hydrogel made of the urea-PA exhibits increased stability and self-healing ability. In addition, it allows cell adhesion, spreading, and growth as a matrix. This study reveals that the inclusion of urea bonds might be useful in controlling the morphology, mechanical, and biological properties of self-assembled nanostructures and hydrogels formed by the PAs.
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Affiliation(s)
- Huihua Xing
- College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Alison Rodger
- School of Natural Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Jeffrey Comer
- Department of Anatomy and Physiology, Kansas State University, Manhattan, Kansas 66506, United States
| | - Agustín S Picco
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas, INIFTA-CONICET-UNLP, Diagonal 113 and Calle 64, La Plata 1900, Argentina
| | - Cristián Huck-Iriart
- Instituto de Tecnologías Emergentes y Ciencias Aplicadas (ITECA), UNSAM-CONICET, Escuela de Ciencia y Tecnología (ECyT), Laboratorio de Cristalografía Aplicada (LCA), Campus Miguelete, San Martín, Buenos Aires 1650, Argentina
| | - Edward L Ezell
- Eppley Institute for Research in Cancer, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Martin Conda-Sheridan
- College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
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Xing Y, Andrikopoulos N, Zhang Z, Sun Y, Ke PC, Ding F. Modulating Nanodroplet Formation En Route to Fibrillization of Amyloid Peptides with Designed Flanking Sequences. Biomacromolecules 2022; 23:4179-4191. [PMID: 36137260 PMCID: PMC9618360 DOI: 10.1021/acs.biomac.2c00642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Soluble oligomers populating early amyloid aggregation can be regarded as nanodroplets of liquid-liquid phase separation (LLPS). Amyloid peptides typically contain hydrophobic aggregation-prone regions connected by hydrophilic linkers and flanking sequences, and such a sequence hydropathy pattern drives the formation of supramolecular structures in the nanodroplets and modulates subsequent fibrillization. Here, we studied LLPS and fibrillization of coarse-grained amyloid peptides with increasing flanking sequences. Nanodroplets assumed lamellar, cylindrical micellar, and spherical micellar structures with increasing peptide hydrophilic/hydrophobic ratios, and such morphologies governed subsequent fibrillization processes. Adding glycine-serine repeats as flanking sequences to Aβ16-22, the amyloidogenic core of amyloid-β, our computational predictions of morphological transitions were corroborated experimentally. The uncovered inter-relationships between the peptide sequence pattern, oligomer/nanodroplet morphology, and fibrillization pathway, kinetics, and structure may contribute to our understanding of pathogenic amyloidosis in aging, facilitate future efforts ameliorating amyloidosis through peptide engineering, and aid in the design of novel amyloid-based functional nanobiomaterials and nanocomposites.
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Affiliation(s)
- Yanting Xing
- Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, United States
| | - Nicholas Andrikopoulos
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Zhenzhen Zhang
- Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, United States
| | - Yunxiang Sun
- Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, United States
- Department of Physics, Ningbo University, Ningbo 315211, China
| | - Pu Chun Ke
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
- Nanomedicine Center, The GBA National Institute for Nanotechnology Innovation, 136 Kaiyuan Avenue, Guangzhou, 510700, China
| | - Feng Ding
- Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, United States
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Lei L, Liang XY, Su CR, Nag A, Yang XQ, Yuan Y. The self-assembled zein hydrolysate-curcumin nanocomplex: improvement on the stability and sustainable release of curcumin. J Sci Food Agric 2022; 102:5729-5737. [PMID: 35396741 DOI: 10.1002/jsfa.11922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/30/2022] [Accepted: 04/09/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The bioavailability of curcumin (Cur) is generally limited by its poor stability. However, it is beneficial to improve the stability of Cur by using self-assembled zein hydrolysate (ZH) as delivery carrier. This paper aimed to explore the formation mechanism of zein hydrolysate-curcumin nanocomplexes as a function of critical micelle concentration (CMC). RESULTS In this work, The CMC of ZH (0.535 mg mL-1 ) was obtained by the pyrene fluorescent probe method. ZH-Cur nanocomplexes undergo hydrogen bonding and hydrophobic interactions, and the fluorescence quenching effect was concentration dependent with the process of static quenching. Moreover, the differences of colloidal properties on ZH and ZH-Cur nanocomplexes were systematically compared by dynamic light scattering and scanning electron microscopy near CMC. ZH presented irregular spherical shapes and would aggregate to form micelles at the CMC and above. The tight micellar structure promoted more uniform size distribution (double peaks reduced) and higher potentials (over -30 mV) within 10 days. In addition, the nanocomplexes demonstrated an obvious core-shell structure. Within 10 days of storage, the particle size distributions were uniform and the potentials increased significantly, indicating that the micellar nanostructure made the Cur stably embedded in the hydrophobic core of ZH. Finally, ZH-Cur nanocomplexes effectively improved the water solubility and encapsulation rate (over 70%) of Cur. Moreover, over 90% of Cur was released steadily within 91 h. CONCLUSION This work provided a theoretical basis for the application of amphiphilic peptide micellar nanostructure as novel food-grade nanocarriers to transport hydrophobic bioactive substances. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Lei Lei
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, PR China
| | - Xiang-Yao Liang
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, PR China
| | - Chun-Ru Su
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, PR China
| | - Anindya Nag
- Centre for Tactile Internet with Human-in-the-Loop (CeTI), Technische Universität Dresden, 01069, Dresden, Germany
- Faculty of Electrical and Computer Engineering, Technische Universität Dresden, 01062, Dresden, Germany
| | - Xin-Quan Yang
- School of Life Sciences, Guangzhou University, Guangzhou, PR China
| | - Yang Yuan
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, PR China
- China-Canada Joint Lab of Food Nutrition and Health (Beijing), Beijing Technology and Business University (BTBU), Beijing, China
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41
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Pramanik B, Ahmed S. Peptide-Based Low Molecular Weight Photosensitive Supramolecular Gelators. Gels 2022; 8:gels8090533. [PMID: 36135245 PMCID: PMC9498526 DOI: 10.3390/gels8090533] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/20/2022] Open
Abstract
Over the last couple of decades, stimuli-responsive supramolecular gels comprising synthetic short peptides as building blocks have been explored for various biological and material applications. Though a wide range of stimuli has been tested depending on the structure of the peptides, light as a stimulus has attracted extensive attention due to its non-invasive, non-contaminant, and remotely controllable nature, precise spatial and temporal resolution, and wavelength tunability. The integration of molecular photo-switch and low-molecular-weight synthetic peptides may thus provide access to supramolecular self-assembled systems, notably supramolecular gels, which may be used to create dynamic, light-responsive “smart” materials with a variety of structures and functions. This short review summarizes the recent advancement in the area of light-sensitive peptide gelation. At first, a glimpse of commonly used molecular photo-switches is given, followed by a detailed description of their incorporation into peptide sequences to design light-responsive peptide gels and the mechanism of their action. Finally, the challenges and future perspectives for developing next-generation photo-responsive gels and materials are outlined.
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Affiliation(s)
- Bapan Pramanik
- Department of Chemistry, Ben-Gurion University of the Negev, Be’er Sheva 84105, Israel
- Correspondence: (B.P.); (S.A.)
| | - Sahnawaz Ahmed
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research Kolkata, Kolkata 700054, India
- Correspondence: (B.P.); (S.A.)
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McCourt J, Kewalramani S, Gao C, Roth EW, Weigand SJ, Olvera de la Cruz M, Bedzyk MJ. Electrostatic Control of Shape Selection and Nanoscale Structure in Chiral Molecular Assemblies. ACS Cent Sci 2022; 8:1169-1181. [PMID: 36032772 PMCID: PMC9413830 DOI: 10.1021/acscentsci.2c00447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Indexed: 06/01/2023]
Abstract
How molecular chirality manifests at the nano- to macroscale has been a scientific puzzle since Louis Pasteur discovered biochirality. Chiral molecules assemble into meso-shapes such as twisted and helical ribbons, helicoidal scrolls (cochleates), or möbius strips (closed twisted ribbons). Here we analyze self-assembly for a series of amphiphiles, C n -K, consisting of an ionizable amino acid [lysine (K)] coupled to alkyl tails with n = 12, 14, or 16 carbons. This simple system allows us to probe the effects of electrostatic and van der Waals interactions in chiral assemblies. Small/wide-angle X-ray scattering (SAXS/WAXS) reveals that at low pH, where the headgroups are ionized (+1), C16-K forms high aspect ratio, planar crystalline bilayers. Molecular dynamics (MD) simulations reveal that tilted tails of the bilayer leaflets are interdigitated. SAXS shows that, with increasing salt concentration, C16-K molecules assemble into cochleates, whereas at elevated pH (reduced degree of ionization), helices are observed for all C n -K assemblies. The shape selection between helices and scrolls is explained by a membrane energetics model. The nano- to meso-scale structure of the chiral assemblies can be continuously controlled by solution ionic conditions. Overall, our study represents a step toward an electrostatics-based approach for shape selection and nanoscale structure control in chiral assemblies.
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Affiliation(s)
- Joseph
M. McCourt
- Department
of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, United States
| | - Sumit Kewalramani
- Department
of Materials Science and Engineering, Northwestern
University, Evanston, Illinois 60208, United States
| | - Changrui Gao
- Department
of Materials Science and Engineering, Northwestern
University, Evanston, Illinois 60208, United States
| | - Eric W. Roth
- Department
of Materials Science and Engineering, Northwestern
University, Evanston, Illinois 60208, United States
| | - Steven J. Weigand
- DuPont-Northwestern-Dow
Collaborative Access Team, Northwestern
University Synchrotron Research Center, Advanced Photon Source, Argonne, Illinois 60439, United States
| | - Monica Olvera de la Cruz
- Department
of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, United States
- Department
of Materials Science and Engineering, Northwestern
University, Evanston, Illinois 60208, United States
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Michael J. Bedzyk
- Department
of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208, United States
- Department
of Materials Science and Engineering, Northwestern
University, Evanston, Illinois 60208, United States
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Alharbi N, Skwarczynski M, Toth I. The influence of component structural arrangement on peptide vaccine immunogenicity. Biotechnol Adv 2022; 60:108029. [PMID: 36028180 DOI: 10.1016/j.biotechadv.2022.108029] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/19/2022] [Indexed: 11/02/2022]
Abstract
Peptide-based subunit vaccines utilise minimal immunogenic components (i.e. peptides) to generate highly specific immune responses, without triggering adverse reactions. However, strong adjuvants and/or effective delivery systems must be incorporated into such vaccines, as peptide antigens cannot induce substantial immune responses on their own. Unfortunately, many adjuvants are too weak or too toxic to be used in combination with peptide antigens. These shortcomings have been addressed by the conjugation of peptide antigens with lipidic/ hydrophobic adjuvanting moieties. The conjugates have shown promising safety profiles and improved immunogenicity without the help of traditional adjuvants and have been efficient in inducing desired immune responses following various routes of administration, including subcutaneous, oral and intranasal. However, not only conjugation per se, but also component arrangement influences vaccine efficacy. This review highlights the importance of influence of the vaccine chemical structure modification on the immune responses generated. It discusses a variety of factors that affect the immunogenicity of peptide conjugates, including: i) self-adjuvanting moiety length and number; ii) the orientation of epitopes and self-adjuvanting moieties in the conjugate; iii) the presence of spacers between conjugated components; iv) multiepitopic arrangement; and v) the effect of chirality on vaccine efficacy.
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Affiliation(s)
- Nedaa Alharbi
- School of Chemistry & Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; University of Jeddah, College of Science and Arts, Department of Chemistry, Jeddah, Saudi Arabia
| | - Mariusz Skwarczynski
- School of Chemistry & Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Istvan Toth
- School of Chemistry & Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; School of Pharmacy, The University of Queensland, Brisbane, QLD, 4102, Australia.
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Loloi J, Babar M, Davies KP, Suadicani SO. Nanotechnology as a tool to advance research and treatment of non-oncologic urogenital diseases. Ther Adv Urol 2022; 14:17562872221109023. [PMID: 35924206 PMCID: PMC9340423 DOI: 10.1177/17562872221109023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 05/31/2022] [Indexed: 11/16/2022] Open
Abstract
Nanotechnology represents an expanding area of research and innovation in almost every field of science, including Medicine, where nanomaterial-based products have been developed for diagnostic and therapeutic applications. Because of their small, nanoscale size, these materials exhibit unique physical and chemical properties that differ from those of each component when considered in bulk. In Nanomedicine, there is an increasing interest in harnessing these unique properties to engineer nanocarriers for the delivery of therapeutic agents. Nano-based drug delivery platforms have many advantages over conventional drug administration routes as this technology allows for local and transdermal applications of therapeutics that can bypass the first-pass metabolism, improves drug efficacy through encapsulation of hydrophobic drugs, and allows for a sustained and controlled release of encapsulated agents. In Urology, nano-based drug delivery platforms have been extensively investigated and implemented for cancer treatment. However, there is also great potential for use of nanotechnology to treat non-oncologic urogenital diseases. We provide an update on research that is paving the way for clinical translation of nanotechnology in the areas of erectile dysfunction (ED), overactive bladder (OAB), interstitial cystitis/bladder pain syndrome (IC/BPS), and catheter-associated urinary tract infections (CAUTIs). Overall, preclinical and clinical studies have proven the utility of nanomaterials both as vehicles for transdermal and intravesical delivery of therapeutic agents and for urinary catheter formulation with antimicrobial agents to treat non-oncologic urogenital diseases. Although clinical translation will be dependent on overcoming regulatory challenges, it is inevitable before there is universal adoption of this technology to treat non-oncologic urogenital diseases.
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Sansi MS, Iram D, Zanab S, Vij S, Puniya AK, Singh A, Ashutosh, Meena S. Antimicrobial bioactive peptides from goat Milk proteins: In silico prediction and analysis. J Food Biochem 2022; 46:e14311. [PMID: 35789493 DOI: 10.1111/jfbc.14311] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/30/2022] [Accepted: 06/07/2022] [Indexed: 01/15/2023]
Abstract
The main goal of this study was to assess the potential proteins of goat milk (i.e. α-s1-casein, α-s2-casein, β-casein, κ-casein, α-lactoglobulin and β-lactalbumin) as precursors of antimicrobial peptides (AMPs). Bioinformatics tools such as BIOPEP-UWM (enzyme action) were used for the in silico gastrointestinal digestion via a cocktail of pepsin, trypsin, and chymotrypsin A. The antimicrobial activity of peptides was predicted by using four algorithms, including Random Forest, Support Vector Machines, Artificial Neural Network and Discriminant Analysis on CAMPR3 online server, which works on Hidden Markov Models. Different online tools predicted the physiochemical properties, allergenicity, and toxicity of peptides as well. In silico gastrointestinal digestion simulation of proteins by enzymes cocktail yielded a total of 83 potential AMPs, with thirteen peptides being confident by all four algorithms. More AMPs were released from β-casein (21) than from β-lactoglobulin (16), α-s1-casein (15), α-s2-casein (12), κ-casein (11) and α-lactalbumin (9). A total of 17 peptides were cationic, and the majority of the peptides were extended AMPs. These peptides were released from α-s1-casein (SGK, IQK), α-s2-casein (SIR, AIH, TQPK), β-casein (GPVR, AVPQR, AIAR, GVPK, SQPK, PVPQK, IH, VPK), k-casein (AIPPK, QQR, IAK, TVPAK). All of the AMPs were anticipated to be non-toxic, and 54 of the 83 peptides were confirmed to be non-allergic, with the remaining 29 suspected of being allergenic and 31 to be predicted to have good water solubility. Further the molecular docking was used to evaluate the potent dihydropteroate synthase (DHPS) inhibitors. On the basis of ligand binding energy, 17 predicted AMPs were selected and then analyzed by AutoDock tools. Among the 17 AMPs, 3 AMPs were predicted as high-potent antimicrobial. Based on these findings, in silico investigations reveal that proteins of goat milk are a potential source of AMPs. These peptides can be synthesized and improved for use in the food sector. PRACTICAL APPLICATIONS: Goat milk is regarded as a high-quality milk protein source. According to this study, goat milk protein is a possible source of AMPs, and therefore, most important AMPs can be synthesized and developed for use in the food sector.
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Affiliation(s)
- Manish Singh Sansi
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Daraksha Iram
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Sameena Zanab
- Department of Chemistry, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, India
| | - Shilpa Vij
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Anil Kumar Puniya
- Dairy Microbiology Division, National Dairy Research Institute, Karnal, Haryana, India
| | - Ajeet Singh
- Quality and Basic Sciences, Indian Institute of Wheat and Barley Research, Karnal, Haryana, India
| | - Ashutosh
- Animal Physiology Division, Dairy Research Institute, Karnal, Haryana, India
| | - Sunita Meena
- Animal Biochemistry Division, National Dairy Research Institute, Karnal, Haryana, India
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Abbas M, Ovais M, Atiq A, Ansari TM, Xing R, Spruijt E, Yan X. Tailoring supramolecular short peptide nanomaterials for antibacterial applications. Coord Chem Rev 2022; 460:214481. [DOI: 10.1016/j.ccr.2022.214481] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Olov N, Bagheri-Khoulenjani S, Mirzadeh H. Injectable hydrogels for bone and cartilage tissue engineering: a review. Prog Biomater 2022; 11:113-135. [PMID: 35420394 PMCID: PMC9156638 DOI: 10.1007/s40204-022-00185-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/24/2022] [Indexed: 10/18/2022] Open
Abstract
Tissue engineering, using a combination of living cells, bioactive molecules, and three-dimensional porous scaffolds, is a promising alternative to traditional treatments such as the use of autografts and allografts for bone and cartilage tissue regeneration. Scaffolds, in this combination, can be applied either through surgery by implantation of cell-seeded pre-fabricated scaffolds, or through injection of a solidifying precursor and cell mixture, or as an injectable cell-seeded pre-fabricated scaffold. In situ forming and pre-fabricated injectable scaffolds can be injected directly into the defect site with complex shape and critical size in a minimally invasive manner. Proper and homogeneous distribution of cells, biological factors, and molecular signals in these injectable scaffolds is another advantage over pre-fabricated scaffolds. Due to the importance of injectable scaffolds in tissue engineering, here different types of injectable scaffolds, their design challenges, and applications in bone and cartilage tissue regeneration are reviewed.
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Affiliation(s)
- Nafiseh Olov
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran
| | - Shadab Bagheri-Khoulenjani
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran.
| | - Hamid Mirzadeh
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran.
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Moghadam MT, Mojtahedi A, Moghaddam MM, Fasihi-Ramandi M, Mirnejad R. Rescuing humanity by antimicrobial peptides against colistin-resistant bacteria. Appl Microbiol Biotechnol 2022. [PMID: 35604438 DOI: 10.1007/s00253-022-11940-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 04/18/2022] [Accepted: 04/21/2022] [Indexed: 12/03/2022]
Abstract
Abstract
It has been about a century since the discovery of the first antibiotic, and during this period, several antibiotics were produced and marketed. The production of high-potency antibiotics against infections led to victories, but these victories were temporary. Overuse and misuse of antibiotics have continued to the point that humanity today is almost helpless in the fight against infection. Researchers have predicted that by the middle of the new century, there will be a dark period after the production of antibiotics that doctors will encounter antibiotic-resistant infections for which there is no cure. Accordingly, researchers are looking for new materials with antimicrobial properties that will strengthen their ammunition to fight antibiotic-resistant infections. One of the most important alternatives to antibiotics introduced in the last three decades is antimicrobial peptides (AMPs), which affect a wide range of microbes. Due to their different antimicrobial properties from antibiotics, AMPs can fight and kill MDR, XDR, and colistin-resistant bacteria through a variety of mechanisms. Therefore, in this study, we intend to use the latest studies to give a complete description of AMPs, the importance of colistin-resistant bacteria, and their resistance mechanisms, and represent impact of AMPs on colistin-resistant bacteria. Key points • AMPs as limited options to kill colistin-resistant bacteria. • Challenge of antibiotics resistance, colistin resistance, and mechanisms. • What is AMPs in the war with colistin-resistant bacteria?
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Mouli MSSV, Agrawal HG, Kumar M, Mishra AK. Luminescent and morphological behavior of the aromatic dipeptide pair having singular structural variability. LUMINESCENCE 2022. [PMID: 35560861 DOI: 10.1002/bio.4275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/15/2022] [Accepted: 05/07/2022] [Indexed: 11/07/2022]
Abstract
In the present manuscript, the luminescence and the self-assembly behavior of the two aromatic dipeptides having singular structure variable are investigated. The terminally protected dipeptides tryptophan-tyrosine (WYp ) and tryptophan-phenylalanine (WFp ) were synthesized using standard solution phase procedure. Significant solvatochromic effect was observed for both the dipeptidyl entities; while the influence was more pronounced in case of the WYp entity when compared to WFp . Interesting morphological variation was observed for WFp and WYp , wherein discrete and interconnected nanospheres were observed for the respective dipeptides. The results obtained signifies the influence of the singular structural variation on modulating the overall functional behavior of the short peptides motifs.
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Affiliation(s)
- M S S Vinod Mouli
- Department of chemistry, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, India
| | - Harsha Gopal Agrawal
- Department of chemistry, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, India
| | - Mohit Kumar
- Department of chemistry, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, India
| | - Ashutosh Kumar Mishra
- Department of chemistry, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, India
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Abstract
Stimuli-responsive peptide-based biomaterials are increasingly gaining interest for various specific and targeted treatments, including drug delivery and tissue engineering. Among all stimuli, pH can be especially useful because endogenous pH changes are often associated with abnormal microenvironments. pH-Responsive amino acids and organic linkers can be easily incorporated into peptides that self-assemble into various nanostructures. Thus, these largely biocompatible and easily tunable platforms are ideal candidates for drug release and as fibrous materials capable of mimicking the native extracellular matrix. In this review, we highlight common design motifs and mechanisms of pH-responsiveness in self-assembling peptide-based biomaterials, focusing on recent advances of these biomaterials applied in drug delivery and tissue engineering. Finally, we suggest future challenges and areas for potential development in pH-responsive self-assembling peptide-based biomaterials.
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Affiliation(s)
- Zhao Li
- Department of Chemistry, Virginia Tech Center for Drug Discovery, and Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Yumeng Zhu
- Department of Chemistry, Virginia Tech Center for Drug Discovery, and Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - John B Matson
- Department of Chemistry, Virginia Tech Center for Drug Discovery, and Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States
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