1
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Carney E, Ghasem Zadeh Moslabeh F, Kang SY, Bunnell BA, Lee MY, Habibi N. Self-assembling peptides induced by eyes absent enzyme to boost the efficacy of doxorubicin therapy in drug-resistant breast cancer cells. Heliyon 2024; 10:e33629. [PMID: 39071664 PMCID: PMC11283099 DOI: 10.1016/j.heliyon.2024.e33629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 06/24/2024] [Accepted: 06/24/2024] [Indexed: 07/30/2024] Open
Abstract
Enzyme-induced self-assembly (EISA) is a recently developed nanotechnology technique in which small molecules are induced by cellular enzymes self-assembling into nanostructures inside cancer cells. This technique can boost the efficacy of chemotherapy drugs by avoiding drug efflux, inhibiting the cells' DNA repair mechanisms, and targeting the mitochondria. In this work, we study the self-assembly of a short peptide and its fluorescence analogue induced by Eyes absent (EYA) tyrosine phosphatases to boost the efficacy of doxorubicin (DOX) therapy in drug-resistant types of breast cancer cells, MDA-MB-231 and MCF-7. The peptides Fmoc-FF-YP and NBD-FF-YP were synthesized with the solid-phase peptide synthesis (SPPS) method and analyzed with HPLC and MALDI-TOF. Dynamic light scattering was used to determine the size distribution of peptides exposed to the EYA enzyme in vitro. The presence of EYA enzymes in breast cancer cells was confirmed using the western blotting assay. The intracellular location of the peptide self-assembly was studied by imaging fluorescence NBD-tagged peptides. The efficacy of the peptide alone and with DOX was determined against MCF-7 and MDA-MB-231 using MTT and LIVE-DEAD assays. Nucleus and cytoplasm F-actin (Phalloidin) staining was used to determine cell morphology changes in response to the combination therapy of peptides/DOX. At an optimal concentration, the peptides are not toxic to the cells; however, they boost the efficacy of DOX against drug-resistant breast cancer cells. We used state-of-the-art computer-aided techniques to predict the molecular structure of peptides and their interactions with EYA. This study demonstrates an approach for incorporating non-cytotoxic components into DOX combination therapy, thereby avoiding increased systemic burden or adverse effects.
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Affiliation(s)
- Emily Carney
- Nanomedicine Lab, Department of Biomedical Engineering, University of North Texas, Texas, United States
| | | | - Soo-Yeon Kang
- Bioprinting Lab, Department of Biomedical Engineering, University of North Texas, Texas, United States
| | - Bruce A. Bunnell
- Department of Microbiology, Immunology & Genetics, University of North Texas Health Science Center, Fort Worth, United States
| | - Moo-Yeal Lee
- Bioprinting Lab, Department of Biomedical Engineering, University of North Texas, Texas, United States
| | - Neda Habibi
- Nanomedicine Lab, Department of Biomedical Engineering, University of North Texas, Texas, United States
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2
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Diaferia C, Gallo E, Cimmino L, Laurenzi V, De Marco A, Morelli G, Stornaiuolo M, Accardo A. Fluorescence of Aggregated Aromatic Peptides for Studying the Kinetics of Aggregation and Hardening of Amyloid-like Structures. Chemistry 2024:e202401998. [PMID: 38962903 DOI: 10.1002/chem.202401998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/05/2024]
Abstract
The capability of amyloid-like peptide fibers to emit intrinsic-fluorescence enables the study of their formation, stability and hardening through time-resolved fluorescence analysis, without the need for additional intercalating dyes. This approach allows the monitoring of amyloid-like peptides aggregation kinetics using minimal sample volumes, and the simultaneous testing of numerous experimental conditions and analytes, offering rapid and reproducible results. The analytical procedure applied to the aromatic hexapeptide F6, alone or derivatized with PEG (polyethylene glycol) moiety of different lengths, suggests that aggregation into large anisotropic structures negatively correlates with initial monomer concentration and relies on the presence of charged N- and C-termini. PEGylation reduces the extent of aggregates hardening, possibly by retaining water, and overall impacts the final structural properties of the aggregates.
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Affiliation(s)
- Carlo Diaferia
- Department of Pharmacy, University of Naples "Federico II", CIRPeB "Carlo Pedone", Via D. Montesano 49, 80131, Naples, Italy
| | - Enrico Gallo
- IRCCS SYNLAB SDN, Via Gianturco 113, Naples, 80143, Italy
| | - Luca Cimmino
- IRCCS SYNLAB SDN, Via Gianturco 113, Naples, 80143, Italy
| | - Valentina Laurenzi
- Department of Pharmacy, University of Naples "Federico II", CIRPeB "Carlo Pedone", Via D. Montesano 49, 80131, Naples, Italy
| | - Agostino De Marco
- Department of Industrial Engineering - Aerospace Division, University of Naples "Federico II", Via Claudio 21, 80125, Napoli, Italy
| | - Giancarlo Morelli
- Department of Pharmacy, University of Naples "Federico II", CIRPeB "Carlo Pedone", Via D. Montesano 49, 80131, Naples, Italy
| | - Mariano Stornaiuolo
- Department of Pharmacy, University of Naples "Federico II", CIRPeB "Carlo Pedone", Via D. Montesano 49, 80131, Naples, Italy
| | - Antonella Accardo
- Department of Pharmacy, University of Naples "Federico II", CIRPeB "Carlo Pedone", Via D. Montesano 49, 80131, Naples, Italy
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3
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Ginesi RE, Draper ER. Methods of changing low molecular weight gel properties through gelation kinetics. SOFT MATTER 2024; 20:3887-3896. [PMID: 38691131 DOI: 10.1039/d4sm00238e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
Low molecular weight gels continue to attract notable interest, with many potential applications. However, there are still significant gaps in our understanding of these systems and the correlation between the pre-gel and final gel states. The kinetics of the gelation process plays a crucial role in the bulk properties of the hydrogel and presents an opportunity to fine-tune these systems to meet the requirements of the chosen application. Therefore, it is possible to use a single gelator for multiple applications. This review discusses four ways to modify the pre-gelled structures before triggering gelation. Such modifications can enhance the material's intended performance, which may result in significant advancements in high-tech areas, such as drug delivery, cell culturing, electronics, and tissue engineering.
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Affiliation(s)
- Rebecca E Ginesi
- School of Chemistry, University of Glasgow, Glasgow, UK, G12 8QQ, UK.
| | - Emily R Draper
- School of Chemistry, University of Glasgow, Glasgow, UK, G12 8QQ, UK.
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4
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Gallo E, Diaferia C, Giordano S, Rosa E, Carrese B, Piccialli G, Borbone N, Morelli G, Oliviero G, Accardo A. Ultrashort Cationic Peptide Fmoc-FFK as Hydrogel Building Block for Potential Biomedical Applications. Gels 2023; 10:12. [PMID: 38247735 PMCID: PMC10815546 DOI: 10.3390/gels10010012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/12/2023] [Accepted: 12/16/2023] [Indexed: 01/23/2024] Open
Abstract
Fmoc-diphenylalanine (Fmoc-FF) is a low-molecular-weight peptide hydrogelator. This simple all-aromatic peptide can generate self-supporting hydrogel materials, which have been proposed as novel materials for diagnostic and pharmaceutical applications. Our knowledge of the molecular determinants of Fmoc-FF aggregation is used as a guide to design new peptide-based gelators, with features for the development of improved tools. Here, we enlarge the plethora of Fmoc-FF-based hydrogelated matrices by studying the properties of the Fmoc-FFK tripeptide, alone or in combination with Fmoc-FF. For multicomponent matrices, the relative weight ratios between Fmoc-FFK and Fmoc-FF (specifically, 1/1, 1/5, 1/10, and 1/20 w/w) are evaluated. All the systems and their multiscale organization are studied using different experimental techniques, including rheology, circular dichroism, Fourier transform infrared spectroscopy, and scanning electron microscopy (SEM). Preliminary profiles of biocompatibility for the studied systems are also described by testing them in vitro on HaCaT and 3T3-L1 cell lines. Additionally, the lysine (K) residue at the C-terminus of the Fmoc-FF moiety introduces into the supramolecular material chemical functions (amino groups) which may be useful for modification/derivatization with bioactive molecules of interest, including diagnostic probes, chelating agents, active pharmaceutical ingredients, or peptide nucleic acids.
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Affiliation(s)
- Enrico Gallo
- IRCCS SYNLAB SDN, Via Gianturco 113, 80143 Naples, Italy; (E.G.); (S.G.); (B.C.)
| | - Carlo Diaferia
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
| | - Sabrina Giordano
- IRCCS SYNLAB SDN, Via Gianturco 113, 80143 Naples, Italy; (E.G.); (S.G.); (B.C.)
| | - Elisabetta Rosa
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
| | - Barbara Carrese
- IRCCS SYNLAB SDN, Via Gianturco 113, 80143 Naples, Italy; (E.G.); (S.G.); (B.C.)
| | - Gennaro Piccialli
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
| | - Nicola Borbone
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
| | - Giancarlo Morelli
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
| | - Giorgia Oliviero
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples “Federico II”, Via S. Pansini 5, 80131 Naples, Italy;
| | - Antonella Accardo
- Department of Pharmacy, University of Naples “Federico II”, Via D. Montesano 49, 80131 Naples, Italy; (C.D.); (E.R.); (G.P.); (N.B.); (G.M.)
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5
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van der Tol JB, Vantomme G, Meijer EW. Solvent-Induced Pathway Complexity of Supramolecular Polymerization Unveiled Using the Hansen Solubility Parameters. J Am Chem Soc 2023; 145:17987-17994. [PMID: 37530219 PMCID: PMC10436269 DOI: 10.1021/jacs.3c05547] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Indexed: 08/03/2023]
Abstract
Supramolecular building blocks assembling into helical aggregates are ubiquitous in the current literature, yet the role of solvents in these supramolecular polymerizations often remains elusive. Here, we present a systematic study that quantifies solvent-supramolecular polymer compatibility using the Hansen solubility parameters (δD, δH, and δP). We first studied the solubility space of the supramolecular building block triazine-1,3,5-tribenzenecarboxamide S-T. Due to its amphiphilic nature, a dual-sphere model based on 58 solvents was applied describing the solubility space of the monomeric state (green sphere) and supramolecular polymer state (blue sphere). To our surprise, further in-depth spectroscopic and morphological studies unveiled a distinct solubility region in-between the two spheres giving rise to the formation of higher-order aggregated structures. This phenomenon occurs due to subtle differences in polarity between the solvent and the side chains and highlights the solvent-induced pathway complexity of supramolecular polymerizations. Subsequent variations in concentration and temperature led to the expansion and contraction of both solubility spheres providing two additional features to tune the monomer and supramolecular polymer solubility. Finally, we applied our dual-sphere model on structurally disparate monomers, such as Zn-porphyrin (S-P) and triphenylamine (S-A), demonstrating the generality of the model and the importance of the supramolecular monomer design in connection with the solvent used. This work unravels the solvent-induced pathway complexity of discotic supramolecular building blocks using a parametrized approach in which interactions between the solvent and solute play a crucial role.
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Affiliation(s)
- Joost
J. B. van der Tol
- Institute
for Complex Molecular Systems and Laboratory of Macromolecular and
Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
| | - Ghislaine Vantomme
- Institute
for Complex Molecular Systems and Laboratory of Macromolecular and
Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
| | - E. W. Meijer
- Institute
for Complex Molecular Systems and Laboratory of Macromolecular and
Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, Eindhoven 5600 MB, The Netherlands
- School
of Chemistry and RNA Institute The University of New South Wales, Sydney, New South Wales 2052, Australia
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6
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Fracaroli AM, Grover G, Ohtsu H, Kawano M, Gándara F, de Rossi RH, Weiss RG, Tashiro K. 1D Supramolecular Assemblies That Crystallize and Form Gels in Response to the Shape-Complementarity of Alcohols. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:7353-7360. [PMID: 37196166 DOI: 10.1021/acs.langmuir.3c00435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
N-9-Fluorenylmethyloxycarbonyl (Fmoc)- and C-tertiary butyl (t-Bu)-protected glutamate (L-2), bearing a phenanthroline moiety at the side residue, forms 1D supramolecular assemblies via H-bonding as well as undergoing π-stacking interactions to afford crystals or gels that depend on the shape-complementarity of coexisting alcohols, as demonstrated by structural analyses on these assemblies by means of single-crystal X-ray diffractometry and supplemented with small- and wide-angle X-ray scattering data. Moreover, the rheological measurements on the gels help to define a model for when gels and crystals are expected and found. These observations and conclusions highlight an important, but not very appreciated, aspect of solute-solvent interactions within supramolecular assemblies that can allow the constituent-aggregating molecules in some systems to exhibit high selectivity toward the structures of their solvents. The consequences of this selectivity, as demonstrated here by single-crystal and powder X-ray diffraction data, can lead to self-assembled structures which alter completely the bulk phase properties and morphology of the materials. In that regard, rheological measurements have helped to develop a model to explain when gels and phase-separated mixtures of crystals and solvents are expected.
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Affiliation(s)
- Alejandro M Fracaroli
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC-CONICET), and Dpto. de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba (UNC), Ciudad Universitaria, Córdoba X5000HUA, Argentina
| | - Girishma Grover
- Department of Chemistry and Institute for Soft Matter Synthesis and Metrology, Georgetown University, Washington, District of Columbia 20057-1227, United States
| | - Hiroyoshi Ohtsu
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Masaki Kawano
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Felipe Gándara
- Departamento de Nuevas Arquitecturas en Química de Materiales, Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Sor Juana Inés de la Cruz 3, Madrid 28049, Spain
| | - Rita H de Rossi
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC-CONICET), and Dpto. de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba (UNC), Ciudad Universitaria, Córdoba X5000HUA, Argentina
| | - Richard G Weiss
- Department of Chemistry and Institute for Soft Matter Synthesis and Metrology, Georgetown University, Washington, District of Columbia 20057-1227, United States
| | - Kentaro Tashiro
- Research Center for Macromolecules & Biomaterials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
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7
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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] [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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8
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Zadeh Moslabeh FG, Miar S, Habibi N. In Vitro Self-Assembly of a Modified Diphenylalanine Peptide to Nanofibers Induced by the Eye Absent Enzyme and Alkaline Phosphatase and Its Activity against Breast Cancer Cell Proliferation. ACS APPLIED BIO MATERIALS 2023; 6:164-170. [PMID: 36525564 DOI: 10.1021/acsabm.2c00829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Drug-resistant breast cancers such as Triple negative breast cancer (TNBC) do not respond successfully to chemotherapy treatments because they lack the expression of receptor targets. Drug-resistant anti-cancer treatments require innovative approaches to target these cells without relying on the receptors. Intracellular self-assembly of small molecules induced by enzymes is a nanotechnology approach for inhibiting cancer cell growth. In this approach, enzymes will induce the self-assembly of small molecules to nanofibers, which leads to cell death. Here, we investigate the self-assembly of a modified small peptide induced by two different phosphatases: alkaline phosphatase (ALP) and eye absent tyrosine phosphatase (EYA). ALPs are expressed in many adult human tissues and are critical for many cellular functions. EYAs are embryonic enzymes that are over-expressed in drug-resistant breast cancers. We synthesized a small diphenylalanine-based peptide with a tyrosine phosphate end group as the substrate of phosphatase enzymes. Peptides were synthesized with solid phase techniques and were characterized by HPLC and MALDI-TOF. To characterize the self-assembly of peptides exposed to enzymes, different techniques were used such as scattering light intensity, microscopes, and phosphate detection kit. We then determined the toxicity effect of the peptide against normal breast cancer cells, MCF-7, and drug-resistant breast cancer cells, MDA-MB-231. The results showed that the EYA enzyme is able to initiate self-assembly at lower peptide concentration with higher self-assembling intensity compared to ALP. A significant decrease in the TNBC cell number was observed even with a low peptide concentration of 60 μM. These results collectively support the exploration of enzyme self-assembly to treat TNBC.
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Affiliation(s)
- Forough Ghasem Zadeh Moslabeh
- Nanomedicine Lab, Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Solaleh Miar
- Department of Civil, Environmental, and Biomedical Engineering, University of Hartford, West Hartford, Connecticut 06117, United States
| | - Neda Habibi
- Nanomedicine Lab, Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
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9
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Rosa E, Gallo E, Sibillano T, Giannini C, Rizzuti S, Gianolio E, Scognamiglio PL, Morelli G, Accardo A, Diaferia C. Incorporation of PEG Diacrylates (PEGDA) Generates Hybrid Fmoc-FF Hydrogel Matrices. Gels 2022; 8:gels8120831. [PMID: 36547355 PMCID: PMC9778368 DOI: 10.3390/gels8120831] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Generated by a hierarchical and multiscale self-assembling phenomenon, peptide-based hydrogels (HGs) are soft materials useful for a variety of applications. Short and ultra-short peptides are intriguing building blocks for hydrogel fabrication. These matrices can also be obtained by mixing low-molecular-weight peptides with other chemical entities (e.g., polymers, other peptides). The combination of two or more constituents opens the door to the development of hybrid systems with tunable mechanical properties and unexpected biofunctionalities or morphologies. For this scope, the formulation, the multiscale analysis, and the supramolecular characterization of novel hybrid peptide-polymer hydrogels are herein described. The proposed matrices contain the Fmoc-FF (Nα-fluorenylmethyloxycarbonyl diphenylalanine) hydrogelator at a concentration of 0.5 wt% (5.0 mg/mL) and a diacrylate α-/ω-substituted polyethylene-glycol derivative (PEGDA). Two PEGDA derivatives, PEGDA 1 and PEGDA2 (mean molecular weights of 575 and 250 Da, respectively), are mixed with Fmoc-FF at different ratios (Fmoc-FF/PEGDA at 1/1, 1/2, 1/5, 1/10 mol/mol). All the multicomponent hybrid peptide-polymer hydrogels are scrutinized with a large panel of analytical techniques (including proton relaxometry, FTIR, WAXS, rheometry, and scanning electronic microscopy). The matrices were found to be able to generate mechanical responses in the 2-8 kPa range, producing a panel of tunable materials with the same chemical composition. The release of a model drug (Naphthol Yellow S) is reported too. The tunable features, the different topologies, and the versatility of the proposed materials open the door to the development of tools for different applicative areas, including diagnostics, liquid biopsies and responsive materials. The incorporation of a diacrylate function also suggests the possible development of interpenetrating networks upon cross-linking reactions. All the collected data allow a mutual comparison between the different matrices, thus confirming the significance of the hybrid peptide/polymer-based methodology as a strategy for the design of innovative materials.
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Affiliation(s)
- Elisabetta Rosa
- Department of Pharmacy, Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, Via Montesano 49, 80131 Naples, Italy
| | - Enrico Gallo
- IRCCS Synlab SDN, Via E. Gianturco 113, 80143 Naples, Italy
| | - Teresa Sibillano
- Institute of Crystallography (IC), CNR, Via Amendola 122, 70126 Bari, Italy
| | - Cinzia Giannini
- Institute of Crystallography (IC), CNR, Via Amendola 122, 70126 Bari, Italy
| | - Serena Rizzuti
- Department of Molecular Biotechnologies and Health Science, University of Turin, Via Nizza 52, 10125 Turin, Italy
| | - Eliana Gianolio
- Department of Molecular Biotechnologies and Health Science, University of Turin, Via Nizza 52, 10125 Turin, Italy
| | | | - Giancarlo Morelli
- Department of Pharmacy, Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, Via Montesano 49, 80131 Naples, Italy
| | - Antonella Accardo
- Department of Pharmacy, Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, Via Montesano 49, 80131 Naples, Italy
| | - Carlo Diaferia
- Department of Pharmacy, Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, Via Montesano 49, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-0812-534-526
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10
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Self-Assembly and Gelation Study of Dipeptide Isomers with Norvaline and Phenylalanine. CHEMISTRY 2022. [DOI: 10.3390/chemistry4040093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Dipeptides have emerged as attractive building blocks for supramolecular materials thanks to their low-cost, inherent biocompatibility, ease of preparation, and environmental friendliness as they do not persist in the environment. In particular, hydrophobic amino acids are ideal candidates for self-assembly in polar and green solvents, as a certain level of hydrophobicity is required to favor their aggregation and reduce the peptide solubility. In this work, we analyzed the ability to self-assemble and the gel of dipeptides based on the amino acids norvaline (Nva) and phenylalanine (Phe), studying all their combinations and not yielding to enantiomers, which display the same physicochemical properties, and hence the same self-assembly behavior in achiral environments as those studied herein. A single-crystal X-ray diffraction of all the compounds revealed fine details over their molecular packing and non-covalent interactions.
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11
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Chotera‐Ouda A, Jeziorna A, Kaźmierski S, Dolot R, Dudek MK, Potrzebowski MJ. “Crystal memory” Affects the Properties of Peptide Hydrogels – The Case of the Cyclic Tyr‐Tyr dipeptide. Chemistry 2022; 28:e202202005. [DOI: 10.1002/chem.202202005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Indexed: 12/23/2022]
Affiliation(s)
- Agata Chotera‐Ouda
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Agata Jeziorna
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
- Lodz Institute of Technology Łukasiewicz Research Network M. Sklodowskiej-Curie 19/27 90-570 Lodz Poland
| | - Sławomir Kaźmierski
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Rafał Dolot
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Marta K. Dudek
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
| | - Marek J. Potrzebowski
- Centre of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112 90-363 Lodz Poland
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12
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Diaferia C, Rosa E, Morelli G, Accardo A. Fmoc-Diphenylalanine Hydrogels: Optimization of Preparation Methods and Structural Insights. Pharmaceuticals (Basel) 2022; 15:1048. [PMID: 36145269 PMCID: PMC9505424 DOI: 10.3390/ph15091048] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/17/2022] Open
Abstract
Hydrogels (HGs) are tri-dimensional materials with a non-Newtonian flow behaviour formed by networks able to encapsulate high amounts of water or other biological fluids. They can be prepared using both synthetic or natural polymers and their mechanical and functional properties may change according to the preparation method, the solvent, the pH, and to others experimental parameters. Recently, many short and ultra-short peptides have been investigated as building blocks for the formulation of biocompatible hydrogels suitable for different biomedical applications. Due to its simplicity and capability to gel in physiological conditions, Fmoc-FF dipeptide is one of the most studied peptide hydrogelators. Although its identification dates to 15 ago, its behaviour is currently studied because of the observation that the final material obtained is deeply dependent on the preparation method. To collect information about their formulation, here are reported some different strategies adopted until now for the Fmoc-FF HG preparation, noting the changes in the structural arrangement and behaviour in terms of stiffness, matrix porosity, and stability induced by the different formulation strategy on the final material.
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Affiliation(s)
| | | | | | - Antonella Accardo
- Department of Pharmacy and Interuniversity Research Centre on Bioactive Peptides (CIRPeB), University of Naples “Federico II”, Via Montesano 49, 80131 Naples, Italy
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13
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Abraham BL, Mensah SG, Gwinnell BR, Nilsson BL. Side-chain halogen effects on self-assembly and hydrogelation of cationic phenylalanine derivatives. SOFT MATTER 2022; 18:5999-6008. [PMID: 35920399 DOI: 10.1039/d2sm00713d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Low molecular weight (LMW) supramolecular hydrogels have great potential as next-generation biomaterials for drug delivery, tissue engineering, and regenerative medicine. The design of LMW gelators is complicated by the lack of understanding regarding how the chemical structure of the gelator correlates to self-assembly potential and emergent hydrogel material properties. The fluorenylmethyloxycarbonyl-phenylalanine (Fmoc-Phe) motif is a privileged scaffold that is prone to undergo self-assembly into self-supporting hydrogel networks. Cationic Fmoc-Phe-DAP derivatives modified with diaminopropane (DAP) at the C-terminus have been developed that self-assemble into hydrogel networks in aqueous solutions of sufficient ionic strength. We report herein the impact of side-chain halogenation on the self-assembly and hydrogelation properties of Fmoc-Phe-DAP derivatives. A systematic study of the self-assembly and hydrogelation of monohalogenated Fmoc-Phe-DAP derivatives with F, Cl, or Br atoms in the ortho, meta, or para positions of the phenyl side chain reveal significant differences in self-assembly and gelation potential, nanoscale assembly morphology, and hydrogel viscoelastic properties as a function of halogen identity and substitution position. These results demonstrate the profound impact that subtle changes to the chemical scaffold can have on the behavior of LMW supramolecular gelators and illustrate the ongoing difficulty of predicting the emergent self-assembly and hydrogelation behavior of LMW gelators that differ even modestly in chemical structure.
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Affiliation(s)
- Brittany L Abraham
- Department of Chemistry, University of Rochester, Rochester, NY 14627, USA.
| | - Samantha G Mensah
- Department of Chemistry, University of Rochester, Rochester, NY 14627, USA.
| | | | - Bradley L Nilsson
- Department of Chemistry, University of Rochester, Rochester, NY 14627, USA.
- Materials Science Program, University of Rochester, Rochester, NY 14627, USA
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14
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Pérez-Madrigal MM, Gil AM, Casanovas J, Jiménez AI, Macor LP, Alemán C. Self-assembly pathways in a triphenylalanine peptide capped with aromatic groups. Colloids Surf B Biointerfaces 2022; 216:112522. [PMID: 35561635 DOI: 10.1016/j.colsurfb.2022.112522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 11/25/2022]
Abstract
Peptide derivatives and, most specifically, their self-assembled supramolecular structures are being considered in the design of novel biofunctional materials. Although the self-assembly of triphenylalanine homopeptides has been found to be more versatile than that of homopeptides containing an even number of residues (i.e. diphenylalanine and tetraphenylalanine), only uncapped triphenylalanine (FFF) and a highly aromatic analog blocked at both the N- and C-termini with fluorenyl-containing groups (Fmoc-FFF-OFm), have been deeply studied before. In this work, we have examined the self-assembly of a triphenylalanine derivative bearing 9-fluorenylmethyloxycarbonyl and benzyl ester end-capping groups at the N- and C-termini, respectively (Fmoc-FFF-OBzl). The antiparallel arrangement clearly dominates in β-sheets formed by Fmoc-FFF-OBzl, whereas the parallel and antiparallel dispositions are almost isoenergetic in Fmoc-FFF-OFm β-sheets and the parallel one is slightly favored for FFF. The effects of both the peptide concentration and the medium on the self-assembly process have been examined considering Fmoc-FFF-OBzl solutions in a wide variety of solvent:co-solvent mixtures. In addition, Fmoc-FFF-OBzl supramolecular structures have been compared to those obtained for FFF and Fmoc-FFF-OFm under identical experimental conditions. The strength of π-π stacking interactions involving the end-capping groups plays a crucial role in the nucleation and growth of supramolecular structures, which determines the resulting morphology. Finally, the influence of a non-invasive external stimulus, ultrasounds, on the nucleation and growth of supramolecular structures has been examined. Overall, FFF-based peptides provide a wide range of supramolecular structures that can be of interest in the biotechnological field.
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Affiliation(s)
- Maria M Pérez-Madrigal
- Departament d'Enginyeria Química (DEQ) and Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), EEBE, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain.
| | - Ana M Gil
- Departamento de Quimica Organica, Instituto de Sintesis Quimica y Catalisis Homogenea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Jordi Casanovas
- Departament de Química, Universitat de Lleida, Escola Politècnica Superior, C/ Jaume II no. 69, 25001 Lleida, Spain
| | - Ana I Jiménez
- Departamento de Quimica Organica, Instituto de Sintesis Quimica y Catalisis Homogenea (ISQCH), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Lorena P Macor
- Departament d'Enginyeria Química (DEQ) and Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), EEBE, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain; IITEMA-CONICET, Departamento de Química, Facultad de Ciencias Exactas Físico-Químicas y Naturales, Universidad Nacional de Río Cuarto, Agencia Postal Nro. 3, X5804BYA Río Cuarto, Córdoba, Argentina
| | - Carlos Alemán
- Departament d'Enginyeria Química (DEQ) and Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), EEBE, C/ Eduard Maristany 10-14, 08019 Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028 Barcelona, Spain.
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15
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Bellotto O, Pierri G, Rozhin P, Polentarutti M, Kralj S, D'Andrea P, Tedesco C, Marchesan S. Dipeptide self-assembly into water-channels and gel biomaterial. Org Biomol Chem 2022; 20:6211-6218. [PMID: 35575102 DOI: 10.1039/d2ob00622g] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Dipeptides are convenient building blocks for supramolecular gel biomaterials that can be produced on a large scale at low cost and do not persist in the environment. In the case of unprotected sequences, hydrophobicity is a key requirement to enable gelation, with Phe-Phe standing out for its self-assembling ability. Conversely, more hydrophilic sequences such as homochiral dipeptides Phe-Val and Val-Phe neither fibrillate nor gel aqueous buffers and their crystal structures reveal amphipathic layers. In this work, we test emerging rules for the design of self-assembling dipeptides using heterochiral Phe-Val and Val-Phe. Each dipeptide is characterized by 1H- and 13C-NMR, LC-MS, circular dichroism, infrared and Raman spectroscopies, rheology, electron microscopy, and single-crystal X-ray diffraction. In particular, D-Phe-L-Val is the first heterochiral dipeptide to self-assemble into supramolecular water-channels whose cavity is defined by four peptide molecules arranged head-to-tail. This minimalistic sequence is devoid of amyloid character as probed by thioflavin T fluorescence and it displays excellent biocompatibility in vitro. The dataset provided, through comparison with the literature, significantly advances the definition of molecular design rules for minimalistic unprotected dipeptides that self-assemble into water-channels and biocompatible gels, to assist with the future development of supramolecular biomaterials with fine control over nanomorphological features for a variety of applications.
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Affiliation(s)
- Ottavia Bellotto
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Giovanni Pierri
- University of Salerno, Dept. of Chemistry & Biologi "A. Zambelli", Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy.
| | - Petr Rozhin
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | | | - Slavko Kralj
- Jožef Stefan Institute, Materials Synthesis Dept., Jamova 39, 1000 Ljubljana, Slovenia.,University of Ljubljana, Pharmaceutical Technology Dept., Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Paola D'Andrea
- University of Trieste, Life Sciences Dept., Via L. Giorgieri 5, 34127 Trieste, Italy
| | - Consiglia Tedesco
- University of Salerno, Dept. of Chemistry & Biologi "A. Zambelli", Via Giovanni Paolo II 132, 84084 Fisciano, SA, Italy.
| | - Silvia Marchesan
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
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16
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Scarel E, Bellotto O, Rozhin P, Kralj S, Tortora M, Vargiu AV, De Zorzi R, Rossi B, Marchesan S. Single-atom substitution enables supramolecular diversity from dipeptide building blocks. SOFT MATTER 2022; 18:2129-2136. [PMID: 35179536 DOI: 10.1039/d1sm01824h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dipeptides are popular building blocks for supramolecular gels that do not persist in the environment and may find various applications. In this work, we show that a simple substitution on the aromatic side-chain of phenylalanine with either fluorine or iodine enables supramolecular diversity upon self-assembly at neutral pH, leading to hydrogels or crystals. Each building block is characterized by 1H- and 13C-NMR spectroscopy, LC-MS, circular dichroism, and molecular models. The supramolecular behaviour is monitored with a variety of techniques, including circular dichroism, oscillatory rheology, transmission electron microscopy, attenuated total reflectance Fourier-transformed infrared spectroscopy, visible Raman spectroscopy, synchrotron-radiation single-crystal X-ray diffraction and UV Resonance Raman spectroscopy, allowing key differences to be pinpointed amongst the halogenated analogues.
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Affiliation(s)
- Erica Scarel
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Ottavia Bellotto
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Petr Rozhin
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Slavko Kralj
- Jožef Stefan Institute, Materials Synthesis Dept., Jamova 39, 1000 Ljubljana, Slovenia
- University of Ljubljana, Pharmaceutical Technology Dept., Faculty of Pharmacy, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Mariagrazia Tortora
- Area Science Park, Padriciano 99, 34149 Trieste, Italy
- Elettra-Sincrotrone Trieste, S.S. 114 km 163.5, Basovizza, 34149 Trieste, Italy.
| | - Attilio V Vargiu
- University of Cagliari, Physics Dept., 09042 Monserrato, Cagliari, Italy
| | - Rita De Zorzi
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
| | - Barbara Rossi
- Elettra-Sincrotrone Trieste, S.S. 114 km 163.5, Basovizza, 34149 Trieste, Italy.
| | - Silvia Marchesan
- University of Trieste, Chem. Pharm. Sc. Dept., Via Giorgieri 1, 34127 Trieste, Italy.
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17
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Mayans E, Alemán C. Revisiting the Self-Assembly of Highly Aromatic Phenylalanine Homopeptides. Molecules 2020; 25:E6037. [PMID: 33419355 PMCID: PMC7766750 DOI: 10.3390/molecules25246037] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/14/2020] [Accepted: 12/18/2020] [Indexed: 02/06/2023] Open
Abstract
Diphenylalanine peptide (FF), which self-assembles into rigid tubular nanostructures, is a very short core recognition motif in Alzheimer's disease β-amyloid (Aβ) polypeptide. Moreover, the ability of the phenylalanine (F or Phe)-homopeptides to self-assemble into ordered nanostructures has been proved. Within this context it was shown that the assembly preferences of this family of compounds is altered by capping both the N- and C-termini using highly aromatic fluorenyl groups (i.e., fluorenyl-9-methoxycarbonyl and 9-fluorenylmethyl ester, named Fmoc and OFm, respectively). In this article the work performed in the field of the effect of the structure and incubation conditions on the morphology and polymorphism of short (from two to four amino acid residues) Phe-homopeptides is reviewed and accompanied by introducing some new results for completing the comparison. Special attention has been paid to the influence of solvent: co-solvent mixture used to solubilize the peptide, the peptide concentration and, in some cases, the temperature. More specifically, uncapped (FF, FFF, and FFFF), N-capped with Fmoc (Fmoc-FF, Fmoc-FFF, and Fmoc-FFFF), C-capped with OFm (FF-OFm), and doubly capped (Fmoc-FF-OFm, Fmoc-FFF-OFm, and Fmoc-FFFF-OFm) Phe-homopeptides have been re-measured. Although many of the experienced assembly conditions have been only revisited as they were previously reported, other experimental conditions have been examined by the first time in this work. In any case, pooling the effect of highly aromatic blocking groups in a single study, using a wide variety of experimental conditions, allows a perspective of how the disappearance of head-to-tail electrostatic interactions and the gradual increase in the amount of π-π stacking interactions, affects the morphology of the assemblies. Future technological applications of Phe-homopeptides can be envisaged by choosing the most appropriate self-assemble structure, defining not only the length of the peptide but also the amount and the position of fluorenyl capping groups.
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Affiliation(s)
| | - Carlos Alemán
- Departament d’Enginyeria Química and Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, C/Eduard Maristany, 10-14, Ed. I2, 08019 Barcelona, Spain;
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18
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Kaur H, Jain R, Roy S. Pathway-Dependent Preferential Selection and Amplification of Variable Self-Assembled Peptide Nanostructures and Their Biological Activities. ACS APPLIED MATERIALS & INTERFACES 2020; 12:52445-52456. [PMID: 33190483 DOI: 10.1021/acsami.0c16725] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We demonstrate the formation of diverse peptide nanostructures, which are "out of equilibrium" based on a single dipeptide gelator. These structures represent the differential energy states of the free energy landscape, which are accessed by differential energy inputs provided by variable self-assembly pathways, that is, heat-cool method or ultrasonication. A higher energy input by the heat-cool method created a thermodynamically favored long entangled nanofibrillar network, while twisted ribbonlike structures were prevalent by ultrasonication. Interestingly, the nanofibrillar network representing the global thermodynamic minima could be accessed by simply melting the kinetically trapped structures as indicated by the thermoreversibility studies. The impact on the material strength was remarkable; gels with an order of magnitude difference in mechanical properties could be fabricated by simply modulating the self-assembly pathways. Interestingly, the thermodynamically favored nanofibrous network promoted cellular adhesion and survival, while a significant number of cells fail to adhere on the kinetically trapped twisted ribbons. Thus, nonequilibrium nanostructures open up new directions to develop advanced functional materials with diverse functions.
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Affiliation(s)
- Harsimran Kaur
- Institute of Nano Science and Technology, Phase-10, Sector-64, Mohali, Punjab 160062, India
| | - Rashmi Jain
- Institute of Nano Science and Technology, Phase-10, Sector-64, Mohali, Punjab 160062, India
| | - Sangita Roy
- Institute of Nano Science and Technology, Phase-10, Sector-64, Mohali, Punjab 160062, India
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19
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Panja S, Boháčová K, Dietrich B, Adams DJ. Programming properties of transient hydrogels by an enzymatic reaction. NANOSCALE 2020; 12:12840-12848. [PMID: 32515773 DOI: 10.1039/d0nr03012k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Supramolecular gels are usually stable in time as they are formed under thermodynamic equilibrium or at least in a deep well of a kinetically trapped state. However, artificial construction of kinetically controlled transient supramolecular gels is an interesting challenge. In these systems, usually a kinetically trapped transient aggregate is formed by active building blocks that leads to gelation; the gel then typically returns to the solution state. In this work, we show that such transient aggregation can occur by successive formation of two distinctly different kinetically controlled metastable states. Control over the first metastable state allows us to achieve significant control over the stability and properties of the second metastable state.
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Affiliation(s)
- Santanu Panja
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK.
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20
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Tuning the gelation behavior of short laminin derived peptides via solvent mediated self-assembly. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110483. [DOI: 10.1016/j.msec.2019.110483] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/17/2019] [Accepted: 11/20/2019] [Indexed: 12/12/2022]
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21
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Topochemical synthesis of different polymorphs of polymers as a paradigm for tuning properties of polymers. Nat Commun 2020; 11:865. [PMID: 32054844 PMCID: PMC7018732 DOI: 10.1038/s41467-020-14733-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 01/27/2020] [Indexed: 12/15/2022] Open
Abstract
Different packing is a mechanism through which nature can produce materials of different properties from the same basic units. There is great interest in constructing different forms of the same polymer by utilising different packing. Common solution-synthesized polymers are amorphous and their post-synthesis crystallization into different topologies is almost impossible. Here we show solid-state polymerization of different reactive polymorphs of a monomer pre-organized in different topologies. Trimorphs of a dipeptide monomer pack in a head-to-tail fashion, placing the azide and alkyne of adjacent monomers in proximity. On heating, these crystals undergo a topochemical azide-alkyne cycloaddition reaction yielding triazole-linked polymer in three different crystalline states; one with antiparallel arrangement of polymer chains, another with parallelly oriented chains, and a third form containing a 1:1 blend of two different conformers aligned in parallel. This approach of exploiting different polymorphs of a monomer for topochemical polymerization to yield polymorphs of polymers is promising for future research.
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22
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Guterman T, Levin M, Kolusheva S, Levy D, Noor N, Roichman Y, Gazit E. Real‐Time In‐Situ Monitoring of a Tunable Pentapeptide Gel–Crystal Transition. Angew Chem Int Ed Engl 2019; 58:15869-15875. [DOI: 10.1002/anie.201907971] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/26/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Tom Guterman
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
| | - Maayan Levin
- Raymond and Beverly Sackler School of Chemistry Tel Aviv University Tel Aviv 6997801 Israel
| | - Sofiya Kolusheva
- Ilse Katz Institute for Nanotechnology Ben Gurion University of the Negev Beer Sheva 84105 Israel
| | - Davide Levy
- Wolfson Applied Materials Research Center Tel Aviv University Tel Aviv 6997801 Israel
| | - Nadav Noor
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
- Department of Materials Science and Engineering Iby and Aladar Fleischman Faculty of Engineering Tel Aviv University Tel Aviv 6997801 Israel
| | - Yael Roichman
- Raymond and Beverly Sackler School of Chemistry Tel Aviv University Tel Aviv 6997801 Israel
- Raymond and Beverly Sackler School of Physics & Astronomy Tel Aviv University Tel Aviv 6997801 Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
- Department of Materials Science and Engineering Iby and Aladar Fleischman Faculty of Engineering Tel Aviv University Tel Aviv 6997801 Israel
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23
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Guterman T, Levin M, Kolusheva S, Levy D, Noor N, Roichman Y, Gazit E. Real‐Time In‐Situ Monitoring of a Tunable Pentapeptide Gel–Crystal Transition. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907971] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Tom Guterman
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
| | - Maayan Levin
- Raymond and Beverly Sackler School of Chemistry Tel Aviv University Tel Aviv 6997801 Israel
| | - Sofiya Kolusheva
- Ilse Katz Institute for Nanotechnology Ben Gurion University of the Negev Beer Sheva 84105 Israel
| | - Davide Levy
- Wolfson Applied Materials Research Center Tel Aviv University Tel Aviv 6997801 Israel
| | - Nadav Noor
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
- Department of Materials Science and Engineering Iby and Aladar Fleischman Faculty of Engineering Tel Aviv University Tel Aviv 6997801 Israel
| | - Yael Roichman
- Raymond and Beverly Sackler School of Chemistry Tel Aviv University Tel Aviv 6997801 Israel
- Raymond and Beverly Sackler School of Physics & Astronomy Tel Aviv University Tel Aviv 6997801 Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology George S. Wise Faculty of Life Sciences Tel Aviv University Tel Aviv 6997801 Israel
- Department of Materials Science and Engineering Iby and Aladar Fleischman Faculty of Engineering Tel Aviv University Tel Aviv 6997801 Israel
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24
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25
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Yang M, Xing R, Shen G, Yuan C, Yan X. A versatile cyclic dipeptide hydrogelator: Self-assembly and rheology in various physiological conditions. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.04.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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26
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Fuentes-Caparrós AM, de Paula Gómez-Franco F, Dietrich B, Wilson C, Brasnett C, Seddon A, Adams DJ. Annealing multicomponent supramolecular gels. NANOSCALE 2019; 11:3275-3280. [PMID: 30720823 DOI: 10.1039/c8nr09423c] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Annealing is widely used as a means of changing the physical properties of a material. The rate of heating and cooling used in the annealing process controls the final properties. Annealing can be used as a means of driving towards the, or at least a, thermodynamic minimum. There is surprisingly little information on annealing kinetically-trapped supramolecular gels. Here, we show that annealing multicomponent gels can be used to prepare materials with tunable mechanical properties. We show that annealing in a two-component gel leads to a self-sorted network, which has significantly different mechanical properties to the as-prepared gels. Whilst the fibres are self-sorted, we show that the annealing of this system leads to significant change in the network level of assembly, and it is this that leads to the increase in storage modulus. We also show that it is possible to selectively anneal only a single component in the mixture.
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27
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Yang X, Wang Y, Qi W, Xing R, Yang X, Xing Q, Su R, He Z. Disulfide crosslinking and helical coiling of peptide micelles facilitate the formation of a printable hydrogel. J Mater Chem B 2019. [DOI: 10.1039/c8tb03121e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tripeptides self-assembled into aligned micelles which transformed into nanohelices via covalent and noncovalent interactions to give a printable hydrogel.
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Affiliation(s)
- Xin Yang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology
- Tianjin 300072
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology
- Tianjin 300072
| | - Ruizhe Xing
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
| | - Xuejiao Yang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
| | - Qiguo Xing
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology
- Tianjin 300072
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University
- Tianjin 300072
- P. R. China
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28
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Sahoo JK, Nazareth C, VandenBerg MA, Webber MJ. Aromatic identity, electronic substitution, and sequence in amphiphilic tripeptide self-assembly. SOFT MATTER 2018; 14:9168-9174. [PMID: 30398280 DOI: 10.1039/c8sm01994k] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The phenomenon of self-assembly in short peptides (2-4 amino acids) has been a source of curiosity, in part for its role in helping to better understand and predict how minimal sequences within proteins might contribute to the formation of larger structures or aggregates. Building on previous work in this field, here we investigate a family of amphiphilic tripeptides for their self-assembly and hydrogel formation. From a parent peptide, Ac-FID-NH2, which was previously shown to self-assemble into high aspect-ratio filaments and form hydrogels, we explored the significance of structural features or sequence variations on the observed self-assembly. This process entailed substituting key aromatic residues, altering the electronics of these aromatic drivers of assembly, and screening tripeptide constitutional isomers. This work more clearly elucidates the mechanisms and design parameters that govern the creation of materials from short peptide building blocks, as well as offering greater insight into the interactions between minimal segments of proteins that underlie their structure and aggregation.
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Affiliation(s)
- Jugal Kishore Sahoo
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, IN 46556, USA.
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29
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Yamamoto T, Arefi H, Shanker S, Sato H, Hiraoka S. Self-Assembly of Nanocubic Molecular Capsules via Solvent-Guided Formation of Rectangular Blocks. J Phys Chem Lett 2018; 9:6082-6088. [PMID: 30274518 DOI: 10.1021/acs.jpclett.8b02624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We investigate the mechanism underlying the self-assembly of gear-shaped amphiphilic molecules into a highly ordered nanocubic capsule ("nanocube") in aqueous methanol. Simulation results show that the solvent molecules play a significant role in the assembly process by directing the primitive intermediates to orthogonal/rectangular shapes, thus creating appropriate building blocks for cubic assembly while avoiding off-pathway stacked aggregates. Free-energy analyses reveal that the interplay of the direct intermonomer interaction and the solvent-mediated repulsion between large aromatic cores (via preferential solvation of methanol on hydrophobic surfaces) leads to the strong trend for perpendicular binding of monomers and hence the solvent-guided formation of rectangular blocks. Furthermore, we report the self-assembly simulation of the nanocube using replica exchange with solute tempering and demonstrate that the simulation can predict a highly ordered nanocapsule structure, assembly intermediates, and encapsulated molecules, which helps promote computer-aided design of functional molecular self-assemblies in explicit solvent.
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Affiliation(s)
- Takeshi Yamamoto
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Hadi Arefi
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Sudhanshu Shanker
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Hirofumi Sato
- Department of Molecular Engineering , Graduate School of Engineering, Kyoto University , Kyoto 615-8510 , Japan
| | - Shuichi Hiraoka
- Department of Basic Science , Graduate School of Arts and Science, The University of Tokyo , Tokyo 153-8902 , Japan
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30
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Abstract
Self-assembled peptide nanostructures have been increasingly exploited as functional materials for applications in biomedicine and energy. The emergent properties of these nanomaterials determine the applications for which they can be exploited. It has recently been appreciated that nanomaterials composed of multicomponent coassembled peptides often display unique emergent properties that have the potential to dramatically expand the functional utility of peptide-based materials. This review presents recent efforts in the development of multicomponent peptide assemblies. The discussion includes multicomponent assemblies derived from short low molecular weight peptides, peptide amphiphiles, coiled coil peptides, collagen, and β-sheet peptides. The design, structure, emergent properties, and applications for these multicomponent assemblies are presented in order to illustrate the potential of these formulations as sophisticated next-generation bio-inspired materials.
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Affiliation(s)
- Danielle M Raymond
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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31
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Guo L, Yang B, Wu D, Tao Y, Kong Y. Chiral Sensing Platform Based on the Self-Assemblies of Diphenylalanine and Oxalic Acid. Anal Chem 2018; 90:5451-5458. [PMID: 29595059 DOI: 10.1021/acs.analchem.8b00762] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Molecular self-assemblies offer a promising strategy for the synthesis of advanced materials for the construction of novel chiral sensing systems, and latest innovations on such self-assemblies are focused on simple building blocks in biology such as nucleic acids, lipids, and peptides. Herein, the self-assemblies of diphenylalanine (FF) and oxalic acid (OA) were prepared as the chiral sensing device for the recognition of tryptophan (Trp) isomers. Interestingly, the self-assemblies composed of OA and FF with different charging states (neutral, positively charged, and negatively charged) exhibited quite different morphologies, resulting in significantly different chiral recognition ability toward the Trp isomers. Also, in this work, the temperature sensitivity and chiral selectivity of the proposed FF-OA self-assemblies were also studied. From a practical point of view, the FF-OA self-assemblies were finally applied for the determination of precise levels of d-Trp in the racemic mixture of Trp isomers.
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Affiliation(s)
- Lili Guo
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center , Changzhou University , Changzhou 213164 , China
| | - Baozhu Yang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center , Changzhou University , Changzhou 213164 , China
| | - Datong Wu
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center , Changzhou University , Changzhou 213164 , China
| | - Yongxin Tao
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center , Changzhou University , Changzhou 213164 , China
| | - Yong Kong
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center , Changzhou University , Changzhou 213164 , China
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