1
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Schaefer S, Corrigan N, Brunke S, Lenardon MD, Boyer C. Combatting Fungal Infections: Advances in Antifungal Polymeric Nanomaterials. Biomacromolecules 2024. [PMID: 39177507 DOI: 10.1021/acs.biomac.4c00866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
Fungal pathogens cause over 6.5 million life-threatening systemic infections annually, with mortality rates ranging from 20 to 95%, even with medical intervention. The World Health Organization has recently emphasized the urgent need for new antifungal drugs. However, the range of effective antifungal agents remains limited and resistance is increasing. This Review explores the current landscape of fungal infections and antifungal drugs, focusing on synthetic polymeric nanomaterials like nanoparticles that enhance the physicochemical properties of existing drugs. Additionally, we examine intrinsically antifungal polymers that mimic naturally occurring peptides. Advances in polymer characterization and synthesis now allow precise design and screening for antifungal activity, biocompatibility, and drug interactions. These antifungal polymers represent a promising new class of drugs for combating fungal infections.
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Affiliation(s)
- Sebastian Schaefer
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia
- Australian Centre for NanoMedicine, UNSW, Sydney, New South Wales 2052, Australia
- School of Biotechnology and Biomolecular Sciences, UNSW, Sydney, New South Wales 2052, Australia
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knoell Institute, 07745 Jena, Germany
| | - Nathaniel Corrigan
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia
- Australian Centre for NanoMedicine, UNSW, Sydney, New South Wales 2052, Australia
| | - Sascha Brunke
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knoell Institute, 07745 Jena, Germany
| | - Megan D Lenardon
- School of Biotechnology and Biomolecular Sciences, UNSW, Sydney, New South Wales 2052, Australia
| | - Cyrille Boyer
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney, New South Wales 2052, Australia
- Australian Centre for NanoMedicine, UNSW, Sydney, New South Wales 2052, Australia
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2
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Dykeman-Bermingham PA, Bogen MP, Chittari SS, Grizzard SF, Knight AS. Tailoring Hierarchical Structure and Rare Earth Affinity of Compositionally Identical Polymers via Sequence Control. J Am Chem Soc 2024; 146:8607-8617. [PMID: 38470430 DOI: 10.1021/jacs.4c00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Macromolecule sequence, structure, and function are inherently intertwined. While well-established relationships exist in proteins, they are more challenging to define for synthetic polymer nanoparticles due to their molecular weight, sequence, and conformational dispersities. To explore the impact of sequence on nanoparticle structure, we synthesized a set of 16 compositionally identical, sequence-controlled polymers with distinct monomer patterning of dimethyl acrylamide and a bioinspired, structure-driving di(phenylalanine) acrylamide (FF). Sequence control was achieved through multiblock polymerizations, yielding unique ensembles of polymer sequences which were simulated by kinetic Monte Carlo simulations. Systematic analysis of the global (tertiary- and quaternary-like) structure in this amphiphilic copolymer series revealed the effect of multiple sequence descriptors: the number of domains, the hydropathy of terminal domains, and the patchiness (density) of FF within a domain, each of which impacted both chain collapse and the distribution of single- and multichain assemblies. Furthermore, both the conformational freedom of chain segments and local-scale, β-sheet-like interactions were sensitive to the patchiness of FF. To connect sequence, structure, and target function, we evaluated an additional series of nine sequence-controlled copolymers as sequestrants for rare earth elements (REEs) by incorporating a functional acrylic acid monomer into select polymer scaffolds. We identified key sequence variables that influence the binding affinity, capacity, and selectivity of the polymers for REEs. Collectively, these results highlight the potential of and boundaries of sequence control via multiblock polymerizations to drive primary sequence ensembles hierarchical structures, and ultimately the functionality of compositionally identical polymeric materials.
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Affiliation(s)
- Peter A Dykeman-Bermingham
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Matthew P Bogen
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Supraja S Chittari
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Savannah F Grizzard
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Abigail S Knight
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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3
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Bandzerewicz A, Wierzchowski K, Mierzejewska J, Denis P, Gołofit T, Szymczyk-Ziółkowska P, Pilarek M, Gadomska-Gajadhur A. Biological Activity of Poly(1,3-propanediol citrate) Films and Nonwovens: Mechanical, Thermal, Antimicrobial, and Cytotoxicity Studies. Macromol Rapid Commun 2024; 45:e2300452. [PMID: 37838916 DOI: 10.1002/marc.202300452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/10/2023] [Indexed: 10/16/2023]
Abstract
Polymers are of great interest for medical and cosmeceutical applications. The current trend is to combine materials of natural and synthetic origin in order to obtain products with appropriate mechanical strength and good biocompatibility, additionally biodegradable and bioresorbable. Citric acid, being an important metabolite, is an interesting substance for the synthesis of materials for biomedical applications. Due to the high functionality of the molecule, it is commonly used in biomaterials chemistry as a crosslinking agent. Among citric acid-based biopolyesters, poly(1,8-octanediol citrate) is the best known. It shows application potential in soft tissue engineering. This work focuses on a much less studied polyester, poly(1,3-propanediol citrate). Porous and non-porous materials based on the synthesized polyesters are prepared and characterized, including mechanical, thermal, and surface properties, morphology, and degradation. The main focus is on assessing the biocompatibility and antimicrobial properties of the materials.
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Affiliation(s)
- Aleksandra Bandzerewicz
- Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego Street, Warsaw, 00-664, Poland
| | - Kamil Wierzchowski
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1 Street, Warsaw, 00-645, Poland
| | - Jolanta Mierzejewska
- Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego Street, Warsaw, 00-664, Poland
| | - Piotr Denis
- Laboratory of Polymers and Biomaterials, Institute of Fundamental Technological Research Polish Academy of Sciences, Pawińskiego 5B Street, Warsaw, 02-106, Poland
| | - Tomasz Gołofit
- Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego Street, Warsaw, 00-664, Poland
| | - Patrycja Szymczyk-Ziółkowska
- Centre for Advanced Manufacturing Technologies-Fraunhofer Project Center, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Lukasiewicza 5, Wroclaw, 50-371, Poland
| | - Maciej Pilarek
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1 Street, Warsaw, 00-645, Poland
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4
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Zhang C, Liu X, Gong J, Zhao Q. Liquid sculpture and curing of bio-inspired polyelectrolyte aqueous two-phase systems. Nat Commun 2023; 14:2456. [PMID: 37117170 PMCID: PMC10147642 DOI: 10.1038/s41467-023-38236-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/21/2023] [Indexed: 04/30/2023] Open
Abstract
Aqueous two-phase systems (ATPS) provide imperative interfaces and compartments in biology, but the sculpture and conversion of liquid structures to functional solids is challenging. Here, inspired by phase evolution of mussel foot proteins ATPS, we tackle this problem by designing poly(ionic liquids) capable of responsive condensation and phase-dependent curing. When mixed with poly(dimethyl diallyl ammonium chloride), the poly(ionic liquids) formed liquid condensates and ATPS, which were tuned into bicontinuous liquid phases under stirring. Selective, rapid curing of the poly(ionic liquids)-rich phase was facilitated under basic conditions (pH 11), leading to the liquid-to-gel conversion and structure sculpture, i.e., the evolution from ATPS to macroporous sponges featuring bead-and-string networks. This mechanism enabled the selective embedment of carbon nanotubes in the poly(ionic liquids)-rich phase, which showed exceptional stability in harsh conditions (10 wt% NaCl, 80 oC, 3 days) and high (2.5 kg/m2h) solar thermal desalination of concentrated salty water under 1-sun irradiation.
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Affiliation(s)
- Chongrui Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Xufei Liu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Jiang Gong
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Qiang Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
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5
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Stuart JD, Wickenkamp NR, Davis KA, Meyer C, Kading RC, Snow CD. Scalable Combinatorial Assembly of Synthetic DNA for Tracking Applications. Int J Mol Sci 2023; 24:2549. [PMID: 36768872 PMCID: PMC9917336 DOI: 10.3390/ijms24032549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
Synthetic DNA barcodes are double-stranded DNA molecules designed to carry recoverable information, information that can be used to represent and track objects and organisms. DNA barcodes offer robust, sensitive detection using standard amplification and sequencing techniques. While numerous research groups have promoted DNA as an information storage medium, less attention has been devoted to the design of economical, scalable DNA barcode libraries. Here, we present an alternative modular approach to sequence design. Barcode sequences were constructed from smaller, interchangeable blocks, allowing for the combinatorial assembly of numerous distinct tags. We demonstrated the design and construction of first-generation (N = 256) and second-generation (N = 512) modular barcode libraries, from fewer than 50 total single-stranded oligonucleotides for each library. To avoid contamination during experimental validation, a liquid-handling robot was employed for oligonucleotide mixing. Generating barcode sequences in-house reduces dependency upon external entities for unique tag generation, increasing flexibility in barcode generation and deployment. Next generation sequencing (NGS) detection of 256 different samples in parallel highlights the multiplexing afforded by the modular barcode design coupled with high-throughput sequencing. Deletion variant analysis of the first-generation library informed sequence design for enhancing barcode assembly specificity in the second-generation library.
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Affiliation(s)
- Julius D Stuart
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
| | - Natalie R Wickenkamp
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Kaleb A Davis
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Camden Meyer
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Rebekah C Kading
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Christopher D Snow
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
- Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO 80523, USA
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6
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Morton LD, Castilla-Casadiego DA, Palmer AC, Rosales AM. Crosslinker structure modulates bulk mechanical properties and dictates hMSC behavior on hyaluronic acid hydrogels. Acta Biomater 2023; 155:258-270. [PMID: 36423819 PMCID: PMC9805514 DOI: 10.1016/j.actbio.2022.11.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/20/2022] [Accepted: 11/15/2022] [Indexed: 11/23/2022]
Abstract
Synthetic hydrogels are attractive platforms due in part to their highly tunable mechanics, which impact cell behavior and secretory profile. These mechanics are often controlled by altering the number of crosslinks or the total polymer concentration in the gel, leading to structure-property relationships that inherently couple network connectivity to the overall modulus. In contrast, the native extracellular matrix (ECM) contains structured biopolymers that enable stiff gels even at low polymer content, facilitating 3D cell culture and permeability of soluble factors. To mimic the hierarchical order of natural ECM, this work describes a synthetic hydrogel system in which mechanics are tuned using the structure of sequence-defined peptoid crosslinkers, while fixing network connectivity. Peptoid crosslinkers with different secondary structures are investigated: 1) a helical, molecularly stiff peptoid, 2) a non-helical, less stiff peptoid, and 3) an unstructured, relatively flexible peptoid. Bulk hydrogel storage modulus increases when crosslinkers of higher chain stiffness are used. In-vitro studies assess the viability, proliferation, cell morphology, and immunomodulatory activity of human mesenchymal stem cells (hMSCs) on each hydrogel substrate. Matrix mechanics regulate the morphology of hMSCs on the developed substrates, and all of the hydrogels studied upregulate IDO production over culture on TCP. Softer substrates further this upregulation to a plateau. Overall, this system offers a biomimetic strategy for decoupling hydrogel storage modulus from network connectivity, enabling systematic study of biomaterial properties on hMSC behavior and enhancement of cellular functionality for therapeutic applications. STATEMENT OF SIGNIFICANCE: Various strategies to tune hydrogel mechanics have been developed to control human mesenchymal stem cell (hMSC) behavior and regulate their immunomodulatory potential. However, these strategies typically couple mechanics to network connectivity, which in turn changes other hydrogel properties such as permeability that may have unintended effects on hMSC behavior. This work presents a strategy to tune hydrogel mechanics using crosslinkers with different secondary structure and molecular rigidity. This strategy successfully decouples hydrogel moduli from crosslinker stoichiometry and mimics the hierarchical nature of the native extracellular matrix. The moduli of the developed hydrogels led to significant impacts on hMSC morphology and proliferation, and increased immunomodulatory potential, indicating that molecular rigidity is a promising avenue to control engineered ECM mechanics for therapeutic applications.
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Affiliation(s)
- Logan D Morton
- Mcketta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States
| | - David A Castilla-Casadiego
- Mcketta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States
| | - Ajay C Palmer
- Mcketta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States
| | - Adrianne M Rosales
- Mcketta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States.
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7
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Xia X, Gao T, Li F, Suzuki R, Isono T, Satoh T. Sequential Polymerization from Complex Monomer Mixtures: Access to Multiblock Copolymers with Adjustable Sequence, Topology, and Gradient Strength. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xiaochao Xia
- College of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400054, China
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Tianle Gao
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Feng Li
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Ryota Suzuki
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Takuya Isono
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Toshifumi Satoh
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
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8
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Cwynar P, Pasikowski P, Szweda R. One-pot approach for multi-step, iterative synthesis of sequence-defined oligocarbamates. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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Austin MJ, Schunk H, Watkins C, Ling N, Chauvin J, Morton L, Rosales AM. Fluorescent Peptomer Substrates for Differential Degradation by Metalloproteases. Biomacromolecules 2022; 23:4909-4923. [PMID: 36269900 DOI: 10.1021/acs.biomac.2c01077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Proteases, especially MMPs, are attractive biomarkers given their central role in both physiological and pathological processes. Distinguishing MMP activity with degradable substrates, however, is a difficult task due to overlapping substrate specificity profiles. Here, we developed a system of peptomers (peptide-peptoid hybrids) to probe the impact of non-natural residues on MMP specificity for an MMP peptide consensus sequence. Peptoids are non-natural, N-substituted glycines with a large side-chain diversity. Given the presence of a hallmark proline residue in the P3 position of MMP consensus sequences, we hypothesized that peptoids may offer N-substituted alternatives to generate differential interactions with MMPs. To investigate this hypothesis, peptomer substrates were exposed to five different MMPs, as well as bacterial collagenase, and monitored by fluorescence resonance energy transfer and liquid chromatography-mass spectrometry to determine the rate of cleavage and the composition of degraded fragments, respectively. We found that peptoid residues are well tolerated in the P3 and P3' substrate sites and that the identity of the peptoid in these sites displays a moderate influence on the rate of cleavage. However, peptoid residues were even better tolerated in the P1 substrate site where activity was more strongly correlated with side-chain identity than side-chain position. All MMPs explored demonstrated similar trends in specificity for the peptomers but exhibited different degrees of variability in proteolytic rate. These kinetic profiles served as "fingerprints" for the proteases and yielded separation by multivariate data analysis. To further demonstrate the practical application of this tunability in degradation kinetics, peptomer substrates were tethered into hydrogels and released over distinct timescales. Overall, this work represents a significant step toward the design of probes that maximize differential MMP behavior and presents design rules to tune degradation kinetics with peptoid substitutions, which has promising implications for diagnostic and prognostic applications using array-based sensors.
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Affiliation(s)
- Mariah J Austin
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Hattie Schunk
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States.,Department of Biomedical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Carolyn Watkins
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Natalie Ling
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Jeremy Chauvin
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Logan Morton
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
| | - Adrianne M Rosales
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas78712, United States
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10
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Izuagbe AE, Truong VX, Tuten BT, Roesky PW, Barner-Kowollik C. Visible Light Switchable Single-Chain Nanoparticles. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Aidan E. Izuagbe
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131Karlsruhe, Germany
| | - Vinh X. Truong
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
| | - Bryan T. Tuten
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
| | - Peter W. Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstraße 15, 76131Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, Queensland4000, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344Eggenstein-Leopoldshafen, Germany
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11
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Xia X, Gao T, Li F, Suzuki R, Isono T, Satoh T. Multidimensional Control of Repeating Unit/Sequence/Topology for One-Step Synthesis of Block Polymers from Monomer Mixtures. J Am Chem Soc 2022; 144:17905-17915. [PMID: 36150017 DOI: 10.1021/jacs.2c06860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Synchronously and thoroughly adjusting the chemical structure difference between two blocks of the diblock copolymer is very useful for designing materials but difficult to achieve via self-switchable alternating copolymerization. Here, we report self-switchable alternating copolymerization from a mixture of two different cyclic anhydrides, epoxides, and oxetanes, where a simple alkali metal carboxylate catalyst switches between ring-opening alternating copolymerization (ROCOP) of cyclic anhydrides/epoxides and ROCOP of cyclic anhydrides/oxetanes, resulting in the formation of a perfect block tetrapolymer. By investigating the reactivity ratio of these comonomers, a reactivity gradient was established, enabling the precise synthesis of block copolymers with synchronous adjustment of each unit's chemical structure/sequence/topology. Consequently, a diblock tetrapolymer with two glass transition temperatures (Tg) can be easily produced by adjusting the difference in chemical structures between the two blocks.
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Affiliation(s)
- Xiaochao Xia
- College of Materials Science and Engineering, Chongqing University of Technology, Chongqing 400054, China.,Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Tianle Gao
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Feng Li
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Ryota Suzuki
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Takuya Isono
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
| | - Toshifumi Satoh
- Division of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo 060-8628, Japan
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12
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Clapperton A, Babi J, Tran H. A Field Guide to Optimizing Peptoid Synthesis. ACS POLYMERS AU 2022; 2:417-429. [PMID: 36536890 PMCID: PMC9756346 DOI: 10.1021/acspolymersau.2c00036] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 12/19/2022]
Abstract
N-Substituted glycines (peptoids) are a class of peptidomimetic molecules used as materials for health, environmental, and drug delivery applications. Automated solid-phase synthesis is the most widely used approach for preparing polypeptoids, with a range of published protocols and modifications for selected synthetic targets. Simultaneously, emerging solution-phase syntheses are being leveraged to overcome limitations in solid-phase synthesis and access high-molecular weight polypeptoids. This Perspective aims to outline strategies for the optimization of both solid- and solution-phase synthesis, provide technical considerations for robotic synthesizers, and offer an outlook on advances in synthetic methodologies. The solid-phase synthesis sections explore steps for protocol optimization, accessing complex side chains, and adaptation to robotic synthesizers; the sections on solution-phase synthesis cover the selection of initiators, side chain compatibility, and strategies for controlling polymerization efficiency and scale. This text acts as a "field guide" for researchers aiming to leverage the flexibility and adaptability of peptoids in their research.
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Affiliation(s)
- Abigail
Mae Clapperton
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S
3H6, Canada
| | - Jon Babi
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S
3H6, Canada
| | - Helen Tran
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S
3H6, Canada,Department
of Chemical Engineering, University of Toronto, 200 College St, Toronto, Toronto, ON M5S
3E5, Canada,
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13
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Kametani Y, Ouchi M. Copolymerizations of Saccharin Methacrylamide with Dienes toward Softer Alternating Copolymers and Advanced Sequence Control. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202100249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yuki Kametani
- Department of Polymer Chemistry Graduate School of Engineering Kyoto University Nishikyo‐ku Kyoto 615‐8510 Japan
| | - Makoto Ouchi
- Department of Polymer Chemistry Graduate School of Engineering Kyoto University Nishikyo‐ku Kyoto 615‐8510 Japan
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14
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Ishihara K, Fukazawa K. Cell-membrane-inspired polymers for constructing biointerfaces with efficient molecular recognition. J Mater Chem B 2022; 10:3397-3419. [PMID: 35389394 DOI: 10.1039/d2tb00242f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Fabrication of devices that accurately recognize, detect, and separate target molecules from mixtures is a crucial aspect of biotechnology for applications in medical, pharmaceutical, and food sciences. This technology has also been recently applied in solving environmental and energy-related problems. In molecular recognition, biomolecules are typically complexed with a substrate, and specific molecules from a mixture are recognized, captured, and reacted. To increase sensitivity and efficiency, the activity of the biomolecules used for capture should be maintained, and non-specific reactions on the surface should be prevented. This review summarizes polymeric materials that are used for constructing biointerfaces. Precise molecular recognition occurring at the surface of cell membranes is fundamental to sustaining life; therefore, materials that mimic the structure and properties of this particular surface are emphasized in this article. The requirements for biointerfaces to eliminate nonspecific interactions of biomolecules are described. In particular, the major issue of protein adsorption on biointerfaces is discussed by focusing on the structure of water near the interface from a thermodynamic viewpoint; moreover, the structure of polymer molecules that control the water structure is considered. Methodologies enabling stable formation of these interfaces on material surfaces are also presented.
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Affiliation(s)
- Kazuhiko Ishihara
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Kyoko Fukazawa
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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15
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Patel JR, Oh J, Wang S, Crawford JM, Isaacs FJ. Cross-kingdom expression of synthetic genetic elements promotes discovery of metabolites in the human microbiome. Cell 2022; 185:1487-1505.e14. [PMID: 35366417 PMCID: PMC10619838 DOI: 10.1016/j.cell.2022.03.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 02/04/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022]
Abstract
Small molecules encoded by biosynthetic pathways mediate cross-species interactions and harbor untapped potential, which has provided valuable compounds for medicine and biotechnology. Since studying biosynthetic gene clusters in their native context is often difficult, alternative efforts rely on heterologous expression, which is limited by host-specific metabolic capacity and regulation. Here, we describe a computational-experimental technology to redesign genes and their regulatory regions with hybrid elements for cross-species expression in Gram-negative and -positive bacteria and eukaryotes, decoupling biosynthetic capacity from host-range constraints to activate silenced pathways. These synthetic genetic elements enabled the discovery of a class of microbiome-derived nucleotide metabolites-tyrocitabines-from Lactobacillus iners. Tyrocitabines feature a remarkable orthoester-phosphate, inhibit translational activity, and invoke unexpected biosynthetic machinery, including a class of "Amadori synthases" and "abortive" tRNA synthetases. Our approach establishes a general strategy for the redesign, expression, mobilization, and characterization of genetic elements in diverse organisms and communities.
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Affiliation(s)
- Jaymin R Patel
- Department of Molecular, Cellular, & Developmental Biology, Yale University, New Haven, CT, USA; Systems Biology Institute, Yale University, West Haven, CT, USA; Institute of Biomolecular Design and Discovery, Yale University, West Haven, CT, USA
| | - Joonseok Oh
- Institute of Biomolecular Design and Discovery, Yale University, West Haven, CT, USA; Department of Chemistry, Yale University, New Haven, CT, USA
| | - Shenqi Wang
- Department of Molecular, Cellular, & Developmental Biology, Yale University, New Haven, CT, USA; Systems Biology Institute, Yale University, West Haven, CT, USA
| | - Jason M Crawford
- Institute of Biomolecular Design and Discovery, Yale University, West Haven, CT, USA; Department of Chemistry, Yale University, New Haven, CT, USA; Department of Microbial Pathogenesis, Yale School of Medicine, New Haven, CT, USA.
| | - Farren J Isaacs
- Department of Molecular, Cellular, & Developmental Biology, Yale University, New Haven, CT, USA; Systems Biology Institute, Yale University, West Haven, CT, USA; Department of Biomedical Engineering, Yale University, New Haven, CT, USA.
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16
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Li X, Han L, Zhang R, Li C, Zhang S, Bai H, Wang X, Wang B, Ma H. Regulation from gradient to near periodic sequence during anionic copolymerization of styrene and dimethyl-[4-(1-phenyl-vinyl)phenyl]silane (DPE-SiH). POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Xu J, Ji J, Jiao J, Zheng L, Hong Q, Tang H, Zhang S, Qu X, Yue B. 3D Printing for Bone-Cartilage Interface Regeneration. Front Bioeng Biotechnol 2022; 10:828921. [PMID: 35237582 PMCID: PMC8882993 DOI: 10.3389/fbioe.2022.828921] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/25/2022] [Indexed: 12/12/2022] Open
Abstract
Due to the vasculature defects and/or the avascular nature of cartilage, as well as the complex gradients for bone-cartilage interface regeneration and the layered zonal architecture, self-repair of cartilage and subchondral bone is challenging. Currently, the primary osteochondral defect treatment strategies, including artificial joint replacement and autologous and allogeneic bone graft, are limited by their ability to simply repair, rather than induce regeneration of tissues. Meanwhile, over the past two decades, three-dimension (3D) printing technology has achieved admirable advancements in bone and cartilage reconstruction, providing a new strategy for restoring joint function. The advantages of 3D printing hybrid materials include rapid and accurate molding, as well as personalized therapy. However, certain challenges also exist. For instance, 3D printing technology for osteochondral reconstruction must simulate the histological structure of cartilage and subchondral bone, thus, it is necessary to determine the optimal bioink concentrations to maintain mechanical strength and cell viability, while also identifying biomaterials with dual bioactivities capable of simultaneously regenerating cartilage. The study showed that the regeneration of bone-cartilage interface is crucial for the repair of osteochondral defect. In this review, we focus on the significant progress and application of 3D printing technology for bone-cartilage interface regeneration, while also expounding the potential prospects for 3D printing technology and highlighting some of the most significant challenges currently facing this field.
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Affiliation(s)
- Jialian Xu
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jindou Ji
- The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Juyang Jiao
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Liangjun Zheng
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Qimin Hong
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Haozheng Tang
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shutao Zhang
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xinhua Qu
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Xinhua Qu, ; Bing Yue,
| | - Bing Yue
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- *Correspondence: Xinhua Qu, ; Bing Yue,
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18
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Chu S, Wang AL, Bhattacharya A, Montclare JK. Protein Based Biomaterials for Therapeutic and Diagnostic Applications. PROGRESS IN BIOMEDICAL ENGINEERING (BRISTOL, ENGLAND) 2022; 4:012003. [PMID: 34950852 PMCID: PMC8691744 DOI: 10.1088/2516-1091/ac2841] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Proteins are some of the most versatile and studied macromolecules with extensive biomedical applications. The natural and biological origin of proteins offer such materials several advantages over their synthetic counterparts, such as innate bioactivity, recognition by cells and reduced immunogenic potential. Furthermore, proteins can be easily functionalized by altering their primary amino acid sequence and can often be further self-assembled into higher order structures either spontaneously or under specific environmental conditions. This review will feature the recent advances in protein-based biomaterials in the delivery of therapeutic cargo such as small molecules, genetic material, proteins, and cells. First, we will discuss the ways in which secondary structural motifs, the building blocks of more complex proteins, have unique properties that enable them to be useful for therapeutic delivery. Next, supramolecular assemblies, such as fibers, nanoparticles, and hydrogels, made from these building blocks that are engineered to behave in a cohesive manner, are discussed. Finally, we will cover additional modifications to protein materials that impart environmental responsiveness to materials. This includes the emerging field of protein molecular robots, and relatedly, protein-based theranostic materials that combine therapeutic potential with modern imaging modalities, including near-infrared fluorescence spectroscopy (NIRF), single-photo emission computed tomography/computed tomography (SPECT/CT), positron emission tomography (PET), magnetic resonance imaging (MRI), and ultrasound/photoacoustic imaging (US/PAI).
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Affiliation(s)
- Stanley Chu
- Department of Chemical and Biomolecular Engineering, NYU Tandon School of Engineering, Brooklyn, NY, USA
| | - Andrew L Wang
- Department of Chemical and Biomolecular Engineering, NYU Tandon School of Engineering, Brooklyn, NY, USA
- Department of Biomedical Engineering, State University of New York Downstate Medical Center, Brooklyn, NY, USA
- College of Medicine, State University of New York Downstate Medical Center, Brooklyn, NY, USA
| | - Aparajita Bhattacharya
- Department of Chemical and Biomolecular Engineering, NYU Tandon School of Engineering, Brooklyn, NY, USA
- Department of Molecular and Cellular Biology, State University of New York Downstate Medical Center, Brooklyn, NY, USA
| | - Jin Kim Montclare
- Department of Chemical and Biomolecular Engineering, NYU Tandon School of Engineering, Brooklyn, NY, USA
- Department of Chemistry, NYU, New York, NY, USA
- Department of Biomaterials, NYU College of Dentistry, New York, NY, USA
- Department of Radiology, NYU Langone Health, New York, NY, USA
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19
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Rabiee N, Bagherzadeh M, Ghadiri AM, Kiani M, Ahmadi S, Jajarmi V, Fatahi Y, Aldhaher A, Tahriri M, Webster TJ, Mostafavi E. Calcium-based nanomaterials and their interrelation with chitosan: optimization for pCRISPR delivery. JOURNAL OF NANOSTRUCTURE IN CHEMISTRY 2022; 12:919-932. [PMID: 34580605 PMCID: PMC8457547 DOI: 10.1007/s40097-021-00446-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 09/03/2021] [Indexed: 05/17/2023]
Abstract
UNLABELLED There have been numerous advancements in the early diagnosis, detection, and treatment of genetic diseases. In this regard, CRISPR technology is promising to treat some types of genetic issues. In this study, the relationship between calcium (due to its considerable physicochemical properties) and chitosan (as a natural linear polysaccharide) was investigated and optimized for pCRISPR delivery. To achieve this, different forms of calcium, such as calcium nanoparticles (CaNPs), calcium phosphate (CaP), a binary blend of calcium and chitosan including CaNPs/Chitosan and CaP/Chitosan, as well as their tertiary blend including CaNPs-CaP/Chitosan, were prepared via both routine and green procedures using Salvia hispanica to reduce toxicity and increase nanoparticle stability (with a yield of 85%). Such materials were also applied to the human embryonic kidney (HEK-293) cell line for pCRISPR delivery. The results were optimized using different characterization techniques demonstrating acceptable binding with DNA (for both CaNPs/Chitosan and CaNPs-CaP/Chitosan) significantly enhancing green fluorescent protein (EGFP) (about 25% for CaP/Chitosan and more than 14% for CaNPs-CaP/Chitosan). SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40097-021-00446-1.
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Affiliation(s)
- Navid Rabiee
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | | | | | - Mahsa Kiani
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Sepideh Ahmadi
- Student Research Committee, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Vahid Jajarmi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Biology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14155-6451 Iran
- Faculty of Pharmacy, Nanotechnology Research Center, Tehran University of Medical Sciences, Tehran, 14155-6451 Iran
- Universal Scientific Education and Research Network (USERN), Tehran, 15875-4413 Iran
| | - Abdullah Aldhaher
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | | | - Thomas J. Webster
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115 USA
| | - Ebrahim Mostafavi
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115 USA
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305 USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305 USA
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20
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Chang MP, Huang W, Mai DJ. Monomer‐scale design of functional protein polymers using consensus repeat sequences. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210506] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Marina P. Chang
- Department of Materials Science and Engineering Stanford University Stanford California USA
| | - Winnie Huang
- Department of Chemical Engineering Stanford University Stanford California USA
| | - Danielle J. Mai
- Department of Chemical Engineering Stanford University Stanford California USA
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21
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Injectable and In Situ Gelling Dextran Derivatives Containing Hydrolyzable Groups for the Delivery of Large Molecules. Gels 2021; 7:gels7040150. [PMID: 34698160 PMCID: PMC8544551 DOI: 10.3390/gels7040150] [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: 08/27/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 11/17/2022] Open
Abstract
Recently, we reported the synthesis and characterization of a new dextran derivative obtained by grafting polyethylene glycol methacrylate to a polysaccharide backbone through a carbonate bond. This moiety was introduced because it allows for the fabrication, through a photo-induced crosslinking reaction, of biodegradable hydrogels particularly suitable for the release of high molecular weight molecules. Here, we investigate the influence of the oxyethylene chain length and the molecular weight of the starting dextran on the main properties of the polymeric solutions as well as those of the corresponding hydrogels. All synthesized polymeric derivatives were characterized by FTIR, NMR, and rheological analyses. The photo-crosslinking reaction of the polymers allowed us to obtain biodegradable networks tested for their mechanical properties, swelling, and degradation behavior. The results showed that both the oxyethylene chain length as well as the molecular weight of the starting dextran influenced swelling and degradation of the hydrogel network. As a consequence, the different behaviors in terms of swelling and degradability were able to affect the release of a large model molecule over time, making these matrices suitable candidates for the delivery of high molecular weight drug substances.
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22
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Kalirajan C, Dukle A, Nathanael AJ, Oh TH, Manivasagam G. A Critical Review on Polymeric Biomaterials for Biomedical Applications. Polymers (Basel) 2021; 13:3015. [PMID: 34503054 PMCID: PMC8433665 DOI: 10.3390/polym13173015] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 12/18/2022] Open
Abstract
Natural and synthetic polymers have been explored for many years in the field of tissue engineering and regeneration. Researchers have developed many new strategies to design successful advanced polymeric biomaterials. In this review, we summarized the recent notable advancements in the preparation of smart polymeric biomaterials with self-healing and shape memory properties. We also discussed novel approaches used to develop different forms of polymeric biomaterials such as films, hydrogels and 3D printable biomaterials. In each part, the applications of the biomaterials in soft and hard tissue engineering with their in vitro and in vivo effects are underlined. The future direction of the polymeric biomaterials that could pave a path towards successful clinical implications is also underlined in this review.
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Affiliation(s)
- Cheirmadurai Kalirajan
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Amey Dukle
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Arputharaj Joseph Nathanael
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Tae-Hwan Oh
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea
| | - Geetha Manivasagam
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
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23
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Firipis K, Nisbet DR, Franks SJ, Kapsa RMI, Pirogova E, Williams RJ, Quigley A. Enhancing Peptide Biomaterials for Biofabrication. Polymers (Basel) 2021; 13:polym13162590. [PMID: 34451130 PMCID: PMC8400132 DOI: 10.3390/polym13162590] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 07/30/2021] [Indexed: 12/20/2022] Open
Abstract
Biofabrication using well-matched cell/materials systems provides unprecedented opportunities for dealing with human health issues where disease or injury overtake the body’s native regenerative abilities. Such opportunities can be enhanced through the development of biomaterials with cues that appropriately influence embedded cells into forming functional tissues and organs. In this context, biomaterials’ reliance on rigid biofabrication techniques needs to support the incorporation of a hierarchical mimicry of local and bulk biological cues that mimic the key functional components of native extracellular matrix. Advances in synthetic self-assembling peptide biomaterials promise to produce reproducible mimics of tissue-specific structures and may go some way in overcoming batch inconsistency issues of naturally sourced materials. Recent work in this area has demonstrated biofabrication with self-assembling peptide biomaterials with unique biofabrication technologies to support structural fidelity upon 3D patterning. The use of synthetic self-assembling peptide biomaterials is a growing field that has demonstrated applicability in dermal, intestinal, muscle, cancer and stem cell tissue engineering.
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Affiliation(s)
- Kate Firipis
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - David R. Nisbet
- Laboratory of Advanced Biomaterials, The Australian National University, Acton, Canberra, ACT 2601, Australia; (D.R.N.); (S.J.F.)
- The Graeme Clark Institute, Faculty of Engineering and Information Technology, Melbourne, VIC 3000, Australia
- Faculty of Medicine, Dentistry and Health Services, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Stephanie J. Franks
- Laboratory of Advanced Biomaterials, The Australian National University, Acton, Canberra, ACT 2601, Australia; (D.R.N.); (S.J.F.)
| | - Robert M. I. Kapsa
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
- Department of Medicine, Melbourne University, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3064, Australia
| | - Elena Pirogova
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Richard J. Williams
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Institute of Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Waurn Ponds, VIC 3216, Australia
- Correspondence: (R.J.W.); (A.Q.)
| | - Anita Quigley
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
- Department of Medicine, Melbourne University, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3064, Australia
- Correspondence: (R.J.W.); (A.Q.)
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24
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Li Z, Cai B, Yang W, Chen CL. Hierarchical Nanomaterials Assembled from Peptoids and Other Sequence-Defined Synthetic Polymers. Chem Rev 2021; 121:14031-14087. [PMID: 34342989 DOI: 10.1021/acs.chemrev.1c00024] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In nature, the self-assembly of sequence-specific biopolymers into hierarchical structures plays an essential role in the construction of functional biomaterials. To develop synthetic materials that can mimic and surpass the function of these natural counterparts, various sequence-defined bio- and biomimetic polymers have been developed and exploited as building blocks for hierarchical self-assembly. This review summarizes the recent advances in the molecular self-assembly of hierarchical nanomaterials based on peptoids (or poly-N-substituted glycines) and other sequence-defined synthetic polymers. Modern techniques to monitor the assembly mechanisms and characterize the physicochemical properties of these self-assembly systems are highlighted. In addition, discussions about their potential applications in biomedical sciences and renewable energy are also included. This review aims to highlight essential features of sequence-defined synthetic polymers (e.g., high stability and protein-like high-information content) and how these unique features enable the construction of robust biomimetic functional materials with high programmability and predictability, with an emphasis on peptoids and their self-assembled nanomaterials.
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Affiliation(s)
- Zhiliang Li
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States.,Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Bin Cai
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States.,School of Chemistry and Chemical Engineering, Shandong University, Shandong 250100, China
| | - Wenchao Yang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States.,School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China
| | - Chun-Long Chen
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, United States.,Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, United States
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25
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Le Guen C, Dussouillez C, Kichler A, Chan-Seng D. Insertion of hydrophobic spacers on dodecalysines as potential transfection enhancers. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Jameson JF, Pacheco MO, Butler JE, Stoppel WL. Estimating Kinetic Rate Parameters for Enzymatic Degradation of Lyophilized Silk Fibroin Sponges. Front Bioeng Biotechnol 2021; 9:664306. [PMID: 34295878 PMCID: PMC8290342 DOI: 10.3389/fbioe.2021.664306] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/31/2021] [Indexed: 11/25/2022] Open
Abstract
Sponge-like biomaterials formed from silk fibroin are promising as degradable materials in clinical applications due to their controllable breakdown into simple amino acids or small peptides in vivo. Silk fibroin, isolated from Bombyx mori silkworm cocoons, can be used to form sponge-like materials with a variety of tunable parameters including the elastic modulus, porosity and pore size, and level of nanocrystalline domains. These parameters can be independently tuned during formulation resulting in a wide parameter space and set of final materials. Determining the mechanism and rate constants for biomaterial degradation of these tunable silk materials would allow scientists to evaluate and predict the biomaterial performance for the large array of tissue engineering applications and patient ailments a priori. We first measured in vitro degradation rates of silk sponges using common protein-degrading enzymes such as Proteinase K and Protease XIV. The concentration of the enzyme in solution was varied (1, 0.1, 0.01 U/mL) along with one silk sponge formulation parameter: the level of crystallinity within the sponge. Additionally, two experimental degradation methods were evaluated, termed continuous and discrete degradation methods. Silk concentration, polymer chain length and scaffold pore size were held constant during experimentation and kinetic parameter estimation. Experimentally, we observed that the enzyme itself, enzyme concentration within the bulk solution, and the sponge fabrication water annealing time were the major experimental parameters dictating silk sponge degradation in our experimental design. We fit the experimental data to two models, a Michaelis-Menten kinetic model and a modified first order kinetic model. Weighted, non-linear least squares analysis was used to determine the parameters from the data sets and Monte-Carlo simulations were utilized to obtain estimates of the error. We found that modified first order reaction kinetics fit the time-dependent degradation of lyophilized silk sponges and we obtained first order-like rate constants. These results represent the first investigations into determining kinetic parameters to predict lyophilized silk sponge degradation rates and can be a tool for future mathematical representations of silk biomaterial degradation.
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Affiliation(s)
- Julie F Jameson
- Department of Chemical Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, United States
| | - Marisa O Pacheco
- Department of Chemical Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, United States
| | - Jason E Butler
- Department of Chemical Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, United States
| | - Whitney L Stoppel
- Department of Chemical Engineering, Herbert Wertheim College of Engineering, University of Florida, Gainesville, FL, United States
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27
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Kametani Y, Ouchi M. One-Pot Preparation of Methacrylate/Styrene Alternating Copolymers via Radical Copolymerization and Alcoholysis Modification: Sequence Impacts on Glass Transition Temperature. ACS POLYMERS AU 2021; 1:10-15. [PMID: 36855550 PMCID: PMC9954197 DOI: 10.1021/acspolymersau.1c00012] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A series of methacrylate/styrene alternating copolymers were efficiently and systematically synthesized via alternating copolymerization of saccharin methacrylamide (1) with styrene and subsequent one-pot alcoholysis transformation with alcohols. The saccharin amide bond in 1 was stable enough that 1 was used as a bench-stable monomer, but the bond became reactive toward alcohols after the copolymerization. Thanks to the specific feature, the postpolymerization modification could be performed under mild conditions despite easy handling of the monomer. The quantitative transformation as well as the alternating sequence were certainly supported by 1H NMR and MALDI-TOF-MS analyses. The alternating copolymers carrying relatively short alkyl pendants expressed lower glass transition temperatures than those of the statistical counterparts. Moreover, the alternating copolymerization was controlled via a RAFT polymerization system, affording a unique block copolymer composed of alternating copolymer segments.
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28
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Abstract
The freezing of water into ice is one of the most important processes in the physical sciences. However, it is still not understood at the molecular level. In particular, the crystallization of cubic ice ([Formula: see text])-rather than the traditional hexagonal polytype ([Formula: see text])-has become an increasingly debated topic. Although evidence for [Formula: see text] is thought to date back almost 400 y, it is only in the last year that pure [Formula: see text] has been made in the laboratory, and these processes involved high-pressure ice phases. Since this demonstrates that pure [Formula: see text] can form, the question naturally arises if [Formula: see text] can be made from liquid water. With this in mind, we have performed a high-throughput computational screening study involving molecular dynamics simulations of nucleation on over 1,100 model substrates. From these simulations, we find that 1) many different substrates can promote the formation of pristine [Formula: see text]; 2) [Formula: see text] can be selectively nucleated for even the mildest supercooling; 3) the water contact layer's resemblance to a face of ice is the key factor determining the polytype selectivity and nucleation temperature, independent of which polytype is promoted; and 4) substrate lattice match to ice is not indicative of the polytype obtained. Through this study, we have deepened understanding of the interplay of heterogeneous nucleation and ice I polytypism and suggest routes to [Formula: see text] More broadly, the substrate design methodology presented here combined with the insight gained can be used to understand and control polymorphism and stacking disorder in materials in general.
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29
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Biomaterials in treatment of Alzheimer's disease. Neurochem Int 2021; 145:105008. [PMID: 33684545 DOI: 10.1016/j.neuint.2021.105008] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 03/01/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD) is a non-recoverable progressive neurodegenerative disorder most prevalent but not limited to the old age population. After all the scientific efforts, there are still many unmet criteria and loopholes in available treatment and diagnostic strategies, limiting their efficacy. The poor drug efficacy is attributed to various biological hurdles, including blood-brain barrier (BBB) and peripheral side effects as most prominent ones and the lack of promising carriers to precisely deliver the drug to the brain by conserving its therapeutic potency. The increasing disease prevalence and unavailability of effective therapy calls for developing a more innovative, convenient and affordable way to treat AD. To fulfill such need, researchers explored various biomaterials to develop potential vectors or other forms to target the bioactives in the brain by preserving their inherent properties, improving the existing lacuna like poor solubility, permeability and bioavailability etc. and minimize the side effect. The unique characteristic properties of biomaterials are used to develop different drug carriers, surface modifying target active ligands, functional carriers, drug conjugate, biosensing probe, diagnostic tool and many more. The nanoparticulate system and other colloidal carriers like hydrogel and biodegradable scaffold can effectively target the drug moieties to the brain. Also, the use of different target-acting ligands and stimuli-responsive carriers assures the site-specificity and controlled release at the desired site by interaction with receptors and various exo- and endogenous stimuli. This review article has highlighted the application of biomaterials for targeting the drug to the brain and as promising diagnostic tools to detect the markers for better AD management. The work particularly focuses on the use of biomaterials as smart drug carriers including pH, thermo, photo, electro and magnetically triggered system; novel drug carriers for brain targeting including polymeric carriers (polymeric nanoparticle, dendrimer and polymeric micelle); lipid carrier (liposome, nanoemulsion, NLC and SLN); inorganic nanoparticles (quantum dots, gold nanoparticles etc.); and other drug vectors (hydrogel, biodegradable scaffold, and carbon nanotube) in treatment of AD. It also highlighted the application of some novel carrier systems and biomaterials as biosensor and other diagnostic tools for early and precise AD diagnosis.
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Yang C, Wu KB, Deng Y, Yuan J, Niu J. Geared Toward Applications: A Perspective on Functional Sequence-Controlled Polymers. ACS Macro Lett 2021; 10:243-257. [PMID: 34336395 PMCID: PMC8320758 DOI: 10.1021/acsmacrolett.0c00855] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sequence-controlled polymers are an emerging class of synthetic polymers with a regulated sequence of monomers. In the past decade, tremendous progress has been made in the synthesis of polymers with the sophisticated sequence control approaching the level manifested in biopolymers. In contrast, the exploration of novel functions that can be achieved by controlling synthetic polymer sequences represents an emerging focus in polymer science. This Viewpoint will survey recent advances in the functional applications of sequence-controlled polymers and provide a perspective on the challenges and outlook for pursuing future applications of this fascinating class of macromolecules.
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Affiliation(s)
- Cangjie Yang
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Kevin B. Wu
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Yu Deng
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jingsong Yuan
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jia Niu
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
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31
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Di Blasi R, Zouein A, Ellis T, Ceroni F. Genetic Toolkits to Design and Build Mammalian Synthetic Systems. Trends Biotechnol 2021; 39:1004-1018. [PMID: 33526300 DOI: 10.1016/j.tibtech.2020.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 11/17/2022]
Abstract
Construction of DNA-encoded programs is central to synthetic biology and the chosen method often determines the time required to design and build constructs for testing. Here, we describe and summarise key features of the available toolkits for DNA construction for mammalian cells. We compare the different cloning strategies based on their complexity and the time needed to generate constructs of different sizes, and we reflect on why Golden Gate toolkits now dominate due to their modular design. We look forward to future advances, including accessory packs for cloning toolkits that can facilitate editing, orthogonality, advanced regulation, and integration into synthetic chromosome construction.
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Affiliation(s)
- Roberto Di Blasi
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, UK; Imperial College Centre for Synthetic Biology, South Kensington Campus, London, UK
| | - Annalise Zouein
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, UK; Imperial College Centre for Synthetic Biology, South Kensington Campus, London, UK; Department of Bioengineering, Imperial College London, South Kensington Campus, London, UK
| | - Tom Ellis
- Imperial College Centre for Synthetic Biology, South Kensington Campus, London, UK; Department of Bioengineering, Imperial College London, South Kensington Campus, London, UK; Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge, UK
| | - Francesca Ceroni
- Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, UK; Imperial College Centre for Synthetic Biology, South Kensington Campus, London, UK.
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32
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Rabiee N, Bagherzadeh M, Ghadiri AM, Salehi G, Fatahi Y, Dinarvand R. ZnAl nano layered double hydroxides for dual functional CRISPR/Cas9 delivery and enhanced green fluorescence protein biosensor. Sci Rep 2020; 10:20672. [PMID: 33244160 PMCID: PMC7693303 DOI: 10.1038/s41598-020-77809-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 11/17/2020] [Indexed: 12/11/2022] Open
Abstract
Evaluation of the effect of different parameters for designing a non-viral vector in gene delivery systems has great importance. In this manner, 2D crystals, precisely layered double hydroxides, have attracted the attention of scientists due to their significant adjustability and low-toxicity and low-cost preparation procedure. In this work, the relationship between different physicochemical properties of LDH, including pH, size, zeta potential, and synthesis procedure, was investigated and optimized for CRISPR/Cas9 delivery and reverse fluorescence response to the EGFP. In this manner, ZnAl LDH and ZnAl HMTA LDH were synthesized and characterized and applied in the HEK-293 cell line to deliver CRISPR/Cas9. The results were optimized by different characterizations as well as Gel Electrophoresis and showed acceptable binding ability with the DNA that could be considered as a promising and also new gold-standard for the delivery of CRISPR/Cas9. Also, the relationship of the presence of tertiary amines (in this case, hexamethylenetetramine (HMTA) as the templates) in the structure of the ZnAl LDH, as well as the gene delivery application, was evaluated. The results showed more than 79% of relative cell viability in most of the weight ratios of LDH to CRISPR/Cas9; fully quenching the fluorescence intensity of the EGFP/LDH in the presence of 15 µg mL-1 of the protoporphyrins along with the detection limit of below 2.1 µg mL-1, the transfection efficiency of around 33% of the GFP positive cell for ZnAl LDH and more than 38% for the ZnAl LDH in the presence of its tertiary amine template.
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Affiliation(s)
- Navid Rabiee
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | | | | | - Ghazal Salehi
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Rassoul Dinarvand
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Taresco V, Abelha TF, Cavanagh RJ, Vasey CE, Anane‐Adjei AB, Pearce AK, Monteiro PF, Spriggs KA, Clarke P, Ritchie A, Martin S, Rahman R, Grabowska AM, Ashford MB, Alexander C. Functionalized Block Co‐Polymer Pro‐Drug Nanoparticles with Anti‐Cancer Efficacy in 3D Spheroids and in an Orthotopic Triple Negative Breast Cancer Model. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Vincenzo Taresco
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | - Thais F. Abelha
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | - Robert J. Cavanagh
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | - Catherine E. Vasey
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | | | - Amanda K. Pearce
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
- School of Chemistry University of Birmingham Birmingham B15 2TT UK
| | - Patrícia F. Monteiro
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | - Keith A. Spriggs
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
| | - Philip Clarke
- AstraZeneca Pharmaceutical Sciences Innovative Medicines Silk Court Business Park Macclesfield Cheshire SK10 2NA UK
| | - Alison Ritchie
- AstraZeneca Pharmaceutical Sciences Innovative Medicines Silk Court Business Park Macclesfield Cheshire SK10 2NA UK
| | - Stewart Martin
- AstraZeneca Pharmaceutical Sciences Innovative Medicines Silk Court Business Park Macclesfield Cheshire SK10 2NA UK
| | - Ruman Rahman
- AstraZeneca Pharmaceutical Sciences Innovative Medicines Silk Court Business Park Macclesfield Cheshire SK10 2NA UK
| | - Anna M. Grabowska
- AstraZeneca Pharmaceutical Sciences Innovative Medicines Silk Court Business Park Macclesfield Cheshire SK10 2NA UK
| | - Marianne B. Ashford
- Division of Cancer and Stem Cells Faculty of Medicine & Health Sciences University of Nottingham Nottingham NG7 2RD UK
| | - Cameron Alexander
- School of Pharmacy University Park University of Nottingham Nottingham NG7 2RD UK
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35
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Morton LD, Hillsley A, Austin MJ, Rosales AM. Tuning hydrogel properties with sequence-defined, non-natural peptoid crosslinkers. J Mater Chem B 2020; 8:6925-6933. [PMID: 32436556 DOI: 10.1039/d0tb00683a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The native extracellular matrix (ECM) is composed of hierarchically structured biopolymers containing precise monomer sequences and chain shapes to yield bioactivity. Recapitulating this structure in synthetic hydrogels is of particular interest for tissue engineering and in vitro disease models to accurately mimic biological microenvironments. However, despite extensive research on hydrogels, it remains a challenge to recapitulate the hierarchical structure of native ECM with completely synthetic hydrogel platforms. Toward this end, this work presents a synthetic hydrogel system using commercially available poly(ethylene glycol) macromers with sequence-defined poly(N-substituted glycines) (peptoids) as crosslinkers. We demonstrate that bulk hydrogel mechanics, specifically as shear storage modulus, can be controlled by altering peptoid sequence and structure. Notably, the helical peptoid sequence investigated here increases the storage modulus of the resulting hydrogels with increasing helical content and chain length, in a fashion similar to helical peptide-crosslinked hydrogels. In addition, the resulting hydrogels are shown to be hydrolytically and enzymatically stable due to the N-substituted peptidomimetic backbone of the crosslinkers. We further demonstrate the potential utility of these peptoid-crosslinked hydrogels as a viable cell culture platform using seeded human dermal fibroblasts in comparison to peptide-crosslinked hydrogels as a control. Taken together, our system offers a strategy toward ECM mimics that replicate the hierarchy of biological matrices with completely synthetic, sequence-defined molecules.
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Affiliation(s)
- Logan D Morton
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, USA.
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36
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Schunk HC, Hernandez DS, Austin MJ, Dhada KS, Rosales AM, Suggs LJ. Assessing the range of enzymatic and oxidative tunability for biosensor design. J Mater Chem B 2020; 8:3460-3487. [PMID: 32159202 PMCID: PMC7219111 DOI: 10.1039/c9tb02666e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Development of multi-functional materials and biosensors that can achieve an in situ response designed by the user is a current need in the biomaterials field, especially in complex biological environments, such as inflammation, where multiple enzymatic and oxidative signals are present. In the past decade, there has been extensive research and development of materials chemistries for detecting and monitoring enzymatic activity, as well as for releasing therapeutic and diagnostic agents in regions undergoing oxidative stress. However, there has been limited development of materials in the context of enzymatic and oxidative triggers together, despite their closely tied and overlapping mechanisms. With research focusing on enzymatically and oxidatively triggered materials separately, these systems may be inadequate in monitoring the complexity of inflammatory environments, thus limiting in vivo translatability and diagnostic accuracy. The intention of this review is to highlight a variety of enzymatically and oxidatively triggered materials chemistries to draw attention to the range of synthetic tunability available for the construction of novel biosensors with a spectrum of programmed responses. We focus our discussion on several types of macromolecular sensors, generally classified by the causative material response driving ultimate signal detection. This includes sensing based on degradative processes, conformational changes, supramolecular assembly/disassembly, and nanomaterial interactions, among others. We see each of these classes providing valuable tools toward coalescing current gaps in the biosensing field regarding specificity, selectivity, sensitivity, and flexibility in application. Additionally, by considering the materials chemistry of enzymatically and oxidatively triggered biomaterials in tandem, we hope to encourage synthesis of new biosensors that capitalize on their synergistic roles and overlapping mechanisms in inflammatory environments for applications in disease diagnosis and monitoring.
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Affiliation(s)
- Hattie C Schunk
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX 78712, USA.
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37
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Affiliation(s)
- Hailong Fan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University,
N21W10, Kita-ku, Sapporo 001-0021, Japan
| | - Jian Ping Gong
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University,
N21W10, Kita-ku, Sapporo 001-0021, Japan
- Faculty of Advanced Life Science, Hokkaido University, N21W11, Kita-ku, Sapporo 001-0021, Japan
- Global Station for Soft Matter GI-CoRE, Hokkaido University, N21W11, Kita-ku, Sapporo 001-0021, Japan
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38
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Perry SL, Sing CE. 100th Anniversary of Macromolecular Science Viewpoint: Opportunities in the Physics of Sequence-Defined Polymers. ACS Macro Lett 2020; 9:216-225. [PMID: 35638672 DOI: 10.1021/acsmacrolett.0c00002] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Polymer science has been driven by ever-increasing molecular complexity, as polymer synthesis expands an already-vast palette of chemical and architectural parameter space. Copolymers represent a key example, where simple homopolymers have given rise to random, alternating, gradient, and block copolymers. Polymer physics has provided the insight needed to explore this monomer sequence parameter space. The future of polymer science, however, must contend with further increases in monomer precision, as this class of macromolecules moves ever closer to the sequence-monodisperse polymers that are the workhorses of biology. The advent of sequence-defined polymers gives rise to opportunities for material design, with increasing levels of chemical information being incorporated into long-chain molecules; however, this also raises questions that polymer physics must address. What properties uniquely emerge from sequence-definition? Is this circumstance-dependent? How do we define and think about sequence dispersity? How do we think about a hierarchy of sequence effects? Are more sophisticated characterization methods, as well as theoretical and computational tools, needed to understand this class of macromolecules? The answers to these questions touch on many difficult scientific challenges, setting the stage for a rich future for sequence-defined polymers in polymer physics.
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Affiliation(s)
- Sarah L. Perry
- Department of Chemical Engineering, University of Massachusetts−Amherst, 686 North Pleasant Street, Amherst, Massachusetts 01003, United States
| | - Charles E. Sing
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana−Champaign, 600 South Mathews Avenue Urbana, Illinois 61801, United States
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Zaborniak I, Chmielarz P, Matyjaszewski K. Synthesis of Riboflavin‐Based Macromolecules through Low ppm ATRP in Aqueous Media. MACROMOL CHEM PHYS 2020. [DOI: 10.1002/macp.201900496] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Izabela Zaborniak
- Department of Physical ChemistryFaculty of ChemistryRzeszow University of Technology Al. Powstańców Warszawy 6 35‐959 Rzeszów Poland
- Center for Macromolecular EngineeringDepartment of ChemistryCarnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Paweł Chmielarz
- Department of Physical ChemistryFaculty of ChemistryRzeszow University of Technology Al. Powstańców Warszawy 6 35‐959 Rzeszów Poland
- Center for Macromolecular EngineeringDepartment of ChemistryCarnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
| | - Krzysztof Matyjaszewski
- Center for Macromolecular EngineeringDepartment of ChemistryCarnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
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40
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Han F, Shi Q, Zhang L, Liu B, Zhang Y, Gao Y, Jia R, Zhang Z, Zhu X. Stereoisomeric furan/maleimide adducts as latent monomers for one-shot sequence-controlled polymerization. Polym Chem 2020. [DOI: 10.1039/c9py01379b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Two stereoisomeric latent monomers were used for one-shot sequence-controlled polymerization to create diverse sequence structures.
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Affiliation(s)
- Fufu Han
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Qiunan Shi
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Liuqiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Baolei Liu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Yajie Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Yang Gao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Rui Jia
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
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Lee W, Hong Y, Dai G. 3D bioprinting of vascular conduits for pediatric congenital heart repairs. Transl Res 2019; 211:35-45. [PMID: 31034816 PMCID: PMC6702035 DOI: 10.1016/j.trsl.2019.03.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/21/2019] [Accepted: 03/24/2019] [Indexed: 12/27/2022]
Abstract
In children with congenital heart defects, surgical correction often involves the use of valves, patches or vascular conduits to establish anatomic continuity. Due to the differences between the pediatric and adult populations, tissue reconstruction in pediatric patients requires a substantially different approach from those in adults. Cardiovascular anatomy of children with congenital heart defect vary, which requires tailored surgical operations for each patient. Since grafts used in these palliative surgeries are sensitive to the local hemodynamic environments, their geometries need to be precisely designed to ensure long-term performance. Tissue engineered vascular grafts (TEVGs) have made tremendous progress over the past decade, but it remains difficult to fabricate patient- and operation-specific vascular grafts. This review summarizes historical milestones of TEVG development for repairing pediatric congenital defects and current clinical outcomes. We also highlight ongoing works on 3D bioprinting of TEVGs with complex geometries and address the current limitations of each technique. Although 3D bioprinted vascular grafts with appropriate functions are yet to be developed, some of the current researches are promising to create better patient specific tissue engineered vascular grafts in the future.
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Affiliation(s)
- Wenhan Lee
- Department of Bioengineering, Northeastern University, Boston, Massachusetts
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas
| | - Guohao Dai
- Department of Bioengineering, Northeastern University, Boston, Massachusetts.
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Abstract
Sequence-defined polymer: A promising gateway for the next generation polymeric materials and vast opportunities for new synthetic strategies, functional diversity and its material and biomedical applications.
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Affiliation(s)
| | - Mintu Porel
- Discipline of Chemistry
- Indian Institute of Technology Palakkad
- India
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43
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Rajakanthan A, Jongh PAJMD, Town JS, Wilson P, Kempe K. A sequential native chemical ligation – thiol-Michael addition strategy for polymer–polymer ligation. Polym Chem 2019. [DOI: 10.1039/c9py01198f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Native Chemical Ligation (NCL) between cysteine-terminated polymers and functional thioesters has been employed to prepare functional (co)polymers. The retained thiol functionality at the NCL junction can be exploited for thiol-Michael addition.
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Affiliation(s)
| | | | - James S. Town
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | - Paul Wilson
- Department of Chemistry
- University of Warwick
- Coventry
- UK
| | - Kristian Kempe
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- and Drug Delivery
- Disposition and Dynamics
- Monash Institute of Pharmaceutical Sciences
- Monash University
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