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Rozans S, Moghaddam AS, Wu Y, Atanasoff K, Nino L, Dunne K, Pashuck ET. Quantifying and Controlling the Proteolytic Degradation of Cell Adhesion Peptides. ACS Biomater Sci Eng 2024; 10:4916-4926. [PMID: 38968389 PMCID: PMC11322908 DOI: 10.1021/acsbiomaterials.4c00736] [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: 04/19/2024] [Revised: 06/10/2024] [Accepted: 06/18/2024] [Indexed: 07/07/2024]
Abstract
Peptides are widely used within biomaterials to improve cell adhesion, incorporate bioactive ligands, and enable cell-mediated degradation of the matrix. While many of the peptides incorporated into biomaterials are intended to be present throughout the life of the material, their stability is not typically quantified during culture. In this work, we designed a series of peptide libraries containing four different N-terminal peptide functionalizations and three C-terminal functionalizations to better understand how simple modifications can be used to reduce the nonspecific degradation of peptides. We tested these libraries with three cell types commonly used in biomaterials research, including mesenchymal stem/stromal cells (hMSCs), endothelial cells, and macrophages, and quantified how these cell types nonspecifically degraded peptides as a function of terminal amino acid and chemistry. We found that peptides in solution which contained N-terminal amines were almost entirely degraded by 48 h, irrespective of the terminal amino acid, and that degradation occurred even at high peptide concentrations. Peptides with C-terminal carboxylic acids also had significant degradation when cultured with the cells. We found that simple modifications to the termini could significantly reduce or completely abolish nonspecific degradation when soluble peptides were added to cells cultured on tissue culture plastic or within hydrogel matrices, and that functionalizations which mimicked peptide conjugations to hydrogel matrices significantly slowed nonspecific degradation. We also found that there were minimal differences in peptide degradation across cell donors and that sequences mimicking different peptides commonly used to functionalize biomaterials all had significant nonspecific degradation. Finally, we saw that there was a positive trend between RGD stability and hMSC spreading within hydrogels, indicating that improving the stability of peptides within biomaterial matrices may improve the performance of engineered matrices.
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Affiliation(s)
- Samuel
J. Rozans
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - Abolfazl Salehi Moghaddam
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - Yingjie Wu
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - Kayleigh Atanasoff
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - Liliana Nino
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - Katelyn Dunne
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
| | - E. Thomas Pashuck
- Department of Bioengineering, Lehigh University, 7
Asa Drive, Suite 205, Bethlehem, PA 18015, United States
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2
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Rozans SJ, Moghaddam AS, Wu Y, Atanasoff K, Nino L, Dunne K, Pashuck ET. Quantifying and controlling the proteolytic degradation of cell adhesion peptides. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.19.590329. [PMID: 38712239 PMCID: PMC11071418 DOI: 10.1101/2024.04.19.590329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Peptides are widely used within biomaterials to improve cell adhesion, incorporate bioactive ligands, and enable cell-mediated degradation of the matrix. While many of the peptides incorporated into biomaterials are intended to be present throughout the life of the material, their stability is not typically quantified during culture. In this work we designed a series of peptide libraries containing four different N-terminal peptide functionalizations and three C-terminal functionalization to better understand how simple modifications can be used to reduce non-specific degradation of peptides. We tested these libraries with three cell types commonly used in biomaterials research, including mesenchymal stem/stromal cells (hMSCs), endothelial cells, and macrophages, and quantified how these cell types non-specifically degraded peptide as a function of terminal amino acid and chemistry. We found that peptides in solution which contained N-terminal amines were almost entirely degraded by 48 hours, irrespective of the terminal amino acid, and that degradation occurred even at high peptide concentrations. Peptides with C-terminal carboxylic acids also had significant degradation when cultured with cells. We found that simple modifications to the termini could significantly reduce or completely abolish non-specific degradation when soluble peptides were added to cells cultured on tissue culture plastic or within hydrogel matrices, and that functionalizations which mimicked peptide conjugations to hydrogel matrices significantly slowed non-specific degradation. We also found that there were minimal differences across cell donors, and that sequences mimicking different peptides commonly-used to functionalized biomaterials all had significant non-specific degradation. Finally, we saw that there was a positive trend between RGD stability and hMSC spreading within hydrogels, indicating that improving the stability of peptides within biomaterial matrices may improve the performance of engineered matrices.
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3
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Dranseike D, Ota Y, Edwardson TGW, Guzzi EA, Hori M, Nakic ZR, Deshmukh DV, Levasseur MD, Mattli K, Tringides CM, Zhou J, Hilvert D, Peters C, Tibbitt MW. Designed modular protein hydrogels for biofabrication. Acta Biomater 2024; 177:107-117. [PMID: 38382830 DOI: 10.1016/j.actbio.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/01/2024] [Accepted: 02/13/2024] [Indexed: 02/23/2024]
Abstract
Designing proteins that fold and assemble over different length scales provides a way to tailor the mechanical properties and biological performance of hydrogels. In this study, we designed modular proteins that self-assemble into fibrillar networks and, as a result, form hydrogel materials with novel properties. We incorporated distinct functionalities by connecting separate self-assembling (A block) and cell-binding (B block) domains into single macromolecules. The number of self-assembling domains affects the rigidity of the fibers and the final storage modulus G' of the materials. The mechanical properties of the hydrogels could be tuned over a broad range (G' = 0.1 - 10 kPa), making them suitable for the cultivation and differentiation of multiple cell types, including cortical neurons and human mesenchymal stem cells. Moreover, we confirmed the bioavailability of cell attachment domains in the hydrogels that can be further tailored for specific cell types or other biological applications. Finally, we demonstrate the versatility of the designed proteins for application in biofabrication as 3D scaffolds that support cell growth and guide their function. STATEMENT OF SIGNIFICANCE: Designed proteins that enable the decoupling of biophysical and biochemical properties within the final material could enable modular biomaterial engineering. In this context, we present a designed modular protein platform that integrates self-assembling domains (A blocks) and cell-binding domains (B blocks) within a single biopolymer. The linking of assembly domains and cell-binding domains this way provided independent tuning of mechanical properties and inclusion of biofunctional domains. We demonstrate the use of this platform for biofabrication, including neural cell culture and 3D printing of scaffolds for mesenchymal stem cell culture and differentiation. Overall, this work highlights how informed design of biopolymer sequences can enable the modular design of protein-based hydrogels with independently tunable biophysical and biochemical properties.
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Affiliation(s)
- Dalia Dranseike
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland
| | - Yusuke Ota
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland
| | | | - Elia A Guzzi
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland
| | - Mao Hori
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland
| | | | | | | | - Kevin Mattli
- Biosystems Technology, ZHAW, Wädenswil, Switzerland
| | | | - Jiangtao Zhou
- Laboratory of Food and Soft Materials, ETH Zurich, Switzerland
| | - Donald Hilvert
- Organic Chemistry Laboratory, ETH Zurich, Zurich, Switzerland.
| | | | - Mark W Tibbitt
- Macromolecular Engineering Laboratory, ETH Zurich, Zurich, Switzerland.
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4
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Ligorio C, Mata A. Synthetic extracellular matrices with function-encoding peptides. NATURE REVIEWS BIOENGINEERING 2023; 1:1-19. [PMID: 37359773 PMCID: PMC10127181 DOI: 10.1038/s44222-023-00055-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 03/16/2023] [Indexed: 06/28/2023]
Abstract
The communication of cells with their surroundings is mostly encoded in the epitopes of structural and signalling proteins present in the extracellular matrix (ECM). These peptide epitopes can be incorporated in biomaterials to serve as function-encoding molecules to modulate cell-cell and cell-ECM interactions. In this Review, we discuss natural and synthetic peptide epitopes as molecular tools to bioengineer bioactive hydrogel materials. We present a library of functional peptide sequences that selectively communicate with cells and the ECM to coordinate biological processes, including epitopes that directly signal to cells, that bind ECM components that subsequently signal to cells, and that regulate ECM turnover. We highlight how these epitopes can be incorporated in different biomaterials as individual or multiple signals, working synergistically or additively. This molecular toolbox can be applied in the design of biomaterials aimed at regulating or controlling cellular and tissue function, repair and regeneration.
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Affiliation(s)
- Cosimo Ligorio
- Biodiscovery Institute, University of Nottingham, Nottingham, UK
- Department of Chemical and Environmental Engineering, University of Nottingham, Nottingham, UK
| | - Alvaro Mata
- Biodiscovery Institute, University of Nottingham, Nottingham, UK
- Department of Chemical and Environmental Engineering, University of Nottingham, Nottingham, UK
- School of Pharmacy, University of Nottingham, Nottingham, UK
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5
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Lachance‐Brais C, Rammal M, Asohan J, Katolik A, Luo X, Saliba D, Jonderian A, Damha MJ, Harrington MJ, Sleiman HF. Small Molecule-Templated DNA Hydrogel with Record Stiffness Integrates and Releases DNA Nanostructures and Gene Silencing Nucleic Acids. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205713. [PMID: 36752390 PMCID: PMC10131789 DOI: 10.1002/advs.202205713] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/18/2022] [Indexed: 05/31/2023]
Abstract
Deoxyribonucleic acid (DNA) hydrogels are a unique class of programmable, biocompatible materials able to respond to complex stimuli, making them valuable in drug delivery, analyte detection, cell growth, and shape-memory materials. However, unmodified DNA hydrogels in the literature are very soft, rarely reaching a storage modulus of 103 Pa, and they lack functionality, limiting their applications. Here, a DNA/small-molecule motif to create stiff hydrogels from unmodified DNA, reaching 105 Pa in storage modulus is used. The motif consists of an interaction between polyadenine and cyanuric acid-which has 3-thymine like faces-into multimicrometer supramolecular fibers. The mechanical properties of these hydrogels are readily tuned, they are self-healing and thixotropic. They integrate a high density of small, nontoxic molecules, and are functionalized simply by varying the molecule sidechain. They respond to three independent stimuli, including a small molecule stimulus. These stimuli are used to integrate and release DNA wireframe and DNA origami nanostructures within the hydrogel. The hydrogel is applied as an injectable delivery vector, releasing an antisense oligonucleotide in cells, and increasing its gene silencing efficacy. This work provides tunable, stimuli-responsive, exceptionally stiff all-DNA hydrogels from simple sequences, extending these materials' capabilities.
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Affiliation(s)
| | - Mostafa Rammal
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Jathavan Asohan
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Adam Katolik
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Xin Luo
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Daniel Saliba
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Antranik Jonderian
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | - Masad J. Damha
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
| | | | - Hanadi F. Sleiman
- Department of ChemistryMcGill University801 Sherbrooke St WMontrealH3A 0B8Canada
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Anderson CF, Chakroun RW, Grimmett ME, Domalewski CJ, Wang F, Cui H. Collagen-Binding Peptide-Enabled Supramolecular Hydrogel Design for Improved Organ Adhesion and Sprayable Therapeutic Delivery. NANO LETTERS 2022; 22:4182-4191. [PMID: 35522052 PMCID: PMC9844543 DOI: 10.1021/acs.nanolett.2c00967] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Spraying serves as an attractive, minimally invasive means of administering hydrogels for localized delivery, particularly due to high-throughput deposition of therapeutic depots over an entire target site of uneven surfaces. However, it remains a great challenge to design systems capable of rapid gelation after shear-thinning during spraying and adhering to coated tissues in wet, physiological environments. We report here on the use of a collagen-binding peptide to enable a supramolecular design of a biocompatible, bioadhesive, and sprayable hydrogel for sustained release of therapeutics. After spraying, the designed peptide amphiphile-based supramolecular filaments exhibit fast, physical cross-linking under physiological conditions. Our ex vivo studies suggest that the hydrogelator strongly adheres to the wet surfaces of multiple organs, and the extent of binding to collagen influences release kinetics from the gel. We envision that the sprayable organ-adhesive hydrogel can serve to enhance the efficacy of incorporated therapeutics for many biomedical applications.
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Affiliation(s)
- Caleb F Anderson
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Rami W Chakroun
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Maria E Grimmett
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Christopher J Domalewski
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Feihu Wang
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
- Center for Nanomedicine, The Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States
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7
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Hao Z, Li H, Wang Y, Hu Y, Chen T, Zhang S, Guo X, Cai L, Li J. Supramolecular Peptide Nanofiber Hydrogels for Bone Tissue Engineering: From Multihierarchical Fabrications to Comprehensive Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103820. [PMID: 35128831 PMCID: PMC9008438 DOI: 10.1002/advs.202103820] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/02/2022] [Indexed: 05/03/2023]
Abstract
Bone tissue engineering is becoming an ideal strategy to replace autologous bone grafts for surgical bone repair, but the multihierarchical complexity of natural bone is still difficult to emulate due to the lack of suitable biomaterials. Supramolecular peptide nanofiber hydrogels (SPNHs) are emerging biomaterials because of their inherent biocompatibility, satisfied biodegradability, high purity, facile functionalization, and tunable mechanical properties. This review initially focuses on the multihierarchical fabrications by SPNHs to emulate natural bony extracellular matrix. Structurally, supramolecular peptides based on distinctive building blocks can assemble into nanofiber hydrogels, which can be used as nanomorphology-mimetic scaffolds for tissue engineering. Biochemically, bioactive motifs and bioactive factors can be covalently tethered or physically absorbed to SPNHs to endow various functions depending on physiological and pharmacological requirements. Mechanically, four strategies are summarized to optimize the biophysical microenvironment of SPNHs for bone regeneration. Furthermore, comprehensive applications about SPNHs for bone tissue engineering are reviewed. The biomaterials can be directly used in the form of injectable hydrogels or composite nanoscaffolds, or they can be used to construct engineered bone grafts by bioprinting or bioreactors. Finally, continuing challenges and outlook are discussed.
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Affiliation(s)
- Zhuowen Hao
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Hanke Li
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Yi Wang
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Yingkun Hu
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Tianhong Chen
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Shuwei Zhang
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Xiaodong Guo
- Department of OrthopedicsUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyJiefang Road 1277Wuhan430022China
| | - Lin Cai
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Jingfeng Li
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
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8
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Li L, Casalini T, Arosio P, Salvalaglio M. Modeling the Structure and Interactions of Intrinsically Disordered Peptides with Multiple Replica, Metadynamics-Based Sampling Methods and Force-Field Combinations. J Chem Theory Comput 2022; 18:1915-1928. [PMID: 35174713 PMCID: PMC9097291 DOI: 10.1021/acs.jctc.1c00889] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Indexed: 01/08/2023]
Abstract
Intrinsically disordered proteins play a key role in many biological processes, including the formation of biomolecular condensates within cells. A detailed characterization of their configurational ensemble and structure-function paradigm is crucial for understanding their biological activity and for exploiting them as building blocks in material sciences. In this work, we incorporate bias-exchange metadynamics and parallel-tempering well-tempered metadynamics with CHARMM36m and CHARMM22* to explore the structural and thermodynamic characteristics of a short archetypal disordered sequence derived from a DEAD-box protein. The conformational landscapes emerging from our simulations are largely congruent across methods and force fields. Nevertheless, differences in fine details emerge from varying combinations of force-fields and sampling methods. For this protein, our analysis identifies features that help to explain the low propensity of this sequence to undergo self-association in vitro, which are common to all force-field/sampling method combinations. Overall, our work demonstrates the importance of using multiple force-field and sampling method combinations for accurate structural and thermodynamic information in the study of disordered proteins.
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Affiliation(s)
- Lunna Li
- Thomas
Young Centre and Department of Chemical Engineering, University College London, London WC1E 7JE, U.K.
| | - Tommaso Casalini
- Department
of Chemistry and Applied Biosciences, ETH
Zurich, Zurich 8093, Switzerland
| | - Paolo Arosio
- Department
of Chemistry and Applied Biosciences, ETH
Zurich, Zurich 8093, Switzerland
| | - Matteo Salvalaglio
- Thomas
Young Centre and Department of Chemical Engineering, University College London, London WC1E 7JE, U.K.
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9
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Lau S, Gossen M, Lendlein A. Designing Cardiovascular Implants Taking in View the Endothelial Basement Membrane. Int J Mol Sci 2021; 22:ijms222313120. [PMID: 34884923 PMCID: PMC8658568 DOI: 10.3390/ijms222313120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/25/2021] [Accepted: 11/29/2021] [Indexed: 12/28/2022] Open
Abstract
Insufficient endothelialization of cardiovascular grafts is a major hurdle in vascular surgery and regenerative medicine, bearing a risk for early graft thrombosis. Neither of the numerous strategies pursued to solve these problems were conclusive. Endothelialization is regulated by the endothelial basement membrane (EBM), a highly specialized part of the vascular extracellular matrix. Thus, a detailed understanding of the structure–function interrelations of the EBM components is fundamental for designing biomimetic materials aiming to mimic EBM functions. In this review, a detailed description of the structure and functions of the EBM are provided, including the luminal and abluminal interactions with adjacent cell types, such as vascular smooth muscle cells. Moreover, in vivo as well as in vitro strategies to build or renew EBM are summarized and critically discussed. The spectrum of methods includes vessel decellularization and implant biofunctionalization strategies as well as tissue engineering-based approaches and bioprinting. Finally, the limitations of these methods are highlighted, and future directions are suggested to help improve future design strategies for EBM-inspired materials in the cardiovascular field.
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Affiliation(s)
- Skadi Lau
- Institute of Active Polymers and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Hereon, Kantstraße 55, 14513 Teltow, Germany; (S.L.); (M.G.)
| | - Manfred Gossen
- Institute of Active Polymers and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Hereon, Kantstraße 55, 14513 Teltow, Germany; (S.L.); (M.G.)
| | - Andreas Lendlein
- Institute of Active Polymers and Berlin-Brandenburg Center for Regenerative Therapies, Helmholtz-Zentrum Hereon, Kantstraße 55, 14513 Teltow, Germany; (S.L.); (M.G.)
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 25, 14476 Potsdam, Germany
- Correspondence:
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10
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Sharma P, Pal VK, Roy S. An overview of latest advances in exploring bioactive peptide hydrogels for neural tissue engineering. Biomater Sci 2021; 9:3911-3938. [PMID: 33973582 DOI: 10.1039/d0bm02049d] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Neural tissue engineering holds great potential in addressing current challenges faced by medical therapies employed for the functional recovery of the brain. In this context, self-assembling peptides have gained considerable interest owing to their diverse physicochemical properties, which enable them to closely mimic the biophysical characteristics of the native ECM. Additionally, in contrast to synthetic polymers, which lack inherent biological signaling, peptide-based nanomaterials could be easily designed to present essential biological cues to the cells to promote cellular adhesion. Moreover, injectability of these biomaterials further widens their scope in biomedicine. In this context, hydrogels obtained from short bioactive peptide sequences are of particular interest owing to their facile synthesis and highly tunable properties. In spite of their well-known advantages, the exploration of short peptides for neural tissue engineering is still in its infancy and thus detailed discussion is required to evoke interest in this direction. This review provides a general overview of various bioactive hydrogels derived from short peptide sequences explored for neural tissue engineering. The review also discusses the current challenges in translating the benefits of these hydrogels to clinical practices and presents future perspectives regarding the utilization of these hydrogels for advanced biomedical applications.
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Affiliation(s)
- Pooja Sharma
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, Punjab, India.
| | - Vijay Kumar Pal
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, Punjab, India.
| | - Sangita Roy
- Institute of Nano Science and Technology, Sector 81, Knowledge city, Mohali, 140306, Punjab, India.
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11
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Webber MJ, Pashuck ET. (Macro)molecular self-assembly for hydrogel drug delivery. Adv Drug Deliv Rev 2021; 172:275-295. [PMID: 33450330 PMCID: PMC8107146 DOI: 10.1016/j.addr.2021.01.006] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 01/15/2023]
Abstract
Hydrogels prepared via self-assembly offer scalable and tunable platforms for drug delivery applications. Molecular-scale self-assembly leverages an interplay of attractive and repulsive forces; drugs and other active molecules can be incorporated into such materials by partitioning in hydrophobic domains, affinity-mediated binding, or covalent integration. Peptides have been widely used as building blocks for self-assembly due to facile synthesis, ease of modification with bioactive molecules, and precise molecular-scale control over material properties through tunable interactions. Additional opportunities are manifest in stimuli-responsive self-assembly for more precise drug action. Hydrogels can likewise be fabricated from macromolecular self-assembly, with both synthetic polymers and biopolymers used to prepare materials with controlled mechanical properties and tunable drug release. These include clinical approaches for solubilization and delivery of hydrophobic drugs. To further enhance mechanical properties of hydrogels prepared through self-assembly, recent work has integrated self-assembly motifs with polymeric networks. For example, double-network hydrogels capture the beneficial properties of both self-assembled and covalent networks. The expanding ability to fabricate complex and precise materials, coupled with an improved understanding of biology, will lead to new classes of hydrogels specifically tailored for drug delivery applications.
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Affiliation(s)
- Matthew J Webber
- University of Notre Dame, Department of Chemical & Biomolecular Engineering, Notre Dame, IN 46556, USA.
| | - E Thomas Pashuck
- Lehigh University, Department of Bioengineering, Bethlehem, PA 18015, USA.
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12
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Maynard SA, Pchelintseva E, Zwi-Dantsis L, Nagelkerke A, Gopal S, Korchev YE, Shevchuk A, Stevens MM. IL-1β mediated nanoscale surface clustering of integrin α5β1 regulates the adhesion of mesenchymal stem cells. Sci Rep 2021; 11:6890. [PMID: 33767269 PMCID: PMC7994456 DOI: 10.1038/s41598-021-86315-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 03/10/2021] [Indexed: 12/18/2022] Open
Abstract
Clinical use of human mesenchymal stem cells (hMSCs) is limited due to their rapid clearance, reducing their therapeutic efficacy. The inflammatory cytokine IL-1β activates hMSCs and is known to enhance their engraftment. Consequently, understanding the molecular mechanism of this inflammation-triggered adhesion is of great clinical interest to improving hMSC retention at sites of tissue damage. Integrins are cell-matrix adhesion receptors, and clustering of integrins at the nanoscale underlies cell adhesion. Here, we found that IL-1β enhances adhesion of hMSCs via increased focal adhesion contacts in an α5β1 integrin-specific manner. Further, through quantitative super-resolution imaging we elucidated that IL-1β specifically increases nanoscale integrin α5β1 availability and clustering at the plasma membrane, whilst conserving cluster area. Taken together, these results demonstrate that hMSC adhesion via IL-1β stimulation is partly regulated through integrin α5β1 spatial organization at the cell surface. These results provide new insight into integrin clustering in inflammation and provide a rational basis for design of therapies directed at improving hMSC engraftment.
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Affiliation(s)
- Stephanie A. Maynard
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Ekaterina Pchelintseva
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Limor Zwi-Dantsis
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Anika Nagelkerke
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
| | - Sahana Gopal
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK ,grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Yuri E. Korchev
- grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Andrew Shevchuk
- grid.7445.20000 0001 2113 8111Department of Medicine, Imperial College London, London, W12 0NN UK
| | - Molly M. Stevens
- grid.7445.20000 0001 2113 8111Department of Materials, Department of Bioengineering and Institute of Biomedical Engineering, Imperial College London, London, SW7 2AZ UK
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13
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Distaffen HE, Jones CW, Abraham BL, Nilsson BL. Multivalent display of chemical signals on
self‐assembled
peptide scaffolds. Pept Sci (Hoboken) 2021. [DOI: 10.1002/pep2.24224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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14
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Ding X, Zhao H, Li Y, Lee AL, Li Z, Fu M, Li C, Yang YY, Yuan P. Synthetic peptide hydrogels as 3D scaffolds for tissue engineering. Adv Drug Deliv Rev 2020; 160:78-104. [PMID: 33091503 DOI: 10.1016/j.addr.2020.10.005] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 09/25/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
The regeneration of tissues and organs poses an immense challenge due to the extreme complexity in the research work involved. Despite the tissue engineering approach being considered as a promising strategy for more than two decades, a key issue impeding its progress is the lack of ideal scaffold materials. Nature-inspired synthetic peptide hydrogels are inherently biocompatible, and its high resemblance to extracellular matrix makes peptide hydrogels suitable 3D scaffold materials. This review covers the important aspects of peptide hydrogels as 3D scaffolds, including mechanical properties, biodegradability and bioactivity, and the current approaches in creating matrices with optimized features. Many of these scaffolds contain peptide sequences that are widely reported for tissue repair and regeneration and these peptide sequences will also be discussed. Furthermore, 3D biofabrication strategies of synthetic peptide hydrogels and the recent advances of peptide hydrogels in tissue engineering will also be described to reflect the current trend in the field. In the final section, we will present the future outlook in the design and development of peptide-based hydrogels for translational tissue engineering applications.
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Affiliation(s)
- Xin Ding
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China.
| | - Huimin Zhao
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Yuzhen Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Ashlynn Lingzhi Lee
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
| | - Zongshao Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Mengjing Fu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Chengnan Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Yi Yan Yang
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore.
| | - Peiyan Yuan
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China.
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15
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Redondo-Gómez C, Padilla-Lopategui S, Azevedo HS, Mata A. Host-Guest-Mediated Epitope Presentation on Self-Assembled Peptide Amphiphile Hydrogels. ACS Biomater Sci Eng 2020; 6:4870-4880. [PMID: 33455284 DOI: 10.1021/acsbiomaterials.0c00549] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A key feature in biomaterial design is the incorporation of bioactive signals into artificial constructs to stimulate tissue regeneration. Most currently used hydrogel cell culture systems depend on the covalent attachment of extracellular matrix (ECM)-derived peptides to either macromolecular units or smaller self-assembling building blocks, thereby restricting biosignal presentation and adaptability. However, new ways to rationally incorporate adhesion epitopes through noncovalent interactions would offer opportunities to better recreate the dynamic and reversible nature of the native ECM. Here, we report on a noncovalent epitope presentation approach mediated by host-guest interactions. Using peptide amphiphile hydrogels, we demonstrate that the adamantane/β-cyclodextrin pair can be used to anchor RGDS cell adhesion signals onto self-assembled hydrogels via host-guest interactions. We evaluate hydrogel morphological and rheological properties as well as fibroblast attachment, organization, and spreading when cultured atop these scaffolds. This host-guest-mediated epitope display might lead to new self-assembling hydrogels for improved cell culture applications in fields such as tissue engineering and regenerative medicine.
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Affiliation(s)
- Carlos Redondo-Gómez
- School of Engineering & Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Institute of Bioengineering, Queen Mary University of London, London E1 4NS, U.K
| | - Soraya Padilla-Lopategui
- School of Engineering & Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Institute of Bioengineering, Queen Mary University of London, London E1 4NS, U.K
| | - Helena S Azevedo
- School of Engineering & Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Institute of Bioengineering, Queen Mary University of London, London E1 4NS, U.K
| | - Alvaro Mata
- School of Engineering & Materials Science, Queen Mary University of London, London E1 4NS, U.K.,Institute of Bioengineering, Queen Mary University of London, London E1 4NS, U.K.,School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.,Department of Chemical and Environmental Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.,Biodiscovery Institute, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
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16
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Ariawan AD, Sun B, Wojciechowski JP, Lin I, Du EY, Goodchild SC, Cranfield CG, Ittner LM, Thordarson P, Martin AD. Effect of polar amino acid incorporation on Fmoc-diphenylalanine-based tetrapeptides. SOFT MATTER 2020; 16:4800-4805. [PMID: 32400837 DOI: 10.1039/d0sm00320d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Peptide hydrogels show great promise as extracellular matrix mimics due to their tuneable, fibrous nature. Through incorporation of polar cationic, polar anionic or polar neutral amino acids into the Fmoc-diphenylalanine motif, we show that electrostatic charge plays a key role in the properties of the subsequent gelators. Specifically, we show that an inverse relationship exists for biocompatibility in the solution state versus the gel state for cationic and anionic peptides. Finally, we use tethered bilayer lipid membrane (tBLM) experiments to suggest a likely mode of cytotoxicity for tetrapeptides which exhibit cytotoxicity in the solution state.
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Affiliation(s)
- A Daryl Ariawan
- Dementia Research Centre, Department of Biomedical Science, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW 2109, Australia.
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17
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Sun B, Ariawan AD, Warren H, Goodchild SC, In Het Panhuis M, Ittner LM, Martin AD. Programmable enzymatic oxidation of tyrosine-lysine tetrapeptides. J Mater Chem B 2020; 8:3104-3112. [PMID: 32207762 DOI: 10.1039/d0tb00250j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ability to control the response of self-assembled systems upon exposure to external stimuli has been a long-standing goal of supramolecular chemistry. Short peptides are an attractive platform to realise this objective due to their chemical diversity and modular nature. Here, we synthesise a library of Fmoc-capped tetrapeptides, each containing two tyrosine and two lysine residues and varying in their amino acid sequence. Despite having similar secondary structure, these tetrapeptides form structures which are highly sequence dependent, yielding aggregates, nanofibres or monomers. This in turn highly affects the rate and degree of oxidative polymerisation by the enzyme tyrosinase, with self-assembled nanofibres exhibiting a greater degree of polymerisation. We monitor the formation of tyrosine oxidation products over time, finding that the precipitation of polymers is driven by quinone-based species. This affects the electrochemical properties of the oxidised peptide polymers, as determined through electrical impedance spectroscopy. Finally, intrinsic fluorescence microscale thermophoresis studies confirm that the degree of oxidative polymerisation is highly dependent on tyrosine solvent accessibility and the presence of peptide monomers. The ability to tune the kinetics of enzymatically active substrates and understand their polymerisation pathways on a molecular level is important for the creation of programmable, enzyme responsive biomaterials.
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Affiliation(s)
- Biyun Sun
- Dementia Research Centre, Department of Biomedical Science, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW 2109, Australia.
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18
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Mondal S, Das S, Nandi AK. A review on recent advances in polymer and peptide hydrogels. SOFT MATTER 2020; 16:1404-1454. [PMID: 31984400 DOI: 10.1039/c9sm02127b] [Citation(s) in RCA: 198] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In this review, we focus on the very recent developments on the use of the stimuli responsive properties of polymer hydrogels for targeted drug delivery, tissue engineering, and biosensing utilizing their different optoelectronic properties. Besides, the stimuli-responsive hydrogels, the conducting polymer hydrogels are discussed, with specific attention to the energy generation and storage behavior of the xerogel derived from the hydrogel. The electronic and ionic conducting gels have been discussed that have applications in various electronic devices, e.g., organic field effect transistors, soft robotics, ionic skins, and sensors. The properties of polymer hybrid gels containing carbon nanomaterials have been exemplified here giving attention to applications in supercapacitors, dye sensitized solar cells, photocurrent switching, etc. Recent trends in the properties and applications of some natural polymer gels to produce thermal and acoustic insulating materials, drug delivery vehicles, self-healing material, tissue engineering, etc., are discussed. Besides the polymer gels, peptide gels of different dipeptides, tripeptides, oligopeptides, polypeptides, cyclic peptides, etc., are discussed, giving attention mainly to biosensing, bioimaging, and drug delivery applications. The properties of peptide-based hybrid hydrogels with polymers, nanoparticles, nucleotides, fullerene, etc., are discussed, giving specific attention to drug delivery, cell culture, bio-sensing, and bioimaging properties. Thus, the present review delineates, in short, the preparation, properties, and applications of different polymer and peptide hydrogels prepared in the past few years.
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Affiliation(s)
- Sanjoy Mondal
- Polymer Science Unit, School of Materials Sciences, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India.
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19
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Liu W, Zhang G, Wu J, Zhang Y, Liu J, Luo H, Shao L. Insights into the angiogenic effects of nanomaterials: mechanisms involved and potential applications. J Nanobiotechnology 2020; 18:9. [PMID: 31918719 PMCID: PMC6950937 DOI: 10.1186/s12951-019-0570-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/31/2019] [Indexed: 12/18/2022] Open
Abstract
The vascular system, which transports oxygen and nutrients, plays an important role in wound healing, cardiovascular disease treatment and bone tissue engineering. Angiogenesis is a complex and delicate regulatory process. Vascular cells, the extracellular matrix (ECM) and angiogenic factors are indispensable in the promotion of lumen formation and vascular maturation to support blood flow. However, the addition of growth factors or proteins involved in proangiogenic effects is not effective for regulating angiogenesis in different microenvironments. The construction of biomaterial scaffolds to achieve optimal growth conditions and earlier vascularization is undoubtedly one of the most important considerations and major challenges among engineering strategies. Nanomaterials have attracted much attention in biomedical applications due to their structure and unique photoelectric and catalytic properties. Nanomaterials not only serve as carriers that effectively deliver factors such as angiogenesis-related proteins and mRNA but also simulate the nano-topological structure of the primary ECM of blood vessels and stimulate the gene expression of angiogenic effects facilitating angiogenesis. Therefore, the introduction of nanomaterials to promote angiogenesis is a great helpful to the success of tissue regeneration and some ischaemic diseases. This review focuses on the angiogenic effects of nanoscaffolds in different types of tissue regeneration and discusses the influencing factors as well as possible related mechanisms of nanomaterials in endothelial neovascularization. It contributes novel insights into the design and development of novel nanomaterials for vascularization and therapeutic applications.
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Affiliation(s)
- Wenjing Liu
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Guilan Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Junrong Wu
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Yanli Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Jia Liu
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Haiyun Luo
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China
| | - Longquan Shao
- Stomatological Hospital, Southern Medical University, Guangzhou, 510280, China.
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Guangzhou, 510515, China.
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20
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Zhao X, Liu X, Zhang P, Liu Y, Ran W, Cai Y, Wang J, Zhai Y, Wang G, Ding Y, Li Y. Injectable peptide hydrogel as intraperitoneal triptolide depot for the treatment of orthotopic hepatocellular carcinoma. Acta Pharm Sin B 2019; 9:1050-1060. [PMID: 31649853 PMCID: PMC6804453 DOI: 10.1016/j.apsb.2019.06.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/10/2019] [Accepted: 05/20/2019] [Indexed: 12/18/2022] Open
Abstract
Chemotherapy is among the limited choices approved for the treatment of hepatocellular carcinoma (HCC) at intermediate and advanced stages. Preferential and prolonged drug exposure in diseased sites is required to maximize the therapeutic index of the drug. Here, we report an injectable supramolecular peptide hydrogel as an intraperitoneal depot for localized and sustained release of triptolide for the treatment of orthotopic HCC. We chose peptide amphiphile C16-GNNQQNYKD-OH-based nanofibers as gelators and carriers for triptolide. Sustained triptolide release from the hydrogel was achieved over 14 days in vitro, with higher accumulation in and cytotoxicity against human HCC Bel-7402 in comparison with L-02 fetal hepatocytes. After intraperitoneal injection, the hydrogel showed prolonged retention over 13 days and preferential accumulation in the liver, realizing HCC growth inhibition by 99.7 ± 0.1% and animal median survival extension from 19 to 43 days, without causing noticeable pathological changes in the major organs. These results demonstrate that injectable peptide hydrogel can be a potential carrier for localized chemotherapy of HCC.
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Key Words
- ANOVA, analysis of variance
- AST, aspartate transaminase
- ATL, alanine transaminase
- AUC0–13, areas under the curve
- AURKA, aurora A kinase
- Akt, protein kinase B
- BUN, blood urea nitrogen
- Bel-7402/Luc, luciferase transfected human HCC cell line Bel-7402
- C16-N, C16-GNNQQNYKD-OH
- C16-N/DiI, DiI-labeled C16-N
- C16-N/DiR, DiR-labeled C16-N hydrogel
- C16-N/T, triptolide-loaded peptide amphiphile-based hydrogel
- CAS, Chinese Academy of Sciences
- CD, circular dichroism
- CKS2, cyclin kinase subunit-2
- CRE, creatinine
- DL, drug loading
- DSPE-PEG, 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[amino (polyethylene glycol)-2000]
- DSPE-PEG/DiI, DiI-labeled DSPE-PEG
- DSPE-PEG/DiR, DiR-labeled DSPE-PEG micelle
- DSPE-PEG/T, drug-loaded DSPE-PEG micelles
- EE, encapsulation efficiency
- FBS, fetal bovine serum
- FI range, fluorescence intensity range
- FI, fluorescence intensity
- GEMOX, gemcitabine and oxaliplatin
- H&E, hematoxylin and eosin
- HFIP, 1,1,1,3,3,3-hexafluoro-2-propanol
- HPLC, high-performance liquid chromatography
- Hepatocellular carcinoma
- Hydrogel
- LC–MS, liquid chromatography–mass spectrometry
- OB glue, EPIGLUs
- Peptide amphiphile
- RFI, relative fluorescence intensity
- Self-assembly
- TACE, transarterial chemoembolization
- TEM, transmission electron microscopy
- TIR, tumor inhibition rate
- Tmax, time to reach highest fluorescence intensity
- Triptolide
- d-Luciferin, (S)-4,5-dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid potassium
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Affiliation(s)
- Xiyue Zhao
- Department of Chemistry, Shanghai University, Shanghai 200444, China
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xiaoyu Liu
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Pengcheng Zhang
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai 264000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Corresponding authors. Tel./fax: +86 21 20231979.
| | - Yiran Liu
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Nano Science and Technology Institute, University of Science and Technology of China, Suzhou 215123, China
| | - Wei Ran
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Cai
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junyang Wang
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Jilin University, Changchun 130012, China
| | - Yihui Zhai
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanru Wang
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yaping Ding
- Department of Chemistry, Shanghai University, Shanghai 200444, China
| | - Yaping Li
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- School of Pharmacy, Yantai University, Yantai 264005, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Corresponding authors. Tel./fax: +86 21 20231979.
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21
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Chakroun RW, Wang F, Lin R, Wang Y, Su H, Pompa D, Cui H. Fine-Tuning the Linear Release Rate of Paclitaxel-Bearing Supramolecular Filament Hydrogels through Molecular Engineering. ACS NANO 2019; 13:7780-7790. [PMID: 31117370 DOI: 10.1021/acsnano.9b01689] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
One key design feature in the development of any local drug delivery system is the controlled release of therapeutic agents over a certain period of time. In this context, we report the characteristic feature of a supramolecular filament hydrogel system that enables a linear and sustainable drug release over the period of several months. Through covalent linkage with a short peptide sequence, we are able to convert an anticancer drug, paclitaxel (PTX), to a class of prodrug hydrogelators with varying critical gelation concentrations. These self-assembling PTX prodrugs associate into filamentous nanostructures in aqueous conditions and consequently percolate into a supramolecular filament network in the presence of appropriate counterions. The intriguing linear drug release profile is rooted in the supramolecular nature of the self-assembling filaments which maintain a constant monomer concentration at the gelation conditions. We found that molecular engineering of the prodrug design, such as varying the number of oppositely charged amino acids or through the incorporation of hydrophobic segments, allows for the fine-tuning of the PTX linear release rate. In cell studies, these PTX prodrugs can exert effective cytotoxicity against glioblastoma cell lines and also primary brain cancer cells derived from patients and show enhanced tumor penetration in a cancer spheroid model. We believe this drug-bearing hydrogel platform offers an exciting opportunity for the local treatment of human diseases.
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Affiliation(s)
- Rami W Chakroun
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Feihu Wang
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Ran Lin
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Yin Wang
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Hao Su
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
| | - Danielle Pompa
- Department of Biomedical Engineering , University of Utah , 201 Presidents Circle , Salt Lake City , Utah 84112 , United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBiotechnology , The Johns Hopkins University , 3400 North Charles Street , Baltimore , Maryland 21218 , United States
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center , Johns Hopkins University School of Medicine , Baltimore , Maryland 21205 , United States
- Center for Nanomedicine, The Wilmer Eye Institute , Johns Hopkins University School of Medicine , 400 North Broadway , Baltimore , Maryland 21231 , United States
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22
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Lim S, Jung GA, Muckom RJ, Glover DJ, Clark DS. Engineering bioorthogonal protein-polymer hybrid hydrogel as a functional protein immobilization platform. Chem Commun (Camb) 2019; 55:806-809. [PMID: 30574651 PMCID: PMC6370476 DOI: 10.1039/c8cc08720b] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We demonstrate the synthesis of protein-polymer hybrid hydrogel that can be used as a platform for immobilizing functional proteins. Orthogonal chemistry was employed for cross-linking the hybrid network and conjugating proteins to the gel backbone, allowing for the convenient, one-pot formation of a functionalized hydrogel. The resulting hydrogel had tunable mechanical properties, was stable in solution, and biocompatible.
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Affiliation(s)
- Samuel Lim
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720, USA.
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23
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Faltova L, Küffner AM, Hondele M, Weis K, Arosio P. Multifunctional Protein Materials and Microreactors using Low Complexity Domains as Molecular Adhesives. ACS NANO 2018; 12:9991-9999. [PMID: 30216718 DOI: 10.1021/acsnano.8b04304] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Recent findings indicate that a class of disordered amino acid sequences promotes functional phase transition of biomolecules in nature. Such sequences consist of low complexity domains (LCDs) that are rich in specific amino acids. In this work, we exploit these sequences by conjugating them to soluble globular domains to develop molecular adhesives that enable sensitive, controlled self-assembly of these proteins into supramolecular architectures. In particular, we used the enzyme adenylate kinase and the green fluorescent protein as soluble domains, and we show that the addition of low complexity regions induces the formation of protein particles via a multistep process. This multistep pathway involves an initial liquid-liquid phase transition, which creates protein-rich droplets that mature into protein aggregates over time. These protein aggregates consist of permeable structures that maintain activity and release active soluble proteins. We show that the LCDs dictate specific noncovalent intermolecular interactions and phase properties that are largely independent of the given globular domain. We further demonstrate that this feature, together with the dynamic state of the initial dense liquid phase, allows one to directly assemble different globular domains within the same architecture, thereby enabling the generation of both static multifunctional biomaterials and dynamic microscale bioreactors.
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24
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Abstract
Self-assembled peptide nanostructures have been increasingly exploited as functional materials for applications in biomedicine and energy. The emergent properties of these nanomaterials determine the applications for which they can be exploited. It has recently been appreciated that nanomaterials composed of multicomponent coassembled peptides often display unique emergent properties that have the potential to dramatically expand the functional utility of peptide-based materials. This review presents recent efforts in the development of multicomponent peptide assemblies. The discussion includes multicomponent assemblies derived from short low molecular weight peptides, peptide amphiphiles, coiled coil peptides, collagen, and β-sheet peptides. The design, structure, emergent properties, and applications for these multicomponent assemblies are presented in order to illustrate the potential of these formulations as sophisticated next-generation bio-inspired materials.
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Affiliation(s)
- Danielle M Raymond
- Department of Chemistry, University of Rochester, Rochester, NY 14627-0216, USA.
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25
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Li J, Bullara D, Du X, He H, Sofou S, Kevrekidis IG, Epstein IR, Xu B. Kinetic Analysis of Nanostructures Formed by Enzyme-Instructed Intracellular Assemblies against Cancer Cells. ACS NANO 2018; 12. [PMID: 29537820 PMCID: PMC5916050 DOI: 10.1021/acsnano.8b01016] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Recent studies have demonstrated that enzyme-instructed self-assembly (EISA) in extra- or intracellular environments can serve as a multistep process for controlling cell fate. There is little knowledge, however, about the kinetics of EISA in the complex environments in or around cells. Here, we design and synthesize three dipeptidic precursors (ld-1-SO3, dl-1-SO3, dd-1-SO3), consisting of diphenylalanine (l-Phe-d-Phe, d-Phe-l-Phe, d-Phe-d-Phe, respectively) as the backbone, which are capped by 2-(naphthalen-2-yl)acetic acid at the N-terminal and by 2-(4-(2-aminoethoxy)-4-oxobutanamido)ethane-1-sulfonic acid at the C-terminal. On hydrolysis by carboxylesterases (CES), these precursors result in hydrogelators, which self-assemble in water at different rates. Whereas all three precursors selectively kill cancer cells, especially high-grade serous ovarian carcinoma cells, by undergoing intracellular EISA, dl-1-SO3 and dd-1-SO3 exhibit the lowest and the highest activities, respectively, against the cancer cells. This trend inversely correlates with the rates of converting the precursors to the hydrogelators in phosphate-buffered saline. Because CES exists both extra- and intracellularly, we use kinetic modeling to analyze the kinetics of EISA inside cells and to calculate the cytotoxicity of each precursor for killing cancer cells. Our results indicate that (i) the stereochemistry of the precursors affects the morphology of the nanostructures formed by the hydrogelators, as well as the rate of enzymatic conversion; (ii) decreased extracellular hydrolysis of precursors favors intracellular EISA inside the cells; (iii) the inherent features ( e.g., self-assembling ability and morphology) of the EISA molecules largely dictate the cytotoxicity of intracellular EISA. As the kinetic analysis of intracellular EISA, this work elucidates how the stereochemistry modulates EISA in the complex extra- and/or intracellular environment for developing anticancer molecular processes. Moreover, it provides insights for understanding the kinetics and cytotoxicity of aggregates of aberrant proteins or peptides formed inside and outside cells.
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Affiliation(s)
- Jie Li
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Domenico Bullara
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Xuewen Du
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Hongjian He
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Stavroula Sofou
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Ioannis G. Kevrekidis
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Irving R. Epstein
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
- Corresponding Authors: ,
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, MA 02454, USA
- Corresponding Authors: ,
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26
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Li Y, Lock LL, Wang Y, Ou SH, Stern D, Schön A, Freire E, Xu X, Ghose S, Li ZJ, Cui H. Bioinspired supramolecular engineering of self-assembling immunofibers for high affinity binding of immunoglobulin G. Biomaterials 2018; 178:448-457. [PMID: 29706234 DOI: 10.1016/j.biomaterials.2018.04.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/11/2018] [Accepted: 04/14/2018] [Indexed: 01/14/2023]
Abstract
Many one-dimensional (1D) nanostructures are constructed by self-assembly of peptides or peptide conjugates containing a short β-sheet sequence as the core building motif essential for the intermolecular hydrogen bonding that promotes directional, anisotropic growth of the resultant assemblies. While this molecular engineering strategy has led to the successful production of a plethora of bioactive filamentous β-sheet assemblies for interfacing with biomolecules and cells, concerns associated with effective presentation of α-helical epitopes and their function preservation have yet to be resolved. In this context, we report on the direct conjugation of the protein A mimicking peptide Z33, a motif containing two α-helices, to linear hydrocarbons to create self-assembling immuno-amphiphiles (IAs). Our results suggest that the resulting amphiphilic peptides can, despite lacking the essential β-sheet segment, effectively associate under physiological conditions into supramolecular immunofibers (IFs) while preserving their native α-helical conformation. Isothermal titration calorimetry (ITC) measurements confirmed that these self-assembling immunofibers can bind to the human immunoglobulin G class 1 (IgG1) with high specificity at pH 7.4, but with significantly weakened binding at pH 2.8. We further demonstrated the accessibility of Z33 ligand in the immunofibers using transmission electron microscopy (TEM) and confocal imaging. We believe these results shed important light into the supramolecular engineering of α-helical peptides into filamentous assemblies that may possess an important potential for antibody isolation.
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Affiliation(s)
- Yi Li
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Lye Lin Lock
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Yuzhu Wang
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Shih-Hao Ou
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - David Stern
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Arne Schön
- Department of Biology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Ernesto Freire
- Department of Biology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States
| | - Xuankuo Xu
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States.
| | - Sanchayita Ghose
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Zheng Jian Li
- Biologics Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, MA 01434, United States
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218, United States; Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21205, United States.
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27
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Foyt DA, Norman MDA, Yu TTL, Gentleman E. Exploiting Advanced Hydrogel Technologies to Address Key Challenges in Regenerative Medicine. Adv Healthc Mater 2018; 7:e1700939. [PMID: 29316363 PMCID: PMC5922416 DOI: 10.1002/adhm.201700939] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/24/2017] [Indexed: 12/16/2022]
Abstract
Regenerative medicine aims to tackle a panoply of challenges from repairing focal damage to articular cartilage to preventing pathological tissue remodeling after myocardial infarction. Hydrogels are water-swollen networks formed from synthetic or naturally derived polymers and are emerging as important tools to address these challenges. Recent advances in hydrogel chemistries are enabling researchers to create hydrogels that can act as 3D ex vivo tissue models, allowing them to explore fundamental questions in cell biology by replicating tissues' dynamic and nonlinear physical properties. Enabled by cutting edge techniques such as 3D bioprinting, cell-laden hydrogels are also being developed with highly controlled tissue-specific architectures, vasculature, and biological functions that together can direct tissue repair. Moreover, advanced in situ forming and acellular hydrogels are increasingly finding use as delivery vehicles for bioactive compounds and in mediating host cell response. Here, advances in the design and fabrication of hydrogels for regenerative medicine are reviewed. It is also addressed how controlled chemistries are allowing for precise engineering of spatial and time-dependent properties in hydrogels with a look to how these materials will eventually translate to clinical applications.
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Affiliation(s)
- Daniel A. Foyt
- Centre for Craniofacial and Regenerative BiologyKing's College LondonLondonSE1 9RTUK
| | - Michael D. A. Norman
- Centre for Craniofacial and Regenerative BiologyKing's College LondonLondonSE1 9RTUK
| | - Tracy T. L. Yu
- Centre for Craniofacial and Regenerative BiologyKing's College LondonLondonSE1 9RTUK
| | - Eileen Gentleman
- Centre for Craniofacial and Regenerative BiologyKing's College LondonLondonSE1 9RTUK
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28
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Gormley AJ, Yeow J, Ng G, Conway Ó, Boyer C, Chapman R. An Oxygen-Tolerant PET-RAFT Polymerization for Screening Structure-Activity Relationships. Angew Chem Int Ed Engl 2018; 57:1557-1562. [PMID: 29316089 PMCID: PMC9641662 DOI: 10.1002/anie.201711044] [Citation(s) in RCA: 140] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 11/22/2017] [Indexed: 12/23/2022]
Abstract
The complexity of polymer-protein interactions makes rational design of the best polymer architecture for any given biointerface extremely challenging, and the high throughput synthesis and screening of polymers has emerged as an attractive alternative. A porphyrin-catalysed photoinduced electron/energy transfer-reversible addition-fragmentation chain-transfer (PET-RAFT) polymerisation was adapted to enable high throughput synthesis of complex polymer architectures in dimethyl sulfoxide (DMSO) on low-volume well plates in the presence of air. The polymerisation system shows remarkable oxygen tolerance, and excellent control of functional 3- and 4-arm star polymers. We then apply this method to investigate the effect of polymer structure on protein binding, in this case to the lectin concanavalin A (ConA). Such an approach could be applied to screen the structure-activity relationships for any number of polymer-protein interactions.
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Affiliation(s)
| | - Jonathan Yeow
- Australian Centre for Nanomedicine, UNSW, Sydney (Australia)
- Centre for Advanced Macromolecular Design, School of Chemical Engineering, UNSW, Sydney (Australia)
| | - Gervase Ng
- Australian Centre for Nanomedicine, UNSW, Sydney (Australia)
- Centre for Advanced Macromolecular Design, School of Chemical Engineering, UNSW, Sydney (Australia)
| | - Órla Conway
- Australian Centre for Nanomedicine, UNSW, Sydney (Australia)
- Centre for Advanced Macromolecular Design, School of Chemistry, UNSW, Sydney (Australia)
| | - Cyrille Boyer
- Australian Centre for Nanomedicine, UNSW, Sydney (Australia)
- Centre for Advanced Macromolecular Design, School of Chemical Engineering, UNSW, Sydney (Australia)
| | - Robert Chapman
- Australian Centre for Nanomedicine, UNSW, Sydney (Australia)
- Centre for Advanced Macromolecular Design, School of Chemistry, UNSW, Sydney (Australia)
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29
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Gormley AJ, Yeow J, Ng G, Conway Ó, Boyer C, Chapman R. An Oxygen‐Tolerant PET‐RAFT Polymerization for Screening Structure–Activity Relationships. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711044] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
| | - Jonathan Yeow
- Australian Centre for Nanomedicine UNSW Sydney Australia
- Centre for Advanced Macromolecular Design School of Chemical Engineering UNSW Sydney Australia
| | - Gervase Ng
- Australian Centre for Nanomedicine UNSW Sydney Australia
- Centre for Advanced Macromolecular Design School of Chemical Engineering UNSW Sydney Australia
| | - Órla Conway
- Australian Centre for Nanomedicine UNSW Sydney Australia
- Centre for Advanced Macromolecular Design School of Chemistry UNSW Sydney Australia
| | - Cyrille Boyer
- Australian Centre for Nanomedicine UNSW Sydney Australia
- Centre for Advanced Macromolecular Design School of Chemical Engineering UNSW Sydney Australia
| | - Robert Chapman
- Australian Centre for Nanomedicine UNSW Sydney Australia
- Centre for Advanced Macromolecular Design School of Chemistry UNSW Sydney Australia
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