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Hansda B, Mondal B, Hazra S, Das KS, Castelletto V, Hamley IW, Banerjee A. Effect of molar ratio and concentration on the rheological properties of two-component supramolecular hydrogels: tuning of the morphological and drug releasing behaviour. SOFT MATTER 2023; 19:8264-8273. [PMID: 37869972 DOI: 10.1039/d3sm00883e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
Self-assembled supramolecular hydrogels offer great potential as biomaterials and drug delivery systems. Specifically, peptide-based multicomponent hydrogels are promising materials due to their advantage that their mechanical and physical properties can be tuned to enhance their functionalities and broaden their applications. Herein, we report two-component assembly and formation of hydrogels containing inexpensive complementary anionic, BUVV-OH (A), and cationic, KFFC12 (B), peptide amphiphiles. Individually, neither of these components formed a hydrogel, while mixtures with compositions 1 : 1, 1 : 2, and 2 : 1 (molar ratio) as A : B show hydrogel formation (Milli-Q water, at pH = 6.79). These hydrogels displayed a good shear-thinning behaviour with different mechanical stabilities and nano-fibrous network structures. The 1 : 1 hydrogel shows good cell viability for human embryonic kidney (HEK-293) cells and CHO cells indicating its non-cytotoxicity. The biocompatible, thixotropic 1 : 1 hydrogel with a nanofiber network structure shows the highest mechanical strength with a storage modulus of 3.4 × 103 Pa. The hydrogel is able to encapsulate drugs including antibiotics amoxicillin and rifampicin, and anticancer drug doxorubicin, and it exhibits sustainable release of 76%, 70%, and 81% respectively in vitro after 3 days. The other two mixtures (composition 1 : 2 and 2 : 1) are unable to form a hydrogel when they are loaded with these drugs. Interestingly, it is noticed that with an increase in concentration, the mechanical strength of a 1 : 1 hydrogel is significantly enhanced, showing potential that may act as a scaffold for tissue engineering. The two-component gel offers tunable mechanical properties, thixotropy, injectability, and biocompatibility and has great potential as a scaffold for sustained drug release and tissue engineering.
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Affiliation(s)
- Biswanath Hansda
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India.
| | - Biplab Mondal
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India.
| | - Soumyajit Hazra
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India.
| | - Krishna Sundar Das
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India
| | | | - Ian W Hamley
- Department of Chemistry, University of Reading, Reading RG6 6AD, UK
| | - Arindam Banerjee
- School of Biological Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India.
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Yuan Y, Shi Y, Banerjee J, Sadeghpour A, Azevedo HS. Structuring supramolecular hyaluronan hydrogels via peptide self-assembly for modulating the cell microenvironment. Mater Today Bio 2023; 19:100598. [PMID: 36942310 PMCID: PMC10024175 DOI: 10.1016/j.mtbio.2023.100598] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 02/16/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
The use of synthetic extracellular matrices (ECMs) in fundamental in vitro cell culture studies has been instrumental for investigating the interplay between cells and matrix components. To provide cells with a more native environment in vitro, it is desirable to design matrices that are biomimetic and emulate compositional and structural features of natural ECMs. Here, the supramolecular fabrication of peptide-hyaluronan (HA) hydrogels is presented as potential ECM surrogates, combining native HA and rationally designed cationic amphipatic peptides [(KI)nK, lysine (K), isoleucine (I), n = 2-6] whose mechanical properties and microstructure are tunable by the peptide sequence. (KI)nK peptides adopt β-sheet configuration and self-assemble into filamentous nanostructures triggered by pH or ionic strength. The self-assembly propensity of (KI)nK peptides increases with the sequence length, forming single phase hydrogels (shorter peptides) or with phase separation (longer peptides) in presence of the anionic polyelectrolyte HA through electrostatic complexations. The gel phase formed in (KI)nK-HA complexes exhibits viscoelastic behavior and triggers the formation of human mesenchymal stem cell (MSC) spheroids which disassemble over the time. It is anticipated that these (KI)nK-HA hydrogels with tunable physical and biochemical properties offer a promising platform for in vitro applications and in stem cell therapy.
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Affiliation(s)
- Yichen Yuan
- School of Engineering and Materials Science & Institute of Bioengineering, Queen Mary University of London, London, E1 4NS, UK
- Zhejiang Lab, Hangzhou, 311121, Zhejiang, PR China
| | - Yejiao Shi
- School of Engineering and Materials Science & Institute of Bioengineering, Queen Mary University of London, London, E1 4NS, UK
- Institute of Translational Medicine, Shanghai University, Shanghai, 200444, PR China
| | - Jayati Banerjee
- School of Engineering and Materials Science & Institute of Bioengineering, Queen Mary University of London, London, E1 4NS, UK
| | - Amin Sadeghpour
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, UK
| | - Helena S. Azevedo
- School of Engineering and Materials Science & Institute of Bioengineering, Queen Mary University of London, London, E1 4NS, UK
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Portugal
- INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 208, 4200-180, Porto, Portugal
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Kolberg-Edelbrock J, Cotey TJ, Ma SY, Kapsalis LM, Bondoc DM, Lee SR, Sai H, Smith CS, Chen F, Kolberg-Edelbrock AN, Strong ME, Stupp SI. Biomimetic Extracellular Scaffolds by Microfluidic Superstructuring of Nanofibers. ACS Biomater Sci Eng 2023; 9:1251-1260. [PMID: 36808976 DOI: 10.1021/acsbiomaterials.2c01098] [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] [Indexed: 02/23/2023]
Abstract
The extracellular matrix is a dynamic framework bearing chemical and morphological cues that support many cellular functions, and artificial analogs with well-defined chemistry are of great interest for biomedical applications. Herein, we describe hierarchical, extracellular-matrix-mimetic microgels, termed "superbundles" (SBs) composed of peptide amphiphile (PA) supramolecular nanofiber networks created using flow-focusing microfluidic devices. We explore the effects of altered flow rate ratio and PA concentration on the ability to create SBs and develop design rules for producing SBs with both cationic and anionic PA nanofibers and gelators. We demonstrate the morphological similarities of SBs to decellularized extracellular matrices and showcase their ability to encapsulate and retain proteinaceous cargos with a wide variety of isoelectric points. Finally, we demonstrate that the novel SB morphology does not affect the well-established biocompatibility of PA gels.
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Affiliation(s)
- Jack Kolberg-Edelbrock
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
- Medical Scientist Training Program, Feinberg School of Medicine, Northwestern University, 303 East Chicago Avenue, Morton 1-670, Chicago, Illinois 60611-3008, United States
| | - Thomas J Cotey
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
| | - Steven Y Ma
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
| | - Litsa M Kapsalis
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
| | - Delaney M Bondoc
- Department of Chemistry, Weinberg College of Arts and Sciences, Northwestern University, 2145 Sheridan Road, Tech K148, Evanston, Illinois 60208-0834, United States
| | - Sieun Ruth Lee
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
| | - Hiroaki Sai
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 East Superior Street, Lurie 11, Chicago, Illinois 60611-3015, United States
| | - Cara S Smith
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 2145 Sheridan Road, Tech E310, Evanston, Illinois 60208-0893, United States
| | - Feng Chen
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 East Superior Street, Lurie 11, Chicago, Illinois 60611-3015, United States
| | - Alexandra N Kolberg-Edelbrock
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 2145 Sheridan Road, Tech E310, Evanston, Illinois 60208-0893, United States
| | - Madison E Strong
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 2145 Sheridan Road, Tech E310, Evanston, Illinois 60208-0893, United States
| | - Samuel I Stupp
- Department of Materials Science and Engineering, McCormick School of Engineering, Northwestern University, 2220 Campus Drive, Room 2036, Evanston, Illinois 60208-0893, United States
- Department of Chemistry, Weinberg College of Arts and Sciences, Northwestern University, 2145 Sheridan Road, Tech K148, Evanston, Illinois 60208-0834, United States
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 East Superior Street, Lurie 11, Chicago, Illinois 60611-3015, United States
- Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, 2145 Sheridan Road, Tech E310, Evanston, Illinois 60208-0893, United States
- Department of Medicine, Feinberg School of Medicine, Northwestern University, 676 North Saint Clair Street, Arkes Suite 2330, Chicago, Illinois 60611-2915, United States
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Dexamethasone loaded injectable, self-healing hydrogel microspheresbased on UPy-functionalized Gelatin/ZnHAp physical network promotes bone regeneration. Int J Pharm 2022; 626:122196. [PMID: 36115467 DOI: 10.1016/j.ijpharm.2022.122196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 11/23/2022]
Abstract
Biopolymer-based injectable hydrogels provide great potential as bone tissue engineering (BTE) scaffolds on account of biocompatibility, and pore interconnectivity that enables delivery of cells and/or signaling molecules for bone repair. Recently, Gelatin hydrogels based on H-bonds were considered in response to concerns around the chemical crosslinking agents. In this study, a self-healing gelatin hydrogel with remarkable compressive and self-healing properties was prepared via formation of quadruple hydrogen bonds between ureidopyrimidinon functional groups, which were substituted on NH2 groups of gelatin(GelUPy). Degree of substitution controls properties of the resulting hydrogel from a shape- memory hydrogel (100% substitution), to a hydrogel (about 80%), to this self-healing hydrogel (about 40%). We report a strategy that adopts an emulsion synthesis approach to delivery of dexamethasone and Ca/Zn ions from injectable self-healing GelUPy hydrogel (GelUPy-ZnHApUPy-DEX), to induce osteogenic differentiation of adipose-derived stem cells, in vitro, and enhance bone regeneration in a cranial bone defect in a rat model. We show that key properties of the composite hydrogels, including mechanical properties, and release behavior of DEX are a match to the requirements of BTE. Overall, our results demonstrate that this self-healing gelatin approach is a promising strategy to enhance bone regeneration through a minimally invasive procedure.
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Babut T, Semsarilar M, Rolland M, Quemener D. Nano-Fibrous Networks from Co-Assembly of Amphiphilic Peptide and Polyelectrolyte. Polymers (Basel) 2021; 13:polym13223983. [PMID: 34833282 PMCID: PMC8621722 DOI: 10.3390/polym13223983] [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: 10/18/2021] [Revised: 11/09/2021] [Accepted: 11/16/2021] [Indexed: 12/02/2022] Open
Abstract
Organize the matter on an increasingly small scale is sought in order to increase the performance of materials. In the case of porous materials, such as filtration membranes, a compromise must be found between the selectivity provided by this nanostructuring and a permeability in particular linked to the existing pore volume. In this work, we propose an innovative waterborne approach consisting in co-assembling peptide amphiphiles (PA) which will provide nanostructuring and polyelectrolytes which will provide them with sufficient mechanical properties to sustain water pressure. C16-V3A3K3G-NH2 PA nanocylinders were synthesized and co-assembled with poly(sodium 4-styrenesulfonate) (PSSNa) into porous nano-fibrous network via electrostatic interactions. The ratio between C16-V3A3K3G-NH2 and PSSNa was studied to optimize the material structure. Since spontaneous gelation between the two precursors does not allow the material to be shaped, various production methods have been studied, in particular via tape casting and spray-coating. Whereas self-supported membranes were mechanically weak, co-assemblies supported onto commercial ultrafiltration membranes could sustain water pressure up to 3 bars while a moderate permeability was measured confirming the existence of a percolated network. The produced membrane material falls into the ultrafiltration range with a pore radius of about 7.6 nm.
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