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Behroozi Kohlan T, Wen Y, Mini C, Finne-Wistrand A. Schiff base crosslinked hyaluronic acid hydrogels with tunable and cell instructive time-dependent mechanical properties. Carbohydr Polym 2024; 338:122173. [PMID: 38763720 DOI: 10.1016/j.carbpol.2024.122173] [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: 02/17/2024] [Revised: 03/30/2024] [Accepted: 04/16/2024] [Indexed: 05/21/2024]
Abstract
The dynamic interplay between cells and their native extracellular matrix (ECM) influences cellular behavior, imposing a challenge in biomaterial design. Dynamic covalent hydrogels are viscoelastic and show self-healing ability, making them a potential scaffold for recapitulating native ECM properties. We aimed to implement kinetically and thermodynamically distinct crosslinkers to prepare self-healing dynamic hydrogels to explore the arising properties and their effects on cellular behavior. To do so, aldehyde-substituted hyaluronic acid (HA) was synthesized to generate imine, hydrazone, and oxime crosslinked dynamic covalent hydrogels. Differences in equilibrium constants of these bonds yielded distinct properties including stiffness, stress relaxation, and self-healing ability. The effects of degree of substitution (DS), polymer concentration, crosslinker to aldehyde ratio, and crosslinker functionality on hydrogel properties were evaluated. The self-healing ability of hydrogels was investigated on samples of the same and different crosslinkers and DS to obtain hydrogels with gradient properties. Subsequently, human dermal fibroblasts were cultured in 2D and 3D to assess the cellular response considering the dynamic properties of the hydrogels. Moreover, assessing cell spreading and morphology on hydrogels having similar modulus but different stress relaxation rates showed the effects of matrix viscoelasticity with higher cell spreading in slower relaxing hydrogels.
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Affiliation(s)
- Taha Behroozi Kohlan
- Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen, 56-58, SE 10044 Stockholm, Sweden
| | - Yanru Wen
- Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen, 56-58, SE 10044 Stockholm, Sweden
| | - Carina Mini
- Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen, 56-58, SE 10044 Stockholm, Sweden
| | - Anna Finne-Wistrand
- Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen, 56-58, SE 10044 Stockholm, Sweden.
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Ye B, Lu G, Zhou J, Li Y, Ma Y, Zhang Y, Chen J. Sulfated glyco-based hydrogels as self-healing, adhesive, and anti-inflammatory dressings for wound healing. Colloids Surf B Biointerfaces 2024; 238:113915. [PMID: 38631281 DOI: 10.1016/j.colsurfb.2024.113915] [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: 02/15/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/19/2024]
Abstract
Hydrogels have emerged as a new type of wound dressing materials that involved in different stages of the healing processes. However, most of the existing wound dressings mainly offer a protective and moisturizing layer to prevent cross-infection, while the anti-inflammatory and anti-oxidative properties are frequently induced by extra addition of other bioactive molecules. Here, a novel type of sulfated glyco-functionalized hydrogels for wound dressing was prepared through the hybrid supramolecular co-assembly of carbohydrate segments (FG, FGS and FG3S), fluorenylmethoxycarbonyl-diphenylalanine (Fmoc-FF), and diphenylalanine-dopamine (FFD). Implanting sulfated carbohydrates can mimic the structure of glycosaminoglycans (GAGs), promoting cell proliferation and migration, along with anti-inflammatory effects. In situ polymerization of FFD introduced a secondary covalent network to the hydrogel, meanwhile, providing anti-oxidation and adhesion properties to wound surfaces. Furthermore, the dynamic supramolecular interactions within the hydrogels also confer self-healing capabilities to the wound dressing materials. In vivo experiments further demonstrated significantly accelerated healing rates with the multifunctional hydrogel FG3S-FFD, indicating high application potential.
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Affiliation(s)
- Baotong Ye
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China; School of Chemical & Material Engineering, Jiangnan Universtiy, Wuxi 214122, PR China
| | - Guodong Lu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China
| | - Jingjing Zhou
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China
| | - Yi Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China
| | - Yongxin Ma
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China
| | - Yan Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Jinghua Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China.
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Mozipo EA, Galindo AN, Khachatourian JD, Harris CG, Dorogin J, Spaulding VR, Ford MR, Singhal M, Fogg KC, Hettiaratchi MH. Statistical optimization of hydrazone-crosslinked hyaluronic acid hydrogels for protein delivery. J Mater Chem B 2024; 12:2523-2536. [PMID: 38344905 PMCID: PMC10916537 DOI: 10.1039/d3tb01588b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Accepted: 02/01/2024] [Indexed: 02/27/2024]
Abstract
Hydrazone-crosslinked hydrogels are attractive protein delivery vehicles for regenerative medicine. However, each regenerative medicine application requires unique hydrogel properties to achieve an ideal outcome. The properties of a hydrogel can be impacted by numerous factors involved in its fabrication. We used design of experiments (DoE) statistical modeling to efficiently optimize the physicochemical properties of a hyaluronic acid (HA) hydrazone-crosslinked hydrogel for protein delivery for bone regeneration. We modified HA with either adipic acid dihydrazide (HA-ADH) or aldehyde (HA-Ox) functional groups and used DoE to evaluate the interactions of three input variables, the molecular weight of HA (40 or 100 kDa), the concentration of HA-ADH (1-3% w/v), and the concentration of HA-Ox (1-3% w/v), on three output responses, gelation time, compressive modulus, and hydrogel stability over time. We identified 100 kDa HA-ADH3.00HA-Ox2.33 as an optimal hydrogel that met all of our design criteria, including displaying a gelation time of 3.7 minutes, compressive modulus of 62.1 Pa, and minimal mass change over 28 days. For protein delivery, we conjugated affinity proteins called affibodies that were specific to the osteogenic protein bone morphogenetic protein-2 (BMP-2) to HA hydrogels and demonstrated that our platform could control the release of BMP-2 over 28 days. Ultimately, our approach demonstrates the utility of DoE for optimizing hydrazone-crosslinked HA hydrogels for protein delivery.
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Affiliation(s)
- Esther A Mozipo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
| | - Alycia N Galindo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
| | - Jenna D Khachatourian
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Human Physiology, University of Oregon, Eugene, OR, USA
| | - Conor G Harris
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR, USA
| | - Jonathan Dorogin
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
| | | | - Madeleine R Ford
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Human Physiology, University of Oregon, Eugene, OR, USA
| | - Malvika Singhal
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
- Institute of Molecular Biology, University of Oregon, Eugene, OR, USA.
| | - Kaitlin C Fogg
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR, USA
| | - Marian H Hettiaratchi
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR, USA
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR, USA
- Institute of Molecular Biology, University of Oregon, Eugene, OR, USA.
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Mozipo EA, Galindo AN, Khachatourian JD, Harris CG, Dorogin J, Spaulding VR, Ford MR, Singhal M, Fogg KC, Hettiaratchi MH. Statistical Optimization of Hydrazone-Crosslinked Hyaluronic Acid Hydrogels for Protein Delivery. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.14.549125. [PMID: 37503070 PMCID: PMC10370027 DOI: 10.1101/2023.07.14.549125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Hydrazone-crosslinked hydrogels are attractive protein delivery vehicles for regenerative medicine. However, each regenerative medicine application requires unique hydrogel properties to achieve an ideal outcome. The properties of a hydrogel can be impacted by numerous factors involved in its fabrication. We used design of experiments (DoE) statistical modeling to efficiently optimize the physicochemical properties of a hyaluronic acid (HA) hydrazone-crosslinked hydrogel for protein delivery for bone regeneration. We modified HA with either adipic acid dihydrazide (HA-ADH) or aldehyde (HA-Ox) functional groups and used DoE to evaluate the interactions of three input variables, the molecular weight of HA (40 or 100 kDa), the concentration of HA-ADH (1-3% w/v), and the concentration of HA-Ox (1-3% w/v), on three output responses, gelation time, compressive modulus, and hydrogel stability over time. We identified 100 kDa HA-ADH3.0HA-Ox2.33 as an optimal hydrogel that met all of our design criteria, including displaying a gelation time of 3.7 minutes, compressive modulus of 62.1 Pa, and minimal mass change over 28 days. For protein delivery, we conjugated affinity proteins called affibodies that were specific to the osteogenic protein bone morphogenetic protein-2 (BMP-2) to HA hydrogels and demonstrated that our platform could control the release of BMP-2 over 28 days. Ultimately, our approach demonstrates the utility of DoE for optimizing hydrazone-crosslinked HA hydrogels for protein delivery.
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Affiliation(s)
- Esther A. Mozipo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
| | - Alycia, N. Galindo
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
| | - Jenna D. Khachatourian
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Conor G. Harris
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR
| | - Jonathan Dorogin
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
| | | | - Madeleine R. Ford
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Malvika Singhal
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
- Institute of Molecular Biology, University of Oregon, Eugene, OR
| | - Kaitlin C. Fogg
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR
| | - Marian H. Hettiaratchi
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR
- Department of Chemistry and Biochemistry, University of Oregon, Eugene, OR
- Institute of Molecular Biology, University of Oregon, Eugene, OR
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Engineering Hydrogels for Modulation of Dendritic Cell Function. Gels 2023; 9:gels9020116. [PMID: 36826287 PMCID: PMC9957133 DOI: 10.3390/gels9020116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/16/2023] [Accepted: 01/25/2023] [Indexed: 02/04/2023] Open
Abstract
Dendritic cells (DCs), the most potent antigen-presenting cells, are necessary for the effective activation of naïve T cells. DCs encounter numerous microenvironments with different biophysical properties, such as stiffness and viscoelasticity. Considering the emerging importance of mechanical cues for DC function, it is essential to understand the impacts of these cues on DC function in a physiological or pathological context. Engineered hydrogels have gained interest for the exploration of the impacts of biophysical matrix cues on DC functions, owing to their extracellular-matrix-mimetic properties, such as high water content, a sponge-like pore structure, and tunable mechanical properties. In this review, the introduction of gelation mechanisms of hydrogels is first summarized. Then, recent advances in the substantial effects of developing hydrogels on DC function are highlighted, and the potential molecular mechanisms are subsequently discussed. Finally, persisting questions and future perspectives are presented.
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