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Chang CW, Dargaville BL, Momot KI, Hutmacher DW. An investigation of water status in gelatin methacrylate hydrogels by means of water relaxometry and differential scanning calorimetry. J Mater Chem B 2024; 12:6328-6341. [PMID: 38628083 DOI: 10.1039/d4tb00053f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
The relationship between molecular structure and water dynamics is a fundamental yet often neglected subject in the field of hydrogels for drug delivery, bioprinting, as well as biomaterial science and tissue engineering & regenerative medicine (TE&RM). Water is a fundamental constituent of hydrogel systems and engages via hydrogen bonding with the macromolecular network. The methods and techniques to measure and reveal the phenomena and dynamics of water within hydrogels are still limited. In this work, differential scanning calorimetry (DSC) was used as a quantitative method to analyze freezable (including free and freezable bound) and non-freezable bound water within gelatin methacrylate (GelMA) hydrogels. Nuclear magnetic resonance (NMR) is a complementary method for the study of water behavior and can be used to measure the spin-relaxation of water hydrogen nuclei, which is related to water dynamics. In this research, nuclear magnetic resonance relaxometry was employed to investigate the molecular state of water in GelMA hydrogels using spin-lattice (T1) and spin-spin (T2) spin-relaxation time constants. The data displays a trend of increasing bound water content with increasing GelMA concentration. In addition, T2 values were further applied to calculate microviscosity and translational diffusion coefficients. Water relaxation under various chemical environments, including different media, temperatures, gelatin sources, as well as crosslinking effects, were also examined. These comprehensive physical data sets offer fundamental insight into biomolecule transport within the GelMA hydrogel system, which ultimately are important for drug delivery, bioprinting, as well as biomaterial science and TE&RM communities.
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Affiliation(s)
- Chun-Wei Chang
- Max Planck Queensland Centre on the Materials Science for Extracellular Matrices, Queensland University of Technology (QUT), Brisbane, QLD 4059, Australia.
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), QLD 4059, Australia
| | - Bronwin L Dargaville
- Max Planck Queensland Centre on the Materials Science for Extracellular Matrices, Queensland University of Technology (QUT), Brisbane, QLD 4059, Australia.
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), QLD 4059, Australia
| | - Konstantin I Momot
- School of Chemistry and Physics, Queensland University of Technology (QUT), Brisbane, QLD 4001, Australia
| | - Dietmar W Hutmacher
- Max Planck Queensland Centre on the Materials Science for Extracellular Matrices, Queensland University of Technology (QUT), Brisbane, QLD 4059, Australia.
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), QLD 4059, Australia
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2
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Milton LA, Davern JW, Hipwood L, Chaves JDS, McGovern J, Broszczak D, Hutmacher DW, Meinert C, Toh YC. Liver click dECM hydrogels for engineering hepatic microenvironments. Acta Biomater 2024:S1742-7061(24)00351-9. [PMID: 38960110 DOI: 10.1016/j.actbio.2024.06.037] [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: 01/22/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/05/2024]
Abstract
Decellularized extracellular matrix (dECM) hydrogels provide tissue-specific microenvironments which accommodate physiological cellular phenotypes in 3D in vitro cell cultures. However, their formation hinges on collagen fibrillogenesis, a complex process which limits regulation of physicochemical properties. Hence, achieving reproducible results with dECM hydrogels poses as a challenge. Here, we demonstrate that thiolation of solubilized liver dECM enables rapid formation of covalently crosslinked hydrogels via Michael-type addition, allowing for precise control over mechanical properties and superior organotypic biological activity. Investigation of various decellularization methodologies revealed that treatment of liver tissue with Triton X-100 and ammonium hydroxide resulted in near complete DNA removal with significant retention of the native liver proteome. Chemical functionalization of pepsin-solubilized liver dECMs via 1-ethyl-3(3-dimethylamino)propyl carbodiimide (EDC)/N-hydroxysuccinimide (NHS) coupling of l-Cysteine created thiolated liver dECM (dECM-SH), which rapidly reacted with 4-arm polyethylene glycol (PEG)-maleimide to form optically clear hydrogels under controlled conditions. Importantly, Young's moduli could be precisely tuned between 1 - 7 kPa by varying polymer concentrations, enabling close replication of healthy and fibrotic liver conditions in in vitro cell cultures. Click dECM-SH hydrogels were cytocompatible, supported growth of HepG2 and HepaRG liver cells, and promoted liver-specific functional phenotypes as evidenced by increased metabolic activity, as well CYP1A2 and CYP3A4 activity and excretory function when compared to monolayer culture and collagen-based hydrogels. Our findings demonstrate that click-functionalized dECM hydrogels offer a highly controlled, reproducible alternative to conventional tissue-derived hydrogels for in vitro cell culture applications. STATEMENT OF SIGNIFICANCE: Traditional dECM hydrogels face challenges in reproducibility and mechanical property control due to variable crosslinking processes. We introduce a click hydrogel based on porcine liver decellularized extracellular matrix (dECM) that circumnavigates these challenges. After optimizing liver decellularization for ECM retention, we integrated thiol-functionalized liver dECM with polyethylene-glycol derivatives through Michael-type addition click chemistry, enabling rapid, room-temperature gelation. This offers enhanced control over the hydrogel's mechanical and biochemical properties. The resultant click dECM hydrogels mimic the liver's natural ECM and exhibit greater mechanical tunability and handling ease, facilitating their application in high-throughput and industrial settings. Moreover, these hydrogels significantly improve the function of HepaRG-derived hepatocytes in 3D culture, presenting an advancement for liver tissue cell culture models for drug testing applications.
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Affiliation(s)
- Laura A Milton
- Faculty of Engineering, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia; Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; Gelomics Pty Ltd, Brisbane, Australia
| | - Jordan W Davern
- Faculty of Engineering, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia; Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; Gelomics Pty Ltd, Brisbane, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, Australia
| | - Luke Hipwood
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; Gelomics Pty Ltd, Brisbane, Australia; Faculty of Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
| | - Juliana D S Chaves
- Cell & Molecular Biology Department, Mental Health Program, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - Jacqui McGovern
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, Australia; Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, Australia
| | - Daniel Broszczak
- Faculty of Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
| | - Dietmar W Hutmacher
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, Australia; Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, Australia; Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, Australia
| | - Christoph Meinert
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; Gelomics Pty Ltd, Brisbane, Australia.
| | - Yi-Chin Toh
- Faculty of Engineering, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, Australia; Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology, Brisbane, Australia; Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, Australia; Centre for Microbiome Research, Queensland University of Technology, Brisbane, Australia.
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Zhang W, Liu M, Wu D, Hao Y, Cong B, Wang L, Wang Y, Gao M, Xu Y, Wu Y. PSO/SDF-1 composite hydrogel promotes osteogenic differentiation of PDLSCs and bone regeneration in periodontitis rats. Heliyon 2024; 10:e32686. [PMID: 38961957 PMCID: PMC11220005 DOI: 10.1016/j.heliyon.2024.e32686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 07/05/2024] Open
Abstract
Periodontitis is an inflammatory disease characterized by the destruction of periodontal tissues, and the promotion of bone tissue regeneration is the key to curing periodontitis. Psoralen is the main component of Psoralea corylifolia Linn, and has multiple biological effects, including anti-osteoporosis and osteogenesis. We constructed a novel hydrogel loaded with psoralen (PSO) and stromal cell-derived factor-1 (SDF-1) for direct endogenous cell homing. This study aimed to evaluate the synergistic effects of PSO/SDF-1 on periodontal bone regeneration in patients with periodontitis. The results of CCK8, alkaline phosphatase (ALP) activity assay, and Alizarin Red staining showed that PSO/SDF-1 combination treatment promoted cell proliferation, chemotaxis ability, and ALP activity of PDLSCs. qRT-PCR and western blotting showed that the expression levels of alkaline phosphatase (ALP), dwarf-associated transcription factor 2 (RUNX2), and osteocalcin (OCN) gene were upregulated. Rat periodontal models were established to observe the effect of local application of the composite hydrogel on bone regeneration. These results proved that the PSO/SDF-1 combination treatment significantly promoted new bone formation. The immunohistochemical (IHC) results confirmed the elevated expression of ALP, RUNX2, and OCN osteogenic genes. PSO/SDF-1 composite hydrogel can synergistically regulate the biological function and promote periodontal bone formation. Thus, this study provides a novel strategy for periodontal bone regeneration.
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Affiliation(s)
- Wei Zhang
- School of Stomatology, Shandong Second Medical University, Weifang, 261053, China
| | - Minghong Liu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Di Wu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Yuanping Hao
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Beibei Cong
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Lihui Wang
- School of Stomatology, Shandong Second Medical University, Weifang, 261053, China
| | - Yujia Wang
- School of Stomatology, Shandong Second Medical University, Weifang, 261053, China
| | - Meihua Gao
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Yingjie Xu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
| | - Yingtao Wu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, 266001, China
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Yilmaz H, Bedir T, Gursoy S, Kaya E, Senel I, Tinaz GB, Gunduz O, Ustundag CB. Development of bilayer tissue-engineered scaffolds: combination of 3D printing and electrospinning methodologies. Biomed Mater 2024; 19:045029. [PMID: 38838701 DOI: 10.1088/1748-605x/ad5483] [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: 01/08/2024] [Accepted: 06/05/2024] [Indexed: 06/07/2024]
Abstract
Although different fabrication methods and biomaterials are used in scaffold development, hydrogels and electrospun materials that provide the closest environment to the extracellular matrix have recently attracted considerable interest in tissue engineering applications. However, some of the limitations encountered in the application of these methods alone in scaffold fabrication have increased the tendency to use these methods together. In this study, a bilayer scaffold was developed using 3D-printed gelatin methacryloyl (GelMA) hydrogel containing ciprofloxacin (CIP) and electrospun polycaprolactone (PCL)-collagen (COL) patches. The bilayer scaffolds were characterized in terms of chemical, morphological, mechanical, swelling, and degradation properties; drug release, antibacterial properties, and cytocompatibility of the scaffolds were also studied. In conclusion, bilayer GelMA-CIP/PCL-COL scaffolds, which exhibit sufficient porosity, mechanical strength, and antibacterial properties and also support cell growth, are promising potential substitutes in tissue engineering applications.
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Affiliation(s)
- Hilal Yilmaz
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Health Biotechnology Center for Excellence Joint Practice and Research (SABIOTEK), Yildiz Technical University, Istanbul, Turkey
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Tuba Bedir
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Department of Metallurgical and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Sevda Gursoy
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Health Biotechnology Center for Excellence Joint Practice and Research (SABIOTEK), Yildiz Technical University, Istanbul, Turkey
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Elif Kaya
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Ilkay Senel
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Gulgun Bosgelmez Tinaz
- Health Biotechnology Center for Excellence Joint Practice and Research (SABIOTEK), Yildiz Technical University, Istanbul, Turkey
- Department of Basic Pharmaceutical Sciences, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Oguzhan Gunduz
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, Istanbul, Turkey
- Health Biotechnology Center for Excellence Joint Practice and Research (SABIOTEK), Yildiz Technical University, Istanbul, Turkey
- Department of Metallurgical and Materials Engineering, Faculty of Technology, Marmara University, Istanbul, Turkey
| | - Cem Bulent Ustundag
- Health Biotechnology Center for Excellence Joint Practice and Research (SABIOTEK), Yildiz Technical University, Istanbul, Turkey
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey
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Pramanik S, Alhomrani M, Alamri AS, Alsanie WF, Nainwal P, Kimothi V, Deepak A, Sargsyan AS. Unveiling the versatility of gelatin methacryloyl hydrogels: a comprehensive journey into biomedical applications. Biomed Mater 2024; 19:042008. [PMID: 38768611 DOI: 10.1088/1748-605x/ad4df7] [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: 02/20/2024] [Accepted: 05/20/2024] [Indexed: 05/22/2024]
Abstract
Gelatin methacryloyl (GelMA) hydrogels have gained significant recognition as versatile biomaterials in the biomedical domain. GelMA hydrogels emulate vital characteristics of the innate extracellular matrix by integrating cell-adhering and matrix metalloproteinase-responsive peptide motifs. These features enable cellular proliferation and spreading within GelMA-based hydrogel scaffolds. Moreover, GelMA displays flexibility in processing, as it experiences crosslinking when exposed to light irradiation, supporting the development of hydrogels with adjustable mechanical characteristics. The drug delivery landscape has been reshaped by GelMA hydrogels, offering a favorable platform for the controlled and sustained release of therapeutic actives. The tunable physicochemical characteristics of GelMA enable precise modulation of the kinetics of drug release, ensuring optimal therapeutic effectiveness. In tissue engineering, GelMA hydrogels perform an essential role in the design of the scaffold, providing a biomimetic environment conducive to cell adhesion, proliferation, and differentiation. Incorporating GelMA in three-dimensional printing further improves its applicability in drug delivery and developing complicated tissue constructs with spatial precision. Wound healing applications showcase GelMA hydrogels as bioactive dressings, fostering a conducive microenvironment for tissue regeneration. The inherent biocompatibility and tunable mechanical characteristics of GelMA provide its efficiency in the closure of wounds and tissue repair. GelMA hydrogels stand at the forefront of biomedical innovation, offering a versatile platform for addressing diverse challenges in drug delivery, tissue engineering, and wound healing. This review provides a comprehensive overview, fostering an in-depth understanding of GelMA hydrogel's potential impact on progressing biomedical sciences.
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Affiliation(s)
- Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Majid Alhomrani
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Abdulhakeem S Alamri
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Walaa F Alsanie
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Pankaj Nainwal
- School of Pharmacy, Graphic Era Hill University, Dehradun 248001, India
| | - Vishwadeepak Kimothi
- Himalayan Institute of Pharmacy and Research, Rajawala, Dehradun, Uttrakhand, India
| | - A Deepak
- Saveetha Institute of Medical and Technical Sciences, Saveetha School of Engineering, Chennai, Tamil Nadu 600128, India
| | - Armen S Sargsyan
- Scientific and Production Center 'Armbiotechnology' NAS RA, 14 Gyurjyan Str., Yerevan 0056, Armenia
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Cirves EP, Vargas A, Wheeler EE, Leach JK, Gonzalez-Fernandez T, Simon SI. Neutrophil Granulopoiesis Optimized Through Ex Vivo Expansion of Hematopoietic Progenitors in Engineered 3D Gelatin Methacrylate Hydrogels. Adv Healthc Mater 2024; 13:e2301966. [PMID: 38345178 PMCID: PMC11144100 DOI: 10.1002/adhm.202301966] [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: 06/21/2023] [Revised: 02/07/2024] [Indexed: 02/27/2024]
Abstract
Neutrophils are the first line of defense of the innate immune system. In response to methicillin-resistant Staphylococcus aureus infection in the skin, hematopoietic stem, and progenitor cells (HSPCs) traffic to wounds and undergo extramedullary granulopoiesis, producing neutrophils necessary to resolve the infection. This prompted the engineering of a gelatin methacrylate (GelMA) hydrogel that encapsulates HSPCs within a matrix amenable to subcutaneous delivery. The authors study the influence of hydrogel mechanical properties to produce an artificial niche for granulocyte-monocyte progenitors (GMPs) to efficiently expand into functional neutrophils that can populate infected tissue. Lin-cKIT+ HSPCs, harvested from fluorescent neutrophil reporter mice, are encapsulated in GelMA hydrogels of varying polymer concentration and UV-crosslinked to produce HSPC-laden gels of specific stiffness and mesh sizes. Softer 5% GelMA gels yield the most viable progenitors and effective cell-matrix interactions. Compared to suspension culture, 5% GelMA results in a twofold expansion of mature neutrophils that retain antimicrobial functions including degranulation, phagocytosis, and ROS production. When implanted dermally in C57BL/6J mice, luciferase-expressing neutrophils expanded in GelMA hydrogels are visualized at the site of implantation for over 5 days. They demonstrate the potential of GelMA hydrogels for delivering HSPCs directly to the site of skin infection to promote local granulopoiesis.
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Affiliation(s)
- Evan P. Cirves
- Department of Biomedical Engineering, University of California at Davis, Davis, CA, Address: 451 East Health Sciences Drive, 2303 GBSF, Davis, CA 95616
| | - Alex Vargas
- Department of Biomedical Engineering, University of California at Davis, Davis, CA
| | - Erika E. Wheeler
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA and Department of Biomedical Engineering, University of California at Davis, Davis, CA, Address: 4860 Y Street, Suite 3800, Sacramento, CA, 95817
| | - J. Kent Leach
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento, CA, Address: 4860 Y Street, Suite 3800, Sacramento, CA, 95817
| | - Tomas Gonzalez-Fernandez
- Department of Bioengineering, Lehigh University, Bethlehem, PA., Address: 124 E Morton Street, Health Science and Technology Building, Bethlehem, PA 18015
| | - Scott I. Simon
- Department of Biomedical Engineering and Dermatology, University of California at Davis, Davis, CA
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Davern JW, Hipwood L, Bray LJ, Meinert C, Klein TJ. Addition of Laponite to gelatin methacryloyl bioinks improves the rheological properties and printability to create mechanically tailorable cell culture matrices. APL Bioeng 2024; 8:016101. [PMID: 38204454 PMCID: PMC10776181 DOI: 10.1063/5.0166206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 12/12/2023] [Indexed: 01/12/2024] Open
Abstract
Extrusion-based bioprinting has gained widespread popularity in biofabrication due to its ability to assemble cells and biomaterials in precise patterns and form tissue-like constructs. To achieve this, bioinks must have rheological properties suitable for printing while maintaining cytocompatibility. However, many commonly used biomaterials do not meet the rheological requirements and therefore require modification for bioprinting applications. This study demonstrates the incorporation of Laponite-RD (LPN) into gelatin methacryloyl (GelMA) to produce highly customizable bioinks with desired rheological and mechanical properties for extrusion-based bioprinting. Bioink formulations were based on GelMA (5%-15% w/v) and LPN (0%-4% w/v), and a comprehensive rheological design was applied to evaluate key rheological properties necessary for extrusion-based bioprinting. The results showed that GelMA bioinks with LPN (1%-4% w/v) exhibited pronounced shear thinning and viscoelastic behavior, as well as improved thermal stability. Furthermore, a concentration window of 1%-2% (w/v) LPN to 5%-15% GelMA demonstrated enhanced rheological properties and printability required for extrusion-based bioprinting. Construct mechanical properties were highly tunable by varying polymer concentration and photocrosslinking parameters, with Young's moduli ranging from ∼0.2 to 75 kPa. Interestingly, at higher Laponite concentrations, GelMA cross-linking was inhibited, resulting in softer hydrogels. High viability of MCF-7 breast cancer cells was maintained in both free-swelling droplets and printed hydrogels, and metabolically active spheroids formed over 7 days of culture in all conditions. In summary, the addition of 1%-2% (w/v) LPN to gelatin-based bioinks significantly enhanced rheological properties and retained cell viability and proliferation, suggesting its suitability for extrusion-based bioprinting.
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Paul S, Schrobback K, Tran PA, Meinert C, Davern JW, Weekes A, Klein TJ. Photo-Cross-Linkable, Injectable, and Highly Adhesive GelMA-Glycol Chitosan Hydrogels for Cartilage Repair. Adv Healthc Mater 2023; 12:e2302078. [PMID: 37737465 DOI: 10.1002/adhm.202302078] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/27/2023] [Indexed: 09/23/2023]
Abstract
Hydrogels provide a promising platform for cartilage repair and regeneration. Although hydrogels have shown some efficacy, they still have shortcomings including poor mechanical properties and suboptimal integration with surrounding cartilage. Herein, hydrogels that are injectable, cytocompatible, mechanically robust, and highly adhesive to cartilage are developed. This approach uses GelMA-glycol chitosan (GelMA-GC) that is crosslinkable with visible light and photoinitiators (lithium acylphosphinate and tris (2,2'-bipyridyl) dichlororuthenium (II) hexahydrate ([RuII(bpy)3 ]2+ and sodium persulfate (Ru/SPS)). Ru/SPS-cross-linked hydrogels have higher compressive and tensile modulus, and most prominently higher adhesive strength with cartilage, which also depends on inclusion of GC. Tensile and push-out tests of the Ru/SPS-cross-linked GelMA-GC hydrogels demonstrate adhesive strength of ≈100 and 46 kPa, respectively. Hydrogel precursor solutions behave in a Newtonian manner and are injectable. After injection in focal bovine cartilage defects and in situ cross-linking, this hydrogel system remains intact and integrated with cartilage following joint manipulation ex vivo. Cells remain viable (>85%) in the hydrogel system and further show tissue regeneration potential after three weeks of in vitro culture. These preliminary results provide further motivation for future research on bioadhesive hydrogels for cartilage repair and regeneration.
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Affiliation(s)
- Sattwikesh Paul
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- Department of Surgery and Radiology, Faculty of Veterinary Medicine and Animal Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Karsten Schrobback
- School of Biomedical Sciences, Centre for Genomics and Personalised Health, Translational Research Institute, Queensland University of Technology (QUT), 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Phong Anh Tran
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Christoph Meinert
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
- Chief Executive Officer of Gelomics Pty Ltd, Brisbane, Queensland, 4059, Australia
| | - Jordan William Davern
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
- ARC Training Centre for Cell and Tissue Engineering Technologies, Queensland University of Technology (QUT), Brisbane, QLD, 4059, Australia
| | - Angus Weekes
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
| | - Travis Jacob Klein
- Centre for Biomedical Technologies, Queensland University of Technology, 60 Musk Ave., Kelvin Grove, QLD, 4059, Australia
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD, 4000, Australia
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Dong L, Huang C, Zhao B, Hu G, Huang Y, Zhang X, Hu X, Wang Y, Qian W, Luo G. A pH/enzyme dual responsive PMB spatiotemporal release hydrogel promoting chronic wound repair. J Nanobiotechnology 2023; 21:213. [PMID: 37420287 DOI: 10.1186/s12951-023-01947-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 06/01/2023] [Indexed: 07/09/2023] Open
Abstract
Suppressing persistent multidrug-resistant (MDR) bacterial infections and excessive inflammation is the key for treating chronic wounds. Therefore, developing a microenvironment-responsive material with good biodegradability, drug-loading, anti-infection, and anti-inflammatory properties is desired to boost the chronic wounds healing process; however, using ordinary assembly remains a defect. Herein, we propose a pH/enzyme dual-responsive polymyxin B (PMB) spatiotemporal-release hydrogel (GelMA/OSSA/PMB), namely, the amount of OSSA and PMB released from GelMA/OSSA/PMB was closely related the wound pH and the enzyme concentration changing. The GelMA/OSSA/PMB showed better biosafety than equivalent free PMB, owing to the controlled release of PMB, which helped kill planktonic bacteria and inhibit biofilm activity in vitro. In addition, the GelMA/OSSA/PMB exhibited excellent antibacterial and anti-inflammatory properties. A MDR Pseudomonas aeruginosa caused infection was effectively resolved by the GelMA/OSSA/PMB hydrogel in vivo, thereby significantly boosting wound closure during the inflammatory phase. Furthermore, GelMA/OSSA/PMB accelerated the sequential phases of wound repair.
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Affiliation(s)
- Lanlan Dong
- College of Bioengineering, Chongqing University, Chongqing, 400044, People's Republic of China
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Can Huang
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Baohua Zhao
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Guangyun Hu
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Yong Huang
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Xiaorong Zhang
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Xiaohong Hu
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Ying Wang
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China
| | - Wei Qian
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China.
| | - Gaoxing Luo
- Institute of Burn Research, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, People's Republic of China.
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Ma X, Zhang J, Javed M, Wu J, Hu Y, Yin S, Zhu Y, Wu W, Liu F. Chitosan based smart polymer composites: Fabrication and pH-Responsive behavior for bio-medical applications. ENVIRONMENTAL RESEARCH 2023; 221:115286. [PMID: 36642127 DOI: 10.1016/j.envres.2023.115286] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/04/2022] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
This research aimed to synthesize Chitosan/PVA-blank and a series of Cs/PVA/Sepolite based pH-sensitive membranes using a solution casting process. The synthesized Cs/PVA-blank and Cs/PVA/Sep based membranes were investigated via SEM, FTIR, XRD, and TGA techniques. The SEM results of Cs/PVA/Sep based membrane reveal that the hydrolytic stability and strength were improved in acidic and basic media owing to the incorporation of sepiolite content into chitosan. The characteristic band at 3741 cm-1 in the FTIR spectra of the Cs/PVA/Sep membrane confirmed the successful synthesis. The obtained XRD results showed higher d-spacing for Cs/PVA/Sep membranes as compared to the Cs/PVA-blank membranes owing to the intercalation of chitosan in the interlayer spacing of the sepiolite. The obtained TGA results show higher thermally stability for Cs/PVA/Sep membrane as compared to the Cs/PVA-blank sample due to the interaction of sepiolite content with the chitosan matrix. The obtained hydrolytic and swelling studies revealed that the Cs/PVA/Sep membrane displayed enhanced stability in basic and neutral media while showing minimum swelling in an acidic medium. The water uptake ability was checked for Cs/PVA/-blank and Cs/PVA/Sep-60% membrane and the results exhibited that the Cs/PVA/-blank membrane had maximum water uptake value as compared to the Cs/PVA/Sep-60% membrane. While those with a considerable amount of filler had the lowest water uptake values. As Sepolite content increased, the water uptake % values decreases because of weakness in H-bonding (of hydrophilic groups) and due to intercalation in Sepolite layers during polymer formation.
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Affiliation(s)
- Xijun Ma
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China; Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Jing Zhang
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China; Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Mehwish Javed
- Department of Chemistry of Chemistry, Hazara University, Mansehra, 21300, Pakistan.
| | - Jiayu Wu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Yuzhu Hu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Siyuan Yin
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Yujie Zhu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Wentian Wu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China.
| | - Fei Liu
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huaian, 223003, China; Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, Huaiyin Institute of Technology, Huaian, 223003, China.
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11
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Kapusta O, Jarosz A, Stadnik K, Giannakoudakis DA, Barczyński B, Barczak M. Antimicrobial Natural Hydrogels in Biomedicine: Properties, Applications, and Challenges-A Concise Review. Int J Mol Sci 2023; 24:2191. [PMID: 36768513 PMCID: PMC9917233 DOI: 10.3390/ijms24032191] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Natural hydrogels are widely used as biomedical materials in many areas, including drug delivery, tissue scaffolds, and particularly wound dressings, where they can act as an antimicrobial factor lowering the risk of microbial infections, which are serious health problems, especially with respect to wound healing. In this review article, a number of promising strategies in the development of hydrogels with biocidal properties, particularly those originating from natural polymers, are briefly summarized and concisely discussed. Common strategies to design and fabricate hydrogels with intrinsic or stimuli-triggered antibacterial activity are exemplified, and the mechanisms lying behind these properties are also discussed. Finally, practical antibacterial applications are also considered while discussing the current challenges and perspectives.
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Affiliation(s)
- Oliwia Kapusta
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | - Anna Jarosz
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | - Katarzyna Stadnik
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
| | | | - Bartłomiej Barczyński
- 1st Department of Oncological Gynecology and Gynecology, Medical University in Lublin, 20-059 Lublin, Poland
| | - Mariusz Barczak
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, 20031 Lublin, Poland
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12
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Semi-Synthetic Click-Gelatin Hydrogels as Tunable Platforms for 3D Cancer Cell Culture. Gels 2022; 8:gels8120821. [PMID: 36547345 PMCID: PMC9778549 DOI: 10.3390/gels8120821] [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: 11/11/2022] [Revised: 11/25/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
Basement membrane extracts (BME) derived from Engelbreth-Holm-Swarm (EHS) mouse sarcomas such as Matrigel® remain the gold standard extracellular matrix (ECM) for three-dimensional (3D) cell culture in cancer research. Yet, BMEs suffer from substantial batch-to-batch variation, ill-defined composition, and lack the ability for physichochemical manipulation. Here, we developed a novel 3D cell culture system based on thiolated gelatin (Gel-SH), an inexpensive and highly controlled raw material capable of forming hydrogels with a high level of biophysical control and cell-instructive bioactivity. We demonstrate the successful thiolation of gelatin raw materials to enable rapid covalent crosslinking upon mixing with a synthetic poly(ethylene glycol) (PEG)-based crosslinker. The mechanical properties of the resulting gelatin-based hydrogels were readily tuned by varying precursor material concentrations, with Young's moduli ranging from ~2.5 to 5.8 kPa. All hydrogels of varying stiffnesses supported the viability and proliferation of MDA-MB-231 and MCF-7 breast cancer cell lines for 14 and 21 days of cell culture, respectively. Additionally, the gelatin-based hydrogels supported the growth, viability, and osteogenic differentiation of patient-derived preosteoblasts over 28 days of culture. Collectively, our data demonstrate that gelatin-based biomaterials provide an inexpensive and tunable 3D cell culture platform that may overcome the limitations of traditional BMEs.
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13
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Theus AS, Ning L, Kabboul G, Hwang B, Tomov ML, LaRock CN, Bauser-Heaton H, Mahmoudi M, Serpooshan V. 3D bioprinting of nanoparticle-laden hydrogel scaffolds with enhanced antibacterial and imaging properties. iScience 2022; 25:104947. [PMID: 36065192 PMCID: PMC9440295 DOI: 10.1016/j.isci.2022.104947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/13/2022] [Accepted: 08/11/2022] [Indexed: 11/25/2022] Open
Abstract
Biomaterial-associated microbial contaminations in biologically conducive three-dimensional (3D) tissue-engineered constructs have significantly limited the clinical applications of scaffold systems. To prevent such infections, antimicrobial biomaterials are rapidly evolving. Yet, the use of such materials in bioprinting-based approaches of scaffold fabrication has not been examined. This study introduces a new generation of bacteriostatic gelatin methacryloyl (GelMA)-based bioinks, incorporated with varying doses of antibacterial superparamagnetic iron oxide nanoparticles (SPIONs). The SPION-laden GelMA scaffolds showed significant resistance against the Staphylococcus aureus growth, while providing a contrast in magnetic resonance imaging. We simulated the bacterial contamination of cellular 3D GelMA scaffolds in vitro and demonstrated the significant effect of functionalized scaffolds in inhibiting bacterial growth, while maintaining cell viability and growth. Together, these results present a new promising class of functionalized bioinks to 3D bioprint tissue-engineered scaffold with markedly enhanced properties for the use in a variety of in vitro and clinical applications. Functionalized bioinks with bacteriostatic properties are developed and thoroughly characterized The 200 μg/mL group yielded an optimal balance of printed scaffold properties Incorporating nanoparticle also enabled noninvasive imaging of the bioprinted scaffold
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