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Wang TJ, Rethi L, Ku MY, Nguyen HT, Chuang AEY. A review on revolutionizing ophthalmic therapy: Unveiling the potential of chitosan, hyaluronic acid, cellulose, cyclodextrin, and poloxamer in eye disease treatments. Int J Biol Macromol 2024; 273:132700. [PMID: 38879998 DOI: 10.1016/j.ijbiomac.2024.132700] [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: 08/21/2023] [Revised: 05/24/2024] [Accepted: 05/26/2024] [Indexed: 06/18/2024]
Abstract
Ocular disorders, encompassing both common ailments like dry eye syndrome and more severe situations for instance age-related macular degeneration, present significant challenges to effective treatment due to the intricate architecture and physiological barriers of the eye. Polysaccharides are emerging as potential solutions for drug delivery to the eyes due to their compatibility with living organisms, natural biodegradability, and adhesive properties. In this review, we explore not only the recent advancements in polysaccharide-based technologies and their transformative potential in treating ocular illnesses, offering renewed optimism for both patients and professionals but also anatomy of the eye and the significant obstacles hindering drug transportation, followed by an investigation into various drug administration methods and their ability to overcome ocular-specific challenges. Our focus lies on biological adhesive polymers, including chitosan, hyaluronic acid, cellulose, cyclodextrin, and poloxamer, known for their adhesive characteristics enhancing drug retention on ocular surfaces and increasing bioavailability. A detailed analysis of material designs used in ophthalmic formulations, such as gels, lenses, eye drops, nanofibers, microneedles, microspheres, and nanoparticles, their advantages and limitations, the potential of formulations in improving therapeutic outcomes for various eye conditions. Moreover, we underscore the discovery of novel polysaccharides and their potential uses in ocular drug delivery.
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Affiliation(s)
- Tsung-Jen Wang
- Department of Ophthalmology, Taipei Medical University Hospital, Taipei 11031, Taiwan; Department of Ophthalmology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Lekshmi Rethi
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City, Taiwan; International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City, Taiwan
| | - Min-Yi Ku
- School of Biomedical Engineering, Taipei Medical University, New Taipei City, Taiwan
| | - Hieu Trung Nguyen
- Department of Orthopedics and Trauma, Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City 700000, Viet Nam
| | - Andrew E-Y Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City, Taiwan; International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, New Taipei City, Taiwan; Cell Physiology and Molecular Image Research Center, Taipei Medical University-Wan Fang Hospital, Taipei 11696, Taiwan.
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2
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Muñoz-Juan A, Assié A, Esteve-Codina A, Gut M, Benseny-Cases N, Samuel BS, Dalfó E, Laromaine A. Caenorhabditis elegans endorse bacterial nanocellulose fibers as functional dietary Fiber reducing lipid markers. Carbohydr Polym 2024; 331:121815. [PMID: 38388067 DOI: 10.1016/j.carbpol.2024.121815] [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: 11/21/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 02/24/2024]
Abstract
Bacterial nanocellulose (BNC) is a promising dietary fiber with potential as a functional food additive. We evaluated BNC fibers (BNCf) in the Caenorhabditis elegans model to obtain insight into the BNCf's biointeraction with its gastrointestinal tract while reducing the variables of higher complex animals. BNCf were uptaken and excreted by worms without crossing the intestinal barrier, confirming its biosafety regarding survival rate, reproduction, and aging for concentrations up to 34 μg/ml BNCf. However, a slight decrease in the worms' length was detected. A possible nutrient shortage or stress produced by BNCf was discarded by measuring stress and chemotactic response pathways. Besides, we detected a lipid-lowering effect of BNCf in N2 C. elegans in normal and high-caloric diets. Oxidative damage was computed in N2 worms and Rac1/ced-10 mutants. The GTPase Rac1 is involved in neurological diseases, where its dysregulation enhances ROS production and neuronal damage. BNCf reduced the lipid oxidative markers produced by ROS species in this worm strain. Finally, we detected that BNCf activated the genetic expression of the immunological response and lipid catabolic process. These results strengthen the use of BNCf as a functional dietary fiber and encourage the potential treatment of neurological disease by modulating diet.
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Affiliation(s)
- Amanda Muñoz-Juan
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra 08193, Spain
| | - Adrien Assié
- Alkek Center for Metagenomics and Microbiome Research and Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Anna Esteve-Codina
- Centro Nacional de Análisis Genómico (CNAG), C/Baldiri Reixac 4, 08028 Barcelona, Spain
| | - Marta Gut
- Centro Nacional de Análisis Genómico (CNAG), C/Baldiri Reixac 4, 08028 Barcelona, Spain
| | - Núria Benseny-Cases
- Universitat Autònoma de Barcelona, Biophysics Unit, Department of Biochemistry and Molecular Biology, Faculty of Medicine, Avinguda de Can Domènech, 08193 Cerdanyola del Vallès, Spain
| | - Buck S Samuel
- Alkek Center for Metagenomics and Microbiome Research and Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA; Program in Development, Disease Models and Therapeutics, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Esther Dalfó
- Faculty of Medicine, University of Vic-Central University of Catalonia (UVic-UCC), 08500 Vic, Spain; Institute for Research and Innovation in Life Sciences and Health in Central Catalonia (IRIS-CC), Can Baumann, 08500, Vic, Spain; Institut de Neurociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; Departament de Bioquímica i Biologia Molecular, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Anna Laromaine
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra 08193, Spain.
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Xeroudaki M, Rafat M, Moustardas P, Mukwaya A, Tabe S, Bellisario M, Peebo B, Lagali N. A double-crosslinked nanocellulose-reinforced dexamethasone-loaded collagen hydrogel for corneal application and sustained anti-inflammatory activity. Acta Biomater 2023; 172:234-248. [PMID: 37866722 DOI: 10.1016/j.actbio.2023.10.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 09/29/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
In cases of blinding disease or trauma, hydrogels have been proposed as scaffolds for corneal regeneration and vehicles for ocular drug delivery. Restoration of corneal transparency, augmenting a thin cornea and postoperative drug delivery are particularly challenging in resource-limited regions where drug availability and patient compliance may be suboptimal. Here, we report a bioengineered hydrogel based on porcine skin collagen as an alternative to human donor corneal tissue for applications where long-term stability of the hydrogel is required. The hydrogel is reinforced with cellulose nanofibers extracted from the Ciona intestinalis sea invertebrate followed by double chemical and photochemical crosslinking. The hydrogel is additionally loaded with dexamethasone to provide sustained anti-inflammatory activity. The reinforced double-crosslinked hydrogel after drug loading maintained high optical transparency with significantly improved mechanical characteristics compared to non-reinforced hydrogels, while supporting a gradual sustained drug release for 60 days in vitro. Dexamethasone, after exposure to crosslinking and sterilization procedures used in hydrogel production, inhibited tube formation and cell migration of TNFα-stimulated vascular endothelial cells. The drug-loaded hydrogels suppressed key pro-inflammatory cytokines CCL2 and CXCL5 in TNFα-stimulated human corneal epithelial cells. Eight weeks after intra-stromal implantation in the cornea of 12 New-Zealand white rabbits subjected to an inflammatory suture stimulus, the dexamethasone-releasing hydrogels suppressed TNFα, MMP-9, and leukocyte and fibroblast cell invasion, resulting in reduced corneal haze, sustained corneal thickness and stromal morphology, and reduced overall vessel invasion. This collagen-nanocellulose double-crosslinked hydrogel can be implanted to treat corneal stromal disease while suppressing inflammation and maintaining transparency after corneal transplantation. STATEMENT OF SIGNIFICANCE: To treat blinding diseases, hydrogel scaffolds have been proposed to facilitate corneal restoration and ocular drug delivery. Here, we improve on a clinically tested collagen-based scaffold to improve mechanical robustness and enzymatic resistance by incorporating sustainably sourced nanocellulose and dual chemical-photochemical crosslinking to reinforce the scaffold, while simultaneously achieving sustained release of an incorporated anti-inflammatory drug, dexamethasone. Evaluated in the context of a corneal disease model with inflammation, the drug-releasing nanocellulose-reinforced collagen scaffold maintained the cornea's transparency and resisted degradation while suppressing inflammation postoperatively. This biomaterial could therefore potentially be applied in a wider range of sight-threatening diseases, overcoming suboptimal administration of postoperative medications to maintain hydrogel integrity and good vision.
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Affiliation(s)
- Maria Xeroudaki
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Mehrdad Rafat
- NaturaLens AB, Linköping, Sweden; LinkoCare Life Sciences AB, Linköping, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden
| | - Petros Moustardas
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Anthony Mukwaya
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Shideh Tabe
- NaturaLens AB, Linköping, Sweden; LinkoCare Life Sciences AB, Linköping, Sweden
| | - Marco Bellisario
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Beatrice Peebo
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Memira Eye Center Scandinavia, Solna, Sweden
| | - Neil Lagali
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway.
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4
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Batko K, Ślęzak-Prochazka I, Sokołowska W, Rak M, Płonka W, Ślęzak A. The Role of the Gravitational Field in Generating Electric Potentials in a Double-Membrane System for Concentration Polarization Conditions. MEMBRANES 2023; 13:833. [PMID: 37888005 PMCID: PMC10608946 DOI: 10.3390/membranes13100833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/01/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023]
Abstract
Electric potentials referred to as the gravielectric effect (∆ΨS) are generated in a double-membrane system containing identical polymer membranes set in horizontal planes and separating non-homogenous electrolyte solutions. The gravielectric effect depends on the concentration and composition of the solutions and is formed due to the gravitational field breaking the symmetry of membrane complexes/concentration boundary layers formed under concentration polarization conditions. As a part of the Kedem-Katchalsky formalism, a model of ion transport was developed, containing the transport parameters of membranes and solutions and taking into account hydrodynamic (convective) instabilities. The transition from non-convective to convective or vice versa can be controlled by a dimensionless concentration polarization factor or concentration Rayleigh number. Using the original measuring set, the time dependence of the membrane potentials was investigated. For steady states, the ∆ΨS was calculated and then the concentration characteristics of this effect were determined for aqueous solutions of NaCl and ethanol. The results obtained from the calculations based on the mathematical model of the gravitational effect are consistent with the experimental results within a 7% error range. It has been shown that a positive or negative gravielectric effect appeared when a density of the solution in the inter-membrane compartment was higher or lower than the density in the outer compartments. The values of the ∆ΨS were in a range from 0 to 27 mV. It was found that, the lower the concentration of solutions in the outer compartments of the two-membrane system (C0), for the same values of Cm/C0, the higher the ∆ΨS, which indicates control properties of the double-membrane system. The considered two-membrane electrochemical system is a source of electromotive force and functions as an electrochemical gravireceptor.
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Affiliation(s)
- Kornelia Batko
- Institute of Political Science, University of Silesia, 11 Bankowa Str., 40287 Katowice, Poland
| | - Izabella Ślęzak-Prochazka
- Department of Systems Biology and Engineering, Silesian University of Technology, Akademicka 2A, 44100 Gliwice, Poland;
- Biotechnology Centre, Silesian University of Technology, Akademicka 2A, 44100 Gliwice, Poland; (W.S.); (M.R.)
| | - Weronika Sokołowska
- Biotechnology Centre, Silesian University of Technology, Akademicka 2A, 44100 Gliwice, Poland; (W.S.); (M.R.)
| | - Małgorzata Rak
- Biotechnology Centre, Silesian University of Technology, Akademicka 2A, 44100 Gliwice, Poland; (W.S.); (M.R.)
| | - Wiktoria Płonka
- Biotechnology Centre, Silesian University of Technology, Akademicka 2A, 44100 Gliwice, Poland; (W.S.); (M.R.)
| | - Andrzej Ślęzak
- Collegium Medicum, Jan Dlugosz University, 13/15 Armia Krajowa Al, 42200 Częstochowa, Poland;
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5
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Leong MY, Kong YL, Harun MY, Looi CY, Wong WF. Current advances of nanocellulose application in biomedical field. Carbohydr Res 2023; 532:108899. [PMID: 37478689 DOI: 10.1016/j.carres.2023.108899] [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: 10/03/2022] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/23/2023]
Abstract
Nanocellulose (NC) is a natural fiber that can be extracted in fibrils or crystals form from different natural sources, including plants, bacteria, and algae. In recent years, nanocellulose has emerged as a sustainable biomaterial for various medicinal applications including drug delivery systems, wound healing, tissue engineering, and antimicrobial treatment due to its biocompatibility, low cytotoxicity, and exceptional water holding capacity for cell immobilization. Many antimicrobial products can be produced due to the chemical functionality of nanocellulose, such disposable antibacterial smart masks for healthcare use. This article discusses comprehensively three types of nanocellulose: cellulose nanocrystals (CNC), cellulose nanofibrils (CNF), and bacterial nanocellulose (BNC) in view of their structural and functional properties, extraction methods, and the distinctive biomedical applications based on the recently published work. On top of that, the biosafety profile and the future perspectives of nanocellulose-based biomaterials have been further discussed in this review.
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Affiliation(s)
- M Y Leong
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - Y L Kong
- Department of Engineering and Applied Sciences, American Degree Program, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia.
| | - M Y Harun
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor Darul Ehsan, Malaysia
| | - C Y Looi
- School of Biosciences, Faculty of Health and Medical Sciences, Taylor's University Lakeside Campus, 47500, Subang Jaya, Selangor Darul Ehsan, Malaysia
| | - W F Wong
- Department of Medical Microbiology, Faculty of Medicine, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
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6
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Revin VV, Liyaskina EV, Parchaykina MV, Kurgaeva IV, Efremova KV, Novokuptsev NV. Production of Bacterial Exopolysaccharides: Xanthan and Bacterial Cellulose. Int J Mol Sci 2023; 24:14608. [PMID: 37834056 PMCID: PMC10572569 DOI: 10.3390/ijms241914608] [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: 08/19/2023] [Revised: 09/15/2023] [Accepted: 09/21/2023] [Indexed: 10/15/2023] Open
Abstract
Recently, degradable biopolymers have become increasingly important as potential environmentally friendly biomaterials, providing a wide range of applications in various fields. Bacterial exopolysaccharides (EPSs) are biomacromolecules, which due to their unique properties have found applications in biomedicine, foodstuff, textiles, cosmetics, petroleum, pharmaceuticals, nanoelectronics, and environmental remediation. One of the important commercial polysaccharides produced on an industrial scale is xanthan. In recent years, the range of its application has expanded significantly. Bacterial cellulose (BC) is another unique EPS with a rapidly increasing range of applications. Due to the great prospects for their practical application, the development of their highly efficient production remains an important task. The present review summarizes the strategies for the cost-effective production of such important biomacromolecules as xanthan and BC and demonstrates for the first time common approaches to their efficient production and to obtaining new functional materials for a wide range of applications, including wound healing, drug delivery, tissue engineering, environmental remediation, nanoelectronics, and 3D bioprinting. In the end, we discuss present limitations of xanthan and BC production and the line of future research.
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Affiliation(s)
- Viktor V. Revin
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia; (E.V.L.); (M.V.P.); (I.V.K.); (K.V.E.); (N.V.N.)
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7
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Malandain N, Sanz-Fraile H, Farré R, Otero J, Roig A, Laromaine A. Cell-Laden 3D Hydrogels of Type I Collagen Incorporating Bacterial Nanocellulose Fibers. ACS APPLIED BIO MATERIALS 2023; 6:3638-3647. [PMID: 37669535 PMCID: PMC10521014 DOI: 10.1021/acsabm.3c00126] [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: 02/15/2023] [Accepted: 08/08/2023] [Indexed: 09/07/2023]
Abstract
There is a growing interest in developing natural hydrogel-based scaffolds to culture cells in a three-dimensional (3D) millieu that better mimics the in vivo cells' microenvironment. A promising approach is to use hydrogels from animal tissues, such as decellularized extracellular matrices; however, they usually exhibit suboptimal mechanical properties compared to native tissue and their composition with hundreds of different protein complicates to elucidate which stimulus triggers cell's responses. As simpler scaffolds, type I collagen hydrogels are used to study cell behavior in mechanobiology even though they are also softer than native tissues. In this work, type I collagen is mixed with bacterial nanocellulose fibers (BCf) to develop reinforced scaffolds with mechanical properties suitable for 3D cell culture. BCf were produced from blended pellicles biosynthesized from Komagataeibacter xylinus. Then, BCf were mixed with concentrated collagen from rat-tail tendons to form composite hydrogels. Confocal laser scanning microscopy and scanning electron microscopy images confirmed the homogeneous macro- and microdistribution of both natural polymers. Porosity analysis confirmed that BCf do not disrupt the scaffold structure. Tensile strength and rheology measurements demonstrated the reinforcement action of BCf (43% increased stiffness) compared to the collagen hydrogel while maintaining the same viscoelastic response. Additionally, this reinforcement of collagen hydrogels with BCf offers the possibility to mix cells before gelation and then proceed to the culture of the 3D cell scaffolds. We obtained scaffolds with human bone marrow-derived mesenchymal stromal cells or human fibroblasts within the composite hydrogels, allowing a homogeneous 3D viable culture for at least 7 days. A smaller surface shrinkage in the reinforced hydrogels compared to type I collagen hydrogels confirmed the strengthening of the composite hydrogels. These collagen hydrogels reinforced with BCf might emerge as a promising platform for 3D in vitro organ modeling, tissue-engineering applications, and suitable to conduct fundamental mechanobiology studies.
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Affiliation(s)
- Nanthilde Malandain
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain
- Unitat
de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències
de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Hector Sanz-Fraile
- Unitat
de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències
de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Ramon Farré
- Unitat
de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències
de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
- CIBER
de Enfermedades Respiratorias, 28029 Madrid, Spain
- Institut
d’Investigacions Biomèdiques August Pi i Sunyer, 08036 Barcelona, Spain
| | - Jorge Otero
- Unitat
de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències
de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
- CIBER
de Enfermedades Respiratorias, 28029 Madrid, Spain
- The
Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), 08028 Barcelona, Spain
| | - Anna Roig
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain
| | - Anna Laromaine
- Institut
de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain
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Jia Z, Ma H, Liu J, Yan X, Liu T, Cheng YY, Li X, Wu S, Zhang J, Song K. Preparation and Characterization of Polylactic Acid/Nano Hydroxyapatite/Nano Hydroxyapatite/Human Acellular Amniotic Membrane (PLA/nHAp/HAAM) Hybrid Scaffold for Bone Tissue Defect Repair. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1937. [PMID: 36903052 PMCID: PMC10003763 DOI: 10.3390/ma16051937] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/06/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Bone tissue engineering is a novel and efficient repair method for bone tissue defects, and the key step of the bone tissue engineering repair strategy is to prepare non-toxic, metabolizable, biocompatible, bone-induced tissue engineering scaffolds of suitable mechanical strength. Human acellular amniotic membrane (HAAM) is mainly composed of collagen and mucopolysaccharide; it has a natural three-dimensional structure and no immunogenicity. In this study, a polylactic acid (PLA)/Hydroxyapatite (nHAp)/Human acellular amniotic membrane (HAAM) composite scaffold was prepared and the porosity, water absorption and elastic modulus of the composite scaffold were characterized. After that, the cell-scaffold composite was constructed using newborn Sprague Dawley (SD) rat osteoblasts to characterize the biological properties of the composite. In conclusion, the scaffolds have a composite structure of large and small holes with a large pore diameter of 200 μm and a small pore diameter of 30 μm. After adding HAAM, the contact angle of the composite decreases to 38.7°, and the water absorption reaches 249.7%. The addition of nHAp can improve the scaffold's mechanical strength. The degradation rate of the PLA+nHAp+HAAM group was the highest, reaching 39.48% after 12 weeks. Fluorescence staining showed that the cells were evenly distributed and had good activity on the composite scaffold; the PLA+nHAp+HAAM scaffold has the highest cell viability. The adhesion rate to HAAM was the highest, and the addition of nHAp and HAAM could promote the rapid adhesion of cells to scaffolds. The addition of HAAM and nHAp can significantly promote the secretion of ALP. Therefore, the PLA/nHAp/HAAM composite scaffold can support the adhesion, proliferation and differentiation of osteoblasts in vitro which provide sufficient space for cell proliferation, and is suitable for the formation and development of solid bone tissue.
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Affiliation(s)
- Zhilin Jia
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
- Department of Hematology, The First Affiliated Hospital of Dalian Medical University, Dalian 116011, China
| | - Hailin Ma
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Jiaqi Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Xinyu Yan
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Tianqing Liu
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Yuen Yee Cheng
- Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Xiangqin Li
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
| | - Shuo Wu
- Department of Medical Oncology, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, Shenyang 110042, China
| | - Jingying Zhang
- Key Laboratory of 3D Printing Technology in Stomatology, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Kedong Song
- State Key Laboratory of Fine Chemicals, Dalian R&D Center for Stem Cell and Tissue Engineering, Dalian University of Technology, Dalian 116024, China
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9
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Chen X, Yang R, Shen J, Huang Q, Wu Z. Research Progress of Bioinspired Nanostructured Systems for the Treatment of Ocular Disorders. Pharmaceuticals (Basel) 2023; 16:ph16010096. [PMID: 36678597 PMCID: PMC9865244 DOI: 10.3390/ph16010096] [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: 12/14/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
How to enhance the bioavailability and prolong the residence time of drugs in the eye present the major barriers to traditional eye delivery. Nanotechnology has been widely used in ocular drug delivery systems because of its advantages of minimizing adverse reactions, decreasing the frequency of administration, prolonging the release time, and improving the bioavailability of the drug in the eye. As natural product-based nanostructured systems, bioinspired nanostructured systems have presented as less toxic, easy to prepare, and cost-effective and have potential application value in the field of nanotechnology. A systematic classification of bioinspired nanostructured systems based on their inspiration source and formulation and their brief applications in disease are presented here. A review of recent research progress of the bioinspired nanostructured systems for the treatment of the anterior and posterior segment of ocular disorders is then presented in detail. Finally, current challenges and future directions with regard to manufacturing bioinspired nanomaterials are provided.
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Affiliation(s)
- Xuan Chen
- Department of Ophthalmology, Wuxi Second People’s Hospital, Nanjing Medical University, Wuxi 214002, China
| | - Rui Yang
- Research Institute for Reproductive Health and Genetic Diseases, Wuxi Maternity and Child Health Care Hospital, Wuxi School of Medicine, Jiangnan University, Wuxi 214002, China
- Correspondence: (R.Y.); (Z.W.)
| | - Jinyan Shen
- Department of Ophthalmology, Wuxi Second People’s Hospital, Nanjing Medical University, Wuxi 214002, China
| | - Qingyu Huang
- Department of Ophthalmology, Wuxi Second People’s Hospital, Nanjing Medical University, Wuxi 214002, China
| | - Zhifeng Wu
- Department of Ophthalmology, Wuxi Second People’s Hospital, Nanjing Medical University, Wuxi 214002, China
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi 214002, China
- Correspondence: (R.Y.); (Z.W.)
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10
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Revin VV, Liyaskina EV, Parchaykina MV, Kuzmenko TP, Kurgaeva IV, Revin VD, Ullah MW. Bacterial Cellulose-Based Polymer Nanocomposites: A Review. Polymers (Basel) 2022; 14:4670. [PMID: 36365662 PMCID: PMC9654748 DOI: 10.3390/polym14214670] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/29/2022] [Accepted: 10/30/2022] [Indexed: 10/15/2023] Open
Abstract
Bacterial cellulose (BC) is currently one of the most popular environmentally friendly materials with unique structural and physicochemical properties for obtaining various functional materials for a wide range of applications. In this regard, the literature reporting on bacterial nanocellulose has increased exponentially in the past decade. Currently, extensive investigations aim at promoting the manufacturing of BC-based nanocomposites with other components such as nanoparticles, polymers, and biomolecules, and that will enable to develop of a wide range of materials with advanced and novel functionalities. However, the commercial production of such materials is limited by the high cost and low yield of BC, and the lack of highly efficient industrial production technologies as well. Therefore, the present review aimed at studying the current literature data in the field of highly efficient BC production for the purpose of its further usage to obtain polymer nanocomposites. The review highlights the progress in synthesizing BC-based nanocomposites and their applications in biomedical fields, such as wound healing, drug delivery, tissue engineering. Bacterial nanocellulose-based biosensors and adsorbents were introduced herein.
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Affiliation(s)
- Viktor V. Revin
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Elena V. Liyaskina
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Marina V. Parchaykina
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Tatyana P. Kuzmenko
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Irina V. Kurgaeva
- Department of Biotechnology, Biochemistry and Bioengineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Vadim D. Revin
- Faculty of Architecture and Civil Engineering, National Research Ogarev Mordovia State University, 430005 Saransk, Russia
| | - Muhammad Wajid Ullah
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
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11
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He B, Wang J, Xie M, Xu M, Zhang Y, Hao H, Xing X, Lu W, Han Q, Liu W. 3D printed biomimetic epithelium/stroma bilayer hydrogel implant for corneal regeneration. Bioact Mater 2022; 17:234-247. [PMID: 35386466 PMCID: PMC8965162 DOI: 10.1016/j.bioactmat.2022.01.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/11/2022] [Accepted: 01/17/2022] [Indexed: 12/11/2022] Open
Abstract
Corneal regeneration has always been a challenge due to its sophisticated structure and undesirable keratocyte-fibroblast transformation. Herein, we propose 3D printing of a biomimetic epithelium/stroma bilayer implant for corneal regeneration. Gelatin methacrylate (GelMA) and long-chain poly(ethylene glycol) diacrylate (PEGDA) are blended to form a two-component ink, which can be printed to different mechanically robust programmed PEGDA-GelMA objects by Digital Light Processing (DLP) printing technology, due to the toughening effect of crystalline crosslinks from long-chain PEGDA on GelMA hydrogel after photo-initiated copolymerization. The printed PEGDA-GelMA hydrogels support cell adhesion, proliferation, migration, meanwhile demonstrating a high light transmittance, and an appropriate swelling degree, nutrient permeation and degradation rate. A bi-layer dome-shaped corneal scaffold consisting of rabbit corneal epithelial cells (rCECs)-laden epithelia layer and rabbit adipose-derived mesenchymal stem cells (rASCs)-laden orthogonally aligned fibrous stroma layer can be printed out with a high fidelity and robustly surgical handling ability. This bi-layer cells-laden corneal scaffold is applied in a rabbit keratoplasty model. The post-operative outcome reveals efficient sealing of corneal defects, re-epithelialization and stromal regeneration. The concerted effects of microstructure of 3D printed corneal scaffold and precisely located cells in epithelia and stroma layer provide an optimal topographical and biological microenvironment for corneal regeneration. Crystalline microphase of long PEGDA is employed to toughen GelMA hydrogel. A bi-layer dome-shaped robust hydrogel-based biomimetic corneal scaffold is printed. The 3D printed cornea implant can efficiently repair the rabbits' corneal defect.
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12
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Murugarren N, Roig‐Sanchez S, Antón‐Sales I, Malandain N, Xu K, Solano E, Reparaz JS, Laromaine A. Highly Aligned Bacterial Nanocellulose Films Obtained During Static Biosynthesis in a Reproducible and Straightforward Approach. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201947. [PMID: 35861401 PMCID: PMC9475533 DOI: 10.1002/advs.202201947] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Bacterial nanocellulose (BNC) is usually produced as randomly-organized highly pure cellulose nanofibers films. Its high water-holding capacity, porosity, mechanical strength, and biocompatibility make it unique. Ordered structures are found in nature and the properties appearing upon aligning polymers fibers inspire everyone to achieve highly aligned BNC (A-BNC) films. This work takes advantage of natural bacteria biosynthesis in a reproducible and straightforward approach. Bacteria confined and statically incubated biosynthesized BNC nanofibers in a single direction without entanglement. The obtained film is highly oriented within the total volume confirmed by polarization-resolved second-harmonic generation signal and Small Angle X-ray Scattering. The biosynthesis approach is improved by reusing the bacterial substrates to obtain A-BNC reproducibly and repeatedly. The suitability of A-BNC as cell carriers is confirmed by adhering to and growing fibroblasts in the substrate. Finally, the thermal conductivity is evaluated by two independent approaches, i.e., using the well-known 3ω-method and a recently developed contactless thermoreflectance approach, confirming a thermal conductivity of 1.63 W mK-1 in the direction of the aligned fibers versus 0.3 W mK-1 perpendicularly. The fivefold increase in thermal conductivity of BNC in the alignment direction forecasts the potential of BNC-based devices outperforming some other natural polymer and synthetic materials.
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Affiliation(s)
- Nerea Murugarren
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
| | - Soledad Roig‐Sanchez
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
| | - Irene Antón‐Sales
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
| | - Nanthilde Malandain
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
| | - Kai Xu
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
| | - Eduardo Solano
- NCD‐SWEET beamlineALBA Synchrotron Light SourceCarrer de la Llum 2−26Cerdanyola del VallèsBarcelona08290Spain
| | | | - Anna Laromaine
- Institut Ciencia de Materials de Barcelona (ICMAB‐CSIC)Campus UABBellaterra08193Spain
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13
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Bosch BM, Bosch-Rue E, Perpiñan-Blasco M, Perez RA. Design of functional biomaterials as substrates for corneal endothelium tissue engineering. Regen Biomater 2022; 9:rbac052. [PMID: 35958516 PMCID: PMC9362998 DOI: 10.1093/rb/rbac052] [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: 04/19/2022] [Revised: 06/29/2022] [Accepted: 07/16/2022] [Indexed: 11/12/2022] Open
Abstract
Corneal endothelium defects are one of the leading causes of blindness worldwide. The actual treatment is transplantation, which requires the use of human cadaveric donors, but it faces several problems, such as global shortage of donors. Therefore, new alternatives are being developed and, among them, cell therapy has gained interest in the last years due to its promising results in tissue regeneration. Nevertheless, the direct administration of cells may sometimes have limited success due to the immune response, hence requiring the combination with extracellular mimicking materials. In this review, we present different methods to obtain corneal endothelial cells from diverse cell sources such as pluripotent or multipotent stem cells. Moreover, we discuss different substrates in order to allow a correct implantation as a cell sheet and to promote an enhanced cell behavior. For this reason, natural or synthetic matrixes that mimic the native environment have been developed. These matrixes have been optimized in terms of their physicochemical properties, such as stiffness, topography, composition and transparency. To further enhance the matrixes properties, these can be tuned by incorporating certain molecules that can be delivered in a sustained manner in order to enhance biological behavior. Finally, we elucidate future directions for corneal endothelial regeneration, such as 3D printing, in order to obtain patient-specific substrates.
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Affiliation(s)
- Begona M Bosch
- Universitat Internacional de Catalunya Bioengineering Institute of Technology (BIT), , Sant Cugat del Valles, Barcelona, 08195, Spain
| | - Elia Bosch-Rue
- Universitat Internacional de Catalunya Bioengineering Institute of Technology (BIT), , Sant Cugat del Valles, Barcelona, 08195, Spain
| | - Marina Perpiñan-Blasco
- Universitat Internacional de Catalunya Bioengineering Institute of Technology (BIT), , Sant Cugat del Valles, Barcelona, 08195, Spain
| | - Roman A Perez
- Universitat Internacional de Catalunya Bioengineering Institute of Technology (BIT), , Sant Cugat del Valles, Barcelona, 08195, Spain
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14
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Nanocellulose-Based Composite Materials Used in Drug Delivery Systems. Polymers (Basel) 2022; 14:polym14132648. [PMID: 35808693 PMCID: PMC9268916 DOI: 10.3390/polym14132648] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 02/01/2023] Open
Abstract
Nanocellulose has lately emerged as one of the most promising “green” materials due to its unique properties. Nanocellulose can be mainly divided into three types, i.e., cellulose nanocrystals (CNCs), cellulose nanofibrils (CNFs), and bacterial cellulose (BC). With the rapid development of technology, nanocellulose has been designed into multidimensional structures, including 1D (nanofibers, microparticles), 2D (films), and 3D (hydrogels, aerogels) materials. Due to its adaptable surface chemistry, high surface area, biocompatibility, and biodegradability, nanocellulose-based composite materials can be further transformed as drug delivery carriers. Herein, nanocellulose-based composite material used for drug delivery was reviewed. The typical drug release behaviors and the drug release mechanisms of nanocellulose-based composite materials were further summarized, and the potential application of nanocellulose-based composite materials was prospected as well.
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15
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Choi SM, Rao KM, Zo SM, Shin EJ, Han SS. Bacterial Cellulose and Its Applications. Polymers (Basel) 2022; 14:polym14061080. [PMID: 35335411 PMCID: PMC8949969 DOI: 10.3390/polym14061080] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/17/2022] [Accepted: 02/23/2022] [Indexed: 12/13/2022] Open
Abstract
The sharp increase in the use of cellulose seems to be in increasing demand in wood; much more research related to sustainable or alternative materials is necessary as a lot of the arable land and natural resources use is unsustainable. In accordance, attention has focused on bacterial cellulose as a new functional material. It possesses a three-dimensional, gelatinous structure consisting of cellulose with mechanical and thermal properties. Moreover, while a plant-originated cellulose is composed of cellulose, hemi-cellulose, and lignin, bacterial cellulose attributable to the composition of a pure cellulose nanofiber mesh spun is not necessary in the elimination of other components. Moreover, due to its hydrophilic nature caused by binding water, consequently being a hydrogel as well as biocompatibility, it has only not only used in medical fields including artificial skin, cartilage, vessel, and wound dressing, but also in delivery; some products have even been commercialized. In addition, it is widely used in various technologies including food, paper, textile, electronic and electrical applications, and is being considered as a highly versatile green material with tremendous potential. However, many efforts have been conducted for the evolution of novel and sophisticated materials with environmental affinity, which accompany the empowerment and enhancement of specific properties. In this review article, we summarized only industry and research status regarding BC and contemplated its potential in the use of BC.
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Affiliation(s)
- Soon Mo Choi
- Research Institute of Cell Culture, Yeung-Nam University, Gyengsan-si 38541, Korea;
- School of Chemical Engineering, Yeung-Nam University, Gyengsan-si 38541, Korea; (K.M.R.); (S.M.Z.)
| | - Kummara Madhusudana Rao
- School of Chemical Engineering, Yeung-Nam University, Gyengsan-si 38541, Korea; (K.M.R.); (S.M.Z.)
| | - Sun Mi Zo
- School of Chemical Engineering, Yeung-Nam University, Gyengsan-si 38541, Korea; (K.M.R.); (S.M.Z.)
| | - Eun Joo Shin
- Department of Organic Materials and Polymer Engineering, Dong-A University, Busan 49315, Korea
- Correspondence: (E.J.S.); (S.S.H.); Tel.: +82-51-2007343 (E.J.S.); +82-53-8103892 (S.S.H.); Fax: +82-51-2007540 (E.J.S.); +82-53-8104686 (S.S.H.)
| | - Sung Soo Han
- Research Institute of Cell Culture, Yeung-Nam University, Gyengsan-si 38541, Korea;
- School of Chemical Engineering, Yeung-Nam University, Gyengsan-si 38541, Korea; (K.M.R.); (S.M.Z.)
- Correspondence: (E.J.S.); (S.S.H.); Tel.: +82-51-2007343 (E.J.S.); +82-53-8103892 (S.S.H.); Fax: +82-51-2007540 (E.J.S.); +82-53-8104686 (S.S.H.)
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16
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Kadir NHA, Mohammad M, Alam M, Torkashvand M, Silvaragi TGB, Gururuloo SL. Utilization of nanocellulose fibers, nanocrystalline cellulose and bacterial cellulose in biomedical and pharmaceutical applications. NANOTECHNOLOGY IN PAPER AND WOOD ENGINEERING 2022:409-470. [DOI: 10.1016/b978-0-323-85835-9.00025-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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17
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Rybchyn MS, Biazik JM, Charlesworth J, le Coutre J. Nanocellulose from Nata de Coco as a Bioscaffold for Cell-Based Meat. ACS OMEGA 2021; 6:33923-33931. [PMID: 34926939 PMCID: PMC8675045 DOI: 10.1021/acsomega.1c05235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
The three-dimensional formation of bio-engineered tissue for applications such as cell-based meat requires critical interaction between the bioscaffold and cellular biomass. To explore the features underlying this interaction, we have assessed the commercially available bacterial nanocellulose (BNC) product from Cass Materials for its suitability to serve as a bioscaffold for murine myoblast attachment, proliferation, and differentiation. Rigorous application of both scanning electron microscopy and transmission electron microscopy reveals cellular details of this interaction. While the retention rate of myoblast cells appears low, BNC is able to provide effective surface parameters for the formation of anchor points to form mature myotubes. Understanding the principles that govern this interaction is important for the successful scaling of these materials into edible, commercially viable, and nutritious biomass.
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Affiliation(s)
- Mark S. Rybchyn
- School
of Chemical Engineering, University of New
South Wales, Sydney, New South Wales 2033, Australia
| | - Joanna M. Biazik
- Electron
Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, New South Wales 2033, Australia
| | - James Charlesworth
- School
of Chemical Engineering, University of New
South Wales, Sydney, New South Wales 2033, Australia
| | - Johannes le Coutre
- School
of Chemical Engineering, University of New
South Wales, Sydney, New South Wales 2033, Australia
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18
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Roig-Sanchez S, Torrecilla O, Floriach-Clark J, Parets S, Levkin PA, Roig A, Laromaine A. One-Step Biosynthesis of Soft Magnetic Bacterial Cellulose Spheres with Localized Nanoparticle Functionalization. ACS APPLIED MATERIALS & INTERFACES 2021; 13:55569-55576. [PMID: 34766498 PMCID: PMC8631704 DOI: 10.1021/acsami.1c17752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
Actuated structures are becoming relevant in medical fields; however, they call for flexible/soft-base materials that comply with biological tissues and can be synthesized in simple fabrication steps. In this work, we extend the palette of techniques to afford soft, actuable spherical structures taking advantage of the biosynthesis process of bacterial cellulose. Bacterial cellulose spheres (BCS) with localized magnetic nanoparticles (NPs) have been biosynthesized using two different one-pot processes: in agitation and on hydrophobic surface-supported static culture, achieving core-shell or hollow spheres, respectively. Magnetic actuability is conferred by superparamagnetic iron oxide NPs (SPIONs), and their location within the structure was finely tuned with high precision. The size, structure, flexibility and magnetic response of the spheres have been characterized. In addition, the versatility of the methodology allows us to produce actuated spherical structures adding other NPs (Au and Pt) in specific locations, creating Janus structures. The combination of Pt NPs and SPIONs provides moving composite structures driven both by a magnetic field and a H2O2 oxidation reaction. Janus Pt/SPIONs increased by five times the directionality and movement of these structures in comparison to the controls.
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Affiliation(s)
- Soledad Roig-Sanchez
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Oriol Torrecilla
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Jordi Floriach-Clark
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Sebastià Parets
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Pavel A. Levkin
- Institute
of Biological and Chemical Systems-Functional Molecular Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen 76344, Germany
| | - Anna Roig
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
| | - Anna Laromaine
- Institut
de Ciència de Materials de Barcelona, ICMAB-CSIC, Campus UAB, Bellaterra, Barcelona 08193, Spain
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19
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Cellulosic Polymers for Enhancing Drug Bioavailability in Ocular Drug Delivery Systems. Pharmaceuticals (Basel) 2021; 14:ph14111201. [PMID: 34832983 PMCID: PMC8621906 DOI: 10.3390/ph14111201] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 12/24/2022] Open
Abstract
One of the major impediments to drug development is low aqueous solubility and thus poor bioavailability, which leads to insufficient clinical utility. Around 70–80% of drugs in the discovery pipeline are suffering from poor aqueous solubility and poor bioavailability, which is a major challenge when one has to develop an ocular drug delivery system. The outer lipid layer, pre-corneal, dynamic, and static ocular barriers limit drug availability to the targeted ocular tissues. Biopharmaceutical Classification System (BCS) class II drugs with adequate permeability and limited or no aqueous solubility have been extensively studied for various polymer-based solubility enhancement approaches. The hydrophilic nature of cellulosic polymers and their tunable properties make them the polymers of choice in various solubility-enhancement techniques. This review focuses on various cellulose derivatives, specifically, their role, current status and novel modified cellulosic polymers for enhancing the bioavailability of BCS class II drugs in ocular drug delivery systems.
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20
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Albano M, Greenwood-Quaintance KE, Karau MJ, Mandrekar JN, Patel R. Anti-biofilm activity of antibiotic-loaded Hylomate®. IJC HEART & VASCULATURE 2021; 34:100801. [PMID: 34159252 PMCID: PMC8203729 DOI: 10.1016/j.ijcha.2021.100801] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/13/2021] [Accepted: 05/15/2021] [Indexed: 11/30/2022]
Abstract
Introduction Antibiotic envelopes are being developed for cardiac implantable electronic device (CIED) wrapping to reduce the risk of infections. Methods Fifteen CIED infection-associated bacterial isolates of Staphylococcus aureus, Staphylococcus epidermidis and Cutibacterium acnes were used to assess in vitro biofilm formation on Hylomate® compared to titanium, silicone and polyurethane coupons pre-treated with vancomycin (400 µg/ml), bacitracin (1000 U/ml) or a combination of rifampin (80 µg/ml) plus minocycline (50 µg/ml). Scanning electron microscopy (SEM) was performed to visualize bacteria on Hylomate®. Results There was significantly less (p < 0.05) S. aureus and S. epidermidis on Hylomate® pre-treated with vancomycin, bacitracin or rifampin plus minocycline after 24 h of incubation (≤1.00 log10 CFU/cm2) compared with titanium, silicone or polyurethane pre-treated with vancomycin, bacitracin or rifampin plus minocycline. C. acnes biofilms were not detected (≤1.00 log10 CFU/cm2) on pre-treated Hylomate® coupons. Conclusions This study showed that Hylomate® coupons pre-treated with antibiotics reduced staphylococcal and C. acnes biofilm formation in vitro.
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Affiliation(s)
- Mariana Albano
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Kerryl E Greenwood-Quaintance
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Melissa J Karau
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Jayawant N Mandrekar
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, United States
| | - Robin Patel
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States.,Division of Infectious Diseases, Department of Medicine, Mayo Clinic, Rochester, MN, United States
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21
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Felgueiras C, Azoia NG, Gonçalves C, Gama M, Dourado F. Trends on the Cellulose-Based Textiles: Raw Materials and Technologies. Front Bioeng Biotechnol 2021; 9:608826. [PMID: 33869148 PMCID: PMC8044815 DOI: 10.3389/fbioe.2021.608826] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 02/25/2021] [Indexed: 01/10/2023] Open
Abstract
There is an emerging environmental awareness and social concern regarding the environmental impact of the textile industry, highlighting the growing need for developing green and sustainable approaches throughout this industry's supply chain. Upstream, due to population growth and the rise in consumption of textile fibers, new sustainable raw materials and processes must be found. Cellulose presents unique structural features, being the most important and available renewable resource for textiles. The physical and chemical modification reactions yielding fibers are of high commercial importance today. Recently developed technologies allow the production of filaments with the strongest tensile performance without dissolution or any other harmful and complex chemical processes. Fibers without solvents are thus on the verge of commercialization. In this review, the technologies for the production of cellulose-based textiles, their surface modification and the recent trends on sustainable cellulose sources, such as bacterial nanocellulose, are discussed. The life cycle assessment of several cellulose fiber production methods is also discussed.
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Affiliation(s)
| | - Nuno G Azoia
- CeNTI-Centre for Nanotechnology and Smart Materials, Vila Nova de Famalicão, Portugal
| | - Cidália Gonçalves
- Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Miguel Gama
- Centre of Biological Engineering, University of Minho, Braga, Portugal
| | - Fernando Dourado
- Centre of Biological Engineering, University of Minho, Braga, Portugal
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22
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Anton-Sales I, Roig-Sanchez S, Traeger K, Weis C, Laromaine A, Turon P, Roig A. In vivo soft tissue reinforcement with bacterial nanocellulose. Biomater Sci 2021; 9:3040-3050. [PMID: 33666604 DOI: 10.1039/d1bm00025j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of surgical meshes to reinforce damaged internal soft tissues has been instrumental for successful hernia surgery; a highly prevalent condition affecting yearly more than 20 million patients worldwide. Intraperitoneal adhesions between meshes and viscera are one of the most threatening complications, often implying reoperation or side effects such as chronic pain and bowel perforation. Despite recent advances in the optimization of mesh porous structure, incorporation of anti-adherent coatings or new approaches in the mesh fixation systems, clinicians and manufacturers are still pursuing an optimal material to improve the clinical outcomes at a cost-effective ratio. Here, bacterial nanocellulose (BNC), a bio-based polymer, is evaluated as a soft tissue reinforcement material regarding mechanical properties and in vivo anti-adhesive performance. A double-layer BNC laminate proved sufficient to meet the standards of mechanical resistance for abdominal hernia reinforcement meshes. BNC-polypropylene (BNC-PP) composites incorporating a commercial mesh have also been prepared. The in vivo study of implanted BNC patches in a rabbit model demonstrated excellent anti-adherent characteristics of this natural nanofibrous polymer 21-days after implantation and the animals were asymptomatic after the surgery. BNC emerges as a novel and versatile hernioplasty biomaterial with outstanding mechanical and anti-adherent characteristics.
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Affiliation(s)
- Irene Anton-Sales
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain.
| | - Soledad Roig-Sanchez
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain.
| | - Kamelia Traeger
- Department of Research and Development, B. Braun Surgical, S.A.U., Carretera de Terrassa 121, Rubí, 08191 Barcelona, Spain.
| | - Christine Weis
- Department of Research and Development, B. Braun Surgical, S.A.U., Carretera de Terrassa 121, Rubí, 08191 Barcelona, Spain.
| | - Anna Laromaine
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain.
| | - Pau Turon
- Department of Research and Development, B. Braun Surgical, S.A.U., Carretera de Terrassa 121, Rubí, 08191 Barcelona, Spain.
| | - Anna Roig
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain.
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Anton-Sales I, Koivusalo L, Skottman H, Laromaine A, Roig A. Limbal Stem Cells on Bacterial Nanocellulose Carriers for Ocular Surface Regeneration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2003937. [PMID: 33586332 DOI: 10.1002/smll.202003937] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 12/18/2020] [Indexed: 06/12/2023]
Abstract
Limbal stem cells (LSCs) are already used in cell-based treatments for ocular surface disorders. Clinical translation of LSCs-based therapies critically depends on the successful delivery, survival, and retention of these therapeutic cells to the desired region. Such a major bottleneck could be overcome by using an appropriate carrier to provide anchoring sites and structural support to LSC culture and transplantation. Bacterial nanocellulose (BNC) is an appealing, yet unexplored, candidate for this application because of its biocompatibility, animal-free origin and mechanical stability. Here, BNC as a vehicle for human embryonic stem cells-derived LSC (hESC-LSC) are investigated. To enhance cell-biomaterial interactions, a plasma activation followed by a Collagen IV and Laminin coating of the BNC substrates is implemented. This surface functionalization with human extracellular matrix proteins greatly improved the attachment and survival of hESC-LSC without compromising the flexible, robust and semi-transparent nature of the BNC. The surface characteristics of the BNC substrates are described and a preliminary ex vivo test in simulated transplantation scenarios is provided. Importantly, it is shown that hESC-LSC retain their self-renewal and stemness characteristics up to 21 days on BNC substrates. These results open the door for future research on hESC-LSC/BNC constructs to treat severe ocular surface pathologies.
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Affiliation(s)
- Irene Anton-Sales
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, 08193, Spain
| | - Laura Koivusalo
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, Tampere, 33520, Finland
| | - Heli Skottman
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, Tampere, 33520, Finland
| | - Anna Laromaine
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, 08193, Spain
| | - Anna Roig
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, 08193, Spain
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Anton-Sales I, Roig-Sanchez S, Sánchez-Guisado MJ, Laromaine A, Roig A. Bacterial Nanocellulose and Titania Hybrids: Cytocompatible and Cryopreservable Cell Carriers. ACS Biomater Sci Eng 2020; 6:4893-4902. [PMID: 33455286 DOI: 10.1021/acsbiomaterials.0c00492] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Carrier-assisted cell transplantation offers new strategies to improve the clinical outcomes of cellular therapies. Bacterial nanocellulose (BC) is an emerging biopolymer that might be of great value in the development of animal-free, customizable, and temperature-stable novel cell carriers. Moreover, BC exhibits a myriad of modification possibilities to incorporate additional functionalities. Here, we have synthesized BC-titanium dioxide (TiO2) nanocomposites (BC/TiO2) to evaluate and compare the suitability of not only BC but also a model hybrid nanobiomaterial as cell transplantation supports. This work provides thorough information on the interactions between BC-based substrates and model human cells in terms of cell attachment, morphology, proliferation rate, and metabolic activity. Two methods to partially retrieve the adhered cells are also reported. Both BC and BC/TiO2 substrates are positively evaluated in terms of cytocompatibility and endotoxin content without detecting major differences between BC and BC nanocomposites. Lastly, the effective cryopreservation of cells-BC and cells-BC/TiO2 constructs, yielding high cell viability and intact cell carrier's characteristics after thawing, is demonstrated. Taken together, our results show that both BC and BC/TiO2 enable to integrate the processes of expansion and long-term storage of human cells in transportable, robust and easy to manipulate supports.
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Affiliation(s)
- Irene Anton-Sales
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | - Soledad Roig-Sanchez
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | | | - Anna Laromaine
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
| | - Anna Roig
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Catalonia, Spain
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