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Gürtler AL, Rades T, Heinz A. Electrospun fibers for the treatment of skin diseases. J Control Release 2023; 363:621-640. [PMID: 37820983 DOI: 10.1016/j.jconrel.2023.10.009] [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: 07/21/2023] [Revised: 09/20/2023] [Accepted: 10/04/2023] [Indexed: 10/13/2023]
Abstract
Skin diseases are among the most common diseases in the global population and with the growth of the aging population, they represent an increasing burden to healthcare systems worldwide. Even though they are rarely life-threatening, the suffering for those affected is high due to the visibility and physical discomfort related to these diseases. Typical symptoms of skin diseases include an inflamed, swollen or itchy skin, and therefore, there is a high demand for effective therapy options. In recent years, electrospinning has attracted considerable interest in the field of drug delivery. The technique allows producing multifunctional drug-loaded fibrous patches from various natural and synthetic polymers with fiber diameters in the nano- and micrometer range, suitable for the treatment of a wide variety of skin diseases. The great potential of electrospun fiber patches not only lies in their tunable drug release properties and the possibility to entrap a variety of therapeutic compounds, but they also provide physical and mechanical protection to the impaired skin area, exhibit a high surface area, allow gas exchange, absorb exudate due to their porous structure and are cytocompatible and biodegradable. In the case of wound healing, cell adhesion is promoted due to the resemblance of the electrospun fibers to the structure of the native extracellular matrix. This review gives an overview of the potential applications of electrospun fibers in skin therapy. In addition to the treatment of bacterial, diabetic and burn wounds, focus is placed on inflammatory diseases such as atopic dermatitis and psoriasis, and therapeutic options for the treatment of skin cancer, acne vulgaris and herpes labialis are discussed. While we aim to emphasize the great potential of electrospun fiber patches for the treatment of skin diseases with this review paper, we also highlight challenges and limitations of current research in the field.
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Affiliation(s)
- Anna-Lena Gürtler
- Department of Pharmacy, LEO Foundation Center for Cutaneous Drug Delivery, University of Copenhagen, Copenhagen, Denmark
| | - Thomas Rades
- Department of Pharmacy, LEO Foundation Center for Cutaneous Drug Delivery, University of Copenhagen, Copenhagen, Denmark
| | - Andrea Heinz
- Department of Pharmacy, LEO Foundation Center for Cutaneous Drug Delivery, University of Copenhagen, Copenhagen, Denmark.
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2
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Kan Y, Bondareva JV, Statnik ES, Koudan EV, Ippolitov EV, Podporin MS, Kovaleva PA, Kapaev RR, Gordeeva AM, Cvjetinovic J, Gorin DA, Evlashin SA, Salimon AI, Senatov FS, Korsunsky AM. Hydrogel-Inducing Graphene-Oxide-Derived Core–Shell Fiber Composite for Antibacterial Wound Dressing. Int J Mol Sci 2023; 24:ijms24076255. [PMID: 37047227 PMCID: PMC10094162 DOI: 10.3390/ijms24076255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
The study reveals the polymer–crosslinker interactions and functionality of hydrophilic nanofibers for antibacterial wound coatings. Coaxial electrospinning leverages a drug encapsulation protocol for a core–shell fiber composite with a core derived from polyvinyl alcohol and polyethylene glycol with amorphous silica (PVA-PEG-SiO2), and a shell originating from polyvinyl alcohol and graphene oxide (PVA-GO). Crosslinking with GO and SiO2 initiates the hydrogel transition for the fiber composite upon contact with moisture, which aims to optimize the drug release. The effect of hydrogel-inducing additives on the drug kinetics is evaluated in the case of chlorhexidine digluconate (CHX) encapsulation in the core of core–shell fiber composite PVA-PEG-SiO2-1x-CHX@PVA-GO. The release rate is assessed with the zero, first-order, Higuchi, and Korsmeyer–Peppas kinetic models, where the inclusion of crosslinking silica provides a longer degradation and release rate. CHX medicated core–shell composite provides sustainable antibacterial activity against Staphylococcus aureus.
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Affiliation(s)
- Yuliya Kan
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
- Correspondence:
| | - Julia V. Bondareva
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Eugene S. Statnik
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Elizaveta V. Koudan
- Center for Biomedical Engineering, National University of Science and Technology ‘MISIS’, Leninskiy pr. 4, 119049 Moscow, Russia
| | - Evgeniy V. Ippolitov
- Department of Microbiology, Virology, Immunology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Delegatskaya St. 20, 127473 Moscow, Russia
| | - Mikhail S. Podporin
- Department of Microbiology, Virology, Immunology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Delegatskaya St. 20, 127473 Moscow, Russia
| | - Polina A. Kovaleva
- Center for Biomedical Engineering, National University of Science and Technology ‘MISIS’, Leninskiy pr. 4, 119049 Moscow, Russia
| | - Roman R. Kapaev
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
- Department of Chemistry and BINA—BIU Center for Nanotechnology and Advanced Materials, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Alexandra M. Gordeeva
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Julijana Cvjetinovic
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Dmitry A. Gorin
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Stanislav A. Evlashin
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
| | - Alexey I. Salimon
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
- Center for Biomedical Engineering, National University of Science and Technology ‘MISIS’, Leninskiy pr. 4, 119049 Moscow, Russia
| | - Fedor S. Senatov
- Center for Biomedical Engineering, National University of Science and Technology ‘MISIS’, Leninskiy pr. 4, 119049 Moscow, Russia
| | - Alexander M. Korsunsky
- Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, bld. 1, 121205 Moscow, Russia
- Multi-Beam Laboratory for Engineering Microscopy, Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, UK
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Mares-Bou S, Serrano MA, Gómez-Tejedor JA. Core-Shell Polyvinyl Alcohol (PVA) Base Electrospinning Microfibers for Drug Delivery. Polymers (Basel) 2023; 15:polym15061554. [PMID: 36987334 PMCID: PMC10056133 DOI: 10.3390/polym15061554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/09/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
In this study, electrospun membranes were developed for controlled drug release applications. Both uniaxial Polyvinyl alcohol (PVA) and coaxial fibers with a PVA core and a poly (L-lactic acid) (PLLA) and polycaprolactone (PCL) coating were produced with different coating structures. The best conditions for the manufacture of the fibers were also studied and their morphology was analyzed as a function of the electrospinning parameters. Special attention was paid to the fiber surface morphology of the coaxial fibers, obtaining both porous and non-porous coatings. Bovine serum albumin (BSA) was used as the model protein for the drug release studies and, as expected, the uncoated fibers were determined to have the fastest release kinetics. Different release rates were obtained for the coated fibers, which makes this drug release system suitable for different applications according to the release time required.
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Affiliation(s)
- Sofía Mares-Bou
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 Valencia, Spain
| | - María-Antonia Serrano
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 Valencia, Spain
| | - José Antonio Gómez-Tejedor
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 Valencia, Spain
- CIBER-BBN, Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine, Instituto de Salud Carlos III, 46022 Valencia, Spain
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Abasalta M, Asefnejad A, Khorasani MT, Saadatabadi AR, Irani M. Adsorption and sustained release of doxorubicin from N-carboxymethyl chitosan/polyvinyl alcohol/poly(ε-caprolactone) composite and core-shell nanofibers. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Dulal P, Gharaei R, Berg A, Walters AA, Hawkins N, Claridge TDW, Kowal K, Neill S, Ritchie AJ, Ashfield R, Hill AVS, Tronci G, Russell SJ, Douglas AD. Characterisation of factors contributing to the performance of nonwoven fibrous matrices as substrates for adenovirus vectored vaccine stabilisation. Sci Rep 2021; 11:20877. [PMID: 34686689 PMCID: PMC8536692 DOI: 10.1038/s41598-021-00065-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 09/23/2021] [Indexed: 11/09/2022] Open
Abstract
Adenovirus vectors offer a platform technology for vaccine development. The value of the platform has been proven during the COVID-19 pandemic. Although good stability at 2-8 °C is an advantage of the platform, non-cold-chain distribution would have substantial advantages, in particular in low-income countries. We have previously reported a novel, potentially less expensive thermostabilisation approach using a combination of simple sugars and glass micro-fibrous matrix, achieving excellent recovery of adenovirus-vectored vaccines after storage at temperatures as high as 45 °C. This matrix is, however, prone to fragmentation and so not suitable for clinical translation. Here, we report an investigation of alternative fibrous matrices which might be suitable for clinical use. A number of commercially-available matrices permitted good protein recovery, quality of sugar glass and moisture content of the dried product but did not achieve the thermostabilisation performance of the original glass fibre matrix. We therefore further investigated physical and chemical characteristics of the glass fibre matrix and its components, finding that the polyvinyl alcohol present in the glass fibre matrix assists vaccine stability. This finding enabled us to identify a potentially biocompatible matrix with encouraging performance. We discuss remaining challenges for transfer of the technology into clinical use, including reliability of process performance.
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Affiliation(s)
- Pawan Dulal
- Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN, UK.
| | - Robabeh Gharaei
- grid.9909.90000 0004 1936 8403Clothworkers’ Centre for Textile Materials Innovation for Healthcare, University of Leeds, Leeds, LS2 9JT UK
| | - Adam Berg
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
| | - Adam A. Walters
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
| | - Nicholas Hawkins
- grid.4991.50000 0004 1936 8948Oxford Silk Group, ABRG, Department of Zoology, University of Oxford, Oxford, OX2 3RE UK
| | - Tim D. W. Claridge
- grid.4991.50000 0004 1936 8948Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA UK
| | - Katarzyna Kowal
- grid.436666.7Nonwovens Innovation and Research Institute Ltd, 169 Meanwood Road, Leeds, LS7 1SR UK
| | - Steven Neill
- grid.436666.7Nonwovens Innovation and Research Institute Ltd, 169 Meanwood Road, Leeds, LS7 1SR UK
| | - Adam J. Ritchie
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
| | - Rebecca Ashfield
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
| | - Adrian V. S. Hill
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
| | - Giuseppe Tronci
- grid.9909.90000 0004 1936 8403Clothworkers’ Centre for Textile Materials Innovation for Healthcare, University of Leeds, Leeds, LS2 9JT UK
| | - Stephen J. Russell
- grid.9909.90000 0004 1936 8403Clothworkers’ Centre for Textile Materials Innovation for Healthcare, University of Leeds, Leeds, LS2 9JT UK ,grid.436666.7Nonwovens Innovation and Research Institute Ltd, 169 Meanwood Road, Leeds, LS7 1SR UK
| | - Alexander D. Douglas
- grid.270683.80000 0004 0641 4511Jenner Institute, University of Oxford, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Oxford, OX3 7BN UK
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Haroosh HJ, Dong Y, Jasim S, Ramakrishna S. Improvement of Drug Release and Compatibility between Hydrophilic Drugs and Hydrophobic Nanofibrous Composites. MATERIALS 2021; 14:ma14185344. [PMID: 34576566 PMCID: PMC8468400 DOI: 10.3390/ma14185344] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/30/2021] [Accepted: 09/13/2021] [Indexed: 12/11/2022]
Abstract
Electrospinning is a flexible polymer processing method to produce nanofibres, which can be applied in the biomedical field. The current study aims to develop new electrospun hybrid nanocomposite systems to benefit the sustained release of hydrophilic drugs with hydrophobic polymers. In particular, electrospun hybrid materials consisting of polylactic acid (PLA):poly(ε-caprolactone) (PCL) blends, as well as PLA:PCL/halloysite nanotubes-3-aminopropyltriethoxysilane (HNT-ASP) nanocomposites were developed in order to achieve sustained release of hydrophilic drug tetracycline hydrochloride (TCH) using hydrophobic PLA:PCL nanocomposite membranes as a drug carrier. The impact of interaction between two commonly used drugs, namely TCH and indomethacin (IMC) and PLA:PCL blends on the drug release was examined. The drug release kinetics by fitting the experimental release data with five mathematical models for drug delivery were clearly demonstrated. The average nanofiber diameters were found to be significantly reduced when increasing the TCH concentration due to increasing solution electrical conductivity in contrast to the presence of IMC. The addition of both TCH and IMC drugs to PLA:PCL blends reduced the crystallinity level, glass transition temperature (Tg) and melting temperature (Tm) of PCL within the blends. The decrease in drug release and the impairment elimination for the interaction between polymer blends and drugs was accomplished by mobilising TCH into HNT-ASP for their embedding effect into PLA:PCL nanofibres. The typical characteristic was clearly identified with excellent agreement between our experimental data obtained and Ritger–Peppas model and Zeng model in drug release kinetics. The biodegradation behaviour of nanofibre membranes indicated the effective incorporation of TCH onto HNT-ASP.
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Affiliation(s)
- Hazim J. Haroosh
- School of Civil and Mechanical Engineering, Curtin University, Perth, WA 6845, Australia;
| | - Yu Dong
- School of Civil and Mechanical Engineering, Curtin University, Perth, WA 6845, Australia;
- Correspondence:
| | - Shaimaa Jasim
- Department Biomedical Science, Murdoch University, Perth, WA 6150, Australia;
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore;
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Barani H, Haseloer A, Mathur S, Klein A. Sustained release of a thiosemicarbazone from antibacterial electrospun poly(lactic‐co‐glycolic acid) fiber mats. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Alexander Haseloer
- Department of Chemistry, Institute for Inorganic Chemistry University of Cologne Cologne Germany
| | - Sanjay Mathur
- Department of Chemistry, Institute for Inorganic Chemistry University of Cologne Cologne Germany
| | - Axel Klein
- Department of Carpet University of Birjand Birjand Iran
- Department of Chemistry, Institute for Inorganic Chemistry University of Cologne Cologne Germany
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Azimi B, Maleki H, Zavagna L, De la Ossa JG, Linari S, Lazzeri A, Danti S. Bio-Based Electrospun Fibers for Wound Healing. J Funct Biomater 2020; 11:E67. [PMID: 32971968 PMCID: PMC7563280 DOI: 10.3390/jfb11030067] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 09/10/2020] [Accepted: 09/14/2020] [Indexed: 12/16/2022] Open
Abstract
Being designated to protect other tissues, skin is the first and largest human body organ to be injured and for this reason, it is accredited with a high capacity for self-repairing. However, in the case of profound lesions or large surface loss, the natural wound healing process may be ineffective or insufficient, leading to detrimental and painful conditions that require repair adjuvants and tissue substitutes. In addition to the conventional wound care options, biodegradable polymers, both synthetic and biologic origin, are gaining increased importance for their high biocompatibility, biodegradation, and bioactive properties, such as antimicrobial, immunomodulatory, cell proliferative, and angiogenic. To create a microenvironment suitable for the healing process, a key property is the ability of a polymer to be spun into submicrometric fibers (e.g., via electrospinning), since they mimic the fibrous extracellular matrix and can support neo- tissue growth. A number of biodegradable polymers used in the biomedical sector comply with the definition of bio-based polymers (known also as biopolymers), which are recently being used in other industrial sectors for reducing the material and energy impact on the environment, as they are derived from renewable biological resources. In this review, after a description of the fundamental concepts of wound healing, with emphasis on advanced wound dressings, the recent developments of bio-based natural and synthetic electrospun structures for efficient wound healing applications are highlighted and discussed. This review aims to improve awareness on the use of bio-based polymers in medical devices.
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Affiliation(s)
- Bahareh Azimi
- Interuniversity National Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy; (B.A.); (L.Z.); (A.L.)
- Department of Civil and Industrial Engineering, University of Pisa, 56126 Pisa, Italy
| | - Homa Maleki
- Department of Carpet, University of Birjand, Birjand 9717434765, Iran
| | - Lorenzo Zavagna
- Interuniversity National Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy; (B.A.); (L.Z.); (A.L.)
| | | | | | - Andrea Lazzeri
- Interuniversity National Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy; (B.A.); (L.Z.); (A.L.)
- Department of Civil and Industrial Engineering, University of Pisa, 56126 Pisa, Italy
| | - Serena Danti
- Interuniversity National Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy; (B.A.); (L.Z.); (A.L.)
- Department of Civil and Industrial Engineering, University of Pisa, 56126 Pisa, Italy
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Core-Shell Eudragit S100 Nanofibers Prepared via Triaxial Electrospinning to Provide a Colon-Targeted Extended Drug Release. Polymers (Basel) 2020; 12:polym12092034. [PMID: 32906728 PMCID: PMC7565919 DOI: 10.3390/polym12092034] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 09/03/2020] [Accepted: 09/07/2020] [Indexed: 12/14/2022] Open
Abstract
In this study, a new modified triaxial electrospinning is implemented to generate an Eudragit S100 (ES100)-based core-shell structural nanofiber (CSF), which is loaded with aspirin. The CSFs have a straight line morphology with a smooth surface, an estimated average diameter of 740 ± 110 nm, and a clear core-shell structure with a shell thickness of 65 nm, as disclosed by the scanning electron microscopy and transmission electron microscopy results. Compared to the monolithic composite nanofibers (MCFs) produced using traditional blended single-fluid electrospinning, aspirin presented in both of them amorously owing to their good compatibility. The CSFs showed considerable advantages over the MCFs in providing the desired drug-controlled-release profiles, although both of them released the drug in an erosion mechanism. The former furnished a longer time period of time-delayed-release and a smaller portion released during the first two-hour acid condition for protecting the stomach membranes, and also showed a longer time period of aspirin-extended-release for avoiding possible drug overdose. The present protocols provide a polymer-based process-nanostructure-performance relationship to optimize the reasonable delivery of aspirin.
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