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Wang J, Duan X, Zhong D, Zhang M, Li J, Hu Z, Han F. Pharmaceutical applications of chitosan in skin regeneration: A review. Int J Biol Macromol 2024; 261:129064. [PMID: 38161006 DOI: 10.1016/j.ijbiomac.2023.129064] [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: 07/20/2023] [Revised: 12/15/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
Skin regeneration is the process that restores damaged tissues. When the body experiences trauma or surgical incisions, the skin and tissues on the wound surface become damaged. The body repairs this damage through complex physiological processes to restore the original structural and functional states of the affected tissues. Chitosan, a degradable natural bioactive polysaccharide, has attracted widespread attention partly owing to its excellent biocompatibility and antimicrobial properties; additionally, a modified form of this compound has been shown to promote skin regeneration. This review evaluates the recent research progress in the application of chitosan to promote skin regeneration. First, we discuss the basic principles of the extraction and preparation processes of chitosan from its source. Subsequently, we describe the functional properties of chitosan and the optimization of these properties through modification. We then focus on the existing chitosan-based biomaterials developed for clinical applications and their corresponding effects on skin regeneration, particularly in cases of diabetic and burn wounds. Finally, we explore the challenges and prospects associated with the use of chitosan in skin regeneration. Overall, this review provides a reference for related research and contributes to the further development of chitosan-based products in cutaneous skin regeneration.
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Affiliation(s)
- Jie Wang
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China
| | - Xunxin Duan
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China
| | - Donghuo Zhong
- Medical college of Jiujiang University, Jiujiang, Jiangxi 332000, China
| | - Mengqi Zhang
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China
| | - Jianying Li
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China
| | - Zhijian Hu
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China
| | - Feng Han
- Clinical Medical College, Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi 332000, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang 332000, Jiangxi, China.
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Carretas JM, Ferreira LM, Santos PMP, Gomes SS, Araújo MF, Maria L, Leal JP. Tentative Approaches for Extraction of Lanthanides from Wastewater with Low Metal Concentration. MEMBRANES 2023; 13:membranes13050467. [PMID: 37233528 DOI: 10.3390/membranes13050467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/19/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023]
Abstract
Lanthanides are critical elements, and their recovery from wastewater increases the availability of these elements and reduces their impacts on the environment. In this study, tentative approaches to extract lanthanides from low-concentration aqueous solutions were investigated. PVDF membranes soaked with different active compounds or synthesized chitosan-based membranes containing these active compounds were used. The membranes were immersed in 10-4 M of aqueous solutions of selected lanthanides, and their extraction efficiency was assessed using ICP-MS. The PVDF membranes showed quite poor results, with only the membrane with oxamate ionic liquid giving some positive results (0.75 mg of Yb, 3 mg of lanthanides per gram of membrane). However, the chitosan-based membranes led to very interesting results, with the maximum concentration factor for the final solution relative to the initial solution being 13 times higher for Yb, which was obtained with the chitosan-sucrose-citric acid membrane. Several of the chitosan membranes, namely the one with 1-Butyl-3-methylimidazolium-di-(2-ethylhexyl)-oxamate, could extract around 10 mg of lanthanides per gram of membrane, with the better one being the membrane with sucrose/citric acid that achieved more than 18 mg/g of membrane. The use of chitosan for this purpose is a novelty. Since these membranes are easily prepared and have a very low cost, practical applications can be envisaged after further studies to better understand the underlying mechanism.
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Affiliation(s)
- José M Carretas
- Centro de Química Estrutural (CQE), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
- Departamento de Engenharia e Ciências Nucleares (DECN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - Luís M Ferreira
- Departamento de Engenharia e Ciências Nucleares (DECN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - Pedro M P Santos
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - Susana S Gomes
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - Maria Fátima Araújo
- Departamento de Engenharia e Ciências Nucleares (DECN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
- Centro de Ciências e Tecnologias Nucleares (C2TN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - Leonor Maria
- Centro de Química Estrutural (CQE), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
| | - João Paulo Leal
- Centro de Química Estrutural (CQE), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
- Departamento de Engenharia e Ciências Nucleares (DECN), Instituto Superior Técnico (IST), Universidade de Lisboa, Campus Tecnológico e Nuclear, EN 10, 2695-066 Bobadela, Portugal
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Chitosan-Based Membranes for Skin Wound Repair in a Dorsal Fold Chamber Rat Model. Pharmaceutics 2022; 14:pharmaceutics14122736. [PMID: 36559232 PMCID: PMC9784945 DOI: 10.3390/pharmaceutics14122736] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Frequently, deep partial and full-thickness skin wounds do not spontaneously regenerate. To restore the normal function of skin, epidermal and dermal components have to be supplied to the wound bed by grafting various substrates. Available options are limited and frequently costly. Herein, authors present a possible approach using 3D skin scaffolds capable of mimicking structure and biological functions of the extracellular matrix, providing, in parallel, a good environment for cell attachment, proliferation and differentiation. Low-molecular weight chitosan-based membranes were prepared by freeze-drying and ionizing radiation techniques to be used as skin scaffolds. Poly (vinyl alcohol), PVA, vinyl pyrrolidone, VP, and gelatin from cold water fish were incorporated. Information regarding membranes' physical-chemical properties from SEM analysis, swelling and weight loss, together with biological response through in vitro assays (using Human Caucasian Fetal Foreskin Fibroblast) allowed the selection of an optimized batch of membranes that was used as skin scaffold in a dorsal rat model wound. The in vivo implantation assays (in Wistar rats) resulted in very promising results: (i) healing process faster than control; (ii) good vascularization; (iii) viable new tissues morphologically functional.
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Tran Vo TM, Piroonpan T, Preuksarattanawut C, Kobayashi T, Potiyaraj P. Characterization of pH-responsive high molecular-weight chitosan/poly (vinyl alcohol) hydrogel prepared by gamma irradiation for localizing drug release. BIORESOUR BIOPROCESS 2022; 9:89. [PMID: 38647766 PMCID: PMC10992514 DOI: 10.1186/s40643-022-00576-6] [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: 05/17/2022] [Accepted: 08/08/2022] [Indexed: 11/10/2022] Open
Abstract
pH-sensitive hydrogels prepared by gamma irradiation find promising biological applications, partially, in the field of localized drug liberation. Herein, optimal conditions for fabricating high-molecular-weight chitosan/polyvinyl alcohol hybrid hydrogels using gamma irradiation at 10, 25, and 30 kGy were investigated by studying the water uptake behavior, the pore size on the surface, and thermal stability. Furthermore, the crosslinking mechanism of irradiated hydrogels was examined via solid-state 13C NMR spectrum. The swelling ratio of the gamma-irradiated CS/PVA hydrogel was pH-dependent; particularly, the hybrid hydrogel exhibited high swelling ratios under acidic conditions than those under basic conditions due to the protonation of amino groups on CS-backbone in acidic environments. In addition, amoxicillin was used as a model drug in the in vitro drug release investigations in pH-simulated gastric fluid and deionized water at 37 °C. To identify the drug release mechanism, several kinetic models composing zero-order, first-order, Higuchi, Hixson-Crowell, and Korsmeyer-Peppas models were used. The findings suggested that drug release is mediated by a non-Fickian transport mechanism.
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Affiliation(s)
- Tu Minh Tran Vo
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Energy and Environment Science, Nagaoka University of Technology, Kamitomioka, 1603-1, Nagaoka, Niigata, 940-2188, Japan
| | - Thananchai Piroonpan
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
- Center of Radiation Processing for Polymer Modification and Nanotechnology (CRPN), Faculty of Science, Kasetsart University, 50 Ngam Wong Wan Rd, Lat Yao, Bangkok, 10900, Chatuchak, Thailand
| | - Charasphat Preuksarattanawut
- Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Takaomi Kobayashi
- Department of Energy and Environment Science, Nagaoka University of Technology, Kamitomioka, 1603-1, Nagaoka, Niigata, 940-2188, Japan
| | - Pranut Potiyaraj
- Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand.
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, 10330, Thailand.
- Center of Excellence in Responsive Wearable Materials, Chulalongkorn University, Bangkok, 10330, Thailand.
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García-Couce J, Tomás M, Fuentes G, Que I, Almirall A, Cruz LJ. Chitosan/Pluronic F127 Thermosensitive Hydrogel as an Injectable Dexamethasone Delivery Carrier. Gels 2022; 8:44. [PMID: 35049579 PMCID: PMC8774693 DOI: 10.3390/gels8010044] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/17/2021] [Accepted: 01/04/2022] [Indexed: 02/06/2023] Open
Abstract
Intra-articular administration of anti-inflammatory drugs is a strategy that allows localized action on damaged articular cartilage and reduces the side effects associated with systemic drug administration. The objective of this work is to prepare injectable thermosensitive hydrogels for the long-term application of dexamethasone. The hydrogels were prepared by mixing chitosan (CS) and Pluronic-F127 (PF) physically. In addition, tripolyphosphate (TPP) was used as a crosslinking agent. Chitosan added to the mix increased the gel time compared to the pluronic gel alone. The incorporation of TPP into the material modified the morphology of the hydrogels formed. Subsequently, MTS and Live/Dead® experiments were performed to investigate the toxicity of hydrogels against human chondrocytes. The in vitro releases of dexamethasone (DMT) from CS-PF and CS-PF-TPP gels had an initial burst and took more time than that from the PF hydrogel. In vivo studies showed that hydrogels retained the fluorescent compound longer in the joint than when administered in PBS alone. These results suggest that the CS-PF and CS-PF-TPP hydrogels loaded with DMT could be a promising drug delivery platform for the treatment of osteoarthritis.
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Affiliation(s)
- Jomarien García-Couce
- Biomaterials Center, University of Havana, Avenida Universidad entre G y Ronda, Vedado, Plaza, La Habana 10400, Cuba; (J.G.-C.); (A.A.)
- Translational Nanobiomaterials and Imaging Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
| | - Miriela Tomás
- Unidad de I + D, Empresa Laboratorios AICA, La Habana 11300, Cuba;
| | - Gastón Fuentes
- Biomaterials Center, University of Havana, Avenida Universidad entre G y Ronda, Vedado, Plaza, La Habana 10400, Cuba; (J.G.-C.); (A.A.)
- Translational Nanobiomaterials and Imaging Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
| | - Ivo Que
- Translational Nanobiomaterials and Imaging Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
| | - Amisel Almirall
- Biomaterials Center, University of Havana, Avenida Universidad entre G y Ronda, Vedado, Plaza, La Habana 10400, Cuba; (J.G.-C.); (A.A.)
| | - Luis J. Cruz
- Translational Nanobiomaterials and Imaging Group, Department of Radiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands;
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