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Lalebeigi F, Alimohamadi A, Afarin S, Aliabadi HAM, Mahdavi M, Farahbakhshpour F, Hashemiaval N, Khandani KK, Eivazzadeh-Keihan R, Maleki A. Recent advances on biomedical applications of gellan gum: A review. Carbohydr Polym 2024; 334:122008. [PMID: 38553201 DOI: 10.1016/j.carbpol.2024.122008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 02/12/2024] [Accepted: 02/27/2024] [Indexed: 04/02/2024]
Abstract
Gellan gum (GG) has attracted considerable attention as a versatile biopolymer with numerous potential biological applications, especially in the fields of tissue engineering, wound healing, and cargo delivery. Due to its distinctive characteristics like biocompatibility, biodegradability, nontoxicity, and gel-forming ability, GG is well-suited for these applications. This review focuses on recent research on GG-based hydrogels and biocomposites and their biomedical applications. It discusses the incorporation of GG into hydrogels for controlled drug release, its role in promoting wound healing processes, and its potential in tissue engineering for various tissues including bone, retina, cartilage, vascular, adipose, and cardiac tissue. It provides an in-depth analysis of the latest findings and advancements in these areas, making it a valuable resource for researchers and professionals in these fields.
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Affiliation(s)
- Farnaz Lalebeigi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | | | - Shahin Afarin
- School of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | | | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Farahbakhshpour
- Medical Biotechnology Department, Biotechnology Research Center (BRC), Pasteur Institute of Iran (IPI), Tehran, Iran
| | - Neginsadat Hashemiaval
- Medical Biotechnology Department, Biotechnology Research Center (BRC), Pasteur Institute of Iran (IPI), Tehran, Iran
| | - Kimia Kalantari Khandani
- Medical Biotechnology Department, Biotechnology Research Center (BRC), Pasteur Institute of Iran (IPI), Tehran, Iran
| | - Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran.
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Chi J, Lu M, Wang S, Xu T, Ju R, Liu C, Zhang Z, Jiang Z, Han B. Injectable hydrogels derived from marine polysaccharides as cell carriers for large corneal epithelial defects. Int J Biol Macromol 2023; 253:127084. [PMID: 37769782 DOI: 10.1016/j.ijbiomac.2023.127084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 09/12/2023] [Accepted: 09/23/2023] [Indexed: 10/03/2023]
Abstract
Injectable hydrogels have been employed for sutureless repair of corneal epithelial defects, which can perfectly fit the defect sites and minimize the associated discomfort. However, numerous hydrogels are ineffective in treating large corneal epithelial defects and still suffer from poor biocompatibility or weak applicability when used as cell carriers. Herein, hydroxypropyl chitin/carboxymethyl chitosan (HPCT/CMCS) temperature-sensitive hydrogels are fabricated, and their physicochemical properties and suitability for corneal epithelial repair are investigated. The results demonstrate that HPCT/CMCS hydrogels have excellent temperature sensitivity between 20 and 25 °C and a transparency of over 80 %. Besides, HPCT/CMCS hydrogels can promote cell proliferation and facilitate cell migration of primary rabbit corneal epithelial cells (CEpCs). A rabbit large corneal epithelial defect model (6 mm) is established, and CEpCs are transplanted into defect sites by HPCT/CMCS hydrogels. The results suggest that HPCT/CMCS/CEpCs significantly enhance the repair of large corneal epithelial defects with a healing rate of 99.6 % on day 8, while reducing inflammatory responses and scarring formation. Furthermore, HPCT/CMCS/CEpCs can contribute to the reconstruction of damaged tissues and the recovery of functional capacities. Overall, HPCT/CMCS hydrogels may be a feasible corneal cell carrier material and can provide an alternative approach to large corneal epithelial defects.
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Affiliation(s)
- Jinhua Chi
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Minxin Lu
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Shuo Wang
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Tianjiao Xu
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Ruibao Ju
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Chenqi Liu
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Zhenguo Zhang
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Zhen Jiang
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China
| | - Baoqin Han
- Laboratory of Biochemistry and Biomedical Materials, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, PR China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266235, PR China.
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Rodrigues-Braz D, Zhu L, Gélizé E, Clarin JP, Chatagnon X, Benzine Y, Rampignon P, Thouvenin A, Bourges JL, Behar-Cohen F, Zhao M. Spironolactone Eyedrop Favors Restoration of Corneal Integrity after Wound Healing in the Rat. Pharmaceuticals (Basel) 2023; 16:1446. [PMID: 37895917 PMCID: PMC10609951 DOI: 10.3390/ph16101446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/29/2023] Open
Abstract
Abnormal corneal wound healing can compromise corneal transparency and lead to visual impairment. Mineralocorticoid receptor antagonists (MRA) are promising candidates to promote corneal remodeling with anti-inflammatory properties and lack gluococorticoids-associated side effects. In this preclinical study, a new polymer-free hydroxypropyl-gamma-cyclodextrin-based eyedrop containing 0.1% spironolactone (SPL), a potent but non-water-soluble MRA, was investigated for its ocular surface tolerance and efficacy in a rat model of corneal wound healing. SPL eyedrops were stable for up to 9 months at 4 °C. The formulation was well-tolerated since no morphological changes or inflammatory reactions were observed in the rat cornea after multiple daily instillations over 7 days. SPL eyedrops accelerated rat corneal wound healing, reduced corneal edema and inflammation, enhanced epithelial integrity, and improved nerve regeneration, suggesting restoration of corneal homeostasis, while potassium canrenoate, an active and soluble metabolite of SPL, had no effect. SPL eyedrops could benefit patients with impaired corneal wound healing, including that secondary to glucocorticoid therapy. Repurposing known drugs with known excipients will expedite translation to the clinic.
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Affiliation(s)
- Daniela Rodrigues-Braz
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
| | - Linxin Zhu
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
| | - Emmanuelle Gélizé
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
| | | | | | | | | | - Agathe Thouvenin
- CNRS, Inserm, UTCBS, Université Paris Cité, 75006 Paris, France;
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 75005 Paris, France
| | - Jean-Louis Bourges
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
- Ophtalmopole, AP-HP, Cochin Hospital, 75014 Paris, France
| | - Francine Behar-Cohen
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
- Ophtalmopole, AP-HP, Cochin Hospital, 75014 Paris, France
- Hôpital Foch, Service D’ophtalmologie, 92150 Suresnes, France
| | - Min Zhao
- Centre de Recherche des Cordeliers, Inserm, Université Paris Cité, Sorbonne Université, 75006 Paris, France; (D.R.-B.); (L.Z.); (E.G.); (J.-L.B.); (M.Z.)
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Gomes D, Batista-silva J, Sousa A, Passarinha L. Progress and opportunities in Gellan gum-based materials: A review of preparation, characterization and emerging applications. Carbohydr Polym 2023. [PMID: 37028862 DOI: 10.1016/j.carbpol.2023.120782] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023]
Abstract
Gellan gum, a microbial exopolysaccharide, is biodegradable and has potential to fill several key roles in many fields from food to pharmacy, biomedicine and tissue engineering. In order to improve the physicochemical and biological properties of gellan gum, some researchers take advantage of numerous hydroxyl groups and the free carboxyl present in each repeating unit. As a result, design and development of gellan-based materials have advanced significantly. The goal of this review is to provide a summary of the most recent, high-quality research trends that have used gellan gum as a polymeric component in the design of numerous cutting-edge materials with applications in various fields.
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Wang Y, Wang C. Novel Eye Drop Delivery Systems: Advance on Formulation Design Strategies Targeting Anterior and Posterior Segments of the Eye. Pharmaceutics 2022; 14:pharmaceutics14061150. [PMID: 35745723 PMCID: PMC9229693 DOI: 10.3390/pharmaceutics14061150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/18/2022] [Accepted: 05/25/2022] [Indexed: 11/30/2022] Open
Abstract
Eye drops are the most common and convenient route of topical administration and the first choice of treatment for many ocular diseases. However, the ocular bioavailability of traditional eye drops (i.e., solutions, suspensions, and ointments) is very low because of ophthalmic physiology and barriers, which greatly limits their therapeutic effect. Over the past few decades, many novel eye drop delivery systems, such as prodrugs, cyclodextrins, in situ gels, and nanoparticles, have been developed to improve ophthalmic bioavailability. These novel eye drop delivery systems have good biocompatibility, adhesion, and propermeation properties and have shown superior performance and efficacy over traditional eye drops. Therefore, the purpose of this review was to systematically present the research progress on novel eye drop delivery systems and provide a reference for the development of dosage form, clinical application, and commercial transformation of eye drops.
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Chaudhari P, Shetty D, Lewis SA. Recent progress in colloidal nanocarriers loaded in situ gel in ocular therapeutics. J Drug Deliv Sci Technol 2022; 71:103327. [DOI: 10.1016/j.jddst.2022.103327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Wang TZ, Guan B, Liu XX, Ke LN, Wang JJ, Nan KH. A topical fluorometholone nanoformulation fabricated under aqueous condition for the treatment of dry eye. Colloids Surf B Biointerfaces 2022; 212:112351. [PMID: 35091382 DOI: 10.1016/j.colsurfb.2022.112351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 12/11/2021] [Accepted: 01/18/2022] [Indexed: 11/25/2022]
Abstract
Fluorometholone (FMT) is a frequently prescribed drug for the alleviation of dry eye. However, due to low aqueous solubility, it has been routinely used as an ophthalmic suspension, which is characterized by low bioavailability, inconvenience of administration, and difficulty in delivering accurate dose. Furthermore, the opaque appearance of the ophthalmic suspension is not desirable for optical purpose. In the present study, a transparent FMT nanoformulation (FMT-CD NPs) was fabricated by the cyclodextrin (CD) nanoparticle technology without organic solvents. It was demonstrated that FMT was encapsulated in an amorphous form, which was associated with increased release rate and enhanced corneal penetration efficiency. The biocompatibility of FMT-CD NPs was confirmed by the Live/Dead assay, CCK-8 assay and the wound healing assay. Most importantly, FMT-CD NPs alleviated dry eye signs more efficiently than the commercial eye drop, with one-fifth the dosage of FMT in the latter. Collectively, our study provides a promising FMT formulation for improved management of dry eye while reducing drug related side effects.
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Affiliation(s)
- Tian-Zuo Wang
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou 325027, China; National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China; National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China
| | - Bin Guan
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou 325027, China; National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China; National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China
| | - Xin-Xin Liu
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou 325027, China; National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China; National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China
| | - Lin-Nan Ke
- National Institutes for Food and Drug Control, Beijing 102629, China
| | - Jing-Jie Wang
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou 325027, China; National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China; National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China.
| | - Kai-Hui Nan
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology & Optometry, Wenzhou Medical University, Wenzhou 325027, China; National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China; National Clinical Research Center for Ocular Diseases, Wenzhou 325027, China.
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Chaudhari P, Naik R, Sruthi Mallela L, Roy S, Birangal S, Ghate V, Balladka Kunhanna S, Lewis SA. A supramolecular thermosensitive gel of ketoconazole for ocular applications: In silico, in vitro, and ex vivo studies. Int J Pharm 2021; 613:121409. [PMID: 34952148 DOI: 10.1016/j.ijpharm.2021.121409] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/04/2021] [Accepted: 12/17/2021] [Indexed: 12/11/2022]
Abstract
The incidence of corneal fungal infections continues to be a growing concern worldwide. Ocular delivery of anti-fungal drugs is challenging due to the anatomical and physiological barriers of the eye. The ocular bioavailability of ketoconazole (KTZ), a widely prescribed antifungal agent, is hampered by its limited aqueous solubility and permeation. In the study, the physicochemical properties of KTZ were improved by complexation with sulfobutylether-β-cyclodextrin (SBE-β-CD).KTZ-SBE-β-CD complex was studied in silico with docking and dynamics simulations, followed by wet-lab experiments.The optimized KTZ-SBE-β-CD complex was loaded into a thermosensitivein situ gel to increase corneal bioavailability. The supramolecular complex increased the solubility of KTZ by 5-folds and exhibited a 10-fold increment in drug release compared to the pure KTZ. Owing to the diffusion, thein situ gel exhibited a more sustained drug release profile. Theex vivocorneal permeation studies showed higher permeation from KTZ-SBE-β-CD in situ gel (flux of ∼19.11 µg/cm2/h) than KTZin situ gel (flux of ∼1.17 µg/cm2/h). The cytotoxicity assays and the hen's egg chorioallantoic membrane assay (HET-CAM) confirmed the formulations' safety and non-irritancy. In silico guided design of KTZ-SBE-β-CD inclusion complexes successfully modified the physicochemical properties of KTZ. In addition, the loading of the KTZ-SBE-β-CD complex into an in situ gel significantly increased the precorneal retention and permeation of KTZ, indicating that the developed formulation is a viable modality to treat fungal keratitis.
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Affiliation(s)
- Pinal Chaudhari
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Ranjitha Naik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Lakshmi Sruthi Mallela
- Prof. Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad 500034, India
| | - Sanhita Roy
- Prof. Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad 500034, India
| | - Sumit Birangal
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Vivek Ghate
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India
| | - Sarojini Balladka Kunhanna
- Department of Industrial Chemistry, Mangalore University, Mangalagangothri, Mangalore 574199, Karnataka, India
| | - Shaila A Lewis
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
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Shen L, Fang G, Tang B, Zhu Q. Enhanced topical corticosteroids delivery to the eye: A trade-off in strategy choice. J Control Release 2021; 339:91-113. [PMID: 34560157 DOI: 10.1016/j.jconrel.2021.09.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/16/2021] [Accepted: 09/18/2021] [Indexed: 12/19/2022]
Abstract
Topical corticosteroids are the primary treatment of ocular inflammation caused by surgery, injury, or other conditions. Drug pre-corneal residence time, drug water solubility, and drug corneal permeability coefficient are the major factors that determine the ocular drug bioavailability after topical administration. Although growing research successfully enhanced local delivery of corticosteroids utilizing various strategies, rational and dynamic approaches to strategy selection are still lacking. Within this review, an overview of the various strategies as well as their performance in retention, solubility, and permeability coefficient of corticosteroids are provided. On this basis, the tradeoff of strategy selection is discussed, which may shed light on the rational choice and application of ophthalmic delivery enhancement strategies.
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