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Tang H, Li X, Li C, Shen W, Jin L, Zhou Y, Jiao W, Zhang L, Cheng F. Sequential delivery of anti-inflammatory and anti-scar drugs by Rg3 liposome-embedded thiolated chitosan hydrogel eye drops for corneal alkali burn. Carbohydr Polym 2025; 361:123626. [PMID: 40368553 DOI: 10.1016/j.carbpol.2025.123626] [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: 12/16/2024] [Revised: 04/14/2025] [Accepted: 04/19/2025] [Indexed: 05/16/2025]
Abstract
Corneal injury is a major cause of inflammation, scarring, and even vision loss. The main treatment for corneal injury is local administration of eye drops. However, due to the limitation of the protective barrier of the eyes, conventional eye drops have the disadvantages of low bioavailability, high side effects, and limited efficacy. In this study, the anti-inflammatory agent dipotassium glycyrrhizate (DG) and the antifibrotic agent ginsenoside Rg3 were incorporated into a thermosensitive hydrogel in order to develop a multifunctional hybrid hydrogel eye drops (RDTG) for the synergistic treatment of corneal alkali burn. The hydrogel network was formed by thiolated chitosan and β-glycerophosphate through both physical and chemical crosslinking. DG was distributed in free state in the hydrogel, while Rg3 was incorporated into the hydrogel in the form of liposomes. Furthermore, RDTG showed the characteristic of sequential drug-release. In vivo studies using a mouse model of corneal alkali burn have confirmed that RDTG could effectively reduce inflammation, promote corneal wound healing, and inhibit corneal scar. Therefore, the efficient delivery of RDTG eye drops provided a promising approach for the treatment of corneal alkali burn.
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Affiliation(s)
- Huan Tang
- Institute of Oncology, Cancer Hospital of Dalian University of Technology, Shenyang, Liaoning 110042, China; Faculty of Medicine, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Xinnan Li
- Faculty of Medicine, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Chunmei Li
- Tsinghua International School Daoxiang Lake, Beijing 100194, China
| | - Wenhao Shen
- Department of Ophthalmology, The Third People's Hospital of Dalian, Dalian, Liaoning 116091, China
| | - Lin Jin
- Department of Ophthalmology, The Third People's Hospital of Dalian, Dalian, Liaoning 116091, China
| | - Yumeng Zhou
- Instrumental Analysis Center, Dalian University of Technology, Dalian 116024, China
| | - Wenna Jiao
- Instrumental Analysis Center, Dalian University of Technology, Dalian 116024, China
| | - Lijun Zhang
- Faculty of Medicine, Dalian University of Technology, Dalian, Liaoning 116024, China; Department of Ophthalmology, The Third People's Hospital of Dalian, Dalian, Liaoning 116091, China.
| | - Fang Cheng
- Department of Pharmaceutical Sciences, State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China.
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2
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Ning Q, Sun X, Cui H, Wang X, Feng H, An B, Li Z, Shi J, Li J. Dual-corn-derived nanofiber membrane for subconjunctival injury: Sequential release of dual-natural products for programmed anti-inflammation and anti-fibrosis. J Control Release 2025; 381:113577. [PMID: 40015340 DOI: 10.1016/j.jconrel.2025.02.073] [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: 12/13/2024] [Revised: 01/24/2025] [Accepted: 02/24/2025] [Indexed: 03/01/2025]
Abstract
Subconjunctival injuries represent significant clinical challenges due to the complexities of post-injury inflammation and subsequent fibrosis, which lead to vision impairment; however, currently, no clinical interventions are available to resolve this problem. In this work, a novel dual drug-loaded core-shell nanofiber membrane based on two corn derivatives was fabricated via coaxial electrospinning to address this unmet clinical need. The nanofiber structure, comprising a polylactic acid shell and a zein core, sequentially released two natural products, rutin and celastrol. The rutin loaded in the polylactic acid shell was rapidly released to produce anti-inflammatory effects, whereas the celastrol loaded in the zein core was slowly released in the later stage to inhibit subconjunctival fibrosis. The in vitro results indicated that this nanofiber membrane platform significantly decreased the secretion of key proinflammatory cytokines and fibrosis biomarkers and reduced the risk of early bacterial invasion. Moreover, the in vivo results revealed that this platform not only ameliorated inflammation but also inhibited late-stage fibrosis, suggesting a promising therapeutic strategy. This study provides an effective exploration of a controlled and safe drug delivery platform, serving as a reference for effective interventions in other related diseases.
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Affiliation(s)
- Qingyun Ning
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China; School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xue Sun
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Haohao Cui
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China; School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xing Wang
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China; School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Huayang Feng
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China
| | - Boyuan An
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China; School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Zhanrong Li
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China.
| | - Jun Shi
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
| | - Jingguo Li
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China; School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China.
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Xu B, Huang Y, Yu D, Chen Y. Advancements of ROS-based biomaterials for sensorineural hearing loss therapy. Biomaterials 2025; 316:123026. [PMID: 39705924 DOI: 10.1016/j.biomaterials.2024.123026] [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: 09/17/2024] [Revised: 11/28/2024] [Accepted: 12/13/2024] [Indexed: 12/23/2024]
Abstract
Sensorineural hearing loss (SNHL) represents a substantial global health challenge, primarily driven by oxidative stress-induced damage within the auditory system. Excessive reactive oxygen species (ROS) play a pivotal role in this pathological process, leading to cellular damage and apoptosis of cochlear hair cells, culminating in irreversible hearing impairment. Recent advancements have introduced ROS-scavenging biomaterials as innovative, multifunctional platforms capable of mitigating oxidative stress. This comprehensive review systematically explores the mechanisms of ROS-mediated oxidative stress in SNHL, emphasizing etiological factors such as aging, acoustic trauma, and ototoxic medication exposure. Furthermore, it examines the therapeutic potential of ROS-scavenging biomaterials, positioning them as promising nanomedicines for targeted antioxidant intervention. By critically assessing recent advances in biomaterial design and functionality, this review thoroughly evaluates their translational potential for clinical applications. It also addresses the challenges and limitations of ROS-neutralizing strategies, while highlighting the transformative potential of these biomaterials in developing novel SNHL treatment modalities. This review advocates for continued research and development to integrate ROS-scavenging biomaterials into future clinical practice, aiming to address the unmet needs in SNHL management and potentially revolutionize the treatment landscape for this pervasive health issue.
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Affiliation(s)
- Baoying Xu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Yuqi Huang
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China
| | - Dehong Yu
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China.
| | - Yu Chen
- Materdicine Lab, School of Life Sciences, Shanghai University, Shanghai, 200444, China; Shanghai Institute of Materdicine, Shanghai, 200012, China.
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Abbasi M, Aghamollaei H, Vaez A, Amani AM, Kamyab H, Chelliapan S, Jamalpour S, Zambrano-Dávila R. Bringing ophthalmology into the scientific world: Novel nanoparticle-based strategies for ocular drug delivery. Ocul Surf 2025; 37:140-172. [PMID: 40147816 DOI: 10.1016/j.jtos.2025.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2025] [Revised: 03/03/2025] [Accepted: 03/21/2025] [Indexed: 03/29/2025]
Abstract
The distinctive benefits and drawbacks of various drug delivery strategies to supply corneal tissue improvement for sense organs have been the attention of studies worldwide in recent decades. Static and dynamic barriers of ocular tissue prevent foreign chemicals from entering and inhibit the active absorption of therapeutic medicines. The distribution of different medications to ocular tissue is one of the most appealing and demanding tasks for investigators in pharmacology, biomaterials, and ophthalmology, and it is critical for cornea wound healing due to the controlled release rate and increased drug bioavailability. It should be mentioned that the transport of various types of medications into the different sections of the eye, particularly the cornea, is exceedingly challenging because of its distinctive structure and various barriers throughout the eye. Nanoparticles are being studied to improve medicine delivery strategies for ocular disease. Repetitive corneal drug delivery using biodegradable nanocarriers allows a medicine to remain in different parts of the cornea for extended periods of time and thus improve administration route effectiveness. In this review, we discussed eye anatomy, ocular delivery barriers, as well as the emphasis on the biodegradable nanomaterials ranging from organic nanostructures, such as nanomicelles, polymers, liposomes, niosomes, nanowafers, nanoemulsions, nanosuspensions, nanocrystals, cubosomes, olaminosomes, hybridized NPs, dendrimers, bilosomes, solid lipid NPs, nanostructured lipid carriers, and nanofiber to organic nanomaterials like silver, gold, and mesoporous silica nanoparticles. In addition, we describe the nanotechnology-based ophthalmic medications that are presently on the market or in clinical studies. Finally, drawing on current trends and therapeutic approaches, we discuss the challenges that innovative optical drug delivery systems confront and propose future research routes. We hope that this review will serve as a source of motivation and inspiration for developing innovative ophthalmic formulations.
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Affiliation(s)
- Milad Abbasi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hossein Aghamollaei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Ahmad Vaez
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Mohammad Amani
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hesam Kamyab
- Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, 600077, India; The KU-KIST Graduate School of Energy and Environment, Korea University, 145 Anam-Ro, Seongbuk-Gu, Seoul, 02841, Republic of Korea; Universidad UTE, Quito, 170527, Ecuador.
| | - Shreeshivadasan Chelliapan
- Department of Smart Engineering and Advanced Technology, Faculty of Artificial Intelligence, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia.
| | - Sajad Jamalpour
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, 50603, Malaysia
| | - Renato Zambrano-Dávila
- Universidad UTE, Centro de Investigación en Salud Públicay Epidemiología Clínica (CISPEC), Quito, 170527, Ecuador
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Luo X, Zhao S, Wang T, He X, Yang M, Tao J, Zhu S, Zhao H. "Bioactive" Therapeutic Contact Lens Triggered by Biomimetic Chiral Helical Nanoarchitectonics for Rapid Corneal Repair. ACS NANO 2025; 19:9250-9264. [PMID: 39999297 DOI: 10.1021/acsnano.5c00298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2025]
Abstract
Consistent corneal epithelial injury would cause chronic inflammation, neovascularization, and even corneal scarring, resulting in vision loss. Rapid repair is crucial for treatment, within which the use of therapeutic contact lenses presents great promise. A great challenge is how to achieve rapid repair of severely deficient corneal epithelium and regulation of the oxidative stress environment simultaneously. Herein, a "bioactive" therapeutic contact lens, mimicking the layered helical structure of the native cornea, is designed based on the assembly of cellulose nanocrystals (CNCs) inside poly(hydroxyethyl methacrylate) (PHEMA) with CeOx formed on the CNCs' surface (CeOx/CNC@CNC-PHEMA). The obtained CeOx/CNC@CNC-PHEMA hydrogel possesses a chiral helical structure that regulates the microenvironment, and the nanoscaled CeOx on the CNCs' surface (CeOx/CNC) acts as a reactive oxygen species (ROS) scavenger and triggers a "bioactive" therapeutic contact lens for rapid corneal repair. This hydrogel meets the conditions of a therapeutic contact lens, including high degree of transparency, excellent mechanical properties, great ROS-scavenging efficacy, and a significant enhancement of biocompatibility. Importantly, the adhesion and proliferation of human corneal epithelial cells on the CeOx/CNC@CNC-PHEMA hydrogels are successful. An in vitro corneal oxidative damage model and in vivo animal model of corneal injury experiments were conducted, and results revealed that the hydrogel realized rapid corneal epithelial cells migration with antioxidant, anti-inflammatory, and antineovascular effects, achieving modulation of the ocular surface microenvironment, evidencing a "bioactive" property of the hydrogel as a therapeutic contact lens. This biotopological hydrogel with a biomimetic corneal architecture has provided a rational strategy for rapid corneal repair.
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Affiliation(s)
- Xiaoying Luo
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Songjiao Zhao
- Department of Ophthalmology, National Clinical Research Center for Eye Diseases, Shanghai Key Clinical Specialty, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Tao Wang
- Department of Ophthalmology, National Clinical Research Center for Eye Diseases, Shanghai Key Clinical Specialty, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Xin He
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Mingxuan Yang
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jie Tao
- Department of Ophthalmology, National Clinical Research Center for Eye Diseases, Shanghai Key Clinical Specialty, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Shenmin Zhu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hui Zhao
- Department of Ophthalmology, National Clinical Research Center for Eye Diseases, Shanghai Key Clinical Specialty, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
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6
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Wang C, Liu X, Lv W, Kuang X, Wu F, Fan X, Pang Y. Long-lasting comfort ocular surface drug delivery by in situ formation of an adhesive lubricative Janus nanocoating. SCIENCE ADVANCES 2025; 11:eads0282. [PMID: 40053587 PMCID: PMC11887845 DOI: 10.1126/sciadv.ads0282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Accepted: 02/03/2025] [Indexed: 03/09/2025]
Abstract
Topical drug delivery on ocular surface always suffers from frequent administration and low bioavailability due to short drug residence. Despite advances of different adhesive ophthalmic drugs in extending release, cornea and eyelid nonselective adhesion inevitably causes ocular discomfort and even damage. Here, we describe in situ formation of an adhesive lubricative Janus nanocoating (ALJN) to enable long-lasting comfort drug delivery. By iron complexation, an asymmetric ALJN is formed on ocular surface via facile sequential instillation. The adhesive polyphenol inner layer binding with ocular surface enables drug loading and sustained release, while the lubricative zwitterionic polymer outer layer prevents eyelid adhesion to ensure comfort. Following instillation, ALJN retains on ocular surface over 24 hours and reduces blinking frequency to normal level. Moreover, ALJN demonstrates remarkable therapeutic potential in mouse and rabbit models of corneal contusion and alkali burn. This work proposes a comfortable long-lasting topical delivery platform for treating various ocular diseases.
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Affiliation(s)
- Chuhan Wang
- Department of Ophthalmology, Shanghai Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Center for Basic Medical Research and Innovation in Visual System Diseases, Ministry of Education, Shanghai 200011, China
| | - Xiaobing Liu
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
- Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Wenyan Lv
- College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
- Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Xiao Kuang
- Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Feng Wu
- Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Xianqun Fan
- Department of Ophthalmology, Shanghai Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Center for Basic Medical Research and Innovation in Visual System Diseases, Ministry of Education, Shanghai 200011, China
| | - Yan Pang
- Department of Ophthalmology, Shanghai Ninth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200011, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Center for Basic Medical Research and Innovation in Visual System Diseases, Ministry of Education, Shanghai 200011, China
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmaceutical Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
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Jiang D, Yu J, Wu X, Yu X, Jin P, Zheng H, Liu H, Xu W, Lian Q, Chen W. Isolated Mitochondrial Transplantation as a Novel Treatment for Corneal Chemical Burns. Invest Ophthalmol Vis Sci 2025; 66:14. [PMID: 40048188 PMCID: PMC11895849 DOI: 10.1167/iovs.66.3.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2024] [Accepted: 01/23/2025] [Indexed: 03/14/2025] Open
Abstract
Purpose This study aimed to investigate the therapeutic potential of isolated mitochondrial transplantation for the restoration of corneal surface injury in mice after corneal chemical burn. Methods Mitochondria were isolated from mesenchymal stem cells via ultracentrifugation, followed by an assessment of their purity and viability. The internalization of mitochondria by human corneal epithelial cells was tracked using a live fluorescence imaging system. Apoptosis-related markers and mitochondrial function were measured by Western blotting and flow cytometry, respectively. Mitochondrial morphology was examined using confocal laser scanning microscopy. The therapeutic effects of subconjunctival administration of isolated mitochondria in vivo were evaluated by fluorescein sodium staining and histopathological examination of the corneas. Results Our study demonstrates that corneal epithelial cells possess the capacity to internalize isolated exogenous mitochondria in vitro. Under oxidative stress conditions, recipient cells exhibited an enhanced uptake of exogenous mitochondria. We observed a decrease in apoptosis and a reduction in oxidative stress levels within the recipient cells, as well as a partial restoration of mitochondrial function. Notably, after a single subconjunctival injection, corneal epithelial cells were able to use isolated mitochondria to enhance the repair process in a mouse model of corneal acid burn. Conclusions Subconjunctival injection of isolated mitochondria promoted the repair of acute corneal burns in mice. The results of our investigation using injection of isolated mitochondria as a treatment modality for corneal chemical burn offers a novel approach to the treatment of ocular disorders associated with mitochondrial dysfunction.
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Affiliation(s)
- Dan Jiang
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Jinjie Yu
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xiaoqing Wu
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xintong Yu
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Pinyan Jin
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Huikang Zheng
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Huiru Liu
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Wei Xu
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
| | - Qizhou Lian
- Faculty of Synthetic Biology, Shenzhen University of Advanced Technology, Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
- Center for Translational Stem Cell Biology, Hong Kong, China; HKUMed Laboratory of Cellular Therapeutics, University of Hong Kong, Hong Kong, China
- Department of Surgery, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
- Cord Blood Bank Centre, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Wei Chen
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou, China
- State Key Laboratory of Ophthalmology, Optometry and Visual Science, Eye Hospital, Wenzhou Medical University, Wenzhou, China
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8
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Pan XY, Wang ZH, Wu XQ, Guo CR, Yang LX, Liu HR, Wang YH, Chen WJ, Wang JJ, Nan KH, Li LL. ROS scavenging and corneal epithelial wound healing by a self-crosslinked tissue-adhesive hydrogel based-on dual-functionalized hyaluronic acid. Int J Biol Macromol 2025; 293:139200. [PMID: 39730051 DOI: 10.1016/j.ijbiomac.2024.139200] [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: 09/25/2024] [Revised: 12/15/2024] [Accepted: 12/23/2024] [Indexed: 12/29/2024]
Abstract
Reactive oxygen species (ROS) scavenging is a viable approach to promote corneal epithelium wound healing. This study created a single-component hydrogel (HA Gel) with a novel dual-functionalized hyaluronic acid derivative (HA-GA-PBA) containing gallol and phenylboronic acid (PBA) moieties. Both of these moieties were dual-functional. Specifically, they not only functioned as structural building blocks for hydrogel formation, but also served as bioactive ingredients for therapeutic purpose. Dynamic covalent complexation between gallol and PBA moieties led to the self-crosslinked HA Gel, which was antioxidative and tissue-adhesive. It was demonstrated that the hydrogel enhanced the proliferation rate of human corneal epithelial cells by over 2.5 folds. When treating the mouse corneal alkali burn model with HA Gel, the corneal epithelial healing percentages reached 69.19 ± 9.41 % and 84.12 ± 6.09 % on day 3 and 5, respectively, which were significantly higher than the placebo group (51.14 ± 9.63 % and 67.32 ± 10.54 % on day 3 and 5, respectively). Meanwhile, reduced scar formation and inflammation was observed. These findings indicated HA Gel could find applications in various of ocular diseases for improved corneal epithelial wound healing.
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Affiliation(s)
- Xin-Yang Pan
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Zi-Han Wang
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Xiao-Qing Wu
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Chang-Rong Guo
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Lin-Xing Yang
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Hui-Ru Liu
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Yuan-Hao Wang
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Wen-Juan Chen
- Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin 300041, China
| | - Jing-Jie Wang
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; State Key Laboratory of Ophthalmology, Optometry and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
| | - Kai-Hui Nan
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; State Key Laboratory of Ophthalmology, Optometry and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
| | - Ling-Li Li
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; State Key Laboratory of Ophthalmology, Optometry and Vision Science, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
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9
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Lin H, Guo B, Li Z, Wang C, Wu W, Lu Z, Wang L, Wu J, Li J, Hao J, Feng Y. Human embryonic stem cell-derived immunity-and-matrix-regulatory cells on collagen scaffold effectively treat rat corneal alkali burn. Exp Eye Res 2025; 251:110164. [PMID: 39571781 DOI: 10.1016/j.exer.2024.110164] [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: 08/03/2024] [Revised: 11/07/2024] [Accepted: 11/18/2024] [Indexed: 12/06/2024]
Abstract
Corneal alkali burns (CAB) are a severe form of ocular injury that often leads to significant vision loss, with limited effective treatment options available beyond corneal transplantation. Immunity and matrix-regulatory cells (IMRCs) have emerged as a promising alternative due to their ability to modulate immune responses and support tissue repair. This study investigates the efficacy of IMRCs on collagen scaffolds (IMRCs-col) for treating CAB in a rat model. We developed a novel treatment combining IMRCs with a collagen scaffold to align with the ocular surface structure. In vitro analyses showed that IMRCs-col significantly upregulated the expression of immune regulatory molecules, including IL-1RA and SCF. Additionally, IMRCs-col effectively inhibited the production of pro-inflammatory cytokines (IL-8 and Gro-a/CXCL1) while promoting pro-regenerative cytokines (bFGF, HGF, and PDGF). In an animal model of CAB, IMRCs-col transplantation demonstrated substantial efficacy in restoring corneal opacity and reducing neovascularization. Histological examination revealed reduced inflammation and improved corneal tissue regeneration compared to untreated CAB. Enhanced activation of pathways associated with anti-inflammatory responses and tissue repair was observed at days 3, 7, and 21 post-treatment.
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Affiliation(s)
- Haimiao Lin
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Baojie Guo
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhongwen Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Chenxin Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Wenyu Wu
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Zhaoxiang Lu
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Liu Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China; University of Chinese Academy of Sciences, Beijing, China
| | - Jun Wu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China
| | - Jinming Li
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Jie Hao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; National Stem Cell Resource Center, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
| | - Yun Feng
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China.
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10
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Qi Q, Su D, Zhuang S, Yao S, Heindl LM, Fan X, Lin M, Li J, Pang Y. Progress in Nanotechnology for Treating Ocular Surface Chemical Injuries: Reflecting on Advances in Ophthalmology. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2025; 12:e2407340. [PMID: 39755928 PMCID: PMC11809354 DOI: 10.1002/advs.202407340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 11/26/2024] [Indexed: 01/06/2025]
Abstract
Ocular surface chemical injuries often result in permanent visual impairment and necessitate complex, long-term treatments. Immediate and extensive irrigation serves as the first-line intervention, followed by various therapeutic protocols applied throughout different stages of the condition. To optimize outcomes, conventional regimens increasingly incorporate biological agents and surgical techniques. In recent years, nanotechnology has made significant strides, revolutionizing the management of ocular surface chemical injuries by enabling sustained drug release, enhancing treatment efficacy, and minimizing side effects. This review provides a comprehensive analysis of the etiology, epidemiology, classification, and conventional therapies for ocular chemical burns, with a special focus on nanotechnology-based drug delivery systems in managing ocular surface chemical injuries. Twelve categories of nanocarrier platforms are examined, including liposomes, nanoemulsions, nanomicelles, nanowafers, nanostructured lipid carriers, nanoparticles, hydrogels, dendrimers, nanocomplexes, nanofibers, nanozymes, and nanocomposite materials, highlighting their advantages in targeted delivery, biocompatibility, and improved healing efficacy. Additionally, current challenges and limitations in the field are discussed and the future potential of nanotechnology in treating ocular diseases is explored. This review presents the most extensive examination of this topic to date, aiming to link recent advancements with broader therapeutic strategies.
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Affiliation(s)
- Qiaoran Qi
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Dai Su
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Shuqin Zhuang
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Sunyuan Yao
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Ludwig M. Heindl
- Department of OphthalmologyFaculty of Medicine and University Hospital CologneUniversity of Cologne50937CologneGermany
- Center for Integrated Oncology (CIO)Aachen‐Bonn‐Cologne‐DuesseldorfCologneGermany
| | - Xianqun Fan
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Ming Lin
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Jin Li
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
| | - Yan Pang
- Department of OphthalmologyNinth People's HospitalShanghai Jiao Tong University School of MedicineShanghai200011China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyCenter for Basic Medical Research and Innovation in Visual System DiseasesMinistry of EducationShanghai200011China
- Shanghai Frontiers Science Center of Drug Target Identification and DeliverySchool of Pharmaceutical SciencesShanghai Jiao Tong UniversityShanghai200240China
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11
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Li T, Zhang X, Ma L, Qi X, Wang H, Zhou Q, Sun X, Wang F, Zhao L, Shi W. 3D printing of stiff, tough, and ROS-scavenging nanocomposite hydrogel scaffold for in situ corneal repair. Acta Biomater 2025; 192:189-205. [PMID: 39643222 DOI: 10.1016/j.actbio.2024.12.005] [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: 07/31/2024] [Revised: 11/19/2024] [Accepted: 12/02/2024] [Indexed: 12/09/2024]
Abstract
Despite significant advancements in hydrogels in recent years, their application in corneal repair remains limited by several challenges, including unfitted curvatures, inferior mechanical properties, and insufficient reactive oxygen species (ROS)-scavenging activities. To address these issues, this study introduces a 3D-printed corneal scaffold with nanocomposite hydrogel consisting of gelatin methacrylate (GelMA), poly (ethylene glycol) diacrylate (PEGDA), Laponite, and dopamine. GelMA and PEGDA act as matrix materials with photo-crosslinking abilities. As a two-dimensional nanoclay, Laponite enhances the rheological properties of the hydrogel, making it suitable for 3D printing. Dopamine self-polymerizes into polydopamine (PDA), providing the hydrogel with ROS-scavenging activity. The incorporation of Laponite and the synergistic effect of PDA endow the hydrogel with good mechanical properties. In vitro investigations demonstrated the cytocompatibility of GelMA-PEGDA-Laponite-dopamine (GPLD) hydrogel and its ROS-scavenging activity. Furthermore, in vivo experiments using a rabbit model of lamellar keratoplasty showed accelerated corneal re-epithelialization and complete stromal repair after the implantation of the 3D-printed scaffold. Overall, due to its high bioactivity and simple preparation, the 3D-printed scaffold using GPLD hydrogel offers an alternative for corneal repair with potential for clinical translation. STATEMENT OF SIGNIFICANCE: The clinical application of hydrogel corneal scaffolds has been constrained by their inadequate mechanical properties and the complex microenvironment created by elevated levels of ROS post-transplantation. In this study, we developed a kind of nanocomposite hydrogel by integrating Laponite and dopamine into GelMA and PEGDA. This advanced hydrogel was utilized to 3D print a corneal scaffold with high mechanical strength and ROS-scavenging abilities. When applied to a rabbit model of lamellar keratoplasty, the 3D-printed scaffold enabled complete re-epithelialization of the cornea within one week. Three months after surgery, the corneal stroma was fully repaired, and regeneration of corneal nerve fibers was also observed. This 3D-printed scaffold demonstrated exceptional efficacy in repairing corneal defects with potential for clinical translation.
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Affiliation(s)
- Tan Li
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Xiaoyu Zhang
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China; Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan 250021, China
| | - Li Ma
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Xia Qi
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Hongwei Wang
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Qingjun Zhou
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Xiuli Sun
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Fuyan Wang
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Long Zhao
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China
| | - Weiyun Shi
- State Key Laboratory Cultivation Base, Shandong Key Laboratory of Eye Diseases, Eye Institute of Shandong First Medical University, Qingdao 266071, China; Eye Hospital of Shandong First Medical University (Shandong Eye Hospital), Jinan 250021, China.
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12
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Li S, Sun H, Chen L, Fu Y. Targeting limbal epithelial stem cells: master conductors of corneal epithelial regeneration from the bench to multilevel theranostics. J Transl Med 2024; 22:794. [PMID: 39198892 PMCID: PMC11350997 DOI: 10.1186/s12967-024-05603-y] [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: 01/25/2024] [Accepted: 08/10/2024] [Indexed: 09/01/2024] Open
Abstract
The cornea is the outermost layer of the eye and plays an essential role in our visual system. Limbal epithelial stem cells (LESCs), which are localized to a highly regulated limbal niche, are the master conductors of corneal epithelial regeneration. Damage to LESCs and their niche may result in limbal stem cell deficiency (LSCD), a disease confused ophthalmologists so many years and can lead to corneal conjunctivalization, neovascularization, and even blindness. How to restore the LESCs function is the hot topic for ocular scientists and clinicians around the world. This review introduced LESCs and the niche microenvironment, outlined various techniques for isolating and culturing LESCs used in LSCD research, presented common diseases that cause LSCD, and provided a comprehensive overview of both the diagnosis and multiple treatments for LSCD from basic research to clinical therapies, especially the emerging cell therapies based on various stem cell sources. In addition, we also innovatively concluded the latest strategies in recent years, including exogenous drugs, tissue engineering, nanotechnology, exosome and gene therapy, as well as the ongoing clinical trials for treating LSCD in recent five years. Finally, we highlighted challenges from bench to bedside in LSCD and discussed cutting-edge areas in LSCD therapeutic research. We hope that this review could pave the way for future research and translation on treating LSCD, a crucial step in the field of ocular health.
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Affiliation(s)
- Shiding Li
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Rd, Shanghai, 200011, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Hao Sun
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Rd, Shanghai, 200011, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, 639 Zhizaoju Rd, Shanghai, 200011, China
| | - Liangbo Chen
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Rd, Shanghai, 200011, China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, 639 Zhizaoju Rd, Shanghai, 200011, China.
| | - Yao Fu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Rd, Shanghai, 200011, China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, 639 Zhizaoju Rd, Shanghai, 200011, China.
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13
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Ren Y, Wang W, Yu C, Wang Y, Qiu Y, Yue Z, Yu Q, Lu J, Che P, Li J, Sun H. An injectable exosome-loaded hyaluronic acid-polylysine hydrogel for cardiac repair via modulating oxidative stress and the inflammatory microenvironment. Int J Biol Macromol 2024; 275:133622. [PMID: 38969034 DOI: 10.1016/j.ijbiomac.2024.133622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/13/2024] [Accepted: 07/01/2024] [Indexed: 07/07/2024]
Abstract
Myocardial infarction (MI) is a serious cardiovascular disease with complex complications and high lethality. Currently, exosome (Exo) therapy has emerged as a promising treatment of ischemic MI due to its antioxidant, anti-inflammatory, and vascular abilities. However, traditional Exo delivery lacks spatiotemporal precision and targeting of microenvironment modulation, making it difficult to localize the lesion site for sustained effects. In this study, an injectable oxidized hyaluronic acid-polylysine (OHA-PL) hydrogel was developed to conveniently load adipose-derived mesenchymal stem cell exosomes (ADSC-Exos) and improve their retention under physiological conditions. The OHA-PL@Exo hydrogel with high spatiotemporal precision is transplanted minimally invasively into the ischemic myocardium to scavenge intracellular and extracellular reactive oxygen species, regulate macrophage polarization, and attenuate inflammation in the early phase of MI. In addition, this synergistic microenvironment modulation can effectively reduce myocardial fibrosis and ventricular remodeling, promote angiogenesis, and restore electrophysiological function in the late stage of MI. Therefore, this hyaluronic acid-polylysine to deliver exosomes has become a promising therapeutic strategy for myocardial repair.
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Affiliation(s)
- Yuchen Ren
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China
| | - Weitong Wang
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China
| | - Chaojie Yu
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Yue Wang
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China
| | - Yuwei Qiu
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Zhiwei Yue
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China
| | - Qingyu Yu
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Jiajun Lu
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China
| | - Pengcheng Che
- School of Nursing and Rehabilitation, North China University of Science and Technology, Tangshan 063210, China.
| | - Junjie Li
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.
| | - Hong Sun
- Department of Basic Medical Sciences, North China University of Science and Technology, Tangshan 063210, China.
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14
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Zhou Y, Xu M, Shen W, Xu Y, Shao A, Xu P, Yao K, Han H, Ye J. Recent Advances in Nanomedicine for Ocular Fundus Neovascularization Disease Management. Adv Healthc Mater 2024; 13:e2304626. [PMID: 38406994 PMCID: PMC11468720 DOI: 10.1002/adhm.202304626] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/22/2024] [Indexed: 02/27/2024]
Abstract
As an indispensable part of the human sensory system, visual acuity may be impaired and even develop into irreversible blindness due to various ocular pathologies. Among ocular diseases, fundus neovascularization diseases (FNDs) are prominent etiologies of visual impairment worldwide. Intravitreal injection of anti-vascular endothelial growth factor drugs remains the primary therapy but is hurdled by common complications and incomplete potency. To renovate the current therapeutic modalities, nanomedicine emerged as the times required, which is endowed with advanced capabilities, able to fulfill the effective ocular fundus drug delivery and achieve precise drug release control, thus further improving the therapeutic effect. This review provides a comprehensive summary of advances in nanomedicine for FND management from state-of-the-art studies. First, the current therapeutic modalities for FNDs are thoroughly introduced, focusing on the key challenges of ocular fundus drug delivery. Second, nanocarriers are comprehensively reviewed for ocular posterior drug delivery based on the nanostructures: polymer-based nanocarriers, lipid-based nanocarriers, and inorganic nanoparticles. Thirdly, the characteristics of the fundus microenvironment, their pathological changes during FNDs, and corresponding strategies for constructing smart nanocarriers are elaborated. Furthermore, the challenges and prospects of nanomedicine for FND management are thoroughly discussed.
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Affiliation(s)
- Yifan Zhou
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Mingyu Xu
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Wenyue Shen
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Yufeng Xu
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - An Shao
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Peifang Xu
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Ke Yao
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Haijie Han
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
| | - Juan Ye
- Eye Center, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Laboratory of Ophthalmology, Zhejiang Provincial Clinical Research Center for Eye Diseases, Zhejiang Provincial Engineering Institute on Eye Diseases, 88 Jiefang Road, Hangzhou, 310009, P. R. China
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15
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Regu VR, Gohel V, Gaur M, Swain RP, Das J, Subudhi BB. Tamarind seed polysaccharide-metformin insert: Higher ocular retention, slow-release, and efficacy against corneal burn. Int J Pharm 2024; 659:124265. [PMID: 38795935 DOI: 10.1016/j.ijpharm.2024.124265] [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: 03/01/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Metformin (MET) can be an alternative therapeutic strategy for managing ocular burn primarily because of its pleiotropic mechanism. Longer retention on the ocular surface and sustained release are necessary to ensure the efficacy of MET for ocular application. Although the high aqueous solubility of MET is good for formulation and biocompatibility, it makes MET prone to high nasolacrimal drainage. This limits ocular residence and may be a challenge in its application. To address this, polymers approved for ophthalmic application with natural origin were analyzed through in silico methods to determine their ability to bind to mucin and interact with MET. An ocular insert of MET (3 mg/6 mm) was developed using a scalable solvent casting method without using preservatives. The relative composition of the insert was 58 ± 2.06 %w/w MET with approximately 14 %w/w tamarind seed polysaccharide (TSP), and 28 %w/w propylene glycol (PG). Its stability was demonstrated as per the ICH Q1A (R2) guidelines. Compatibility, ocular retention, drug release, and other functional parameters were evaluated. In rabbits, efficacy was demonstrated in the 'corneal alkali burn preclinical model'. TSP showed potential for mucoadhesion and interaction with MET. With adequate stability and sterility, the insert contributed to adequate retention of MET (10-12 h) in vivo and slow release (30 h) in vitro. This resulted in significant efficacy in vivo.
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Affiliation(s)
- Varaprasad R Regu
- Drug Development and Analysis Laboratory, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be) University, Bhubaneswar 751003, Odisha, India
| | - Vinit Gohel
- Drug Development and Analysis Laboratory, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be) University, Bhubaneswar 751003, Odisha, India
| | - Mahendra Gaur
- Drug Development and Analysis Laboratory, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be) University, Bhubaneswar 751003, Odisha, India
| | - Ranjit P Swain
- Drug Development and Analysis Laboratory, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be) University, Bhubaneswar 751003, Odisha, India; GITAM School of Pharmacy, GITAM (Deemed to be University), Rushikonda, Visakhapatnam 530045, Andhra Pradesh, India
| | - Jayakrushna Das
- College of Veterinary Science and Animal Husbandry, Bhubaneswar 751003, Odisha, India
| | - Bharat B Subudhi
- Drug Development and Analysis Laboratory, School of Pharmaceutical Sciences, Siksha O Anusandhan (Deemed to be) University, Bhubaneswar 751003, Odisha, India.
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16
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Miao Y, Wei J, Chen X, Shi J, Zhang L, Wang L, Yang J, Ma L, Duan J. Evaluation of living bacterial therapy assisted by pH/reactive oxygen species dual-responsive sodium alginate-based hydrogel for wound infections. Int J Biol Macromol 2024; 271:132536. [PMID: 38777021 DOI: 10.1016/j.ijbiomac.2024.132536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 05/14/2024] [Accepted: 05/19/2024] [Indexed: 05/25/2024]
Abstract
The enhancement of antimicrobial wound dressings is of utmost importance in light of the escalating risk of antibiotic resistance caused by excessive antibiotic usage. Conventional antimicrobial materials eradicate pathogenic bacteria while impeding the proliferation of beneficial bacteria during the management of wound infections, thereby disturbing the equilibrium of the skin micro-ecosystem and engendering recurrent cutaneous complications. Lactobacillus rhamnosus (L.rha) is a probiotic that can inhibit the growth of certain pathogenic bacteria by secreting a large number of metabolites. In this paper, we synthesized a cross-linker (SPBA) with a boric acid molecule from succinic acid and 4-(bromomethyl)phenylboronic acid, which formed a boric acid ester bond with a diol on the natural polysaccharide sodium alginate (SA), and obtained a pH/reactive oxygen species (ROS) dual-responsive hydrogel (SA-SPBA) for loading L.rha to treat wound infections. The SA-SPBA@L.rha hydrogel improves the survival of L.rha during storage and has good injectability as well as self-healing properties. The hydrogel showed good biocompatibility, the antimicrobial effect increases in a dose-dependent manner, and it has a certain antioxidant and anti-inflammatory capacity, accelerating wound repair. The use of SA-SPBA@L.rha hydrogel provides a safe and effective strategy for the repair of skin wound infections.
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Affiliation(s)
- Yu Miao
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Jielu Wei
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Xueqing Chen
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Jingru Shi
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Lingjiao Zhang
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Liping Wang
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Jialun Yang
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China
| | - Lili Ma
- Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China.
| | - Jinyou Duan
- Shannxi Key Laboratory of Nature Products & Chemical Biology, College of Science, Northwest A&F University, Yangling 712100, Shannxi, China.
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17
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Zhang Z, Chang D, Zeng Z, Xu Y, Yu J, Fan C, Yang C, Chang J. CuCS/Cur composite wound dressings promote neuralized skin regeneration by rebuilding the nerve cell "factory" in deep skin burns. Mater Today Bio 2024; 26:101075. [PMID: 38736614 PMCID: PMC11087995 DOI: 10.1016/j.mtbio.2024.101075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/15/2024] [Accepted: 04/27/2024] [Indexed: 05/14/2024] Open
Abstract
Regenerating skin nerves in deep burn wounds poses a significant clinical challenge. In this study, we designed an electrospun wound dressing called CuCS/Cur, which incorporates copper-doped calcium silicate (CuCS) and curcumin (Cur). The unique wound dressing releases a bioactive Cu2+-Cur chelate that plays a crucial role in addressing this challenge. By rebuilding the "factory" (hair follicle) responsible for producing nerve cells, CuCS/Cur induces a high expression of nerve-related factors within the hair follicle cells and promotes an abundant source of nerves for burn wounds. Moreover, the Cu2+-Cur chelate activates the differentiation of nerve cells into a mature nerve cell network, thereby efficiently promoting the reconstruction of the neural network in burn wounds. Additionally, the Cu2+-Cur chelate significantly stimulates angiogenesis in the burn area, ensuring ample nutrients for burn wound repair, hair follicle regeneration, and nerve regeneration. This study confirms the crucial role of chelation synergy between bioactive ions and flavonoids in promoting the regeneration of neuralized skin through wound dressings, providing valuable insights for the development of new biomaterials aimed at enhancing neural repair.
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Affiliation(s)
- Zhaowenbin Zhang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Di Chang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
- Fudan University, Shanghai, 200433, People's Republic of China
| | - Zhen Zeng
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province, West China Hospital, Sichuan University, Chengdu, People's Republic of China
- The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325000, People's Republic of China
| | - Yuze Xu
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Jing Yu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Chen Fan
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Chen Yang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
| | - Jiang Chang
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, People's Republic of China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325000, People's Republic of China
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, People's Republic of China
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18
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Qu Z, Wang Y, Dong Y, Li X, Hao L, Sun L, Zhou L, Jiang R, Liu W. Intelligent electrospinning nanofibrous membranes for monitoring and promotion of the wound healing. Mater Today Bio 2024; 26:101093. [PMID: 38818528 PMCID: PMC11137601 DOI: 10.1016/j.mtbio.2024.101093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/06/2024] [Accepted: 05/17/2024] [Indexed: 06/01/2024] Open
Abstract
The incidence of chronic wound healing is promoted by the growing trend of elderly population, obesity, and type II diabetes. Although numerous wound dressings have been studied over the years, it is still challenging for many wound dressings to perfectly adapt to the healing process due to the dynamic and complicated wound microenvironment. Aiming at an optimal reproduction of the physiological environment, multifunctional electrospinning nanofibrous membranes (ENMs) have emerged as a promising platform for the wound treatment owing to their resemblance to extracellular matrix (ECM), adjustable preparation processes, porousness, and good conformability to the wound site. Moreover, profiting from the booming development of human-machine interaction and artificial intelligence, a next generation of intelligent electrospinning nanofibrous membranes (iENMs) based wound dressing substrates that could realize the real-time monitoring of wound proceeding and individual-based wound therapy has evoked a surge of interest. In this regard, general wound-related biomarkers and process are overviewed firstly and representative iENMs stimuli-responsive materials are briefly summarized. Subsequently, the emergent applications of iENMs for the wound healing are highlighted. Finally, the opportunities and challenges for the development of next-generation iENMs as well as translating iENMs into clinical practice are evaluated.
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Affiliation(s)
- Zhi Qu
- School of Nursing, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, Shandong Province, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Yang Wang
- Department of Plastic and Reconstructive Surgery, Cell & Matrix Research Institute, Kyungpook National University School of Medicine, Daegu, 41944, South Korea
| | - Yanhong Dong
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Xinmeng Li
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Lingwan Hao
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Liwei Sun
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Lu Zhou
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Rujian Jiang
- School of Chemistry and Pharmaceutical Engineering, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, China
- Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong Province, China
| | - Weihua Liu
- School of Nursing, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian, 271016, Shandong Province, China
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19
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Cheng J, Wang R, Hu Y, Li M, You L, Wang S. Fermentation-inspired macroporous and tough gelatin/sodium alginate hydrogel for accelerated infected wound healing. Int J Biol Macromol 2024; 268:131905. [PMID: 38688346 DOI: 10.1016/j.ijbiomac.2024.131905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/15/2024] [Accepted: 04/24/2024] [Indexed: 05/02/2024]
Abstract
Gelatin and sodium alginate (SA) are two important biological macromolecules, exhibiting excellent biocompatibility and gel-forming ability. However, traditional SA and gelatin hydrogel displays limited mass transport, low porosity, instability, and poor mechanical properties extremely restricted their therapeutic effect and application scenarios. Herein, microbial fermentation and synergistic toughening strategies were used for preparing macroporous and tough hydrogel. The study investigated the fermentation and toughening conditions of hydrogel. The hydrogel composed of CaCl2 cross-linked physically network and EDC/NHS cross-linked covalently network, exhibiting significantly improved mechanical properties, and excellent recovery efficiency. In addition, the hydrogel has a hierarchical macroporous structure of 100-500 μm, demonstrating high porosity of 10 times, swelling rate of 1541.0 %, and high mass infiltration capability. Further, after Ag+ treatment, the macroporous hydrogel dressing showed outstanding biocompatibility. Compared with non-porous hydrogel, the resulting macroporous hydrogel dressing displayed high antibacterial and antioxidant properties. It could effectively alleviate intracellular ROS formation induced by H2O2.In vivo experiments indicated that it has significantly better effect than non-porous hydrogel in accelerating wound healing. The overall results suggest that the gelatin/SA-based macroporous and tough hydrogel proposed in this study holds excellent prospects for application in wound dressings.
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Affiliation(s)
- Jing Cheng
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Rixuan Wang
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yanyu Hu
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Mengxuan Li
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Lijun You
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Shaoyun Wang
- College of Chemical Engineering & College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.
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20
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Sun GF, Qu XH, Jiang LP, Chen ZP, Wang T, Han XJ. The mechanisms of natural products for eye disorders by targeting mitochondrial dysfunction. Front Pharmacol 2024; 15:1270073. [PMID: 38725662 PMCID: PMC11079200 DOI: 10.3389/fphar.2024.1270073] [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: 07/31/2023] [Accepted: 04/10/2024] [Indexed: 05/12/2024] Open
Abstract
The human eye is susceptible to various disorders that affect its structure or function, including glaucoma, age-related macular degeneration (AMD) and diabetic retinopathy (DR). Mitochondrial dysfunction has been identified as a critical factor in the pathogenesis and progression of eye disorders, making it a potential therapeutic target in the clinic. Natural products have been used in traditional medicine for centuries and continue to play a significant role in modern drug development and clinical therapeutics. Recently, there has been a surge in research exploring the efficacy of natural products in treating eye disorders and their underlying physiological mechanisms. This review aims to discuss the involvement of mitochondrial dysfunction in eye disorders and summarize the recent advances in the application of natural products targeting mitochondria. In addition, we describe the future perspective and challenges in the development of mitochondria-targeting natural products.
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Affiliation(s)
- Gui-Feng Sun
- Institute of Geriatrics, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- Department of Pharmacology, School of Pharmaceutical Science, Nanchang University, Nanchang, China
| | - Xin-Hui Qu
- Institute of Geriatrics, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- The Second Department of Neurology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Li-Ping Jiang
- Department of Pharmacology, School of Pharmaceutical Science, Nanchang University, Nanchang, China
| | - Zhi-Ping Chen
- Department of Critical Care Medicine, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Tao Wang
- Institute of Geriatrics, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Xiao-Jian Han
- Institute of Geriatrics, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
- The Second Department of Neurology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, China
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21
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Adhikari J, Dasgupta S, Das P, Gouripriya DA, Barui A, Basak P, Ghosh M, Saha P. Bilayer regenerated cellulose/quaternized chitosan-hyaluronic acid/collagen electrospun scaffold for potential wound healing applications. Int J Biol Macromol 2024; 261:129661. [PMID: 38266850 DOI: 10.1016/j.ijbiomac.2024.129661] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 01/12/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
In this study, a bilayer electrospun scaffold has been prepared using regenerated cellulose (RC)/quaternized chitosan (CS) as the primary layer and collagen/hyaluronic acid (HA) as the second layer. An approximate 48 mol% substituted (estimated from 1H NMR) quaternized CS was used in this study. Both layers were crosslinked with EDC/NHS, reflecting an increase in UTS (2.29 MPa for the bilayer scaffold compared to 1.82 MPa for the RC scaffold). Initial cell viability, cell adhesion and proliferation, FDA staining for live cells, and hydroxyproline release rate from cells were evaluated with L929 mouse fibroblast cells. Also, detailed in vitro studies were performed using HADF cells, which include MTT Assay, Live/Dead imaging, DAPI staining, gene expression of PDGF, VEGF-A, and COL1 in RT-PCR, and cell cycle analysis. The collagen/HA-based bilayer scaffold depicted a 9.76-fold increase of VEGF-A compared to a 2.1-fold increase for the RC scaffold, indicating angiogenesis and vascularization potential. In vitro scratch assay was performed to observe the migration of cells in simulated wounds. Antimicrobial, antioxidant, and protease inhibitory activity were further performed, and overall, the primary results highlighted the potential usage of bilayer scaffold in wound healing applications.
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Affiliation(s)
- Jaideep Adhikari
- School of Advanced Materials, Green Energy and Sensor Systems, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Shalini Dasgupta
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Pratik Das
- School of Bioscience and Engineering, Jadavpur University, 188, Raja S.C. Mullick Road, Kolkata 700032, West Bengal, India
| | - D A Gouripriya
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, WB 700091, India
| | - Ananya Barui
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Piyali Basak
- School of Bioscience and Engineering, Jadavpur University, 188, Raja S.C. Mullick Road, Kolkata 700032, West Bengal, India
| | - Manojit Ghosh
- Department of Metallurgy and Materials Engineering, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711103, West Bengal, India
| | - Prosenjit Saha
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research (JISIASR) Kolkata, JIS University, GP Block, Salt Lake, Sector-5, WB 700091, India.
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22
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Mishra S, Manzanares MA, Prater J, Culp D, Gold LI. Calreticulin accelerates corneal wound closure and mitigates fibrosis: Potential therapeutic applications. J Cell Mol Med 2024; 28:e18027. [PMID: 37985392 PMCID: PMC10902309 DOI: 10.1111/jcmm.18027] [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: 08/10/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 11/22/2023] Open
Abstract
The processes involved in regeneration of cutaneous compared to corneal tissues involve different intrinsic mechanisms. Importantly, cutaneous wounds involve healing by angiogenesis but vascularization of the cornea obscures vision. Previous studies showed that topically applied calreticulin (CALR) healed full-thickness excisional animal wounds by a tissue regenerative process markedly enhancing repair without evoking angiogenesis. In the current study, the application of CALR in a rabbit corneal injury model: (1) accelerated full wound closure by 3 days (2) accelerated delayed healing caused by corticosteroids, routinely used to prevent post-injury inflammation, by 6 days and (3) healed wounds without vascularization or fibrosis/hazing. In vitro, CALR stimulated proliferation of human corneal epithelial cells (CE) and corneal stromal cells (keratocytes) by 1.5-fold and 1.4-fold, respectively and induced migration of CE cells and keratocytes, by 72% and 85% compared to controls of 44% and 59%, respectively. As a marker of decreased fibrosis, CALR treated corneal wounds showed decreased immunostaining for α-smooth muscle actin (α-SMA) by keratocytes and following CALR treatment in vitro, decreased the levels of TGF-β2 in human CE cells and α-SMA in keratocytes. CALR has the potential to be a novel therapeutic both, to accelerate corneal healing from various injuries and in conjunction with corticosteroids.
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Affiliation(s)
- Sarita Mishra
- Department of Medicine, Division of Precision MedicineNew York University School of Medicine Langone HealthNew YorkNew YorkUSA
| | - Miguel A. Manzanares
- Department of Medicine, Division of Precision MedicineNew York University School of Medicine Langone HealthNew YorkNew YorkUSA
| | - Justin Prater
- Powered Research, Research Triangle ParkNorth CarolinaNew YorkUSA
| | - David Culp
- Powered Research, Research Triangle ParkNorth CarolinaNew YorkUSA
| | - Leslie I. Gold
- Department of Medicine, Division of Precision MedicineNew York University School of Medicine Langone HealthNew YorkNew YorkUSA
- Department of PathologyNew York University School of Medicine Langone HealthNew YorkNew YorkUSA
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23
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Fan X, Huang J, Zhang W, Su Z, Li J, Wu Z, Zhang P. A Multifunctional, Tough, Stretchable, and Transparent Curcumin Hydrogel with Potent Antimicrobial, Antioxidative, Anti-inflammatory, and Angiogenesis Capabilities for Diabetic Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:9749-9767. [PMID: 38359334 DOI: 10.1021/acsami.3c16837] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
The treatment of diabetic chronic wounds is still faced with great challenges, mainly due to wound infection, excessive inflammation, and peripheral vascular disease in the wound area. Therefore, it is of great importance to develop a novel multifunctional hydrogel with high efficiency to accelerate diabetic wound healing. Curcumin (Cur), a Chinese herbal, has shown great potential in enhancing the healing of diabetic chronic wounds because of its immunomodulatory and pro-angiogenic properties. However, its low aqueous solubility, poor bioavailability, and chemical instability have limited its clinical applications. To address these current bottlenecks, novel poly(vinyl alcohol) (PVA)-chitosan (CS)/sodium alginate (SA)-Cur (PCSA) hydrogels were prepared for the first time, and they demonstrated all of the above intriguing performances by the Michael addition reaction of CS and Cur. PCSA hydrogels show multiple dynamic bonds, which possess strong mechanical properties (tensile stress: ∼0.980 MPa; toughness: ∼258.45 kJ/m3; and compressive strength: ∼7.38 MPa at strain of 80%). These intriguing performances provided an optimal microenvironment for cell migration and proliferation and also promoted the growth of blood vessels, leading to early angiogenesis. Importantly, the experimental results demonstrated that PCSA hydrogels can effectively transform pro-inflammatory M1 macrophages into anti-inflammatory M2 macrophages without the need for additional ingredients in vitro. Benefiting from these characteristics, a full-thickness diabetic wound in a rat model demonstrated that PCSA hydrogels can effectively accelerate wound healing via ROS-scavenging, downregulation of IL-1β, and upregulation of CD31 expression, resulting in angiogenesis and collagen deposition. This strategy not only provides a simple and safe Cur-based hydrogel for diabetic wound healing but also highlights the significant potential for the development of high-performance biomaterials for promoting diabetic wound healing using traditional Chinese medicine.
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Affiliation(s)
- Xianmou Fan
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Jun Huang
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangzhou 510632, China
| | - Wanjun Zhang
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Zhihong Su
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Jin Li
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Zeyong Wu
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Peihua Zhang
- Department of Plastic Surgery, Guangdong Provincial Key Laboratory of Autophagy and Major Chronic Non-communicable Diseases, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
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24
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Lopresti F, Campora S, Rigogliuso S, Nicosia A, Lo Cicero A, Di Marco C, Tornabene S, Ghersi G, La Carrubba V. Improvement of Osteogenic Differentiation of Mouse Pre-Osteoblastic MC3T3-E1 Cells on Core-Shell Polylactic Acid/Chitosan Electrospun Scaffolds for Bone Defect Repair. Int J Mol Sci 2024; 25:2507. [PMID: 38473755 DOI: 10.3390/ijms25052507] [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: 02/05/2024] [Revised: 02/16/2024] [Accepted: 02/17/2024] [Indexed: 03/14/2024] Open
Abstract
Electrospun hybrid scaffolds composed of synthetic and natural polymers have gained increasing interest in tissue engineering applications over the last decade. In this work, scaffolds composed of polylactic acid electrospun fibers, either treated (P-PLA) or non-treated (PLA) with air-plasma, were coated with high molecular weight chitosan to create a core-shell microfibrous structure. The effective thickness control of the chitosan layer was confirmed by gravimetric, spectroscopic (FTIR-ATR) and morphological (SEM) investigations. The chitosan coating increased the fiber diameter of the microfibrous scaffolds while the tensile mechanical tests, conducted in dry and wet environments, showed a reinforcing action of the coating layer on the scaffolds, in particular when deposited on P-PLA samples. The stability of the Chi coating on both PLA and P-PLA substrates was confirmed by gravimetric analysis, while their mineralization capacity was evaluated though scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS) after immersing the scaffolds in simulated body fluids (SBF) at 37 °C for 1 week. Sample biocompatibility was investigated through cell viability assay and SEM analysis on mouse pre-osteoblastic MC3T3-E1 cells grown on scaffolds at different times (1, 7, 14 and 21 days). Finally, Alizarin Red assay and qPCR analysis suggested that the combination of plasma treatment and chitosan coating on PLA electrospun scaffolds influences the osteoblastic differentiation of MC3T3-E1 cells, thus demonstrating the great potential of P-PLA/chitosan hybrid scaffolds for bone tissue engineering applications.
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Affiliation(s)
- Francesco Lopresti
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Simona Campora
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Salvatrice Rigogliuso
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Aldo Nicosia
- Institute for Biomedical Research and Innovation, Italian National Research Council (IRIB-CNR), 90146 Palermo, Italy
| | - Alessandra Lo Cicero
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
| | - Chiara Di Marco
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Salvatore Tornabene
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
| | - Giulio Ghersi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 16, 90128 Palermo, Italy
- Abiel s.r.l, via Enzo ed Elvira Sellerio, 50, 90141 Palermo, Italy
| | - Vincenzo La Carrubba
- Department of Engineering, University of Palermo, RU INSTM, Viale delle Scienze, 90128 Palermo, Italy
- ATeN Center, University of Palermo, Viale delle Scienze, Ed. 18A, 90128 Palermo, Italy
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25
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Li L, Yu Y, Zhuang Z, Wu Q, Lin S, Hu J. Dopamine Receptor 1 Treatment Promotes Epithelial Repair of Corneal Injury by Inhibiting NOD-Like Receptor Protein 3-Associated Inflammation. Invest Ophthalmol Vis Sci 2024; 65:49. [PMID: 38294802 PMCID: PMC10839817 DOI: 10.1167/iovs.65.1.49] [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: 08/23/2023] [Accepted: 01/10/2024] [Indexed: 02/01/2024] Open
Abstract
Purpose To elucidate the influence of dopamine receptor 1 (DRD1) on the proliferation of mouse corneal epithelial cells (MCECs) under inflammatory conditions. Methods In vitro, immortalized MCECs (iMCECs) were treated with IL-1β, with and without pcDNA3.1_DRD1. Primary MCECs (pMCECs) were exposed to IL-1β, with and without DRD1 agonist (A68930). Cell proliferation was quantified using the Cell Counting Kit-8 (CCK-8) assay and immunofluorescence staining for Ki-67 and p63. Expression levels of NOD-like receptor protein 3 (NLRP3), IL-1β, and IL-6 were assessed. To establish a corneal injury model in mice, a 2-mm superficial keratectomy was performed. Either 0.1% A68930 or PBS was topically administered three times daily to the injured eyes for up to 5 days post-injury. Immunofluorescence analysis was employed to evaluate the expression of Ki-67, p63, and CD45 in mouse corneas. Western blotting and real-time quantitative PCR were utilized for quantitative analysis of DRD1, NLRP3, IL-1β, and IL-6 in mouse corneas. Corneal epithelial regeneration was monitored through fluorescein sodium staining for a duration of up to 5 days following the injury. Results Overexpression of DRD1 and A68930 promoted MCEC proliferation and suppressed the expression of NLRP3, IL-1β, and IL-6 in vitro. Topical application of the 0.1% A68930 following mechanical corneal injury in mice led to increased Ki-67 and p63 expression compared to PBS treatment. Furthermore, topical administration of the 0.1% A68930 reduced the expression of CD45, NLRP3, IL-1β, and IL-6. Analysis with fluorescein sodium indicated accelerated corneal epithelial regeneration in the 0.1% A68930 treatment group. Conclusions DRD1 treatment counteracts NLRP3-associated inflammation and facilitates epithelial repair of corneal injury.
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Affiliation(s)
- Licheng Li
- Department of Ophthalmology, The Second Affiliated Hospital of Fujian Medical University, Engineering Research Centre of Assistive Technology for Visual Impairment, Fujian Province University, Quanzhou, Fujian Province, China
| | - Yang Yu
- Department of Ophthalmology, The Second Affiliated Hospital of Fujian Medical University, Engineering Research Centre of Assistive Technology for Visual Impairment, Fujian Province University, Quanzhou, Fujian Province, China
| | - Zihao Zhuang
- Department of Ophthalmology, The Second Affiliated Hospital of Fujian Medical University, Engineering Research Centre of Assistive Technology for Visual Impairment, Fujian Province University, Quanzhou, Fujian Province, China
| | - Qi Wu
- Group of Neuroendocrinology, Garvan Institute of Medical Research, Sydney, Australia
| | - Shu Lin
- Group of Neuroendocrinology, Garvan Institute of Medical Research, Sydney, Australia
- Centre of Neurological and Metabolic Research, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian Province, China
| | - Jianmin Hu
- Department of Ophthalmology, The Second Affiliated Hospital of Fujian Medical University, Engineering Research Centre of Assistive Technology for Visual Impairment, Fujian Province University, Quanzhou, Fujian Province, China
- The School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian Province, China
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Zhang S, Yu F, Chen J, Yan D, Gong D, Chen L, Chen J, Yao Q. A thin film comprising silk peptide and cellulose nanofibrils implanting on the electrospun poly(lactic acid) fibrous scaffolds for biomedical reconstruction. Int J Biol Macromol 2023; 251:126209. [PMID: 37567522 DOI: 10.1016/j.ijbiomac.2023.126209] [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: 04/04/2023] [Revised: 06/08/2023] [Accepted: 08/05/2023] [Indexed: 08/13/2023]
Abstract
Conjunctival reconstruction using biocompatible polymers constitutes an effective treatment for conjunctival scarring and associated visual impairment. In this work, a thin film comprising silk peptide (SP), cellulose nanofibrils (CNF) and Ag nanoparticles (AgNPs) that implanted on the poly(lactic acid) (PLA) electrospun fibrous membranes (EFMs) was designed for biomedical reconstruction. SP and CNF as thin films can improve the surface hydrophilicity of the as-prepared scaffolds, which synergistically enhanced the biocompatibility. In in vivo experiments, the developed PLA EFMs modified with 3 wt% SP/CNF/AgNPs could be easily manipulated and transplanted onto conjunctival defects in rabbits, consequently accelerating the structural and functional restoration of the ocular surface in 12 days. Additionally, incorporation of 0.30 mg/g AgNPs efficiently reduced the topical application of antibiotics without causing infections. Thus, these resultant scaffolds could not only serve as useful alternatives for conjunctival engineering, but also prevent infections effectively with a very low content of AgNPs.
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Affiliation(s)
- Siyi Zhang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Fei Yu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Jin Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Dan Yan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Danni Gong
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Liangbo Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Junzhao Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
| | - Qinke Yao
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
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Li S, Chen L, Fu Y. Nanotechnology-based ocular drug delivery systems: recent advances and future prospects. J Nanobiotechnology 2023; 21:232. [PMID: 37480102 PMCID: PMC10362606 DOI: 10.1186/s12951-023-01992-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/09/2023] [Indexed: 07/23/2023] Open
Abstract
Ocular drug delivery has constantly challenged ophthalmologists and drug delivery scientists due to various anatomical and physiological barriers. Static and dynamic ocular barriers prevent the entry of exogenous substances and impede therapeutic agents' active absorption. This review elaborates on the anatomy of the eye and the associated constraints. Followed by an illustration of some common ocular diseases, including glaucoma and their current clinical therapies, emphasizing the significance of drug therapy in treating ocular diseases. Subsequently, advances in ocular drug delivery modalities, especially nanotechnology-based ocular drug delivery systems, are recommended, and some typical research is highlighted. Based on the related research, systematic and comprehensive characterizations of the nanocarriers are summarized, hoping to assist with future research. Besides, we summarize the nanotechnology-based ophthalmic drugs currently on the market or still in clinical trials and the recent patents of nanocarriers. Finally, inspired by current trends and therapeutic concepts, we provide an insight into the challenges faced by novel ocular drug delivery systems and further put forward directions for future research. We hope this review can provide inspiration and motivation for better design and development of novel ophthalmic formulations.
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Affiliation(s)
- Shiding Li
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 200011, China
| | - Liangbo Chen
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 200011, China
| | - Yao Fu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
- Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, 200011, China.
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