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Anam A, Liu C, Tong L, Liu YC. Blood-Derived Eye Drops for the Treatment of Corneal Neuropathic Pain. J Ocul Pharmacol Ther 2024; 40:281-292. [PMID: 38648544 PMCID: PMC11296151 DOI: 10.1089/jop.2023.0155] [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: 11/09/2023] [Accepted: 03/18/2024] [Indexed: 04/25/2024] Open
Abstract
Blood-derived preparations, including autologous or allogenic serum, umbilical cord serum/plasma, and platelet-rich plasma eye drops, contain various growth factors, cytokines, and immunoglobulins that resemble natural tears. These components play important roles in corneal cell migration, proliferation, and wound healing. Blood-derived eye drops have demonstrated clinical effectiveness across a spectrum of ocular surface conditions, encompassing dry eye disease, Sjögren's syndrome, graft-versus-host disease, and neuropathic corneal pain (NCP). Currently, management of NCP remains challenging. The emergence of blood-derived eye drops represents a promising therapeutic approach. In this review, we discuss the benefits and limitations of different blood-derived eye drops, their mechanisms of action, and treatment efficacy in patients with NCP. Several studies have demonstrated the clinical efficacy of autologous serum eye drops in relieving pain and pain-like symptoms, such as allodynia and photoallodynia. Corneal nerve parameters were also significantly improved, as evidenced by increased nerve fiber density, length, nerve reflectivity, and tortuosity, as well as a decreased occurrence of beading and neuromas after the treatment. The extent of nerve regeneration correlated with improvement in patient-reported photoallodynia. Cord plasma eye drops also show potential for symptom alleviation and corneal nerve regeneration. Future directions for clinical practice and research involve standardizing preparation protocols, establishing treatment guidelines, elucidating underlying mechanisms, conducting long-term clinical trials, and implementing cost-effective measures such as scaling up manufacturing. With ongoing advancements, blood-derived eye drops hold promise as a valuable therapeutic option for patients suffering from NCP.
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Affiliation(s)
- Ansa Anam
- Department of Ophthalmology, MTI Khyber Teaching Hospital, Peshawar, Pakistan
| | - Chang Liu
- Cornea and Refractive Surgery Group, Singapore Eye Research Institute, Singapore, Singapore
| | - Louis Tong
- Department of Corneal and External Eye Disease, Singapore National Eye Centre, Singapore, Singapore
- Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Medical School, Singapore, Singapore
- Ocular Surface Group, Singapore Eye Research Institute, Singapore, Singapore
| | - Yu-Chi Liu
- Cornea and Refractive Surgery Group, Singapore Eye Research Institute, Singapore, Singapore
- Department of Corneal and External Eye Disease, Singapore National Eye Centre, Singapore, Singapore
- Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Medical School, Singapore, Singapore
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2
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Çınar H, Temizsoylu MD, İpek V. Comparative evaluation of platelet-rich plasma, autologous blood serum, and umbilical cord serum for corneal healing after penetrating keratoplasty in New Zealand rabbits. Exp Eye Res 2024; 240:109779. [PMID: 38176514 DOI: 10.1016/j.exer.2023.109779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/24/2023] [Accepted: 12/31/2023] [Indexed: 01/06/2024]
Abstract
This study aimed to evaluate the effects of platelet-rich plasma (PRP), autologous blood serum (ABS), and umbilical cord serum (UCS) on corneal healing following penetrating keratoplasty (PK). A total of 120 New Zealand white rabbits, forty were designated as donors, while the remaining eighty rabbits were randomly divided into four groups after undergoing PRP Group (n = 20), ABS Group (n = 20), UCS Group (n = 20) and Control Group (n = 20). Corneal opacity score, corneal vascularization, corneal staining, histopathological analysis, and immunohistochemical analysis (including CD4+, CD8+, and major histocompatibility complex [MHC] II) were assessed at postoperative 1, 2, 3, and 12 weeks. The results showed that corneal opacity score and corneal vascularization did not differ significantly among the groups. However, corneal staining was found to be statistically higher in the PRP group (0.40 ± 0.60) compared to the other groups (p = 0.011). Immunohistochemical examination revealed no significant differences in CD4+, CD8+, and MHC II levels among the groups. Notably, in all groups, CD4+, CD8+, and MHC II levels were significantly higher at 12 weeks compared to other time points. PRP, ABS, and UCS demonstrated positive effects on corneal healing after PK. However, among the three products, PRP exhibited a superior healing effect compared to ABS and UCS crucial in the postoperative period following PK procedures, as they significantly impact visual quality, graft transparency, graft survival, and prevention of stromal resorption caused by infections. Despite the avascular nature of the cornea and its immune privilege, failure to resolve epithelial defects (ED) commonly observed after PK can result in irreversible scarring and ulceration, leading to graft rejection. While epithelial defects are observed in 14-100% of cases on the first postoperative day, approximately 3-7% of them persist as non-healing ED in subsequent periods. In conclusion, our study demonstrated that PRP, ABS, and UCS have a positive effect on corneal healing after PK.
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Affiliation(s)
- Harun Çınar
- Department of Surgery, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey.
| | - Mustafa Doğa Temizsoylu
- Department of Surgery, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
| | - Volkan İpek
- Department of Patology, Faculty of Veterinary Medicine, Burdur Mehmet Akif Ersoy University, Burdur, Turkey
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Huang R, Su C, Zhang N, Shi C, Pu G, Ding Y, Wei W, Chen J. Cord blood-derived biologics lead to robust axonal regeneration in benzalkonium chloride-injured mouse corneas by modulating the Il-17 pathway and neuropeptide Y. Mol Med 2024; 30:2. [PMID: 38172658 PMCID: PMC10763178 DOI: 10.1186/s10020-023-00772-w] [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: 09/25/2023] [Accepted: 12/17/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Umbilical cord blood-derived therapeutics, such as serum (UCS) and platelet-rich plasma (UCPRP), are popular treatment options in clinical trials and can potentially be utilized to address a clinically unmet need caused by preservatives, specifically benzalkonium chloride (BAK), present in ophthalmic formulations. As current clinical interventions for secondary injuries caused by BAK are suboptimal, this study will explore the feasibility of utilizing UCS and UCPRP for cornea treatment and investigate the underlying mechanisms associated with this approach. METHODS Mice's corneas were administered BAK to induce damage. UCS and UCPRP were then utilized to attempt to treat the injuries. Ocular tests were performed on the animals to evaluate recovery, while immunostaining, RNA-seq, and subsequent bioinformatics analysis were conducted to investigate the treatment mechanism. RESULTS BAK administration led to widespread inflammatory responses in the cornea. Subsequent treatment with UCS and UCPRP led to the downregulation of immune-related 'interactions between cytokine receptors' and 'IL-17 signaling' pathways. Although axonal enhancers such as Ngf, Rac2, Robo2, Srgap1, and Rock2 were found to be present in the injured group, robust axonal regeneration was observed only in the UCS and UCPRP treatment groups. Further analysis revealed that, as compared to normal corneas, inflammation was not restored to pre-injury levels post-treatment. Importantly, Neuropeptide Y (Npy) was also involved in regulating immune responses, indicating neuroimmune axis interactions. CONCLUSIONS Cord blood-derived therapeutics are feasible options for overcoming the sustained injuries induced by BAK in the cornea. They also have potential applications in areas where axonal regeneration is required.
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Affiliation(s)
- Ruojing Huang
- The First Affiliated Hospital of Jinan University, Tianhe District, Guangzhou, 510630, Guangdong Province, China
| | - Caiying Su
- The First Affiliated Hospital of Jinan University, Tianhe District, Guangzhou, 510630, Guangdong Province, China
- Peking University Shenzhen Hospital, Futian District, Shenzhen, 518036, Guangdong Province, China
| | - Na Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Dr, Singapore, 637459, Singapore
| | - Congying Shi
- Institution of Guangdong Cord Blood Bank, Guangdong Women and Children Hospital, Guangzhou, 510705, Guangdong Province, China
- Department of Experimental Center, Guangzhou Municipality Tianhe Nuoya Bio-Engineering Co., Ltd, Guangzhou, 510705, Guangdong Province, China
| | - Guangming Pu
- Jinan University Affiliated Heyuan Hospital, Guangzhou, 517000, Guangdong Province, China
| | - Yong Ding
- The First Affiliated Hospital of Jinan University, Tianhe District, Guangzhou, 510630, Guangdong Province, China
| | - Wei Wei
- Institution of Guangdong Cord Blood Bank, Guangdong Women and Children Hospital, Guangzhou, 510705, Guangdong Province, China.
- Department of Experimental Center, Guangzhou Municipality Tianhe Nuoya Bio-Engineering Co., Ltd, Guangzhou, 510705, Guangdong Province, China.
| | - Jiansu Chen
- Institute of Ophthalmology, Medical College, Jinan University, Guangzhou, 510630, Guangdong Province, China.
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Rodríguez-Eguren A, Gómez-Álvarez M, Francés-Herrero E, Romeu M, Ferrero H, Seli E, Cervelló I. Human Umbilical Cord-Based Therapeutics: Stem Cells and Blood Derivatives for Female Reproductive Medicine. Int J Mol Sci 2022; 23:ijms232415942. [PMID: 36555583 PMCID: PMC9785531 DOI: 10.3390/ijms232415942] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/04/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
There are several conditions that lead to female infertility, where traditional or conventional treatments have limited efficacy. In these challenging scenarios, stem cell (SC) therapies have been investigated as alternative treatment strategies. Human umbilical cord (hUC) mesenchymal stem cells (hUC-MSC), along with their secreted paracrine factors, extracts, and biomolecules, have emerged as promising therapeutic alternatives in regenerative medicine, due to their remarkable potential to promote anti-inflammatory and regenerative processes more efficiently than other autologous treatments. Similarly, hUC blood derivatives, such as platelet-rich plasma (PRP), or isolated plasma elements, such as growth factors, have also demonstrated potential. This literature review aims to summarize the recent therapeutic advances based on hUC-MSCs, hUC blood, and/or other plasma derivatives (e.g., extracellular vesicles, hUC-PRP, and growth factors) in the context of female reproductive medicine. We present an in-depth analysis of the principal molecules mediating tissue regeneration, compiling the application of these therapies in preclinical and clinical studies, within the context of the human reproductive tract. Despite the recent advances in bioengineering strategies that sustain delivery and amplify the scope of the therapeutic benefits, further clinical trials are required prior to the wide implementation of these alternative therapies in reproductive medicine.
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Affiliation(s)
- Adolfo Rodríguez-Eguren
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT 05610, USA
| | | | - Emilio Francés-Herrero
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain
- Department of Pediatrics, Obstetrics and Gynecology, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Mónica Romeu
- Gynecological Service, Consortium General University Hospital of Valencia, 46014 Valencia, Spain
| | - Hortensia Ferrero
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain
| | - Emre Seli
- Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT 05610, USA
- IVIRMA New Jersey, Basking Ridge, NJ 07920, USA
| | - Irene Cervelló
- IVI Foundation, Health Research Institute La Fe, 46026 Valencia, Spain
- Correspondence: or
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5
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Kim DH, Im ST, Yoon JY, Kim S, Kim MK, Chung MH, Park CK. Comparison of therapeutic effects between topical 8-oxo-2'-deoxyguanosine and corticosteroid in ocular alkali burn model. Sci Rep 2021; 11:6909. [PMID: 33767351 PMCID: PMC7994716 DOI: 10.1038/s41598-021-86440-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 03/12/2021] [Indexed: 01/25/2023] Open
Abstract
We compared the therapeutic effects of topical 8-oxo-2'-deoxyguanosine (8-oxo-dG) and corticosteroid in a murine ocular alkali burn model. (n = 128) The corneal alkali burn model was established by applying 0.1 N sodium hydroxide (NaOH), followed by treatment with 8-oxo-dG, 0.1% fluorometholone (FML), 1% prednisolone acetate (PDE), or phosphate-buffered saline (PBS) twice daily. One week later, the clinical and histological status of the cornea were assessed. Transcript levels of inflammatory cytokines and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase as well as the levels of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in the cornea, were assayed. The 8-oxo-dG and PDE groups showed marked improvements in corneal integrity and clarity when compared with the PBS group (each p < 0.01). The numbers of cells stained for neutrophil elastase and F4/80-positive inflammatory cells were significantly decreased, with levels of interleukin(IL)-1β, IL-6, tumor necrosis factor(TNF)-α, and total ROS/RNS amounts markedly reduced in the 8-oxo-dG, FML, and PDE groups (each p < 0.05). Levels of NADPH oxidase type 2 and 4 were substantially more repressed in the 8-oxo-dG-treated group than in the PDE-treated group (each p < 0.05). Topical 8-oxo-dG showed excellent therapeutic effects that were comparable with those treated with topical PDE in a murine ocular alkali burn model.
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Affiliation(s)
- Dong Hyun Kim
- Department of Ophthalmology, Gil Medical Center, Gachon University College of Medicine, 1198, Guwol-dong, Namdong-Gu, Incheon, 21565, Korea.
| | - Sang-Taek Im
- Fight Against Angiogenesis Related Blindness (FARB) Laboratory, Seoul National University Hospital, Seoul, Korea
| | - Jin Young Yoon
- Gachon Medical Research Institute, Gachon University Gil Medical Center, Incheon, Korea
| | | | - Mee Kum Kim
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea
| | - Myung-Hee Chung
- Neuroscience Research Institute, Gachon University, Incheon, Korea
| | - Chul-Kyu Park
- Gachon Pain Center and Department of Physiology, Gachon University College of Medicine, Incheon, 21999, Korea.
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Use of Acellular Umbilical Cord-Derived Tissues in Corneal and Ocular Surface Diseases. MEDICINES 2021; 8:medicines8020012. [PMID: 33572327 PMCID: PMC7916115 DOI: 10.3390/medicines8020012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/28/2021] [Accepted: 01/29/2021] [Indexed: 11/25/2022]
Abstract
Blood derived products have become a valuable source of tissue for the treatment of ocular surface diseases that are refractory to conventional treatments. These can be obtained from autologous or allogeneic sources (patient’s own blood or from healthy adult donors/umbilical cord blood, respectively). Allogeneic cord blood demonstrates practical advantages over alternatives and these advantages will be discussed herein. Umbilical cord blood (UCB) can be divided, generally speaking, into two distinct products: first, mononuclear cells, which can be used in regenerative ophthalmology, and second, the plasma/serum (an acellular fraction), which may be used in the form of eyedrops administered directly to the damaged ocular surface. The rationale for using umbilical cord serum (UCS) to treat ocular surface diseases such as severe dry eye syndrome (DES), persistent epithelial defects (PED), recurrent epithelial erosions, ocular chemical burns, graft versus host disease (GVHD), among others, is the considerably high concentration of growth factors and cytokines, mimicking the natural healing properties of human tears. Allogeneic serum also offers the opportunity for therapeutic treatment to patients who, due to poor heath, cannot provide autologous serum. The mechanism of action involves the stimulation of endogenous cellular proliferation, differentiation and maturation, which is highly efficient in promoting and enhancing corneal epithelial healing where other therapies have previously failed.
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Gouveia RM, Connon CJ. Biomechanical Modulation Therapy-A Stem Cell Therapy Without Stem Cells for the Treatment of Severe Ocular Burns. Transl Vis Sci Technol 2020; 9:5. [PMID: 33240564 PMCID: PMC7671857 DOI: 10.1167/tvst.9.12.5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/07/2020] [Indexed: 12/16/2022] Open
Abstract
Ocular injuries caused by chemical and thermal burns are often unmanageable and frequently result in disfigurement, corneal haze/opacification, and vision loss. Currently, a considerable number of surgical and pharmacological approaches are available to treat such injuries at either an acute or a chronic stage. However, these existing interventions are mainly directed at (and limited to) suppressing corneal inflammation and neovascularization while promoting re-epithelialization. Reconstruction of the ocular surface represents a suitable but last-option recourse in cases where epithelial healing is severely impaired, such as due to limbal stem cell deficiency. In this concise review, we discuss how biomechanical modulation therapy (BMT) may represent a more effective approach to promoting the regeneration of ocular tissues affected by burn injuries via restoration of the limbal stem cell niche. Specifically, the scientific basis supporting this new therapeutic modality is described, along with our growing understanding of the role that tissue biomechanics plays in stem cell fate and function. The potential impact of BMT as a future treatment option for the management of injuries affecting tissue compliance is also further discussed.
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Affiliation(s)
- Ricardo M Gouveia
- Biosciences Institute, Faculty of Medical Sciences, The Medical School, Newcastle University, Newcastle upon Tyne, UK
| | - Che J Connon
- Biosciences Institute, Faculty of Medical Sciences, The Medical School, Newcastle University, Newcastle upon Tyne, UK
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Giannaccare G, Carnevali A, Senni C, Logozzo L, Scorcia V. Umbilical Cord Blood and Serum for the Treatment of Ocular Diseases: A Comprehensive Review. Ophthalmol Ther 2020; 9:235-248. [PMID: 32107737 PMCID: PMC7196109 DOI: 10.1007/s40123-020-00239-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Indexed: 12/30/2022] Open
Abstract
Several blood derivatives have been proposed for the treatment of various ocular diseases that affect either the anterior or the posterior segment of the eye. Blood sources may range from the patient’s own peripheral blood (autologous) to donor tissues, mainly allogeneic peripheral blood and umbilical cord blood (UCB). The utilization of the latter permits the collection of a large amount of serum all at once, and is characterized by therapeutic feasibility in patients with a poor general condition or anemia and blood dyscrasia. Products derived from UCB have two potential uses. First, serum in the form of eye drops can be applied topically onto the ocular surface to efficiently treat anterior segment disorders such as dry eye syndrome or corneal epithelial defects with different etiologies. The rationale for and efficacy of this application derive from the high concentrations of biologically active components and growth factors in UCB, which can nourish the ocular surface. Second, UCB is a source of stem cells, which are used in the field of regenerative medicine because they differentiate into various mature cells, including corneal and retinal cells. Therefore, UCB-derived stem cells have been proposed as a replacement therapy for the treatment of retinal and optic nerve diseases, given that current standard treatments often fail. The present review explores the clinical results that have been obtained using UCB-derived products in the field of ophthalmology, as well as the current limitations of those products in this field. Furthermore, given the promising development of UCB-based therapies, possible future directions in this area are discussed.
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Affiliation(s)
- Giuseppe Giannaccare
- Department of Ophthalmology, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Adriano Carnevali
- Department of Ophthalmology, University Magna Graecia of Catanzaro, Catanzaro, Italy.
| | - Carlotta Senni
- Ophthalmology Unit, S.Orsola-Malpighi University Hospital, Bologna, Italy
| | - Laura Logozzo
- Department of Ophthalmology, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Vincenzo Scorcia
- Department of Ophthalmology, University Magna Graecia of Catanzaro, Catanzaro, Italy
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Bizrah M, Yusuf A, Ahmad S. An update on chemical eye burns. Eye (Lond) 2019; 33:1362-1377. [PMID: 31086244 PMCID: PMC7002428 DOI: 10.1038/s41433-019-0456-5] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/06/2019] [Accepted: 04/02/2019] [Indexed: 01/20/2023] Open
Abstract
Ocular chemical injuries vary in severity, with the more severe end of the spectrum having profound visual consequences and medicolegal implications. Grading of ocular injuries is critical for determining acute treatment and visual prognosis. Poor immediate management results in more challenging treatment of acute disease. Similarly, poorly controlled acute disease results in more treatment-resistant chronic ocular disease. Despite several decades of research and public health initiatives, simple and effective interventions such as wearing protective eyewear and immediate irrigation of eyes remain as key challenges. Education and prevention are therefore important public health messages. Hurdles in the acute management of disease include poor evidence-base for commonly used treatments (e.g. based on experimental animal studies), reduced treatment adherence rates and high clinic non-attendance rates. The evolution of treatment strategies, particularly limbal stem cell transplantation, has revolutionised the visual and cosmetic outcomes in chronic phases of disease. It is therefore increasingly important to consider tertiary referral for patients with limbal stem cell failure or vision-limiting corneal scarring.
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Affiliation(s)
- Mukhtar Bizrah
- Imperial College Healthcare NHS Trust, Western Eye Hospital, 153-173 Marylebone Road, London, NW1 5QH, UK.
| | - Ammar Yusuf
- UCL Institute of Ophthalmology, 11-43 Bath Street, London, EC1V 9EL, UK
| | - Sajjad Ahmad
- Moorfields Eye Hospital NHS Foundation Trust, 162 City Road, London, EC1V 2PD, UK
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Han KE, Park MH, Kong KH, Choi E, Choi KR, Jun RM. Therapeutic effects of three human-derived materials in a mouse corneal alkali burn model. Cutan Ocul Toxicol 2019; 38:315-321. [PMID: 30741024 DOI: 10.1080/15569527.2019.1573244] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Purpose: To compare the therapeutic effects of human derivatives in a mouse alkali burn model. Methods: The right eyes of mice were injured using NaOH. After alkali injury, one of the following agents was topically administered for 7 d: human amniotic membrane (hAM) suspension, human umbilical cord serum (hUCS), and human peripheral blood serum (hPBS), or saline. The epithelial defect areas on days 1, 2, and 3 degrees of opacity on days 2, 3, and 7, and corneal neovascularization (NV) areas on day 7 were evaluated. Histologic examination and mRNA expression levels of tumour necrosis factor (TNF)-α, interleukin (IL)-6, vascular endothelial growth factor (VEGF), matrix metalloproteinase (MMP)-2, MMP-8, and MMP-9 were also evaluated on day 7. Results: The epithelial defect areas in the hUCS group were smaller than those in the control and hPBS groups on day 3 (p < .05, respectively). The epithelial defect areas in the hAM suspension group showed smaller than those in the control and hPBS groups on days 1 and 2 (p < .05, respectively). The degrees of opacity were lower in all treatment groups than that of the saline control group on day 7 (p < .05, respectively). Corneal NV areas were not different among groups on day 7 (p = 0.20). The expression levels of TNF-α, IL-6, MMP-8, and MMP-9 mRNA and the infiltration of the inflammatory cells in all treatment groups were lesser than those in the control group on day 7 (p< .05, respectively). Conclusions: All treatments reduced inflammatory reactions and corneal opacity development. Corneal reepithelialization was faster in the hUCS group.
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Affiliation(s)
- Kyung Eun Han
- Department of Ophthalmology, Institute of Ophthalmology and Optometry, Ewha Womans University College of Medicine , Seoul , Korea
| | - Mi Hye Park
- Department of Obstetrics and Gynecology, Ewha Womans University College of Medicine , Seoul , Korea
| | | | - Euno Choi
- Department of Pathology, Ewha Womans University College of Medicine , Seoul , Korea
| | - Kyu-Ryong Choi
- Department of Ophthalmology, Institute of Ophthalmology and Optometry, Ewha Womans University College of Medicine , Seoul , Korea
| | - Roo Min Jun
- Department of Ophthalmology, Institute of Ophthalmology and Optometry, Ewha Womans University College of Medicine , Seoul , Korea
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11
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Jang CH, Lee J, Kim G. Synergistic effect of alginate/BMP-2/Umbilical cord serum-coated on 3D-printed PCL biocomposite for mastoid obliteration model. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.12.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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12
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Treatment of acute ocular chemical burns. Surv Ophthalmol 2017; 63:214-235. [PMID: 28935121 DOI: 10.1016/j.survophthal.2017.09.005] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 09/08/2017] [Accepted: 09/11/2017] [Indexed: 01/15/2023]
Abstract
Ocular chemical burns are an ophthalmic emergency and are responsible for 11.5%-22.1% of ocular injuries. Immediate copious irrigation is universally recommended in acute ocular burns to remove the offending agent and minimize damage. Conventional medical therapy consists of the use of agents that promote epithelialization, minimize inflammation, and prevent cicatricial complications. Biological fluids such as autologous serum, umbilical cord blood serum, platelet-rich plasma, and amniotic membrane suspension are a rich source of growth factors and promote healing when used as adjuncts to conventional therapy. Surgical treatment of acute ocular burns includes the debridement of the necrotic tissue, application of tissue adhesives, tenoplasty, and tectonic keratoplasty. Amniotic membrane transplantation is a novel surgical treatment that is increasingly being used as an adjunct to conventional treatment to promote epithelial healing, minimize pain, and restore visual acuity. Various experimental treatments that aim to promote wound healing and minimize inflammation are being evaluated such as human mesenchymal and adipose stem cells, beta-1,3 glucan, angiotensin-converting enzyme inhibitors, cultivated fibroblasts, zinc desferrioxamine, antifibrinolytic agents, antioxidants, collagen cross-linking, and inhibitors of corneal neovascularization.
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14
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Baradaran-Rafii A, Eslani M, Haq Z, Shirzadeh E, Huvard MJ, Djalilian AR. Current and Upcoming Therapies for Ocular Surface Chemical Injuries. Ocul Surf 2016; 15:48-64. [PMID: 27650263 DOI: 10.1016/j.jtos.2016.09.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 09/01/2016] [Accepted: 09/02/2016] [Indexed: 01/11/2023]
Abstract
Chemical injuries frequently result in vision loss, disfigurement, and challenging ocular surface complications. Acute interventions are directed at decreasing the extent of the injury, suppressing inflammation, and promoting ocular surface re-epithelialization. Chronically, management involves controlling inflammation along with rehabilitation and reconstruction of the ocular surface. Future therapies aimed at inhibiting neovascularization and promoting ocular surface regeneration should provide more effective treatment options for the management of ocular chemical injuries.
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Affiliation(s)
| | - Medi Eslani
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Zeeshan Haq
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ebrahim Shirzadeh
- Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Michael J Huvard
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Ali R Djalilian
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, Illinois, USA.
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Li Z, Cui L, Yang JM, Lee HS, Choi JS, Woo JM, Lim SK, Yoon KC. The Wound Healing Effects of Adiponectin Eye Drops after Corneal Alkali Burn. Curr Eye Res 2016; 41:1424-1432. [DOI: 10.3109/02713683.2015.1133834] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhengri Li
- Xiamen Eye Center of Xiamen University, Xiamen, Fujian, China
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
| | - Lian Cui
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
| | - Jee Myung Yang
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
| | - Hyo Seok Lee
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
| | - Ji Suk Choi
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
| | - Je Moon Woo
- Department of Ophthalmology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, South Korea
| | - Seul Ki Lim
- Microbiology and Functionality Research Group, R & D Division, World Institute of Kimchi, Gwangju, South Korea
| | - Kyung Chul Yoon
- Department of Ophthalmology, Chonnam National University Medical School and Hospital and Center for Creative Biomedical Scientists at Chonnam National University, Gwangju, South Korea
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Soni NG, Jeng BH. Blood-derived topical therapy for ocular surface diseases. Br J Ophthalmol 2015; 100:22-7. [DOI: 10.1136/bjophthalmol-2015-306842] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 06/21/2015] [Indexed: 11/03/2022]
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Nugent RB, Lee GA. Ophthalmic use of blood-derived products. Surv Ophthalmol 2015; 60:406-34. [PMID: 26077627 DOI: 10.1016/j.survophthal.2015.03.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 03/23/2015] [Accepted: 03/25/2015] [Indexed: 12/23/2022]
Abstract
There is a wide spectrum of blood-derived products that have been used in many different medical and surgical specialties with success. Blood-derived products for clinical use can be extracted from autologous or allogeneic specimens of blood, but recombinant products are also commonly used. A number of blood derivatives have been used for a wide range of ocular conditions, from the ocular surface to the retina. With stringent preparation guidelines, the potential risk of transmission of blood-borne diseases is minimized. We review blood-derived products and how they are improving the management of ocular disease.
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Affiliation(s)
| | - Graham A Lee
- City Eye Centre, Brisbane, Queensland, Australia; Department of Ophthalmology, University of Queensland, Brisbane, Queensland, Australia.
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18
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Oxidative stress to the cornea, changes in corneal optical properties, and advances in treatment of corneal oxidative injuries. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:591530. [PMID: 25861412 PMCID: PMC4377462 DOI: 10.1155/2015/591530] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 01/15/2015] [Accepted: 02/15/2015] [Indexed: 01/12/2023]
Abstract
Oxidative stress is involved in many ocular diseases and injuries. The imbalance between oxidants and antioxidants in favour of oxidants (oxidative stress) leads to the damage and may be highly involved in ocular aging processes. The anterior eye segment and mainly the cornea are directly exposed to noxae of external environment, such as air pollution, radiation, cigarette smoke, vapors or gases from household cleaning products, chemical burns from splashes of industrial chemicals, and danger from potential oxidative damage evoked by them. Oxidative stress may initiate or develop ocular injury resulting in decreased visual acuity or even vision loss. The role of oxidative stress in the pathogenesis of ocular diseases with particular attention to oxidative stress in the cornea and changes in corneal optical properties are discussed. Advances in the treatment of corneal oxidative injuries or diseases are shown.
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Yoon KC. Use of umbilical cord serum in ophthalmology. Chonnam Med J 2014; 50:82-5. [PMID: 25568842 PMCID: PMC4276795 DOI: 10.4068/cmj.2014.50.3.82] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 11/19/2014] [Accepted: 11/20/2014] [Indexed: 12/27/2022] Open
Abstract
Among blood preparations, serum has been topically used in the management of various ocular diseases in ophthalmology. Like peripheral blood serum, umbilical cord blood serum contains a high concentration of essential tear components, growth factors, neurotrophic factors, vitamin A, fibronectin, prealbumin, and oil. Umbilical cord serum can provide basic nutrients for epithelial renewal and can facilitate the proliferation, migration, and differentiation of the ocular surface epithelium. Eye drops made from umbilical cord serum have been applied to treat various ocular surface diseases, including severe dry eye with or without Sjögren's syndrome, ocular complications in graft-versus-host disease, persistent epithelial defects, neurotrophic keratopathy, recurrent corneal erosions, ocular chemical burn, and surface problems after corneal refractive surgery. Because mesenchymal stem cells from umbilical cord blood can be used to regenerate corneal tissue and retinal nerve cells, umbilical cord serum might be applied for tissue engineering and regenerative medicine in the future.
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Affiliation(s)
- Kyung Chul Yoon
- Department of Ophthalmology and Research Institute of Medical Sciences, Chonnam National University Medical School and Hospital, Gwangju, Korea
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Li Z, Choi JH, Oh HJ, Park SH, Lee JB, Yoon KC. Effects of eye drops containing a mixture of omega-3 essential fatty acids and hyaluronic acid on the ocular surface in desiccating stress-induced murine dry eye. Curr Eye Res 2014; 39:871-8. [PMID: 24559509 DOI: 10.3109/02713683.2014.884595] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
PURPOSE To investigate the efficacy of the topical application of omega-3 essential fatty acids (EFAs) and hyaluronic acid (HA) mixtures in a mouse model of experimental dry eye (EDE). METHODS Eye drops consisting of 0.1% HA, 0.02%, or 0.2% omega-3 EFAs alone and mixture of 0.02%, or 0.2% omega-3 EFAs and 0.1% HA were applied in desiccating stress-induced murine dry eye. Corneal irregularity scores and fluorescein staining scores were measured 5 and 10 days after treatment. Levels of interleukin (IL)-1β, -17, and interferon gamma-induced protein (IP)-10 were measured in the conjunctiva at 10 days using a multiplex immunobead assay. The concentrations of hexanoyl-lys (HEL) and 4-hydroxynonenal (4-HNE) in conjunctiva tissue were measured with enzyme-linked immunosorbent assays. RESULTS Mice treated with the mixture containing 0.2% omega-3 EFAs showed a significant improvement in corneal irregularity scores and corneal fluorescein staining scores compared with EDE, HA, 0.02% or 0.2% omega-3 EFAs alone, and 0.02% omega-3 EFAs mixture-treated mice. A significant decrease in the levels of IL-1β, -17, and IP-10 were observed in the 0.2% EFAs mixture-treated group, compared with the other groups. In the mice treated with the mixture containing 0.2% omega-3 EFAs, the concentration of 4-HNE was also lower than the other groups. Although 0.2% omega-3 EFAs alone group also had a significant improvement in corneal irregularity scores and IL-17, IL-10, and 4 HNE levels compared with the other groups, the efficacy was lower than 0.2% omega-3 mixture group. CONCLUSIONS Topically applied eye drops containing a mixture of omega-3 EFAs and HA could improve corneal irregularity and corneal epithelial barrier disruption, and decrease inflammatory cytokines and oxidative stress markers on the ocular surface. Topical omega-3 EFAs and HA mixture may have a greater therapeutic effect on clinical signs and inflammation of dry eye compared with HA artificial tears.
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Affiliation(s)
- Zhengri Li
- Department of Ophthalmology, Chonnam National University Medical School and Hospital , Center for Creative Biomedical Scientists at Chonnam National University, Gwangju , Korea
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