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Sun N, Ogulur I, Mitamura Y, Yazici D, Pat Y, Bu X, Li M, Zhu X, Babayev H, Ardicli S, Ardicli O, D'Avino P, Kiykim A, Sokolowska M, van de Veen W, Weidmann L, Akdis D, Ozdemir BG, Brüggen MC, Biedermann L, Straumann A, Kreienbühl A, Guttman-Yassky E, Santos AF, Del Giacco S, Traidl-Hoffmann C, Jackson DJ, Wang DY, Lauerma A, Breiteneder H, Zhang L, O'Mahony L, Pfaar O, O'Hehir R, Eiwegger T, Fokkens WJ, Cabanillas B, Ozdemir C, Walter K, Bayik M, Nadeau KC, Torres MJ, Akdis M, Jutel M, Agache I, Akdis CA. The epithelial barrier theory and its associated diseases. Allergy 2024. [PMID: 39370939 DOI: 10.1111/all.16318] [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: 05/17/2024] [Revised: 08/28/2024] [Accepted: 09/03/2024] [Indexed: 10/08/2024]
Abstract
The prevalence of many chronic noncommunicable diseases has been steadily rising over the past six decades. During this time, over 350,000 new chemical substances have been introduced to the lives of humans. In recent years, the epithelial barrier theory came to light explaining the growing prevalence and exacerbations of these diseases worldwide. It attributes their onset to a functionally impaired epithelial barrier triggered by the toxicity of the exposed substances, associated with microbial dysbiosis, immune system activation, and inflammation. Diseases encompassed by the epithelial barrier theory share common features such as an increased prevalence after the 1960s or 2000s that cannot (solely) be accounted for by the emergence of improved diagnostic methods. Other common traits include epithelial barrier defects, microbial dysbiosis with loss of commensals and colonization of opportunistic pathogens, and circulating inflammatory cells and cytokines. In addition, practically unrelated diseases that fulfill these criteria have started to emerge as multimorbidities during the last decades. Here, we provide a comprehensive overview of diseases encompassed by the epithelial barrier theory and discuss evidence and similarities for their epidemiology, genetic susceptibility, epithelial barrier dysfunction, microbial dysbiosis, and tissue inflammation.
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Affiliation(s)
- Na Sun
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, P. R. China
| | - Ismail Ogulur
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Duygu Yazici
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yagiz Pat
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Xiangting Bu
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Manru Li
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Xueyi Zhu
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Huseyn Babayev
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Sena Ardicli
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Genetics, Faculty of Veterinary Medicine, Bursa Uludag University, Bursa, Turkey
| | - Ozge Ardicli
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Division of Food Processing, Milk and Dairy Products Technology Program, Karacabey Vocational School, Bursa Uludag University, Bursa, Turkey
| | - Paolo D'Avino
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Ayca Kiykim
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
- Department of Pediatrics, Division of Pediatric Allergy and Immunology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Willem van de Veen
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Lukas Weidmann
- Department of Nephrology, University Hospital Zurich, Zurich, Switzerland
| | - Deniz Akdis
- Department of Cardiology, University Hospital Zurich, Zurich, Switzerland
| | | | - Marie Charlotte Brüggen
- Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
- Department of Dermatology, University Hospital Zurich, Zurich, Switzerland
| | - Luc Biedermann
- Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland
| | - Alex Straumann
- Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland
| | - Andrea Kreienbühl
- Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland
| | - Emma Guttman-Yassky
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alexandra F Santos
- Department of Women and Children's Health (Pediatric Allergy), School of Life Course Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
- Children's Allergy Service, Evelina London Children's Hospital, Guy's and St. Thomas' Hospital, London, UK
- Peter Gorer Department of Immunobiology, School of Immunology and Microbial Sciences, King's College London, London, UK
| | - Stefano Del Giacco
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | | | - David J Jackson
- Guy's Severe Asthma Centre, Guy's Hospital, Guy's & St Thomas' NHS Trust, London, UK
- School of Immunology & Microbial Sciences, King's College London, London, UK
| | - De-Yun Wang
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore City, Singapore
| | - Antti Lauerma
- Department of Dermatology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Heimo Breiteneder
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
| | - Luo Zhang
- Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China
- Beijing Laboratory of Allergic Diseases and Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing, China
| | - Liam O'Mahony
- Department of Medicine and School of Microbiology, University College Cork, Cork, Ireland
- APC Microbiome Ireland, Cork, Ireland
| | - Oliver Pfaar
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Rhinology and Allergy, University Hospital Marburg, Philipps-Universität Marburg, Marburg, Germany
| | - Robyn O'Hehir
- Allergy, Asthma & Clinical Immunology, The Alfred Hospital, Melbourne, Victoria, Australia
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Thomas Eiwegger
- Translational Medicine Program, Research Institute, Hospital for Sick Children, Toronto, Ontario, Canada
- Department of Immunology, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
- Karl Landsteiner University of Health Sciences, Krems an der Donau, Austria
- Department of Pediatric and Adolescent Medicine, University Hospital St. Pölten, St. Pölten, Austria
| | - Wytske J Fokkens
- Department of Otorhinolaryngology & Head and Neck Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Beatriz Cabanillas
- Department of Allergy, Instituto de Investigación Biosanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Cevdet Ozdemir
- Department of Pediatric Basic Sciences, Institute of Child Health, Istanbul University, Istanbul, Turkey
- Istanbul Faculty of Medicine, Department of Pediatrics, Division of Pediatric Allergy and Immunology, Istanbul University, Istanbul, Turkey
| | - Kistler Walter
- Department of Sports Medicine, Davos Hospital, Davos, Switzerland
- Swiss Research Institute for Sports Medicine (SRISM), Davos, Switzerland
- Medical Committee International Ice Hockey Federation (IIHF), Zurich, Switzerland
| | - Mahmut Bayik
- Department of Internal Medicine and Hematology, Marmara University, Istanbul, Turkey
| | - Kari C Nadeau
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Maria J Torres
- Allergy Unit, IBIMA-Hospital Regional Universitario de Málaga-ARADyAL, UMA, Málaga, Spain
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Marek Jutel
- Department of Clinical Immunology, Wrocław Medical University, Wroclaw, Poland
| | - Ioana Agache
- Faculty of Medicine, Department of Allergy and Clinical Immunology, Transylvania University, Brasov, Romania
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
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Qi X, Yang Y, Xiong D, Lin B, Wu S, Chen M, Jiang Z, Zhang Q. IL-37 Inhibits Inflammation of Lacrimal Gland in Dry Eye Mice via the IL-37-PTEN-NFκB Signaling Pathway. Ocul Immunol Inflamm 2024:1-10. [PMID: 39353047 DOI: 10.1080/09273948.2024.2409371] [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: 04/26/2024] [Revised: 09/19/2024] [Accepted: 09/21/2024] [Indexed: 10/04/2024]
Abstract
PURPOSE This study aims to investigate the role of Interleukin-37 (IL-37) in mouse models of dry eye. METHODS Two murine models of dry eye were employed in this investigation. The evaluation of the anti-inflammatory impact of IL-37 (200 μl, 10 μg/ml) on dry eye mice involved intraperitoneal injections administered once daily for 7 days. Additionally, intraperitoneal injection of VO-Ohpic trihydrate (VO, 0.25 mg/kg) in dry eye mice was performed to investigate the role of PTEN in the IL-37 anti-inflammatory signaling pathway. Tear production was assessed using phenol red cotton thread, while corneal damage was examined through sodium fluorescein staining using a slit lamp. Histological alterations in the lacrimal gland were observed through H&E staining. PAS staining was used to assess conjunctival goblet cells. The levels of NFκB-P65, p-NFκB-P65, IL-1β, IL-6, TNF-α, CD3, AQP5, α-SMA and PTEN proteins were determined via Western blotting or immunofluorescence. RESULTS Following IL-37 treatment, both dry eye models exhibited reduced corneal fluorescence staining scores and enhanced tear production. In lacrimal gland, the expression of p-NFκB-P65, IL-1β, IL-6, CD3 and TNF-α was diminished, while PTEN, AQP5, α-SMA expression increased after IL-37 treatment in both dry eye mice. However, the intraperitoneal injection of VO significantly attenuated the anti-inflammatory effect of IL-37 on dry eye mice. CONCLUSION IL-37 emerges as an anti-inflammatory mediator within the lacrimal gland of dry eye mice, exerting its effects through the IL-37-PTEN-NFκB signaling pathway.
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Affiliation(s)
- Xiaoxuan Qi
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Yachun Yang
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Danyu Xiong
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Buyun Lin
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Sainan Wu
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Meihuan Chen
- The First School of Clinical Medicine, Anhui Medical University, Hefei, Anhui, China
| | - Zhengxuan Jiang
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Qing Zhang
- Department of Ophthalmology, The Second Hospital of Anhui Medical University, Hefei, Anhui, China
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Zheng Q, Ge C, Li K, Wang L, Xia X, Liu X, Mehmood R, Shen J, Nan K, Chen W, Lin S. Remote-controlled dexamethasone-duration on eye-surface with a micelle-magnetic nanoparticulate co-delivery system for dry eye disease. Acta Pharm Sin B 2024; 14:3730-3745. [PMID: 39220865 PMCID: PMC11365393 DOI: 10.1016/j.apsb.2024.05.004] [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: 01/04/2024] [Revised: 04/05/2024] [Accepted: 04/15/2024] [Indexed: 09/04/2024] Open
Abstract
Dexamethasone (DEX) is used to treat ocular surface diseases. However, regulating DEX duration in tears while preventing its absorption into the anterior chamber is critical for balancing its therapy effects and the side effects. In this study, a novel magnetic nanoparticle (MNP)-micelle (MC) co-delivery system (MMDS) was developed. The MC moiety in the MMDS served as the carrier for DEX and the MNP part endowed the MMDS with magnetic-responsive properties. To extend its residency, the MMDS was magnetically attracted by an external magnet after instilling, which acted as a precorneal drug-depot enabling a sustainable release of DEX in tears. With combination of magnet treatment, the topical instillation of MMDS@DEX significantly prolonged the DEX-retention in tears and increased the DEX-concentration in the cornea and conjunctiva, as well as concurrently reduced the DEX-level in the aqueous humor, when compared with the commercial DEX eye drop treatment. The combination of MMDS@DEX and magnet treatment exerted significantly better therapeutic effects against DED with smaller side effects than conventional treatments including DEX suspension, commercial DEX eye drops, as well as the MMDS@DEX treatment alone. The present work provided a new method for the effective delivery of DEX to ocular surface tissues while reducing its side effects, which will be beneficial to the treatments of a wide range of ocular surface diseases.
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Affiliation(s)
- Qinxiang Zheng
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Chaoxiang Ge
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Kexin Li
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Longxin Wang
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Xiaoyu Xia
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Xiao Liu
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Rashid Mehmood
- School of Chemical Engineering, UNSW Sydney, High Street, Building E10, Kensington, NSW 2052, Australia
- Adult Cancer Program, Lowy Cancer Research Centre, UNSW Sydney, Corner Botany & High Streets, Kensington, NSW 2052, Australia
| | - Jianliang Shen
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- Zhejiang Engineering Research Center for Tissue Repair Materials, Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Kaihui Nan
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Wei Chen
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
- National Clinical Research Center for Ocular Diseases, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
| | - Sen Lin
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China
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Li J, Yu H, Zhao J, Qiao X, Chen X, Lu Z, Li Q, Lin H, Wu W, Zeng W, Yang Z, Feng Y. Metal-Organic Framework-Based Surface-Enhanced Raman Scattering Sensing Platform for Trace Malondialdehyde Detection in Tears. NANO LETTERS 2024; 24:7792-7799. [PMID: 38860501 DOI: 10.1021/acs.nanolett.4c01978] [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: 06/12/2024]
Abstract
Disease biomarkers in tears are crucial for clinical diagnosis and health monitoring. However, the limited volume of tear samples, low concentration of tear biomarkers, and complex tear composition present challenges for precise testing. We introduce a spot-on testing platform of metal-organic framework (MOF)-based surface-enhanced Raman scattering (SERS) capillary column, which is capable of target molecules selective separation and enrichment for tear biomarkers in situ detection. It consists of Au nanostars for effective SERS signal and a porous MOF shell for separating impurities through molecular sieving effect. This platform allows for simultaneous collection and detection of tear, capturing the disease biomarker malondialdehyde in tears with a 9.38 × 10-9 mol/L limit of detection. Moreover, we designed a hand-held device based on this tubular SERS sensor, successfully diagnosing patients with dry eye disease. This functional capillary column enables noninvasive and rapid diagnosis of biomarkers in biofluids, providing potential for disease diagnosis and healthcare monitoring.
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Affiliation(s)
- Jinming Li
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology, Beijing 100083, P. R. China
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Haozhe Yu
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Jianming Zhao
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology, Beijing 100083, P. R. China
| | - Xuezhi Qiao
- School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, P. R. China
| | - Xiangyu Chen
- Institute of Environmental Engineering, ETH Zürich, Zürich 8093, Switzerland
| | - Zhaoxiang Lu
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Qiaoyu Li
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Haimiao Lin
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Wenyu Wu
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Weizhen Zeng
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
| | - Zhou Yang
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology, Beijing 100083, P. R. China
| | - Yun Feng
- Department of Ophthalmology, Peking University Third Hospital, Beijing 100191, P. R. China
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Valdés-Arias D, Locatelli EVT, Sepulveda-Beltran PA, Mangwani-Mordani S, Navia JC, Galor A. Recent United States Developments in the Pharmacological Treatment of Dry Eye Disease. Drugs 2024; 84:549-563. [PMID: 38652355 PMCID: PMC11189955 DOI: 10.1007/s40265-024-02031-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2024] [Indexed: 04/25/2024]
Abstract
Dry eye disease (DED) can arise from a variety of factors, including inflammation, meibomian gland dysfunction (MGD), and neurosensory abnormalities. Individuals with DED may exhibit a range of clinical signs, including tear instability, reduced tear production, and epithelial disruption, that are driven by different pathophysiological contributors. Those affected often report a spectrum of pain and visual symptoms that can impact physical and mental aspects of health, placing an overall burden on an individual's well-being. This cumulative impact of DED on an individual's activities and on society underscores the importance of finding diverse and effective management strategies. Such management strategies necessitate an understanding of the underlying pathophysiological mechanisms that contribute to DED in the individual patient. Presently, the majority of approved therapies for DED address T cell-mediated inflammation, with their tolerability and effectiveness varying across different studies. However, there is an emergence of treatments that target additional aspects of the disease, including novel inflammatory pathways, abnormalities of the eyelid margin, and neuronal function. These developments may allow for a more nuanced and precise management strategy for DED. This review highlights the recent pharmacological advancements in DED therapy in the United States. It discusses the mechanisms of action of these new treatments, presents key findings from clinical trials, discusses their current stage of development, and explores their potential applicability to different sub-types of DED. By providing a comprehensive overview of products in development, this review aims to contribute valuable insights to the ongoing efforts in enhancing the therapeutic options available to individuals suffering from DED.
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Affiliation(s)
- David Valdés-Arias
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th St, Miami, FL, 33136, USA
| | - Elyana V T Locatelli
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th St, Miami, FL, 33136, USA
- Surgical Services, Miami Veterans Affairs Medical Center, 1201 Northwest 16th Street, Miami, FL, 33125, USA
| | | | | | - Juan Carlos Navia
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th St, Miami, FL, 33136, USA
| | - Anat Galor
- Bascom Palmer Eye Institute, University of Miami, 900 NW 17th St, Miami, FL, 33136, USA.
- Surgical Services, Miami Veterans Affairs Medical Center, 1201 Northwest 16th Street, Miami, FL, 33125, USA.
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Ziemanski JF, Szalai AJ. Immortalized Human Conjunctival Epithelial Cells Produce Functional Complement C3 and C4 Proteins. Cornea 2024; 43:365-371. [PMID: 37983311 PMCID: PMC10872758 DOI: 10.1097/ico.0000000000003432] [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: 02/15/2023] [Accepted: 10/18/2023] [Indexed: 11/22/2023]
Abstract
PURPOSE The aim of this study was to assess whether complement proteins C3 and C4 are produced by immortalized human conjunctival epithelial (HCjE) cells. METHODS Supernatants and cell lysates from undifferentiated and differentiated HCjE cells were assayed for C3 and C4 by enzyme-linked immunosorbent assay. To measure complement protein function, supernatants and lysates were treated with heat-aggregated IgG, and soluble C5b-9 was measured. RESULTS C3 was upregulated in supernatants from differentiated HCjE cells compared with undifferentiated HCjE cells (556.55 ± 91.75 vs. 56.95 ± 12.09 ng/mL, P <0.001). C4 was also increased in supernatants but to a much lesser extent (0.599 ± 0.476 vs. 0.172 ± 0.0133 ng/mL, P = 0.03). From HCjE cell lysates, total C3 production was 9.03 times higher in differentiated HCjE cells ( P <0.001), whereas total C4 remained relatively unchanged. After activation with heat-aggregated IgG, sC5b-9 could be detected from both undifferentiated and differentiated HCjE cell lysates, but not in the HCjE supernatants. CONCLUSIONS HCjE cells produce C3 and C4 in sufficient quantities to support the formation of sC5b-9, confirming their biological activity and suggesting that HCjE cells likely produce all complement proteins C1 through C9.
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Affiliation(s)
- Jillian F. Ziemanski
- University of Alabama at Birmingham, School of Optometry, Department of Optometry and Vision Science, Birmingham, AL, USA
| | - Alexander J. Szalai
- University of Alabama at Birmingham, School of Medicine, Division of Clinical Immunology and Rheumatology, Birmingham, AL, USA
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7
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Hong M, Chong SZ, Goh YY, Tong L. Two-Photon and Multiphoton Microscopy in Anterior Segment Diseases of the Eye. Int J Mol Sci 2024; 25:1670. [PMID: 38338948 PMCID: PMC10855705 DOI: 10.3390/ijms25031670] [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: 12/09/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
Two-photon excitation microscopy (TPM) and multiphoton fluorescence microscopy (MPM) are advanced forms of intravital high-resolution functional microscopy techniques that allow for the imaging of dynamic molecular processes and resolve features of the biological tissues of interest. Due to the cornea's optical properties and the uniquely accessible position of the globe, it is possible to image cells and tissues longitudinally to investigate ocular surface physiology and disease. MPM can also be used for the in vitro investigation of biological processes and drug kinetics in ocular tissues. In corneal immunology, performed via the use of TPM, cells thought to be intraepithelial dendritic cells are found to resemble tissue-resident memory T cells, and reporter mice with labeled plasmacytoid dendritic cells are imaged to understand the protective antiviral defenses of the eye. In mice with limbal progenitor cells labeled by reporters, the kinetics and localization of corneal epithelial replenishment are evaluated to advance stem cell biology. In studies of the conjunctiva and sclera, the use of such imaging together with second harmonic generation allows for the delineation of matrix wound healing, especially following glaucoma surgery. In conclusion, these imaging models play a pivotal role in the progress of ocular surface science and translational research.
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Affiliation(s)
- Merrelynn Hong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore;
- Training and Education Department, Singapore National Eye Centre, Singapore 168751, Singapore
| | - Shu Zhen Chong
- Singapore Immunology Network (SIgN), Agency for Science Technology and Research (A*STAR), Singapore 138632, Singapore;
| | - Yun Yao Goh
- Lee Kong Chian School of Medicine, National Technical University, Singapore 639798, Singapore;
| | - Louis Tong
- Corneal and External Diseases Department, Singapore National Eye Centre, Singapore 168751, Singapore
- Ocular Surface Group, Singapore Eye Research Institute, Singapore 169856, Singapore
- Eye Academic Clinical Program, Duke-NUS Medical School, Singapore 169857, Singapore
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Zhou Y, Ma B, Liu Q, Duan H, Huo Y, Zhao L, Chen J, Han W, Qi H. Transmembrane Protein CMTM6 Alleviates Ocular Inflammatory Response and Improves Corneal Epithelial Barrier Function in Experimental Dry Eye. Invest Ophthalmol Vis Sci 2024; 65:4. [PMID: 38165704 PMCID: PMC10768713 DOI: 10.1167/iovs.65.1.4] [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: 09/30/2023] [Accepted: 12/04/2023] [Indexed: 01/04/2024] Open
Abstract
Purpose To investigate the impact of transmembrane protein CMTM6 on the pathogenesis of dry eye disease (DED) and elucidate its potential mechanisms. Methods CMTM6 expression was confirmed by database analysis, real-time polymerase chain reaction (RT-PCR), western blot, and immunohistochemistry. Tear secretion was measured using the phenol red thread test. Immune cell infiltration was assessed through flow cytometry. Barrier function was evaluated by fluorescein sodium staining, immunofluorescence staining of zonula occludens 1 (ZO-1), and electric cell-substrate impedance sensing (ECIS) assessment. For silencing CMTM6 expression, siRNA and shRNA were employed, along with lentiviral vector-mediated overexpression of CMTM6. Proinflammatory cytokine levels were analyzed by RT-PCR and cytometric bead array (CBA) analysis. Results CMTM6 showed high expression in healthy human and mouse corneal and conjunctival epithelium but was notably reduced in DED. Notably, this downregulation was correlated with disease severity. Cmtm6-/- dry eye (DE) mice displayed reduced tear secretion, severe corneal epithelial defects, decreased conjunctival goblet cell density, and upregulated inflammatory response. Additionally, Cmtm6-/- DE mice and CMTM6 knockdown human corneal epithelial cell-transformed (HCE-T) cells showed more severe barrier disruption and reduced expression of ZO-1. Knockdown of CMTM6 in HCE-T cells increased inflammatory responses induced by hyperosmotic stress, which was significantly mitigated by CMTM6 overexpression. Moreover, the level of phospho-p65 in hyperosmolarity-stimulated HCE-T cells increased after silencing CMTM6. Nuclear factor kappa B (NF-κB) p65 inhibition (JSH-23) reversed the excessive inflammatory responses caused by hyperosmolarity in CMTM6 knockdown HCE-T cells. Conclusions The reduction in CMTM6 expression on the ocular surface contributes to the pathogenesis of DED. The CMTM6-NF-κB p65 signaling pathway may serve as a promising therapeutic target for DED.
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Affiliation(s)
- Yifan Zhou
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Baikai Ma
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Qiyao Liu
- Department of Immunology, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology, Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Hongyu Duan
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Yangbo Huo
- Department of Immunology, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology, Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Lu Zhao
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
| | - Jiawei Chen
- Institute of Medical Technology, Peking University Health Science Center, Beijing, China
| | - Wenling Han
- Department of Immunology, Peking University Health Science Center, NHC Key Laboratory of Medical Immunology, Beijing, China
- Peking University Center for Human Disease Genomics, Beijing, China
| | - Hong Qi
- Department of Ophthalmology, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Restoration of Damaged Ocular Nerve, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Peking University Health Science Center, Beijing, China
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9
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Yılmaz H, Güneş İB. Evaluation of Main Lacrimal Gland through Shear-wave Ultrasound Elastography in Patients with Low Schirmer Value. Curr Med Imaging 2024; 20:e080623217778. [PMID: 37287310 DOI: 10.2174/1573405620666230608091854] [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: 03/29/2023] [Revised: 05/11/2023] [Accepted: 05/12/2023] [Indexed: 06/09/2023]
Abstract
OBJECTIVE To compare main lacrimal gland values through shear-wave elastography (SWE) in patients with low Schirmer value and unspecified Sjögren's syndrome (SS) with healthy controls. MATERIAL AND METHOD Admitted to the ophthalmology department with Schirmer value <10 mm, randomly selected 46 eyes of 46 patients evaluated for Sjögren's syndrome (SS) in the rheumatology department between December 2022 and April 2023 were classified as low Schirmer group (LSG). Randomly selected 48 eyes of 48 patients at a similar age with Schirmer value >10 mm were included as controls. Main lacrimal gland SWE measurements in LSG and control groups were recorded and compared as meter/second (m/sec). RESULTS Mean SWE values of the main lacrimal gland were measured as 2.78 ± 0.66 m/sec and 2.26 ± 0.29 m/sec in LSG and controls. SWE measurements were significantly higher in LSG patients than in controls (p<0.001). No significant correlation was found in the analysis between the Schirmer and the main lacrimal gland SWE values in LSG patients (p=0.702, r=0.058). No significant correlation was also detected between the Schirmer and main lacrimal gland SWE values in controls (p=0.097, r=0.242). No significant relationship was also found between age, gender, body mass index (BMI), and SWE values (p=0.351, p=0.493, p=0.328, respectively). CONCLUSION Mean SWE value of the main lacrimal gland was determined as significantly higher in patients with aqueous lacrimal insufficiency without SS than in controls. We consider that SWE measurements may be an imaging method to support the diagnosis of aqueous lacrimal insufficiency and used in follow-ups of those with dry eye syndrome (DES) in the future.
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Affiliation(s)
- Hakan Yılmaz
- Department of Radiology, Medicalpark Kocaeli Hospital, Kocaeli, Turkey
| | - İrfan Botan Güneş
- Department of Ophthalmology, Kocaeli Health and Technology University, Medicalpark Kocaeli Hospital, Kocaeli, Turkey
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10
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Liu Q, Nan Y, Yang Y, Li X, Jiang W, Jiao T, Li J, Jia X, Ye M, Niu Y, Yuan L. Exploring the Role of Lycium barbarum Polysaccharide in Corneal Injury Repair and Investigating the Relevant Mechanisms through In Vivo and In Vitro Experiments. Molecules 2023; 29:49. [PMID: 38202631 PMCID: PMC10779902 DOI: 10.3390/molecules29010049] [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: 11/20/2023] [Revised: 12/17/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
Lycium barbarum polysaccharide (LBP) is the main active component of Fructus Lycii, exhibiting various biological activities. This study aims to explore the protective effects of LBP on human corneal epithelial cells (HCEC) and a rat corneal injury model. Potential target points for LBP improving corneal injury repair were screened from public databases, and functional and pathway enrichment analyses of core targets were conducted using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG). Rat corneal alkali burns and HCEC oxidative stress injury models were established, and the results were validated through slit lamp examination, HE staining, TUNEL assay, immunofluorescence, CCK-8 assay, flow cytometry, scratch assay, and qRT-PCR methods. In the context of database retrieval, identification of 10 LBP monosaccharide components and 50 corneal injury repair-related targets was achieved. KEGG pathway analysis suggested that LBP might regulate the IL-17 and TNF signaling pathways through targets such as JUN, CASP3, and MMP9, thereby improving corneal damage. In vivo and in vitro experimental results indicated that LBP could reduce the increase of inflammation index scores (p < 0.05), inflammatory cell density (p < 0.01), TUNEL-positive cells (p < 0.01), corneal opacity scores (p < 0.01), and expression of corneal stromal fibrosis-related proteins α-SMA, FN, and COL (p < 0.01) caused by chemical damage to rat corneas. LBP inhibited oxidative stress-induced decreases in cell viability (p < 0.001) and migration healing ability (p < 0.01) in HCECs, reducing apoptosis rates (p < 0.001), ROS levels (p < 0.001), and the expression of inflammatory factors TNF-α and IL-6 (p < 0.01). qRT-PCR results demonstrated that LBP intervention decreased the mRNA levels of JUN, CASP3, and MMP9 in H2O2-induced alkaline-burned corneas and HCECs (p < 0.01).The integrated results from network pharmacology and validation experiments suggest that the inhibitory effects of LBP on apoptosis, inflammation, and fibrosis after corneal injury may be achieved through the suppression of the TNF and IL-17 signaling pathways mediated by JUN, CASP3, and MMP9.
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Affiliation(s)
- Qian Liu
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
- College of Clinical Medicine, Ningxia Medical University, Yinchuan 750004, China
| | - Yi Nan
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Yifan Yang
- School of Traditional Chinese Medicine, Ningxia Medical University, Yinchuan 750004, China; (Y.Y.); (M.Y.)
| | - Xiangyang Li
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Wenjie Jiang
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Taiqiang Jiao
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Jiaqing Li
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Xusheng Jia
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Mengyi Ye
- School of Traditional Chinese Medicine, Ningxia Medical University, Yinchuan 750004, China; (Y.Y.); (M.Y.)
| | - Yang Niu
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; (Q.L.); (Y.N.); (X.L.); (W.J.); (T.J.); (J.L.); (X.J.)
| | - Ling Yuan
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
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Han Y, Guo S, Li Y, Li J, Zhu L, Liu Y, Lv Y, Yu D, Zheng L, Huang C, Li C, Hu J, Liu Z. Berberine ameliorate inflammation and apoptosis via modulating PI3K/AKT/NFκB and MAPK pathway on dry eye. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 121:155081. [PMID: 37748390 DOI: 10.1016/j.phymed.2023.155081] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/08/2023] [Accepted: 09/10/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Dry eye disease (DED) is a multifactorial disease in ocular surface, and inflammation plays an etiological role. Berberine (BBR) has shown efficacy in treating inflammatory diseases. Yet, there was no adequate information related to the therapeutic effects of BBR for DED. PURPOSE To detect the effects and explore the potential mechanisms of BBR on DED. STUDY DESIGN In vitro, in vivo study and network pharmacology analysis were involved. METHOD The human corneal epithelium cells viability was evaluated with different concentrations of BBR. Dry eye murine model was established by exposing to the desiccating stress, and Ciclosporin (CSA), BBR eye drops or vehicle were topical administration for 7 days. The phenol red cotton tests, Oregon-green-dextran staining and Periodic acid-Schiff staining were performed and evaluated the dry eye after treatment. Inflammation and apoptosis levels of ocular surface were quantified. The potential targets related to berberine and dry eye were collected from databases. The Protein-Protein interaction network analysis and GO & KEGG enrichment analysis were realized by STRING database, Metascape platform and Cytoscape software to find core targets and signaling pathways. The SchrÖdinger software was used to molecular docking and PyMOL software to visualization. Finally, the levels of PI3K/AKT/NFκB and MAPK pathways were detected. RESULT The data revealed BBR could rescue impaired HCE under hyperosmotic conditions. In addition, BBR eye drops could ameliorate dry eye. And BBR eye drops suppressed the inflammatory factors and CD4+T cells infiltration in conjunctiva. Besides, BBR eye drops protected ocular surface by avoiding the severe apoptosis and decreasing the level of MMP-3 and MMP-9. 148 common targets intersection between BBR and dry eye were found via network pharmacology analysis. Core proteins and core pathways were identified through PPI and GO&KEGG enrichment analysis. Molecular docking displayed excellent binding between BBR and those core targets. Finally, in vivo study verified that BBR eye drops had a therapeutic effect in dry eye by inhibiting PI3K/AKT/NFκB and MAPK pathways. CONCLUSION The research provided convincing evidence that BBR could be a candidate drug for dry eye.
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Affiliation(s)
- Yi Han
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China; Department of Ophthalmology, the First Affiliated Hospital of University of South China, Postdoctoral mobile station of Basic Medical Sciences, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Shujia Guo
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Yunpeng Li
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Jiani Li
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Linfangzi Zhu
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Yuwen Liu
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Yufei Lv
- Department of Ophthalmology, the First Affiliated Hospital of University of South China, Postdoctoral mobile station of Basic Medical Sciences, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China
| | - Dong Yu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, Fujian, 361102, China
| | - Lan Zheng
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Caihong Huang
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China
| | - Cheng Li
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China; Department of Ophthalmology, the First Affiliated Hospital of University of South China, Postdoctoral mobile station of Basic Medical Sciences, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
| | - Jiaoyue Hu
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China.
| | - Zuguo Liu
- Department of Ophthalmology, Xiang'an Hospital of Xiamen University, Fujian Engineering and Research Center of Eye Regenerative Medicine, Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute & Affiliated Xiamen Eye Center, School of Medicine, Xiamen University, Xiamen, Fujian, 361102, China; Department of Ophthalmology, the First Affiliated Hospital of University of South China, Postdoctoral mobile station of Basic Medical Sciences, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
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12
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Kılıççıoğlu A, Oncel D, Celebi ARC. Autoimmune Disease-Related Dry Eye Diseases and Their Placement Under the Revised Classification Systems: An Update. Cureus 2023; 15:e50276. [PMID: 38196419 PMCID: PMC10775916 DOI: 10.7759/cureus.50276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2023] [Indexed: 01/11/2024] Open
Abstract
Dry eye disease (DED) is a chronic and progressive disorder involving the ocular surface, characterized by disturbances in tear film composition, instability of the tear film, and inflammation of the ocular surface. There are two forms of DED: aqueous-deficient dry eye (ADDE) and evaporative dry eye (EDE). Autoimmune diseases are systemic disorders involving multiple organs, including the eyes, and have a significant impact on DED. There have been multiple studies demonstrating the relation between autoimmune diseases and DED. This article reviews the current knowledge regarding the epidemiological characteristics, pathogenesis, and treatments of autoimmune disease-related DED.
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Affiliation(s)
- Alara Kılıççıoğlu
- Neurology, Szeged University, Szeged, HUN
- Ophthalmology, Acibadem University, Istanbul, TUR
| | - Deniz Oncel
- Ophthalmology, Stritch School of Medicine, Loyola University Chicago, Chicago, USA
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13
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Mounir A, Anbar M, Awny I, Bakheet TM, Mounir O, Mateen Mossa EA. Non-contact meibography changes according to disease activity in rheumatoid arthritis cases. BMC Ophthalmol 2023; 23:454. [PMID: 37957641 PMCID: PMC10641933 DOI: 10.1186/s12886-023-03194-8] [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: 04/27/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
PURPOSE To measure dry eye disease (DED) activity in rheumatoid arthritis (RA) patients, correlate it with the activity and duration of RA, and objectively measure the degree extent of DED in RA active cases. METHODS The paper studied the meibomian gland of 30 RA cases referred by the Rheumatology Department, Sohag University Hospitals to Sohag Cornea and Refractive Center, Sohag, Egypt, by infrared non-contact meibography in the Scheimpflug topographer (Sirius, CSO, Italy) from July 2021 to July 2022. The cases fulfilled the RA classification criteria according to the 2010 American College of Rheumatology and European League and underwent full lab investigations. They were distributed to two groups based on the DAS-28 questionnaire. The patients were distributed into low to moderate activity (3.2 < score < = 5.1) and high activity groups (score > 5.1). RESULTS This study included 60 eyes of 30 RA patients. They scored a mean age of (44 ± 10 years), number of swollen joints (3 ± 3), number of tender joints (5 ± 3), duration of disease (8 ± 4), activity of the disease measured by DAS-28 (4.4 ± 0.9), and sex (males were 9.7% vs females 90.3%). The number of swollen joints, tender joints, ESR and DAS-28 were more in the high activity group with the p-value of (0.018, 0.001, < 0.003 and < 0.004), respectively. There are no statistically significant differences between both groups as regards disease duration (p-value of 3.8). The high activity group showed significant affection regarding the mebioscore of the lower and upper lids, total mebioscore, percentage of meibomian glands in upper and lower lids, first non-invasive break-up time test (NIV-BUT) of the tear film, as well as average non-invasive break-up time test (NIavg-BUT). There were moderate correlations between the activity of the disease represented by (DAS-28) and different parameters evaluating eye dryness (meiboscore of the lower and upper lids, total meiboscore, percentage of meibomian glands in upper and lower lids, NIV-BUT of the tear film, and NIavg-BUT of the tear film). CONCLUSION There was no correlation with duration of RA but moderate correlations between the activity of the disease represented by (DAS-28) and different parameters evaluating eye dryness in RA patients with valuable use of noncontact Meibography to evaluate eye dryness in RA cases. Both Meiboscore and Meiboscale of Non-contact Meibography were found to be useful tools in grading of dry eye disease in different activity grades of Rheumatoid Arthritis.
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Affiliation(s)
- Amr Mounir
- Ophthalmology Department, Sohag Faculty of Medicine, Sohag University, Almohafza St., Sohag, Sohag City, 82511, Egypt.
| | - Mohamed Anbar
- Ophthalmology Department, Sohag Faculty of Medicine, Sohag University, Almohafza St., Sohag, Sohag City, 82511, Egypt
| | - Islam Awny
- Ophthalmology Department, Sohag Faculty of Medicine, Sohag University, Almohafza St., Sohag, Sohag City, 82511, Egypt
| | - Tasneem Mohammed Bakheet
- Public Health and Community Medicine Department, Faculty of Medicine, Sohag University, Sohag City, Egypt
| | - Ola Mounir
- Rheumatology and Rehabilitation Department, Faculty of Medicine, Sohag University, Sohag City, Egypt
| | - Elshimaa A Mateen Mossa
- Ophthalmology Department, Sohag Faculty of Medicine, Sohag University, Almohafza St., Sohag, Sohag City, 82511, Egypt
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Hat K, Kaštelan S, Planinić A, Muller D, Ježek D. Pathohistological features of the aging human lacrimal gland. Croat Med J 2023; 64:307-319. [PMID: 37927184 PMCID: PMC10668042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/16/2023] [Indexed: 11/07/2023] Open
Abstract
AIM To assess sex-related differences in the pathohistological features of the human lacrimal gland and to investigate age-related and sex-related differences in stereologically measured volume density of the secretory tissue, connective tissue, and fat. METHODS We performed an observational analysis of acinar atrophy, periacinar fibrosis, periductal fibrosis, ductal dilation, ductal proliferation, fatty infiltration, and lymphocyte infiltration of hematoxylin and eosin-stained lacrimal gland samples from 81 cornea donors. Stereological analysis of the volume density of the secretory tissue, connective tissue, and fat was performed on samples from 66 donors. RESULTS Up to 69% of all samples showed degenerative changes. Female samples had a higher frequency of all observed degenerative changes, except ductal dilation. While acinar atrophy was significantly more prevalent in women, ductal dilation was significantly more prevalent in men. Stereological analysis indicated lower portions of acini and higher portions of connective tissue and fat, as well as a more pronounced age-related progression of degenerative changes in female samples. CONCLUSION Female lacrimal glands are more susceptible to degeneration, and this susceptibility could play an important role in the higher incidence of dry eye disease in older women. A further stereological analysis using more samples from younger age groups is needed to elucidate age-related and sex-related differences in the structure of the human lacrimal gland and their impact on dry eye disease.
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Affiliation(s)
- Koraljka Hat
- Koraljka Hat, Department of Maxillofacial and Oral Surgery, University Hospital Dubrava, Avenija Gojka Šuška 6, 10000, Zagreb, Croatia,
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15
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Gao M, Zhao L, Liang R, Zhu Q, Zhao Q, Kong X. Evaluation of the Efficacy and Safety of Topical 0.05% Cyclosporine Eye Drops (II) in the Treatment of Dry Eye Associated with Primary Sjögren's Syndrome. Ocul Immunol Inflamm 2023; 31:1662-1668. [PMID: 35914303 DOI: 10.1080/09273948.2022.2094812] [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: 01/13/2022] [Accepted: 06/20/2022] [Indexed: 10/16/2022]
Abstract
PURPOSE To evaluate the efficacy and safety of 0.05% cyclosporine eye drops (II) for the treatment of primary Sjögren's syndrome-associated dry eye (PSSDE). METHODS Sixty patients with PSSDE were randomly divided into three groups, received treatment with 0.05% cyclosporine (C group), artificial tears (S group) or their combination (CS group). The evaluation indicators were evaluated at baseline and at weeks 2, 4 and 12. RESULTS The symptoms of C and CS groups were reduced significantly. The signs [schirmer I test (F = 4.838, p = .011), ocular staining score (F = 7.961, p = .001) and tear break-up time (F = 9.283, p < .001)] were significantly different between S and C groups as well as S and CS groups. The tear meniscus height (F = 3.197, p = .048) was significantly different between S and CS groups. No serious adverse events occurred. CONCLUSION 0.05% cyclosporine is an effective and safe treatment for patients with PSSDE.
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Affiliation(s)
- Mingjun Gao
- Department of Ophthalmology, Dalian Medical University, Dalian, China
| | - Lin Zhao
- Department of Rheumatology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Ran Liang
- Department of Ophthalmology, Dalian Medical University, Dalian, China
| | - Qing Zhu
- Department of Ophthalmology, Dalian Medical University, Dalian, China
| | - Qi Zhao
- Department of Ophthalmology, The Second Hospital of Dalian Medical University, Dalian, China
| | - Xiaodan Kong
- Department of Rheumatology, The Second Hospital of Dalian Medical University, Dalian, China
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16
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Vergés C, Giménez-Capitán A, Ribas V, Salgado-Borges J, March de Ribot F, Mayo-de-Las-Casas C, Armiger-Borras N, Pedraz C, Molina-Vila MÁ. Gene expression signatures in conjunctival fornix aspirates of patients with dry eye disease associated with Meibomian gland dysfunction. A proof-of-concept study. Ocul Surf 2023; 30:42-50. [PMID: 37524297 DOI: 10.1016/j.jtos.2023.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/26/2023] [Accepted: 07/28/2023] [Indexed: 08/02/2023]
Abstract
BACKGROUND Meibomian gland dysfunction (MGD) is one of the most common conditions in ophthalmic practice and the most frequent cause of evaporative dry eye disease (DED). However, the immune mechanisms leading to this pathology are not fully understood and the diagnostic tests available are limited. Here, we used the nCounter technology to analyze immune gene expression in DED-MGD that can be used for developing diagnostic signatures for DED. METHODS Conjunctival cell samples were obtained by aspiration from patients with DED-MGD (n = 27) and asymptomatic controls (n = 22). RNA was purified, converted to cDNA, preamplified and analyzed using the Gene Expression Human Immune V2 panel (NanoString), which includes 579 target and 15 housekeeping genes. A machine learning (ML) algorithm was applied to design a signature associated with DED-MGD. RESULTS Forty-five immune genes were found upregulated in DED-MGD vs. controls, involved in eight signaling pathways, IFN I/II, MHC class I/II, immunometabolism, B cell receptor, T Cell receptor, and T helper-17 (Th-17) differentiation. Additionally, statistically significant correlations were found between 31 genes and clinical characteristics of the disease such as lid margin or tear osmolarity (Pearson's r < 0.05). ML analysis using a recursive feature elimination (RFE) algorithm selected a 4-gene mRNA signature that discriminated DED-MGD from control samples with an area under the ROC curve (AUC ROC) of 0.86 and an accuracy of 77.5%. CONCLUSIONS Multiplexed mRNA analysis of conjunctival cells can be used to analyze immune gene expression patterns in patients with DED-MGD and to generate diagnostic signatures.
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Affiliation(s)
- Carlos Vergés
- Department of Ophthalmology, Hospital Universitari Dexeus, Area Oftalmológica Avanzada, Universitat Politécnica de Catalunya, Barcelona, Spain.
| | - Ana Giménez-Capitán
- Pangaea Oncology, Laboratory of Oncology, Dexeus University Hospital, Barcelona, Spain
| | - Verónica Ribas
- Department of Ophthalmology, Hospital Universitari Dexeus, Area Oftalmológica Avanzada, Universitat Politécnica de Catalunya, Barcelona, Spain
| | - José Salgado-Borges
- Department of Ophthalmology, Hospital Universitari Dexeus, Area Oftalmológica Avanzada, Universitat Politécnica de Catalunya, Barcelona, Spain
| | - Francesc March de Ribot
- Department of Ophthalmology, Hospital Universitari Dexeus, Area Oftalmológica Avanzada, Universitat Politécnica de Catalunya, Barcelona, Spain
| | | | - Noelia Armiger-Borras
- Pangaea Oncology, Laboratory of Oncology, Dexeus University Hospital, Barcelona, Spain
| | - Carlos Pedraz
- Pangaea Oncology, Laboratory of Oncology, Dexeus University Hospital, Barcelona, Spain
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Schlegel I, De Goüyon Matignon de Pontourade CMF, Lincke JB, Keller I, Zinkernagel MS, Zysset-Burri DC. The Human Ocular Surface Microbiome and Its Associations with the Tear Proteome in Dry Eye Disease. Int J Mol Sci 2023; 24:14091. [PMID: 37762390 PMCID: PMC10531978 DOI: 10.3390/ijms241814091] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Although dry eye disease (DED) is one of the most common ocular surface diseases worldwide, its pathogenesis is incompletely understood, and treatment options are limited. There is growing evidence that complex interactions between the ocular surface microbiome (OSM) and tear fluid constituents, potentially leading to inflammatory processes, are associated with ocular surface diseases such as DED. In this study, we aimed to find unique compositional and functional features of the OSM associated with human and microbial tear proteins in patients with DED. Applying whole-metagenome shotgun sequencing of forty lid and conjunctival swabs, we identified 229 taxa, with Actinobacteria and Proteobacteria being the most abundant phyla and Propionibacterium acnes the dominating species in the cohort. When DED patients were compared to controls, the species Corynebacterium tuberculostearicum was more abundant in conjunctival samples, whereas the family Propionibacteriaceae was more abundant in lid samples. Functional analysis showed that genes of L-lysine biosynthesis, tetrapyrrole biosynthesis, 5-aminoimidazole ribonucleotide biosynthesis, and the super pathway of L-threonine biosynthesis were enriched in conjunctival samples of controls. The relative abundances of Acinetobacter johnsonii correlated with seven human tear proteins, including mucin-16. The three most abundant microbial tear proteins were the chaperone protein DnaK, the arsenical resistance protein ArsH, and helicase. Compositional and functional features of the OSM and the tear proteome are altered in patients with DED. Ultimately, this may help to design novel interventional therapeutics to target DED.
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Affiliation(s)
- Irina Schlegel
- Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (I.S.); (C.M.F.D.G.M.d.P.); (J.-B.L.); (M.S.Z.)
| | | | - Joel-Benjamin Lincke
- Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (I.S.); (C.M.F.D.G.M.d.P.); (J.-B.L.); (M.S.Z.)
| | - Irene Keller
- Department for BioMedical Research, University of Bern, 3010 Bern, Switzerland;
- Interfaculty Bioinformatics Unit and Swiss Institute of Bioinformatics, University of Bern, 3012 Bern, Switzerland
| | - Martin S. Zinkernagel
- Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (I.S.); (C.M.F.D.G.M.d.P.); (J.-B.L.); (M.S.Z.)
- Department for BioMedical Research, University of Bern, 3010 Bern, Switzerland;
| | - Denise C. Zysset-Burri
- Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (I.S.); (C.M.F.D.G.M.d.P.); (J.-B.L.); (M.S.Z.)
- Department for BioMedical Research, University of Bern, 3010 Bern, Switzerland;
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18
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Coco G, Ambrosini G, Poletti S, Meliante LA, Taloni A, Scorcia V, Giannaccare G. Recent advances in drug treatments for dry eye disease. Expert Opin Pharmacother 2023; 24:2059-2079. [PMID: 37804227 DOI: 10.1080/14656566.2023.2269090] [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: 07/04/2023] [Accepted: 10/06/2023] [Indexed: 10/09/2023]
Abstract
INTRODUCTION Dry eye disease (DED) is a common ocular condition with a significant impact on patients' quality of life. Conventional treatments include behavioral changes, tear substitutes, and anti-inflammatory agents; however, recent advances in the understanding of DED pathogenesis have opened the way to the development of novel treatment strategies able to target several pathways involved in the onset and persistence of DED. AREAS COVERED Literature search was conducted on PubMed and Scopus around the term 'dry eye disease' and others involving its pathophysiology and therapeutic strategy. The primary focus was on recent drugs approved by FDA or under investigation in phase 3 clinical trials. Google and ClinicalTrials.gov were used for obtaining information about the status of FDA approval and ongoing clinical trials. EXPERT OPINION Due to its multifaced pathogenesis, DED management is often challenging, and patients' needs are frequently unmet. Recently, several novel treatments have been either FDA-approved or studied in late-phase trials. These novel drugs target-specific biological components of the ocular surface and reduce inflammation and ocular pain. Additionally, new drug delivery systems allow for increased bioavailability, improve effective dosing, and minimize ocular side effects. These advances in drug therapies show real promise for better management of DED patients.
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Affiliation(s)
- Giulia Coco
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Giacomo Ambrosini
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Silvia Poletti
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Laura Antonia Meliante
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Andrea Taloni
- Department of Ophthalmology, University of Magna Græcia, Catanzaro, Italy
| | - Vincenzo Scorcia
- Department of Ophthalmology, University of Magna Græcia, Catanzaro, Italy
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19
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Woodward R, Konda SM, Grewal DS. Autoimmune Inflammatory Eye Disease: Demystifying Clinical Presentations for the Internist. Curr Allergy Asthma Rep 2023; 23:471-479. [PMID: 37436637 DOI: 10.1007/s11882-023-01088-9] [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] [Accepted: 04/27/2023] [Indexed: 07/13/2023]
Abstract
PURPOSE OF REVIEW Provide a framework for recognizing key symptoms and clinical findings in patients with autoimmune inflammatory eye disease. RECENT FINDINGS The most common manifestations of autoimmune inflammatory eye disease are episcleritis, scleritis, uveitis (anterior, intermediate, posterior, and panuveitis), and keratoconjunctivitis sicca. Etiologies can be idiopathic or in association with a systemic autoimmune condition. Referral of patients who may have scleritis is critical for patients presenting with red eyes. Referral of patients who may have uveitis is critical for patients presenting often with floaters and vision complaints. Attention should also be directed to aspects of the history that might suggest a diagnosis of a systemic autoimmune condition, immunosuppression, drug-induced uveitis, or the possibility of a masquerade condition. Infectious etiologies should be ruled out in all cases. Patients with autoimmune inflammatory eye disease may present with ocular or systemic symptoms alone, or in combination. Collaboration with ophthalmologists and other relevant specialists is vital to optimal long-term medical care.
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Affiliation(s)
- Richmond Woodward
- Department of Ophthalmology, Duke University School of Medicine, 2351 Erwin Road, Durham, NC, 27701, USA
| | - Sri Meghana Konda
- Department of Ophthalmology, Duke University School of Medicine, 2351 Erwin Road, Durham, NC, 27701, USA
| | - Dilraj S Grewal
- Department of Ophthalmology, Duke University School of Medicine, 2351 Erwin Road, Durham, NC, 27701, USA.
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20
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Compagnone A, Matheeussen A, De Vooght L, Cos P. Development and validation of a multiplex electrochemiluminescence immunoassay to evaluate dry eye disease in rat tear fluids. Sci Rep 2023; 13:12203. [PMID: 37500810 PMCID: PMC10374623 DOI: 10.1038/s41598-023-39397-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 07/25/2023] [Indexed: 07/29/2023] Open
Abstract
Dry eye disease (DED) is a challenge in ophthalmology. Rat models represent valuable tools to study the pathophysiology and to develop novel treatments. A major challenge in DED research is detecting multiple biomarkers in a low tear volume sample. Multiplex immunoassays for DED rat research are missing. We have developed a multiplex electrochemiluminescence immunoassay (ECLIA) to detect three biomarkers for DED: MMP-9, IL-17 and ICAM-1. Tears, used as matrix, were collected from six healthy Wistar rats. Assays were run based on the U-Plex Meso Scale Diagnostics (MSD) platform, by two independent operators according to the EMA guideline on bioanalytical method validation. Linear mixed, regression models were fit to perform the statistical analysis on the range of concentrations for the chosen analytes. During optimization, it has observed that incubation time, temperature and agitation affected the robustness of the protocol. ECLIA optimum conditions include the use of antibodies at 0.5 µg/ml concentration and 1 h incubation at room temperature with shaking. Precision met the acceptance criteria in the chosen range: 1062-133 pg/ml for ICAM-1, 275-34.4 pg/ml for IL-17, 1750-219 pg/ml for MMP-9. Accuracy and linearity were acceptable for a broader range. This is the first report of a validated ECLIA that allows measurements of three relevant DED biomarkers in rat tear fluids.
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Affiliation(s)
- Agnese Compagnone
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Department of Pharmaceutical Sciences, University of Antwerp, Campus Drie Eiken D.S.723, FFBD-FDFAR-LMPH, Universiteitsplein 1, 2610, Wilrijk, Antwerp, Belgium.
| | - An Matheeussen
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Department of Pharmaceutical Sciences, University of Antwerp, Campus Drie Eiken D.S.723, FFBD-FDFAR-LMPH, Universiteitsplein 1, 2610, Wilrijk, Antwerp, Belgium
| | - Linda De Vooght
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Department of Pharmaceutical Sciences, University of Antwerp, Campus Drie Eiken D.S.723, FFBD-FDFAR-LMPH, Universiteitsplein 1, 2610, Wilrijk, Antwerp, Belgium
| | - Paul Cos
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH), Department of Pharmaceutical Sciences, University of Antwerp, Campus Drie Eiken D.S.723, FFBD-FDFAR-LMPH, Universiteitsplein 1, 2610, Wilrijk, Antwerp, Belgium
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21
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Alhalwani AY, Abudawood K, Qadizadah ABEA, Jambi S, Sannan NS. Immunoglobulin A levels and its correlation with neutrophil-to-lymphocyte ratio as inflammatory biomarkers for dry eye disease in type 2 diabetes: a retrospective study. Front Immunol 2023; 14:1184862. [PMID: 37520541 PMCID: PMC10375287 DOI: 10.3389/fimmu.2023.1184862] [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: 03/12/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023] Open
Abstract
Background The neutrophil-to-lymphocyte ratio (NLR) and immunoglobulin A (IgA) level are commonly used as biomarkers for inflammation. Patients with type 2 diabetes (T2D) may experience an imbalance of tear film and inflammation, which can result in dry eye disease (DED). This study aimed to assess the levels of IgA and explore its correlation with the NLR as potential inflammatory biomarkers for dry eye disease in patients with T2D. Methods A retrospective study was conducted at the cornea clinic and diabetes centre of King Abdulaziz Medical City (Jeddah, Saudi Arabia). The study included patients with DED and the number of available T2D-DED patients determined the sample size. Neutrophil, lymphocyte, IgA and CRP (C-reactive protein) laboratory values were obtained from medical records and correlational analyses were performed. Results The study included 85 patients with an average age of 54 ± 14.4 years for the DED group (n=32) and 62 ± 13.9 years for the T2D-DED group (n=53). The age difference between the two groups was statistically significant (p 0.0001). The NLR values of the T2D-DED and DED groups were 3.203 ± 0.66 and 2.406 ± 0.46, respectively, with no significant difference (p<0.285). Similarly, there were no significant differences in neutrophil and lymphocyte values between the two groups. The IgA levels showed no significant variation between T2D-DED and DED groups (p<0.364). Spearman's correlation analysis in the DED group showed a significant negative correlation between IgA and lymphocyte (p=0.011; r= - 0.471) values and significant positive correlations between IgA and neutrophil (p=0.014; r=0.309) and NLR (p=0.052; r= - 0.283) values. In the T2D-DED group, a significant correlation was found between IgA and CRP values (p=0.032; r=0.33). Conclusion Although diabetic patients may exhibit higher levels of NLR and IgA that correlate with disease severity, our study did not find significant differences in NLR and IgA values between the two groups. These findings may guide future research and enhance understanding of the disease's underlying mechanisms.
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Affiliation(s)
- Amani Y. Alhalwani
- College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- Department of Biomedical Research, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
| | - Khulud Abudawood
- Department of Biomedical Research, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- College of Nursing, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | | | - Shatha Jambi
- Department of Biomedical Research, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- College of Applied Medical Sciences, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Naif S. Sannan
- Department of Biomedical Research, King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
- College of Applied Medical Sciences, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
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22
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Liu Y, Feng J, Ren Y, Shi W, Kang H, Peng Y, Tan Y, Wu R, Zhang G, He Y. Ocular surface involvement and histopathologic changes in the acute stage of Stevens-Johnson syndrome and toxic epidermal necrolysis: a cross-sectional study. BMC Ophthalmol 2023; 23:297. [PMID: 37400766 DOI: 10.1186/s12886-023-03052-7] [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: 11/22/2022] [Accepted: 06/19/2023] [Indexed: 07/05/2023] Open
Abstract
BACKGROUND Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare and extremely serious drug-induced dermatological disorders. The ocular surface condition at the early stage has been little studied and should contribute to novel perspectives in early and effective topical therapy of these diseases. The objectives of the study were to evaluate the acute phase of ocular surface involvement and histopathologic changes in patients with acute SJS/TEN. METHODS Ten patients with acute phase of SJS/TEN onset and eleven age- and sex-matched healthy volunteers were recruited. Ocular surface symptoms and signs, conjunctival impression cytology, and tear multi-cytokine were assessed. RESULTS Ocular surface objective signs were normal at the acute stage of SJS/TEN, while most patients have abnormal ocular surface subjective symptoms and meibomian gland secretion. Conjunctival impression cytology showed a significant decrease in goblet cell density and severe ocular surface squamous metaplasia in acute SJS/TEN patients. Tear multi-cytokine analysis showed all 21 pro- and anti-inflammatory cytokines all sharply elevated. Goblet cell density was significantly negatively correlated with tear C-X3-C motif chemokine ligand 1 (CX3CL1) and interleukin 13. CONCLUSIONS Severe pathologic squamous metaplasia and inflammation onset in the ocular surface at the acute stage of the SJS/TEN, even if the ocular surface condition seemed basically normal with adequate systemic immunosuppressant and general supportive treatment. Early topical anti-inflammatory therapy should be carried out actively.
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Affiliation(s)
- Yingyi Liu
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Jianing Feng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
- Xi'an People's Hospital (Xi'an Fourth Hospital), Shaanxi Eye Hospital, Northwest University Affiliated People's Hospital, Xi'an, Shaanxi Province, China
| | - Yuerong Ren
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Wen Shi
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Huanmin Kang
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yingqian Peng
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China
| | - Yixin Tan
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ruifang Wu
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guiying Zhang
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yan He
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
- Hunan Clinical Research Center of Ophthalmic Disease, Changsha, Hunan, China.
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23
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Levine H, Tovar A, Cohen AK, Cabrera K, Locatelli E, Galor A, Feuer W, O'Brien R, Goldhagen BE. Automated identification and quantification of activated dendritic cells in central cornea using artificial intelligence. Ocul Surf 2023; 29:480-485. [PMID: 37385344 DOI: 10.1016/j.jtos.2023.06.001] [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: 09/13/2022] [Revised: 05/17/2023] [Accepted: 06/02/2023] [Indexed: 07/01/2023]
Abstract
PURPOSE To validate an algorithm quantifying activated dendritic cells (aDCs) using in-vivo confocal microscopy (IVCM) images. METHODS IVCM images obtained at the Miami Veterans Affairs Hospital were retrospectively analyzed. ADCs were quantified both with an automated algorithm and manually. Intra-class-correlation (ICC) and a Bland-Altman plot were used to compare automated and manual counts. As a secondary analysis, individuals were grouped by Dry Eye (DE) subtype: 1) aqueous-tear deficiency (ATD; Schirmer's test ≤5 mm); 2) evaporative DE (EDE; TBUT≤5s); or 3) control (Schirmer's test>5 mm; TBUT>5s) and ICCs were re-examined. RESULTS 173 non-overlapping images from 86 individuals were included in this study. The mean age was 55.2 ± 16.7 years; 77.9% were male; 20 had ATD; 18 EDE and 37 were controls. The mean number of aDCs in the central cornea quantified automatically was 0.83 ± 1.33 cells/image and manually was 1.03 ± 1.65 cells/image. A total of 143 aDCs were identified by the automated algorithm and 178 aDCs were identified manually. While a Bland-Altman plot indicated a small difference between the two methods (0.19, p < 0.01), the ICC of 0.80 (p = 0.01) demonstrated excellent agreement. Secondarily, similar results were found by DE type with an ICC of 0.75 (p = 0.01) for the ATD group, 0.80 (p = 0.01) for EDE, and 0.82 (p = 0.01) for controls. CONCLUSIONS Quantification of aDCs within the central cornea may be successfully estimated using an automated machine learning based algorithm. While this study suggests that analysis using artificial intelligence has comparable results with manual quantification, further longitudinal research to validate our findings in more diverse populations may be warranted.
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Affiliation(s)
- Harry Levine
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - Arianna Tovar
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - Adam K Cohen
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - Kimberly Cabrera
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - Elyana Locatelli
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - Anat Galor
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA
| | - William Feuer
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Robert O'Brien
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Brian E Goldhagen
- Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, 33136, USA; Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA.
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24
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Park JG, Lee BH, Na JH, Jung JH, Song CH. Optimal acupuncture protocol improving symptoms of typical dry eye syndrome: meta-analysis and systematic review. Heliyon 2023; 9:e18226. [PMID: 37539212 PMCID: PMC10395481 DOI: 10.1016/j.heliyon.2023.e18226] [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: 11/27/2022] [Revised: 06/15/2023] [Accepted: 07/12/2023] [Indexed: 08/05/2023] Open
Abstract
Previous meta-analyses have shown a superiority of acupuncture over artificial tear for treating typical dry eye syndrome (DES). However, given that the acupuncture protocols were quite diverse in the randomized controlled trials (RCTs) included in the meta-analyses, it is necessary to establish the acupuncture guidelines. Thus, the optimal acupuncture protocol involved in improvements of tear-film breakup time (BUT) or Schirmer tear test (STT) was examined by meta-analyses for RCTs in patients with typical DES. Eight databases until Jun 2018 were searched for 21 RCTs (n = 1542 eyes) comparing effectiveness of acupuncture versus artificial tear control. Indirect comparison of Bucher analysis was used to find specific acupoints (SAPs) improving BUT or STT by comparing the outcomes between subgroups of the RCTs including and excluding certain SAPs. Meta-analysis was examined for the outcomes in subgroups of the RCTs based on the number of SAPs, and network meta-analysis was for multiple pairwise comparisons across the protocols using the SAPs to yield relative effects. The Bucher analyses identified nine SAPs with positive effects on BUT or STT, and the positive relations of two SAPs involved in improvements of both BUT and STT suggested potential combinations of three ('KI3-LI4-SP6' or 'KI3-GB14-ST2') or four SAPs ('KI3-BL1-EX-HN7-SP6'). Subgroup meta-analyses showed the SAP-depending improvements of BUT or STT in the subgroups including more than three SAPs, compared with the artificial tear control. Meta-regression and network meta-analyses revealed significant correlations between the number of SAPs and the improvements of BUT and STT, and demonstrated that acupuncture using four SAPs for 21-30 days, particularly at two-three times per week, can be optimal for improving the symptoms of typical DES. These results provide useful information for guiding acupuncture in clinical trials for DES.
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Affiliation(s)
- Joon-Gon Park
- College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
| | - Bong Hyo Lee
- College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
- Department of Acupuncture, Moxibustion and Acupoint, College of Korean Medicine, Daegu Haany University, Daegu, 42158, Republic of Korea
| | - Ji-Ho Na
- College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
| | - Ji-Hyeo Jung
- College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
| | - Chang-Hyun Song
- College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
- Department of Anatomy and Histology, College of Korean Medicine, Daegu Haany University, Gyeongsan, 38610, Republic of Korea
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Priani D, Muhiddin HS, Sirajuddin J, Eka HB, Bahar B, Bukhari A. Effectiveness of Topical Cyclosporin-A 0.1% Compared to Combined Topical Cyclosporin-A 0.1% with Topical Sodium Hyaluronate on Interleukin-6 Levels in the Tears of Patients with Dry Eye Disease. Vision (Basel) 2023; 7:vision7020031. [PMID: 37092464 PMCID: PMC10123752 DOI: 10.3390/vision7020031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/15/2023] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
Introduction: Pro-inflammatory cytokines are important contributors to dry eye disease (DED). The cytokine interleukin (IL)-6 has become a therapeutic target in several DED drug studies. This randomized controlled trial aimed to determine the effectiveness of topical cyclosporin-A 0.1% compared to the combination of topical cyclosporin-A 0.1% and sodium hyaluronate in reducing tear IL-6 levels in DED patients. Methods: The participants were 20 patients, each with two eyes, who had moderate-to-severe DED. Before and after treatment, the clinical degree of DED was examined in each group, using ocular surface disease index (OSDI) scores, tear break-up time (TBUT), fluorescent tests, and Schirmer I tests. In addition, tear samples were taken to examine IL-6 levels through the ELISA method. The results were analyzed using the t-test, Wilcoxon test, and Mann–Whitney test. The correlation between tear IL-6 levels and the severity of DED was analyzed using the Spearman correlation test. Results: The study showed a significantly lower tear IL-6 level, OSDI score, and degree of ocular staining after either topical cyclosporin-A 0.1% or a combination of topical cyclosporin-A 0.1% and sodium hyaluronate (all values p < 0.05). Conclusions: The combination therapy was superior in reducing tear IL-6 levels. In addition, a correlation existed between tear IL-6 levels and the severity of DED based on the TBUT, although it was weak and not statistically significant.
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Affiliation(s)
- Desti Priani
- Department of Ophthalmology, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
- Hasanuddin University Hospital, Makassar 90245, Indonesia
| | - Habibah S. Muhiddin
- Department of Ophthalmology, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
- Hasanuddin University Hospital, Makassar 90245, Indonesia
| | - Junaedi Sirajuddin
- Department of Ophthalmology, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
- Hasanuddin University Hospital, Makassar 90245, Indonesia
| | - Hasnah B. Eka
- Department of Ophthalmology, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
- Hasanuddin University Hospital, Makassar 90245, Indonesia
| | - Burhanuddin Bahar
- Department of Public Health Medicine, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
| | - Agussalim Bukhari
- Department of Clinical Nutrition, Faculty of Medicine, Hasanuddin University, Makassar 90245, Indonesia
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Roy NS, Wei Y, Ying GS, Maguire MG, Asbell PA. Association of Tear Cytokine Concentrations with Symptoms and Signs of Dry Eye Disease: Baseline Data from the Dry Eye Assessment and Management (DREAM) Study. Curr Eye Res 2023; 48:339-347. [PMID: 36632643 PMCID: PMC10252992 DOI: 10.1080/02713683.2022.2162088] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/12/2022] [Accepted: 12/19/2022] [Indexed: 01/13/2023]
Abstract
PURPOSE To describe tear concentrations of IL-1β, Il-6, IL-8, IL-10, IL-17A, IFNγ and TNFα in tears, collected by microcapillaries, and their correlation with symptoms and signs in subjects with dry eye disease (DED) in the DREAM Study. METHODS Cytokine levels of patients with moderate to severe DED were determined using a magnetic bead assay. Scores for Ocular Surface Disease Index, corneal and conjunctival staining, tear break-up time (TBUT), and Schirmer's test were obtained using standardized procedures. Associations of cytokines with each other and signs/symptoms were assessed with Spearman correlation coefficients (r). RESULTS Assay results from 131 patient samples from 10 sites with tear volumes ≥ 4 ul were analyzed. Cytokine concentrations did not correlate with each other in a generally acknowledged pro-inflammatory/anti-inflammatory pattern, such as proinflammatory IL-17A and IFNγ were not inversely correlated to anti-inflammatory cytokine IL-10, and cytokines did not correlate with DED symptoms. Lower corneal staining was correlated with higher concentrations of IL-17A (r= -0.24, p = 0.006), IL-10 (r= -0.25, p = 0.005) and IFNγ (r= -0.33, p = 0.0001). Higher concentrations of IFNγ were associated with lower conjunctival staining (r= -0.18, p = 0.03). Higher concentrations of IL-17A were associated with higher TBUT scores (r = 0.19 p = 0.02). CONCLUSIONS Cytokines IL-10, IL-17A and IFNγ were highly correlated with each other but weakly correlated with some DED signs. No key cytokines or definitive expression patterns were identified in this study of moderate to severe DED patients. Further studies addressing various biases, including methodological and sampling biases, and standardization of methodology for inter-laboratory consistency are needed to confirm and establish pathological and clinical relevance of tear cytokines in DED.
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Affiliation(s)
- Neeta S Roy
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Yi Wei
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Gui-Shuang Ying
- Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Maureen G Maguire
- Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Penny A Asbell
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN, USA
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Williams LD, Zis P. COVID-19-Related Burning Eye Syndrome and Burning Mouth Syndrome: A Systematic Review and Meta-analysis. Pain Ther 2023; 12:621-630. [PMID: 36917411 PMCID: PMC10012304 DOI: 10.1007/s40122-023-00492-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/20/2023] [Indexed: 03/16/2023] Open
Abstract
BACKGROUND Previous research highlights burning eye syndrome (BES) and burning mouth syndrome (BMS) as chronic complications of COVID-19 infection. The aim of this systematic review and meta-analysis is to establish the prevalence of COVID-19-related BES and COVID-19-related BMS and describe their phenomenology. METHODOLOGY A literature search in the PubMed database was performed, and seven papers (five on BES and two on BMS) were eligible to be included in this systematic review and meta-analysis. RESULTS The pooled prevalence of COVID-19-related BES was 9.9% (95% CI 3.4-25.4%). The frequency of COVID-19-related BMS is only reported in isolated cases and ranges from 4% in mild-to-moderate cases to 15% in severe, hospitalized cases, with female patients being mostly affected. COVID-19 severity is a potential risk factor for both BES and BMS. Neither syndrome occurs in isolation. COVID-19-related BES usually appears within the first week post-infection, persisting up to 9 weeks later. COVID-19-related BMS occurs during and after initial infection, and may also persist as a chronic disease. CONCLUSIONS Both BES and BMS are neuropathic COVID-19 infection complications, still under-studied and under-investigated, despite the fact that both are prevalent. Both COVID-19-related BES and COVID-19-related BMS could potentially be initial long COVID syndrome manifestations, and further research should be carried out in this field.
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Affiliation(s)
| | - Panagiotis Zis
- Medical School, University of Sheffield, Sheffield, UK. .,Medical School, University of Cyprus, Nicosia, Cyprus. .,Second Department of Neurology, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece.
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Perez VL, Mah FS, Willcox M, Pflugfelder S. Anti-Inflammatories in the Treatment of Dry Eye Disease: A Review. J Ocul Pharmacol Ther 2023; 39:89-101. [PMID: 36796014 DOI: 10.1089/jop.2022.0133] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Inflammation is an important driver of dry eye disease (DED) pathogenesis. An initial insult that results in the loss of tear film homeostasis can initiate a nonspecific innate immune response that leads to a chronic and self-sustaining inflammation of the ocular surface, which results in classic symptoms of dry eye. This initial response is followed by a more prolonged adaptive immune response, which can perpetuate and aggravate inflammation and result in a vicious cycle of chronic inflammatory DED. Effective anti-inflammatory therapies can help patients exit this cycle, and effective diagnosis of inflammatory DED and selection of the most appropriate treatment are therefore key to successful DED management and treatment. This review explores the cellular and molecular mechanisms of the immune and inflammatory components of DED, and examines the evidence base for the use of currently available topical treatment options. These agents include topical steroid therapy, calcineurin inhibitors, T cell integrin antagonists, antibiotics, autologous serum/plasma therapy, and omega-3 fatty acid dietary supplements.
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Affiliation(s)
- Victor L Perez
- Department of Ophthalmology, Foster Center for Ocular Immunology at Duke Eye Center, Duke University School of Medicine, Durham, North Carolina. USA
| | - Francis S Mah
- Scripps Clinic Torrey Pines, La Jolla, California, USA
| | - Mark Willcox
- School of Optometry and Vision Science, UNSW Sydney, Sydney, New South Wales, Australia
| | - Stephen Pflugfelder
- Department of Ophthalmology, Baylor College of Medicine, Houston, Texas, USA
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Bhargava S, Panda R, Azam AM, Sheppard JD. A review of dry eye disease therapies: exploring the qualities of varenicline solution nasal spray. EXPERT REVIEW OF OPHTHALMOLOGY 2023. [DOI: 10.1080/17469899.2023.2173173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Siddharth Bhargava
- Eastern Virginia Medical School, Department of Ophthalmology, Norfolk, Virginia
| | - Ranjani Panda
- Virginia Eye Consultants, and Eyecare Partners Practice, Norfolk, Virginia
| | - Asma M Azam
- Eastern Virginia Medical School, Department of Ophthalmology, Norfolk, Virginia
| | - John D Sheppard
- Eastern Virginia Medical School, Department of Ophthalmology, Norfolk, Virginia
- Virginia Eye Consultants, and Eyecare Partners Practice, Norfolk, Virginia
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Rojas-Carabali W, Mejía-Salgado G, Cifuentes-González C, Villabona-Martínez V, Barraquer-López ND, Valdés-Arias D, de-la-Torre A. Clinical relationship between dry eye disease and uveitis: a scoping review. J Ophthalmic Inflamm Infect 2023; 13:2. [PMID: 36715869 PMCID: PMC9886213 DOI: 10.1186/s12348-022-00323-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 12/26/2022] [Indexed: 01/31/2023] Open
Abstract
This scoping review examined the relationship between Dry Eye Disease (DED) and Uveitis. We searched Pubmed, Embase, and LILACS databases for articles in which at least one patient had DED and uveitis concomitantly. The search produced 2381 records, and 24 studies were included in the qualitative synthesis. We concluded that DED and uveitis of any etiology could appear concomitantly in patients of any age. However, both diseases seem to coexist more frequently in middle-aged women and cases of anterior uveitis. Therefore, it is crucial that ophthalmologists actively look for the coexistence of ocular surface abnormalities, especially in patients with these characteristics. Future studies should establish and quantify the risk factors and pathophysiological mechanisms of this coexistence to achieve an early diagnosis of both etiologies and comprehensive management of these patients.
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Affiliation(s)
- William Rojas-Carabali
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Germán Mejía-Salgado
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia ,grid.412191.e0000 0001 2205 5940Ophthalmology Interest Group, Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Carlos Cifuentes-González
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia ,grid.412191.e0000 0001 2205 5940Ophthalmology Interest Group, Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Valeria Villabona-Martínez
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Nicolás Doménico Barraquer-López
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia ,grid.412191.e0000 0001 2205 5940Ophthalmology Interest Group, Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - David Valdés-Arias
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
| | - Alejandra de-la-Torre
- grid.412191.e0000 0001 2205 5940Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), School of Medicine and Health Sciences, Universidad del Rosario, Bogotá, Colombia
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Dry Eye Disease: What Is the Role of Vitamin D? Int J Mol Sci 2023; 24:ijms24021458. [PMID: 36674972 PMCID: PMC9860626 DOI: 10.3390/ijms24021458] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 01/13/2023] Open
Abstract
Dry eye disease (DED) is a multifactorial condition resulting from reduced tear secretion from the lacrimal glands, increased tear water evaporation or the production of poor-quality tears. Such tear instability can lead to inflammation and damage of the ocular surface, as well as to abnormal nociception. Historically, tear substitutes and corticosteroids have been the bastion of DED therapy, but a substantial number of patients still suffer from residual symptoms even after being treated with traditional treatments. Aiming to find safe and effective alternative therapies, recent efforts have been focused on the role of vitamin D in the cellular physiology of the eye. Possibly because of its positive effect in modulating the immune and inflammatory responses, the systemic supplementation of vitamin D seems, indeed, to be an effective therapeutic strategy, especially, but not only, for patients affected by DED that does not respond to conventional treatments. In this context, this review focuses on the literature reporting on the pathogenesis and treatment of DED, with a special emphasis on the recent investigations reporting on the potential role of the systemic administration of vitamin D as a therapeutic approach in the management of such condition.
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Influence of Light-EmittingDiode-Derived Blue Light Overexposure on Rat Ocular Surface. J Ophthalmol 2023; 2023:1097704. [PMID: 36660316 PMCID: PMC9845051 DOI: 10.1155/2023/1097704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 09/23/2022] [Accepted: 11/26/2022] [Indexed: 01/12/2023] Open
Abstract
We aim to investigate the effect of overexposure to blue light on the rat ocular surface and explore the potential mechanisms. 450 nm light-emitting diode (LED) derived light at 1000 lux was used to irradiate SD rats, 12 hours a day, for consecutive 28 days. Rats in the control group were exposed to 400 lux white light at the same time (in an indoor environment). Tear film breakup time (TBUT), tear volume, and corneal fluorescein staining scores were used to measure the changes to the ocular surface. Expressions of nuclear factor-κB (NF-κB), inhibitor-κB (I-κB), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) were measured by real-time PCR, and the activation of the NF-κB pathway was detected by Western blotting, respectively. Cornea ultrastructure was examined by TEM and optical microscope on day 28. Pyrrolidine dithiocarbamate (PDTC), an inhibitor of NF-κB signaling pathway, was used to measure the inhibition of blue light injury. The above indexes were detected again when compared with the solvent-treated group. On day 28, compared with day 0, the TBUT of the blue light group was significantly shorter, and the score was significantly higher. The amount of tear secretion changed slightly with time. HE and PAS staining revealed significantly decreased corneal epithelial cell layers and increased goblet cells after 28-day irradiation of blue light. Disarranged stromal cells, vacuoles in the basal nuclei, and decreased desmosomes were also found in the blue light group. Significantly increased levels of NF-κB, IL-6, TNF-α, and the ratio of phosphorylated NF-κB p65 (pNF-κB p65) to total NF-κB p65 implied blue light-induced damage and pathway activation. In addition, PDTC significantly reduced the phosphorylation of NF-κB activated in blue light-treated corneas and alleviated the ocular surface changes caused by blue light. Finally, our results demonstrated that long-term blue light exposure in rats could cause ocular surface changes and manifest as dry eye. Inflammation and activation of the NF-κB pathway may play a role in the pathogenesis.
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Hu Z, Wang T. Beyond skin white spots: Vitiligo and associated comorbidities. Front Med (Lausanne) 2023; 10:1072837. [PMID: 36910477 PMCID: PMC9995999 DOI: 10.3389/fmed.2023.1072837] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 02/07/2023] [Indexed: 02/25/2023] Open
Abstract
Vitiligo is a common depigmentation disorder of an unknown origin characterized by the selective loss of melanocytes, resulting in typical white macules and patches. However, vitiligo is now recognized as more than just a skin disease, what a dermatologist observes as a white spot of skin is just the "tip of the iceberg" of the condition. We attempt to clarify the classification of comorbidities associated with vitiligo from various reviews and reports, and describe their possible pathogenesis. In conclusion, the literature provides evidence of an association between vitiligo and ocular and auditory abnormalities, autoimmune disorders, other dermatological diseases, metabolic syndrome and related disorders, and psychological diseases. These associations highlight the importance of a multidisciplinary approach in managing vitiligo patients.
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Affiliation(s)
- Zhonghui Hu
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
| | - Tao Wang
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Beijing, China
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Sekhon AS, He B, Iovieno A, Yeung SN. Pathophysiology of Corneal Endothelial Cell Loss in Dry Eye Disease and Other Inflammatory Ocular Disorders. Ocul Immunol Inflamm 2023; 31:21-31. [PMID: 34678119 DOI: 10.1080/09273948.2021.1980808] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
PURPOSE Dry eye disease (DED) and other inflammatory ocular disorders have been reported to be associated with decreased corneal endothelial cell density (CECD), however the mechanism of underlying endothelial cell loss remains unknown. METHODS We conducted a comprehensive literature search of English-written publications on dry eye disease, corneal endothelial cell loss, Sjögren's syndrome, and Graft Vs Host Disease (GVHD), to review the effects of DED and other inflammatory ocular surface conditions on CECD. RESULTS A total of 78 studies were included in our study. Loss of corneal neurotrophic support, cytotoxic stress, and a heightened immune response, all of which may occur secondarily to a common causative agent such as inflammation, are major contributors to reduced CECD. CONCLUSION More studies are needed to determine how the interrelated pathways of altered corneal nerve function and upregulated expression of inflammatory activity influence corneal endothelial cell loss.
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Affiliation(s)
- Amardeep S Sekhon
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Bonnie He
- Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Alfonso Iovieno
- Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada
| | - Sonia N Yeung
- Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada
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Mesenchymal Stromal Cells-Derived Extracellular Vesicles Regulate Dendritic Cell Functions in Dry Eye Disease. Cells 2022; 12:cells12010033. [PMID: 36611828 PMCID: PMC9818747 DOI: 10.3390/cells12010033] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/11/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
We explored the therapeutic efficacy of Mesenchymal stromal cells-derived extracellular vesicles (MSC-EVs) and its inhibition of the functions of dendritic cells (DCs) in dry eye disease (DED). MSC-EVs were isolated from the culture supernatants of mesenchymal stromal cells (MSCs) and characterized. In vitro, human corneal epithelial cells (HCECs) were cultured in hyperosmotic medium to simulate the DED hyperosmotic environment and treated with MSC-EVs. Cell viability was assessed, and the expression of inflammatory cytokines was quantified. Next, we induced DED in female C57BL/6 mice and divided the mice into groups treated with either MSC-EVs or phosphate buffer solution (PBS) eye drops. Disease severity was assessed; mRNA expression of inflammatory cytokines was analyzed by RT-PCR; and Th17 cells were detected by flow cytometry. Lastly, we evaluated DCs by immunofluorescence and flow cytometric analysis to assess its amounts and maturation. MSC-EVs showed protective effects on HCECs under hyperosmotic stress in vitro, suppressing the expression of inflammatory cytokines. In vivo, mice topically treated with MSC-Evs presented reduced DED disease severity compared to PBS-treated mice. MSC-Evs downregulated the expression of inflammatory cytokines, including TNF-α, IL-6, and IL-1β, as well as the frequency of Th17 cells. Further investigation showed that MSC-EVs suppressed the increase of amounts and the maturation of DCs in DED. Changes of morphological characters of DCs were also inhibited by MSC-EVs. Our study revealed that MSC-EVs suppressed ocular surface inflammation by inhibiting DCs activation-mediated Th17 immune responses, explicating the therapeutic potential of MSC-EVs in DED and other ocular surface diseases.
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Antibiotic treatment for dry eye disease related to meibomian gland dysfunction and blepharitis – A review. Ocul Surf 2022; 26:211-221. [DOI: 10.1016/j.jtos.2022.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 08/18/2022] [Accepted: 08/30/2022] [Indexed: 11/19/2022]
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Paranjpe V, Galor A, Grambergs R, Mandal N. The role of sphingolipids in meibomian gland dysfunction and ocular surface inflammation. Ocul Surf 2022; 26:100-110. [PMID: 35973562 PMCID: PMC10259413 DOI: 10.1016/j.jtos.2022.07.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 07/17/2022] [Accepted: 07/22/2022] [Indexed: 11/26/2022]
Abstract
Inflammation occurs in response to tissue injury and invasion of microorganisms and is carried out by the innate and adaptive immune systems, which are regulated by numerous chemokines, cytokines, and lipid mediators. There are four major families of bioactive lipid mediators that play an integral role in inflammation - eicosanoids, sphingolipids (SPL), specialized pro-resolving mediators (SPM), and endocannabinoids. SPL have been historically recognized as important structural components of cellular membranes; their roles as bioactive lipids and inflammatory mediators are recent additions. Major SPL metabolites, including sphingomyelin, ceramide, ceramide 1-phosphate (C1P), sphingosine, sphingosine 1-phosphate (S1P), and their respective enzymes have been studied extensively, primarily in cell-culture and animal models, for their roles in cellular signaling and regulating inflammation and apoptosis. Less focus has been given to the involvement of SPL in eye diseases. As such, the aim of this review was to examine relationships between the SPL family and ocular surface diseases, focusing on their role in disease pathophysiology and discussing the potential of therapeutics that disrupt SPL pathways.
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Affiliation(s)
- Vikram Paranjpe
- Department of Ophthalmology, New York University School of Medicine, 550 First Avenue, New York, NY, 10016, USA
| | - Anat Galor
- Miami Veterans Administration Medical Center, 1201 NW 16th St, Miami, FL, 33125, USA; Bascom Palmer Eye Institute, University of Miami, 900 NW 17th Street, Miami, FL, 33136, USA.
| | - Richard Grambergs
- Departments of Ophthalmology, Anatomy and Neurobiology, University of Tennessee Health Sciences Center, Hamilton Eye Institute, 930 Madison Avenue, Memphis, TN, 38163, USA
| | - Nawajes Mandal
- Departments of Ophthalmology, Anatomy and Neurobiology, University of Tennessee Health Sciences Center, Hamilton Eye Institute, 930 Madison Avenue, Memphis, TN, 38163, USA; Memphis VA Medical Center, Memphis, TN, 38104, USA.
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Armstrong SK, Blacklock B, Keen J, Peck FS. Successful management of a unilateral persistent epithelial defect secondary to meibomian gland dysfunction in an Irish Sports Horse using a multi‐modal treatment plan. VETERINARY RECORD CASE REPORTS 2022. [DOI: 10.1002/vrc2.496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Susan K. Armstrong
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute University of Edinburgh Edinburgh UK
| | - Ben Blacklock
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute University of Edinburgh Edinburgh UK
| | - John Keen
- The Royal (Dick) School of Veterinary Studies and the Roslin Institute University of Edinburgh Edinburgh UK
| | - Fraser S. Peck
- Ophthalmology Kent, Surrey, and Sussex Health Education London UK
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Liu Y, Wang Y, Jin X, Zhang N, Shi Y, Zhu R, Wang J, Dong Y, Zhang H. Observation of Conjunctiva-Associated Lymphoid Tissue With In Vivo Confocal Microscopy in Healthy Patients and Patients With Meibomian Gland Dysfunction. Cornea 2022; 41:1129-1136. [PMID: 34759200 PMCID: PMC9365257 DOI: 10.1097/ico.0000000000002910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/21/2021] [Accepted: 09/10/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE The purpose of this study was to assess the distribution and morphological variation of conjunctiva-associated lymphoid tissue (CALT) in healthy human subjects and patients with meibomian gland dysfunction (MGD) using laserscanningin vivo confocal microscopy. METHODS A total of 34 healthy subjects and 32 patients with MGD were enrolled. All subjects underwent a conventional examination consisting of slitlamp biomicroscopy, tear film break-up time, and the Schirmer test. In vivo microscopy was applied to analyze the morphological changes in the diffuse lymphoid layer and lymphoid follicles in CALT. Conjunctival impression cytology (CIC) of samples of patients' palpebral conjunctiva and immunofluorescence staining of CD4 and CD8 antibodies were also performed to indicate the immune response status of CALT. RESULTS In the MGD group, the density of diffuse lymphocytes ( P < 0.001), follicles ( P < 0.001), and perifollicular lymphocytes was higher ( P < 0.001) and the central reflection of the follicles was stronger ( P < 0.001) than in the control group, while there was no difference in the follicle area ( P = 0.758). Besides, diffuse lymphocyte density was correlated with telangiectasia, and follicular center reflection intensity was correlated with plugging. CIC immunofluorescence staining showed a higher percentage of CD4 + ( P < 0.001) and CD8 + ( P < 0.001) cells in the MGD group than in the control group. CONCLUSIONS Using laser scanning in vivo confocal microscopy and CIC immunofluorescence staining, we observed the activation of CALT in patients with MGD, and some CALT-related parameters correlated with the lid margin findings of patients with MGD.
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Affiliation(s)
- Yuting Liu
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Yingbin Wang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Xin Jin
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Nan Zhang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
| | - Yan Shi
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Rui Zhu
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Jingrao Wang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Yueyan Dong
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
| | - Hong Zhang
- Eye Hospital, The First Affiliated Hospital of Harbin Medical University, Harbin City, Nangang District, Heilongjiang Province, China; and
- Key Laboratory of Basic and Clinical Research of Heilongjiang Province, Heilongjiang Province, China
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Proteases and Their Potential Role as Biomarkers and Drug Targets in Dry Eye Disease and Ocular Surface Dysfunction. Int J Mol Sci 2022; 23:ijms23179795. [PMID: 36077189 PMCID: PMC9456293 DOI: 10.3390/ijms23179795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 11/29/2022] Open
Abstract
Dry eye disease (DED) is a multifactorial disorder that leads to ocular discomfort, visual disturbance, and tear film instability. DED is accompanied by an increase in tear osmolarity and ocular surface inflammation. The diagnosis and treatment of DED still present significant challenges. Therefore, novel biomarkers and treatments are of great interest. Proteases are present in different tissues on the ocular surface. In a healthy eye, proteases are highly regulated. However, dysregulation occurs in various pathologies, including DED. With this review, we provide an overview of the implications of different families of proteases in the development and severity of DED, along with studies involving protease inhibitors as potential therapeutic tools. Even though further research is needed, this review aims to give suggestions for identifying novel biomarkers and developing new protease inhibitors.
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Li JX, Tsai YY, Lai CT, Li YL, Wu YH, Chiang CC. Lifitegrast Ophthalmic Solution 5% Is a Safe and Efficient Eyedrop for Dry Eye Disease: A Systematic Review and Meta-Analysis. J Clin Med 2022; 11:5014. [PMID: 36078948 PMCID: PMC9456613 DOI: 10.3390/jcm11175014] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/22/2022] [Accepted: 08/24/2022] [Indexed: 11/25/2022] Open
Abstract
Dry eye disease (DED) is a multifactorial disease that causes ocular discomfort and visual impairment on a damaged ocular surface. Lifitegrast, a novel T-cell integrin antagonist, was approved in the United States in July 2016 as a 5% (50 mg/mL) ophthalmic solution for DED management. Currently, no meta-analysis and systemic review based on relevant studies have been conducted. This study aimed to evaluate the efficacy and safety of lifitegrast in patients with DED. We systematically searched Embase, Medline, PubMed, and Web of Science for randomized controlled trials (RCTs) and nonrandomized studies evaluating lifitegrast effects on symptomatic DED. Then, inferior corneal staining score, total corneal staining score (TCSS), nasal lissamine staining score (NLSS), total lissamine staining score, ocular discomfort score (ODS), eye discomfort score (visual analog scale (VAS) score), eye dryness score (EDS), ocular surface disease index score (OSDI-S), and tear break-up time (TBUT) were assessed. Clinical global impression and safety profiles were also evaluated. The studies were pooled in a random-effects model. We included five RCTs, one case-control study, and four longitudinal or retrospective studies, comprising 3197 participants. In the meta-analysis, lifitegrast was superior to the placebo because it improved TCSS, NLSS, TBUT, ODS, eye discomfort score, EDS, and OSDI-Sin DED. However, lifitegrast showed higher risks for ocular and non-ocular treatment-emergent adverse events (TEAEs) overall or at a mild or moderate level. Nonetheless, its incidence of adverse events slightly differed from that in the placebo, especially instillation site discomforts and dysgeusia, thereby considered safe and tolerable. Claims of withdrawal during follow-up caused by TEAEs were extremely rare. Lifitegrast improves DED, although dysgeusia, installation site pain, and irritation may be a concern for some. Overall, most of the adverse events are tolerable. Lifitegrast can alleviate refractory DED and improves patients' quality of life.
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Affiliation(s)
- Jing-Xing Li
- Department of General Medicine, China Medical University Hospital, Taichung 404327, Taiwan
- School of Medicine, China Medical University, Taichung 406040, Taiwan
- Institute of Clinical Laboratory Sciences and Medical Biotechnology, National Taiwan University, Taipei 100233, Taiwan
| | - Yi-Yu Tsai
- School of Medicine, China Medical University, Taichung 406040, Taiwan
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan
- Department of Optometry, Asia University, Taichung 413305, Taiwan
| | - Chun-Ting Lai
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan
- School of Medicine, National Taiwan University, Taipei 100233, Taiwan
| | - You-Ling Li
- School of Medicine, China Medical University, Taichung 406040, Taiwan
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan
| | - Ying-Hsuen Wu
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan
| | - Chun-Chi Chiang
- School of Medicine, China Medical University, Taichung 406040, Taiwan
- Department of Ophthalmology, China Medical University Hospital, China Medical University, Taichung 404327, Taiwan
- Department of Optometry, Asia University, Taichung 413305, Taiwan
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Tavakoli A, Markoulli M, Papas E, Flanagan J. The Impact of Probiotics and Prebiotics on Dry Eye Disease Signs and Symptoms. J Clin Med 2022; 11:jcm11164889. [PMID: 36013128 PMCID: PMC9409742 DOI: 10.3390/jcm11164889] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/04/2022] [Accepted: 08/15/2022] [Indexed: 11/24/2022] Open
Abstract
Dry eye is considered an inflammatory disease. Gut microbiota are important in the regulation of low-grade chronic inflammation, including in the eye. Probiotics and prebiotics are increasingly used to regulate chronic-disease-associated gut dysbiosis. Therefore, this double-masked, randomized controlled clinical trial aimed to explore the potential of oral probiotics and prebiotics in the management of dry eye disease. In total, 41 participants with dry eye received probiotic and prebiotic supplements (treatment group, n = 23) or respective placebos (control group, n = 18) for 4 months. Dry eye symptoms and signs were evaluated using the Ocular Surface Disease Index (OSDI), Dry Eye Questionnaire 5, osmolarity, non-invasive keratograph break-up time (NIKBUT), ocular surface staining, tear meniscus height (TMH), lipid layer thickness, and conjunctival redness. After 4 months, the average OSDI score of the treatment group was significantly better compared to that of the controls (16.8 ± 5.9 vs. 23.4 ± 7.4; p < 0.001). The NIKBUT and TMH did not change significantly with treatment (p = 0.31 and p = 0.84) but reduced significantly for controls on average by −5.5 ± 1.0 secs (p = 0.03) and 0.2 ± 0.1 mm (p = 0.02). These data suggest that probiotics and prebiotics might be effective in the management of dry eye disease.
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Affiliation(s)
- Azadeh Tavakoli
- Brien Holden Vision Institute, Sydney 2052, Australia
- School of Optometry, Vision Science University of New South Wales, Sydney 2052, Australia
- Correspondence:
| | - Maria Markoulli
- School of Optometry, Vision Science University of New South Wales, Sydney 2052, Australia
| | - Eric Papas
- School of Optometry, Vision Science University of New South Wales, Sydney 2052, Australia
| | - Judith Flanagan
- School of Optometry, Vision Science University of New South Wales, Sydney 2052, Australia
- Vision CRC, Sydney 2052, Australia
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Olive Pomace Phenolic Compounds: From an Agro-Industrial By-Product to a Promising Ocular Surface Protection for Dry Eye Disease. J Clin Med 2022; 11:jcm11164703. [PMID: 36012942 PMCID: PMC9409789 DOI: 10.3390/jcm11164703] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/29/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022] Open
Abstract
Dry eye (DED) is a prevalent disease with immune-mediated inflammation as the principal pathophysiological etiology. Olive pomace, the major by-product of the olive oil industry, is rich in high-value polyphenols. Their anti-inflammatory and immunomodulatory activities were determined on human CD4+ T cells (hTCD4+) and in a DED animal model. The viability of hTCD4+ cells isolated from peripheral blood and activated with phytohemagglutinin-M was evaluated after treatment for 48 h with an olive pomace extract (OPT3, 0.10–0.40 mg/mL) and its major compound, hydroxytyrosol (25–100 μM). Regarding the DED animal model, 100 μM hydroxytyrosol, 0.20 mg/mL OPT3, or vehicle (borate buffer) were topically administered to 14 days-desiccating stress-exposed (constant airflow/scopolamine administration) C57BL/6 mice. Tear volume, corneal fluorescein staining (CFS), CD4+, and CD8+ T cell count in lymph nodes (flow cytometry), and IP-10 and TNF-α gene expression (qRT-PCR) in the cornea, conjunctiva, and lacrimal glands were evaluated. OPT3 (0.2–0.4 mg/mL) and hydroxytyrosol (100 μM) significantly reduced hTCD4+ proliferation. In mice, both treatments reduced lacrimal gland IP-10 gene expression. OPT3 also decreased CFS, and conjunctival IP-10 and corneal TNF-α gene expression. In lymph nodes, hydroxytyrosol reduced CD3+, OPT3, and CD8+ count. Thus, a high-value application as a promising DED protection was proposed for olive pomace.
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Rodboon T, Souza GR, Mutirangura A, Ferreira JN. Magnetic bioassembly platforms for establishing craniofacial exocrine gland organoids as aging in vitro models. PLoS One 2022; 17:e0272644. [PMID: 35930565 PMCID: PMC9355193 DOI: 10.1371/journal.pone.0272644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/22/2022] [Indexed: 11/18/2022] Open
Abstract
A multitude of aging-related factors and systemic conditions can cause lacrimal gland (LG) or salivary gland (SG) hypofunction leading to degenerative dry eye disease (DED) or dry mouth syndrome, respectively. Currently, there are no effective regenerative therapies that can fully reverse such gland hypofunction due to the lack of reproducible in vitro aging models or organoids required to develop novel treatments for multi-omic profiling. Previously, our research group successful developed three-dimensional (3D) bioassembly nanotechnologies towards the generation of functional exocrine gland organoids via magnetic 3D bioprinting platforms (M3DB). To meet the needs of our aging Asian societies, a next step was taken to design consistent M3DB protocols to engineer LG and SG organoid models with aging molecular and pathological features. Herein, a feasible step-by-step protocol was provided for producing both LG and SG organoids using M3DB platforms. Such protocol provided reproducible outcomes with final organoid products resembling LG or SG native parenchymal epithelial tissues. Both acinar and ductal epithelial compartments were prominent (21 ± 4.32% versus 42 ± 6.72%, respectively), and could be clearly identified in these organoids. Meanwhile, these can be further developed into aging signature models by inducing cellular senescence via chemical mutagenesis. The generation of senescence-like organoids will be our ultimate milestone aiming towards high throughput applications for drug screening and discovery, and for gene therapy investigations to reverse aging.
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Affiliation(s)
- Teerapat Rodboon
- Avatar Biotechnologies for Oral Health and Healthy Longevity Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Glauco R Souza
- University of Texas Health Sciences Center at Houston, Houston, TX, United States of America
- Nano3D Biosciences Inc., Houston, TX, United States of America
- Greiner Bio-One North America Inc., Monroe, NC, United States of America
| | - Apiwat Mutirangura
- Center of Excellence in Molecular Genetics of Cancer and Human Disease, Department of Anatomy, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Joao N Ferreira
- Avatar Biotechnologies for Oral Health and Healthy Longevity Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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Evaluation of Ocular Surface after Cataract Surgery—A Prospective Study. J Clin Med 2022; 11:jcm11154562. [PMID: 35956177 PMCID: PMC9369468 DOI: 10.3390/jcm11154562] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 07/21/2022] [Accepted: 08/02/2022] [Indexed: 02/05/2023] Open
Abstract
This study evaluated tear film and ocular surface parameters in patients after cataract surgery. Methods: a prospective clinical study included 48 eyes of 48 patients who underwent uncomplicated phacoemulsification performed by one surgeon. Tear break-up time (TBUT), Schirmer’s I test, Cochet–Bonnet esthesiometry and in vivo laser scanning confocal microscopy was carried out and the OSDI questionnaire was filled out. All tests were assessed before and 1 month after the surgery. Results: there were 32 (66.7%) women; 16 (33.3%) men, mean age was 74.08 ± 5.37. Mean TBUT at baseline was 8.6 ± 1.9 s, after the surgery, it was 7.7 ± 2.7 s, p = 0.004. Schirmer’s I test was 8.7 ± 3.9 mm versus 8.1 ± 3.7 mm, p = 0.002. Mean corneal nerve density at baseline was 15.70 ± 2.34 and at the first postoperative month 14.94 ± 1.48 mm/mm2, p = 0.02. The OSDI questionnaire score increased from 12.15 ± 10.34 before the surgery to 13.79 ± 10.88 in the first postoperative month, p = 0.001. Conclusions: the ocular surface was affected 1 month after the cataract surgery: TBUT was shorter, Schirmer’s I test and corneal nerve density were decreased while the OSDI score increased.
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M Grover L, Moakes R, Rauz S. Innovations in fluid-gel eye drops for treating disease of the eye: prospects for enhancing drug retention and reducing corneal scarring. EXPERT REVIEW OF OPHTHALMOLOGY 2022. [DOI: 10.1080/17469899.2022.2101998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Liam M Grover
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, UK
| | - Richard Moakes
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Birmingham, UK
| | - Saaeha Rauz
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
- Birmingham and Midland Eye Centre, SWBH NHS Trust, Birmingham, UK
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Neuroimmune crosstalk in the cornea: The role of immune cells in corneal nerve maintenance during homeostasis and inflammation. Prog Retin Eye Res 2022; 91:101105. [PMID: 35868985 DOI: 10.1016/j.preteyeres.2022.101105] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 12/29/2022]
Abstract
In the cornea, resident immune cells are in close proximity to sensory nerves, consistent with their important roles in the maintenance of nerves in both homeostasis and inflammation. Using in vivo confocal microscopy in humans, and ex vivo immunostaining and fluorescent reporter mice to visualize corneal sensory nerves and immune cells, remarkable progress has been made to advance our understanding of the physical and functional interactions between corneal nerves and immune cells. In this review, we summarize and discuss recent studies relating to corneal immune cells and sensory nerves, and their interactions in health and disease. In particular, we consider how disrupted corneal nerve axons can induce immune cell activity, including in dendritic cells, macrophages and other infiltrating cells, directly and/or indirectly by releasing neuropeptides such as substance P and calcitonin gene-related peptide. We summarize growing evidence that the role of corneal intraepithelial immune cells is likely different in corneal wound healing versus other inflammatory-dominated conditions. The role of different types of macrophages is also discussed, including how stromal macrophages with anti-inflammatory phenotypes communicate with corneal nerves to provide neuroprotection, while macrophages with pro-inflammatory phenotypes, along with other infiltrating cells including neutrophils and CD4+ T cells, can be inhibitory to corneal re-innervation. Finally, this review considers the bidirectional interactions between corneal immune cells and corneal nerves, and how leveraging this interaction could represent a potential therapeutic approach for corneal neuropathy.
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Tovar A, Gomez A, Serrano A, Blanco MP, Galor A, Swaminathan SS, de Rivero Vaccari JP, Sabater AL. Role of Caspase-1 as a Biomarker of Ocular Surface Damage. Am J Ophthalmol 2022; 239:74-83. [PMID: 35151638 DOI: 10.1016/j.ajo.2022.01.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 01/20/2022] [Accepted: 01/20/2022] [Indexed: 11/16/2022]
Abstract
PURPOSE To examine the potential of caspase-1 as a biomarker for ocular surface damage. DESIGN Cross-sectional study. METHODS A total of 113 tear samples (64 subjects) were analyzed. Sixty-one samples were from individuals with dry eye disease (DED), defined as Ocular Surface Disease Index (OSDI) ≥13 and/or corneal staining (CS) ≥3; 32 were from individuals who used glaucoma medication, irrespective of DED metrics; and 20 were from controls (CS <3 and OSDI <13). All individuals completed a medical history form and underwent an ocular surface assessment. Protein levels of caspase-1 were determined by enzyme-linked immunosorbent assay off Schirmer's strips. The primary analysis compared caspase-1 levels in individuals with signs of ocular surface damage (CS ≥3) in both case groups and controls. Secondary correlational analyses were conducted to examine relationships between caspase-1 levels and ocular signs and symptoms. Finally, area under the curve (AUC) analyses were performed to examine relationships between inflammatory markers and CS. RESULTS The mean age of the population was 58±18 years; 70% were female. Tear samples from individuals with ocular surface damage presented higher caspase-1 levels than the control group. Caspase-1 levels showed a moderate positive correlation with CS (Spearman r = 0.31; P = .001) and eye redness (Spearman r = 0.39; P = .004), and a negative correlation with Schirmer's (Spearman r = -0.46; P < .001) and tear break-up time (Spearman r = -0.33; P = .0006). Caspase-1 showed higher sensitivity and AUC for detecting ocular surface damage than InflammaDry, and its expression was not affected by anti-inflammatory agents. CONCLUSION Caspase-1 levels were higher in the tears of individuals with ocular surface damage, suggesting its potential to be used as a biomarker and/or therapeutic target.
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Affiliation(s)
- Arianna Tovar
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Angela Gomez
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Andres Serrano
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Maricarmen Perez Blanco
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Anat Galor
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Swarup S Swaminathan
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S)
| | - Juan Pablo de Rivero Vaccari
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, USA (J.P.R.V)
| | - Alfonso L Sabater
- From the Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA (A.T, A.G, A.S, M.P.B, S.S.S, A.L.S).
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Pham MN, Fuleihan RL, Sullivan KE, Cunningham-Rundles C. Ocular Manifestations in Primary Immunodeficiency Disorders: A Report From the United States Immunodeficiency Network (USIDNET) Registry. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1788-1796. [PMID: 35421605 DOI: 10.1016/j.jaip.2022.03.028] [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: 10/06/2021] [Revised: 03/10/2022] [Accepted: 03/29/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Few published studies address eye disease in primary immunodeficiency (PID) despite ocular infections and autoimmune disease being known manifestations of immunodeficient states. OBJECTIVE Data from the USIDNET Registry provide a resource to study ocular ailments in subjects with PID. METHODS Ocular manifestations and patient characteristics were determined using data from 4624 patients with PID enrolled in the US Immunodeficiency Network (USIDNET) Registry. RESULTS A total of 519 (11.2%) patients had recorded ocular diseases. Those with autoinflammatory disorders (n = 4 of 7 [57.1%]), intrinsic and innate immunity defects (n = 9 of 44 [20.5%]), and immune dysregulation (n = 27 of 142 [19.0%]) had the highest percentage of ocular diseases for the PID diagnosis category. Of the 67.6% with infections, 85.5% had conjunctivitis. Bacteria (56.2%) and viruses (27.4%) were the most common microorganisms reported, with Staphylococcus (31.7%), Haemophilus (26.8%), and Streptococcus (22.0%) being the most common bacteria isolated. Those with a history of eye infections had lower immunoglobulin levels, lower CD19 B-cell percentages, and a lower number of protective pneumococcal titers. In patients with noninfectious ocular complications, 30.8% had vision changes, with retina (n = 20 [8.0%]), cataract (n = 16 [6.4%]), and nerve diseases (n = 16 [6.4%]) also being common. Many patients with ocular disease had serious sequelae, with 12.7% undergoing eye surgery and 10.6% having a vision-based disability. CONCLUSIONS Vision loss and conjunctivitis were the most commonly reported ocular complications and pose large quality-of-life issues. Learning more about ocular disease in PID will increase awareness about the importance of addressing and evaluating for these ailments.
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Affiliation(s)
- Michele N Pham
- Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Medicine, University of California, San Francisco, San Francisco, Calif.
| | - Ramsay L Fuleihan
- Division of Allergy, Immunology and Rheumatology, Department of Pediatrics, Columbia University, New York, NY
| | - Kathleen E Sullivan
- Division of Allergy Immunology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pa
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Huang R, Su C, Fang L, Lu J, Chen J, Ding Y. Dry eye syndrome: comprehensive etiologies and recent clinical trials. Int Ophthalmol 2022; 42:3253-3272. [PMID: 35678897 PMCID: PMC9178318 DOI: 10.1007/s10792-022-02320-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 04/18/2022] [Indexed: 12/07/2023]
Abstract
Dry eye syndrome (DES) is multifactorial and likely to be a cause of concern more so than ever given the rapid pace of modernization, which is directly associated with many of the extrinsic causative factors. Additionally, recent studies have also postulated novel etiologies that may provide the basis for alternative treatment methods clinically. Such insights are especially important given that current approaches to tackle DES remains suboptimal. This review will primarily cover a comprehensive list of causes that lead to DES, summarize all the upcoming and ongoing clinical trials that focuses on treating this disease as well as discuss future potential treatments that can improve inclusivity.
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Affiliation(s)
- Ruojing Huang
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Huangpu Avenue West 613, Tianhe District, Guangzhou, 510630, China
| | - Caiying Su
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Huangpu Avenue West 613, Tianhe District, Guangzhou, 510630, China
| | - Lvjie Fang
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Huangpu Avenue West 613, Tianhe District, Guangzhou, 510630, China
| | - Jiaqi Lu
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Huangpu Avenue West 613, Tianhe District, Guangzhou, 510630, China
| | - Jiansu Chen
- Institute of Ophthalmology, Medical College, Jinan University, Huangpu Avenue West 601, Tianhe District, Guangzhou, 510632, China.
| | - Yong Ding
- Department of Ophthalmology, The First Affiliated Hospital of Jinan University, Huangpu Avenue West 613, Tianhe District, Guangzhou, 510630, China.
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