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Ye X, Yang J, Hu C, Dong J, Tang H, Zhou B, Wen B, Xiao Z, Zhu M, Cai J, Zhou J. Multi-biomarker combination detection system for diagnosis and classification of dry eye disease by imaging of a multi-channel metasurface. Biosens Bioelectron 2024; 248:115933. [PMID: 38171220 DOI: 10.1016/j.bios.2023.115933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/30/2023] [Accepted: 12/13/2023] [Indexed: 01/05/2024]
Abstract
Dry eye disease (DED) is one of the most common ocular surface diseases, characterized by unstable tear film and ocular inflammation, affecting hundreds of millions of people worldwide. Currently, the clinical diagnosis of DED mainly relies on physical methods such as optical microscopy and ocular surface interferometric imaging, but classifying DED is still difficult. Here, we propose a compact and portable immune detection system based on the direct imaging of a nanophotonic metasurface with gradient geometry, for fast and ultra-sensitive detection of multiple biomarkers (i.e. Matrix metalloproteinase-9 (MMP-9), Lipocalin-1 (LCN-1), Lactoferrin (LTF)) in tears for the diagnosis and classification of DED. This centimeter-scale concentric nanophotonic metasurface, which consists of millions of unique metallic nanostructures, was fabricated through a cost-effective nanoimprint lithography (NIL) process. The immune detection system based on the antibody-modified metasurface shows favorable detection selectivity, an ultra-high sensitivity (3350 pixels/Refractive Index Unit (RIU)) and low limit of detection (LOD) (0.3 ng/mL for MMP-9, 1 ng/mL for LTF, and 0.5 ng/mL for LCN-1). Further clinical sampling and detection results demonstrated that this multi-biomarker detection system enabled accurate determination and symptom classification of DED, manifesting high correlation and consistency with clinical diagnosis results. The advantages such as low sample consumption, one-step detection, simple operation, and simultaneous detection of multiple biomarkers make the platform promising for screening and detecting a broader range of biomarker combinations in clinical practice.
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Affiliation(s)
- Xiangyi Ye
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Ji Yang
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Chao Hu
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Jianpei Dong
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Hao Tang
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Bin Zhou
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Baohua Wen
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Zihan Xiao
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China
| | - Minyi Zhu
- Department of Ophthalmology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518107, PR China
| | - Jingxuan Cai
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China.
| | - Jianhua Zhou
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, PR China; Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, 510275, PR China.
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Choi M, Park YM, Ko BY. Comparative Evaluation of Matrix Metalloproteinase-9 Immunoassay and Tear Osmolarity Measurement for Diagnosing Severity of Dry Eye Disease. KOREAN JOURNAL OF OPHTHALMOLOGY 2023; 37:409-416. [PMID: 37621090 PMCID: PMC10587457 DOI: 10.3341/kjo.2023.0062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/09/2023] [Accepted: 08/23/2023] [Indexed: 08/26/2023] Open
Abstract
PURPOSE To evaluate and compare the clinical efficacy of matrix metalloproteinase-9 (MMP-9) immunoassay and tear osmolarity measurement in diagnosing dry eye severity. METHODS Dry eye disease (DED) patients underwent diagnostic tests including MMP-9 assay, tear osmolarity measurement, fluorescein tear breakup time, ocular surface staining, anesthetized Schirmer test, Ocular Surface Disease Index questionnaire, and slit-lamp examination. The dry eye parameters were compared according to positive MMP-9 status and increased tear osmolarity. The correlation between dry eye profiles and MMP-9 positivity and high tear osmolarity was also analyzed. RESULTS Those who tested positive in MMP-9 immunoassay had significantly higher corneal fluorescein staining score and worse DED severity than those who tested negative. The intensity of MMP-9 positivity showed positive correlation with the corneal staining score and DED severity. However, DED patients with high tear osmolarity above 308 mOsm/L did not show significantly different dry eye signs and symptoms compared to those with lower tear osmolarity values. Tear osmolarity was associated with ocular surface staining score in severe DED patients. CONCLUSIONS MMP-9 positivity was associated with ocular surface staining and worse dry eye severity. Therefore, it may be used as a useful indicator of disease severity in conjunction to other diagnostic tests.
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Affiliation(s)
- Moonjung Choi
- Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang,
Korea
| | - Young Min Park
- Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang,
Korea
- Department of Ophthalmology, Yonsei University College of Medicine, Seoul,
Korea
| | - Byung Yi Ko
- Department of Ophthalmology, Konyang University College of Medicine, Daejeon,
Korea
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van Setten GB. Ocular Surface Allostasis-When Homeostasis Is Lost: Challenging Coping Potential, Stress Tolerance, and Resilience. Biomolecules 2023; 13:1246. [PMID: 37627311 PMCID: PMC10452761 DOI: 10.3390/biom13081246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/20/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
The loss of ocular surface (OS) homeostasis characterizes the onset of dry eye disease. Resilience defines the ability to withstand this threat, reflecting the ability of the ocular surface to cope with and bounce back after challenging events. The coping capacity of the OS defines the ability to successfully manage cellular stress. Cellular stress, which is central to the outcome of the pathophysiology of dry eye disease, is characterized by intensity, continuity, and receptivity, which lead to the loss of homeostasis, resulting in a phase of autocatalytic dysregulation, an event that is not well-defined. To better define this event, here, we present a model providing a potential approach when homeostasis is challenged and the coping capacities have reached their limits, resulting in the stage of heterostasis, in which the dysregulated cellular stress mechanisms take over, leading to dry eye disease. The main feature of the proposed model is the concept that, prior to the initiation of the events leading to cellular stress, there is a period of intense activation of all available coping mechanisms preventing the imminent dysregulation of ocular surface homeostasis. When the remaining coping mechanisms and resilience potential have been maximally exploited and have, finally, been exceeded, there will be a transition to manifest disease with all the well-known signs and symptoms, with a shift to allostasis, reflecting the establishment of another state of balance. The intention of this review was to show that it is possibly the phase of heterostasis preceding the establishment of allostasis that offers a better chance for therapeutic intervention and optimized recovery. Once allostasis has been established, as a new steady-state of balance at a higher level of constant cell stress and inflammation, treatment may be far more difficult, and the potential for reversal is drastically decreased. Homeostasis, once lost, can possibly not be fully recovered. The processes established during heterostasis and allostasis require different approaches and treatments for their control, indicating that the current treatment options for homeostasis need to be adapted to a more-demanding situation. The loss of homeostasis necessarily implies the establishment of a new balance; here, we refer to such a state as allostasis.
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Affiliation(s)
- Gysbert-Botho van Setten
- St. Eriks Eye Hospital, 171 04 Solna, Sweden;
- Lab of DOHF and Wound Healing, Division of Eye and Vision, Department of Clinical Neuroscience, Karolinska Institutet, Eugeniavägen 12/Level 6, 171 04 Solna, Sweden
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Sánchez-González JM, Rocha-de-Lossada C, Cerviño A. Exploring the Cutting Edge of Vision Science: New Developments in Diagnostics and Treatment of Ocular Surface in Dry Eye Disease. Life (Basel) 2023; 13:1584. [PMID: 37511959 PMCID: PMC10381868 DOI: 10.3390/life13071584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
The ocular surface refers to the outermost layer of the eye, which includes the cornea, conjunctiva and eyelids [...].
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Affiliation(s)
| | - Carlos Rocha-de-Lossada
- Qvision, Ophthalmology Department, VITHAS Almeria Hospital, 04120 Almeria, Spain
- Ophthalmology Department, VITHAS Malaga, 29016 Malaga, Spain
- Regional University Hospital of Malaga, Hospital Civil Square, 29009 Malaga, Spain
- Surgery Department, Ophthalmology Area, University of Seville, Doctor Fedriani, 41009 Seville, Spain
| | - Alejandro Cerviño
- Department of Optics & Optometry & Vision Sciences, University of Valencia, 46010 Valencia, Spain
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Nichani PAH, Solomon B, Trinh T, Mimouni M, Rootman D, Singal N, Chan CC. Investigating the role of inflammation in keratoconus: A retrospective analysis of 551 eyes. Eur J Ophthalmol 2023; 33:35-43. [PMID: 36154720 PMCID: PMC9834323 DOI: 10.1177/11206721221125013] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
PURPOSE Keratoconus (KCN), classically defined as a noninflammatory corneal ectasia, was recently associated with chronic inflammation. This study aimed to further evaluate the association between inflammation and KCN severity by assessing patient tear films. METHODS Retrospective chart review of consecutive patients (July 2016-February 2020) referred to a tertiary KCN centre. Using tomography Kmax values, the worst-eyes of patients with a diagnosis of KCN and tear film test results were included. Eyes were stratified as matrix metalloproteinase-9 (MMP9) positive or negative and analyzed using independent t and Pearson chi-squared tests. A p-value ≤ 0.05 was considered significant. RESULTS 551 (51.40%) unilateral eyes were included. Mean age was 30.1 years and 70.1% were male. 55.5% of the eyes were MMP9 positive. Mean corrected distance visual acuity was 20/30<συπ>-3</sup> Snellen and Kmax was 60.1 Diopters. MMP9 positive eyes had a higher Kmax (p = 0.048), and were more likely from patients who were male (p < 0.001), had a paediatric history of asthma (p = 0.042), and used glasses (p = 0.041). MMP9 negative eyes more likely corresponded to soft contact lens users (p = 0.012). No other significant differences were found in risk factors, topography, tomography, and tear film osmolarity. CONCLUSION MMP9 positive keratoconic eyes had significantly higher Kmax readings which may correlate with increased disease severity, supporting an association between keratoconus and inflammation. Further research is warranted to evaluate the role of targeted therapy and contact lens use on MMP9 levels in keratoconic eyes and whether disease progression is affected.
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Affiliation(s)
- Prem A H Nichani
- Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Benjamin Solomon
- Termerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | | | - Michael Mimouni
- Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ontario, Canada,Kensington Eye Institute, Toronto, Ontario, Canada,Toronto Western Hospital, Toronto, Ontario, Canada
| | - David Rootman
- Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ontario, Canada,Kensington Eye Institute, Toronto, Ontario, Canada,Toronto Western Hospital, Toronto, Ontario, Canada
| | - Neera Singal
- Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ontario, Canada,Kensington Eye Institute, Toronto, Ontario, Canada,Toronto Western Hospital, Toronto, Ontario, Canada
| | - Clara C Chan
- Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto, Ontario, Canada,Kensington Eye Institute, Toronto, Ontario, Canada,Toronto Western Hospital, Toronto, Ontario, Canada,Clara C Chan, Department of Ophthalmology & Vision Sciences, University of Toronto, Toronto Western Hospital, 6th Floor East Wing, Reception 1, 399 Bathurst Street, Toronto, Ontario, Canada. M5T 2S8.
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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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Masli S, Akpek EK. Reduced Tear Thrombospondin-1/Matrix Metalloproteinase-9 Ratio Can Aid in Detecting Sjögren's Syndrome Etiology in Patients with Dry Eye. Clin Transl Sci 2022; 15:1999-2009. [PMID: 35610740 PMCID: PMC9372415 DOI: 10.1111/cts.13316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/07/2022] [Accepted: 04/14/2022] [Indexed: 11/30/2022] Open
Abstract
Differentiating patients with Sjögren's syndrome (SS)‐associated dry eye from non‐SS dry eye is critical for monitoring and appropriate management of possible sight‐ or life‐threatening extraglandular complications associated with SS. We tested whether reduced tear levels of immunoregulatory thrombospondin (TSP)‐1, which also inhibits matrix metalloproteinase (MMP)‐9, would reflect SS pathogenesis aiding the identification of patients with SS‐dry eye. Total of 61 participants, including healthy controls (n = 20), patients with non‐SS dry eye (n = 20) and SS‐dry eye (n = 21) were enrolled prospectively. Tear TSP‐1 and MMP‐9 levels were measured using a custom magnetic bead‐based multi‐plex assay in a masked manner. Analyte concentrations were assessed further according to ocular surface and tear film parameters. Relative to median tear TSP‐1 (308 ng/ml) and MMP‐9 (1.9 ng/ml) levels in the control group, significantly higher proportion of patients with SS‐dry eye than non‐SS had lower tear TSP‐1 levels (55% vs. 29%, odds ratio [OR] = 3, 95% confidence interval [CI] = 1.64 to 5.35, p < 0.05) and higher tear MMP‐9 levels (65% vs. 24%, OR = 5.8, 95% CI = 4.46 to 19.81, p < 0.05), respectively. The tear TSP‐1/MMP‐9 ratio was significantly reduced in patients with SS‐dry eye compared to non‐SS (B = −2.36, 95% CI = −3.94 to −0.0.79, p < 0.05), regardless of tear MMP‐9 levels. Patients with a lower ratio were 2.3 times more likely to have SS (OR = 0.28, 95% CI = 0.1 to 0.75, p < 0.05). This ratio showed significant inverse correlations with clinical parameters (conjunctival and corneal staining scores). Our results denote that tear TSP‐1/MMP‐9 ratio can be useful in identifying patients with dry eye with underlying SS and used as a screening test.
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Affiliation(s)
- Sharmila Masli
- Department of Ophthalmology, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Esen K Akpek
- Ocular Surface Diseases and Dry Eye Clinic, The Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Zhan X, Li J, Guo Y, Golubnitschaja O. Mass spectrometry analysis of human tear fluid biomarkers specific for ocular and systemic diseases in the context of 3P medicine. EPMA J 2021; 12:449-475. [PMID: 34876936 PMCID: PMC8639411 DOI: 10.1007/s13167-021-00265-y] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 11/03/2021] [Indexed: 12/23/2022]
Abstract
Over the last two decades, a large number of non-communicable/chronic disorders reached an epidemic level on a global scale such as diabetes mellitus type 2, cardio-vascular disease, several types of malignancies, neurological and eye pathologies-all exerted system's enormous socio-economic burden to primary, secondary, and tertiary healthcare. The paradigm change from reactive to predictive, preventive, and personalized medicine (3PM/PPPM) has been declared as an essential transformation of the overall healthcare approach to benefit the patient and society at large. To this end, specific biomarker panels are instrumental for a cost-effective predictive approach of individualized prevention and treatments tailored to the person. The source of biomarkers is crucial for specificity and reliability of diagnostic tests and treatment targets. Furthermore, any diagnostic approach preferentially should be noninvasive to increase availability of the biomaterial, and to decrease risks of potential complications as well as concomitant costs. These requirements are clearly fulfilled by tear fluid, which represents a precious source of biomarker panels. The well-justified principle of a "sick eye in a sick body" makes comprehensive tear fluid biomarker profiling highly relevant not only for diagnostics of eye pathologies but also for prediction, prognosis, and treatment monitoring of systemic diseases. One prominent example is the Sicca syndrome linked to a cascade of severe complications that include dry eye, neurologic, and oncologic diseases. In this review, protein profiles in tear fluid are highlighted and corresponding biomarkers are exemplified for several relevant pathologies, including dry eye disease, diabetic retinopathy, cancers, and neurological disorders. Corresponding analytical approaches such as sample pre-processing, differential proteomics, electrophoretic techniques, high-performance liquid chromatography (HPLC), enzyme-linked immuno-sorbent assay (ELISA), microarrays, and mass spectrometry (MS) methodology are detailed. Consequently, we proposed the overall strategies based on the tear fluid biomarkers application for 3P medicine practice. In the context of 3P medicine, tear fluid analytical pathways are considered to predict disease development, to target preventive measures, and to create treatment algorithms tailored to individual patient profiles.
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Affiliation(s)
- Xianquan Zhan
- Shandong Key Laboratory of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University, 440 Jiyan Road, Jinan, 250117 Shandong China
- Medical Science and Technology Innovation Center, Shandong First Medical University, 6699 Qingdao Road, Jinan, 250117 Shandong China
- Gastroenterology Research Institute and Clinical Center, Shandong First Medical University, 38 Wuying Shan Road, Jinan, Shandong 250031 People’s Republic of China
| | - Jiajia Li
- Medical Science and Technology Innovation Center, Shandong First Medical University, 6699 Qingdao Road, Jinan, 250117 Shandong China
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan China
| | - Yuna Guo
- Medical Science and Technology Innovation Center, Shandong First Medical University, 6699 Qingdao Road, Jinan, 250117 Shandong China
| | - Olga Golubnitschaja
- Predictive, Preventive and Personalised (3P) Medicine, Department of Radiation Oncology, University Hospital Bonn, Rheinische Friedrich-Wilhelms-University of Bonn, Sigmund-Freud-Str 25, 53105 Bonn, Germany
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Lee SH, Chun YS, Moon NJ, Kim KW. Short-term Changes in the Tear Matrix Metalloproteinase 9 Level and Ocular Surface Discomfort after Cataract Surgery. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2021. [DOI: 10.3341/jkos.2021.62.4.463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ryu KJ, Kim S, Kim MK, Paik HJ, Kim DH. Short-Term Therapeutic Effects of Topical Corticosteroids on Refractory Dry Eye Disease: Clinical Usefulness of Matrix Metalloproteinase 9 Testing as a Response Prediction Marker. Clin Ophthalmol 2021; 15:759-767. [PMID: 33654374 PMCID: PMC7910104 DOI: 10.2147/opth.s300047] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 02/05/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose To compare the short-term therapeutic effects of topical corticosteroids in patients with refractory dry eye disease (DED) according to the tear matrix metalloproteinase 9 (MMP-9) point-of-care positivity. Methods This study was conducted on 137 patients who were referred from other eye clinics, complaining of irresponsive DED or acute DED flares despite routine treatment with topical cyclosporin or diquafosol. The patients received treatment with topical corticosteroids for 1 month. DED was evaluated by SANDE (Symptom Assessment in Dry Eye) questionnaire, tear film breakup time, ocular surface staining score, and meibomian gland dysfunction stage. The InflammaDry MMP-9 immunoassay was conducted in more symptomatic eyes of all patients. The changes in the subjective symptoms were additionally surveyed as symptom improvement score. Results The mean age of the patients was 57.8±13.4 years, and the tear MMP-9 positivity was 73.0%. Topical corticosteroids treatment showed significant improvement of symptoms and signs in the patients with refractory DED irrespective of the positivity of MMP-9 (each p<0.001). The changes in SANDE score and OSS, and symptom improvement score were higher in the MMP-9 positive group than in the MMP-9 negative group (p=0.002/0.010/0.011). The overall rates of subjective symptoms improvement and SANDE reduction were 73.0% and 90.6% after topical corticosteroids treatment, respectively. Conclusion Short-term topical corticosteroids had excellent therapeutic effects in patients with refractory DED or acute DED flares, irrespective of the tear MMP-9 level. Tear MMP-9 positivity may serve as a reliable response predictor of topical corticosteroids treatment in DED.
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Affiliation(s)
- Kyung Jae Ryu
- Department of Ophthalmology, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | | | - Mee Kum Kim
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea
| | - Hae Jung Paik
- Department of Ophthalmology, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - Dong Hyun Kim
- Department of Ophthalmology, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
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Importance of tear volume for positivity of tear matrix metalloproteinase-9 immunoassay. PLoS One 2020; 15:e0235408. [PMID: 32649686 PMCID: PMC7351366 DOI: 10.1371/journal.pone.0235408] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 06/15/2020] [Indexed: 01/16/2023] Open
Abstract
The tear matrix metalloproteinase-9 (MMP-9) immunoassay (Inflammadry) exhibits variable results in dry eye (DE) patients. We investigated if the tear volume in DE patients affects the results of MMP-9 immunoassay in clinical and in vitro settings. This cross-sectional study enrolled 188 eyes of 188 DE patients. The clinical symptoms and signs of DE were assessed using the Ocular Surface Disease Index and visual analog scale, strip meniscometry, tear break-up time, and tear meniscus height (TMH), area (TMA), and depth (TMD) using swept-source optical coherence tomography and corneal and conjunctival staining scores. For quantitative evaluation, the bands produced by the InflammaDry test were analyzed with ImageJ. DE subjects were grouped according to MMP-9 positivity and TMH. The InflammaDry-positive group showed greater TMH, TMA, and TMD than the MMP-9-negative group (p < 0.05). InflammaDry test band density in the high TMH group was significantly greater than that in the low and normal TMH groups (p < 0.05). InflammaDry test band density correlated positively with TMH, TMA, and TMD (all p < 0.05). InflammaDry test results were influenced by tear volume. Low tear volume in aqueous tear-deficient DE may induce false-negative results, and reflex tearing during the test may induce false-positive results.
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