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Yoshikawa Y, Yokoi N, Kusada N, Kato H, Sakai R, Komuro A, Sonomura Y, Sotozono C. Eye Pain Caused by Epithelial Damage in the Central Cornea in Aqueous-Deficient Dry Eye. Diagnostics (Basel) 2023; 14:30. [PMID: 38201339 PMCID: PMC10802830 DOI: 10.3390/diagnostics14010030] [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: 09/25/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
In this study, the severity of eye pain (EP) and associated objective findings were evaluated in aqueous-deficient dry eye (ADDE) patients using PainVision®, a quantitative pain-measuring device. This study involved 53 eyes of 53 ADDE patients (6 males and 47 females; mean age: 64.4 ± 13.4 [mean ± SD] years). Of those, 18 eyes of 18 patients underwent punctal occlusion, and EP and objective findings in those patients were evaluated before and after treatment. In all patients, the severity of EP as measured by PainVision® was assessed using the Pain Degree (PD). The median PD for the 53 patients was 30.6 µA/µA (interquartile range, 16.9-93.2), and the nasal and central corneal staining score and the upper lid-wiper epitheliopathy score were significantly correlated with PD (R = 0.33, 0.33, and 0.28, respectively) (all: p < 0.05). Using the least squares method, the central corneal staining score most significantly affected PD. In the 18 cases that underwent punctal occlusion, PD was significantly reduced (median PD: 24.8 to 7.1 µA/µA; p < 0.0001). Using the least squares method, the central corneal staining score and tear meniscus radius were significantly more influential as factors contributing to PD before and after treatment, and central corneal epithelial damage was the factor most associated with ADDE-related EP.
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Affiliation(s)
- Yamato Yoshikawa
- Department of Ophthalmology, Osaka Medical and Pharmaceutical University, Takatsuki-City 569-8686, Japan;
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Norihiko Yokoi
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Natsuki Kusada
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Hiroaki Kato
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Rieko Sakai
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Aoi Komuro
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Yukiko Sonomura
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
| | - Chie Sotozono
- Department of Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto 602-0841, Japan; (N.K.); (H.K.); (R.S.); (A.K.); (Y.S.); (C.S.)
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Wang L, Wang X, Chen Q, Wei Z, Xu X, Han D, Zhang Y, Chen Z, Liang Q. MicroRNAs of extracellular vesicles derived from mesenchymal stromal cells alleviate inflammation in dry eye disease by targeting the IRAK1/TAB2/NF-κB pathway. Ocul Surf 2023; 28:131-140. [PMID: 36990276 DOI: 10.1016/j.jtos.2023.03.002] [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: 01/08/2023] [Revised: 03/03/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023]
Abstract
PURPOSE To investigate the efficacy and mechanisms of human umbilical cord-derived MSC-derived extracellular vesicles (hucMSC-EVs) in a mouse model of desiccation-induced dry eye disease (DED). METHODS hucMSC-EVs were enriched by ultracentrifugation. The DED model was induced by desiccating environment combined with scopolamine administration. The DED mice were divided into the hucMSC-EVs group, fluorometholone (FML) group, PBS group, and blank control group. Tear secretion, corneal fluorescein staining, the cytokine profiles in tears and goblet cells, TUNEL-positive cell, and CD4+ cells were examined to assess therapeutic efficiency. The miRNAs in the hucMSC-EVs were sequenced, and the top 10 were used for miRNA enrichment analysis and annotation. The targeted DED-related signaling pathway was further verified by using RT‒qPCR and western blotting. RESULTS Treatment with hucMSC-EVs increased the tear volume and maintained corneal integrity in DED mice. The cytokine profile in the tears of the hucMSC-EVs group presented with a lower level of proinflammatory cytokines than PBS group. Moreover, hucMSC-EVs treatment increased goblet cell density and inhibited cell apoptosis and CD4+ cell infiltration. Functional analysis of the top 10 miRNAs in hucMSC-EVs showed a high correlation with immunity. Among them, miR-125 b, let-7b, and miR-6873 were conserved between humans and mice and were associated with the IRAK1/TAB2/NF-κB pathway that was activated in DED. Furthermore, IRAK1/TAB2/NF-κB pathway activation and the abnormal expression of IL-4, IL-8, IL-10, IL-13, IL-17, and TNF-α were reversed by hucMSC-EVs. CONCLUSIONS hucMSCs-EVs alleviate DED signs, suppress inflammation and restore homeostasis of the corneal surface by multitargeting the IRAK1/TAB2/NF-κB pathway via certain miRNAs.
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Affiliation(s)
- Leying Wang
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China
| | - Xueyao Wang
- Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, And Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, 100053, China
| | - Qiankun Chen
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China
| | - Zhenyu Wei
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China
| | - Xizhan Xu
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China
| | - Deqiang Han
- Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, And Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, 100053, China
| | - Yuheng Zhang
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China
| | - Zhiguo Chen
- Cell Therapy Center, Beijing Institute of Geriatrics, Xuanwu Hospital Capital Medical University, National Clinical Research Center for Geriatric Diseases, And Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, 100053, China.
| | - Qingfeng Liang
- Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Key Laboratory of Ophthalmology and Visual Sciences, Beijing, 100005, China.
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Placebo administration for dry eye disease: a level I evidence based systematic review and meta-analysis. Int J Clin Pharm 2022; 44:1087-1101. [PMID: 35939178 PMCID: PMC9618542 DOI: 10.1007/s11096-022-01439-y] [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: 12/04/2021] [Accepted: 06/04/2022] [Indexed: 12/05/2022]
Abstract
Background The efficacy of various common treatment options for dry eye disease (DED) has been investigated against placebo. However, the potential beneficial effect of placebo in the management of DED is still unclear. Aim This meta-analysis investigated the impact of placebo administration in DED in Ocular Surface Disease Index (OSDI), Schirmer I test (SIT), tear breakup time (TBUT), corneal staining, and complications. Method This meta-analysis and systematic review was conducted according to the 2020 PRISMA guidelines. In March 2022, Pubmed, Web of Science, Google Scholar, and Embase were accessed. All the randomised clinical trials which investigated any active treatment against a placebo control group were considered. The following data were extracted at baseline and at last follow-up: Ocular Surface Disease Index (OSDI), tear breakup time test (TBUT), Schirmer I test (SIT), corneal staining. Results Data from 56 studies (12,205 patients) were retrieved. Placebo administration is not effective in improving TBUT (P = 0.3), OSDI (P = 0.2), SIT (P = 0.1) and corneal staining (P = 0.1) from baseline to last follow-up. Active treatment led to a higher TBUT and SIT compared to placebo administration (P < 0.0001). The active treatment resulted in a lower OSDI compared to placebo administration (P = 0.0005). Five studies reported data on the corneal staining. No difference was found between placebo administration and active treatment (P = 0.8). Conclusion Placebo administration does not impact symptoms of DED and can be successfully employed to evaluate the efficacy of active treatments. Supplementary Information The online version contains supplementary material available at 10.1007/s11096-022-01439-y.
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Dikmetas O, Kocabeyoglu S, Mocan MC. The Association between Meibomian Gland Atrophy and Corneal Subbasal Nerve Loss in Patients with Chronic Ocular Graft-versus-host Disease. Curr Eye Res 2021; 46:796-801. [PMID: 33427504 DOI: 10.1080/02713683.2020.1846754] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Purpose: To investigate the association between meibomian gland (MG) loss and corneal subbasal nerve plexus density in patients with chronic graft-versus-host disease (GVHD) related dry eye disease (DED).Materials and Methods: This cross-sectional study included 22 adult patients with severe DED secondary to chronic GVHD. Control group comprised age- and sex-matched 28 healthy subjects with no evidence of ocular disease. All subjects underwent tear breakup time (TBUT), corneal staining, Schirmer I test without anesthesia, quantitative MG drop-out assessment using infrared meibography and corneal subbasal nerve density measurements with in vivo confocal microscopy (IVCM) (ConfoScan4, Nidek, Japan). One eye per patient was included for statistical purposes. Mann-Whitney U test and one-way multivariate ANOVA test were used for comparative analyses.Results: Compared to healthy subjects (mean age = 26.9 ± 13.5 years (range = 20-44 years)), patients with chronic GVHD (mean age = 29.6 ± 12.6 years (range = 19-45 years)) had worse meibography scores (p < .001), reduced corneal subbasal nerve plexus densities (p < .001), lower TBUT scores (p = .012), lower Schirmer I values (p = .001) and higher corneal staining scores (p = 003). Meiboscores in the GVHD and control groups were 2.9 ± 1.1 (range = 1-4) vs. 0.7 ± 0.4 (range = 0-2) for the superior (p < .001), and 3.2 ± 1.2 (range = 2-4) vs. 0.5 ± 0.3 (range = 0-2) for inferior (p < .001) eyelids, respectively. Corneal subbasal nerve densities of patients with GVHD did not reveal a correlation with meiboscores (r = 0.030; p = .709 for the inferior and r = 0.268; p = .075 for the superior eyelids) but showed a weak correlation with Schirmer I test values (r = 0.268; p = .014).Conclusions: Patients with chronic GVHD are at high risk for developing DED and MG dysfunction. In the setting of chronic GVHD-related DED, MG loss does not appear to be a significant factor for corneal subbasal nerve damage.
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Affiliation(s)
- Ozlem Dikmetas
- Department of Ophthalmology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Sibel Kocabeyoglu
- Department of Ophthalmology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Mehmet Cem Mocan
- Department of Ophthalmology and Visual Sciences, University of Illinois at Chicago, Chicago, IL, USA
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