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Comparison of Ocular Surface Mucin Expression After Topical Ophthalmic Drug Administration in Dry Eye-Induced Mouse Model

Authors
 Inhee Moon  ;  Hyun Goo Kang  ;  Areum Yeo  ;  Hyemi Noh  ;  Hyeon Chang Kim  ;  Jong Suk Song  ;  Yong Woo Ji  ;  Hyung Keun Lee 
Citation
 Journal of Ocular Pharmacology and Therapeutics, Vol.34(9) : 612-620, 2018 
Journal Title
 Journal of Ocular Pharmacology and Therapeutics 
ISSN
 1080-7683 
Issue Date
2018
Keywords
MUC1 ; MUC16 ; MUC5AC ; cyclosporine ; diquafosol ; dry eye
Abstract
PURPOSE: To determine the mucinogenic effect of dry eye (DE) treatment drugs currently in use, we compared the levels of mucin production and inflammatory cytokine expression on the ocular surfaces using a DE-induced mice model. METHODS: C57BL/6 mice were separated into 6 groups: a control group, DE-induced mice with the vehicle and treated with cyclosporine A (CsA), rebamipide (Reb), diquafosol tetrasodium (DQS), or prednisolone (Pred). The mRNA expression of MUC 1, 4, 16, 5AC, and proinflammatory cytokines on the corneal epithelia were determined by quantitative real-time polymerase chain reaction. Expression of each MUC was evaluated using flow cytometry and immunohistostaining. Conjunctival goblet cells were analyzed through periodic acid-Schiff (PAS) staining. RESULTS: Desiccating stress significantly decreased both mRNA and protein levels of all MUCs in the cornea. CsA mainly enhanced MUC5AC, with an increase in PAS-positive cells, whereas DQS chiefly increased membrane-associated mucins (MM). However, Reb only minimally increased expression of MUC5AC and Pred only increased MUC4. MUC16 did not show any significant change in any group. On the contrary, the mRNA levels of interleukin (IL)-1β, -6, tumor necrosis factor (TNF)-α, and interferon (IFN)-γ were increased in the DE corneas of the control mice and were reduced by all treatments; in particular, IL-6 was significantly suppressed. CONCLUSION: Topical DQS and CsA not only ameliorated ocular surface inflammation under desiccating stress but also upregulated both MM and secretory mucins (SM) and contributed to conjunctival goblet cell recovery, compared to Reb and Pred. Both anti-inflammatory and secretory factors should be considered simultaneously when measuring the treatment effect of DE drugs.
Full Text
https://www.liebertpub.com/doi/full/10.1089/jop.2018.0005
DOI
10.1089/jop.2018.0005
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kang, Hyun Goo(강현구) ORCID logo https://orcid.org/0000-0001-8359-9618
Kim, Hyeon Chang(김현창) ORCID logo https://orcid.org/0000-0001-7867-1240
Noh, Hae Mi(노혜미)
Moon, In Hee(문인희)
Yeo, Areum(여아름)
Lee, Hyung Keun(이형근) ORCID logo https://orcid.org/0000-0002-1123-2136
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/163825
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