The Ocular Surface Glycocalyx and its Alteration in Dry Eye Disease: A Review

被引:37
|
作者
Uchino, Yuichi [1 ]
机构
[1] Keio Univ, Sch Med, Dept Ophthalmol, Tokyo, Japan
关键词
glycocalyx barrier; transmembrane mucins; MUC1; MUC4; MUC16; galectin-3; diquafosol; rebamipide; GOBLET CELL-DENSITY; HUMAN CORNEAL; CONJUNCTIVAL EPITHELIA; SODIUM HYALURONATE; SJOGRENS-SYNDROME; MUCIN EXPRESSION; GENE-EXPRESSION; GALECTIN-3; REBAMIPIDE; MUC16;
D O I
10.1167/iovs.17-23756
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Many studies have revealed that transmembrane mucins, large glycoproteins with heavily glycosylated glycans, are essential for maintaining ocular surface epithelium lubrication and wettability. Recent reports indicate that transmembrane mucins and galectin-3, a chimera type of galectin that binds beta-galactoside in the glycan, play a crucial role in maintaining the epithelial glycocalyx barrier. This review summarizes current evidence regarding the role of galectin-3, the role of the three major transmembrane mucins (i.e., MUC1, MUC4, and MUC16), in the maintenance of ocular surface wettability and transcellular barrier. Pathological mechanisms of glycocalyx barrier disruption and epithelial surface wettability decreases in dry eye disease are also summarized. Lastly, new ophthalmic drugs that target transmembrane mucin are described.
引用
收藏
页码:DES157 / DES162
页数:6
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