title: Glycobiology of ocular angiogenesis.
abstract: Ocular neovascularization can affect almost all the tissues of the eye: the cornea, the iris, the retina, and the choroid. Pathological neovascularization is the underlying cause of vision loss in common ocular conditions such as diabetic retinopathy, retinopathy of prematurity and age-related macular neovascularization. Glycosylation is the most common covalent posttranslational modification of proteins in mammalian cells. A growing body of evidence demonstrates that glycosylation influences the process of angiogenesis and impacts activation, proliferation, and migration of endothelial cells as well as the interaction of angiogenic endothelial cells with other cell types necessary to form blood vessels. Recent studies have provided evidence that members of the galectin class of β-galactoside-binding proteins modulate angiogenesis by novel carbohydrate-based recognition systems involving interactions between glycans of angiogenic cell surface receptors and galectins. This review discusses the significance of glycosylation and the role of galectins in the pathogenesis of ocular neovascularization.
authors.affiliation: Departments of Ophthalmology and Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA Ymir Genomics LLC, Cambridge, MA 02139, USA.
authors.forename: Anna I
authors.initials: AI
authors.lastname: Markowska
authors.affiliation: Departments of Ophthalmology and Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA New England Eye Center, Boston, MA 02111, USA.
authors.forename: Zhiyi
authors.initials: Z
authors.lastname: Cao
authors.affiliation: Departments of Ophthalmology and Developmental, Molecular & Chemical Biology, Tufts University School of Medicine, Boston, MA 02111, USA New England Eye Center, Boston, MA 02111, USA noorjahan.panjwani@tufts.edu.
authors.forename: Noorjahan
authors.initials: N
authors.lastname: Panjwani
mesh_terms: D005123:Eye / Q000098:blood supply* / Q000473:pathology*; D037161:Galectins / Q000378:metabolism*; D054794:Glycomics; D006031:Glycosylation; D006801:Humans; D009389:Neovascularization, Pathologic
chemical_list: D037161:Galectins
keywords: angiogenesis; choroidal neovascularization; corneal neovascularization; galectin-3; glycans; glycosylation; integrins; neovascularization; retinal neovascularization
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