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Leucine-rich G Protein-coupled Receptor-5 Is Significantly Increased in the Aqueous Humor of Human Eye with Proliferative Diabetic Retinopathy

Title
Leucine-rich G Protein-coupled Receptor-5 Is Significantly Increased in the Aqueous Humor of Human Eye with Proliferative Diabetic Retinopathy
Author
고성호
Keywords
Leucine-rich G protein-coupled receptor-5; Aqueous humor; Pathologic neovascularization; Diabetic retinopathy; Wnt signaling pathway
Issue Date
2018-06
Publisher
KOREAN SOC BRAIN & NEURAL SCIENCE
Citation
EXPERIMENTAL NEUROBIOLOGY, v. 27, no. 3, page. 238-244
Abstract
Leucine-rich G protein-coupled receptor-5 (LGR5) is known to be a stem cell marker in many organs. LGR5 may have important roles in proliferative diabetic retinopathy (PDR) because LGR5 potentiate the Wnt/beta-catenin pathway, which plays crucial roles in pathologic neovascularization in the retina. The association between LGR5 and retinal pathologic neovascularization has not yet been reported. In the present study, LGR5 was compared in human aqueous humor (AH) between normal control and patients with PDR to confirm the relationship between LGR5 and PDR. AH was collected from 7 naive PDR patients and 3 control subjects before intravitreal injection and cataract surgery, respectively. LGR5 and key members of Wnt/beta-catenin were assessed by western blotting. In the present study, it was confirmed for the first time that LGR5 is detected in AH and it increases in PDR patients. Key members of Wnt/beta-catenin pathway were also increased in AH of PDR patients compared to control. These findings might support the hypothesis that LGR5 has important roles in PDR especially considering the roles of the Wnt/beta-catenin pathway, which is activated by LGR5, contributing to retinal pathologic neovascularization.
URI
https://synapse.koreamed.org/DOIx.php?id=10.5607/en.2018.27.3.238http://repository.hanyang.ac.kr/handle/20.500.11754/118961
ISSN
1226-2560; 2093-8144
DOI
10.5607/en.2018.27.3.238
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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