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- W2384955888 abstract "AIM: To evaluate the influence of scutellarin on the expression of vascular endothelial growth factor( VEGF) in high glucose-treated human retinal pigment epithelial cell line ARPE-19 and to observe the effects of scutellarin on the protein expression of VEGF,p-ERK and VEGFR2 in the retinas of type II diabetic rats. METHODS: Cultured ARPE-19 cells were divided into normal control group,scutellarin group,high glucose group and high glucose + scutellarin group. The protein levels of VEGF,p-ERK and VEGFR2 were measured by Western blot. The VEGF release in ARPE-19 cells was detected by ELISA. Normal rats were randomly divided into normal control group and scutellarin group. Diabetic rat model was established by feeding with high-fat diet and injecting with streptozocin,and randomly divided into diabetes group and diabetes treated with scutellarin group. After 16 weeks,the eyes were removed. The morphological changes of the retinas were observed under light microscope with HE staining,and histopathological score was recorded. The expression of VEGF in the retinas was observed by the method of immunohistochemistry. RESULTS: Compared with normal control group,the protein levels of VEGF,p-ERK and VEGFR2 in the ARPE-19 cells decreased in scutellarin group,but increased in high glucose group. The histopathological score of the retinas showed significant difference among diabetes group,diabetes treated with scutellarin group and normal control group,and no significant difference between normal control group and scutellarin group was observed. The expression of VEGF increased in diabetic group and was significantly higher than that in scutellarin treatment group( P 0. 05). CONCLUSION: Scutellarin inhibits the increased protein levels of VEGF,p-ERK and VEGFR2 in ARPE-19 cells,and decreases the expression of VEGF in the retinas of diabetic rats. The suppression of the diabetic retinopathy development by scutellarin may be partly involved in the ERK / MAPK pathway." @default.
- W2384955888 created "2016-06-24" @default.
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- W2384955888 date "2015-01-01" @default.
- W2384955888 modified "2023-09-24" @default.
- W2384955888 title "Effect of scutellarin on VEGF expression in human retinal pigment epithelial cells and retinas of diabetic rats" @default.
- W2384955888 hasPublicationYear "2015" @default.
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