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Berberine inhibits human retinal vascular endothelial cell apoptosis induced by high glucose / 中华眼底病杂志
Chinese Journal of Ocular Fundus Diseases ; (6): 790-794, 2021.
Article in Chinese | WPRIM | ID: wpr-912408
ABSTRACT

Objective:

To observe the inhibitory effect of berberine (BBR) on the apoptosis of human retinal vascular endothelial cells (hREC) under high glucose environment.

Methods:

hREC was divided into blank control group (NC group), high glucose group (HG group), BBR treatment group (BN group), and BBR+high glucose treatment group (BH group). The cells of each group were cultured in Dulbecco's modified eagle medium; 5.5 and 30.0 mmol/L glucose were added to the medium of the NC group and HG group, respectively; 5.0 mmol/L glucose and 5.0 mmol/L BBR was added to the BN group; 30.0 mmol/L glucose and 5.0 mmol/L BBR was added to the medium of the BH group. Flow cytometry was used to observe the apoptosis rate of each group. Western blotting was used to detect the relative expression levels of B-cell lymphoma-2 (Bcl-2), Bcl-2 related X protein (Bax), and Cytochrome C (Cyt-C) and cysteine aspastic acid-specific protease 3 (Caspase-3) proteins in each group of cells. The difference between the two groups was tested by t test, and the difference among multiple groups was analyzed by one-way analysis of variance.

Results:

The results of flow cytometry showed that compared with the NC group, the apoptosis rate of the HG group significantly increased, and the difference was statistically significant ( P<0.01); compared with the HG group, the apoptosis rate of the BH group significantly reduced, the difference was statistical significance ( P<0.05). Western blot test results showed that, compared with the NC group, the relative expression of Bax and Caspase-3 protein in the HG group increased, and the relative expression of Bcl-2 protein decreased. The difference was statistically significant ( P<0.01). Compared with the HG group, the relative expression of Bax, Cyt-C, and Caspase-3 protein in BH group cells decreased, and the relative expression of Bcl-2 protein increased, and the difference was statistically significant ( P<0.01).

Conclusion:

BBR can inhibit hREC apoptosis by affecting the expression of apoptotic protein under high glucose environment.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Ocular Fundus Diseases Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Ocular Fundus Diseases Year: 2021 Type: Article