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• W1523679923 endingPage "2228" @default.
• W1523679923 startingPage "2217" @default.
• W1523679923 abstract "Background/Aims: Oxidative stress that damages cells of the retinal pigment epithelium (RPE) can cause the development of hereditary retinal disease (HRD). PRDX6, which is a member of the PRDX family, is essential for removing metabolic free radicals from the body. However, the effect of PRDX6 on oxidative stress in HRD remains unknown. In this study, we sought to investigate the role of PRDX6 in oxidative stress-induced HRD in ARPE-19 cells and the molecular mechanism involved. Methods: ARPE-19 cells were used in the current study. Intracellular ROS levels were determined by flow cytometry. Lipid peroxidation was measured using a commercial MDA assay kit. Cellular variability was determined by MTT assay. Apoptosis was determined using an Annexin V-FITC Apoptosis Detection Kit. mRNA and protein expression levels were detected by real-time PCR and western blot analysis, respectively. Results: We found that H2O2 and blue light could induce significant oxidative stress damage and cell death in ARPE-19 cells. Furthermore, we found that PRDX6 levels significantly decreased after H2O2 treatment. PRDX6 overexpression protected ARPE-19 cells from H2O2- and blue light-induced oxidative damage, while PRDX6 knockdown enhanced oxidative damage in these cells. Mechanistically, we found that PRDX6 prevented oxidative damage and promoted ARPE-19 cell survival through the PI3K/AKT signaling pathway. Conclusions: Collectively, these results suggest that PRDX6 protects ARPE-19 cells from H2O2-induced oxidative stress and apoptosis and that this protection is mediated at least partially through the PI3K/AKT pathway." @default.
• W1523679923 created "2016-06-24" @default.
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• W1523679923 date "2015-01-01" @default.
• W1523679923 modified "2023-10-15" @default.
• W1523679923 title "PRDX6 Protects ARPE-19 Cells from Oxidative Damage via PI3K/AKT Signaling" @default.
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• W1523679923 doi "https://doi.org/10.1159/000430186" @default.
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