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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhu, Chao Dong, Yuchen Liu, Haile Ren, Hua Cui, Zhihua |
| Description | Country affiliation: China Author Affiliation: Zhu C ( Department of Ophthalmology, Second Hospital of Jilin University, Changchun 130041, China.); Dong Y ( Department of Ophthalmology, Second Hospital of Jilin University, Changchun 130041, China.); Liu H ( Department of Ophthalmology, First Hospital of Jilin University, Changchun 130021, China, China.); Ren H ( Department of Ophthalmology, First Hospital of Jilin University, Changchun 130021, China, China. Electronic address: lvhm63251@163.com.); Cui Z ( Department of Ophthalmology, First Hospital of Jilin University, Changchun 130021, China, China. Electronic address: cz3531@163.com.) |
| Abstract | Age-related macular degeneration (AMD) is an irreversible vision loss disease that primarily results from oxidative stress that causes oxidative damage to the retinal pigment epithelial (RPE) cells. Hesperetin (Hesp) is a common flavanone glycoside compound that has been demonstrated to exhibit a variety of biological and pharmacological properties that include anti-inflammatory and antioxidant properties. The aim of this study is to explore the ability of Hesp to attenuate oxidative damage in hydrogen peroxide (H O )-stimulated ARPE-19 cells. The results indicated that Hesp treatment not only increased cell survival but also decreased reactive oxygen species (ROS) generation, whereas these roles were effectively enhanced the superoxide dismutase (SOD) and glutathione (GSH) levels, and reduced malondialdehyde (MDA) formation. Importantly, the level of heme oxygenase-1 (HO-1) expression was increased by Hesp exposure, which resulted in a decrease after the transfection of cells with Nrf2-siRNA. Additionally, further results revealed that Hesp treatment significantly elevated Keap-1 protein expression, Nrf2 nuclear translocation and ARE activities. These observations indicated that Hesp treatment effectively protected against H O -induced oxidative damage in ARPE-19 cells by inhibiting cell apoptosis, ROS overproduction and MDA formation as well as enhancing the SOD and GSH levels. The underlying mechanisms may be related to the activation of the Keap1-Nrf2/HO-1 signal pathway, which may provide biological evidence to further encourage the investigation of the protective effect of Hesp in AMD disease. |
| File Format | HTM / HTML |
| ISSN | 07533322 |
| Journal | Biomedicine & Pharmacotherapy |
| Volume Number | 88 |
| e-ISSN | 19506007 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2017-04-01 |
| Publisher Place | France |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Pharmacology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Pharmacology |
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