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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, Dong Mei Li, San Qiang Zhu, Xiao Ying Wang, Yong Wu, Wen Lan Zhang, Xiao Juan |
| Copyright Year | 2013 |
| Abstract | Amyloid-β (Aβ) is known to exert cytotoxic effects by inducing mitochondrial dysfunction. Additionally, the mitochondrial voltage-dependent anion channel 1 (VDAC1), which is involved in the release of apoptotic proteins with possible relevance in Alzheimer’s disease (AD) neuropathology, plays an important role in maintaining mitochondrial function and integrity. However, the application of therapeutic drugs, especially natural products in (AD) therapy via VDAC1-regulated mitochondrial apoptotic pathway has not aroused extensive attention. In the present study, we investigated neuroprotective effects of hesperidin, a bioactive flavonoid compound, on Aβ$_{25–35}$-induced neurotoxicity in PC12 cells and also examined the potential cellular signalling mechanism. Our results showed that treatment with hesperidin significantly inhibited Aβ$_{25–35}$-induced apoptosis by reversing Aβ-induced mitochondrial dysfunction, including the mitochondrial permeability transition pore opening, intracellular free calcium increase and reactive oxygen species production. Further study indicated that hesperidin can increase the level of VDAC1 phosphorylation through enhancing the activity of the glycogen synthasekinase-3β and decrease the level of hexokinaseI in mitochondrial, resulting in mitochondrial release of cytochrome c. Furthermore, hesperidin inhibited mitochondria-dependent downstream caspase-mediated apoptotic pathway, such as that involving caspase-9 and caspase-3. These results demonstrate that hesperidin can protect Aβ-induced neurotoxicity via VDAC1-regulated mitochondrial apoptotic pathway, and they raise the possibility that hesperidin could be developed into a clinically valuable treatment for AD and other neuronal degenerative diseases associated with mitochondrial dysfunction. |
| Starting Page | 1034 |
| Ending Page | 1044 |
| Page Count | 11 |
| File Format | |
| ISSN | 03643190 |
| Journal | Neurochemical Research |
| Volume Number | 38 |
| Issue Number | 5 |
| e-ISSN | 15736903 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-03-09 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Hesperidin Amyloid-β Voltage-dependent anion channel 1 Mitochondria Neurosciences Neurochemistry Biochemistry Cell Biology Neurology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Biochemistry Cellular and Molecular Neuroscience |
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