Protective Effects of Costunolide against Hydrogen Peroxide-Induced Injury in PC12 Cells
AbstractOxidative stress-mediated cellular injury has been considered as a major cause of neurodegenerative diseases including Alzheimer’s and Parkinson’s diseases. The scavenging of reactive oxygen species (ROS) mediated by antioxidants may be a potential strategy for retarding the diseases’ progression. Costunolide (CS) is a well-known sesquiterpene lactone, used as a popular herbal remedy, which possesses anti-inflammatory and antioxidant activity. This study aimed to investigate the protective role of CS against the cytotoxicity induced by hydrogen peroxide (H2O2) and to elucidate potential protective mechanisms in PC12 cells. The results showed that the treatment of PC12 cells with CS prior to H2O2 exposure effectively increased the cell viability. Furthermore, it decreased the intracellular ROS, stabilized the mitochondria membrane potential (MMP), and reduced apoptosis-related protein such as caspase 3. In addition, CS treatment attenuated the cell injury by H2O2 through the inhibition of phosphorylation of p38 and the extracellular signal-regulated kinase (ERK). These results demonstrated that CS is promising as a potential therapeutic candidate for neurodegenerative diseases resulting from oxidative damage and further research on this topic should be encouraged. View Full-Text
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Cheong, C.-U.; Yeh, C.-S.; Hsieh, Y.-W.; Lee, Y.-R.; Lin, M.-Y.; Chen, C.-Y.; Lee, C.-H. Protective Effects of Costunolide against Hydrogen Peroxide-Induced Injury in PC12 Cells. Molecules 2016, 21, 898.
Cheong C-U, Yeh C-S, Hsieh Y-W, Lee Y-R, Lin M-Y, Chen C-Y, Lee C-H. Protective Effects of Costunolide against Hydrogen Peroxide-Induced Injury in PC12 Cells. Molecules. 2016; 21(7):898.Chicago/Turabian Style
Cheong, Chong-Un; Yeh, Ching-Sheng; Hsieh, Yi-Wen; Lee, Ying-Ray; Lin, Mei-Ying; Chen, Chung-Yi; Lee, Chien-Hsing. 2016. "Protective Effects of Costunolide against Hydrogen Peroxide-Induced Injury in PC12 Cells." Molecules 21, no. 7: 898.
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