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Abstract Title:

Betanin Attenuates Oxidative Stress Induced by 6-OHDA in PC12 Cells via SAPK/JNK and PI3 K Pathways.

Abstract Source:

Neurochem Res. 2019 Dec 19. Epub 2019 Dec 19. PMID: 31858376

Abstract Author(s):

Elham Hadipour, Masoud Fereidoni, Zahra Tayarani-Najaran

Article Affiliation:

Elham Hadipour

Abstract:

Parkinson's disease is a neurodegenerative disorder which accompanied with cognitive decline, chorei form moves and behavioral difficulties. Oxidative stress which promote the apoptotic cell death are responsible for neurodegeneration in Parkinson. The purpose of this study is to evaluate the protective effects of betanin against toxicity and oxidative damage induced by 6-hydroxydopamine (6-OHDA) and hydrogen peroxide (HO) in PC12 cells as an appropriate model of Parkinson's cell damage. PC12 cells pretreated with betanin (1-200µM) for 24 h, and exposed to either 6-OHDA (100 µM) or HO(150µM) for 24 h. Cell survival and intracellular reactive oxygen species (ROS) production analyzed by resazurin and DCF-DA assay. The anti-apoptotic effects of betanin in PC12 cells were studied using flow cytometry of PI stained cells. Also, western blot analysis of survivin, Cyt c, Phospho SAPK/JNK,SAPK/JNK, Phospho-PI3 kinase P85, PI3 kinase P85 was performed for detection of apoptosis. Betanin (1-200 µM) significantly decreased the 6-OHDA and HOcytotoxicity also attenuated the ROS level. Cell apoptosis significantly increased after 6-OHDA (100µM) treatment, compared to the control. However, pretreatment with betanin (20 and 50 µM), protected against apoptosis. Western blot analysis of PC12 cells showed that 100 µM 6-OHDA could increase the proteins involved in apoptosis signaling and betanin (20 and 50 µM), could decrease the apoptosis. The results show that betanin has antioxidant and anti-apoptotic effects and may have the ability to prevent or delay the progress of neural death in Parkinson's disease.

Study Type : In Vitro Study

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