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KMID : 1123920040180020544
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Korean Journal of Oriental Physiology and Pathology
2004 Volume.18 No. 2 p.544 ~ p.552
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Protective Effects of Radix Polygalae on Dopamine-induced Cell Death in Human SH-SY5Y Dopaminergic Neuroblastoma Cells
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Lee Ji-Yong
Park Jae-Hyeon
Kim Kyung-Ryul
Kim Tae-Heon
Kang Hyung-Won
Lyu Yeoung-Su
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Abstract
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In oriental medicine, Radix Polygalae(RP) has been to treat tremors et al. But the mechanism how to decrease tremors was not known. The purpose of this study was to investigate the effect of RP on neurodegenerative disease. We used RP to execute the study of this defense mechanism on dopamine-induced cell death in human SH-SY5Y dopaminergic neuroblastoma cells. MTT assay was used to know the cytotoxicity of dopamine and the defense mechanism. As a result of this experiment, dopamine had cytotoxicity in human SH-SY5Y cells, but when it treated with RP, the cell survival rate increased. This suppressed the cell apoptosis, activation of caspase-3 protease, production of ROS, and repair of membrane potential change. In conclusion, RP has the protective effect on dopamine-induced cell death in human SH-SY5Y dopaminergic neuroblastoma cells, so this could be an effective agent on the neurodegenerative disease like Parkinsonism.
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KEYWORD
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SH-SY5Y, Radix Polygalae, Dopamine, Neurodegenerative disease
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