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Dieckol, an edible seaweed polyphenol, retards rotenone-induced neurotoxicity and α-synuclein aggregation in human dopaminergic neuronal cells

Cha, SH  | Heo, SJ | Jeon, YJ | Park, SM
RSC advances, 6(111). : 110040-110046, 2016
Journal Title
RSC advances
Dopaminergic neurons are particularly vulnerable to oxidative stress, which may initiate a cascade of intracellular toxic events that lead to protein aggregation and subsequent cell death, causing Parkinson's disease. Here, we investigate the neuroprotective effect of dieckol, which is a polyphenol isolated from an edible seaweed, Ecklonia cava, on rotenone-induced oxidative stress in SH-SY5Y cells, a human dopaminergic neuronal cell line. Dieckol was found to reduce intracellular reactive oxygen species (ROS) and cytochrome C release induced by treatment with rotenone. Consequently, dieckol reduced rotenone-induced cell death, and retarded rotenone-induced α-synuclein aggregation in α-synuclein-overexpressing SH-SY5Y cells. These results clearly indicate that dieckol possesses prominent antioxidant activity in dopaminergic neuronal cells preventing α-synuclein aggregation. Therefore, it could be a potential therapeutic agent for the prevention of neurodegenerative diseases such as Parkinson's disease.
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Journal Papers > School of Medicine / Graduate School of Medicine > Pharmacology
Ajou Authors
박, 상면  |  차, 선희
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