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- W2028469673 abstract "It has been acknowledged that oxidative stress, resulting in the apoptosis of dopaminergic neurons, is a key mechanism in the pathogenesis of Parkinson’s disease (PD). Puerarin, extracted from the root of pueraria lobata, has been clinically used for ischemic heart disease and cerebrovascular diseases as an oxygen free radical scavenger. In this study, we aimed to explore the effect of puerarin on dopaminergic cell degeneration in vitro and in vivo and its possible underlying mechanisms. In SH-SY5Y cells, the reduction of cell viability, apoptosis rate and average DCFH-DA fluorescence intensity of puerarin-treated (0, 10, 50, 100 and 150 μM) cells were significantly lower than control group. In rotenone-based rodent models, puerarin treatment for 7 days ameliorated apomorphine-induced rotations significantly in Pue-50 and Pue-100 group by 45.65% and 53.06% in the first week, by 44.60% and 48.45% in the second week. Moreover, compared to control group, puerarin increased tyrosine hydroxylase (TH) expression in the substantia nigra by 85.52% and 84.26% in Pue-50 group and Pue-100 group, and upregulated the vesicular monoamine transporter 2 (VMAT2) by 41.24% in Pue-50 group and 35.20% in Pue-100 group, and decreased ubiquitin expression by 47.55% in Pue-50 group and 69.15% in Pue-100 group. These data indicated that puerarin alleviated the oxidative stress and apoptosis in a PD cellular model, protected the dopaminergic neurons against rotenone toxicity and decreased the abnormal protein overexpressing in PD animal models. These findings suggest that puerarin may develop into a neuroprotective alternative for patients with PD." @default.
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- W2028469673 date "2014-11-01" @default.
- W2028469673 modified "2023-10-13" @default.
- W2028469673 title "Puerarin protects dopaminergic neurons in Parkinson’s disease models" @default.
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- W2028469673 doi "https://doi.org/10.1016/j.neuroscience.2014.08.052" @default.
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