Edaravone guards dopamine neurons in a rotenone model for Parkinson's disease.

Edaravone guards dopamine neurons in a rotenone model for Parkinson's disease.
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DOI:
10.1371/journal.pone.0020677
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发表时间:
2011
期刊:
影响因子:
3.7
通讯作者:
Wang T
Wang T
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Xiong N;Xiong J;Khare G;Chen C;Huang J;Zhao Y;Zhang Z;Qiao X;Feng Y;Reesaul H;Zhang Y;Sun S;Lin Z;Wang T

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3-methyl-1-phenyl-2-pyrazolin-5-one (edaravone), an effective free radical scavenger, provides neuroprotection in stroke models and patients. In this study, we investigated its neuroprotective effects in a chronic rotenone rat model for Parkinson's disease. Here we showed that a five-week treatment with edaravone abolished rotenone's activity to induce catalepsy, damage mitochondria and degenerate dopamine neurons in the midbrain of rotenone-treated rats. This abolishment was attributable at least partly to edaravone's inhibition of rotenone-induced reactive oxygen species production or apoptotic promoter Bax expression and its up-regulation of the vesicular monoamine transporter 2 (VMAT2) expression. Collectively, edaravone may provide novel clinical therapeutics for PD.
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