Title |
Neuroprotective effects of edaravone-administration on 6-OHDA-treated dopaminergic neurons
|
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Published in |
BMC Neuroscience, August 2008
|
DOI | 10.1186/1471-2202-9-75 |
Pubmed ID | |
Authors |
Wen Ji Yuan, Takao Yasuhara, Tetsuro Shingo, Kenichiro Muraoka, Takashi Agari, Masahiro Kameda, Takashi Uozumi, Naoki Tajiri, Takamasa Morimoto, Meng Jing, Tanefumi Baba, Feifei Wang, Hanbai Leung, Toshihiro Matsui, Yasuyuki Miyoshi, Isao Date |
Abstract |
Parkinson's disease (PD) is a neurological disorder characterized by the degeneration of nigrostriatal dopaminergic systems. Free radicals induced by oxidative stress are involved in the mechanisms of cell death in PD. This study clarifies the neuroprotective effects of edaravone (MCI-186, 3-methyl-1-phenyl-2-pyrazolin-5-one), which has already been used for the treatment of cerebral ischemia in Japan, on TH-positive dopaminergic neurons using PD model both in vitro and in vivo. 6-hydroxydopamine (6-OHDA), a neurotoxin for dopaminergic neurons, was added to cultured dopaminergic neurons derived from murine embryonal ventral mesencephalon with subsequet administration of edaravone or saline. The number of surviving TH-positive neurons and the degree of cell damage induced by free radicals were analyzed. In parallel, edaravone or saline was intravenously administered for PD model of rats receiving intrastriatal 6-OHDA lesion with subsequent behavioral and histological analyses. |
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