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Neuroprotective effect of osthole against acute ischemic stroke on middle cerebral ischemia occlusion in rats
Update time:2012-03-09 15:50:41   【 Font: Large  Medium Small

Osthole, a natural coumarin derivative, has taken considerable attention because of its diverse pharmacological functions. It has been reported to be useful in the treatment of chronic cerebral hypoperfusion and neuronal damage. In the present study, we examined the neuroprotective effect of osthole and its potential mechanisms against acute ischemic stroke induced by middle cerebral artery occlusion (MCAO) in rats. The rats were pretreated with osthole 10, 20 and 40 mg/kg 30 min before MCAO. The neuroprotective effect of osthole against acute ischemic stroke was evaluated by neurological deficit score (NDS), dry–wet weight and 2,3,5-triphenyltetrazolium chloride (TTC) staining. The contents of malondialdehyde (MDA) and glutathione (GSH), activity of myeloperoxidase (MPO) and the level of interleukin (IL)-1β and IL-8 after 2 h of MCAO in rats were detected to investigate its anti-oxidative action and anti-inflammatory property. Pretreatment with osthole significantly increased in GSH, and decreased the volume of infarction, NDS, edema, MDA, MPO, IL-1β and IL-8 compared with rats in the MCAO group at 24 h after MCAO. The study suggests the neuroprotective effect of osthole in the MCAO model of rats. The antioxidative action and anti-inflammatory property of osthole may contribute to a beneficial effect against stroke. 

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Source:B R A I N R E S E A R C H      by Xiaodong Chao, Jun Zhou, Tao Chen, Wenbo Liu, Wenpeng Dong, Yan Qu,Xiaofan Jiang, Xituan Ji, Haining Zhen, Zhou Fei
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