Protective effect of resveratrol against intracortical FeCl3-induced model of posttraumatic seizures in rats

被引:38
作者
Gupta, YK [1 ]
Chaudhary, G [1 ]
Sinha, K [1 ]
Srivastava, A [1 ]
机构
[1] All India Inst Med Sci, Dept Pharmacol, Neuropharmacol Lab, New Delhi 110029, India
来源
METHODS AND FINDINGS IN EXPERIMENTAL AND CLINICAL PHARMACOLOGY | 2001年 / 23卷 / 05期
关键词
FeCl3; free radicals; posttraumatic seizures; resveratrol;
D O I
10.1358/mf.2001.23.5.662120
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
The present study was carried out to investigate the effect of trans-resveratrol, a potent antioxidant, against FeCl3-induced posttraumatic seizures. Male Wistar rats weighing 200-250 g were implanted with epidural electrodes and allowed to recover. After the recording of baseline EEG, FeCl3 (5 mul, 100 mM) was administered intracortically over a period of 5 min and EEG was monitored for 2 h. Subsequently, rats were sacrificed for the estimation of oxidative stress markers, i.e., malondialdehyde (MDA) and glutathione in whole brain tissue. A sham group was run parallel with saline (pH adjusted) and similar protocol for EEG recording and estimation of oxidative stress markers was followed. FeCl3-treated animals exhibited epileptiform EEG changes (high amplitude sharp waves of increased frequency and polyspikes) within 15 min, which continued throughout the period of observation. The level of MDA was found to be significantly elevated, whereas insignificant change was observed in the level of glutathione, trans-Resveratrol (20 and 40 mg/kg i.p.) administered 30 min before FeCl3 injection delayed the onset of the appearance of epileptiform EEG changes. The brain MDA levels were also significantly reduced in the trans-resveratrol-treated animals as compared to the vehicle-treated FeCl3-injected rats. The findings show the protective effect of trans-resveratrol in the FeCl3-induced seizure model of posttraumatic seizures. (C) 2001 Prous Science. All rights reserved.
引用
收藏
页码:241 / 244
页数:4
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