期刊
BIOLOGICAL TRACE ELEMENT RESEARCH
卷 139, 期 1, 页码 81-96出版社
HUMANA PRESS INC
DOI: 10.1007/s12011-010-8643-z
关键词
Se-Mel; Middle cerebral artery occlusion; Oxidative stress; Neuroprotection; Neurobehavior
资金
- Department of Ayurveda, Yoga and Naturalpathy, Unani, Siddha and Homeopath (AYUSH), Ministry of Health and Family Welfare, Government of India, New Delhi
The synergistic scavenger effects of selenium and melatonin collectively we called Se-Mel was studied on the prevention of neuronal injury induced by ischemia/reperfusion. Male Wistar rats were treated with sodium selenite (0.1 mg/kg, i.p.) and melatonin (10 mg/kg, i.p.) 30 min before the middle cerebral artery occlusion (MCAO) and immediately after MCAO and continued for 3 days once daily at the interval of 24 h. Behavioral activity (spontaneous motor activity and motor deficit) was improved in Se-Mel-treated rats as compared to MCAO group rats. The level of glutathione and the activity of antioxidant enzymes was depleted significantly while the content of thiobarbituric acid reactive substances, protein carbonyl, and nitric oxide radical (NO center dot) was increased significantly in MCAO group. Systemic administration of Se-Mel ameliorated oxidative stress and improves ischemia/reperfusion-induced focal cerebral ischemia. Se-Mel also inhibited inducible nitric oxide synthase expression in Se-Mel+MCAO group as compared to MCAO group rats. Thus, Se-Mel has shown an excellent neuroprotective effect against ischemia/reperfusion injury through an anti-ischemic pathway. In conclusion, we demonstrated that the pretreatment with Se-Mel at the onset of reperfusion, reduced post-ischemic damage, and improved neurological outcome following transient focal cerebral ischemia in male Wistar rat.
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