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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Tu, Qiuyun Wang, Ranran Ding, Binrong Zhong, Wei Cao, Hui |
| Description | Author Affiliation: Tu Q ( Department of Geriatrics, Third XiangYa Hospital of Central South University, Changsha 410013, People's Republic of China.) |
| Abstract | It is well documented that oxidative stress has been implicated as one of the leading causes for brain damage induced by cerebral ischemia/reperfusion (I/R). In this study, we assessed the potential cerebraprotective and antioxidant effects of the polysaccharides (DSP) from the roots of Salvia miltiorrhiza against global cerebral I/R injury in an animal model established by blocking bilateral common carotid arteries (BCCA) for 30 min followed by reperfusion for 24 h. The rats were treated with their respective treatments for 10 days prior to the BCCA occlusion. After that, animals were sacrificed by decapitation, brain was removed, and various biochemical estimations, cerebral edema and assessment of cerebral infarct size were carried out. We found that pretreatment with DSP significantly decreased the neurological deficit scores, percentage of infarction and brain edema and the generation of mitochondrial reactive oxygen species (ROS). Moreover, DSP also increased mitochondria superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) activities and reduced malondialdehyde (MDA) production in cerebral ischemia brain. In conclusion, these studies suggest that pretreatment with DSP provides significant protection against cerebral I/R injury in rats most probably by virtue of its antioxidant property. |
| File Format | HTM / HTML |
| ISSN | 01418130 |
| Volume Number | 60 |
| e-ISSN | 18790003 |
| Journal | International Journal of Biological Macromolecules |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-09-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Brain Ischemia Drug Therapy Pathology Drugs, Chinese Herbal Chemistry Phenanthrolines Polysaccharides Pharmacology Reperfusion Injury Prevention & Control Animals Brain Drug Effects Metabolism Catalase Glutathione Peroxidase Male Malondialdehyde Mitochondria Rats Reactive Oxygen Species Superoxide Dismutase Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology Biochemistry |
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