Journal
BRAIN RESEARCH
Volume 1385, Issue -, Pages 275-280Publisher
ELSEVIER
DOI: 10.1016/j.brainres.2011.02.015
Keywords
Osthole; Cerebral ischemia; MMP-9
Categories
Funding
- National Natural Science Foundation of China [30400547, 30560172, 30700202]
- NSFC-RGC HK [30731160617]
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Previously we demonstrated that Osthole, a natural coumarin, protects against focal cerebral ischemia/reperfusion-induced injury in rats. In the present study, the effects of Osthole on neurobehavioral functions, infarct volume and matrix metalloproteinase-9 (MMP-9) in a rat 2 h focal cerebral ischemia model were investigated. Osthole (100 mg/kg per dose) was administrated intraperitoneally 30 mm before ischemic insult and immediately after reperfusion. Osthole treatment significantly reduced neurological deficit score and infarct volume by 38.5% and 33.8%, respectively, as compared with the untreated animals. Osthole reversed ischemia-reperfusion-induced increase in MMP-9 protein level/activity as evidenced by Western blotting and gelatin zymography. Taken together, these results for the first time demonstrate that Osthole reduces infarct volume, restores neurobehavioral functions and downregulates MMP-9 protein level/activity in ischemia/reperfused brain. (C) 2011 Elsevier B.V. All rights reserved.
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