NDLI: Resveratrol Attenuates the Blood-Brain Barrier Dysfunction by Regulation of the MMP-9/TIMP-1 Balance after Cerebral Ischemia Reperfusion in Rats

Content Provider	Springer Nature Link
Author	Wei, Haidong Wang, Shiquan Zhen, Luming Yang, Qianzi Wu, Zhixin Lei, Xiaoming Lv, Jianrui Xiong, Lize Xue, Rongliang
Copyright Year	2014
Abstract	The collapse of the blood-brain barrier (BBB) is one of the fundamental pathophysiology changes during cerebral ischemia reperfusion injury. Resveratrol has been recently reported to reduce cerebral ischemic damage by regulating the matrix metalloproteinase-9 (MMP-9). But, more direct evidence for the explanation of the BBB protected by resveratrol against cerebral ischemia reperfusion is still lacking. Therefore, the present study was aimed to investigate the regulation of BBB integrity by resveratrol after cerebral ischemia reperfusion and to determine the role of the MMP-9 and its endogenous inhibitor TIMP-1 balance in this process. Cerebral ischemia was induced by middle cerebral artery occlusion in rats. The BBB function was evaluated by brain water content and the Evans blue dye extravasation; the activities of MMP-9 and TIMP-1 were detected by using gelatin zymography analysis, and cellular apoptosis was examined by TUNEL staining. We confirmed that resveratrol reduced the cerebral ischemia reperfusion damage, brain edema, and Evans blue dye extravasation. Moreover, we found that resveratrol improved the balance of MMP-9/TIMP-1 in terms of their expressions and activities. A TIMP-1 neutralizing antibody reversed those neuroprotective effects of resveratrol. In conclusion, resveratrol attenuated the cerebral ischemia by maintaining the integrity of BBB via regulation of MMP-9 and TIMP-1.
Starting Page	872
Ending Page	879
Page Count	8
File Format	PDF
ISSN	08958696
Journal	Journal of Molecular Neuroscience
Volume Number	55
Issue Number	4
e-ISSN	15591166
Language	English
Publisher	Springer US
Publisher Date	2014-10-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Resveratrol Cerebral ischemia Blood-brain barrier Matrix metalloproteinase Tissue inhibitor of metalloproteinase Neurosciences Neurochemistry Cell Biology Proteomics Neurology
Content Type	Text
Resource Type	Article
Subject	Medicine Cellular and Molecular Neuroscience

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