Abstract Title:

Neuroprotective effect of curcumin on transient focal cerebral ischemia in rats.

Abstract Source:

Brain Res. 2008 Sep 10;1229:224-32. Epub 2008 Jul 8. PMID: 18640105

Abstract Author(s):

Jing Zhao, Yong Zhao, Weiping Zheng, Yuyu Lu, Gang Feng, Shanshan Yu

Article Affiliation:

Department of Pathophysiology, Chongqing Medical University, Chongqing, 400016, PR China. blys01@163.com

Abstract:

Curcumin, a member of the curcuminoid family of compounds, is a yellow colored phenolic pigment obtained from the powdered rhizome of C. longa Linn. Recent studies have demonstrated that curcumin has protective effects against cerebral ischemia/reperfusion injury. However, little is known about its mechanism. Hence, in the present study the neuroprotective potential of curcumin was investigated in middle cerebral artery occlusion (MCAO) induced focal cerebral IR injury. Administration of curcumin 100 and 300 mg/kg i.p. 60 min after MCAO significantly diminished infarct volume, and improved neurological deficit in a dose-dependent manner. Nissl staining showed that the neuronal injury was significantly improved after being treated with curcumin. Curcumin significantly decreased the expression of caspase-3 protein. A higher number of TUNEL-positive cells were found in the vehicle group, but they were significantly decreased in the treated group. Taken together, these results suggest that the neuroprotective potentials of curcumin against focal cerebral ischemic injury are, at least in part, ascribed to its anti-apoptotic effects.

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