Neuroprotective effect of morroniside on focal cerebral ischemia in rats

Brain Research Bulletin
Wen WangLin Li

Abstract

Cornus officinalis Sieb. et Zucc., known as Shan-zhu-yu in Chinese, has been used to treat cerebrovascular disease and diabetes in Traditional Chinese Medicine for a long time and morroniside is the main component of Shan-zhu-yu. In this study, we examined whether morroniside could protect ischemia/reperfusion-induced brain injury by minimizing oxidative stress and anti-apoptosis. Morroniside was intragastrically administered to rats in doses of 30, 90 and 270mg/kg/day, starting 3h after the onset of middle cerebral artery occlusion. The behavioral test was performed by using the Zea-Longa scores, Prehensile Traction score and Ludmila Belayer score. Rats were sacrificed 3 days after ischemia occurred. The infarction volume of brain was assessed in the brain slices stained with 2,3,5-triphenyl tetrazolium chloride. Cortex tissues were also used for determination of malondialdehyde levels, glutathione levels and superoxide dismutase. The treatment with morroniside significantly improved Zea-Longa scores and Prehensile Traction score at the doses of 30, 90 and 270mg/kg, increased Ludmila Belayer score and reduced the infarction volume at the doses of 90 and 270mg/kg. Morroniside (30, 90 and 270mg/kg) treatment significantly decrea...Continue Reading

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Citations

Feb 25, 2014·Journal of Neuroimmune Pharmacology : the Official Journal of the Society on NeuroImmune Pharmacology·Yong GuJiangang Shen
Jan 9, 2013·Neurochemical Research·Kimikazu FujitaEiichi Miyachi
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