Anti-inflammation and antioxidant effect of Cordymin, a peptide purified from the medicinal mushroom Cordyceps sinensis, in middle cerebral artery occlusion-induced focal cerebral ischemia in rats

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• 作者：Jie Wang (1)
  Yong-Mei Liu (1) lymsd@163.com
  Wei Cao (1)
  Kui-Wu Yao (1)
  Zhen-Quan Liu (2)
  Jian-You Guo (3) guojianyou@126.com
• 关键词：Cordymin &#8211 ; Cordyceps sinensis &#8211 ; Focal cerebral ischemic/reperfusion (IR) injury &#8211 ; MCAO
• 刊名：Metabolic Brain Disease
• 出版年：2012
• 出版时间：June 2012
• 年：2012
• 卷：27
• 期：2
• 页码：159-165
• 全文大小：250.1 KB
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• 作者单位：1. Guang鈥檃nmen Hospital, China Academy of Chinese Medical Sciences, Beijing, 100053 People鈥檚 Republic of China2. School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing, 100029 People鈥檚 Republic of China3. Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101 People鈥檚 Republic of China
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Biomedicine
  Neurosciences
  Neurology
  Biochemistry
  Oncology
  
• 出版者：Springer Netherlands
• ISSN：1573-7365

文摘

Cordymin is a peptide purified from the medicinal mushroom Cordyceps sinensis. The present study investigated the effects of Cordymin in prevention of focal cerebral ischemic/reperfusion (IR) injury. The right middle cerebral artery occlusion model was used in the study. The effects of Cordymin on mortality rate, neurobehavior, grip strength, glutathione content, lipid Peroxidation, glutathione peroxidase activity, glutathione reductase activity, catalase activity, Na+K+ATPase activity glutathione S transferase activity and on the regulation of C3 and C4 protein level, polymorphonuclear cells, interleukin-1β and tumor necrosis factor-α in a rat model were studied respectively. Treatment (orally) of Cordymin significantly boosted the defense mechanism against cerebral ischemia by increasing antioxidants activity related to lesion pathogenesis. Restoration of the antioxidant homeostasis in the brain after reperfusion may have helped the brain recover from ischemic injury. Moreover, Cordymin significantly inhibited infiltration of polymorphonuclear cells and IR-induced up-regulation of the brain production of C3 protein level, interleukin-1β and tumor necrosis factor-α. Cordymin significantly improved the outcome in rats after cerebral ischemia and reperfusion in terms of neurobehavioral function. Our findings suggest that cordymin have a neuroprotective effect in the ischemic brain, which is due to the inhibition of inflammation and increase of antioxidants activity related to lesion pathogenesis. Cordymin can be used as potential preventive agent against cerebral ischemia-reperfusion injury.