Effect of Chinese Patent Medicine Naodesheng against Repeated Transient Global Cerebral Ischemia in Mice
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Abstract:
Objective To investigate the therapeutic effect and possible mechanisms of Chinese ptent medicine Naodesheng(NDS) on repeated transient global cerebral ischemia(GCI) in mice. Methods The repeated transient GCI mice were induced by bilateral carotid arteries ligation, and were randomly divided into model group, Sham group without arteries ligation, NDS groups(1.25 and 2.5 g/kg) and positive control(vinpocetine 3.1 mg/kg, VP) group. After oral administration once daily for successive 7 d, the transient GCI was induced. The degree of neurological deficit, histological changes, and neurons loss in the hippocampus were evaluated. In order to investigate the possible mechanisms, the oxidative stress and inflammatory factor were measured after 24 h of GCI. Comparison among multiple groups was performed with one-way analysis of variance(ANOVA). Results NDS could significantly alleviate the neurological function impairment, histological injury, and neurons loss, increase the superoxide dismutase(SOD) activity, decrease the content of malondialdehyde(MDA), and reduce inflammatory factor in the ischemic brain tissue. Conclusion NDS could significantly reduce brain injury induced by global ischemia, and its mechanism is closely associated with anti-oxidation and anti-inflammation.
Chun-hua Hao, Wen-gong Xi, Hai-juan Zheng, Wei-ting Wang, Zhuan-you Zhao. Effect of Chinese Patent Medicine Naodesheng against Repeated Transient Global Cerebral Ischemia in Mice[J]. Chinese Herbal Medicines (CHM),2015,7(4):339-343
