Protection of Effective Component Group from Xiaoshuan Tongluo on Brain Injury after Chronic Hypoperfusion in Rats
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摘要:
Abstract:
Objective To investigate the protective effects of purified effective component group in extract from Xiaoshuan Tongluo (CGXT) formula on chronic brain ischemia in rats. Methods CGXT 75, 150, and 300 mg/kg or vehicle were ig administered daily for four weeks to rats with bilateral common carotid arteries ligation (BCCAL). From the day 24 to 28 after BCCAL, Morris water maze was performed to assess the learning and memory impairment of rats. Four weeks after BCCAL, brain gray and white matter damage were assessed. Results In Morris test, the mean escape latency of rats in the CGXT (150 and 300 mg/kg) groups was significantly shorter than that in the vehicle group. CGXT also attenuated the neuronal damage in hippocampus and cortex and reduced the pathological damage in the optic tract and corpus callosum. Conclusion CGXT could improve learning and memory impairment resulted from BCCAL in rats. These results provide the experimental basis for the clinical use of CGXT in stroke treatment and may help in investigation of multimodal therapy strategies in ischemic cerebrovascular diseases including stroke.
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National Natural Science Foundation of China (30630073)
TAN Chu-bing, WANG Hong-qing, TIAN Shuo, GAO Mei, XU Wei-ren, CHEN Ruo-yun, DU Guan-hua. Protection of Effective Component Group from Xiaoshuan Tongluo on Brain Injury after Chronic Hypoperfusion in Rats[J]. Chinese Herbal Medicines (CHM),2011,3(3):202-206
