Effect of Salvia Miltiorrhiza Bunge on Cerebral Infarct in Ischemia-reperfusion Injured Rats

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Title:	Effect of Salvia Miltiorrhiza Bunge on Cerebral Infarct in Ischemia-reperfusion Injured Rats
Authors:	姥芝瑞(Chih-Jui Lao)、林昭庚(教授，研，董事)、(Jon-Son Kuo)、江素瑛(Su-yin Chiang)、(Shu-Chao Chen)、(En-Tzu Liao)、謝慶良(Ching-Liang Hsieh)*
Contributors:	中醫學院中西醫結合研究所;中國附醫中醫內科
Keywords:	Salvia Miltorrhiza Bunge;Cerebral Infarct;Ischemia-reperfusion;Free Radicals
Date:	2003
Issue Date:	2009-08-24 14:39:54 (UTC+8)
Abstract:	According to the theory of traditional Chinese medicine, cerebral infarction results from blood stasis, and the method of quickening the blood and dispelling stasis is used to treat cerebral infarct. Salvia Miltorrhiza Bunge (SM) is a Chinese herb, which is considered to have an action of quickening the blood and dispelling stasis, and is frequently used to treat related disorders of blood stasis such as cerebrovascular accident and ischemic heart disease. The aim of the present study was to investigate the effect of SM on cerebral infarct in ischemia-reperfusion injured rats. A total of 30 Sprague-Dawley (SD) rats were studied. A model of focal cerebral infarct was developed by occluding both common carotid arteries and the right middle cerebral artery for 90 minutes. After 24 hours reperfusion, the rats were killed and the brain tissue was stained with 2, 3, 5-triphenyl-tetrazolium chloride (TTC). The areas of cerebral infarct were calculated, and lumino-chemiluminesence (CL) counts and lucigenin-CL counts of peripheral blood taken at this time were measured. The changes in the area of cerebral infarct were used as an index to evaluate the effect of SM on cerebral infarct. The results indicated that pretreatment with intraperitoneal injection of 30 mg/kg and 15 mg/kg SM reduced the area of cerebral infarct and also reduced the luminol-CL counts of peripheral blood in ischemia-reperfusion injured rats. This study has demonstrated that SM can reduce the area of cerebral infarct in ischemia-reperfusion injured rats, suggesting it may be useful in the treatment of cerebral infarct in humans. The therapeutic effect of SM may be partly due to its free radical scavenging activities.
Relation:	AMERICAN JOURNAL OF CHINESE MEDICINE 31(2)191 ~200
Appears in Collections:	[Graduate Institute of Integrated Medicine] Journal articles

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