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조구등(釣鉤藤)의 4-VO로 유발한 흰쥐뇌허혈에 대한 신경방어효과
李仁煥,林康鉉,李鍾錫,石庚浩,安德均,朴虎君,김頀哲 대한본초학회 1999 大韓本草學會誌 Vol.14 No.2
Uncariae Ramulus et Uncus(UR, ???) has sweet in flavour and slightly cold in property, acting on the liver and pericardium channels. This drug was described in a medical classic as having the ability to remove "heat", check hyperfunction of the liver and relieve dizziness, tremors, and convulsion, and subdue "endogenous wind". So this study was planned to check the neuroprotective effect of UR on the global ischemia induced by 4-vessel occlusion in Wistar rats. and UR extract was lyophilized after extraction with 70% methanol. We induced 4-vessel occlusion for 10 minutes and reperfused again. The number of CA1 pyramidal neurons were counted after 7 days of reperfusion under the cresyl violet staining. In 4-VO ischemia model, UR showed significantly neuroprotective effects(1,000 and 500 ㎎/㎏ of UR extracts, p<0.05) compared with control group. Each neuroprotective ratio was about 23.0%, 19.0% respectively. Consequently, Uncariae Ramulus et Uncus has neuroprotective effects on the global ischermia induced by 4-vessel occlusion in Wistar rats. So we expect that Uncariae Ramulus et Uncus can be used as a drug for neurodegenerative disease.
석창포 (石菖蒲) 의 4 - VO 로 유발한 흰쥐뇌허혈의 신경방어효과
金榮玉,金瑩洙,林康鉉,石庚浩,金善礪,朴珠暎,安德均,金頀哲 대한본초학회 2000 大韓本草學會誌 Vol.15 No.2
Acori Graminei Rhizoma(AR, 右??), the rhizome of Acorus gramineus Soland, whose property, flavour and channel tropism is pungent in flavour(辛), warm in property(溫), acting on the heart and stomach channels(歸心??), has the effects of inducing resuscitation, tranquilizing the mind(開?安神), resolving dampness, and regulating the functions of the stomach(化?和?). This drug is one of the popular drugs in traditional Korean medicine, which has been used to treat loss of consciousness and confusion of the mind(神志?亂) due to mental disturbance by pathogenic dampness in the course of febrile diseases, and palpitation(心?), insomina(失眼), amnesia(?忘) and tinnitus(耳?) due to isufficiency of the herat-qi. So, this study was planned to check the neuroprotective effect of AR on the global ischemia induced by 4-vessel occlusion in Wistar rats. AR extract was lyophilized after extraction with 70% methanol. We induced 4-vessel occlusion for 10 minutes and reperfused again. The number of CA1 pyramidal neurons were counted after 7 days of reperfusion under the cresyl violet staining. The results obtained that in 4-VO ischemia, AR showed significantly neuroprotective effects(1,000 and 500 ㎎/㎏ of AR extracts, p<0.05) compared with control group. Each neuroprotective ratio was about 16.8%, 13.8% respectively. Consequently, Acori Graminei Rhizoma has neuroprotective effects on the global ischemia induced by 4-vessel occlusion in Wistar rats.