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桃紅四物湯이 Endotoxin으로 誘發된 血栓症에 미치는 影響
禹元洪,鄭遇悅,郭瑾信,田炳薰 대한동의병리학회 1990 동의생리병리학회지 Vol.5 No.-
This study was performed to investigate the effect of Dohongsamooltang on the intravascular coagulation induced by endotoxin in rats. The intravascular coagulation was induced by injecting endotoxin in the caudal vein of rats. And these rats were treated with extract of Dohongsamooltang-1.0ml/200g (Group Ⅰ) and Dohongsamooltang-2.0ml/200g (Group Ⅱ), which were administered orally. Then the numbers of blood cells, concentration of fibrinogen and FDP(fibrin-fibrinogen degradation products) were measured. The following results were obtained; 1. The number of red blood cells decreased significantly in the trial group compared with the control group. 2. The number of white blood cells increased in the trial group compared with the control group, but it is not significant. 3. The number of platelets increased in the trial group, but it is not significant. 4. Prothrombin time was shortened significantly in the Group Ⅱ compared with the control group. 5. Concerning the concentration of fibrinogen, trial groups showed increases but it is not significant. 6. Concerning the degree of concentration of FDP, the trial groups revealed significant decreases. According to the above results, it is considered that Dohongsamooltang has the significant effects on the thrombosis. Therefore Dohongsamooltang seem to be applicable to the diseases related to the thrombosis.
甘草水抽出物이 HM3KO 細胞의 멜라닌 생성에 미치는 영향
임숙정,임난영,이성원,곽근신,안성훈,문연자,우원홍 대한동의생리학회,대한동의병리학회 2003 동의생리병리학회지 Vol.17 No.2
This study was conducted to evaluate the effects of Glycyrrhizae Radix water extract, known as depigmenting agent, on melanin biosynthesis in the HM3KO human melanoma cells. The inhibitory effect of Glycyrrhizae Radix water extract on melanogenesis was identified by mushroom tyrosinase assay in vitro. To determine whether Glycyrrhizae Radix water extract suppress melanin synthesis in cellular level, HM3KO cells were cultured in the presence of different concentrations of Glycyrrhizae Radix water extract and the effects on cell proliferation, melanin contents and tyrosinase activity were examined after 3 days. Treatment with Glycyrrhizae Radix at various concentrations did not exhibit any change of cell viability, and increased the cell proliferation. And the water extract of Glycyrrhizae Radix inhibited melanin contents and tyrosinase activity in a dose-dependent manner, compared with untreated group. These results suggest that the inhibitory effect of Glycyrrhizae Radix water extract on melanogenesis is due to the suppression of tyrosinase in HM3KO cells.