• The Journal of Internal Korean Medicine
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• v.23 no.2
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• pp.292-297
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• 2002

Fire is known as one of the most common causes of stroke. Chest fever with dysphoria caused by heat in the stomach is one of the fire symptoms, meaning feeling oppressed in the chest. We observed two stroke patients who had chest fever with dysphoria. These patients' clinical symptoms were headache, thirst, heat in the upper part of the body and constipation. They were diagnosed as Chest fever with dysphoria. It is assumed that Exuberance of Yang causes heat. We treated them with Yangkyuksanhoa-tang(凉膈散火湯) based on Dong Ui Su Se Bo Won for about 2 weeks. During this period, we observed that their symptoms of heat in the upper part of the body and constipation had been improved. We suggest that Yangkyuksanhoa-tang makes the balance between water and fire, and improves chest fever with dysphoria of stroke patients.

• Journal of Sasang Constitutional Medicine
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• v.13 no.2
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• pp.165-176
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• 2001

This study demonstrates the effects of Yanggyuksanhwa-Tang, Sasang constitutional herb prescription reported its clinical effect on the stroke of the So-yang In(少陽人), on the cerebral blood flow changes induced by nitro L-arginine methyl ester (L-NAME) treatment and ischemic brain damage induced by the middle cerebral artery occlusion (MCAO) in the rats. The changes of the arterial blood pressure, cerebral blood flow, and the diameter of the pial artery were measured in rats treated with L-NAME. And the changes of the infarct size, volume, and plasma tumor necrosis factor alpha ($TNF-{\alpha}$) levels were measured in the rats that the middle cerebral artery has been occluded by the intraluminal suture thread method. Yanggyuksanhwa-Tang was administered by the i.v. injection on the L-NAME treated rats, by the i.o. administration on the MCAO rats. The results is 1. The changes of the arterial blood pressure was not different statistically between in the L-NAME treated control group and in the Yanggyuksanhwa-Tang administered group. 2. Increase in the cerebral blood flow induced by L-NAME treatment was attenuated in the Yanggyuksanhwa-Tang administered group significantly (P<0.05) as compared with the L-NAME treated control group. 3. Decrease in the diameter of the pial artery induced by L-NAME treatment was attenuated about 18% in the Yanggyuksanhwa-Tang administered group as compared with the L-NAME treated control group. 4. Ischemic damaged infarct areas were decreased significantly (P<0.05) in the interaural 12mm, 10mm, and 6mm brain sections of the Yanggyuksanhwa-Tang administered group as compared the MCA occluded control group. 5. Total ischemic infarct volume was decreased significantly (P<0.05) in the Yanggyuksanhwa-Tang administered group as compared the MCA occluded control group. 6. Plasma $TNF-{\alpha}$ levels were decreased significantly (P<0.01) in the Yanggyuksanhwa-Tang administered group as compared the MCA occluded control group.

• Journal of Pharmaceutical Investigation
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• v.15 no.2
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• pp.63-72
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• 1985

Analgesic, anticonvulsive, sedative and antipyretic actions of Yangkyuksanwhatang which is composed of nine crude drugs including Rehmanniae Radix, and its effects on isolated ileum and blood vessel were investigated. The results of the studies were summerized as follows; 1. Analgesic and antipyretic effects were observed. 2. Suppressive actions were not shown on the convulsion induced by strychnine, but significant effects were noted on the convulsion induced by picrotoxin. 3. A prolongation of anesthetic time induced by pentobarbital sodium was significantly observed. 4. Relaxing actions were noted on the ileum of mice, and also, same effects were recognized on the contraction of the ileum due to acetylcholine chloride and barium chloride. 5. The expansion of blood vessels by relaxation of smooth muscle and hypotensive effects were noted.

• Journal of Sasang Constitutional Medicine
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• v.21 no.3
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• pp.131-137
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• 2009

1. Objectives: The aim of this study is data analysis for acute toxicity and safety of Yangkyuksanhwa-tang. 2. Methods: We investigated the acute toxicity for water-extracted Yangkyuksanhwa-tang. 25 male and 25 female mice were observed for 14 days after one day oral administration of Yangkyuksanhwa-tang at the respective doses of 0(control group), 2560, 3200, 4000 and 5000 mg/kg. 3. Results: We observed survival rates, general toxicity, change of body weight and autopsy. 4. Conclusions: The data confirmed that Yangkyuksanhwa-tang is free from the toxicity and safety problems in oral route respectively. Compared with the control group, we could not find any toxic alteration in all treated groups(2560, 3200, 4000 and 5000 mg/kg). In conclusion, LD50 of Yangkyuksanhwa-tang was over 5000 mg/kg and it is very safe to mice.

• The Journal of Korean Medicine
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• v.17 no.2 s.32
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• pp.145-160
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• 1996

Effects of Ryangkeogsanwhatang on the obesity of white mouse induced by gold thioglucose. It is researched to elucidate the effect of Ryangkeogsanwhatang on the obesity of white mouse induced by gold thioglucose and the differentiation and growth of preadipocyte, 3T3-L1. The result were as follows. 1. Ryangkeogsanwhatang extract improved the blood level of transaminase changed by the obesity of white mouse induced by gold thioglucose. 2. Ryangkeogsanwhatang extract inhibited the increase of liver fat and body fat induced by the obesity of white mouse induced by gold thioglucose. 3. Ryangkeogsanwhatang extract inhibited the increase of body weight induced by the obesity of white mouse induced by gold thioglucose. 4. Ryangkeogsanwhatang extract inhibited the growth of undifferentiate preadipocyte 3T3-L1. 5. Ryangkeogsanwhatang extract showed inhibitory on the differentiation of preadipocyte 3T3-L1. The above results suggest that the Ryangkeogsanwhatang extract may be used on the obesity induced by the overgrowth and differentiation of adipocyte, and the accumulation of fat in liver and body.

• Journal of Physiology & Pathology in Korean Medicine
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• v.21 no.2
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• pp.474-478
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• 2007

This study evaluated effects of Yanggyuksanhwa-tang(YST) on diabetic rats. Diabetic condition in rats was induced by streptozotocin injection. Then control effect of YST was observed with changes of serum glucose, insulin, and triglyceride levels and hepatic glucokinse activity. YST treatment was resulted significant decrease of high serum glucose level of diabetic rats induced by streptozotocin at 5th day of YST treatment. YST treatment was resulted increase of low serum insulin level of diabetic rats induced by streptozotocin, but it was not significant statistically. YST treatment was resulted significant decrease of high serum triglyceride level of diabetic rats induced by streptozotocin at 3rd and 5th of YST treatment. YST treatment was resulted significant increase of low hepatic glucokinase activity of diabetic rats induced by streptozotocin at 5th day of YST treatment. These results suggest that YST has effects on serum glucose control against cerebral inchemic damage under diabetic condition.

• Journal of Physiology & Pathology in Korean Medicine
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• v.22 no.2
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• pp.321-327
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• 2008

This study evaluated neuroprotective effects of Yanggyuksanhwa-tang (YST) on global cerebral ischemia of diabetic rats. On primary experiment, diabetic condition in rats was induced by streptozotocin injection. Secondarily, global cerebral ischemia was induced by bilateral occlusion of the common carotid artery with hypotension (BCAO) under the diabetic condition. Then neuroprotective effect of YST was observed with changes of neuronal c-Fos and Bax expressions, and GFAP expression in the brain tissues by using immunohistochemistry. YST treatment was resulted significant decrease of c-Fos expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of Bax expression in CA1 hippocampus induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of c-Fos expression in cerebral cortex and caudoputamen induced by BCAO on diabetic rats. YST treatment was resulted significant decrease of GFAP expression in cerebral cortex induced by BCAO on diabetic rats. These results suggest that YST has effects on neuroprotection against cerebral ischemic damage under diabetic condition. And it is supposed that neuroprotective effect of YST reveals by anti-apoptosis mechanism.

• Journal of Sasang Constitutional Medicine
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• v.12 no.2
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• pp.153-161
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• 2000

1. Purpose This studies the regulatory effect of cytokine production in Soyangin patients with cerebral infarction by Yangkyuksanhwatang. 2 Method ELISA 3. Result & Conclusion Yangkyuksanhwatang(YST) is a prescription for the cerebral infarction (CI) patients of Soyangin according to Sasang constitution philosophy. Soyangin patients with CI were treated with YST during the acute stage. Clinical signs of CI disappeared markedly in about 2 to 4 weeks after oral administration of YST in all patients. The mean interleukin (IL)-2 plasma levels were slightly lower in the patients with CI than in the normal groups, whereas the mean IL-4, IL-6 and IgE levels were significantly higher in the patients. There were no significant differences in interferon- ${\gamma}$ (IFN- ${\gamma}$ ) levels between the groups. Serum IFN- ${\gamma}$ and IL-2 levels derived from T helper (Th)1 cells were elevated significantly in the patients with CI by YST administration. Significant reduced plasma levels of IL-4 and IL-6 derived from Th2 cells and IgE were observed in the patients treated with YST. During the period of YST administration, there were no other adverse effects. The data indicate that YST has a good CI treatment effect, and that its action may be due to regulation of cytokine production.

• Journal of Sasang Constitutional Medicine
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• v.14 no.3
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• pp.85-96
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• 2002

The purpose of this study is to examine the effects of sasang constitutional herbal extracts such as Yangkyuksanhwatang(YST) on EKG. For this purpose, 3 hospitalized Soyangin patients having heart disease history was selected. and changes of the symptoms and EKGs was investigated. We measured and observed EKG changes of before YST medication and after medication. The results of these experiments were as follows. 1. The activity of HR, PR, QRS was decreased on EKG2 comparison to EKG1 after Yangkyuksanhwatang(YST) medication 2. QT, QTC interval was prolonged after YST medication 3. RR time was prolonged after YST medication 4. The voltage of Q wave was decreased after YST medication From the above results, it is suggested that Yangkyuksanhwatang(YST) have influenced on EKG.

• Journal of Physiology & Pathology in Korean Medicine
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• v.21 no.3
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• pp.741-747
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• 2007

This study evaluated neuroprotective effects of Yanggyuksanhwa-tang (YST), which have been known to be efficacy in the treatment of the stroke and diabetes. on focal cerebral ischemia of diabetic rats. On primary experiment, diabetic condition in rats was induced by streptozotocin injection, then, focal cerebral ischemia was induced by the middle cerebral artery occlusion (MCAO) under the diabetic condition. Then neuroprotective effect of YST was observed with changes of infarct size and volume, expressions of c-Fos, Bax, and hypoxia inducible factor (HIF)-1${\alpha}$ in the brain tissues by using 2% 2,3,5-triphenyltetrazolium chloride (TTC) staining and immunohistochemistry. YST treatment showed a significant decrease of infarct size and volume induced by MCAO in diabetic rats. YST treatment showed a significant decrease of c-Fos and Bax positive neurons in cortex penumbra. YST treatment showed a decrease of HIF-l${\alpha}$ positive neurons in cortex penumbra, but it was not significant statistically. These results suggest that YST has effects on neuroprotection against cerebral infarct under diabetic condition. And it is supposed that neuroprotective effect of YST reveals by anti-apoptosis mechanism.