• 동의생리병리학회지
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• 제17권6호
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• pp.1448-1452
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• 2003

The water extract of Scutellariae radix was treated to rat and the primary culture of hepatocytes, and the expressions of several glutathione S-transferase (GST) isozymes and the activity of GST Yc1/2 were investigated by Western blot and by the use of HPLC. The results were obtained as follows: The water extract of Scutellariae radix did not induce the expressions of cytosolic GST Ya and GST Yp in rat livers. But, the extract increased the expression of cytosolic GST Yc1/2 to 2-4 fold higher than control. The expression of GST Yc1/2 in the primary culture of rat hepatocytes was induced by the water extract of Scutellariae radix in a dose-dependent manner, reaching 21-fold over control with 50 ㎍/㎖ treatment. The induction of the expression of GST Yc1/2 in rat livers increased the formation of AFB₁-glutathione conjugate from AFB₁-8,9-epoxide which was made in the metabolism of AFB₁.

• 동의생리병리학회지
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• 제18권2호
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• pp.457-462
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• 2004

Bambusae Caulis in Liquamen has been used as a herbal medicine for the treatment of heat, paralysis of the hands or feet, or hemiplegia. In the present study, we investigated the effect of Bambusae Caulis in Liquamen to the phenylephrine (PE) induced contraction of isolated rat aorta Contractile force was measured with force displacement transducer under 1.5 g loading tension. Contractions evoked by PE 0.1 μM were significantly increased by low dosage of Bambusae Caulis in Liquamen, decreased by high dosage of Bambusae Caulis in Liquamen. L-NNA, ODQ and propranolol significantly altered the effect of Bambusae Caulis in Liquamen, but indomethacin did not change the relaxation of Bambusae Caulis in Liquamen. These results suggest that Bambusae Caulis in Liquamen can relax EP induced contraction of isolated rat aorta and that this decreasing contraction related to sympathetics.

• 동의생리병리학회지
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• 제20권4호
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• pp.830-843
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• 2006

Clinical evidence suggests that Nelumbinis Semen extracts have antidepressive properties and may offer an interesting alternative for the treatment of mood disorders. It was the aim of the present study to compare the effects of Nelumbinis Semen extracts with those of fluoxetine and hypericum perforatum extract in the rat forced swimming test (FST) and chronic mild stress (CMS), a model of depression. In the FST, p.o. administration of Nelumbinis Semen extracts (1 mg) induced a statistically significant reduction of immobility. The active behaviors in that test did not reflect decreased general activity because Nelumbinis Semen extracts failed to alter the locomotor activity of rats, measured in the open field test. Moreover Nelumbinis Semen extracts was superior to fluoxetine and hypericum perforatum extract in the incidence of sexual side-effects. These effects of Nelumbinis Semen extracts on the rat behavior is to be ascribed to increased Cytochrome c oxidase polypeptide Vla-liver, Mitogen-activated protein kinase 1 , Adenylosuccinate synthetase, and Aldehyde dehydrogenase in rat hippocampus.

• 동의생리병리학회지
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• 제21권3호
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• pp.705-708
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• 2007

The objective of the study was to observe the anti-diabetic effect of Solani nigri Herba(SH). The following experimental results were derived from the measurement of the levels of glucose, GOT and GPT in the serum and weight from a group of experimental rats by way of the injection of streptozotocin as well as the oral administration of Solani nigri Herba water extracts. The glucose level in the serum significantly decreased in the Solani nigri Herba-dosed group(SH2,12.6 mg/100 g rat weight) on the 10th day. The GOT level of SHI(4.2 mg/100 g Solani nigri Herba) and SH2 in the serum slightly decreased, but no significance to compare with control group. The GPT level of SH1 and SH2 in the serum slightly decreased, but no significance to compare with control group. The weight of rat of SH1 and SH2 in the serum slightly increased, but no significance to compare with control group. In conclusion, Solani nigri Herba appeared to have significance inhibitory effects on the rise of blood sugar level in the experimentally induced diabetics.

• 동의생리병리학회지
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• 제17권5호
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• pp.1299-1304
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• 2003

This study is to determine the effect of Fructus Rubi to the phenylehrine (PE) induced contraction of isolated rat aorta. Contractile force was measured with force displacement transducer under 1.5g loading tension. Contractions evoked by PE 0.1 μM and KCI 65.4 mM were decreased significantly by Fructus Rubi. L-NNA, ODQ, indomethacin and atropine significantly altered the effect of Fructus Rubi, but propranolol did not change the relaxation of Fructus Rubi. These results indicate that Fructus Rubi can relax EP and KCI induced contraction of isolated rat aorta and that this decreasing contraction related to epithelium, nitric oxide, and parasympathetics.

• 동의생리병리학회지
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• 제21권5호
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• pp.1176-1184
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• 2007

Chunmagudeungeumgamibang(CGE) has been used for many years as a therapeutic agent for acute stage of cerebrovascular disease and hypertension in oriental medicine. But the effect of CGE on hypertension and vascular system is not well-known. This study was done to investigate the effects of CGE on hypertension. The results were obtained as follow : CGE showed a safety in cytotoxicity and toxicity of liver. CGE showed scavenging activity on DPPH free radical. CGE showed the inhibitory effect on ROS and ACE. CGE significantly decreased the blood pressure and pulse in DOCA-salt hypertensive rat. CGE significantly decreased the levels of aldosterone in DOCA-salt hypertensive rat. CGE significantly decreased the levels of dopamine, epinephrine in DOCA-salt hypertensive rat. CGE significantly decreased the levels of potassium and chloride in DOCA-salt hypertensive rat. CGE significantly increased the levels of calcium in DOCA-salt hypertensive rat. These results suggest that CGE might be effective in treatment and prevention of hypertension

• 동의생리병리학회지
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• 제22권5호
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• pp.1240-1249
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• 2008

Kamigingansikpung-tang(KGST) has been used for many years as a therapeutic agent for acute stage of cerebrovascular disease and hypertension in oriental medicine. But the effect of KGST on hypertension and vascular system is not well-known. This study was done to investigate the effects of KGST on hypertension. The results were obtained as follow: KGST showed scavenging activity on DPPH free radical. KGST showed the inhibitory effect on ROS and ACE, and the accelerated SOD activity. KGST significantly decreased the blood pressure and pulse in DOCA-salt induced hypertensive rat. KGST significantly decreased the levels of aldosterone in DOCA-salt induced hypertensive rat. KGST significantly decreased the levels of dopamine, epinephrine in DOCA-salt induced hypertensive rat. KGST significantly decreased the levels of potassium(K+) and chloride(Cl-) in DOCA-salt induced hypertensive rat. KGST significantly decreased the levels of uric acid and creatine in DOCA-salt induced hypertensive rat. KGST has an effect on inhibiting cell damage of the heart, liver, kidney, and adrenal gland. results suggest that KGST might be effective in treatment and prevention of hypertension.

• 동의생리병리학회지
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• 제22권5호
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• pp.1299-1303
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• 2008

Since exercise training induces mechanical stress to the heart, we examined the activation pattern of mitogen-activated protein kinase(MAPK)s signaling pathway by immunohistochemistry. The immunoreactions of MAPKs signaling with c-fos and Schiff's reaction were increased in the cardiac muscle of exercised rat compared to normal one except immunoreaction for MEK1/2 and ERK1/2 and p38. However, the immunoreaction of phospho-JNK and phospho-p38 with early gene c-fos were arrested markedly in water extract of Alliium sativum (WEAS) treated rat compared to exercised one. Since MAPKs signaling does play a protective role in response to pathological stimulus in the heart, results in the present study suggest that WEAS may act as a alleviating agent for exercise-induced stress to. heart through regulating MAPKs signaling activation.

• 동의생리병리학회지
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• 제22권1호
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• pp.162-170
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• 2008

Kamisungihwalhyul-tang(KSHT) has been used for many years as a therapeutic agent for cerebrovascular disease and hypertension in Oriental Medicine. But the effect of KSHT on hypertension and reactive oxygen is not well-known. This study was examined to investigate the effect of KSHT on hypertension and reactive oxygen. After administering KSHT extract to Sprague- Dawley Rat forinjected subcutaneous with deoxycorticosterone acetate(DOCA) 8 weeks, changes in blood pressure, pulse rate, 2,2-diphenyl-1-picrylhydrazyl, reactive oxygen species, angiotensin converting enzyme, aldosterone, catecholamine levels, electrolyte, uric acid, BUN, creatinine in plasma were examined, and immunohistochemical changes and scanning electron microscopic changes were observed. 2,2-diphenyl-1-picrylhydrazyl(DPPH) scavenging activity was increased, reactive oxygen species(ROS) was decreased in a KSHT concentration-dependent. Angiotensin converting enzyme(ACE) inhibitory activity was increased in a concentration-dependent by KSHT. KSHT significantly decreased the blood pressure and heart rate in DOCA-salt hypertensive rat. KSHT significantly decreased the levels of aldosterone in DOCA-salt hypertensive rat. KSHT significantly decreased the level of dopamine, norepinephrine, epinephrine in DOCA-salt hypertensive rat. $Na^+$, $K^+$ and Cl- were decreased significantly, $Ca^{2+}$ was increased significantly by KSHT. KSHT significantly decreased uric acid, BUN, creatinine.

• 동의생리병리학회지
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• 제16권6호
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• pp.1207-1210
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• 2002

To examine the cardiotoxic effect of adriamycin on cultured rat myocardial cells, cytotoxicity was measured by MTT assay after cultured myocardial cells were grown with various concentrations of adriamycin(ADA) for 48 hours. The protective effect of Benincasae Semen(BS) on ADR-induced cardiotoxicity was also examined in these cultures. ADR decreased cell viability of cultured rat myocardial cells remarkably in a dose- and time-dependent manners. In protective effect of BS, it was very effective in blocking ADR-induced cytotoxicity. From these results, it is suggested that ADR shows cardioxicity, and the herba extract, as is very effective in preventing ADR-induced cytotoxicity on cultured rat myocardial cells.