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심혈관계의 중추조절에 대한 Prostaglandin F<sub>2α</sub>의 영향
이상복(S.B. Lee),김인순(I.S. Kim),김옥녀(O.N. Kim),조규철(K.C. Cho) 대한약리학회 1982 대한약리학잡지 Vol.18 No.1
This study was carried out in order to clarify whether the cardiovascular effect of prostaglandin(PG) F<sub>2α</sub> might be centrally mediated. In unrestrained conscious rat, PGE<sub>2α</sub> was administered into the lateral ventricle. The mechanism of action was also studied by observing the interaction with several adrenergic antagonists injected subcutaneously, Indomethacin was administered into lateral ventricle to investigate the role of endogenous PGE<sub>2α</sub> on the central regulation of cardiovascular system. The results were as follows: 1) The intraventricular injection of PGE<sub>2α</sub> produced an increase in blood pressure and heart rate. 2) The pretreatment with phenoxybenzamine (2 mg/g, s.c.) inhited pressor, but not heart rate responses to the intraventricular injection of PGE<sub>2α</sub> (2μg/kg). 3) The pretreatment with propranolol (1 mg/kg, s.c.) inhibited tachycardia, but not pressor responses to the intraventricular injection of PGE<sub>2α</sub>(2μg/kg). 4) The intraventricular injection of indomethacin (40μg/kg) could not induce significant changes in blood preesure and heart rate. 5) The result indicates that intraventricular injection of PGE<sub>2α</sub> produces pressor and tachycardia responses in the unanesthetized rat, and it is mediated primarily by centrally increased sympathetic outflow. But the endogenous PGE<sub>2α</sub> synthetized in the brain seems to play minor role in the direct regulation of cardiovascular system.
심혈관계의 중추조절에 대한 Prostaglandin $F_{2{\alpha}}$의 영향
이상복,김인순,김옥녀,조규철,Lee, S.B.,Kim, I.S.,Kim, O.N.,Cho, K.C. 대한약리학회 1982 대한약리학잡지 Vol.18 No.1
This study was carried out in order to clarify whether the cardiovascular effect of prostaglandin(PG) $F_{2{\alpha}}$ might be centrally mediated. In unrestrained conscious rat, $PGF_{2{\alpha}}$ was administered into the lateral ventricle. The mechanism of action was also studied by observing the interaction with several adrenergic antagonists injected subcutaneously, Indomethacin was administered into lateral ventricle to investigate the role of endogenous $PGF_{2{\alpha}}$ on the central regulation of cardiovascular system. The results were as follows: 1) The intraventricular injection of $PGF_{2{\alpha}}$ produced an increase in blood pressure and heart rate. 2) The pretreatment with phenoxybenzamine (2 mg/g, s.c.) inhited pressor, but not heart rate responses to the intraventricular injection of $PGF_{2{\alpha}}$ $(2{\mu}g/kg)$. 3) The pretreatment with propranolol (1 mg/kg, s.c.) inhibited tachycardia, but not pressor responses to the intraventricular injection of $PGF_{2{\alpha}}(2{\mu}g/kg)$. 4) The intraventricular injection of indomethacin $(40{\mu}g/kg)$ could not induce significant changes in blood preesure and heart rate. 5) The result indicates that intraventricular injection of $PGF_{2{\alpha}}$ produces pressor and tachycardia responses in the unanesthetized rat, and it is mediated primarily by centrally increased sympathetic outflow. But the endogenous $PGF_{2{\alpha}}$ synthetized in the brain seems to play minor role in the direct regulation of cardiovascular system.
원통형 입자에 따른 관내 차압 전산 해석 및 Ergun식 보정 연구
유승영(S.Y Yoo),임태규(T.G. Lim),이상복(S.B. Lee),노태성(T.S. Roh) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.5
In this study, Pressure drops in a pipe according to cylinderical particle that has been calculated and analyzed. In general, it is used in a interior ballistic cylindrical particle shape. The analysis of 10 cases for Reynolds number has been conducted in 3 cases cylindrical particle. The results have been compared to the Erguns empirical equation which predicts pressure drop in pipe. To reduce difference between the Erguns empirical equation and the numerical results, calibration has been conducted.
인삼이 실험적 고혈압에 미치는 영향 및 그 기전에 관한 연구
조병헌(Cho, B.H.),이상복(Lee, S.B.),이덕희(Lee, D.H.),박철훈(Park, C.H.) 대한약리학회 1972 대한약리학잡지 Vol.8 No.1
Ginseng, the Korean medicinal radix, has been widely used in the Chinese medicine as well as in the folk remedies for many centuries. It is claimed from experience that ginseng exerts multiple therapeutic effects in a large variety of disorders. Despite of its popularity, the chemical analysis and pharmacological study of ginseng are not firmly established. Although there are some scattered reports of ginseng effects on blood pressure, there are few reports on hypertension especially. Recently, Lee & Cho (1971) reported that the administration of ginseng significantly supresses the production of renal hypertension. This study was undertaken to reevaluate the effect of ginseng on renal hypertension and to determine whether ginseng also supresses on neurogenic hypertension, and to clarify the mechanism of this antihypertensive effect. Male rats, weighing around 180 gm on an average were used. Renal hypertension was induced by Grollman s method under general anesthesia with 35mg/kg of pentobarbital sodium. Ginseng effect on blood pressure was observed on normal, renal hypertensive and neurogenic hypertensive rats respectively. Ginseng alcohol extract (40mg/kg) was administered daily subcutaneously from 3 days prior to producing hypertension. And in renal hypertensive rats, the effects of histamine and Avil on blood pressure were also observed. Histamine (0.05mg/kg) and Avil (0.025mg/kg) were also administered daily I.M. from 3 days prior to kidney-8-ligature. The results of the experiments are as follows: 1) No significant difference was observed in blood pressure between the normotensive control and ginseng-treated normotensive rats. 2) In renal hypertensive control, the mean blood pressure already was significantly elevated on 15th day and gradually elevated. The administration of ginseng significantly supresses the production of renal hypertension from 30th day as compared with control rats. 3) The mean blood pressure in neurogenic hypertensive control was average 143.1 mmHg on 7th day. On the other hand, in ginseng treated-neurogenic hypertensive rats, the mean blood pressure was average 125.5mmHg. The administration of ginseng significantly supresses the production of neurogenic hypertension as compared with control rats. 4) In renal hypertensive rats, the administration of histamine and Avil did not differ with control rats. 5) In ginseng-treated renal hypertensive rats, cholesterol contents of plasma, adrenal, kidney and spleen were slightly decreased.
초지 및 조사료 : 2회 예취 재배법을 이용한 초다수 벼(Oryza sativa L.) 계통의 생육,수량 및 사료가치 평가
백진수 ( J. S. Paek ),이점호 ( J. H. Lee ),정오영 ( O Y. Jeong ),홍하철 ( H. C. Hong ),이규성 ( K. S. Lee ),진일두 ( I. D. Jin ),이상복 ( S. B. Lee ),최용환 ( Y. H. Choi ),양창인 ( C. I. Yang ),김종근 ( J. G. Kim ),김병완 ( B. W. Kim 한국동물자원과학회 ( 구 한국축산학회 ) 2006 한국축산학회지 Vol.48 No.3