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Effect of K+-channel Blockers on the Muscarinic- and A1-adenosine- Receptor Coupled Regulation of Electrically Evoked Acetylcholine Release in the Rat Hippocampus
ByungSikYu, DoKyungKim, BongKyuChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.2 2 147-154 (8 pages)
It was attempted to clarify the participation of K+-channels in the post-receptor mechanisms of the muscarinic and A1-adenosine receptor- mediated control of acetylcholine (ACh) release in the present study. Slices from the rat hippocampus were equilibrated with [3H]choline and the release of the labelled products was evoked by electrical stimulation (3 Hz, 5 V/cm, 2 ms, rectangular pulses), and the influence of various agents on the evoked tritium-outflow was investigated. Oxotremorine (Oxo,... -
Effect of t-butylhydroperoxide on Na+-dependent Glutamate Uptake in Rabbit Brain Synaptosome
HyunJeLeeYongKeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.4 3 367-376 (10 pages)
The effect of an organic peroxide, t-butylhydroperoxide (t-BHP), on glutamate uptake was studied in synaptosomes prepared from cerebral cortex. t-BHP inhibited the Na+-dependent glutamate uptake with no change in the Na+-independent uptake. This effect of t-BHP was not altered by addition of Ca2+ channel blockers (verapamil, diltiazem and nifedipine) or PLA2 inhibitors (dibucaine, butacaine and quinacrine). However, the effect was prevented by iron chelators (deferoxamine and phenanthroline) and... -
Lithium-induced Increase of Synaptosomal Uptake of Norepinephrine in Rat Brain
Young-WukCho, Seung-HoHan, Chang-JuKim, Byung-IlMin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.2 2 127-133 (7 pages)
catecholamines and their metabolites. Synaptosomes were prepared from the rat forebrains and assays of catecholamines and metabolites were made using HPLC with an electrochemical detector. Lithium of 1mM decreased the extrasynaptosomal concentrations of NE from the control group of 3.07⁑1.19 to the treated group of 0.00⁑0.00 (ng/ml of synaptosomal suspension) but not that of DHPG. It can be suggested that lithium increases synaptosomal uptake of NE. Increased intraneuronal uptake of... -
The Role of Adenosine Receptors on Acetylcholine Release in the Rat Striatum
DoKyungKim, HyeonAKim, BongKyuChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.1 1 1-12 (12 pages)
As it has been reported that the depolarization induced acetylcholine (ACh) release is modulated by activation of presynaptic A1 adenosine heteroreceptor and various evidence suggest that indicate the A2 adenosine receptor is present in the striatum, this study was undertaken to delineate the role of adenosine receptors on the striatal ACh release. Slices from the rat striatum were equilibrated with [3H]choline and then the release amount of the labelled product, [3H]ACh, which was evoked by... -
백서의 우울모형에서의 칼슘통로 길항제 에타베린(Ethaverine)의 항우울효과
이상경, 김선희, 김록우, 윤성환, 김용관, 김경태, 김영훈 대한신경정신의학회 신경정신의학 11 Pages
대한신경정신의학회 신경정신의학 2000, 제 39권 제 2호 17 445-455 (11 pages)
연구목적： 본 전임상연구에서는 우울증의 두가지 동물모형을 통해 에타베린이 단독 혹은 이미프라민과 병용처치 되 었을 때의 효과를 알아보고자 하였다. 방 법： 표준화된 검사법인 강제수영검사를 사용하여 웅성백서에게 에타베린(20mg/kg) 및 이미프라민(20mg/ kg)을 단독 혹은 병용 처치하였을 때의 부동시간의 변화를 관찰하였고, 경도의 만성 스트레스를 3주 간 가한 후 4주간 에타베린과 이미프라민을 단독 혹은 병용 처치하였을때의 자당섭취량의 변화를 관찰하 였다. 결 과： 약물을 1회 단기처치 및 7일간 장기처치한... -
精神科 入院患者의 自殺에 對한 몇 가지 臨床的 考察
李相換, 趙斗英 대한신경정신의학회 신경정신의학 7 Pages
대한신경정신의학회 신경정신의학 1981, 제 20권 제 1호 4 36-42 (7 pages)
