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521.

Properties of Spontaneous Activity in Gastric Smooth Muscle

H.Suzuki, Y.Yamamoto, G.D.S.Hirst 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.2 1 119-125 (7 pages)

H.Suzuki, Y.Yamamoto, G.D.S.Hirst 저
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- 3,000원
Mammalian gastric smooth muscles generate spontaneous rhythmic contractions which are associated with slow oscillatory potentials (slow waves) and spike potentials. Spike potentials are blocked by organic Ca2⁢-antagonists, indicating that these result from the activation of L-type Ca2⁢-channel. However, the cellular mechanisms underlying the generation of slow wave remain unclear. Slow waves are insensitive to Ca2⁢-antagonists but are blocked by metabolic inhibitors or low...
522.

Activation of SAPK and Increase in Bak Levels during Ceramide and Indomethacin-Induced Apoptosis in HT29 Cells

JuHoKim, SaeOckOh, SungSookJun, JinSupJung, JaeSukWoo, YongKeunKim, SangHoLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 10 75-82 (8 pages)

JuHoKim, SaeOckOh, SungSookJun, JinSupJung, JaeSukWoo, YongKeunKim, SangHoLee 저
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- 3,000원
It has been reported that activation of sphingomyelin pathway and nonsteroidal anti-inflammatory drugs (NSAIDS) inhibit the promotion of colon carcinoma. Ceramide, a metabolite of sphingomyelin, and indomethacin were shown to induce apoptosis in colon carcinoma cells. However, the mechanisms of ceramide- and indomethacin-induced apoptosis in the colon carcinoma cells are not clearly elucidated. Recent studys showed that indomethacin-induced apoptosis in colon cancer cells through the...
523.

Effects of Neonatal Footshock Stress on Glucocorticoid and 5- HT2A/2C Receptor Bindings and Exploratory Behavior

DongGooKim, SeoulLee, DongWonKang, JongSuLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 4 677-685 (9 pages)

DongGooKim, SeoulLee, DongWonKang, JongSuLim 저
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- 3,000원
To investigate the effects of neonatal stress on behavior and neurochemistry, rats were exposed to the footshock stress on postnatal day (PND) 14 or PNDs 14 and 21. Rats were exposed to uncontrollable electric shocks delivered to the floor with a constant current (0.8 mA) for 5 sec period. Daily sessions consisted of 60 trials on a random time schedule with an average of 55 sec. The first exposure to footshocks on PND 14 decreased body weight gain for 1 day. However, the second exposure to...
524.

Dopaminergic Inhibition of Dorsal Horn Cell Activity in the Cat

KyungChulKim, HongKeeShin, KeeSoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 2 661-670 (10 pages)

KyungChulKim, HongKeeShin, KeeSoonKim 저
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- 3,000원
Dopamine has been generally known to exert antinociceptive action in behavioral pain test, such as tail flick and hot plate test, but there appears to be a great variance in the reports on the antinociceptive effect of dopamine depending on the dosage and route of drug administration and type of animal preparation. In the present study, the effects of dopamine on the responses of wide dynamic range (WDR) cells to mechanical, thermal and graded electrical stimuli were investigated, and the...
525.

Molecular Pharmacological Interaction of Phenylbutazone to Human Neutrophil Elastase

KooilKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 14 385-393 (9 pages)

KooilKang 저
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- 3,000원
Human neutrophil elastase (HNElastase, EC 3.4.21.37), a causative factor of inflammatory diseases, was purified by Ultrogel AcA54 gel filtration and CM-Sephadex ion exchange chromatography. HNElastase was inhibited by phenylbutazone in a concentration dependent manner up to 0.4 mM, but as the concentration increased, the inhibitory effect gradually diminished. Binding of phenylbutazone to the human neutrophil elastase caused strong Raman shifts at 200, 440, and 1194 cm⁣1. The peak at 1194...
526.

Tetrachloroauric Acid Depresses the Activation Processes of Phagocytic Cells

ChungSooLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 13 377-384 (8 pages)

ChungSooLee 저
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- 3,000원
phagocytic cells are variable according to the preparation of medicine. In this study, effect of tetrachloroauric acid on activated neutrophil responses, including respiratory burst, lysosomal enzyme release and change of intracellular Ca2+ level and on the synthesis of interleukin-8 and granulocyte-macrophage colony stimulating factor by macrophages was studied. This study further examines how gold compounds affect the activation processes. The respiratory burst stimulated by complement C5a,...
527.

Effects of Prostaglandin E2 on the Spontaneous Contractions and Electrical Activities of the Antral Circular Muscle in Guinea-pig Stomach

JongYoonKim, SungJoonKim, TongMookKang, SangJinLee, JaeYeoulJun, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 11 361-368 (8 pages)

JongYoonKim, SungJoonKim, TongMookKang, SangJinLee, JaeYeoulJun, InsukSo, KiWhanKim 저
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- 3,000원
tone by PGE2 was variable, whereas the magnitude of phasic contractions was reduced (19.0⁑2.1%, n=19). The resting membrane potentials were hyperpolarized (⁣4.4⁑0.5 mV, n=10), and plateau potentials were lowered (⁣2.9⁑0.5 mV, n=10). In most cases, however, the initial peak potentials of slow waves were depolarized more by PGE2 than those of control. The frequency of the slows wave was increased from 5.7⁑0.2 cycles/min to 6.5⁑0.2 (n=22). Voltage-operated...
528.

Characteristics of Ca2+ Stores in Rabbit Cerebral Artery Myocytes

SungJoonKim, JinKyungKim, InsukSo, SukHyoSuh, SangJinLee, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 6 313-322 (10 pages)

SungJoonKim, JinKyungKim, InsukSo, SukHyoSuh, SangJinLee, KiWhanKim 저
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- 3,000원
In a myocyte freshly isolated from rabbit cerebral artery, the characteristics of Ca2⁢ release by histamine or caffeine were studied by microspectrofluorimetry using a Ca2⁢-binding fluorescent dye, fura-2. Histamine (5 ㄍM) or caffeine (10 mM) induced a phasic rise of cytoplasmic free Ca2⁢ concentration ([Ca2⁢]c) which could occur repetitively with extracellular Ca2⁢ but only once or twice in Ca2⁢-free bathing solution. Also, the treatment with...
529.

Blockade of Intrinsic Oscillatory Activity of Cerebellar Purkinje Cells by Apamin and Nickel

WhasookSeo, JeanC.Strahlendorf, HowardK.Strahlendorf 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.5 2 477-484 (8 pages)

WhasookSeo, JeanC.Strahlendorf, HowardK.Strahlendorf 저
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- 3,000원
Intracellular recordings of oscillatory firing (bursting activity) were obtained from Purkinje cells (PCs) in rat cerebellar slices. Apamin inhibited post-burst hyperpolarizations (PBHs) progressively and finally terminated oscillatory firing activity of PCs. Apamin did not affect the amplitude or duration of the after-hyperpolarization (AHP) between spikes within the burst. In the voltage clamp mode, apamin shifted the whole-cell, quasi-steady state I/V relationship in an inward direction and...
530.

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)

Young-WukCho, Seung-HoHan, Chang-JuKim, Byung-IlMin 저
...
- 3,000원
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 NE would decrease...

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