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501.

Contribution of Bulk Flow to Transport Mechanisms of the Membranes Surrounding Amniotic Fluid in the Rabbit

Lim, Young-Cheol, Lee, Sang-Jin, Sung, Ho-Kyung 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1994, 제 28권 제 1호 8 79-90 (12 pages)

Lim, Young-Cheol, Lee, Sang-Jin, Sung, Ho-Kyung 저
...
- 4,100원
The objective of the present study is to assess the contribution of bulk flow to the regulatory mechanism of amniotic fluid volume and its ionic concentration in the membranes surrounding the amniotic fluid. For quantitative assessment, we prepared 4 kinds of artificial amniotic fIuids (isotonic isovolumetric, hypotonic isovolumetric, isotonic hypervolumetric and hypotonic hypervolumetric ones) by replacing 70% of amniotic fluid of pregnant rabbits with water or normal Tyrode solutions....
502.

The Excitatory Mechanism of Substance P in the Antral Circular Muscle of Guinea Pig Stomach

Jun, Jae-Yeoul, Kim, Sung-Joon, Choi, Youn-Baik, Kim, Ki-Whan 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1994, 제 28권 제 1호 5 51-60 (10 pages)

Jun, Jae-Yeoul, Kim, Sung-Joon, Choi, Youn-Baik, Kim, Ki-Whan 저
...
- 3,000원
conventional microelectrode method and whole-cell patch clamp technique. Substance P produced tonic and phasic contractions in a dose-dependent manner and depolarized membrane potential with increased amplitude of slow waves in muscle strips. Voltage-dependent Ca2+ currents were increased by the application of Substance P from a holding potential of -60mV to 50mV in 10mV steps and this effect was blocked by the addition of an antagonist. Also Substance P increased transient and spontaneous...
503.

Effects of Lemakalim, a Potassium Channel Opener, on the Contractility and Electrical Activity of the Antral Circular Muscle in Guinea-Pig Stomach

Kim, Sung-Joon, Jun, Jae-Yeoul, Choi, Youn-Baik, Kim, Ki-Whan, Kim, Woo-Gyeum 대한생리학회 대한생리학회지 14 Pages

대한생리학회 대한생리학회지 1994, 제 28권 제 1호 4 37-50 (14 pages)

Kim, Sung-Joon, Jun, Jae-Yeoul, Choi, Youn-Baik, Kim, Ki-Whan, Kim, Woo-Gyeum 저
...
- 4,300원
Synthetic potassium channel openers (KCOs) are agents capable of opening K-channels in excitable cells. These agents are known to have their maximal potency in the smooth muscle tissue, especially in the vascular smooth muscle. Much attention has been focused on the type of K-channel that is responsible for mediating the effects of KCOs. As the KCO-induced changes are antagonized by glibenclamide, an KATP (ATP-sensitive K-channel) blocker in the pancreatic β-cell, KATP was suggested to be the...
504.

Ca-dependent Alteration in Basal Tone, Basal 45Ca Uptake and 3H-nitrendipine Binding in the Aorta of Spontaneously Hypertensive Rats

Chang, Seok-Jong, Jeon, Byeong-Hwa, Kim, Hoe-Suk 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1994, 제 28권 제 1호 3 27-36 (10 pages)

Chang, Seok-Jong, Jeon, Byeong-Hwa, Kim, Hoe-Suk 저
...
- 3,000원
We investigated the alterations in basal tone of aortic strips by changing the Ca concentration, basal 45Ca uptake and 3H-nitrendipine binding of the single cells of aortic smooth muscles in the spontaneously hypertensive rats (SHR) and Wistar-Kyoto (WKY) rats. While the basal tone of the aortic strips in WKY rats was not affected by alteration of Ca concentration, that in SHR was decreased by the removal of Ca from the bath solution and was recovered by the restoration of Ca to normal levels....
505.

Role of Na+-K+ Pump on Endothelium-dependent Relaxation

Sung, Sang-Hyun, Roh, Joon-Ryang, Park, Tae-Sic, Suh, Suk-Hyo, Hwang, Sang-Ik, Kim, Ki-Whan 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 8 199-208 (10 pages)

Sung, Sang-Hyun, Roh, Joon-Ryang, Park, Tae-Sic, Suh, Suk-Hyo, Hwang, Sang-Ik, Kim, Ki-Whan 저
...
- 3,000원
To study the underlying mechanism through which the endothelium-dependent relaxation is inhibited by blocking the Na+ -K+ pump, the effects of Na+ -K+ pump blockade on the release of EDRF and its relaxing activity were examined, using organ bath study, bioassay technique, and cGMP measurement. Endothelium-dependent relaxation was attenuated by blocking the Na+ -K+ pump in the vascular ring with intact endothelium. In bioassay experiment EDRF release was decreased with the blockade of the Na+...
506.

Regulatory Action of ß-adrenergic Agonist and 8-bromocyclic AMP on Calcium Currents in the Unfertilized Mouse Eggs

Haan, Jae-Hee, Cheong, Seung-Jin, Kim, Yang-Mi, Park, Choon-Ok, Hong, Seong-Geun 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 6 175-184 (10 pages)

Haan, Jae-Hee, Cheong, Seung-Jin, Kim, Yang-Mi, Park, Choon-Ok, Hong, Seong-Geun 저
...
- 3,000원
the mouse eggs. In this study, the effects of isoprenaline (ISP) and cyclic AMP on calcium influx through calcium channels were investigated to show their relationship with the signal transduction process in unfertilized mouse eggs. Using whole cell voltage clamp techniques, calcium currents, elicited by the depolarizing pulses of 300 ms duration (from -50 mV to 50 mV in 10 mV increments) from a holding potential of -80 mV, were recorded. The current-voltage (I-V) relation of calcium currents wa...
507.

Electrophysiological Analysis of GABA and Glycine Action on Neurons of the Catfish Retina

Bai, Sun-Ho, Jung, Chang-Sub, Lee, Sung-Jong 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 5 163-174 (12 pages)

Bai, Sun-Ho, Jung, Chang-Sub, Lee, Sung-Jong 저
...
- 4,100원
Vertebrate retinal neurons, like brain tracts farm complex synaptic relations in the enter and inner plexiform layers which ape equivalent to the central nervous system nuclei. The effects of γ-aminobutyric acid(GABA) and glycine on retinal neurons were explored to discern the mechanisms of action of neurotransmitters. Experiments were performed in the superfused retina-eyecup preparation of the channel catfish, Ictalurus punctatus, using intracellular electrophysiological techniques. The roles...
508.

Effect of Cyclic GMP on the Calcium Current in Rabbit Ventricular Myocytes

Han, Jin, Leem, Chae-Hun, Ahn, Chul-Soo, So, In-Suk, Kim, Eui-Yong, Ho, Won-Kyung, Earm, Yung-E 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 4 151-162 (12 pages)

Han, Jin, Leem, Chae-Hun, Ahn, Chul-Soo, So, In-Suk, Kim, Eui-Yong, Ho, Won-Kyung, Earm, Yung-E 저
...
- 4,100원
In order to investigate the effect of intracellular cyclic GMP on calcium current the whole-cell patch clamp technique with internal perfusion method was used in isolated ventricular myocytes of the rabbit. Cyclic GMP, 8-bromo-cyclic GMP, cyclic AMP, isoprenaline and forskolin were perfused into cells and their effects on calcium current were analysed by applying depolarizing step pulses of + 10 mV in amplitude far 300 msec from holding potential of - 40 mV. Not only cyclic AMP (100 μM) but...
509.

Effect of Dopamine on the Ca2+-dependent K+ currents in Isolated Single Gastric Myocytes of the Guinea-pig

Rhee, Poong-Lyul, Lee, Sang-Jin, Kim, Sung-Joon, So, In-Suk, Hwang, Sang-Ik, Kim, Ki-Whan 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 3 139-150 (12 pages)

Rhee, Poong-Lyul, Lee, Sang-Jin, Kim, Sung-Joon, So, In-Suk, Hwang, Sang-Ik, Kim, Ki-Whan 저
...
- 4,100원
of dopamine on the gastric smooth muscle, the effects of dopamine on voltage-dependent Ca2+ currents and Ca2+ -dependent K+ currents were observed in enzymatically dispersed guinea-pig gastric myocytes using the whole-cell voltage-clamp technique. Experiments were also done using isometric tension recording and conventional intracellular microelectrode techniques. 1) The effect of dopamine on the spontaneous contraction of antral circular muscle strips of the guinea-pig was excitatory in a...
510.

Effects of Noradrenaline on the Spontaneous Contraction and Ionic Current in the Antral Circular Muscle of Guinea-pig Stomach

Jun, Jae-Yeoul, Lee, Sang-Jin, Kim, Sung-Joon, Suh, Jae-Yul, So, In-Suk, Hwang, Sang-Ik, Kim, Ki-Whan 대한생리학회 대한생리학회지 8 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 2호 1 115-122 (8 pages)

Jun, Jae-Yeoul, Lee, Sang-Jin, Kim, Sung-Joon, Suh, Jae-Yul, So, In-Suk, Hwang, Sang-Ik, Kim, Ki-Whan 저
...
- 3,000원
Noradrenaline-induced hyperpolarization was blocked by apamin (10-7 M), a blocker of a class of Ca2+ -dependent K+ channels. To investigate the mechanisms for these effects, we performed whole cell patch clamp experiments. Norndrenaline increased voltage-dependent Ca2+ currents in the whole range of test potentials. Noradrenaline also increased Ca2+ -dependent K+ currents, and this effects was abolished by apamin. These results suggest that the increase in amplitude and the generation of spike...

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