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511.

Effect of Nifedipine on Endocrine and Cardiovascular Responses to Angiotensin II in SHR Fed with Different Sodium Diets

Choi, Eun-Kyung, Park, Yoon-Yub, Ahn, Dong-Kuk, Park, Jae-Sik, Lee, Won-Jung 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 1호 6 57-66 (10 pages)

Choi, Eun-Kyung, Park, Yoon-Yub, Ahn, Dong-Kuk, Park, Jae-Sik, Lee, Won-Jung 저
...
- 3,000원
Effects of a voltage dependent calcium channel antagonist, nifedipine, on the responses of blood pressure, and secretion of atrial natriuretic peptide (ANP) and aldosterone to angiotensin II (Ang II) were compared in male Wistar and spontaneously hypertensive rats (SHR). A low, control or high sodium diet (2, 10 or 25 mmol Na/100 g diet) was fed for 6 weeks from the age of 6 weeks. On the morning of the experiment catheters were inserted under ether anesthesia in the femoral artery for pressure...
512.

Ion Channels for Communication Between and Within Cells -Annual Review Lecture, October 16th, 1992-

Neher, Erwin 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1993, 제 27권 제 1호 1 1-12 (12 pages)

Neher, Erwin 저
...
- 4,100원
513.

Effects of Cd2+ on the Contractility in the Antral Circular Muscle of Guinea-pig Stomach

Kim, Eui-Yong, Han, Jin 대한생리학회 대한생리학회지 8 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 2호 4 129-136 (8 pages)

Kim, Eui-Yong, Han, Jin 저
...
- 3,000원
Caffeine in the concentration of 1mM evoked contracture but Cd2+ suppressed the contracture. Cd2+ suppressed the amplitude of the Na+ tee contracture dose dependently and the amplitude of Na+ free contracture almost decreased to 20% of control amplitude in the concentration of 10-4 M Cd2+. From the above results, it is suggested that Cd2+ may inhibit not only Ca2+ influx via voltage sensitive, receptor operated Ca2+ channel and Na/ca exchange but also intracellular Ca2+ release from the...
514.

Role of Endogenous Nitric Oxide in the Vasorelaxation Induced by High Calcium Environment in vitro

Lee, Jong-Eun, Lee, Byung-Kook, Ahn, Hyun-Taek, Ahn, Byoung-Hee, Kang, Jung-Chaee 대한생리학회 대한생리학회지 6 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 2호 3 123-128 (6 pages)

Lee, Jong-Eun, Lee, Byung-Kook, Ahn, Hyun-Taek, Ahn, Byoung-Hee, Kang, Jung-Chaee 저
...
- 3,000원
The present study was undertaken to examine if endogenous nitric oxide is partly responsible for the high calcium induced vasorelaxation in vitro. Isolated porcine coronary arterial rings were suspended in the tissue chamber and their changes in isometric tension were recorded. KCI little affected the vascular tension in the calcium free media, but subsequent addition of cumulative doses of CaCl3 from 1 to 40 mM caused a contraction followed by complete relaxation. The maximum tension was noted...
515.

Effect of Various Divalent Ions on the Calcium Current of Adrenal Medullary Chromaffin Cells in the Rat

Kim, Jun, Leem, Chae-Hun, Kim, Sang-Jeong 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 2호 2 113-122 (10 pages)

Kim, Jun, Leem, Chae-Hun, Kim, Sang-Jeong 저
...
- 3,000원
It is well known that chromaffin cells of adrenal medulla secrete catecholamine in response to sympathetic nerve activation and the influx of Ca2+ through the voltage dependent Ca2+ channels (VDCC) in the cell membrane do a major role in this secretory process. In this study, we explored the effect of divalent cations on VDCC of rat chromaffin cells. Rat (Sprague-Dawley rat, 150-250 gm) chromaffin cells were isolated and cultured. Standard giga seal, whole cell recording techniques were employed...
516.

Calcium Current and Background Current Activation in L-triiodothyronine Loaded Ventricular Myocytes of the Rabbit

Han, Jin, Kim, Eui-Yong, Han, Jae-Hee, Park, Choon-Ok, Hong, Seong-Geun, Leem, Chae-Hun, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E, Sung, H 대한생리학회 대한생리학회지 14 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 2호 1 99-112 (14 pages)

Han, Jin, Kim, Eui-Yong, Han, Jae-Hee, Park, Choon-Ok, Hong, Seong-Geun, Leem, Chae-Hun, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E, Sung, H 저
...
- 4,300원
current voltage curve and reverse potential did not altered. Cyclic AMP, cyclic GMP, isoprenaline and 3-isobutyl-1-methyl-xanthine increased ICa in euthyroid and hyperthyroid conditions, and acetylcholine blocked the increase of ICa in T3 loaded cells. The amplitude of ICa was much larger after perfusing cGMP than cGMP in both conditions, whereas the degree of increase of ICa was greater after perfusing cAMP than cGMP in T3 loaded cells. The degree of increase of ICa after perfusing isoprenaline...
517.

A Study on the Na+/Ca2+ Exchange Mechanism in the Smooth Muscle of Guinea-pig Stomach

Kim, Eui-Yong, Han, Jin, Kim, Ki-Whan 대한생리학회 대한생리학회지 14 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 1호 6 55-68 (14 pages)

Kim, Eui-Yong, Han, Jin, Kim, Ki-Whan 저
...
- 4,300원
The effects of changes in extracellular Na+ and Ca+ concentration on the membrane potential and contractility were studied in the antral circular muscle of guinea pig stomach in order to elucidate the existence and the nature of Na+/Ca2+ exchange mechanism. All experiments were performed in tris buffered Tyrode solution which was aerated with 100% O2 and kept at 35℃. The treatment of 10-5 ouabain was performed to induce intracellular Na+ loading prior to the start of experiment. The results...
518.

Cl--sensitive Component of Ca2+-activated Tail Current in Rabbit Atrial Myocytes

Park, Choon-Ok, So, In-Suk, Ho, Won-Kyung, Kim, Woo-Gyeum, Earm, Yung-E 대한생리학회 대한생리학회지 10 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 1호 3 27-36 (10 pages)

Park, Choon-Ok, So, In-Suk, Ho, Won-Kyung, Kim, Woo-Gyeum, Earm, Yung-E 저
...
- 3,000원
the anion transport blocker niflumic acid. The current voltage curve of the niflumic acid sensitive current component shows outward rectification and is well fitted to the current voltage curve of the theoretically predicted chloride current calculated from the constant field equation. The currents recorded in rabbit atrial myocytes, with the method showing isolated outward Na Ca exchange current in ventricular cells of the guinea pig, suggested that chloride conductance could be activated with...
519.

Ionic Dependence and Modulatory Factors of the Background Current Activated by Isoprenaline in Rabbit Ventricular Cells

Leem, Chae-Hun, Lee, Suk-Ho, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1992, 제 26권 제 1호 2 15-26 (12 pages)

Leem, Chae-Hun, Lee, Suk-Ho, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E 저
...
- 4,100원
in rabbit ventricular cells. Ramp pulses of ±80 mV from holding potential of 40 mV(or 20 mV) at the speed of 0.8 V/sec were given every 30 sec(or 10 sec) and current-voltage diagrams(I-V curve) were obtained. For the activation of the background current isoprenaline, adenosine 3 ,5 -cyclic monophosphate(dBcAMP), guanosine 3 ,5 -cyclic monophosphate(cGMP), and N6-2 -o-dibutyryladenosine 3 ,5 -cyclic monophosphate(dBcAMP) were applied after all known current systems were blocked with 2mM Ba, 1 mM...
520.

Proton Transport in Human Placental Microvillous Membrane Vesicles

Ri, Ok-Kyung, Jung, Jin-Sup, Kim, Won-Whe, Lee, Sang-Ho 대한생리학회 대한생리학회지 12 Pages

대한생리학회 대한생리학회지 1991, 제 25권 제 1호 5 49-60 (12 pages)

Ri, Ok-Kyung, Jung, Jin-Sup, Kim, Won-Whe, Lee, Sang-Ho 저
...
- 4,100원
a minor intravesicular acidification, but it was not observed in voltage-clampled MVV. The initial rate of the dissipation of a pH gradient was accelerated by pulse injections of Na+ in a saturable manner and Li+ could replace Na+. The kinetic parameter of Na+ in placental Na+/H+ exchange was similar to that of renal Na+/H+ exchange. Amiloride was a inhibitor of directly coupled Na+/H+ exchange and its IC50 in placental MVV was about 14-fold higher than that in renal brush border membrane. These...

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