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51.

Forward-Mode Na+-Ca2+ Exchange during Depolarization in the Rat Ventricular Myocytes with High EGTA

Eun-GiKim, ChangMannKo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.6 5 487-494 (8 pages)

Eun-GiKim, ChangMannKo 저
...
- 3,000원
During depolarization, extrusion of Ca2⁢ from sarcoplasmic reticulum through forward-mode Na⁢-Ca2⁢ exchange was studied in the rat ventricular myocytes patch-clamped in whole-cell configuration. In order to confine the Ca2⁢ responses in a micro-domain by limiting the Ca2⁢ diffusion time, rat ventricular myocytes were dialyzed with high (14 mM) EGTA. K⁢ current was suppressed by substituting KCl with 105 mM CsCl and 20 mM TEA in the pipette filling solution...
52.

Role of K+ Channels to Resting Membrane Potential of Rabbit Middle Cerebral Arterial Smooth Muscle Cells

NariKim, JinHan, EuiyongKim, Yun-HeeKim, Jae-HongSim, Soo-CheonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.6 2 547-554 (8 pages)

NariKim, JinHan, EuiyongKim, Yun-HeeKim, Jae-HongSim, Soo-CheonKim 저
...
- 3,000원
the RMP, reduced the membrane currents, abolished STOCs, and decreased the open probability of single KCa channel. When KV currents were isolated, the application of 4-AP (5 mM) depolarized the RMP. The important aspect of our results is that KCa channel is responsible for the generation of the STHPs in the membrane potential and plays an important role in the regulation of the RMP and KV channel is also responsible for the regulation of the RMP in rabbit middle cerebral arterial smooth muscle...
53.

The Effects of Sera from Amyotrophic Lateral Sclerosis Patients on Neuromuscular Transmission and Calcium Channels in Mice

HaiDunYan, JimokKim, SungJunJung, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 17 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 13 101-117 (17 pages)

HaiDunYan, JimokKim, SungJunJung, JunKim 저
...
- 4,600원
potential of ICa nor in the I-V curve. From these results it was concluded that: 1) The serum factors of sporadic ALS patients increase neuromuscular transmission and can alter motor nerve terminal presynaptic function. This suggests that ALS serum factors may play an important role in the early stage of ALS, and 2) Calcium currents in DRG cells were reduced and rapidly inactivated by ALS sera, suggesting that in these cells, ALS serum factors may exert interaction with the calcium channel.
54.

Roles of Na+-Ca2+ Exchange in the Negative Force-Frequency Relationship

ChangMannKoSoonJinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 8 715-724 (10 pages)

ChangMannKoSoonJinKim 저
...
- 3,000원
Frequency-force relationships (FFR) were studied in electrically field stimulated rat left atria (LA) by reducing the stimulation frequency from resting 3 Hz to test frequencies (0.1-1 Hz) for 5 minutes. The twitch amplitudes of LA elicited the typical negative staircases with 3-phased changes: the initial rapid increase, the second decrease and the following plateau at test frequencies. Verapamil (3⁓10⁣5 M) pretreatment elicited frequency-dependent suppression of the twitch...
55.

Dual Action of d-Tubocurarine on Large-Conductance Ca2+-activated K+ Channels from Rat Brain Reconstituted into Planar Lipid Bilayer

SungkwonChungJungHoonShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.5 2 549-553 (5 pages)

SungkwonChungJungHoonShin 저
...
- 1,500원
Ca2+-activated K+ channel from rat brain. When the initial open probability (Po) of the channel was relatively high, dTC decreased channel activity in a concentration dependent manner. In contrast, when the initial Po was lower, sub-micro molar dTC increased channel activity by destabilizing the closed states of the channel. Further addition of dTC up to micro molar range decreased channel activity. This dual effect of dTC implicates that there exist at least two different binding sites for dTC.
56.

Increased Activity of Large Conductance Ca2+-Activated K+ Channels in Negatively-Charged Lipid Membranes

JinBongParkPanDongRyu 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.4 15 529-539 (11 pages)

JinBongParkPanDongRyu 저
...
- 4,000원
tested by analyzing the activity of single large conductance Ca2⁢-activated K⁢ (maxi K) channel from rat skeletal muscle. The conductances and open-state probability (Po) of single maxi K channels were compared in three types of planar lipid bilayers formed from a neutral phosphatidylethanolamine (PE) or two negatively-charged phospholipids, phosphatidylserine (PS) and phosphatidylinositol (PI). Under symmetrical KCl concentrations (3∼1,000 mM), single channel conductances of maxi K...
57.

Inhibitory Effect of Caffeine on Carbachol-Induced Nonselective Cationic Current in Guinea-Pig Gastric Myocytes

SungJoonKim, KyungWanMin, YoungChulKim, SangJinLee, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 10 353-359 (7 pages)

SungJoonKim, KyungWanMin, YoungChulKim, SangJinLee, InsukSo, KiWhanKim 저
...
- 3,000원
by carbachol (CCh) activates nonselective cation channel current (ICCh) which is facilitated by intracellular [Ca2⁢] increase. Caffeine is widely used in experiments to mobilize Ca2⁢ from intracellular stores. This study shows a strong inhibitory effect of caffeine on ICCh in guinea-pig gastric myocyte. In this study, the underlying mechanism of the inhibitory effect of caffeine was investigated. ICCh was completely suppressed by the addition of caffeine (10 mM) to the superfusing...
58.

Comparison of Inodilator Effect of Higenamine, YS49, YS51, Tetrahydroisoquinoline Analogs, and Dobutamine in the Rat

Won-SeogChong, Young-SooLee, Young-JinKang, Duck-HyungLee, Jae-ChunRyu, HyeSookYun-Choi, Ki-ChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 7 323-330 (8 pages)

Won-SeogChong, Young-SooLee, Young-JinKang, Duck-HyungLee, Jae-ChunRyu, HyeSookYun-Choi, Ki-ChurlChang 저
...
- 3,000원
Tetrahydroisoquinoline (THI) alkaloids can be considered as cyclized derivatives of simple phenylethylamines. Many of them, especially with 6,7-disubstitution, demonstrate a relatively high affinity for catecholamines. Present study examines the pharmacological action of limited series of THI, using rats' isolated atria and aorta. In addition, a [3H] prazosin displacement binding study with THI compounds was performed, using rat brain homogenates to investigate whether these probes have...
59.

The Characterization of the Increase of Membrane Conductance after Depolarization in Single Rat Adrenal Chromaffin Cells

WonilLim, SangJeongKim, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.1 12 95-100 (6 pages)

WonilLim, SangJeongKim, JunKim 저
...
- 3,000원
60.

정신분열병과 Neurotensin 수용체 유전자 다형성의 연합 연구

이유상, 김형배, 한진희, 채영규, 이정식, 이혜순, 주연호, 김형섭, 최인근, 양병환 대한신경정신의학회 신경정신의학 9 Pages

대한신경정신의학회 신경정신의학 1999, 제 38권 제 6호 29 1502-1510 (9 pages)

이유상, 김형배, 한진희, 채영규, 이정식, 이혜순, 주연호, 김형섭, 최인근, 양병환 저
...
- 3,000원
후에 유전자형을 관찰하였다. chi-square 검증과 Bonferroni’s correction을 사용하여 환자군과 정상 대조 군간의 대립유전자 빈도의 차이를 알아보았다. 또한 양성 및 음성 환자군으로 나누어 차이를 알아보았다. 결 과： 총 23개의 대립유전자가 관찰되었으며, 399bp의 대립유전자(A10)의 빈도가 환자군보다 정상대조군에서 통계적으로 유의하게 높았다(χ²＝16.49, df＝1, p<0.001). 음성 정신분열병 환자군과 정상대조군 사이의 비교에서는 정상대조군의 A10의 빈도가 환자군보다 유의하게 높았다(χ²=21.33, df=1, p<0.001). 성별...

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