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231.

Eugenol Inhibits ATP-induced P2X Currents in Trigeminal Ganglion Neurons

HaiYingLi, ByungKyLee, JoongSooKim, SungJunJung, SeogBaeOh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 5 315-322 (8 pages)

HaiYingLi, ByungKyLee, JoongSooKim, SungJunJung, SeogBaeOh 저
...
- 3,000원
Eugenol is widely used in dentistry to relieve pain. We have recently demonstrated voltage-gated Na＋ and Ca2＋ channels as molecular targets for its analgesic effects, and hypothesized that eugenol acts on P2X3, another pain receptor expressed in trigeminal ganglion (TG), and tested the effects of eugenol by whole-cell patch clamp and Ca2＋ imaging techniques. In the present study, we investigated whether eugenol would modulate 5'-triphosphate (ATP)-induced currents in rat TG neurons and...
232.

Forskolin Enhances Synaptic Transmission in Rat Dorsal Striatum through NMDA Receptors and PKA in Different Phases

HyeongSeokCho, HyunHoLee, SeJoonChoi, KiJungKim, SeungHyunJeun, Qing-ZhongLi, Ki-WugSung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 2 293-298 (6 pages)

HyeongSeokCho, HyunHoLee, SeJoonChoi, KiJungKim, SeungHyunJeun, Qing-ZhongLi, Ki-WugSung 저
...
- 3,000원
The effect of forskolin on corticostriatal synaptic transmission was examined by recording excitatory postsynaptic currents (EPSCs) in rat brain slices using the whole-cell voltage-clamp technique. Forskolin produced a dose-dependent increase of corticostriatal EPSCs (1, 3, 10, and 30ՌM) immediately after its treatment, and the increase at 10 and 30ՌM was maintained even after its washout. When the brain slices were pre-treated with <FONT SIZE=2>(DL)-2-amino-5-phosphonovaleric...
233.

Modeling of Arrhythmogenic Automaticity Induced by Stretch in Rat Atrial Myocytes

JaeBoumYoum, ChaeHunLeem, YinHuaZhang, NariKim, JinHan, YungE.Earm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.5 8 267-274 (8 pages)

JaeBoumYoum, ChaeHunLeem, YinHuaZhang, NariKim, JinHan, YungE.Earm 저
...
- 3,000원
The early phase was driven by increased background conductance of voltage-gated Na＋ channel, whereas the later phase was driven by the reverse-mode operation of Na＋/Ca2＋ exchange current secondary to the accumulation of Na＋ and Ca2＋ through SACs. These results of simulation successfully demonstrate how the SACs can induce automaticity in a single atrial myocyte which may act as a focus to initiate and maintain atrial fibrillation in concert with other arrhythmogenic changes in the heart.
234.

PKC-Independent Stimulation of Cardiac Na+/Ca2+ Exchanger by Staurosporine

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

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.5 7 259-266 (8 pages)

TongMookKang 저
...
- 3,000원
[Ca2+]i transients by reverse mode of cardiac Na+/Ca2+ exchanger (NCX1) were recorded in fura-2 loaded BHK cells with stable expression of NCX1. Repeated stimulation of reverse NCX1 produced a long-lasting decrease of Ca2+ transients ('rundown'). Rundown of NCX1 was independent of membrane PIP2 depletion. Although the activation of protein kinase C (PKC) was observed during the Ca2+ transients, neither a selective PKC inhibitor (calphostin C) nor a PKC activator (PMA) changed the degrees of...
235.

Single-Channel Recording of TASK-3-like K+ Channel and Up- Regulation of TASK-3 mRNA Expression after Spinal Cord Injury in Rat Dorsal Root Ganglion Neurons

InseokJang, Jun-HoLa, Gyu-TaeKim, Jeong-SoonLee, Eun-JinKim, Eun-ShinLee, Su-JeongKim, Jeong-MinSeo, Sang-HoAhn, Jae-YongPark, Seong-GeunH 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.5 5 245-252 (8 pages)

InseokJang, Jun-HoLa, Gyu-TaeKim, Jeong-SoonLee, Eun-JinKim, Eun-ShinLee, Su-JeongKim, Jeong-MinSeo, Sang-HoAhn, Jae-YongPark, Seong-GeunH 저
...
- 3,000원
Single-channel recordings of TASK-1 and TASK-3, members of two-pore domain K+ channel family, have not yet been reported in dorsal root ganglion (DRG) neurons, even though their mRNA and activity in whole-cell currents have been detected in these neurons. Here, we report single-channel kinetics of the TASK-3-like K+ channel in DRG neurons and up-regulation of TASK-3 mRNA expression in tissues isolated from animals with spinal cord injury (SCI). In DRG neurons, the single-channel conductance of...
236.

The Inhibition of TREK2 Channel by an Oxidizing Agent, 5,5'-dithio- bis (2-nitrobenzoic acid), via Interaction with the C-terminus Distal to the 353rd Amino Acid

KyoungSunPark, HyoweonBang, Eun-YoungShin, ChanHyungKim, YangmiKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.4 13 211-215 (5 pages)

KyoungSunPark, HyoweonBang, Eun-YoungShin, ChanHyungKim, YangmiKim 저
...
- 1,500원
TREK (TWIK-RElated K＋ channels) and TRAAK (TWIK-Related Arachidonic acid Activated K＋ channels) were expressed in COS-7 cells, and the channel activities were recorded from inside-out membrane patches using holding potential of −40 mV in symmetrical 150 mM K＋ solution. Intra</SUP>cellular application of an oxidizing agent, 5,5'-dithio-bis (2-nitrobenzoic acid) (DTNB), markedly decreased the activity of the TREK2, and the activity was partially reversed by the reducing agent,...
237.

Resveratrol Inhibits Nicotinic Stimulation-Evoked Catecholamine Release from the Adrenal Medulla

Seong-ChangWoo, Gwang-MoonNa, Dong-YoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.4 5 155-164 (10 pages)

Seong-ChangWoo, Gwang-MoonNa, Dong-YoonLim 저
...
- 3,000원
Resveratrol has been known to possess various potent cardiovascular effects in animal, but there is little information on its functional effect on the secretion of catecholamines (CA) from the perfused model of the adrenal medulla. Therefore, the aim of the present study was to determine the effect of resveratrol on the CA secretion from the isolated perfused model of the normotensive rat adrenal gland, and to elucidate its mechanism of action. Resveratrol (10∼100ՌM) during perfusion into...
238.

Characterization of Ionic Currents in Human Neural Stem Cells

ChaeGilLim, Sung-SooKim, HaeyoungSuh-Kim, Young-DonLee, SeungCheolAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.4 1 131-136 (6 pages)

ChaeGilLim, Sung-SooKim, HaeyoungSuh-Kim, Young-DonLee, SeungCheolAhn 저
...
- 3,000원
presence of external Ba2+ (30ՌM) or Cs+ (3ՌM). However, the reversal potentials did not match well with the predicted K+ equilibrium potentials, suggesting that it was not a classical K+ inward rectifier current. The other Na+ inward current resembled the classical Na+ current observed in pharmacological studies. The expression of these channels may contribute to generation and repolarization of action potential and might be regarded as functional markers for hNSCs-derived neurons.
239.

Influence of Ketamine on Catecholamine Secretion in the Perfused Rat Adrenal Medulla

Young-YeobKo, Yong-HoonJeong, Dong-YoonLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.3 3 101-110 (10 pages)

Young-YeobKo, Yong-HoonJeong, Dong-YoonLim 저
...
- 3,000원
The aim of the present study was to examine the effects of ketamine, a dissociative anesthetics, on secretion of catecholamines (CA) secretion evoked by cholinergic stimulation from the perfused model of the isolated rat adrenal gland, and to establish its mechanism of action, and to compare ketamine effect with that of thiopental sodium, which is one of intravenous barbiturate anesthetics. Ketamine (30∼300ՌM), perfused into an adrenal vein for 60 min, dose- and time-dependently inhibited...
240.

Testosterone Relaxes Rabbit Seminal Vesicle by Calcium Channel Inhibition

JongKokKim, WooHaHan, MooYeolLee, SoonChulMyung, SaeChulKim, MinKyKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.2 6 73-78 (6 pages)

JongKokKim, WooHaHan, MooYeolLee, SoonChulMyung, SaeChulKim, MinKyKim 저
...
- 3,000원
(0.1ՌM), 4-aminopyridine (4-AP, 10ՌM), or glibenclamide (10ՌM) rarely affected these relaxations. Single channel data (of inside-out and attached configurations) of BK channel activity were also hardly affected by testosterone (10ՌM). On the other hand, however, testosterone reduced L-type Ca2+ currents significantly, and found to induce acute relaxation of seminal vesicular smooth muscle and this was mediated, at least in part, by Ca2+ current inhibition in rabbit.

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