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311.

Acidic pH-activated Cl? Current and Intracellular Ca2＋ Response in Human Keratinocytes

SuJungPark, WonWooChoi, OhSangKwon, JinHoChung, HeeChulEun, YungEEarm, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.4 8 177-184 (8 pages)

SuJungPark, WonWooChoi, OhSangKwon, JinHoChung, HeeChulEun, YungEEarm, SungJoonKim 저
...
- 3,000원
current (ICl,pH) with slow kinetics of voltage-dependent activation. ICl,pH was potently inhibited by an anion channel blocker 4,4`-diisothiocyanostilbene-2,2`-disulphonic acid (DIDS, 73.5% inhibition at 1ՌM). ICl,pH became more sensitive to pHe by raising temperature from 24oC to 37oC. HaCaT cells also expressed Ca2＋-activated Cl− current (ICl,Ca), and the amplitude of ICl,Ca was increased by relatively weak acidic pHe (7.0 and 6.8). Interestingly, the acidic pHe (5.0) also induced...
312.

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
a time- and dose- dependent fashion. Also, in the presence of resveratrol (30ՌM), the secretory responses of CA evoked by veratridine 8644 (an activator of voltage-dependent Na＋ channels, 100ՌM), Bay-K-8644 (a L-type dihydropyridine Ca2＋ channel activator, 10ՌM), and cyclopiazonic acid (a cytoplasmic Ca2＋-ATPase inhibitor, 10ՌM) were significantly reduced. In the simultaneous presence of resveratrol (30ՌM) and L-NAME (an inhibitor of NO synthase, 30ՌM), the...
313.

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
The profile of membrane currents was investigated in differentiated neuronal cells derived from human neural stem cells (hNSCs) that were obtained from aborted fetal cortex. Whole-cell voltage clamp recording revealed at least 4 different currents: a tetrodotoxin (TTX)-sensitive Na+ current, a hyperpolarization-activated inward current, and A-type and delayed rectifier-type K+ outward currents. Both types of K+ outward currents were blocked by either 5 mM tetraethylammonium (TEA) or 5 mM...
314.

(? )-Epigallocatechin Gallate Inhibits the Pacemaker Activity of Interstitial Cells of Cajal of Mouse Small Intestine

KweonYoungKim, SooJinChoi, HyukJinJang, DongChuanZuo, PawanKumarShahi, ShankarPrasadParajuli, CheolHoYeum, PyungJinYoon, SeokChoi, JaeYeo 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.3 4 111-116 (6 pages)

KweonYoungKim, SooJinChoi, HyukJinJang, DongChuanZuo, PawanKumarShahi, ShankarPrasadParajuli, CheolHoYeum, PyungJinYoon, SeokChoi, JaeYeo 저
...
- 3,000원
The effects of (−)-epigallocatechin gallate (EGCG) on pacemaker activities of cultured interstitial cells of Cajal (ICC) from murine small intestine were investigated using whole-cell patch-clamp technique at 30oC and Ca2＋ image analysis. ICC generated spontaneous pacemaker currents at a holding potential of −70 mV. The treatment of ICC with EGCG resulted in a dose-dependent decrease in the frequency and amplitude of pacemaker currents. SQ-22536, an adenylate cyclase inhibitor, and...
315.

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
(a voltage-dependent Na＋ channel activator, 100ՌM), Bay-K-8644 (an L-type dihydropyridine Ca2＋ channel activator, 10ՌM), and cyclopiazonic acid (a cytoplasmic Ca2＋-ATPase inhibitor, 10ՌM) were significantly reduced, respectively. Interestingly, thiopental sodium (100ՌM) also caused the inhibitory effects on the CA secretory responses evoked by ACh, high K＋, DMPP, McN-A-343, veratridine, Bay-K-8644, and cyclopiazonic acid. Collectively, these experimental results...
316.

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
Recent studies have documented that testosterone relaxes several smooth muscles by modulating K+ channel activities. Smooth muscles of seminal vesicles play a fundamental role in ejaculation, which might involve testosterone. This study was aimed to assess the role of testosterone in seminal vesicular motility by studying its effects on contractile agents and on the ion channels of single vesicular myocytes in a rabbit model. The contractile responses of circular smooth muscle strips of rabbit...
317.

Relaxant Effect of Spermidine on Acethylcholine and High K+- induced Gastric Contractions of Guinea-Pig

YoungChulKim, JaeHoonSim, Woong-Choi, ChanHyungKim, Ra-YoungYou, Wen-XieXu, SangJinLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.2 4 59-64 (6 pages)

YoungChulKim, JaeHoonSim, Woong-Choi, ChanHyungKim, Ra-YoungYou, Wen-XieXu, SangJinLee 저
...
- 3,000원
of the control (p＜0.05), and inhibitory effect of spermidine on IBa was also observed at a wide range of test potential in current/voltage (I/V) relationship. Pre- and post-application of spermidine (5 mM) also significantly inhibited carbachol (CCh) and ACh-induced initial and phasic contractions. Finally, caffeine (10 mM)-induced contraction which is activated by Ca2+-induced Ca2+ release (CICR),` was also inhibited by pretreatment of spermidine (5 mM). These findings suggest that spermidine...
318.

Effects of Apigenin on Glutamate-induced [Ca2+]i Increases in Cultured Rat Hippocampal Neurons

Ji-HwaHan, KiJungKim, Hyun-JongJang, JuHoJang, Myung-JunKim, KiWugSung, Duck-JooRhie, Yang-HyeokJo, SangJuneHahn, Mun-YongLee, ShinHeeYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.2 2 43-50 (8 pages)

Ji-HwaHan, KiJungKim, Hyun-JongJang, JuHoJang, Myung-JunKim, KiWugSung, Duck-JooRhie, Yang-HyeokJo, SangJuneHahn, Mun-YongLee, ShinHeeYoon 저
...
- 3,000원
Flavonoids have been shown to affect calcium signaling in neurons. However, there are no reports on the effect of apigenin on glutamate-induced calcium signaling in neurons. We investigated whether apigenin affects glutamate-induced increase of free intracellular Ca2+ concentration ([Ca2+]i) in cultured rat hippocampal neurons, using fura-2-based digital calcium imaging and microfluorimetry. The hippocampal neurons were used between 10 and 13 days in culture from embryonic day 18 rats....
319.

Lysophosphatidylcholine Increases Ca2+ Current via Activation of Protein Kinase C in Rabbit Portal Vein Smooth Muscle Cells

SeungsooJung, YounghoLee, SungsikHan, YoungwhanKim, TaiksangNam, DucksunAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.1 5 31-34 (4 pages)

SeungsooJung, YounghoLee, SungsikHan, YoungwhanKim, TaiksangNam, DucksunAhn 저
...
- 1,500원
by washout. Steady state voltage dependency of activation or inactivation properties of ICa(L) was not significantly changed by LPC. Staurosporine (100 nM) or chelerythrine (3ՌM), which is a potent inhibitor of PKC, significantly decreased basal ICa(L), and LPC-induced increase of ICa(L) was significantly suppressed in the presence of PKC inhibitors. On the other hand, application of PMA, an activator of PKC, increased basal ICa(L) significantly, and LPC-induced enhancement of ICa(L) was...
320.

Involvement of Thromboxane A2 in the Modulation of Pacemaker Activity of Interstitial Cells of Cajal of Mouse Intestine

JinHoKim, SooJinChoi, CheolHoYeum, PyungJinYoon, SeokChoi, JaeYeoulJun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.1 4 25-30 (6 pages)

JinHoKim, SooJinChoi, CheolHoYeum, PyungJinYoon, SeokChoi, JaeYeoulJun 저
...
- 3,000원
produced membrane depolarization in current-clamp mode and increased tonic inward pacemaker currents in voltage-clamp mode. The tonic inward currents by TXA2 were inhibited by intracellular application of GDP-Ղ-S. The pretreatment of ICC with Ca2+ free solution and thapsigargin, a Ca2+-ATPase inhibitor in endoplasmic reticulum, abolished the generation of pacemaker currents and suppressed the TXA2-induced tonic inward currents. However, chelerythrine or calphostin C, protein kinase C...

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