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31.

Inhibition of K+ outward currents by linopirdine in the cochlear outer hair cells of circling mice within the first postnatal week

ShinWookKang, JiWoongAhn, SeungCheolAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 13 251-257 (7 pages)

ShinWookKang, JiWoongAhn, SeungCheolAhn 저
...
- 3,000원
Inhibition of K+ outward currents by linopirdine in the outer hair cells (OHCs) of circling mice (homozygous (cir /cir ) mice), an animal model for human deafness (DFNB6 type), was investigated using a whole cell patch clamp technique. Littermate heterozygous (+/cir ) and ICR mice of the same age (postnatal day (P) 0 –P6) were used as controls. Voltage steps from –100 mV to 40 mV elicited small inward currents (–100 mV~–70 mV) and slow rising K+ outward currents...
32.

Blockade of Kv1.5 channels by the antidepressant drug sertraline

HyangMiLee, SangJuneHahn, BokHeeChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.2 8 193-200 (8 pages)

HyangMiLee, SangJuneHahn, BokHeeChoi 저
...
- 3,000원
0 mV, which corresponded with the voltage range for channel opening. In the voltage range positive to +10 mV, inhibition displayed a weak voltage dependence, consistent with an electrical distance δ of 0.16. Sertraline slowed the deactivation time course, resulting in a tail crossover phenomenon when the tail currents, recorded in the presence and absence of sertraline, were superimposed. Inhibition of Kv1.5 by sertraline was use-dependent. The present results suggest that sertraline acts on...
33.

Blockade of Kv1.5 by paroxetine, an antidepressant drug

HyangMiLee, SangJuneHahn, BokHeeChoi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 10 75-82 (8 pages)

HyangMiLee, SangJuneHahn, BokHeeChoi 저
...
- 3,000원
mV, which corresponded with the voltage range for channel opening. In the voltage range positive to 0 mV, inhibition displayed a weak voltage dependence, consistent with an electrical distance d of 0.32. The binding (k+1) and unbinding (k–1) rate constants for paroxetine-induced block of Kv1.5 were 4.9 µM–1s–1 and 16.1 s–1, respectively. The theoretical KD value derived by k–1/k+1 yielded 3.3 µM. Paroxetine slowed the deactivation time course, resulting...
34.

Characteristics of K+ Outward Currents in the Cochlear Outer Hair Cells of Circling Mice within the First Postnatal Week

JiWoongAhn, ShinWookKang, SeungCheolAhn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.4 11 383-388 (6 pages)

JiWoongAhn, ShinWookKang, SeungCheolAhn 저
...
- 3,000원
K+ outward currents in the outer hair cells (OHCs) of circling mice (homozygous (cir/cir) mice), an animal model for human deafness (DFNB6 type), were investigated using a whole cell patch clamp technique. Littermate heterozygous (+/cir) mice of the same age (postnatal day (P) 0 −P6) were used as controls. Similar slow rising K+ currents were observed in both genotypes, but their biophysical and pharmacological properties were quite different. The values of Vhalf for activation were...
35.

Suppression of Peripheral Sympathetic Activity Underlies Protease-Activated Receptor 2-Mediated Hypotension

Young-HwanKim, Duck-SunAhn, Ji-HyunJoeng, SeungsooChung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 7 489-496 (8 pages)

Young-HwanKim, Duck-SunAhn, Ji-HyunJoeng, SeungsooChung 저
...
- 3,000원
a selective N-type Ca2+ channel (ICa-N) blocker, significantly inhibited EFS-evoked contraction, and this blockade almost completely occluded the suppression of EFS-evoked contraction by PAR-2 agonists. Finally, PAR-2 agonists suppressed the EFS-evoked overflow of NA in endothelium-denuded rat superior mesenteric arterial strips and this suppression was nearly completely occluded by ω-CgTx. These results suggest that activation of PAR-2 may suppress peripheral sympathetic outflow by modulating...
36.

Cyanidin-3-glucoside Inhibits ATP-induced Intracellular Free Ca2＋ Concentration, ROS Formation and Mitochondrial Depolarization in PC12 Cells

ShaziaPerveen, JiSeonYang, TaeJoungHa, ShinHeeYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.4 3 297-305 (9 pages)

ShaziaPerveen, JiSeonYang, TaeJoungHa, ShinHeeYoon 저
...
- 3,000원
Flavonoids have an ability to suppress various ion channels. We determined whether one of flavonoids, cyanidin-3-glucoside, affects adenosine 5'-triphosphate (ATP)-induced calcium signaling using digital imaging methods for intracellular free Ca2＋ concentration ([Ca2＋]i), reactive oxygen species (ROS) and mitochondrial membrane potential in PC12 cells. Treatment with ATP (100μM) for 90 sec induced [Ca2＋]i increases in PC12 cells. Pretreatment with cyanidin-3-glucoside (1μg/ml to 100μg/ml)...
37.

Alpha-Asarone, a Major Component of Acorus gramineus, Attenuates Corticosterone-Induced Anxiety-Like Behaviours via Modulating TrkB Signaling Process

BombiLee, BongjunSur, MijungYeom, InsopShim, HyejungLee, Dae-HyunHahm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.3 1 191-200 (10 pages)

BombiLee, BongjunSur, MijungYeom, InsopShim, HyejungLee, Dae-HyunHahm 저
...
- 3,000원
We investigated the anxiolytic-like activity of α-asarone (AAS) from Acorus gramineus in an experimental rat model of anxiety induced by repeated administration of the exogenous stress hormone corticosterone (CORT). The putative anxiolytic effect of AAS was studied in behavioral tests of anxiety, such as the elevated plus maze (EPM) test and the hole-board test (HBT) in rats. For 21 consecutive days, male rats received 50, 100, or 200 mg/kg AAS (i.p.) 30 min prior to a daily injection of CORT....
38.

Ginger and Its Pungent Constituents Non-Competitively Inhibit Serotonin Currents on Visceral Afferent Neurons

ZhenhuaJin, GoeunLee, SojinKim, Cheung-SeogPark, YongSeekPark, Young-HoJin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 9 149-153 (5 pages)

ZhenhuaJin, GoeunLee, SojinKim, Cheung-SeogPark, YongSeekPark, Young-HoJin 저
...
- 1,500원
Nausea and emesis are a major side effect and obstacle for chemotherapy in cancer patients. Employ of antiemetic drugs help to suppress chemotherapy−induced emesis in some patients but not all patients. Ginger, an herbal medicine, has been traditionally used to treat various kinds of diseases including gastrointestinal symptoms. Ginger is effective in alleviating nausea and emesis, particularly, for cytotoxic chemotherapy drug−induced emesis. Ginger-mediated antiemetic effect has...
39.

The Downregulation of Somatic A-Type K+ Channels Requires the Activation of Synaptic NMDA Receptors in Young Hippocampal Neurons of Rats

Moon-SeokKang, Yoon-SilYang, Seon-HeeKim, Joo-MinPark, Su-YongEun, Sung-CherlJung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 7 135-141 (7 pages)

Moon-SeokKang, Yoon-SilYang, Seon-HeeKim, Joo-MinPark, Su-YongEun, Sung-CherlJung 저
...
- 3,000원
The downregulation of A-type K+ channels (IA channels) accompanying enhanced somatic excitability can mediate epileptogenic conditions in mammalian central nervous system. As IA channels are domi-nantly targeted by dendritic and postsynaptic processings during synaptic plasticity, it is presumable that they may act as cellular linkers between synaptic responses and somatic processings under various excitable conditions. In the present study, we electrophysiologically tested if the downregulation...
40.

DA-6034 Induces [Ca2+]i Increase in Epithelial Cells

Yu-MiYang, SoonhongPark, HyeWonJi, Tae-imKim, EungKweonKim, KyungKooKang, DongMinShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 1 89-94 (6 pages)

Yu-MiYang, SoonhongPark, HyeWonJi, Tae-imKim, EungKweonKim, KyungKooKang, DongMinShin 저
...
- 3,000원
DA-6034, a eupatilin derivative of flavonoid, has shown potent effects on the protection of gastric mucosa and induced the increases in fluid and glycoprotein secretion in human and rat corneal and conjunctival cells, suggesting that it might be considered as a drug for the treatment of dry eye. However, whether DA-6034 induces Ca2+ signaling and its underlying mechanism in epithelial cells are not known. In the present study, we investigated the mechanism for actions of DA-6034 in Ca2+...

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