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371.

Effects of Protopanaxatriol-Ginsenoside Metabolites on Rat N-Methyl-D-Aspartic Acid Receptor-Mediated Ion Currents

Tae-JoonShin, Sung-HeeHwang, Sun-HyeChoi, Byung-HwanLee, JiyeonKang, Hyeon-JoongKim, R.SuzanneZukin, HyewhonRhim, Seung-YeolNah 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.2 5 113-118 (6 pages)

Tae-JoonShin, Sung-HeeHwang, Sun-HyeChoi, Byung-HwanLee, JiyeonKang, Hyeon-JoongKim, R.SuzanneZukin, HyewhonRhim, Seung-YeolNah 저
...
- 3,000원
Ginsenosides are low molecular weight glycosides found in ginseng that exhibit neuroprotective effects through inhibition of N-methyl-D-aspartic acid (NMDA) receptor channel activity. Ginsenosides, like other natural compounds, are metabolized by gastric juices and intestinal microorganisms to produce ginsenoside metabolites. However, little is known about how ginsenoside metabolites regulate NMDA receptor channel activity. In the present study, we investigated the effects of ginsenoside...
372.

Standard Error of Empirical Bayes Estimate in NONMEMⰒ VI

DongwooKang, Kyun-SeopBae, BrettE.Houk, RadojkaM.Savic, MatsO.Karlsson 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.2 3 97-106 (10 pages)

DongwooKang, Kyun-SeopBae, BrettE.Houk, RadojkaM.Savic, MatsO.Karlsson 저
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- 3,000원
The pharmacokinetics/pharmacodynamics analysis software NONMEMⰒ output provides model parameter estimates and associated standard errors. However, the standard error of empirical Bayes estimates of inter-subject variability is not available. A simple and direct method for estimating standard error of the empirical Bayes estimates of inter-subject variability using the NONMEMⰒ VI internal matrix POSTV is developed and applied to several pharmacokinetic models using intensively or...
373.

Defective Mitochondrial Function and Motility Due to Mitofusin 1 Overexpression in Insulin Secreting Cells

Kyu-SangPark, reasWiederkehr, ClaesB.Wollheim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.1 11 71-77 (7 pages)

Kyu-SangPark, reasWiederkehr, ClaesB.Wollheim 저
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- 3,000원
Mitochondrial dynamics and distribution is critical for their role in bioenergetics and cell survival. We investigated the consequence of altered fission/fusion on mitochondrial function and motility in INS-1E rat clonal Ղ-cells. Adenoviruses were used to induce doxycycline-dependent expression of wild type (WT-Mfn1) or a dominant negative mitofusin 1 mutant (DN-Mfn1). Mitochondrial morphology and motility were analyzed by monitoring mitochondrially-targeted red fluorescent protein....
374.

A Novel Pathway Underlying the Inhibitory Effects of Melatonin on Isolated Rat Urinary Bladder Contraction

JuneHyunHan, InHoChang, SoonChulMyung, MooYeolLee, WonYongKim, SeoYeonLee, ShinYoungLee6, SeungWookLee, KyungDoKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.1 6 37-42 (6 pages)

JuneHyunHan, InHoChang, SoonChulMyung, MooYeolLee, WonYongKim, SeoYeonLee, ShinYoungLee6, SeungWookLee, KyungDoKim 저
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- 3,000원
contraction induced by high KCl ([KCl]ECF; 35 mM, 70 mM, 105 mM, and 140 mM) and EFS. Melatonin (10－7 M) potentiated the relaxation response of the strips by verapamil, but other potassium channel blockers did not change melatonin activity. Melatonin pretreatment significantly decreased contractile responses induced by Bay K 8644 (10－11∼10－7 M). KN-93 enhanced melatonin-induced relaxation. The present results suggest that melatonin can inhibit bladder smooth muscle contraction through a...
375.

Spontaneous Oscillatory Rhythm in Retinal Activities of Two Retinal Degeneration (rd1 and rd10) Mice

YongSookGoo, KunNoAhn, YeongJunSong, SuHeokAhn, SeungKeeHan, SangBaekRyu, KyungHwanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 13 415-422 (8 pages)

YongSookGoo, KunNoAhn, YeongJunSong, SuHeokAhn, SeungKeeHan, SangBaekRyu, KyungHwanKim 저
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- 3,000원
Previously, we reported that besides retinal ganglion cell (RGC) spike, there is ∼10 Hz oscillatory rhythmic activity in local field potential (LFP) in retinal degeneration model, rd1 mice. The more recently identified rd10 mice have a later onset and slower rate of photoreceptor degeneration than the rd1 mice, providing more therapeutic potential. In this study, before adapting rd10 mice as a new animal model for our electrical stimulation study, we investigated electrical characteristics of...
376.

A Computational Model of the Temperature-dependent Changes in Firing Patterns in Aplysia Neurons

NamGyuHyun, Kwang-HoHyun, Kwang-BeomHyun, Jin-HeeHan, KyungminLee, Bong-KiunKaang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 12 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 8 371-382 (12 pages)

NamGyuHyun, Kwang-HoHyun, Kwang-BeomHyun, Jin-HeeHan, KyungminLee, Bong-KiunKaang 저
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- 4,100원
We performed experiments using Aplysia neurons to identify the mechanism underlying the changes in the firing patterns in response to temperature changes. When the temperature was gradually increased from 11oC to 31oC the firing patterns changed sequentially from the silent state to beating, doublets, beating-chaos, bursting-chaos, square-wave bursting, and bursting-oscillation patterns. When the temperature was decreased over the same temperature range, these sequential changes in the firing...
377.

Regulator of Calcineurin 1 Isoform 4 (RCAN1.4) Is Overexpressed in the Glomeruli of Diabetic Mice

ChorongJang, JiHeeLim, CheolWheePark, Young-JinCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 8 299-306 (8 pages)

ChorongJang, JiHeeLim, CheolWheePark, Young-JinCho 저
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- 3,000원
Calcineurin (CaN) is activated in diabetes and plays a role in glomerular hypertrophy and extracellular matrix (ECM) accumulation. Here, kidneys from diabetic model mice were investigated for the expression of the regulator of CaN 1 (RCAN1) isoform 4 (RCAN1.4) which had been shown to be transcriptionally upregulated by CaN activation. We found the increased immunoreactivity for RCAN1 in the glomerular cells of db/db mice and streptozotocin-induced diabetic mice. In concordance, the expression of...
378.

Quercetin-induced Growth Inhibition in Human Bladder Cancer Cells Is Associated with an Increase in Ca2＋-activated K＋ Channels

YangmiKim, Wun-JaeKim, , Eun-JongCha 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 5 279-284 (6 pages)

YangmiKim, Wun-JaeKim, , Eun-JongCha 저
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- 3,000원
Quercetin (3,3',4',5,7-pentahydroxyflavone) is an attractive therapeutic flavonoid for cancer treatment because of its beneficial properties including apoptotic, antioxidant, and antiproliferative effects on cancer cells. However, the exact mechanism of action of quercetin on ion channel modulation is poorly understood in bladder cancer 253J cells. In this study, we demonstrated that large conductance Ca2＋- activated K＋ (BKCa) or MaxiK channels were functionally expressed in 253J cells, and...
379.

Altered Regulation of Renal Nitric Oxide and Atrial Natriuretic Peptide Systems in Lipopolysaccharide-induced Kidney Injury

EunHuiBae, InJinKim, SeongKwonMa, JongUnLee, SooWanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 4 273-278 (6 pages)

EunHuiBae, InJinKim, SeongKwonMa, JongUnLee, SooWanKim 저
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- 3,000원
plasma NOx levels increased in LPS-treated rats. SNP-stimulated GC activity remained unchanged in the glomerulus and papilla in the LPS-treated rats. mRNA expression of natriuretic peptide receptor (NPR)-C decreased in LPS-treated rats, while that of ANP and NPR-A did not change. ANP-stimulated GC activity reduced in the glomerulus and papilla. In conclusion, enhancement of the NO/cGMP pathway and decrease in ANP clearance were found play a role in the pathogenesis of LPS-induced kidney injury.
380.

Characteristics of 5-Hydroxytryptamine Receptors Involved in Contraction of Feline Ileal Longitudinal Smooth Muscle

YiYiWang, SunYoungPark, KyungHoonOh, YoungsilMin, Yun-JeongLee, Seok-YongLee, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.5 3 267-272 (6 pages)

YiYiWang, SunYoungPark, KyungHoonOh, YoungsilMin, Yun-JeongLee, Seok-YongLee, UyDongSohn 저
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- 3,000원
A number of studies have demonstrated that 5-hydroxytryptamine (5-HT) can induce muscle contraction or relaxation response and enhance secretion in the gastrointestinal tract via a multiplicity of 5-HT receptor subtypes. In the present study, we investigated the pharmacological characterization of the 5-HT-induced contractile response in longitudinal smooth muscle isolated from the feline ileum. Addition of 5-HT into muscle chambers enhanced the basal tone and spontaneous activity in a...

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