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181.

Acetylcholine Induces Hyperpolarization Mediated by Activation of K(Ca) Channels in Cultured Chick Myoblasts

DoyunLee, JaeheeHan, Jae-YongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.1 6 37-44 (8 pages)

DoyunLee, JaeheeHan, Jae-YongPark 저
...
- 3,000원
provide direct evidence that ACh induced Ca2⁢ influx from extracellular solution, which was dramatically increased by valinomycin-mediated hyperpolarization. In addition, ACh hyperpolarized the membrane potential from ⁣12.5⁑3 to ⁣31.2⁑5 mV by generating the outward current through KCa channels. These results suggest that activation of nAChR increases Ca2⁢ influx, which activates KCa channels, thereby hyperpolarizing the membrane potential in chick myoblasts.
182.

Identification of a Marker Protein for Cardiac Ischemia and Reperfusion Injury by Two-Dimensional Gel Electrophoresis and Matrix-Assisted Laser Desorption Ionization Mass Spectrometry

YoungsukLee, NariKim, HyunjuKim, HyunJoo, YoungnamKim, DaehoonJeong, DangVanCuong, EuiyongKim, DaeYoungHur, YoungShikPark, YongGeunHong, Sa 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 6 207-212 (6 pages)

YoungsukLee, NariKim, HyunjuKim, HyunJoo, YoungnamKim, DaehoonJeong, DangVanCuong, EuiyongKim, DaeYoungHur, YoungShikPark, YongGeunHong, Sa 저
...
- 3,000원
The purpose of the present study was to evaluate the expression of cardiac marker protein in rabbit cardiac tissue that was exposed to ischemic preconditioning (IPC), or ischemiareperfusion injury (IR) using two-dimensional gel electrophoresis (2DE) and matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS). We compared 2DE gels of control (uninjured) cardiac tissue with those of IPC and IR cardiac tissue. Expression of one protein was detected in IR heart tissue, however the...
183.

Nitric Oxide Synthase Mediates Carbon Monoxide-Induced Stimulation of L-type Calcium Currents in Human Jejunal Smooth Muscle Cells

InjaLim, JihyunYun, SeungtaeKim, SoonchulMyung, TaehoKim, HyoweonBang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.3 7 161-166 (6 pages)

InjaLim, JihyunYun, SeungtaeKim, SoonchulMyung, TaehoKim, HyoweonBang 저
...
- 3,000원
of L-type Ca2⁢ current in human jejunal circular smooth muscle cells. Cells were voltage clamped by whole-cell mode patch clamp technique, and membrane currents were recorded with 10 mM barium as the charge carrier. Before the addition of CO, cells were pretreated with each inhibitor of three NOS isoforms for 15 minutes. CO-stimulating effect on L-type Ca2⁢ current was partially blocked by N-(3-(Amino-methyl) benzyl) acetamidine·2HCl (1400W, an iNOS inhibitor). On the other hand,...
184.

PGE2 Regulates Pacemaker Currents through EP2-Receptor in Cultured Interstitial Cells of Cajal from Murine Small Intestine

SeokChoi, KyungWonCho, Jong-HyunReu, Jun-SooKim, HyunSikMun, MyungYoungKim, KwangChulPark, GwangSikHeo, SungJongChang, CheolHoYeum, PyungJ 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.3 6 153-160 (8 pages)

SeokChoi, KyungWonCho, Jong-HyunReu, Jun-SooKim, HyunSikMun, MyungYoungKim, KwangChulPark, GwangSikHeo, SungJongChang, CheolHoYeum, PyungJ 저
...
- 3,000원
EP receptor agonists were used: Butaprost (1μM), EP2 receptor agonist, reduced the spontaneous inward current frequency and amplitude in cultured ICCs (n=5). However sulprostone (1μM), a mixed EP1 and EP3 agonist, had no effects on the frequency, amplitude and resting currents of pacemaker currents (n=5). SQ-22536 (an inhibitor of adenylate cyclase; 100μM) and ODQ (an inhibitor of guanylate cyclase; 100μM) had no effects on PGE2 actions of pacemaker currents. These observations indicate that...
185.

Alteration of Immunoreactivity for SNARE Proteins in the Rat Hippocampus after Middle Cerebral Artery Occlusion

JungSunPark, PilWooHuh, YeonJooJung, SuJinPark, KyungEunLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.3 4 141-146 (6 pages)

JungSunPark, PilWooHuh, YeonJooJung, SuJinPark, KyungEunLee 저
...
- 3,000원
Soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNARE) proteins, composed of two presynaptic membrane proteins [synaptosomal-associated protein of 25 kDa (SNAP-25) and syntaxin] and a presynaptic vesicular protein [vesicle-associated membrane protein (VAMP)], serve as a core of exocytotic fusion machinery, which can be affected by ischemia. Synaptic protein in core region, striatum and cortex has been shown to alter after focal ischemia, however, little is known in...
186.

Effects of Chlorhexidine digluconate on Rotational Rate of n-(9-Anthroyloxy)stearic acid in Model Membranes of Total Lipids Extracted from Porphyromonas gingivalis Outer Membranes

Hye-OckJang, Dong-WonKim, Byeong-IllKim, Hong-GuSim, Young-HoLee, Jong-HwaLee, Jung-HaBae, Moon-KyoungBae, Tae-HyukKwon, IlYun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.2 3 83-88 (6 pages)

Hye-OckJang, Dong-WonKim, Byeong-IllKim, Hong-GuSim, Young-HoLee, Jong-HwaLee, Jung-HaBae, Moon-KyoungBae, Tae-HyukKwon, IlYun 저
...
- 3,000원
The purpose of this study was to provide a basis for studying the molecular mechanism of pharmacological action of chlorhexidine digluconate. Large unilamellar vesicles (OPGTL) were prepared with total lipids extracted from cultured Porphyromonas gingivalis outer membranes (OPG). The anthroyloxy probes were located at a graded series of depths inside a membrane, depending on its substitution position (n) in the aliphatic chain. Fluorescence polarization of n-(9-anthroyloxy)stearic acid was used...
187.

Role of Stretch-Activated Channels in Stretch-Induced Changes of Electrical Activity

JaeBoumYoum, Su-HyunJo, ChaeHunLeem, Won-KyungHo, YungE. 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.1 6 33-41 (9 pages)

JaeBoumYoum, Su-HyunJo, ChaeHunLeem, Won-KyungHo, YungE. 저
...
- 3,000원
We developed a cardiac cell model to explain the phenomenon of mechano-electric feedback (MEF), based on the experimental data with rat atrial myocytes. It incorporated the activity of ion channels, pumps, exchangers, and changes of intracellular ion concentration. Changes in membrane excitability and Ca2⁢ transients could then be calculated. In the model, the major ion channels responsible for the stretch-induced changes in electrical activity were the stretch-activated channels (SACs)....
188.

The Effect of Carbon Monoxide on L-type Calcium Channel Currents in Human Intestinal Smooth Muscle Cells

InjaLim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 10 357-362 (6 pages)

InjaLim 저
...
- 3,000원
circular smooth muscle cells. Cells were voltage clamped with 10 mM barium (Ba2⁢) as the charge carrier, and CO was directly applied into the bath to avoid perfusion induced effects on the recorded currents. 0.2% CO was increased barium current (IBa) by 15⁑2% (mean⁑S.E., p＜0.01, n=11) in the cells. To determine if the effects of CO on barium current were mediated through the cGMP pathway, cells were pretreated with 1-H-[1,2,4]oxadiazolo[4,3,-a]quinoxalin-1-one (ODQ, 10μM), a...
189.

Stretch-activated K+ Channels in Rat Atrial Myocytes

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

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 8 341-318 (8 pages)

JaeBoumYoum 저
...
- 3,000원
Mechanical stimuli to the cardiac myocytes initiate many biochemical and physiological events. Stretch-activated cation channels have been suggested to mediate these events. In this study, cell-attached and inside-out excised-patch clamp methods were used to identify stretch-activated cation channels in adult rat atrial myocytes. Channel openings were increased in cell-attached configuration when negative pressure was applied to the pipette, and also in inside-out excised patches by negative...
190.

The Substates with Mutants That Negatively Charged Aspartate in Position 172 Was Replaced with Positive Charge in Murine Inward Rectifier Potassium Channel (Murine Kir2.1)

ISo, I.Ashmole, P.R.Stanfield 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages

대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 4 267-273 (7 pages)

ISo, I.Ashmole, P.R.Stanfield 저
...
- 3,000원
recorded with all mutants D172H, D172K and D172R. The unitary current-voltage (I-V) relation was not linear with D172H at pHi 6.3, whereas the unitary I-V relation was linear at pHi 8.0. The relative occupancy at SLC was increased from 0.018 at pHi 8.0 to 0.45 at pHi 5.5. In H-N dimer, that was increased from 0.016 at pHi 8.0 to 0.23 at pHi 5.5. The larger the size of the side chain or pKa with mutants (D172H, D172K and D172R), the more frequent the transitions between the fully open state and...

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