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Effect of Cyclic GMP on the Calcium Current in Rabbit Ventricular Myocytes
Han, Jin, Leem, Chae-Hun, Ahn, Chul-Soo, So, In-Suk, Kim, Eui-Yong, Ho, Won-Kyung, Earm, Yung-E 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1993, 제 27권 제 2호 4 151-162 (12 pages)
In order to investigate the effect of intracellular cyclic GMP on calcium current the whole-cell patch clamp technique with internal perfusion method was used in isolated ventricular myocytes of the rabbit. Cyclic GMP, 8-bromo-cyclic GMP, cyclic AMP, isoprenaline and forskolin were perfused into cells and their effects on calcium current were analysed by applying depolarizing step pulses of + 10 mV in amplitude far 300 msec from holding potential of - 40 mV. Not only cyclic AMP (100 μM) but... -
Cl--sensitive Component of Ca2+-activated Tail Current in Rabbit Atrial Myocytes
Park, Choon-Ok, So, In-Suk, Ho, Won-Kyung, Kim, Woo-Gyeum, Earm, Yung-E 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 1호 3 27-36 (10 pages)
We used the whole cell patch clamp technique to examine the ionic basis for the tail current after depolarizing pulse in single atrial myocytes of the rabbit. We recorded the tail currents during various repolarizations after short depolarizing pulse from a holding potential of -70 mV. The potassium currents were blocked by external 4-aminopyridine and replacement of internal potassium with cesium. The current was reversed to the outward direction above +10 mV. High concentrations of... -
Ionic Dependence and Modulatory Factors of the Background Current Activated by Isoprenaline in Rabbit Ventricular Cells
Leem, Chae-Hun, Lee, Suk-Ho, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 1호 2 15-26 (12 pages)
In order to elucidate the properties of the background current whole cell patch clamp studies were performed in rabbit ventricular cells. Ramp pulses of ±80 mV from holding potential of 40 mV(or 20 mV) at the speed of 0.8 V/sec were given every 30 sec(or 10 sec) and current-voltage diagrams(I-V curve) were obtained. For the activation of the background current isoprenaline, adenosine 3 ,5 -cyclic monophosphate(dBcAMP), guanosine 3 ,5 -cyclic monophosphate(cGMP), and N6-2 -o-dibutyryladenosine 3... -
천수근이 중심회백질 신경세포에서 이온통로 조절작용에 미치는 영향
신민철, 장현경, 장미현, 김창주, 김연희, 김이화, Shin. Min-Chul, Chang. Hyun-Kyung, Jang. Mi-Hyeon, Kim. Chang-Ju, Kim. Youn-hee, Kim. Ee-Hwa 경락경혈학회 대한경락경혈학회지 13 Pages
경락경혈학회 대한경락경혈학회지 2003, Vol.20 No.4 17-29 (13 pages)
목적:천수근은 염증성 관절염과 염증성 장 질환 등에 사용되어왔다. 천수근이 중심회백질 신경세포에서 하행성 진통작용에 미치는 영향을 연구하였다. 방법: 중심회백질 신경세포를 분리하여 전위고정하에서 nystatin-perforated patch-clamp technique을 시행하였다. 결과: 천수근에 의하여 유발되는 이온전류는 GABA, glycine, 그리고 glutamate 수용체를 모두 활성화시켰다. -
생쥐 소장 카할세포의 내향성 향도잡이 전압에 미치는 내소산의 억제효과에 관한 연구
홍누리, 안태석, 박현수, 채한, 권영규, 김병주, Hong. Noo Ri, Ahn. Tae Seok, Park. Hyun Soo, Chae. Han, Kwon. Young Kyu, Kim. Byung Joo 대한동의생리학회 동의생리병리학회지 6 Pages
대한동의생리학회 동의생리병리학회지 2014, Vol.28 No.6 630-635 (6 pages)
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당귀수산, 생강, 커큐민의 대사성 질환과 관련된 일과성 수용체 전압 이온통로조절에 관한 연구
김병주(Byung Joo Kim) 한방비만학회 대한한방비만학회지 9 Pages
한방비만학회 대한한방비만학회지 2018, 제 18권 제 1호 2 10-18 (9 pages)
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TRPV1 in Salivary Gland Epithelial Cells Is Not Involved in Salivary Secretion via Transcellular Pathway
SeulkiChoi, Yong-HwanShin, EunNamkoong, Sung-MinHwang, XinCong, GuangyanYu, KyungpyoPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 12 525-530 (6 pages)
Transient receptor potential vanilloid subtype 1 (TRPV1) was originally found in sensory neurons. Recently, it has been reported that TRPV1 is expressed in salivary gland epithelial cells (SGEC). However, the physiological role of TRPV1 in salivary secretion remains to be elucidated. We found that TRPV1 is expressed in mouse and human submandibular glands (SMG) and HSG cells, originated from human submandibular gland ducts at both mRNA and protein levels. However, capsaicin (CAP), TRPV1 agonist,... -
Effects of Phenylephrine on the Excitability of Medial Vestibular Nuclear Neurons in Rats
Han-SeongJeong, HaeRyongHuh, Myung-JooJang, Seol-HeeHong, SujeongJang, JinPark, Seung-HanLee, Jae-HaKim, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.3 3 131-136 (6 pages)
by whole-cell patch-clamp technique. Sprague-Dawley rats, aged 14 to 16 days, were used. After enzymatic digestion, dissociated medial vestibular neurons were transferred to a recording chamber mounted on an inverted microscope, and spontaneous action potentials were recorded by standard patch-clamp techniques. In current-clamp mode, the frequency of spontaneous action potential of medial vestibular nuclear neurons was decreased by phenylephrine (n=15). Phenylephrine increased the amplitude of... -
Modulation of Inwardly Rectifying K+ Channel by Intracellular and Extracellular pH in Bovine Aortic Endothelial Cells
Kyu-SangPark, InDeokKong, JoongWooLee, HyewhonRhim, YoungChulKim, InsukSo, KiWhanKim, 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.5 4 255-260 (6 pages)
the bovine aortic endothelial cells (BAECs) were examined using whole-cell patch-clamp technique. The IRK current, efficiently blocked by Ba2 (200μM), is the most prominent membrane current in BAECs, which mainly determines the resting membrane potential. The expression of Kir2.1 was observed in BAECs using reverse transcriptase-polymerase chain reaction (RT-PCR) analysis. Intracellular alkalinization, elicited by the extracellular substitution of NaCl with NH4Cl (30 mM), significantly...
