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Regulatory Action of ß-adrenergic Agonist and 8-bromocyclic AMP on Calcium Currents in the Unfertilized Mouse Eggs
Haan, Jae-Hee, Cheong, Seung-Jin, Kim, Yang-Mi, Park, Choon-Ok, Hong, Seong-Geun 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1993, 제 27권 제 2호 6 175-184 (10 pages)
calcium channel activation is affected by the substances involved in signal transduction pathways in the mouse eggs. In this study, the effects of isoprenaline (ISP) and cyclic AMP on calcium influx through calcium channels were investigated to show their relationship with the signal transduction process in unfertilized mouse eggs. Using whole cell voltage clamp techniques, calcium currents, elicited by the depolarizing pulses of 300 ms duration (from -50 mV to 50 mV in 10 mV increments) from a... -
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)
larger than that in the presence of cyclic AMP or cyclic GMP alone. In the presence of 100 μM cyclic GMP or 100 μM 8-bromo-cyclic GMP, already augmented calcium current was potentiated by intracellular application of 100 μM cyclic AMP or 1 μM isoprenaline or 1 μM forskolin. In the presence of cyclic GMP, acetylcholine reduced the calcium current only when the calcium current was increased by isoprenaline. From the above results it could be concluded that intracellular perfusion with cyclic... -
Voltage-Dependent Ionic Currents and Their Regulation by GTP and Phorbol Ester in the Unfertilized Eggs of Mouse and Hamster
Kim, Ik-Hyun, Kim, Yang-Mi, Haan, Jae-Hee, Park, Choon-Ok, Hong, Seong-Geun 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1993, 제 27권 제 1호 9 93-106 (14 pages)
The present study was performed to investigate the properties of ionic currents elicited by voltage pulses in the unfertilized eggs of mouse and hamster by using the whole cell voltage clamp techniques and to find out if there are any differences in properties between eggs of the two rodents. In addition, the modulatory effect of G proteins and protein kinase C (PKC) on the ionic channels were observed. The inward current in hamster eggs was shown to be due to Ca2+ current (ica)). The current... -
Calcium Current and Background Current Activation in L-triiodothyronine Loaded Ventricular Myocytes of the Rabbit
Han, Jin, Kim, Eui-Yong, Han, Jae-Hee, Park, Choon-Ok, Hong, Seong-Geun, Leem, Chae-Hun, So, In-Suk, Ho, Won-Kyung, Earm, Yung-E, Sung, H 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 2호 1 99-112 (14 pages)
current voltage curve and reverse potential did not altered. Cyclic AMP, cyclic GMP, isoprenaline and 3-isobutyl-1-methyl-xanthine increased ICa in euthyroid and hyperthyroid conditions, and acetylcholine blocked the increase of ICa in T3 loaded cells. The amplitude of ICa was much larger after perfusing cGMP than cGMP in both conditions, whereas the degree of increase of ICa was greater after perfusing cAMP than cGMP in T3 loaded cells. The degree of increase of ICa after perfusing isoprenaline... -
Excitatory Influences of Noradrenaline on the Spontaneous Contractions and Electrical Activity of Antral Circular Muscle of the Guinea-pig Stomach
Lee, Taik-Jong, Kim, Jin-Hwan, Kim, Ki-Whan 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1991, 제 25권 제 2호 5 147-158 (12 pages)
The effects of noradrenaline on the spontaneous contraction recorded from a strip of mucosa-free antral circular muscle were studied in the guinea-pig stomach, and the changes in slow waves and membrane resistance were analyzed in order to elucidate the mechanism for the excitatory response to noradrenaline. Electrical responses of circular muscle cells were recorded using glass microelectrodes filled with 3 M KCI. Electrotonic potentials were produced to estimate membrane resistance by the... -
기니피그 위점막이 카테콜아민 유발 위운동에 미치는 영향
이풍렬(Rhee, Poong-Lyul), 김기환(Kim, Ki-Whan), 이상진(Lee, Sang-Jin) 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1989, 제 23권 제 2호 5 277-290 (14 pages)
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정맥 주입한 Catecholamine이 흰쥐의 기초상태시 위산, Gastrin 및 Secretin 분비에 미치는 영향
김명석(Kim, Myung-Suk), 심상수(Sim, Sang-Soo), 김미혜(Kim, Mie-Hye), 최현(Choi, Hyun) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1988, 제 22권 제 2호 3 179-188 (10 pages)
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Higenamine이 단일심근세포의 Ca-전류 및 활동전압에 미치는 효과
김영덕(Kim, Young-Duck), 서인석(So, In-Suk), 엄융의(Earm, Yung-E) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1987, 제 21권 제 2호 2 169-178 (10 pages)
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토끼 동방결절에서의 완만내향전류(isi)에 관한 연구
안광필(Ahn, Kwang-Pil), 이영균(Lee, Young-Kyun), 엄융의(Earm, Yung-E), 김우겸(Kim, Woo-Gyeum) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1986, 제 20권 제 2호 2 165-174 (10 pages)
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칼슘 및 칼륨이온이 흰쥐 자궁근(子宮筋) 활동전압(活動電壓)에 미치는 영향(影響)
김철수(Kim, Chul-Soo), 김기환(Kim, Ki-Whan) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1986, 제 20권 제 1호 5 43-52 (10 pages)
