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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)
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... -
흰쥐 뇌내(腦內)의 무수카린성 콜린 수용체의 이질성(異質性)
이종화(Jong-Hwa Lee), Esam E. EI-Fakahany 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1987, 제 23권 제 2호 5 101-112 (12 pages)
중추신경계 특히 뇌내(腦內)의 무수카린성 콜린 수용체 (mAchR)에 대한 수용체 특성의 연구의 하나로, 물리 화학적 성상에 다른 두 종류의 콜린길항제를 사용하여 서로 다른 두 형태의 조직에서 약물의 작용양상 및 다른 약물과의 상호작용을 정초하였다. 실험동물로는 흰쥐를 일정기간 규정사료를 사육하였고, 사용한 Radioactive ligands는 (3H) QNB와 (3H) NMS였으며 그외에 다른 수종의 길항제 또는 효능제와의 치환작용을 brain homogenates와 intact brain cell aggregates에서 관찰하여 다음과 같은 결과를 얻었다. 1. (3H) QNB와... -
The Effects of Prolactin and Vasopressin on the Regulation of Amniotic Fluid Volume and Its Na+ Concentration through the Membrane Surrounding Amniotic Fluid
Kim, Dong-Wook, Kim, Sang-Jeong, Sung, Ho-Kyung 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 1호 8 81-90 (10 pages)
of amniotic fluid (AF) volume and its Na+ concentration ([Na+]) through the membrane surrounding the AF during increase in AF volume due to fetal urination， were studied. About 70% of AF volume was replaced with normal isotonic saline solution. Isotonic saline solution (0.5ml) containing Congored and LiCI was introduced into each amniotic sac. Vasopressin (25 ng/ml) or prolactin (1 mg/ml) of AF was then injected into experimental amniotic sac. The concentrations of Congored， Li+，and Na+ T... -
Contribution of Bulk Flow to Transport Mechanisms of the Membranes Surrounding Amniotic Fluid in the Rabbit
Lim, Young-Cheol, Lee, Sang-Jin, Sung, Ho-Kyung 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 1호 8 79-90 (12 pages)
(isotonic isovolumetric, hypotonic isovolumetric, isotonic hypervolumetric and hypotonic hypervolumetric ones) by replacing 70% of amniotic fluid of pregnant rabbits with water or normal Tyrode solutions. Isoosmotic saline of 0.5 ml volume containing 0.05% Censored and 15 mM/l LiCl was administered initially into amniotic sacs of all subject animals. Samples of amniotic fluid were collected in after 30 and 90 minute intervals; the concentrations of Censored, Na+ and Li+ were determined and...
