Electrical Activity of the Mouse Pulmonary Vein Myocardium
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概要
- 論文の詳細を見る
We recorded the electrical activity from the myocardial layer of isolated mouse pulmonary veins with the glass microelectrode technique. Spontaneous electrical activity was observed in about half of the preparations, which appeared either as constant firing or as repetitive bursts. Noradrenaline enhanced, while acetylcholine reduced, automatic activity. The action potentials evoked in quiescent preparations showed a resting membrane potential less negative than the atria and an extremely rapid early repolarization followed by a late plateau. The present study revealed that the mouse pulmonary vein myocardium shows diverse electrical activity, which is influenced by autonomic neurotransmitters.
著者
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Kobayashi Yuka
Department Of Biological And Environmental Chemistry Faculty Of Agriculture Tottori University
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Tsuneoka Yayoi
Department Of Molecular Biotechnology Graduate School Of Advanced Science Of Matter Hiroshima Univer
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Namekata Iyuki
Department Of Pharmacology Faculty Of Pharmaceutical Sciences Toho University
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Honda Yoriko
Department Of Pharmacology Toho University Faculty Of Pharmaceutical Sciences
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Tanaka Hikaru
Department of Endocrinology and Metabolism, Hirosaki University
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Honda Yoriko
Department of Pharmacology, Toho University Faculty of Pharmaceutical Sciences, Japan
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