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氨氯吡咪不会阻断小鼠(Slc:ICR)的味觉转导。

Amiloride does not block taste transduction in the mouse (Slc:ICR).

作者信息

Tonosaki K, Funakoshi M

机构信息

Department of Oral Physiology, School of Dentistry, Asahi University, Gifu, Japan.

出版信息

Comp Biochem Physiol A Comp Physiol. 1989;94(4):659-61.

PMID:2575952
Abstract
  1. The receptor potential of the mouse taste cell was recorded with an intracellular microelectrode while taste stimuli were applied to the tongue surface of the anesthetized mouse. 2. A membrane depolarization accompanied by an increase in membrane resistance was observed after a sucrose stimulus. 3. A sodium-chloride stimulus initiated a membrane depolarization accompanied by a decrease in membrane resistance. 4. Amiloride elicits a depolarization of the membrane and is accompanied by an increase in membrane resistance. 5. Pre-adapting the tongue to amiloride, which is known as a potent sodium channel blocker, did not alter the responses to sodium-chloride and other taste stimuli.
摘要
  1. 在对麻醉的小鼠舌面施加味觉刺激时,用细胞内微电极记录小鼠味觉细胞的感受器电位。2. 蔗糖刺激后观察到膜去极化并伴有膜电阻增加。3. 氯化钠刺激引发膜去极化并伴有膜电阻降低。4. 氨氯吡咪引起膜去极化并伴有膜电阻增加。5. 预先用已知为强效钠通道阻滞剂的氨氯吡咪处理舌头,并未改变对氯化钠及其他味觉刺激的反应。

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Distribution and characterization of functional amiloride-sensitive sodium channels in rat tongue.大鼠舌中功能性氨氯地平敏感钠通道的分布与特征
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