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[锂影响下跨上皮电势和电流的振荡]

[Oscillations in the transepithelial electric potential and current under the influence of lithium].

作者信息

Thellier M, Lassalles J P, Stelz T, Hartmann A, Ayadi A

出版信息

C R Acad Hebd Seances Acad Sci D. 1976 Jun 21;282(23):2111-4.

PMID:822951
Abstract

One can induce sustained oscillations of the spontaneous potential of the frog epithelium by replacing whole or part of the sodium of the external medium with lithium; in the same conditions, the electric current at imposed potential gives damped oscillations. The shape of the oscillations varies much according to the external medium. In the case of the quasi-sinusoidal oscillations, The period is always about 10 mn. We suggest formulating this phenomenon within the framework of the dissipative structurations in non-equilibrium thermodynamics.

摘要

通过用锂替代外部介质中的全部或部分钠,可以诱导青蛙上皮细胞自发电位的持续振荡;在相同条件下,施加电位时的电流会产生阻尼振荡。振荡的形状根据外部介质的不同而有很大变化。在准正弦振荡的情况下,周期总是约为10分钟。我们建议在非平衡热力学中的耗散结构框架内阐述这一现象。

相似文献

1
[Oscillations in the transepithelial electric potential and current under the influence of lithium].[锂影响下跨上皮电势和电流的振荡]
C R Acad Hebd Seances Acad Sci D. 1976 Jun 21;282(23):2111-4.
2
Oscillation of the electric potential of frog skin under the effect of Li+: experimental approach.Li⁺作用下蛙皮电位的振荡:实验方法
J Membr Biol. 1980 Sep 30;56(2):107-19. doi: 10.1007/BF01875962.
3
Oscillation of the electrical potential of the frog skin under the effect of Li+: theoretical formulation.锂离子作用下蛙皮电位的振荡:理论公式
Biophys Chem. 1981 Sep;14(1):65-80. doi: 10.1016/0301-4622(81)87007-x.
4
Correlation between damping coefficients and externally injected currents in oscillations produced by lithium ions in frog skin.蛙皮中锂离子产生的振荡中阻尼系数与外部注入电流之间的相关性。
J Exp Biol. 1988 Mar;135:51-64. doi: 10.1242/jeb.135.1.51.
5
Transient current changes and Na compartimentalization in frog skin epithelium.蛙皮上皮细胞中的瞬态电流变化和钠的区室化
Pflugers Arch. 1975 Jul 21;358(2):135-57. doi: 10.1007/BF00583924.
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Ion selectivity of the apical membrane Na channel in the toad urinary bladder.蟾蜍膀胱顶端膜钠通道的离子选择性
J Membr Biol. 1982;67(2):91-8. doi: 10.1007/BF01868651.
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Diacylglycerols stimulate short-circuit current across frog skin by increasing apical Na+ permeability.二酰基甘油通过增加顶端钠离子通透性来刺激蛙皮的短路电流。
J Membr Biol. 1987;97(3):193-204. doi: 10.1007/BF01869222.
8
Coupling of volume and Na+ transport in frog skin epithelium.蛙皮上皮细胞中体积与钠离子转运的偶联
Biol Cell. 1989;66(1-2):183-90.
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Quasi-periodic behaviour in a model for the lithium-induced, electrical oscillations of frog skin.
C R Biol. 2002 Sep;325(9):917-25. doi: 10.1016/s1631-0691(02)01507-x.
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Apical sodium entry in split frog skin: current-voltage relationship.分裂蛙皮中的顶端钠内流:电流-电压关系
J Membr Biol. 1984;82(1):25-40. doi: 10.1007/BF01870729.

引用本文的文献

1
Oscillation of the electric potential of frog skin under the effect of Li+: experimental approach.Li⁺作用下蛙皮电位的振荡:实验方法
J Membr Biol. 1980 Sep 30;56(2):107-19. doi: 10.1007/BF01875962.
2
Influence of lithium upon the intracellular potential of frog skin epithelium.锂对蛙皮上皮细胞内电位的影响。
J Membr Biol. 1977 Dec 15;37(3-4):347-59. doi: 10.1007/BF01940939.