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Electrophysiological modifications induced by the fluorescent probe, pyrene, on Myxicola giant axons.

作者信息

Duclohier H, Desmazes J P, Georgescauld D

出版信息

Biochim Biophys Acta. 1980 Apr 24;597(3):622-5. doi: 10.1016/0005-2736(80)90233-3.

DOI:10.1016/0005-2736(80)90233-3
PMID:6246944
Abstract

Current- and voltage-clamp experiments on Myxicola giant axons labelled with pyrene showed decreased Na+ and K+ conductances. The low-frequency membrane capacity and the gating charge transfer were slightly reduced. It may be inferred that pyrene is incorporated in some hydrophobic membrane domains close to the ionic channels.

摘要

相似文献

1
Electrophysiological modifications induced by the fluorescent probe, pyrene, on Myxicola giant axons.
Biochim Biophys Acta. 1980 Apr 24;597(3):622-5. doi: 10.1016/0005-2736(80)90233-3.
2
Insensitivity of activation delays in potassium and sodium channels to heavy water in Myxicola giant axons.黏液虫巨大轴突中钾离子和钠离子通道激活延迟对重水不敏感。
J Physiol. 1983 Apr;337:173-82. doi: 10.1113/jphysiol.1983.sp014618.
3
Dendrotoxin blocks potassium channels and slows sodium inactivation in Myxicola giant axons.树眼镜蛇毒素可阻断钾通道,并减缓黏液虫巨型轴突中的钠失活。
J Pharmacol Exp Ther. 1987 Jun;241(3):793-6.
4
Inhibition of potassium conductance with external tetraethylammonium ion in Myxicola giant axons.用外部四乙铵离子抑制黏液虫巨大轴突中的钾离子电导。
Biophys J. 1980 Dec;32(3):1037-42. doi: 10.1016/S0006-3495(80)85034-X.
5
Sensitivity of the sodium and potassium channels of Myxicola giant axons to changes in external pH.黏液虫巨型轴突的钠通道和钾通道对细胞外pH变化的敏感性。
J Gen Physiol. 1976 Feb;67(2):185-95. doi: 10.1085/jgp.67.2.185.
6
The interactions of calcium with mpyxicola giant axons and a description in terms of a simple surface charge model.钙与米氏巨轴突的相互作用以及基于简单表面电荷模型的描述。
J Physiol. 1975 Jul;248(3):613-24. doi: 10.1113/jphysiol.1975.sp010991.
7
Quinidine interactions with Myxicola giant axons.奎尼丁与巨型海蚯蚓轴突的相互作用。
Mol Pharmacol. 1981 Jul;20(1):98-106.
8
Activation-inactivation coupling in Myxicola giant axons injected with tetraethylammonium.注射四乙铵的Myxicola巨轴突中的激活-失活偶联
Biophys J. 1976 Sep;16(9):985-9. doi: 10.1016/S0006-3495(76)85749-9.
9
Significant potassium ion accumulation at the external surface of Myxicola giant axons.在巨型黏液虫轴突外表面有大量钾离子积聚。
Biochim Biophys Acta. 1985 Mar 14;813(2):213-20. doi: 10.1016/0005-2736(85)90236-6.
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Magnitude and location of surface charges on Myxicola giant axons.黏液虫巨型轴突表面电荷的大小和位置。
J Gen Physiol. 1975 Jul;66(1):47-65. doi: 10.1085/jgp.66.1.47.

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