Electrochemical ion gradients and the Na/Ca exchange stoichiometry. Measurements of these gradients are thermodynamically consistent with a stoichiometric coefficient greater than or equal to 3.
作者信息
Axelsen P H, Bridge J H
出版信息
J Gen Physiol. 1985 Mar;85(3):471-5. doi: 10.1085/jgp.85.3.471.
Abstract
摘要
相似文献
1
Electrochemical ion gradients and the Na/Ca exchange stoichiometry. Measurements of these gradients are thermodynamically consistent with a stoichiometric coefficient greater than or equal to 3.电化学离子梯度与钠钙交换化学计量学。这些梯度的测量在热力学上与大于或等于3的化学计量系数一致。
J Gen Physiol. 1985 Mar;85(3):471-5. doi: 10.1085/jgp.85.3.471.
2
The effects of Na-Ca exchange on membrane currents in sheep cardiac Purkinje fibers.钠钙交换对绵羊心脏浦肯野纤维膜电流的影响。
Soc Gen Physiol Ser. 1984;38:373-80.
3
Membrane currents following activity in canine cardiac Purkinje fibers.犬心脏浦肯野纤维活动后的膜电流
Biophys J. 1981 Feb;33(2):281-8. doi: 10.1016/S0006-3495(81)84890-4.
4
Models of the Na-K pump in cardiac muscle predict the wrong intracellular Na+ activity.心肌中钠钾泵的模型预测出了错误的细胞内钠离子活性。
Proc R Soc Lond B Biol Sci. 1987 Aug 21;231(1264):371-82. doi: 10.1098/rspb.1987.0050.
5
Proceedings: The inactivation of Sr2+-inward current in cardiac Purkynĕ fibres.论文集：心脏浦肯野纤维中Sr2+内向电流的失活
Arch Int Physiol Biochim. 1975 Feb;83(1):150-2.
6
Membrane permeability during low potassium depolarization in sheep cardiac Purkinje fibers.绵羊心脏浦肯野纤维低钾去极化期间的膜通透性
Am J Physiol. 1979 Sep;237(3):C156-65. doi: 10.1152/ajpcell.1979.237.3.C156.
7
Direct measurement of changes in sodium pump current in canine cardiac Purkinje fibers.犬心脏浦肯野纤维钠泵电流变化的直接测量。
Proc Natl Acad Sci U S A. 1979 Apr;76(4):1783-7. doi: 10.1073/pnas.76.4.1783.
8
Relationship between ionic perturbations and electrophysiologic changes in a canine Purkinje fiber model of ischemia and reperfusion.犬浦肯野纤维缺血再灌注模型中离子紊乱与电生理变化的关系。
J Clin Invest. 1988 Jul;82(1):225-33. doi: 10.1172/JCI113575.
9
Saturation of the internal sodium site of the sodium pump can distort estimates of potassium affinity.钠泵内部钠位点的饱和会扭曲对钾亲和力的估计。
Biophys J. 1984 Dec;46(6):719-27. doi: 10.1016/S0006-3495(84)84070-9.
10
The intracellular sodium ion concentration of sheep heart Purkinje fibres and its relationship to external sodium [proceedings].
J Physiol. 1977 Mar;266(1):74P-75P.
引用本文的文献
1
Stoichiometry of Na+-Ca2+ exchange is 3:1 in guinea-pig ventricular myocytes.豚鼠心室肌细胞中钠钙交换的化学计量比为3:1。
J Physiol. 2002 Dec 1;545(2):453-61. doi: 10.1113/jphysiol.2002.025866.
2
Stoichiometry of the Cardiac Na+/Ca2+ exchanger NCX1.1 measured in transfected HEK cells.在转染的人胚肾（HEK）细胞中测量的心脏钠/钙交换蛋白NCX1.1的化学计量学。
Biophys J. 2002 Apr;82(4):1943-52. doi: 10.1016/S0006-3495(02)75543-4.
3
Stoichiometry of Na+-Ca2+ exchange in inside-out patches excised from guinea-pig ventricular myocytes.从豚鼠心室肌细胞切下的内向外膜片中Na⁺-Ca²⁺交换的化学计量学
J Physiol. 2000 Mar 1;523 Pt 2(Pt 2):339-51. doi: 10.1111/j.1469-7793.2000.t01-2-00339.x.
4
Effect of acetylstrophanthidin on twitches, microscopic tension fluctuations and cooling contractures in rabbit ventricle.乙酰毒毛旋花子苷对兔心室肌收缩、显微张力波动及冷却挛缩的影响。
J Physiol. 1988 Oct;404:53-69. doi: 10.1113/jphysiol.1988.sp017278.
5
A constraint on possible stoichiometries of myocardial sodium-calcium exchange.心肌钠钙交换可能的化学计量比的限制因素。
Basic Res Cardiol. 1988 May-Jun;83(3):314-26. doi: 10.1007/BF01907365.
6
Measurement of reversal potential of Na+-Ca2+ exchange current in single guinea-pig ventricular cells.豚鼠单个心室肌细胞中Na+-Ca2+交换电流反转电位的测量。
J Physiol. 1989 Mar;410:227-49. doi: 10.1113/jphysiol.1989.sp017530.
7
Effects of sodium-potassium pump inhibition and low sodium on membrane potential in cultured embryonic chick heart cells.钠钾泵抑制和低钠对培养的鸡胚心脏细胞膜电位的影响。
J Physiol. 1987 Jun;387:549-66. doi: 10.1113/jphysiol.1987.sp016588.
8
Sodium/calcium exchange and intracellular calcium buffering in ferret myocardium: an ion-sensitive micro-electrode study.雪貂心肌中的钠/钙交换与细胞内钙缓冲：一项离子敏感微电极研究。
J Physiol. 1986 Apr;373:163-79. doi: 10.1113/jphysiol.1986.sp016040.
9
Intracellular free magnesium in frog skeletal muscle studied with a new type of magnesium-selective microelectrode: interactions between magnesium and sodium in the regulation of [Mg]i.用新型镁选择性微电极研究青蛙骨骼肌细胞内游离镁：镁与钠在调节细胞内镁浓度中的相互作用
Pflugers Arch. 1990 May;416(3):238-46. doi: 10.1007/BF00392059.
10
Interaction of intracellular ion buffering with transmembrane-coupled ion transport.细胞内离子缓冲与跨膜偶联离子转运的相互作用。
J Gen Physiol. 1990 Mar;95(3):499-522. doi: 10.1085/jgp.95.3.499.
本文引用的文献
1
Charge movements during the Na+-Ca2+ exchange in heart sarcolemmal vesicles.心脏肌膜囊泡中钠钙交换过程中的电荷移动。
Proc Natl Acad Sci U S A. 1980 Nov;77(11):6354-8. doi: 10.1073/pnas.77.11.6354.
2
Uphill sodium transport driven by an inward calcium gradient in heart muscle.心肌中由内向钙梯度驱动的上坡钠转运。
Science. 1983 Jan 14;219(4581):178-80. doi: 10.1126/science.6849128.
3
The stoichiometry of the cardiac sodium-calcium exchange system.心脏钠钙交换系统的化学计量学。
J Biol Chem. 1984 Jun 25;259(12):7733-9.
4
Transmembrane Na+ and Ca2+ electrochemical gradients in cardiac muscle and their relationship to force development.心肌中的跨膜钠离子和钙离子电化学梯度及其与力量产生的关系。
J Gen Physiol. 1982 Sep;80(3):325-51. doi: 10.1085/jgp.80.3.325.
5
Changes in the intracellular sodium activity of sheep heart Purkinje fibres produced by calcium and other divalent cations.钙及其他二价阳离子对绵羊心脏浦肯野纤维细胞内钠活性的影响
J Physiol. 1978 Apr;277:437-53. doi: 10.1113/jphysiol.1978.sp012283.
6
A kinetic model for determining the consequences of electrogenic active transport in cardiac muscle.
J Theor Biol. 1979 Oct 7;80(3):405-24. doi: 10.1016/0022-5193(79)90101-2.
7
Stoichiometry of sodium-calcium exchange in cardiac sarcolemmal vesicles. Coupling to the sodium pump.心肌肌膜囊泡中钠钙交换的化学计量学。与钠泵的偶联。
J Biol Chem. 1979 Jul 25;254(14):6232-5.
8
The generation of electric currents in cardiac fibers by Na/Ca exchange.钠/钙交换在心肌纤维中产生电流。
Am J Physiol. 1979 Mar;236(3):C103-10. doi: 10.1152/ajpcell.1979.236.3.C103.
Zotero 插件