Search Results - "Rakowski, R. F."
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Found: Na+ and K+ Binding Sites of the Sodium Pump
Published in News in physiological sciences (01-08-2003)“…R. F. Rakowski 1 and S. Sagar 2 1 Department of Biological Sciences, Ohio University, Athens, Ohio 45701; and 2 Department of Physiology and Biophysics, Finch…”
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Three distinct and sequential steps in the release of sodium ions by the Na + /K + -ATPase
Published in Nature (London) (24-02-2000)“…The Na+/K+ pump, a P-type ion-motive ATPase, exports three sodium ions and then imports two potassium ions in each transport cycle. Ions on one side of the…”
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Extracellular Access to the Na,K Pump: Pathway Similar to Ion Channel
Published in Science (American Association for the Advancement of Science) (02-04-1993)“…In each normal Na,K pump cycle, first three sodium and then two potassium ions are transported; in both cases, the ions become temporarily occluded in pump…”
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Charge movement by the Na/K pump in Xenopus oocytes
Published in The Journal of general physiology (1993)“…Pre-steady-state transient currents (1986. Nakao, M., and D. C. Gadsby. Nature [Lond.]. 323:628-630) mediated by the Na/K pump were measured under conditions…”
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Access channel model for the voltage dependence of the forward-running Na+/K+ pump
Published in The Journal of general physiology (01-05-1994)“…The voltage dependence of steady state current produced by the forward mode of operation of the endogenous electrogenic Na+/K+ pump in Na(+)-loaded Xenopus…”
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Effect of extracellular pH on presteady-state and steady-state current mediated by the Na+/K+ pump
Published in The Journal of membrane biology (15-03-2004)“…A ouabain sensitive inward current occurs in Xenopus oocytes in Na+ and K(+)-free solutions. Several laboratories have investigated the properties of this…”
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A negative slope in the current-voltage relationship of the Na+/K+ pump in Xenopus oocytes produced by reduction of external [K+]
Published in The Journal of membrane biology (01-04-1991)“…To investigate the voltage dependence of the Na+/K+ pump, current-voltage relations were determined in prophase-arrested oocytes of Xenopus laevis. All…”
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Voltage dependence of the Na/K pump
Published in The Journal of membrane biology (15-01-1997)Get full text
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Stoichiometry and voltage dependence of the sodium pump in voltage-clamped, internally dialyzed squid giant axon
Published in The Journal of general physiology (01-05-1989)“…The stoichiometry and voltage dependence of the Na/K pump were studied in internally dialyzed, voltage-clamped squid giant axons by simultaneously measuring,…”
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Voltage dependence of the apparent affinity for external Na(+) of the backward-running sodium pump
Published in The Journal of general physiology (01-04-2001)“…The steady-state voltage and [Na(+)](o) dependence of the electrogenic sodium pump was investigated in voltage-clamped internally dialyzed giant axons of the…”
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11
Pre-steady-state transient currents mediated by the Na/K pump in internally perfused Xenopus oocytes
Published in Biophysical journal (01-03-1994)“…Pre-steady-state transient currents have been investigated in the vegetal pole of Xenopus oocytes using the open-oocyte vaseline-gap technique of Taglialatela,…”
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12
Properties of a sodium channel (Na(x)) activated by strong depolarization of Xenopus oocytes
Published in The Journal of membrane biology (01-02-2002)“…Short (<1 sec) duration depolarization of Xenopus laevis oocytes to voltages greater than +40 mV activates a sodium-selective channel (Na(x)) with sodium…”
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13
Sodium flux ratio in Na/K pump-channels opened by palytoxin
Published in The Journal of general physiology (01-07-2007)“…Palytoxin binds to Na(+)/K(+) pumps in the plasma membrane of animal cells and opens an electrodiffusive cation pathway through the pumps. We investigated…”
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Activation of the 5‐HT1c receptor expressed in Xenopus oocytes by the benzazepines SCH 23390 and SKF 38393
Published in British journal of pharmacology (01-12-1991)“…1 A cloned 5‐HT1C receptor expressed in Xenopus laevis oocytes was used to characterize the action of four dopamine D1‐selective benzazepines at the 5‐HT1C…”
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Voltage dependence of Na/K pump current in Xenopus oocytes
Published in The Journal of membrane biology (01-12-1988)“…Stage V and VI (Dumont, J.N., 1972, J. Morphol. 136:153-180) oocytes of Xenopus laevis were treated with collagenase to remove follicular cells and were placed…”
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Current generated by backward-running electrogenic Na pump in squid giant axons
Published in Nature (London) (31-05-1984)“…The sodium pump of animal cells is electrogenic, that is, it normally exports more sodium ions than it imports potassium ions. In the squid giant axon, the…”
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Effects of glycerol treatment and maintained depolarization on charge movement in skeletal muscle
Published in The Journal of physiology (01-01-1976)“…1. Voltage-clamp experiments were carried out using the techniques described in the preceding paper. 2. In one series of experiments an attempt was made to…”
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Exploration of Na+,K+-ATPase ion permeation pathways via molecular dynamic simulation and electrostatic analysis
Published in Journal of computational electronics (01-03-2008)“…Biologically-inspired nanodevices can serve as “natural” alternatives to conventional semiconductor devices in many applications from information storage to…”
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Simultaneous measurement of changes in current and tracer flux in voltage-clamped squid giant axon
Published in Biophysical journal (01-04-1989)“…A method is described for the simultaneous measurement of changes in membrane current and unidirectional radiotracer flux in internally dialyzed…”
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Illuminating approaches to cellular physiology
Published in Trends in neurosciences (Regular ed.) (01-06-1995)Get full text
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