Cited by 199Ion Transport and Channel RegulationATP Synthase and ATPases ResearchElectromagnetic Fields and Biological Effects

Activation of Na+ and K+ pumping modes of (Na, K)-ATPase by an oscillating electric field

Open access
Liu, D S, Astumian, R D, Tsong, T Y·1990·Journal of Biological Chemistry

Abstract

Serpersu and Tsong (Sepersu, E. H., and Tsong, T. Y. (1983) J. Membr. Biol. 74, 191-201; (1984) J. Biol. Chem. 259, 7155-7162) reported activation of a K+ pumping mode of (Na,K)-ATPase by an oscillating electric field (20 V/cm, 1.0 kHz). Their attempts to activate Na+ pumping at the same frequency were unsuccessful. We report here activation of a Na+ pumping mode with an oscillating electric field of the same strength as used previously (20 V/cm) but at a much higher frequency (1.0 MHz). At 3.5 degrees C and the optimal amplitude and frequency, the field-induced, ouabain-sensitive (0.2 mM ouabain incubated for 30 min) Rb+ influx ranged between 10 and 20 amol/red blood cell/h, and the corresponding Na+ efflux ranged between 15 and 30 amol/red blood cell/h, varying with the source of the erythrocytes. No Rb+ efflux nor Na+ influx was stimulated by the applied field in the frequency range 1 Hz to 10 MHz. These results indicate that only those transport modes that require ATP splitting under the physiological condition were affected by the applied electric fields, although the field-stimulated Rb+ influx and Na+ efflux did not depend on the cellular ATP concentration in the range 5 to 800 microM. Computer simulation of a four-state enzyme electroconformationally coupled to an alternating electric field (Tsong, T. Y., and Astumian, R. D. (1986) Bioelectrochem. Bioenerg. 15, 457-476; Tsong, T. Y. (1990) Annu. Rev. Biophys. Biophys. Chem. 19, 83-106) reproduced the main features of the above results.

Integrity signals

Registry

Crossref · 10.1016/s0021-9258(19)39108-2

Cites

43 of 43 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

We couldn’t retrieve this paper’s full text, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Liu, D. S., Astumian, R. D., & Tsong, T. Y.
Affiliations
University of Minnesota (US)
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1990-05
Volume
265
Issue
13
Pages
7260-7267
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1608844245
Cited by
199
References
43
Citations by year
2026: 2 · 2024: 4 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 6 · 2019: 4 · 2018: 3 · 2017: 3 · 2016: 10 · 2015: 2 · 2012: 4
FWCI
5.84
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Electromagnetic Fields and Biological Effects
Keywords
Na+/K+-ATPase, oscillating electric field, Na+ efflux, erythrocytes, ouabain sensitivity, ATP hydrolysis, erythrocyte membrane
MeSH terms
Sodium-Potassium-Exchanging ATPase, Adenosine Triphosphate, Biological Transport, Active, Electric Stimulation, Erythrocytes, Humans, Kinetics, Mathematics, Models, Theoretical, Ouabain, Potassium, Rubidium, Sodium, Spectrometry, Fluorescence

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review