Evidence map›Paper›PMID 15817632›Full record

ArticleThe Journal of physiology2005

The nitric oxide donor sodium nitroprusside stimulates the Na+-K+ pump in isolated rabbit cardiac myocytes.

Maged William, Jimmy Vien, Elisha Hamilton, Alvaro Garcia, Henning Bundgaard, Ronald J Clarke, Helge H Rasmussen

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.6field-weighted citation impact, top 17% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 50 citations in OpenAlex.

  1. Trial
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Regulation of the cardiac sodium pump.Cellular and molecular life sciences : CMLS · 2013
    Review
  12. Article
  13. Article
  14. Article
  15. Phospholemman: a novel cardiac stress protein.Clinical and translational science · 2010
    Review
  16. Article
  17. Inhibition of suicidal erythrocyte death by nitric oxide.Pflugers Archiv : European journal of physiology · 2008
    Article
  18. Article
  19. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Maged WilliamDepartment of Cardiology, Royal North Shore Hospital, St Leonards, NSW 2065, Australia.
Jimmy Vien
Elisha Hamilton
Alvaro Garcia
Henning Bundgaard
Ronald J Clarke
Helge H Rasmussen
University of Sydney · AURoyal North Shore Hospital · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nitric oxide (NO) affects the membrane Na(+)-K(+) pump in a tissue-dependent manner. Stimulation of intrinsic pump activity, stimulation secondary to NO-induced Na(+) influx into cells or inhibition has been reported. We used the whole-cell patch clamp technique to measure electrogenic Na(+)-K(+) pump current (I(p)) in rabbit ventricular myocytes. Myocytes were voltage clamped with wide-tipped patch pipettes to achieve optimal perfusion of the intracellular compartment, and I(p) was identified as the shift in holding current induced by 100 microm ouabain. The NO donor sodium nitroprusside (SNP) in concentrations of 1, 10, 50 or 100 microm induced a significant increase in I(p) when the intracellular compartment was perfused with pipette solutions containing 10 mm Na(+), a concentration near physiological levels. SNP had no effect when the pump was near-maximally activated by 80 mm Na(+) in pipette solutions. Stimulation persisted in the absence of extracellular Na(+), indicating its independence of transmembrane Na(+) influx. The SNP-induced pump stimulation was abolished by inhibition of soluble guanylyl cyclase (sGC) with 1H-[1,2,4]oxadiazole[4,3-a]quinoxalin-1-one, by inhibition of protein kinase G (PKG) with KT-5823 or by inhibition of protein phosphatase with okadaic acid. Inclusion of the non-hydrolysable cGMP analogue 8pCPT-cGMP, activated recombinant PKG or the sGC-activator YC-1 in patch pipette filling solutions reproduced the SNP-induced pump stimulation. Pump stimulation induced by YC-1 was dependent on the Na(+) concentration but not the K(+) concentration in pipette filling solutions, suggesting an altered sensitivity of the Na(+)-K(+) pump to intracellular Na(+).

Indexed as

AnimalsBinding, CompetitiveEnzyme ActivatorsGuanylate CyclaseIndazolesIn Vitro TechniquesMaleMyocytes, CardiacNitric Oxide DonorsNitroprussidePotassiumRabbitsReceptors, Cytoplasmic and NuclearSecond Messenger SystemsSodiumSodium-Potassium-Exchanging ATPase3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazoleEnzyme ActivatorsGuanylate CyclaseIndazolesNitric Oxide DonorsNitroprussidePotassiumReceptors, Cytoplasmic and NuclearSodiumSodium-Potassium-Exchanging ATPaseSoluble Guanylyl Cyclase

Identifiers

PMID15817632
PMCPMC1464570
OpenAlexW2116489907

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.