Evidence map›Paper›PMID 19703462›Full record

ReviewJournal of molecular and cellular cardiology2010

Cardiac strong inward rectifier potassium channels.

Justus M B Anumonwo, Anatoli N Lopatin

Open access · bronzeAbstract readReview
In one paragraph

Review in Journal of molecular and cellular cardiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed
4.8field-weighted citation impact, top 4% 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

67 citing papers in PubMed, 158 citations in OpenAlex.

  1. Article
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  6. Chronic Propafenone Application Increases Functional KPharmaceuticals (Basel, Switzerland) · 2023
    Article
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  10. Tetramisole is a new IPharmacology research & perspectives · 2022
    Review
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  12. Article
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Review

7 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

Justus M B AnumonwoDepartment of Internal Medicine, University of Michigan, Ann Arbor, MI 48109-5622, USA.
Anatoli N Lopatin
University of Michigan–Ann Arbor · US

Funding

Inward Rectifier Potassium Channels and Cardiac ExcitabilityR01HL069052 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI LOPATIN, ANATOLI N · 2002 to 2010
$2.8M
Molecular Determinants of Function in Kir2.x channelsR01GM076608 · NIGMS · UPSTATE MEDICAL UNIVERSITY · PI ANUMONWO, JUSTUS M · 2007 to 2011
$1.5M
NHLBI NIH HHS HL069052NHLBI NIH HHS R01 HL069052NIGMS NIH HHS GM076608NIGMS NIH HHS R01 GM076608
6 · The paper itself

Abstract

Cardiac I(K1) and I(KACh) are the major potassium currents displaying classical strong inward rectification, a unique property that is critical for their roles in cardiac excitability. In the last 15 years, research on I(K1) and I(KACh) has been propelled by the cloning of the underlying inwardly rectifying potassium (Kir) channels, the discovery of the molecular mechanism of strong rectification and the linking of a number of disorders of cardiac excitability to defects in genes encoding Kir channels. Disease-causing mutations in Kir genes have been shown experimentally to affect one or more of the following channel properties: structure, assembly, trafficking, and regulation, with the ultimate effect of a gain- or a loss-of-function of the channel. It is now established that I(K1) and I(KACh) channels are heterotetramers of Kir2 and Kir3 subunits, respectively. Each homomeric Kir channel has distinct biophysical and regulatory properties, and individual Kir subunits often display different patterns of regional, cellular, and membrane distribution. These differences are thought to underlie important variations in the physiological properties of I(K1) and I(KACh). It has become increasingly clear that the contribution of I(K1) and I(KACh) channels to cardiac electrical activity goes beyond their long recognized role in the stabilization of resting membrane potential and shaping the late phase of action potential repolarization in individual myocytes but extends to being critical elements determining the overall electrical stability of the heart.

Indexed as

Action PotentialsAnimalsHeartHumansMembrane PotentialsModels, BiologicalMyocardiumPotassium Channels, Inwardly RectifyingPotassium Channels, Inwardly Rectifying

Identifiers

PMID19703462
PMCPMC2813336
OpenAlexW1967159537

What OpenQuestion holds

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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.