Evidence map›Paper›PMID 22912821›Full record

ArticlePloS one2012

Role of endothelin in the induction of cardiac hypertrophy in vitro.

Tepmanas Bupha-Intr, Kaylan M Haizlip, Paul M L Janssen

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.1field-weighted citation impact, top 19% 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

22 citing papers in PubMed, 55 citations in OpenAlex.

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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

3 authors at 1 institution in 1 country.

Tepmanas Bupha-IntrDepartment of Physiology and Cell Biology and D Davis Heart Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio, United States of America.
Kaylan M Haizlip
Paul M L Janssen
The Ohio State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Endothelin (ET-1) is a peptide hormone mediating a wide variety of biological processes and is associated with development of cardiac dysfunction. Generally, ET-1 is regarded as a molecular marker released only in correlation with the observation of a hypertrophic response or in conjunction with other hypertrophic stress. Although the cardiac hypertrophic effect of ET-1 is demonstrated, inotropic properties of cardiac muscle during chronic ET-1-induced hypertrophy remain largely unclear. Through the use of a novel in vitro multicellular culture system, changes in contractile force and kinetics of rabbit cardiac trabeculae in response to 1 nM ET-1 for 24 hours can be observed. Compared to the initial force at t = 0 hours, ET-1 treated muscles showed a ~2.5 fold increase in developed force after 24 hours without any effect on time to peak contraction or time to 90% relaxation. ET-1 increased muscle diameter by 12.5 ± 3.2% from the initial size, due to increased cell width compared to non-ET-1 treated muscles. Using specific signaling antagonists, inhibition of NCX, CaMKII, MAPKK, and IP3 could attenuate the effect of ET-1 on increased developed force. However, among these inhibitions only IP3 receptor blocker could not prevent the increase muscle size by ET-1. Interestingly, though calcineurin-NFAT inhibition could not suppress the effect of ET-1 on force development, it did prevent muscle hypertrophy. These findings suggest that ET-1 provokes both inotropic and hypertrophic activations on myocardium in which both activations share the same signaling pathway through MAPK and CaMKII in associated with NCX activity.

Indexed as

Analysis of VarianceAnimalsBenzenesulfonamidesBenzylaminesBoron CompoundsCalcineurinCalcium-Calmodulin-Dependent Protein Kinase Type 2CardiomegalyCyclosporineEndothelinsImmunoblottingIndolesIn Vitro TechniquesKineticsMaleimidesMitogen-Activated Protein Kinases2-(2-(4-(4-nitrobenzyloxy)phenyl)ethyl)isothiourea methanesulfonate2-aminoethoxydiphenyl borateBenzenesulfonamidesBenzylaminesbisindolylmaleimide IBoron CompoundsCalcineurinCalcium-Calmodulin-Dependent Protein Kinase Type 2CyclosporineEndothelinsIndolesKN 93MaleimidesMitogen-Activated Protein KinasesNFATC Transcription FactorsSulfonamidesThiourea

Identifiers

PMID22912821
PMCPMC3422284
OpenAlexW2065590560

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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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.