Evidence map›Paper›PMID 27572487›Full record

ArticleCirculation research2016

Microdomain-Specific Modulation of L-Type Calcium Channels Leads to Triggered Ventricular Arrhythmia in Heart Failure.

Jose L Sanchez-Alonso, Anamika Bhargava, Thomas O'Hara, Alexey V Glukhov, Sophie Schobesberger, Navneet Bhogal, Markus B Sikkel, Catherine Mansfield, Yuri E Korchev, Alexander R Lyon and 4 more

Open access · greenAbstract read
In one paragraph

Article in Circulation research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
74citing papers in PubMed, 1 pooled it
9.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

74 citing papers in PubMed, 1 synthesis or guideline pooled it, 115 citations in OpenAlex.

  1. Pooled it
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  5. Downregulation of L-type CaHeart rhythm · 2026
    Article
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  8. Cardiac Cell Remodeling in Obesity and Diabetes.Handbook of experimental pharmacology · 2026
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14 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

14 authors at 5 institutions in 3 countries.

Jose L Sanchez-AlonsoFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Anamika BhargavaFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Thomas O'HaraFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Alexey V GlukhovFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Sophie SchobesbergerFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Navneet BhogalFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Markus B SikkelFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Catherine MansfieldFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Yuri E KorchevFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Alexander R LyonFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Prakash P PunjabiFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Viacheslav O NikolaevFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Natalia A TrayanovaFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.).
Julia GorelikFrom the Department of Cardiovascular Sciences, Imperial Centre for Translational and Experimental Medicine, National Heart and Lung Institute (J.L.S.-A., A.B., A.V.G., S.S., N.B., M.B.S., C.M., A.R.L., P.P.P., J.G.), Department of Medicine (Y.E.K.), and Department of Cardiothoracic Surgery, Hammersmith Hospital, National Heart and Lung Institute (P.P.P.), Imperial College London, United Kingdom; Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (T.O., N.A.T.); NIHR Cardiovascular Biomedical Research Unit, Royal Brompton Hospital, London, United Kingdom (A.R.L.); Institute of Experimental Cardiovascular Research, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (S.S., V.O.N.); and Department of Biotechnology, Indian Institute of Technology Hyderabad, Kandi, Telangana, India (A.B.). j.gorelik@imperial.ac.uk.
University Medical Center Hamburg-Eppendorf · DEUniversität Hamburg · DEJohns Hopkins University · USRoyal Brompton Hospital · GBNIHR Royal Brompton Cardiovascular Biomedical Research Unit · GB

Funding

Exploration of Arrhythmogenic Triggers and Substrates in Heart FailureR01HL126802 · NHLBI · JOHNS HOPKINS UNIVERSITY · PI EFIMOV, IGOR R, GORELIK, JULIA · 2016 to 2019
$2.8M
British Heart Foundation RG/12/18/30088Medical Research Council MR/L006855/1NHLBI NIH HHS R01 HL126802
6 · The paper itself

Abstract

rationaleDisruption in subcellular targeting of Ca(2+) signaling complexes secondary to changes in cardiac myocyte structure may contribute to the pathophysiology of a variety of cardiac diseases, including heart failure (HF) and certain arrhythmias.

objectiveTo explore microdomain-targeted remodeling of ventricular L-type Ca(2+) channels (LTCCs) in HF. METHODS AND

resultsSuper-resolution scanning patch-clamp, confocal and fluorescence microscopy were used to explore the distribution of single LTCCs in different membrane microdomains of nonfailing and failing human and rat ventricular myocytes. Disruption of membrane structure in both species led to the redistribution of functional LTCCs from their canonical location in transversal tubules (T-tubules) to the non-native crest of the sarcolemma, where their open probability was dramatically increased (0.034±0.011 versus 0.154±0.027, P<0.001). High open probability was linked to enhance calcium-calmodulin kinase II-mediated phosphorylation in non-native microdomains and resulted in an elevated ICa,L window current, which contributed to the development of early afterdepolarizations. A novel model of LTCC function in HF was developed; after its validation with experimental data, the model was used to ascertain how HF-induced T-tubule loss led to altered LTCC function and early afterdepolarizations. The HF myocyte model was then implemented in a 3-dimensional left ventricle model, demonstrating that such early afterdepolarizations can propagate and initiate reentrant arrhythmias.

conclusionsMicrodomain-targeted remodeling of LTCC properties is an important event in pathways that may contribute to ventricular arrhythmogenesis in the settings of HF-associated remodeling. This extends beyond the classical concept of electric remodeling in HF and adds a new dimension to cardiovascular disease.

Indexed as

AdultAgedAnimalsArrhythmias, CardiacCalcium Channels, L-TypeCells, CulturedFemaleHeart FailureHumansMaleMembrane MicrodomainsMiddle AgedMyocytes, CardiacRatsRats, Sprague-DawleyCalcium Channels, L-Typeelectrophysiologyheart failureL-type calcium channelmembrane microdomainsmyocardial infarction

Identifiers

PMID27572487
PMCPMC5045818
OpenAlexW2510800797

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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.