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PR Interval Associated Genes, Atrial Remodeling and Rhythm Outcome of Catheter Ablation of Atrial Fibrillation—A Gene-Based Analysis of GWAS Data

Overview of attention for article published in Frontiers in Genetics, December 2017
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Title
PR Interval Associated Genes, Atrial Remodeling and Rhythm Outcome of Catheter Ablation of Atrial Fibrillation—A Gene-Based Analysis of GWAS Data
Published in
Frontiers in Genetics, December 2017
DOI 10.3389/fgene.2017.00224
Pubmed ID
Authors

Daniela Husser, Petra Büttner, Dorian Stübner, Laura Ueberham, Pyotr G. Platonov, Borislav Dinov, Arash Arya, Gerhard Hindricks, Andreas Bollmann

Abstract

Background: PR interval prolongation has recently been shown to associate with advanced left atrial remodeling and atrial fibrillation (AF) recurrence after catheter ablation. While different genome-wide association studies (GWAS) have implicated 13 loci to associate with the PR interval as an AF endophenotype their subsequent associations with AF remodeling and response to catheter ablation are unknown. Here, we perform a gene-based analysis of GWAS data to test the hypothesis that PR interval candidate genes also associate with left atrial remodeling and arrhythmia recurrence following AF catheter ablation. Methods and Results: Samples from 660 patients with paroxysmal (n = 370) or persistent AF (n = 290) undergoing AF catheter ablation were genotyped for ~1,000,000 SNPs. Gene-based association was investigated using VEGAS (versatile gene-based association study). Among the 13 candidate genes, SLC8A1, MEIS1, ITGA9, SCN5A, and SOX5 associated with the PR interval. Of those, ITGA9 and SOX5 were significantly associated with left atrial low voltage areas and left atrial diameter and subsequently with AF recurrence after radiofrequency catheter ablation. Conclusion: This study suggests contributions of ITGA9 and SOX5 to AF remodeling expressed as PR interval prolongation, low voltage areas and left atrial dilatation and subsequently to response to catheter ablation. Future and larger studies are necessary to replicate and apply these findings with the aim of designing AF pathophysiology-based multi-locus risk scores.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 12 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 12 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 25%
Professor 2 17%
Student > Ph. D. Student 2 17%
Student > Master 1 8%
Student > Bachelor 1 8%
Other 0 0%
Unknown 3 25%
Readers by discipline Count As %
Medicine and Dentistry 3 25%
Biochemistry, Genetics and Molecular Biology 2 17%
Neuroscience 2 17%
Agricultural and Biological Sciences 2 17%
Unknown 3 25%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 January 2018.
All research outputs
#17,923,510
of 23,012,811 outputs
Outputs from Frontiers in Genetics
#6,161
of 12,073 outputs
Outputs of similar age
#308,536
of 440,404 outputs
Outputs of similar age from Frontiers in Genetics
#62
of 83 outputs
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