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ESC Heart Fail. 2020 Sep 01; doi: 10.1002/ehf2.12934. Epub 2020 Sep 01.

A genetic association study of heart failure: more evidence for the role of BAG3 in idiopathic dilated cardiomyopathy.

ESC heart failure

Simon de Denus, Fannie Mottet, Sandra Korol, Yassamin Feroz Zada, Sylvie Provost, Ian Mongrain, Géraldine Asselin, Essaïd Oussaïd, David Busseuil, Guillaume Lettre, John Rioux, Normand Racine, Eileen O'Meara, Michel White, Jean Rouleau, Jean Claude Tardif, Marie-Pierre Dubé

Affiliations

  1. Montreal Heart Institute, 5000 Bélanger, Montreal, QC, H1T 1C8, Canada.
  2. Faculty of Pharmacy, Université de Montréal, Montreal, QC, Canada.
  3. Université de Montreal Beaulieu-Saucier Pharmacogenomics Center, Montreal, QC, Canada.
  4. Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.

PMID: 32869539 PMCID: PMC7754954 DOI: 10.1002/ehf2.12934

Abstract

AIMS: Few investigations have been conducted to identify genetic determinants of common, polygenetic forms of heart failure (HF), and only a limited number of these genetic associations have been validated by multiple groups.

METHODS AND RESULTS: We performed a case-control study to further investigate the potential impact of 14 previously reported candidate genes on the risk of HF and specific HF sub-types. We also performed an exploratory genome-wide study. We included 799 patients with HF and 1529 controls. After adjusting for age, sex, and genetic ancestry, we found that the C allele of rs2234962 in BAG3 was associated with a decreased risk of idiopathic dilated cardiomyopathy (odds ratio 0.42, 95% confidence interval 0.25-0.68, P = 0.0005), consistent with a previous report. No association for the other primary variants or exploratory genome-wide study was found.

CONCLUSIONS: Our findings provide independent replication for the association between a common coding variant (rs2234962) in BAG3 and the risk of idiopathic dilated cardiomyopathy.

© 2020 The Authors. ESC Heart Failure published by John Wiley & Sons Ltd on behalf of the European Society of Cardiology.

Keywords: B-cell lymphoma 2-associated anthanogene protein; Genetics; Heart failure

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