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The genetics of blood pressure regulation and its target organs from association studies in 342,415 individuals

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  • CHARGE-EchoGen Consortium
  • CHARGE-HF Consortium
  • Wellcome Trust Case Control Consortium

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http://www.nature.com/doifinder/10.1038/ng.3667
Original languageEnglish
Pages (from-to)1171-1184
JournalNature Genetics
Volume48
Issue number10
Early online date12 Sep 2016
DOIs
Publication statusPublished - 12 Sep 2016

Abstract

To dissect the genetic architecture of blood pressure and assess effects on target organ damage, we analyzed 128,272 SNPs from targeted and genome-wide arrays in 201,529 individuals of European ancestry, and genotypes from an additional 140,886 individuals were used for validation. We identified 66 blood pressure–associated loci, of which 17 were new; 15 harbored multiple distinct association signals. The 66 index SNPs were enriched for cis-regulatory elements, particularly in vascular endothelial cells, consistent with a primary role in blood pressure control through modulation of vascular tone across multiple tissues. The 66 index SNPs combined in a risk score showed comparable effects in 64,421 individuals of non-European descent. The 66-SNP blood pressure risk score was significantly associated with target organ damage in multiple tissues but with minor effects in the kidney. Our findings expand current knowledge of blood pressure–related pathways and highlight tissues beyond the classical renal system in blood pressure regulation.

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