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Genome-wide study for circulating metabolites identifies 62 loci and reveals novel systemic effects of LPA

  • Johannes Kettunen*
  • , Ayse Demirkan
  • , Peter Würtz
  • , Harmen H.M. Draisma
  • , Toomas Haller
  • , Rajesh Rawal
  • , Anika Vaarhorst
  • , Antti J. Kangas
  • , Leo Pekka Lyytikäinen
  • , Matti Pirinen
  • , René Pool
  • , Antti Pekka Sarin
  • , Pasi Soininen
  • , Taru Tukiainen
  • , Qin Wang
  • , Mika Tiainen
  • , Tuulia Tynkkynen
  • , Najaf Amin
  • , Tanja Zeller
  • , Marian Beekman
  • Joris Deelen, Ko Willems Van Dijk, Tõnu Esko, Jouke Jan Hottenga, Elisabeth M. Van Leeuwen, Terho Lehtimäki, Evelin Mihailov, Richard J. Rose, Anton J.M. De Craen, Christian Gieger, Mika Kähönen, Markus Perola, Stefan Blankenberg, Markku J. Savolainen, Aswin Verhoeven, Jorma Viikari, Gonneke Willemsen, Dorret I. Boomsma, Cornelia M. Van Duijn, Johan Eriksson, Antti Jula, Marjo Riitta Järvelin, Jaakko Kaprio, Andres Metspalu, Olli Raitakari, Veikko Salomaa, P. Eline Slagboom, Melanie Waldenberger, Samuli Ripatti, Mika Ala-Korpela
*Corresponding author for this work
  • University of Oulu
  • National Institute for Health and Welfare
  • University of Eastern Finland
  • Leiden University
  • Erasmus University Rotterdam
  • Vrije Universiteit Amsterdam
  • University of Amsterdam
  • Neuroscience Campus Amsterdam
  • University of Tartu
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • Fimlab Laboratories
  • University of Helsinki
  • Massachusetts General Hospital
  • Broad Institute
  • Harvard University
  • German Centre for Cardiovascular Research
  • University of Hamburg
  • Indiana University Bloomington
  • Tampere University
  • University of Turku
  • Imperial College London
  • Wellcome Trust Sanger Institute
  • University of Bristol

Research output: Contribution to journalArticlepeer-review

Abstract

Genome-wide association studies have identified numerous loci linked with complex diseases, for which the molecular mechanisms remain largely unclear. Comprehensive molecular profiling of circulating metabolites captures highly heritable traits, which can help to uncover metabolic pathophysiology underlying established disease variants. We conduct an extended genome-wide association study of genetic influences on 123 circulating metabolic traits quantified by nuclear magnetic resonance metabolomics from up to 24,925 individuals and identify eight novel loci for amino acids, pyruvate and fatty acids. The LPA locus link with cardiovascular risk exemplifies how detailed metabolic profiling may inform underlying aetiology via extensive associations with very-low-density lipoprotein and triglyceride metabolism. Genetic fine mapping and Mendelian randomization uncover wide-spread causal effects of lipoprotein(a) on overall lipoprotein metabolism and we assess potential pleiotropic consequences of genetically elevated lipoprotein(a) on diverse morbidities via electronic health-care records. Our findings strengthen the argument for safe LPA-targeted intervention to reduce cardiovascular risk.

Original languageEnglish
Article number11122
JournalNature Communications
Volume7
DOIs
Publication statusPublished - 23 Mar 2016
Externally publishedYes

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