Novel associations for coronary artery disease derived from genome wide association studies are not associated with increased carotid intima-media thickness, suggesting they do not act via early atherosclerosis or vessel remodeling

Lucia Conde, Steve Bevan, Matthias Sitzer, Norman Klopp, Thomas Illig, Joachim Thiery, Joachim Seissler, Jens Baumert, Olli Raitakari, Mika Kähönen, Leo Pekka Lyytikäinen, Reijo Laaksonen, Jorma Viikari, Terho Lehtimäki, Wolfgang Koernig, Eran Halperin, Hugh S. Markus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Background: Recent genome-wide association studies (GWAS) have identified associations with myocardial infarction and coronary artery disease (CAD), but the mechanisms underlying these associations remain largely unclear. Carotid intima-media thickness (IMT) is a measure of early arterial remodeling and arteriosclerosis. Therefore, if CAD associated SNPs are also associated with carotid IMT; it suggests that they are acting via the early stages of the atherosclerotic process. Methods: In three large community based independent populations (CAPS, KORA and Young Finns) of European ancestry in which common carotid IMT had been measured (total 4961 individuals), we determined whether SNPs that have been associated with CAD in GWAS studies are also associated with carotid IMT. Associations with plaque were not examined. Results: We identified 11 SNPs and one haplotype previously associated with CAD. None of these were associated with common carotid IMT. Conclusions: We found no evidence that SNPs associated with CAD on GWAS are also associated with carotid IMT. This suggests these genetic associations are not acting via early vessel remodeling or early arteriosclerosis.

Original languageEnglish
Pages (from-to)684-689
Number of pages6
JournalAtherosclerosis
Volume219
Issue number2
DOIs
StatePublished - Dec 2011

Funding

FundersFunder number
Turku University Central Hospital Medical Fund
Finnish Foundation for Cardiovascular Research and Tampere Tuberculosis Foundation
Turun Yliopisto
Münchner Zentrum für Gesundheitswissenschaften, Ludwig-Maximilians-Universität München
Liaoning Medical University
Stiftung Deutsche Schlaganfall-Hilfe
Suomen Kulttuurirahasto
Universität Ulm
Kela
Bundesministerium für Bildung und Forschung
German Stroke Foundation
Juho Vainion Säätiö
Emil Aaltosen Säätiö
European Commission
Deutsches Forschungszentrum für Gesundheit und Umwelt, Helmholtz Zentrum München
Yrjö Jahnssonin Säätiö
Academy of Finland126925, 121584, 117941, 117797
Seventh Framework Programme201668
Tays9M048
German National Genome Research Network01GS0834

    Keywords

    • Atherosclerosis
    • Coronary artery disease
    • Genetics
    • Genome wide association
    • Intima-media thickness
    • Myocardial infarction

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