Cited by 196Bioinformatics and Genomic NetworksGenetic Associations and EpidemiologyAtherosclerosis and Cardiovascular Diseases

Integrative Genomics Reveals Novel Molecular Pathways and Gene Networks for Coronary Artery Disease

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Mäkinen, Ville-Petteri, Civelek, Mete, Meng, Qingying, Zhang, Bin, Zhu, Jun, Levian, Candace, Huan, Tianxiao, Segrè, Ayellet V. +24 more·2014·PLoS Genetics

Abstract

The majority of the heritability of coronary artery disease (CAD) remains unexplained, despite recent successes of genome-wide association studies (GWAS) in identifying novel susceptibility loci. Integrating functional genomic data from a variety of sources with a large-scale meta-analysis of CAD GWAS may facilitate the identification of novel biological processes and genes involved in CAD, as well as clarify the causal relationships of established processes. Towards this end, we integrated 14 GWAS from the CARDIoGRAM Consortium and two additional GWAS from the Ottawa Heart Institute (25,491 cases and 66,819 controls) with 1) genetics of gene expression studies of CAD-relevant tissues in humans, 2) metabolic and signaling pathways from public databases, and 3) data-driven, tissue-specific gene networks from a multitude of human and mouse experiments. We not only detected CAD-associated gene networks of lipid metabolism, coagulation, immunity, and additional networks with no clear functional annotation, but also revealed key driver genes for each CAD network based on the topology of the gene regulatory networks. In particular, we found a gene network involved in antigen processing to be strongly associated with CAD. The key driver genes of this network included glyoxalase I (GLO1) and peptidylprolyl isomerase I (PPIL1), which we verified as regulatory by siRNA experiments in human aortic endothelial cells. Our results suggest genetic influences on a diverse set of both known and novel biological processes that contribute to CAD risk. The key driver genes for these networks highlight potential novel targets for further mechanistic studies and therapeutic interventions.

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Authors
Mäkinen, V.-P., Civelek, M., Meng, Q., Zhang, B., Zhu, J., Levian, C., Huan, T., Segrè, A. V., Ghosh, S., Vivar, J., Nikpay, M., Stewart, A. F. R., Nelson, C. P., Willenborg, C., Erdmann, J., Blakenberg, S., O'Donnell, C. J., März, W., Laaksonen, R., Epstein, S. E., Kathiresan, S., Shah, S. H., Hazen, S. L., Reilly, M. P., the Coronary ARtery DIsease Genome-Wide Replication And Meta-Analysis (CARDIoGRAM) Consortium, Lusis, A. J., Samani, N. J., Schunkert, H., Quertermous, T., McPherson, R., Yang, X., & Assimes, T. L.
Affiliations
  • University of California, Los Angeles (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Framingham Heart Study (US)
  • Broad Institute (US)
  • North Carolina Central University (US)
  • Ottawa Heart Institute (CA)
  • University of Leicester (GB)
  • Institute for Integrative and Experimental Genomics (DE)
  • Universität Hamburg (DE)
  • Heidelberg University (DE)
  • Tampere University Hospital (FI)
  • MedStar Washington Hospital Center (US)
  • Harvard University (US)
  • Duke Medical Center (US)
  • Cleveland Clinic (US)
  • University of Pennsylvania (US)
  • German Centre for Cardiovascular Research (DE)
  • Stanford Medicine (US)
Corresponding author
  • Yang, Xia
  • Assimes, Themistocles L.
Venue
PLoS Genetics
Published
2014-07-17
Volume
10
Issue
7
Pages
e1004502
ISSN
  • 1553-7390 (ISSN-L)
  • 1553-7404
OpenAlex
W2139294174
Cited by
196
References
70
Citations by year
2026: 5 · 2025: 3 · 2024: 4 · 2023: 13 · 2022: 16 · 2021: 14 · 2020: 17 · 2019: 26 · 2018: 20 · 2017: 20 · 2016: 30 · 2015: 20 · 2014: 7
FWCI
10.53
Type
journal article
Language
en
Open access
Locations
  • PLoS Genetics (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • National University of Singapore (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Leicester Research Archive (University of Leicester) (submittedVersion, other-oa)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Funders
  • American Heart Association
  • Heart and Stroke Foundation of Canada (T-7268)
  • National Institute for Health and Care Research (NF-SI-0611-10170)
  • Suomen Kulttuurirahasto
  • National Institutes of Health (5r21mh097156-02)
  • Canadian Institutes of Health Research (MOP2390941)
  • National Institute on Aging (R01AG046170, U01AG046170)
  • National Heart, Lung, and Blood Institute (T32HL069766)
  • National Institute of Mental Health (R21MH097156-01A1, R21 MH097156)
  • National Cancer Institute (R01CA163772)
  • National Institute of Allergy and Infectious Diseases (U01AI111598)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R21DK088319)
  • National Institute on Minority Health and Health Disparities (P20MD000175)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
Keywords
coronary artery disease, gene regulatory networks, lipid metabolism, coagulation, immunity, antigen processing, glyoxalase I, aortic endothelial cells, driver genes, genetic susceptibility loci, integrative genomics
MeSH terms
Animals, Coronary Artery Disease, Gene Expression Regulation, Humans, Signal Transduction, Genetic Predisposition to Disease, Genomics, Mice, Gene Regulatory Networks, Genome-Wide Association Study

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