Cited by 167Bioinformatics and Genomic NetworksGenetic Associations and EpidemiologyAtherosclerosis and Cardiovascular Diseases

A Systems Biology Framework Identifies Molecular Underpinnings of Coronary Heart Disease

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Huan, Tianxiao, Zhang, Bin, Wang, Zhi, Joehanes, Roby, Zhu, Jun, Johnson, Andrew D., Ying, Saixia, Munson, Peter J. +16 more·2013·Arteriosclerosis, Thrombosis, and Vascular Biology

Abstract

Objective—: Genetic approaches have identified numerous loci associated with coronary heart disease (CHD). The molecular mechanisms underlying CHD gene–disease associations, however, remain unclear. We hypothesized that genetic variants with both strong and subtle effects drive gene subnetworks that in turn affect CHD. Approach and Results—: We surveyed CHD-associated molecular interactions by constructing coexpression networks using whole blood gene expression profiles from 188 CHD cases and 188 age- and sex-matched controls. Twenty-four coexpression modules were identified, including 1 case-specific and 1 control-specific differential module (DM). The DMs were enriched for genes involved in B-cell activation, immune response, and ion transport. By integrating the DMs with gene expression–associated single-nucleotide polymorphisms and with results of genome-wide association studies of CHD and its risk factors, the control-specific DM was implicated as CHD causal based on its significant enrichment for both CHD and lipid expression–associated single-nucleotide polymorphisms. This causal DM was further integrated with tissue-specific Bayesian networks and protein–protein interaction networks to identify regulatory key driver genes. Multitissue key drivers ( SPIB and TNFRSF13C ) and tissue-specific key drivers (eg, EBF1 ) were identified. Conclusions—: Our network-driven integrative analysis not only identified CHD-related genes, but also defined network structure that sheds light on the molecular interactions of genes associated with CHD risk.

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Authors
Huan, T., Zhang, B., Wang, Z., Joehanes, R., Zhu, J., Johnson, A. D., Ying, S., Munson, P. J., Raghavachari, N., Wang, R., Liu, P., Courchesne, P., Hwang, S.-J., Assimes, T. L., McPherson, R., Samani, N. J., Schunkert, H., Coronary ARteryDIsease Genome wide Replication and Meta-analysis (CARDIoGRAM) Consortium, I. C. F. B. P. G. (., Meng, Q., Suver, C., O’Donnell, C. J., Derry, J., Yang, X., & Levy, D.
Affiliations
National Heart, Lung, and Blood Institute (US)
Venue
Arteriosclerosis, Thrombosis, and Vascular Biology
Published
2013-06
Volume
33
Issue
6
Pages
1427-1434
ISSN
  • 1079-5642 (ISSN-L)
  • 1524-4636
OpenAlex
W2169785917
Cited by
167
References
52
Citations by year
2026: 2 · 2025: 2 · 2024: 10 · 2023: 10 · 2022: 8 · 2021: 16 · 2020: 14 · 2019: 16 · 2018: 11 · 2017: 24 · 2016: 18 · 2015: 15 · 2014: 14 · 2013: 7
FWCI
8.06
Type
journal article
Language
en
Open access
Locations
  • Arteriosclerosis Thrombosis and Vascular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Funders
  • National Institute for Health and Care Research (NF-SI-0611-10170)
  • British Heart Foundation
  • National Institutes of Health (n01hc25195-41-0-1)
  • National Heart, Lung, and Blood Institute (N01‐HC25195, Z01HL006001, N01-HC-025195, ZIAHL006001)
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 co-expression network, differential modules, whole blood gene expression, single nucleotide polymorphisms, B cell activation, immune response, ion transport, Spi-B, TNFRSF13C, EBF1, protein-protein interaction network, Bayesian networks
MeSH terms
Aged, Bayes Theorem, Coronary Artery Disease, Female, Gene Expression Regulation, Humans, Male, Middle Aged, Reference Values, Genetic Variation, Incidence, Case-Control Studies, Age Distribution, Sex Distribution, Risk Assessment, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Systems Biology, Gene Regulatory Networks, Genome-Wide Association Study

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