Cited by 94Genetic Associations and EpidemiologyGenomics and Chromatin DynamicsAtherosclerosis and Cardiovascular Diseases

Genetic Regulatory Mechanisms of Smooth Muscle Cells Map to Coronary Artery Disease Risk Loci

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Liu, Boxiang, Pjanic, Milos, Wang, Ting, Nguyen, Trieu, Gloudemans, Michael, Rao, Abhiram, Castano, Victor G., Nurnberg, Sylvia +6 more·2018·The American Journal of Human Genetics

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Abstract

Coronary artery disease (CAD) is the leading cause of death globally. Genome-wide association studies (GWASs) have identified more than 95 independent loci that influence CAD risk, most of which reside in non-coding regions of the genome. To interpret these loci, we generated transcriptome and whole-genome datasets using human coronary artery smooth muscle cells (HCASMCs) from 52 unrelated donors, as well as epigenomic datasets using ATAC-seq on a subset of 8 donors. Through systematic comparison with publicly available datasets from GTEx and ENCODE projects, we identified transcriptomic, epigenetic, and genetic regulatory mechanisms specific to HCASMCs. We assessed the relevance of HCASMCs to CAD risk using transcriptomic and epigenomic level analyses. By jointly modeling eQTL and GWAS datasets, we identified five genes (SIPA1, TCF21, SMAD3, FES, and PDGFRA) that may modulate CAD risk through HCASMCs, all of which have relevant functional roles in vascular remodeling. Comparison with GTEx data suggests that SIPA1 and PDGFRA influence CAD risk predominantly through HCASMCs, while other annotated genes may have multiple cell and tissue targets. Together, these results provide tissue-specific and mechanistic insights into the regulation of a critical vascular cell type associated with CAD in human populations.

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Crossref · 10.1016/j.ajhg.2018.08.001

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  • Given the key role of VSMCs in atherosclerosis, a number of loci have been predicted to modulate disease risk through mechanisms specific to VSMCs.

    “Unsurprisingly, given the key role of VSMCs in atherosclerosis, a number of loci have been predicted to modulate disease risk through mechanisms specific to VSMCs 200 .”

    From Vascular smooth muscle cells in atherosclerosis (2019) · cites this paper as [200]

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Authors
Liu, B., Pjanic, M., Wang, T., Nguyen, T., Gloudemans, M., Rao, A., Castano, V. G., Nurnberg, S., Rader, D. J., Elwyn, S., Ingelsson, E., Montgomery, S. B., Miller, C. L., & Quertermous, T.
Affiliations
  • Stanford Medicine (US)
  • University of Pennsylvania (US)
  • University of Virginia (US)
Corresponding author
Quertermous, Thomas
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2018-09
Volume
103
Issue
3
Pages
377-388
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2951755171
Cited by
94
References
83
Citations by year
2026: 7 · 2025: 7 · 2024: 9 · 2023: 17 · 2022: 15 · 2021: 11 · 2020: 11 · 2019: 13 · 2018: 4
FWCI
5.98
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (R00HL125912, R01DK107437, R01HL109512, R01HL134817, R01HL139478, R33HL120757)
  • National Heart, Lung, and Blood Institute (U01HG009431)
  • National Human Genome Research Institute (ENCODE4, R01HG008150, R01MH101814)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
Keywords
coronary artery disease, coronary artery smooth muscle cells, expression quantitative trait loci, epigenetic regulation, non-coding variants, SIPA1, TCF21, Smad3, FeS, PDGFRA, vascular remodeling, cell type specificity, tissue-specific gene regulation
MeSH terms
Cell Line, Coronary Artery Disease, Coronary Vessels, Gene Expression Regulation, Humans, Risk, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genomics, Myocytes, Smooth Muscle, Quantitative Trait Loci, Genome-Wide Association Study

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