Cited by 118Atherosclerosis and Cardiovascular DiseasesCholesterol and Lipid MetabolismCerebrovascular and Carotid Artery Diseases

Regression of Atherosclerosis Is Characterized by Broad Changes in the Plaque Macrophage Transcriptome

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Feig, Jonathan E., Vengrenyuk, Yuliya, Reiser, Vladimir, Wu, Chaowei, Statnikov, Alexander, Aliferis, Constantin F., Garabedian, Michael J., Fisher, Edward A. +1 more·2012·PLoS ONE

Abstract

We have developed a mouse model of atherosclerotic plaque regression in which an atherosclerotic aortic arch from a hyperlipidemic donor is transplanted into a normolipidemic recipient, resulting in rapid elimination of cholesterol and monocyte-derived macrophage cells (CD68+) from transplanted vessel walls. To gain a comprehensive view of the differences in gene expression patterns in macrophages associated with regressing compared with progressing atherosclerotic plaque, we compared mRNA expression patterns in CD68+ macrophages extracted from plaque in aortic aches transplanted into normolipidemic or into hyperlipidemic recipients. In CD68+ cells from regressing plaque we observed that genes associated with the contractile apparatus responsible for cellular movement (e.g. actin and myosin) were up-regulated whereas genes related to cell adhesion (e.g. cadherins, vinculin) were down-regulated. In addition, CD68+ cells from regressing plaque were characterized by enhanced expression of genes associated with an anti-inflammatory M2 macrophage phenotype, including arginase I, CD163 and the C-lectin receptor. Our analysis suggests that in regressing plaque CD68+ cells preferentially express genes that reduce cellular adhesion, enhance cellular motility, and overall act to suppress inflammation.

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  • Lipid-lowering interventions in atherosclerotic mice appear to attenuate arterial-wall lipoprotein modification and promote a pro-resolving phenotype in lesional macrophages, both preceding plaque regression.

    “Indeed, lipid-lowering interventions in atherosclerotic mice seem both to attenuate lipoprotein modification in the arterial wall and to promote a pro-resolving phenotype in lesional macrophages, all of which precede plaque regression209.”

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Authors
Feig, J. E., Vengrenyuk, Y., Reiser, V., Wu, C., Statnikov, A., Aliferis, C. F., Garabedian, M. J., Fisher, E. A., & Puig, O.
Affiliations
New York University (US)
Corresponding author
Fisher, Edward A.
Venue
PLoS ONE
Published
2012-06-27
Volume
7
Issue
6
Pages
e39790
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2167104273
Cited by
118
References
38
Citations by year
2026: 2 · 2025: 3 · 2024: 7 · 2023: 3 · 2022: 7 · 2021: 9 · 2020: 10 · 2019: 13 · 2018: 14 · 2017: 6 · 2016: 4 · 2015: 14 · 2014: 16 · 2013: 8 · 2012: 2
FWCI
5.57
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • National Institutes of Health
  • National Institute on Aging (AG-029748, F30AG029748)
  • National Heart, Lung, and Blood Institute (R01HL084312, HL-084312, T32HL098129)
  • U.S. National Library of Medicine (R56LM007948)
  • National Center for Research Resources (UL1RR029893)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cerebrovascular and Carotid Artery Diseases
Keywords
atherosclerosis regression, atherosclerotic plaque, macrophages, macrophage transcriptome, CD68+ macrophages, M2 macrophage phenotype, anti-inflammatory macrophages, cell motility, cell adhesion, arginase-1, CD163, hyperlipidemia, plaque regression
MeSH terms
CD68 Molecule, Animals, Apolipoproteins E, Macrophages, Mice, Inbred C57BL, Antigens, Differentiation, Myelomonocytic, Antigens, CD, Mice, Knockout, Atherosclerosis, Mice, Transcriptome, Real-Time Polymerase Chain Reaction

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