Cited by 216Atherosclerosis and Cardiovascular DiseasesChemokine receptors and signalingCholesterol and Lipid Metabolism

Regulation of the Migration and Survival of Monocyte Subsets by Chemokine Receptors and Its Relevance to Atherosclerosis

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Gautier, Emmanuel L., Jakubzick, Claudia, Randolph, Gwendalyn J.·2009·Arteriosclerosis, Thrombosis, and Vascular Biology

Abstract

Monocytes are central mediators in the advance of atherosclerotic plaque, making them a natural therapeutic target for reducing disease burden. Here, we highlight recent advances in our current understanding of monocyte heterogeneity and its relevance to regulation of monocyte accumulation and function within atherosclerotic plaques. Differences that distinguish monocyte subsets include differential expression of chemokine receptors, especially CCR2 and CX3CR1. Ablation of expression of these 2 receptors (or their ligands) in mice has an additive inhibition on monocyte recruitment to atherosclerotic plaques. Moreover, simultaneously interfering with 3 key pathways—CCR2, CX3CR1, and CCR5—essentially abolishes atherosclerosis in mice. Here, we discuss how these chemokine receptors act at multiple points on at least 1 monocyte subset, regulating their mobilization from bone marrow, survival, or recruitment to plaques. Finally, we discuss how this knowledge may be useful clinically, emphasizing that CX3CR1 may in particular be a viable target for therapeutic manipulation of monocyte-derived cell fate in cardiovascular disease.

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  • In atherosclerotic mice, intimal infiltrating macrophages derive from circulating pro-inflammatory classical Ly6Chigh monocytes.

    “In atherosclerotic mice, these infiltrating macrophages are derived from circulating pro-inflammatory, classical Ly6Chigh monocytes148.”
  • In humans, intimal macrophages derive from classical CD14+CD16- monocytes, which are the predominant blood monocytes and are preferentially recruited to inflammatory sites including atherosclerotic plaques.

    “In humans, the macrophages in the arterial intima derive from the classical CD14+CD16- monocytes, which predominate in the circulating blood and are preferentially recruited into inflammatory sites, including the atherosclerotic plaques148.”
  • Monocytes become macrophages with different phenotypes according to the combinations and ratios of growth factors, chemokines and cytokines present.

    “In the arterial intima, as in other tissues, monocytes differentiate into macrophages with different phenotypes depending on the presence of growth factors, chemokines and cytokines in various combinations and ratios148.”

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Authors
Gautier, E. L., Jakubzick, C., & Randolph, G. J.
Affiliations
Icahn School of Medicine at Mount Sinai (US)
Venue
Arteriosclerosis, Thrombosis, and Vascular Biology
Published
2009-10
Volume
29
Issue
10
Pages
1412-1418
ISSN
  • 1079-5642 (ISSN-L)
  • 1524-4636
OpenAlex
W2123811618
Cited by
216
References
91
Citations by year
2026: 4 · 2025: 3 · 2024: 2 · 2023: 11 · 2022: 7 · 2021: 6 · 2020: 10 · 2019: 8 · 2018: 8 · 2017: 17 · 2016: 13 · 2015: 15 · 2014: 18 · 2013: 23 · 2012: 26
FWCI
1.89
Type
journal article
Language
en
Open access
Locations
  • Arteriosclerosis Thrombosis and Vascular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
  • National Heart, Lung, and Blood Institute (R01HL084312, HL-084312)
  • National Institute of Allergy and Infectious Diseases (AI049653, AI061741, R01AI049653, R01AI061741, R37AI049653)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
Keywords
monocytes, atherosclerosis, chemokine receptors, CCR2, CX3CR1, CCR5, monocyte heterogeneity, monocyte recruitment, monocyte survival, monocyte mobilization, atherosclerotic plaque, therapeutic target
MeSH terms
CX3C Chemokine Receptor 1, Chemokine CXCL16, Animals, Cell Movement, Cell Survival, Humans, Monocytes, Receptors, Chemokine, Chemokines, CXC, Atherosclerosis, Receptors, Scavenger, Receptors, Oxidized LDL, Receptors, CCR2

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