Cited by 365Atherosclerosis and Cardiovascular DiseasesCholesterol and Lipid MetabolismCerebrovascular and Carotid Artery Diseases

The neuroimmune guidance cue netrin-1 promotes atherosclerosis by inhibiting the emigration of macrophages from plaques

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van Gils, Janine M, Derby, Merran C, Fernandes, Luciana R, Ramkhelawon, Bhama, Ray, Tathagat D, Rayner, Katey J, Parathath, Sajesh, Distel, Emilie +9 more·2012·Nature Immunology

Abstract

Atherosclerotic plaque formation is fueled by the persistence of lipid-laden macrophages in the artery wall. The mechanisms by which these cells become trapped, thereby establishing chronic inflammation, remain unknown. Here we found that netrin-1, a neuroimmune guidance cue, was secreted by macrophages in human and mouse atheroma, where it inactivated the migration of macrophages toward chemokines linked to their egress from plaques. Acting via its receptor, UNC5b, netrin-1 inhibited the migration of macrophages directed by the chemokines CCL2 and CCL19, activation of the actin-remodeling GTPase Rac1 and actin polymerization. Targeted deletion of netrin-1 in macrophages resulted in much less atherosclerosis in mice deficient in the receptor for low-density lipoprotein and promoted the emigration of macrophages from plaques. Thus, netrin-1 promoted atherosclerosis by retaining macrophages in the artery wall. Our results establish a causative role for negative regulators of leukocyte migration in chronic inflammation.

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  • Cholesterol can leave atherosclerotic plaque by three routes: efflux to HDL for blood return, emigration of foam cells carrying cholesterol, and efferocytosis of old foam cells by efflux-competent macrophages that may then leave the lesion.

    “Three mechanisms are available for cholesterol removal from the atherosclerotic plaque (FIG. 3).”

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Authors
van Gils, J. M., Derby, M. C., Fernandes, L. R., Ramkhelawon, B., Ray, T. D., Rayner, K. J., Parathath, S., Distel, E., Feig, J. L., Alvarez-Leite, J. I., Rayner, A. J., McDonald, T. O., O'Brien, K. D., Stuart, L. M., Fisher, E. A., Lacy-Hulbert, A., & Moore, K. J.
Affiliations
  • Harvard University (US)
  • Universidade Federal de Minas Gerais (BR)
  • New York University (US)
  • University of Washington (US)
Corresponding author
Moore, Kathryn J
Venue
Nature Immunology
Published
2012-01-08
Volume
13
Issue
2
Pages
136-143
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W2044161694
Cited by
365
References
45
Citations by year
2026: 11 · 2025: 19 · 2024: 30 · 2023: 13 · 2022: 29 · 2021: 28 · 2020: 29 · 2019: 23 · 2018: 21 · 2017: 23 · 2016: 32 · 2015: 30 · 2014: 27 · 2013: 30 · 2012: 17
FWCI
14.48
Type
journal article
Language
en
Open access
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (acceptedVersion, other-oa)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Leiden Repository (Leiden University) (submittedVersion)
Funders
  • American Heart Association
  • Heart and Stroke Foundation of Canada
  • Massachusetts General Hospital
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico
  • National Institutes of Health
  • Genentech
  • National Heart, Lung, and Blood Institute (R01HL084312, P01HL092969, RC1HL100815)
  • National Institute of Allergy and Infectious Diseases (R01AI079198, U01AI073871)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK043351)
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
netrin-1, atherosclerosis, atherosclerotic plaque, MCP-1, CCL19, Rac1, actin polymerization, chronic inflammation, lipid-laden macrophages, LDL receptor
MeSH terms
Netrin Receptors, Netrin-1, Actins, Animals, Cell Movement, Cells, Cultured, Chimera, Humans, Macrophages, Nerve Growth Factors, Neuropeptides, Receptors, Cell Surface, Gene Deletion, Chemokine CCL2, rac GTP-Binding Proteins, rac1 GTP-Binding Protein, Tumor Suppressor Proteins, Atherosclerosis, Mice, Chemokine CCL19, Polymerization, Plaque, Atherosclerotic

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