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Cited by 450

The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.

NR4A1 (Nur77) Deletion Polarizes Macrophages Toward an Inflammatory Phenotype and Increases Atherosclerosis

Open access
Hanna, Richard N., Shaked, Iftach, Hubbeling, Harper G., Punt, Jennifer A., Wu, Runpei, Herrley, Erica, Zaugg, Claudia, Pei, Hong, Geissmann, Frederic, Ley, Klaus, Hedrick, Catherine C.·2012·Circulation Research

Abstract

Rationale: NR4A1 (Nur77) is a nuclear receptor that is expressed in macrophages and within atherosclerotic lesions, yet its function in atherosclerosis is unknown. Objective: Nur77 regulates the development of monocytes, particularly patrolling Ly6C − monocytes that may be involved in resolution of inflammation. We sought to determine how absence of nuclear receptor subfamily 4, group A, member 1 (NR4A1) in hematopoietic cells affected atherosclerosis development. Methods and Results: Nur77 −/− chimeric mice on a Ldlr −/− background showed a 3-fold increase in atherosclerosis development when fed a Western diet for 20 weeks, despite having a drastic reduction in Ly6C − patrolling monocytes. In a second model, mice deficient in both Nur77 and ApoE (ApoE −/− Nur77 −/− ) also showed increased atherosclerosis after 11 weeks of Western diet. Atherosclerosis was associated with a significant change in macrophage polarization toward a proinflammatory phenotype, with high expression of tumor necrosis factor-α and nitric oxide and low expression of Arginase-I. Moreover, we found increased expression of toll-like receptor 4 mRNA and protein in Nur77 −/− macrophages as well as increased phosphorylation of the p65 subunit of NFκB. Inhibition of NFκB activity blocked excess activation of Nur77 −/− macrophages. Conclusions: We conclude that the absence of Nur77 in monocytes and macrophages results in enhanced toll-like receptor signaling and polarization of macrophages toward a proinflammatory M1 phenotype. Despite having fewer monocytes, Nur77 −/− mice developed significant atherosclerosis when fed a Western diet. These studies indicate that Nur77 is a novel target for modulating the inflammatory phenotype of monocytes and macrophages and may be important for regulation of atherogenesis.

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Crossref · 10.1161/circresaha.111.253377

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Metadata

Authors
Hanna, R. N., Shaked, I., Hubbeling, H. G., Punt, J. A., Wu, R., Herrley, E., Zaugg, C., Pei, H., Geissmann, F., Ley, K., & Hedrick, C. C.
Venue
Circulation Research
Published
2012-02-03
Volume
110
Issue
3
Pages
416-427
ISSN
  • 0009-7330 (ISSN-L)
  • 1524-4571
OpenAlex
W2171029424
Cited by
450
References
11
FWCI
9.08
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: NR4A1 (Nur77) Deletion Polarizes Macrophages Toward an Inflammatory Phenotype and Increases Atherosclerosis. https://app.cochat.ai/papers/10.1161/circresaha.111.253377
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Hanna, R. N., Shaked, I., Hubbeling, H. G., Punt, J. A., Wu, R., Herrley, E., Zaugg, C., Pei, H., Geissmann, F., Ley, K., & Hedrick, C. C. (2012). NR4A1 (Nur77) Deletion Polarizes Macrophages Toward an Inflammatory Phenotype and Increases Atherosclerosis. Circulation Research. https://doi.org/10.1161/circresaha.111.253377

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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