Cited by 14Cholesterol and Lipid MetabolismAtherosclerosis and Cardiovascular DiseasesLiver physiology and pathology

Loss of embryonically-derived Kupffer cells during hypercholesterolemia accelerates atherosclerosis development

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Fima, Rebecca, Dussaud, Sébastien, Benbida, Cheïma, Blanchet, Margault, Lanthiez, François, Poupel, Lucie, Brambilla, Claudia, Gélineau, Adélaïde +7 more·2024·Nature Communications

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Abstract

Hypercholesterolemia is a major risk factor for atherosclerosis and associated cardiovascular diseases. The liver plays a key role in the regulation of plasma cholesterol levels and hosts a large population of tissue-resident macrophages known as Kupffer cells (KCs). KCs are located in the hepatic sinusoids where they ensure key functions including blood immune surveillance. However, how KCs homeostasis is affected by the build-up of cholesterol-rich lipoproteins that occurs in the circulation during hypercholesterolemia remains unknown. Here, we show that embryo-derived KCs (EmKCs) accumulate large amounts of lipoprotein-derived cholesterol, in part through the scavenger receptor CD36, and massively expand early after the induction of hypercholesterolemia. After this rapid adaptive response, EmKCs exhibit mitochondrial oxidative stress and their numbers gradually diminish while monocyte-derived KCs (MoKCs) with reduced cholesterol-loading capacities seed the KC pool. Decreased proportion of EmKCs in the KC pool enhances liver cholesterol content and exacerbates hypercholesterolemia, leading to accelerated atherosclerotic plaque development. Together, our data reveal that KC homeostasis is perturbed during hypercholesterolemia, which in turn alters the control of plasma cholesterol levels and increases atherosclerosis.

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Authors
Fima, R., Dussaud, S., Benbida, C., Blanchet, M., Lanthiez, F., Poupel, L., Brambilla, C., Gélineau, A., Dessena, M., Blanc, M., Lerévérend, C., Moreau, M., Boissonnas, A., Gautier, E. L., & Huby, T.
Affiliations
  • Inserm (FR)
  • Centre National de la Recherche Scientifique (FR)
  • University of Parma (IT)
Corresponding author
Huby, Thierry
Venue
Nature Communications
Published
2024-09-27
Volume
15
Issue
1
Pages
8341-8341
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4402922869
Cited by
14
References
63
Citations by year
2026: 6 · 2025: 8
FWCI
5.90
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by-nc-nd)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, cc-by-nc-nd)
  • HAL (submittedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Agence Nationale de la Recherche (ANR-17-CE14-0044, ANR-21-CE14-0067-01)
  • Fondation de France (00096295)
  • Sorbonne Université Emergence programme
Topics
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
Kupffer cells, hypercholesterolemia, atherosclerosis, CD36, scavenger receptors, mitochondrial oxidative stress, atherosclerotic plaque
MeSH terms
Animals, Cholesterol, Female, Homeostasis, Hypercholesterolemia, Kupffer Cells, Liver, Male, Mice, Inbred C57BL, Monocytes, Mice, Knockout, Oxidative Stress, CD36 Antigens, Atherosclerosis, Mice, Plaque, Atherosclerotic

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