Cited by 69Iron Metabolism and DisordersFerroptosis and cancer prognosisNeurological diseases and metabolism

Kupffer cells modulate iron homeostasis in mice via regulation of hepcidin expression

Theurl, Milan, Theurl, Igor, Hochegger, Kathrin, Obrist, Peter, Subramaniam, Nathan, van Rooijen, Nico, Schuemann, Klaus, Weiss, Guenter·2008·Journal of Molecular Medicine

Abstract

Hepcidin, a small cationic liver derived peptide, is a master regulator of body iron homeostasis. Cytokines and iron availability have so far been identified as regulators of hepcidin expression. Herein, we investigated the functional role of Kupffer cells for hepcidin expression because of their vicinity to the hepatocytes and their importance for iron recycling via erythrophagocytosis. We investigated C57Bl6 mice and littermates, in which Kupffer cells were eliminated in vivo upon intravenous injection of liposome-encapsulated clodronate. Primary cultures of hepatocytes and Kupffer cells were used to study direct regulatory effects ex vivo. The in vivo depletion of Kupffer cells resulted in a significant increase in liver hepcidin expression, which was paralleled by a significant reduction in serum iron levels. The same pattern of regulation by Kupffer cell depletion was observed upon injection of bacterial lipopolysaccharide into mice and in primary (Hfe -/-) and in secondary iron-overloaded mice. Accordingly, the messenger ribonucleic acid (mRNA) concentrations of the hepcidin iron-sensing molecule hemojuvelin were not significantly changed upon Kupffer cell depletion. When primary hepatocytes were cocultivated with Kupffer cells or stimulated with a Kupffer cell-conditioned medium ex vivo, a significant reduction in hepatocyte hepcidin mRNA expression was observed. Our data suggest that Kupffer cells control body iron homeostasis by exerting negative regulatory signals toward hepcidin expression, which may be primarily referred to the secretion of yet unidentified hepcidin-suppressing molecules by Kupffer cells.

Integrity signals

Registry

Crossref · 10.1007/s00109-008-0346-y

Cites

44 of 44 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Theurl, M., Theurl, I., Hochegger, K., Obrist, P., Subramaniam, N., van Rooijen, N., Schuemann, K., & Weiss, G.
Affiliations
Innsbruck Medical University (AT)
Venue
Journal of Molecular Medicine
Published
2008-06-03
Volume
86
Issue
7
Pages
825-835
ISSN
  • 0946-2716 (ISSN-L)
  • 1432-1440
OpenAlex
W170317777
Cited by
69
References
44
Citations by year
2026: 1 · 2025: 6 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 7 · 2016: 3 · 2015: 2 · 2014: 4 · 2013: 3 · 2012: 3
FWCI
3.03
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Molecular Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • American Journal of Hematology
  • Faculty of Health
Funders
American Regent
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Ferroptosis and cancer prognosis
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
Keywords
Kupffer cells, hepcidin, iron homeostasis, hepcidin regulation, lipopolysaccharide, iron overload, hemojuvelin, erythrophagocytosis, iron recycling, hepatocytes, Kupffer cell depletion, serum iron
MeSH terms
Animals, Gene Expression Regulation, Humans, Iron, Kupffer Cells, Mice, Inbred C57BL, Mice, Transgenic, RNA, Messenger, Hepatocytes, Antimicrobial Cationic Peptides, Cell Line, Tumor, Mice, Hepcidins

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review