Cited by 258Iron Metabolism and DisordersNeurological diseases and metabolismFerroptosis and cancer prognosis

Targeted disruption of the hepcidin 1 gene results in severe hemochromatosis

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Lesbordes-Brion, Jeanne-Claire, Viatte, Lydie, Bennoun, Myriam, Lou, Dan-Qing, Ramey, Guillemette, Houbron, Christophe, Hamard, Ghislaine, Kahn, Axel +1 more·2006·Blood

Abstract

We previously reported that mice made deficient for the transcriptional factor USF2 fail to express hepcidin 1 and hepcidin 2 genes as a consequence of targeted disruption of the Usf2 gene lying just upstream in the locus. These mice developed an iron overload phenotype with excess iron deposition in parenchymal cells and decreased reticuloendothelial iron. At that time, although the role of USF2 was still confounding, we proposed for the first time the role of hepcidin as a negative regulator of iron absorption and iron release from macrophages. Accordingly, we subsequently demonstrated that hyperexpression of hepcidin 1, but not hepcidin 2, resulted in a profound hyposideremic anemia. To analyze the consequences of hepcidin 1 deletion on iron metabolism without any disturbance due to USF2 deficiency, we disrupted the hepcidin 1 gene by targeting almost all the coding region. Confirming our prior results, Hepc1–/– mice developed early and severe multivisceral iron overload, with sparing of the spleen macrophages, and demonstrated increased serum iron and ferritin levels as compared with their controls.

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Crossref · 10.1182/blood-2006-02-003376

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Authors
Lesbordes-Brion, J.-C., Viatte, L., Bennoun, M., Lou, D.-Q., Ramey, G., Houbron, C., Hamard, G., Kahn, A., & Vaulont, S.
Affiliations
  • From the Institut Cochin, Département de Génétique, Développement et Pathologie Moléculaire; Institut National de la Santé et de la Recherche Médicale (INSERM) U567; Centre National de la Recherche Scientifique (CNRS); and Université Paris Descartes, Faculté de Médecine René Descartes, Paris, France.
  • Centre National de la Recherche Scientifique (FR)
Venue
Blood
Published
2006-08-15
Volume
108
Issue
4
Pages
1402-1405
ISSN
  • 0006-4971 (ISSN-L)
  • 1528-0020
OpenAlex
W1987067683
Cited by
257
References
23
Citations by year
2026: 2 · 2025: 9 · 2024: 8 · 2023: 4 · 2022: 9 · 2021: 9 · 2020: 19 · 2019: 13 · 2018: 8 · 2017: 21 · 2016: 16 · 2015: 16 · 2014: 21 · 2013: 19 · 2012: 13
FWCI
7.70
Type
journal article
Language
en
Open access
Locations
  • Blood (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Life Sciences › Neuroscience › Neurology › Neurological diseases and metabolism
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Ferroptosis and cancer prognosis
Keywords
hemochromatosis, iron overload, iron metabolism, knockout mice, USF2, serum iron, ferritin, splenic macrophages
MeSH terms
Animals, Ferritins, Hemochromatosis, Iron, Macrophages, Spleen, Open Reading Frames, Gene Deletion, Mice, Knockout, Antimicrobial Cationic Peptides, Quantitative Trait Loci, Mice, Upstream Stimulatory Factors, Hepcidins

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