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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Iron sequestration and anemia of inflammation.

Anemia of chronic disease, also called anemia of inflammation, is characterized by hypoferremia due to iron sequestration that eventually results in iron-restricted erythropoiesis. During the last decade, the molecular mechanisms of iron sequestration have been found to center on cytokine-stimulated overproduction of the iron-regulatory hormone hepcidin. The inflammatory cytokine interleukin-6 (IL-6) is a particularly prominent inducer of hepcidin, but other cytokines are likely to contribute as well. Hepcidin excess causes the endocytosis and proteolysis of the sole known cellular iron exporter, ferroportin, trapping iron in macrophages and iron-absorbing enterocytes. The supply of iron to hemoglobin synthesis becomes limiting, eventually resulting in anemia. Depending on the details of the underlying disease, other inflammation-related mechanisms may also contribute to anemia.[1]

References

  1. Iron sequestration and anemia of inflammation. Ganz, T., Nemeth, E. Semin. Hematol. (2009) [Pubmed]
 
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