Identification of erythroferrone as an erythroid regulator of iron metabolism.

Identification of erythroferrone as an erythroid regulator of iron metabolism.
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DOI:
10.1038/ng.2996
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发表时间:
2014-07
期刊:
影响因子:
30.8
通讯作者:
Ganz T
Ganz T
中科院分区:
生物学1区
文献类型:
--
作者:
Kautz L;Jung G;Valore EV;Rivella S;Nemeth E;Ganz T

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Recovery from blood loss requires a greatly enhanced supply of iron to support expanded erythropoiesis. After hemorrhage, suppression of the iron-regulatory hormone hepcidin allows increased iron absorption and mobilization from stores. We identified a new hormone, erythroferrone (ERFE), which mediates hepcidin suppression during stress erythropoiesis. ERFE is produced by erythroblasts in response to erythropoietin. ERFE-deficient mice fail to suppress hepcidin rapidly after hemorrhage and exhibit a delay in recovery from blood loss. ERFE expression is greatly increased in murine HbbTh3/+ thalassemia intermedia where it contributes to the suppression of hepcidin and systemic iron overload characteristic of this disease.
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