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2015 ; 22
(5
): 777-87
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Ironing out Ferroportin
#MMPMID26437604
Drakesmith H
; Nemeth E
; Ganz T
Cell Metab
2015[Nov]; 22
(5
): 777-87
PMID26437604
show ga
Maintaining physiologic iron concentrations in tissues is critical for metabolism
and host defense. Iron absorption in the duodenum, recycling of iron from
senescent erythrocytes, and iron mobilization from storage in macrophages and
hepatocytes constitute the major iron flows into plasma for distribution to
tissues, predominantly for erythropoiesis. All iron transfer to plasma occurs
through the iron exporter ferroportin. The concentration of functional
membrane-associated ferroportin is controlled by its ligand, the iron-regulatory
hormone hepcidin, and fine-tuned by regulatory mechanisms serving iron
homeostasis, oxygen utilization, host defense, and erythropoiesis. Fundamental
questions about the structure and biology of ferroportin remain to be answered.
|Animals
[MESH]
|Cation Transport Proteins/chemistry/genetics/*metabolism
[MESH]