期刊
MOLECULAR ASPECTS OF MEDICINE
卷 75, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mam.2020.100866
关键词
Iron metabolism; IRE/IRP; Hepcidin; Ferroportin; BMP/SMAD signaling; ERFE
Iron is a constituent of many metalloproteins involved in vital metabolic functions. While adequate iron supply is critical for health, accumulation of excess iron promotes oxidative stress and causes tissue injury and disease. Therefore, iron homeostasis needs to be tightly controlled. Mammals have developed elegant homeostatic mechanisms at the cellular and systemic level, which serve to satisfy metabolic needs for iron and to minimize the risks posed by iron's toxicity. Cellular iron metabolism is post-transcriptionally controlled by iron regulatory proteins, IRP1 and IRP2, while systemic iron balance is regulated by the iron hormone hepcidin. This review summarizes basic principles of mammalian iron homeostasis at the cellular and systemic level. Particular attention is given on pathways for hepcidin regulation and on crosstalk between cellular and systemic homeostatic mechanisms.
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