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The role of hepcidin in iron metabolism


Authors: J. Houda 1;  D. Pospíšilová 1;  M. Horváthová 2
Authors place of work: Dětská klinika při LF UP a FN, Olomoucpřednosta prof. MUDr. V. Mihál, CSc. 1;  Ústav biologie při LF UP, Olomoucpřednosta doc. RNDr. V. Divoký, Ph. D. 2
Published in the journal: Čes-slov Pediat 2014; 69 (5): 301-312.
Category: Review

Summary

Iron is essential for proper function of the cells in human body. Iron is involved in tissue oxygenation, antioxidant defence, cell proliferation and in other important metabolic processes as a part of haemoproteins (haemoglobin, myoglobin) and different iron-containing enzymes. It is crucial to keep iron homeostasis balanced, because of the potential iron toxicity. Hepcidin plays a key role in this process by controlling iron absorption from the diet, iron recycling from senescent erythrocytes and iron release from stores. Many diseases are accompanied by abnormal hepcidin level. Inappropriately low hepcidin leads to iron overload and is typical for hereditary haemochromatosis. Increased hepcidin level contributes to the development of anaemia caused by insufficient iron supply for erythropoiesis.

Molecular mechanisms affecting hepcidin production are still subject of intensive research. More detailed knowledge about these mechanisms may contribute to the identification of new molecules involved in the regulation of iron metabolism and to the development of new drugs potentially useful in the treatment of disorders associated with disrupted iron homeostasis.

Key words:
iron metabolism, hepcidin, ferroportin, hereditary haemochromatosis, anaemia of chronic diseases


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Štítky
Neonatology Paediatrics General practitioner for children and adolescents
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