Molecular mediators governing iron-copper interactions.

Abstract:

:Given their similar physiochemical properties, it is a logical postulate that iron and copper metabolism are intertwined. Indeed, iron-copper interactions were first documented over a century ago, but the homeostatic effects of one on the other has not been elucidated at a molecular level to date. Recent experimental work has, however, begun to provide mechanistic insight into how copper influences iron metabolism. During iron deficiency, elevated copper levels are observed in the intestinal mucosa, liver, and blood. Copper accumulation and/or redistribution within enterocytes may influence iron transport, and high hepatic copper may enhance biosynthesis of a circulating ferroxidase, which potentiates iron release from stores. Moreover, emerging evidence has documented direct effects of copper on the expression and activity of the iron-regulatory hormone hepcidin. This review summarizes current experimental work in this field, with a focus on molecular aspects of iron-copper interplay and how these interactions relate to various disease states.

journal_name

Annu Rev Nutr

authors

Gulec S,Collins JF

doi

10.1146/annurev-nutr-071812-161215

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

95-116

eissn

0199-9885

issn

1545-4312

journal_volume

34

pub_type

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