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Redox Rep. 2002;7(1):15-22.

Redox control of iron regulatory proteins.

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1
Lady Davis Institute for Medical Research, Sir Mortimer B. Davis Jewish General Hospital, Montreal, Quebec, Canada.

Abstract

Iron regulatory proteins, IRP1 and IRP2, are cytoplasmic proteins of the iron-sulfur cluster isomerase family and serve as major post-transcriptional regulators of cellular iron metabolism. They bind to 'iron responsive elements' (IREs) of several mRNAs and thereby control their translation or stability. IRP1 and IRP2 respond to alterations in intracellular iron levels, but also to other signals such as nitric oxide (NO) and reactive oxygen species (ROS). The redox regulation of IRP1 and IRP2 provides direct links between the control of iron homeostasis and oxidative stress.

PMID:
11981450
DOI:
10.1179/135100002125000136
[Indexed for MEDLINE]
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