Down-regulation of iron regulatory protein 1 activities and expression in superoxide dismutase 1 knock-out mice is not associated with alterations in iron metabolism.

Abstract excerpt

Iron and oxygen (O2) are intimately associated in many well characterized patho-physiological processes. These include oxidation of the [4Fe-4S] cluster of mitochondrial aconitase and inactivation of this Krebs cycle enzyme by the superoxide anion (O2*-), a product of the one-electron of reduction O2. In contrast to the apparent toxicity of this reaction, the biological consequences of O2*- -mediated inactivation...

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