Abstract
The biological relevance of each of the three inorganic species – iron, oxygen, and nitric oxide (NO) – is crucial. Moreover, their metabolic pathways cross each other and thus create a complex network of connections responsible for the regulation of many essential biological processes. The iron storage protein ferritin, one of the main regulators of iron homeostasis, influences oxygen and NO metabolism. Here, examples are given of the biological interactions of the ferritin molecule (ferritin iron and ferritin shell) with reactive oxygen species (ROS) and NO. The focus is the regulation of ferritin expression by ROS and NO. From these data, ferritin emerges as an important cytoprotective component of the cellular response to ROS and NO. Also, by its ability to alter the amount of intracellular "free" iron, ferritin may affect the metabolism of ROS and NO. It is proposed that this putative activity of ferritin may constitute a missing link in the regulatory loop between iron, ROS, and NO.
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Received: 2 January 1997 / Accepted: 9 June 1997
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Lipiński, P., Drapier, JC. Interplay between ferritin metabolism, reactive oxygen species and nitric oxide. JBIC 2, 559–566 (1997). https://doi.org/10.1007/s007750050170
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DOI: https://doi.org/10.1007/s007750050170