Abstract
Abstract SCI-22Imbalances of iron homeostasis account for some of the most common human diseases. Pathologies can result from both iron deficiency or overload. The hepcidin/ferroportin and the IRE/IRP regulatory systems balance systemic and cellular iron metabolism, respectively, and understanding their points of intersection and crosstalk represents a major challenge in iron biology. I will discuss an emerging picture from studies with different mutant mouse lines according to which the “cellular” IRE/IRP system determines “set points” via its targets (including ferroportin and HIF2α). These are then subject to modulation via hepcidin in response to systemic cues. Disclosures:No relevant conflicts of interest to declare.
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