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Gadolinium toxicity: Iron and ferroportin as central targets
1Division of Nephrology & Center for Immunity, Inflammation and Regeneration, University of Virginia, Charlottesville, VA.
Abstract:
Gadolinium-based magnetic resonance (MR) contrast agents (GBCM) causes a devastating systemic fibrosing illness, nephrogenic systemic fibrosis (NSF), in patients with reduced kidney function. GBCM targets iron-recycling CD163- and ferroportin-expressing macrophages to release labile iron that mediates gadolinium toxicity and NSF. GBCA might similarly target iron-rich, ferroportin-expressing structures such as globus pallidus and cerebellar dentate nucleus in the brain to result in metal accumulation and potential toxicity.
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