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Updated: Apr 21, 2026

Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
Published on: May 10, 2022
Novel loci affecting iron homeostasis and their effects in individuals at risk for hemochromatosis
Beben Benyamin1, Tonu Esko2, Janina S Ried3
11] The University of Queensland, Queensland Brain Institute, Brisbane, Queensland 4072, Australia [2] QIMR Berghofer Medical Research Institute, Brisbane, Queensland 4029, Australia.
Abstract:
Variation in body iron is associated with or causes diseases, including anaemia and iron overload. Here, we analyse genetic association data on biochemical markers of iron status from 11 European-population studies, with replication in eight additional cohorts (total up to 48,972 subjects). We find 11 genome-wide-significant (P<5 × 10(-8)) loci, some including known iron-related genes (HFE, SLC40A1, TF, TFR2, TFRC, TMPRSS6) and others novel (ABO, ARNTL, FADS2, NAT2, TEX14). SNPs at ARNTL, TF, and TFR2 affect iron markers in HFE C282Y homozygotes at risk for hemochromatosis. There is substantial overlap between our iron loci and loci affecting erythrocyte and lipid phenotypes. These results will facilitate investigation of the roles of iron in disease.
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