Hereditary Hemochromatosis Protein, HFE, Interaction with Transferrin Receptor 2 Suggests a Molecular Mechanism for Mammalian Iron Sensing
Copyright policy )Hereditary Hemochromatosis Protein, HFE, Interaction with Transferrin Receptor 2 Suggests a Molecular Mechanism for Mammalian Iron Sensing
HFE and transferrin receptor 2 (TFR2) are membrane proteins integral to mammalian iron homeostasis and associated with human hereditary hemochromatosis. Here we demonstrate that HFE and TFR2 interact in cells, that this interaction is not abrogated by disease-associated mutations of HFE and TFR2, and that TFR2 competes with TFR1 for binding to HFE. We propose a new model for the mechanism of iron status sensing that results in the regulation of iron homeostasis.
- Harvard University United States
- Harvard Medical School
- Boston Children's Hospital United States
- HARVARD MEDICAL SCHOOL
- Harvard Medical School
Iron, Histocompatibility Antigens Class I, Membrane Proteins, Models, Biological, Mice, Antigens, CD, Mutation, Receptors, Transferrin, Animals, Homeostasis, Humans, Hemochromatosis, Hemochromatosis Protein
Iron, Histocompatibility Antigens Class I, Membrane Proteins, Models, Biological, Mice, Antigens, CD, Mutation, Receptors, Transferrin, Animals, Homeostasis, Humans, Hemochromatosis, Hemochromatosis Protein
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