| http://purl.uniprot.org/citations/11943867 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/11943867 | http://www.w3.org/2000/01/rdf-schema#comment | "Hereditary hemochromatosis (HH) is a disorder of iron metabolism in which enhanced iron absorption of dietary iron causes increased iron accumulation in the liver, heart, and pancreas. Most individuals with HH are homozygous for a C282Y mutation in the HFE gene. The function of HFE protein is unknown, but it is hypothesized that it acts in association with beta(2)-microglobulin and transferrin receptor 1 to regulate iron uptake from plasma transferrin by the duodenum, the proposed mechanism by which body iron levels are sensed. The aim of this study was to test this hypothesis by comparing clearance of transferrin-bound iron in Hfe knockout (KO) mice with that observed in C57BL/6 control mice. The mice were fed either an iron-deficient, control, or iron-loaded diet for 6 weeks to alter body iron status. The mice then were injected i.v. with (59)Fe-transferrin, and blood samples were taken over 2 h to determine the plasma (59)Fe turnover. After 2 h, the mice were killed and the amount of radioactivity in the duodenum, liver, and kidney was measured. In both Hfe KO and C57BL/6 mice, plasma iron turnover and iron uptake from plasma transferrin by the duodenum, liver, and kidney correlated positively with plasma iron concentration. However, duodenal iron uptake from plasma transferrin was decreased in the Hfe KO mice compared with the control mice. Despite this difference in duodenal uptake, the Hfe KO mice showed no decrease in iron uptake by the liver and kidney or alteration in the plasma iron turnover when compared with C57BL/6 mice. These data support the hypothesis that HFE regulates duodenal uptake of transferrin-bound iron from plasma, and that this mechanism of sensing body iron status, as reflected in plasma iron levels, is impaired in HH."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.org/dc/terms/identifier | "doi:10.1073/pnas.082112299"xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/author | "Sly W.S."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/author | "Olynyk J.K."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/author | "Trinder D."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/author | "Morgan E.H."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/date | "2002"xsd:gYear |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/name | "Proc Natl Acad Sci U S A"xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/pages | "5622-5626"xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/title | "Iron uptake from plasma transferrin by the duodenum is impaired in the Hfe knockout mouse."xsd:string |
| http://purl.uniprot.org/citations/11943867 | http://purl.uniprot.org/core/volume | "99"xsd:string |
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