Binding of copper to mucosal transferrin and inhibition of intestinal iron absorption in rats.


1. The chromatographic elution patterns on Sepharose 6B of the supernatant from mucosal homogenates prepared 10 min after administration of copper into duodenal segments in vivo, indicate that copper is bound preferentially in the fraction of mucosal transferrin. 2. In iron deficiency the amount of 64Cu-copper taken up into the duodenal mucosa is more than… (More)


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