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. 1972 Sep;129(2):455–462. doi: 10.1042/bj1290455

Prenatal and postnatal changes in the content and species of ferritin in rat liver

Maria C Linder 1, Joan R Moor 1, Laura E Scott 1, Hamish N Munro 1
PMCID: PMC1174095  PMID: 4674602

Abstract

The iron and ferritin content of rat liver and the species of ferritin present were examined from 4 days before to 3 weeks after birth. 1. Total iron and ferritin iron accumulated rapidly during the last days of gestation and from the second postnatal day underwent a steady depletion. 2. The amount of iron deposited before birth in the liver of each pup varied inversely with litter size and could be increased moderately by injection of iron into the mother before mating. 3. Intraperitoneal injection of iron 1 day after birth doubled the concentration of total iron, ferritin iron and ferritin protein in the liver over the next 24h, but at 3 weeks after birth it raised the very low concentrations of iron and ferritin severalfold. 4. As shown by electrophoretic migration, ferritin and dissociated ferritin subunits prepared from the livers of rats from 4 days before to 3 weeks after birth differed from those of adult liver ferritin and were indistinguishable from those of adult kidney and spleen ferritin. Treatment with iron at 3 weeks of age induced formation of a ferritin with electrophoretic properties resembling those of adult liver. It is concluded that iron given at this stage of development may activate the genetic cistron for adult liver ferritin.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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