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  • Title: A study of the relationship between placental non-haem iron and iron transfer in the guinea pig: the maturation of the transfer process.
    Author: van Dijk JP, van Kreel BK, Heeren JW.
    Journal: J Dev Physiol; 1986 Oct; 8(5):347-54. PubMed ID: 3794226.
    Abstract:
    The relationship between placental non-haem iron and placental iron transfer has been studied in the guinea pig. From day 25 to day 50, non-haem iron and iron transfer increase. Expressed on placental wet weight or per g of placental DNA, iron transfer and non-haem iron were inversely related; an increase of transfer was accompanied by a decrease of the non-haem iron content. The results are discussed in terms of the hypothesis, that accumulation of non-haem iron in early pregnancy is caused by an imbalance between iron uptake and iron transfer. The steady increase of total non-haem iron till term which has been demonstrated in this study is in contradiction with this hypothesis. The paper describes an alternative hypothesis in which placental non-haem iron, most likely ferritin iron, is assumed to play an active role in the regulation of placental iron transfer.
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