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Related Experiment Videos

Iron uptake studies on erythroid cells.

A Barnekow, G Winkelmann

    Biochimica Et Biophysica Acta
    |November 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Iron uptake varies across different cell types. Transformed erythroid cells prefer ferric citrate and fungal sideramines over transferrin, while reticulocytes favor transferrin and ferric citrate.

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    Area of Science:

    • Biochemistry
    • Cell Biology
    • Hematology

    Background:

    • Iron is essential for erythropoiesis.
    • Transferrin is the primary iron transport protein in serum.
    • Sideramines are iron-chelating compounds produced by fungi.

    Purpose of the Study:

    • To compare iron uptake from different sources in various erythroid cell cultures.
    • To investigate the preference of erythroid cells for specific iron compounds.

    Main Methods:

    • Utilized 55Fe-labelled transferrin, ferric citrate, ferricrocin, and fusigen.
    • Studied iron uptake in four erythroid cell cultures: mouse erythroleukemic cells, human bone marrow cells, bovine reticulocytes, and rabbit bone marrow cells.

    Main Results:

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    • Transformed erythroid cells showed higher iron uptake from ferric citrate and sideramines compared to transferrin.
    • Reticulocytes exhibited greater uptake of transferrin and ferric citrate than sideramines.
    • Primary bone marrow cells demonstrated similar iron uptake rates for transferrin and ferricrocin.

    Conclusions:

    • Erythroid cell iron uptake mechanisms differ based on cell type and iron source.
    • Transformed cells exhibit distinct iron preferences compared to primary cells and reticulocytes.
    • Fungal sideramines represent an alternative iron source for certain erythroid cell types.