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Cell cycle effects of iron depletion on T-47D human breast cancer cells


T-47D human breast cancer cells grown in culture medium containing low concentrations of fetal calf serum (FCS) proliferated very slowly, with an accumulation of cells in the G2 phase of the cell cycle, increased polyploid cells, and increased expression of transferrin receptors. Cell proliferation was stimulated by the addition of human transferrin or ammonium ferric citrate to the medium. Growth inhibition and accumulation of G2-phase cells could also be produced in T-47D cells grown in medium containing 10% FCS by the addition of the iron chelator, desferrioxamine. It is concluded that cellular deprivation of iron and/or transferrin is the major cause of reduced proliferation rates and G2-phase arrest which accompany the culture of these cells in medium supplemented with low concentrations of FCS.

Type Journal
ISBN 0014-4827 (Print)
Authors Reddel, R. R.;Hedley, D. W.;Sutherland, R. L. :
Published Date 1985-01-01
Published Volume 161
Published Issue 2
Published Pages 277-84
Status Published in-print
URL link to publisher's version