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Ferritin expression modulates cell cycle dynamics and cell responsiveness to H-ras-induced growth via expansion of the labile iron pool.

Date Published:

2002 May 1

Abstract:

Repression or overexpression of ferritin accelerated or retarded cell cycling respectively, via changes in the cellular labile iron pool (LIP). A rise in LIP is caused by ferritin repression enhanced growth, induced by H-ras, and reverted growth arrest is induced by dominant negative H-ras. The studies indicate that repression of ferritin expression provides a mechanism by which certain oncogenes lead to cell growth stimulation.