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  • Title: Akt and 14-3-3eta regulate Miz1 to control cell-cycle arrest after DNA damage.
    Author: Wanzel M, Kleine-Kohlbrecher D, Herold S, Hock A, Berns K, Park J, Hemmings B, Eilers M.
    Journal: Nat Cell Biol; 2005 Jan; 7(1):30-41. PubMed ID: 15580267.
    Abstract:
    The transcription factor Miz1 is required for DNA-damage-induced cell-cycle arrest. We have now identified 14-3-3eta as a gene that inhibits Miz1 function through interaction with its DNA binding domain. Binding of 14-3-3eta to Miz1 depends on phosphorylation by Akt and regulates the recovery of cells from arrest after DNA damage. Miz1 has two functions in response to DNA damage: first, it is required for upregulation of a large group of genes, a function that is regulated by c-Myc, but not by 14-3-3eta; second, Miz1 represses the expression of many genes in response to DNA damage in an Akt- and 14-3-3eta-regulated manner.
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