Title : ATM and p53 regulate FOXM1 expression via E2F in breast cancer epirubicin treatment and resistance.

Pub. Date : 2011 Jun

PMID : 21518729






4 Functional Relationships(s)
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1 ATM and p53 regulate FOXM1 expression via E2F in breast cancer epirubicin treatment and resistance. Epirubicin tumor protein p53 Homo sapiens
2 We also established that there is a loss of p53 function in MCF-7-EPI(R) cells and that epirubicin represses FOXM1 expression at transcription and gene promoter levels through activation of p53 and repression of E2F activity in MCF-7 cells. Epirubicin tumor protein p53 Homo sapiens
3 Moreover, transient promoter transfection assays showed that epirubicin and its cellular effectors p53 and E2F1 modulate FOXM1 transcription through an E2F-binding site located within the proximal promoter region. Epirubicin tumor protein p53 Homo sapiens
4 In summary, our data show that ATM and p53 coordinately regulate FOXM1 via E2F to modulate epirubicin response and resistance in breast cancer. Epirubicin tumor protein p53 Homo sapiens