High miR-26a and low CDC2 levels associate with decreased EZH2 expression and with favorable outcome on tamoxifen in metastatic breast cancer. - Jansen MP; Reijm EA; Sieuwerts AM; Ruigrok-Ritstier K; Look MP; Rodríguez-González FG; Heine AA; Martens JW; Sleijfer S; Foekens JA; Berns EM (Breast cancer research and treatment, 2012)