Pre- and post-vorinostat values of ER-related gene expression using the Oncotype DX 21-gene assay. Pre- and post-vorinostat values of ER-related gene expression using the Oncotype DX 21-gene assay. Vorinostat-treated women (+, N = 14) versus control (ˆ, N = 11) for ER (A), PR (B), and the ER-axis (C). Values are on a log2 scale. Exact 2-sided P values are from the 2-sample Wilcoxon rank-sum test. Vered Stearns et al. Clin Cancer Res 2013;19:4008-4016 ©2013 by American Association for Cancer Research