GSEA with Hallmark gene sets performed on transcriptional changes in HT1197 cells treated with panobinostat for 48 hours. A. Top 6 downregulated GSEA signatures B. Top 6 upregulated GSEA signatures C. GSEA HT1197 vs UMUC3 ( comparison of transcriptome of untreated samples reveals significantly greater presence of the E2F target gene signature in HT1197 cells).