Figure 3: Validation of the NCI60 lncRNA expression data.

(a) Hierarchical clustering of NCI60 cell lines according to the lncRNA expression data. Cancer types are color-coded. LncRNA expression values are shown as a heatmap. (b) Hierarchical clustering of NCI60 cell lines according to public mRNA expression data. (c) Expression of ANRIL and PVT1 in cell lines with differential ANRIL and PVT1 copy number.