Expression of PR2VR in myeloid cell lines. (A) Staining for PML oncogenic domains in K562 cell lines transfected with GFP-PRWT or GFP-PR2VR (B) Analysis of apoptosis by annexin V staining in U937 cells at 24 hours after transfection with GFP-PRWT or GFP-PR2VR (C) Heatmap of hierarchical clustering of z-score normalized microarray data of U937 cells transfected with GFP control versus GFP-PRWT or GFP-PR2VR.