Data were compared with a published ES signature (Kauer data set).28 A more optimal gene expression profile for EFPrx1MSCL+Mcl1 sarcomas was prominent, when comparing relative expression levels of these signature genes in wtMSCL, EFPrx1MSCL, EFPrx1MSCL+Bcl2, EFPrx1MSCL+Mcl1 (Figures 5d and e) or EFPrx1MSCL+Bcl-xL (data not shown) to human data. The gene discussed is BCL2; the disease is sarcoma.