These analyses were carried out as previously described7 (link). The following antibodies were used in this study: SALL4 antibody (Abcam, Cambridge, MA); HBc antibody (Dako, Carpinteria, CA); RNA polymerase II antibody (Santa cruz biotechnology, Dallas, Texas); BRG1 antibody (Abcam, Cambridge, MA); STAT3 antibody (Santa Cruz biotechnology, Dallas, Texas); OCT4 antibody (Abcam, Cambridge, MA); H3K27me3 antibody (Abcam, Cambridge, MA); Histone 3 antibody (Active Motif, Carlsbad, CA). ChIP primer sequences listed in Supplementary Table 1.