by Karolinska Institutet Fig. 1: The CTCFBS within the OSE-specific eRNA gene (CCAT1) confers a proliferative advantage to the HCT-116 cells. a The position of the CCAT1-specific CTCFBS within the OSE is indicated (black arrow). The core binding sequence was modified at 8 bases, as marked by gray boxes in the panel, by CRISPR editing....