EZH2 and breast cancer: Linc-UBC1 is upregulated and preferentially localizes in nucleus, which aggravates BC progression through altering polycomb repressive complex 2 (PRC2) complex localization by interacting with enhancer of zeste 2 polycomb repressive complex 2 subunit (EZH2) and SUZ12 polycomb repressive complex 2 subunit (SUZ12) (He et al., 2016).