Keywords: 5-meC; 5-methylcytosine; BMI-1; B-cell-specific Moloney murine leukemia virus integration site 1; DNMT; DNA methyltransferase; EZH2; enhancer of zeste homologue 2; HDAC; histone deacetylase; HOTAIR; Hox transcript antisense intergenic RNA; lncRNA; long no