KLF2 and colorectal carcinoma: Furthermore, lncRNA CRNDE binding with EZH2 promotes the proliferation of CRC cells by epigenetic silencing of DUSP5/p21 expression36, and another lncRNA HOXA-AS2 can inhibit the expression of p21 and KLF2 in CRC cells by binding with EZH2 and LSD1, which both regulate histone methylation37.