POU5F1 and colorectal carcinoma: Results indicated that CD133, SOX2, and OCT4 were all significantly elevated in CSC cells than in non-CSC CRC cells, and knockdown of miR-92a remarkably decreased their expression in CSC cells (Figure 2b and 2c, **P < 0.01, ***P < 0.001; ## P < 0.01).