POU5F1 and cervical cancer: In contrast, octamer‐binding transcription factor 4 (OCT4), which is involved in the maintenance of stemness in embryonic stem cells, promotes the expression of oncogenic miR‐125b in cervical cancer cells by directly binding to the miR‐125b promoter region, and this results in the suppression of the pro‐apoptotic protein, Bcl‐2 homologous antagonist/killer (BAK1) (Figure 2).64