SFN and cervical carcinoma: SFN’s impact on cervical cancer cells was investigated by Cheng et al. Cyclin-B1 expression, CDC25C dephosphorylation, and remodeling of the GADD45/CDC2 complex were all restricted by SFN, which also caused a cell cycle halt in the G2/M phase and reduced proliferation (Cheng et al. 2016).