KIF11 and breast carcinoma: Several articles have elucidated the functions of KIF11 in breast cancers—for example, Pei et al. demonstrated that KIF11 was upregulated in 95.8% paraffin-embedded archival breast cancer biopsies, and decreased expression of KIF11 inhibited the proliferation of breast cancer cells in vitro and in vivo (Pei et al., 2017).