FOXK1 and cancer: Several transcription factors, including Forkhead box k1 (FOXK1) and Homebox D9 (HOXD9) involved in cancer progression (Moens and Selleri, 2006; Tabuse et al., 2011; Lv et al., 2015; Peng et al., 2016; Wu et al., 2016; Liu et al., 2018; Zhu et al., 2019), have been shown to regulate RUFY3 expression and activity (Xie et al., 2017a; Zhu et al., 2019; Table 1).