ULBP1 and cancer: Our study also identified immunostimulatory agents, such as ULBP1, which activates NK cells and exerts tumor-killing effects (Qi et al., 2021; Wang et al., 2020), and TNFRSF13C, which promotes cancer cell death (Abo-Elfadl et al., 2020; Bhat et al., 2013; Véquaud et al., 2015).