B3GAT1 and neoplasm: Iida et al. (2014) showed that increased CD57+T-cell infiltration in the tumor microenvironment was a potent prognostic marker for OSCC [22]. Zancope et al. (2010) showed that infiltration of NK cells (CD57) and CD 8+ cells in the tumor microenvironment reflected a favorable cytotoxic immune response against malignant cells [23].