ULBP1 and cancer: Following selinexor incubation, we observed no significant change in the surface expression of ULBP-1, ULBP-2/5/6, MIC-A/B, CD54 (ICAM-1), B7-H6, or externalised calreticulin (ecto-reticulin), recently identified as the cancer associated ligand for NKp46 [36] (Fig. 4A, B).