KLRK1 and neoplasm: Of note, the anti-NKG2D mAb did not inhibit tumor cell lysis exerted by NK/TAF cells (Figures 1A–C, dark vs light gray), suggesting that NKG2D-mediated recognition is impaired, at variance with anti-DNAM1 or anti-LFA1 mAbs (Figures 1A–C, white whiskers).