Type | MGI:General | Description | mice exhibit reduced clearance of MHC class I-deficient tumors in vivo; 48 h after i.p. injection, recovery of RMA/s tumor cells is 7% versus 1% in control mice in an in vitro YAC-1 target lysis assay, splenic NK cells (DX5+) show ~60% of the cytotoxic activity seen in control mice across a range of E:T ratios |