antisera directed to antigens present on natural killer ( nk ) cells such as qa-2,3 , qa-5 , nk-1.2 , ly 11.2 , and asialo gm 1 failed to eliminate natural cytotoxic ( nc ) cell activity from murine spleen cells , suggesting a heterogeneity of effector populations involved in natural cell-mediated cytotoxicity ( ncmc ) .
C0003320
antigens
C0301896
cell-mediated