when fc receptors ( fcr ) on normal human peripheral blood lymphocytes were induced to modulate by overnight ( 18 h ) incubation in the presence of soluble or particulate immune complexes , the natural killer ( nk ) activity of the effector lymphocyte suspension , as measured against the k562 erythroleukemia cell line , was significantly , but only partially , inhibited .
C0024264
lymphocyte
C0023440
erythroleukemia