human blood monocytes were incubated with medium , concanavalin a-stimulated lymphokine [ macrophage-activating factor ( maf ) ] , lipopolysaccharide endotoxin , or human recombinant gamma interferon for 24 h prior to the addition of [ 125i ] iododeoxyuridine-labeled a375 melanoma cells .
C0024297
lymphokine
C0079786
macrophage-activating factor