macrophage monolayers treated with the stimulating agents starch , glycogen , and zymosan secreted three- to four-fold less c3 ( mean 12 ng/10 ( 5 ) cells/12 hr ) than macrophages exposed to lymphokines containing macrophage-activating factor ( maf ) ( mean c3 production 44 ng/10 ( 5 ) cells/12 hr ) .
C0024297
lymphokines
C0079786
macrophage-activating factor