Large amounts of each C'3, C'5, C'6, C'7, C'8, and C'9 were consumed when guinea pig serum was incubated with endotoxic lipopolysaccharide, zymosan, or preformed immune complexes. Since these C' components subserve several of the biological activities which follow the injection of endotoxins into experimental animals, these experiments support the hypothesis that certain biological effects induced by endotoxins may be mediated via the C' system, and may account for some of the known similarity in the reactivities evoked by endotoxins and immune complexes in vivo.
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Copyright © 1968 by The Rockefeller University Press
1968
