In Vivo Interaction of Endotoxin with a Plasma Lipoprotein Having Esterase Activity

AUTOR(ES)
RESUMO

Circulating endotoxin was specifically precipitated from plasma samples withdrawn from three different animal species subsequent to parenteral injection of the toxin. Lipoprotein-positive staining and esterase activity were demonstrated on the precipitation lines formed in immunodiffusion, thus establishing the in vivo interaction of endotoxin with a plasma lipoprotein having esterase activity. Evidence was given to show that the intensity of this interaction in circulating plasma increased gradually with time. The concordance of this in vivo inter-action with the in vitro degradation and inactivation of endotoxin by plasma esterases is discussed.

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