PMID: 7539025Jun 15, 1995Paper

Recombinant soluble CD14 prevents mortality in mice treated with endotoxin (lipopolysaccharide)

The Journal of Immunology : Official Journal of the American Association of Immunologists
A HaziotS M Goyert

Abstract

Endotoxic shock is a life-threatening condition mediated by cytokines released after exposure to bacterial LPS/endotoxin. Activation of monocytes and neutrophils by the binding of LPS to the membrane receptor, CD14, plays a key role in this response. Furthermore, a soluble form of the CD14 receptor enhances the endothelial cell response to LPS. We show here that despite the agonist effects of soluble CD14 on the endothelial cell response to LPS, recombinant soluble CD14 is able to protect mice from LPS-induced lethality. This protection appears to be associated with the inhibition of TNF-alpha release. These results suggest that the soluble CD14 receptor may represent a new form of therapy for endotoxic shock in humans.

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