Abstract
NEUTROPHIL recruitment into tissues is a multistep process involving sequential engagement of adhesion molecules, including selectins (E,P,L), which are reactive with oligosaccharides, and the family of (β2 integrins which are reactive with endothelial intercellular adhesion molecules1–3. These processes result in the initial rolling of leukocytes along the endothelial surfaces, followed by the firm attachment of leukocytes to the endothelium. The intravenous infusion of cobra venom factor into rats results in acute lung injury that is neutrophil-dependent, oxygen radical mediated and P-selectin-dependent4,5. Here we report that infusion of sialyl-Lewis X, a ligand for P-selectin6–9, dramatically reduced lung injury and diminished the tissue accumulation of neutrophils, whereas irrelevant oligosaccharides had no such effects. These results suggest that sialyl-Lewis X carbohydrates may be used as a new strategy for anti-inflammatory therapy.
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Mulligan, M., Paulson, J., Freest, S. et al. Protective effects of oligosaccharides in P-selectin-dependent lung injury. Nature 364, 149–151 (1993). https://doi.org/10.1038/364149a0
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DOI: https://doi.org/10.1038/364149a0
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