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Inhibition of selectin binding

United States Patent

October 9, 2001
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
This invention provides compositions for inhibiting the binding between two cells, one expressing P- or L-selectin on the surface and the other expressing the corresponding ligand. A covalently crosslinked lipid composition is prepared having saccharides and acidic group on separate lipids. The composition is then interposed between the cells so as to inhibit binding. Inhibition can be achieved at an effective oligosaccharide concentration as low as 10.sup.6 fold below that of the free saccharide. Since selectins are involved in recruiting cells to sites of injury, these composition scan be used to palliate certain inflammatory and immunological conditions.
Nagy; Jon O. (Rodeo, CA), Spevak; Wayne R. (Albany, CA), Dasgupta; Falguni (New Delhi, IN), Bertozzi; Caroline (Albany, CA)
The Regents of the University of California (Oakland, CA)
09/ 440,880
November 15, 1999
STATEMENT OF RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH This invention was made in part during work partially supported by the U.S. Department of Energy under contract DE-AC03-76SF00098. The government has certain rights in the invention.