Linkable sialyl Lewis X analogs

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Ultrasound contrast agent

Reexamination Certificate

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Details

C424S009510, C424S009520, C424S450000

Reexamination Certificate

active

07422733

ABSTRACT:
Disclosed herein is a class of linkable tetrasaccharide compounds that includes the amino phenyl glycoside of sialyl Lewis X (SLeX) and related analogs. These compounds have conjugatable nucleophilic groups, making them useful in preparing multimeric SLeXcompositions. In particular, the disclosed SLeXcompounds can be used to prepare selectin binding ligand conjugates by linking them to a reporter moiety, such as a contrast agent, a radiodiagnostic agent, or a cytotoxic or chemotherapeutic agent. The SLeXcompounds and conjugates of the invention exhibit binding to selectin that is similar to native Sialyl Lex, and are, therefore, useful for diagnosing and treating selectin-mediated disorders and related conditions.

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