Synthesis of RGD amphiphilic cyclic peptide as fibrinogen or fibronectin antagonist
1997
This paper investigates the effect of the incorporation of adiazaethylene glycol derivative (Deg, 2) into a cyclic peptide containingthe tripeptide sequence Arg-Gly-Asp (RGD). This motif is a common structuralelement of many integrin ligands. The synthesis of cyclo-(Arg-Gly-Asp-Deg)(7) has been accomplished in solution using standard peptide chemistry. Theintent was to improve the bioavailability of this new RGD cyclic peptide,which is shown to interact with αIIbΒ3β3or α5 β1 receptors. A preliminary stepfor the conformational study of peptide 7 was done in DMSO-d6using nuclear magnetic resonance spectroscopy techniques.
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