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ID: ALA3621092
Journal: Bioorg Med Chem Lett
Title: Lipid-conjugated Smac analogues.
Authors: Micewicz ED, Ratikan JA, Waring AJ, Whitelegge JP, McBride WH, Ruchala P.
Abstract: A small library of monovalent and bivalent Smac mimics was synthesized based on 2 types of monomers, with general structure NMeAla-Xaa-Pro-BHA (Xaa=Cys or Lys). Position 2 of the compounds was utilized to dimerize both types of monomers employing various bis-reactive linkers, as well as to modify selected compounds with lipids. The resulting library was screened in vitro against metastatic human breast cancer cell line MDA-MB-231, and the two most active compounds selected for in vivo studies. The most active lipid-conjugated analogue M11, showed in vivo activity while administered both subcutaneously and orally. Collectively, our findings suggest that lipidation may be a viable approach in the development of new Smac-based therapeutic leads.
CiteXplore: 26384289