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Lipid-conjugated Smac analogues.


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.

SUBMITTER: Micewicz ED 

PROVIDER: S-EPMC4592835 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature

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Lipid-conjugated Smac analogues.

Micewicz Ewa D ED   Ratikan Josephine A JA   Waring Alan J AJ   Whitelegge Julian P JP   McBride William H WH   Ruchala Piotr P  

Bioorganic & medicinal chemistry letters 20150908 20


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. T  ...[more]

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