Novel potent and selective σ ligands: evaluation of their agonist and antagonist properties

J Med Chem. 2011 May 26;54(10):3669-73. doi: 10.1021/jm200144j. Epub 2011 Apr 21.

Abstract

Novel enantiomers and diastereoisomers structurally related to σ ligand (+)-MR200 were synthesized to improve σ(1)/σ(2) subtype selectivity. The selective σ(1) ligand (-)-8 showed an antagonist profile determined by phenytoin differential modulation of binding affinity in vitro, confirmed in vivo by an increase of κ opioid analgesia. The σ(2) ligand (-)-9 displayed agonist properties in an in vitro isolated organ bath assay and antiproliferative effects on LNCaP and PC3 prostate cancer cell lines.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Cell Line, Tumor
  • Chemistry, Pharmaceutical / methods*
  • Cyclopropanes / agonists*
  • Cyclopropanes / antagonists & inhibitors*
  • Cyclopropanes / chemical synthesis*
  • Drug Design
  • Humans
  • Kinetics
  • Magnetic Resonance Spectroscopy / methods
  • Models, Chemical
  • Muscle Contraction / drug effects
  • Piperidines / agonists*
  • Piperidines / antagonists & inhibitors*
  • Piperidines / chemical synthesis*
  • Protein Binding
  • Receptors, Opioid, delta / drug effects*
  • Time Factors

Substances

  • (+)-methyl 2-((4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl)methyl)-1-phenylcyclopropanecarboxylate
  • Cyclopropanes
  • Piperidines
  • Receptors, Opioid, delta