Development of Novel Enkephalin Analogues that Have Enhanced Opioid Activities at Both μ and δ Opioid Receptors
作者:Yeon Sun Lee、Ravil Petrov、Chad K. Park、Shou-wu Ma、Peg Davis、Josephine Lai、Frank Porreca、Ruben Vardanyan、Victor J. Hruby
DOI:10.1021/jm061465o
日期:2007.11.1
Enkephalin analogues with a 4-anilidopiperidine scaffold have been designed and synthesized to achieve therapeutic benefit for the treatment of pain due to mixed mu and delta opioid agonist activities. Ligand 16, in which a Dmt-substituted enkephalin-like structure was linked to the N-phenyl-N-piperidin-4-yl propionamide moiety, showed very high binding affinities (0.4 nM) at mu and delta receptors with an increased hydrophobicity (aLogP = 2.96). This novel lead compound was found to have very potent agonist activities in MVD (1.8 nM) and GPI (8.5 nM) assays.