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Bioorg Med Chem Lett. 2013 Jun 1;23(11):3308-13. doi: 10.1016/j.bmcl.2013.03.101. Epub 2013 Apr 4.

Designing bifunctional NOP receptor-mu opioid receptor ligands from NOP receptor-selective scaffolds. Part I.

Author information

  • 1Astraea Therapeutics, LLC. 320 Logue Avenue, Mountain View, CA 94043, USA. nurulain@astraeatherapeutics.com

Abstract

The nociceptin receptor (NOP) and its endogenous agonist, nociceptin/orphanin FQ (N/OFQ), members of the opioid receptor and peptide families respectively, modulate the pharmacological effects of classical opioids, particularly opioid-induced reward and nociception. We hypothesized that compounds containing both NOP and opioid receptor activity in a single molecule may have useful pharmacological profiles as non-addicting analgesics or as drug abuse medications. We report here our forays into the structure-activity relationships for discovering 'bifunctional' NOP-mu opioid receptor (MOP) ligands, starting from our NOP-selective scaffolds. This initial SAR suggests pharmacophoric elements that may be modified to modulate/increase opioid affinity, while maintaining high affinity for the NOP receptor, to result in potent bifunctional small-molecule NOP/MOP ligands.

Copyright © 2013 Elsevier Ltd. All rights reserved.

PMID:
23623415
[PubMed - indexed for MEDLINE]
PMCID:
PMC3651809
Free PMC Article
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