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Selective opioid growth factor receptor antagonists based on a stilbene isostere
Journal article   Peer reviewed

Selective opioid growth factor receptor antagonists based on a stilbene isostere

David P Stockdale, Michelle B Titunick, Jessica M Biegler, Jessie L Reed, Alyssa M Hartung, David F Wiemer, Patricia J McLaughlin and Jeffrey D Neighbors
Bioorganic & medicinal chemistry, Vol.25(16), pp.4464-4474
08/15/2017
DOI: 10.1016/j.bmc.2017.06.035
PMCID: PMC5567982
PMID: 28693915
url
https://www.ncbi.nlm.nih.gov/pmc/articles/5567982View
Open Access

Abstract

[Display omitted] As part of an ongoing drug development effort aimed at selective opioid receptor ligands based on the pawhuskin natural products we have synthesized a small set of amide isosteres. These amides were centered on lead compounds which are selective antagonists for the delta and kappa opioid receptors. The amide isomers revealed here show dramatically different activity from the parent stilbene compounds. Three of the isomers synthesized showed antagonist activity for the opioid growth factor (OGF)/opioid growth factor receptor (OGFR) axis which is involved in cellular and organ growth control. This cellular signaling mechanism is targeted by “low-dose” naltrexone therapy which is being tested clinically for multiple sclerosis, Crohn’s disease, cancer, and wound healing disorders. The compounds described here are the first selective small molecule ligands for the OGF/OGFR system and will serve as important leads and probes for further study.
Pawhuskin Low-dose naltrexone Opioid growth factor Opioid receptor Stilbene isostere

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