Abstract
Morphinans have a storied history in medicinal chemistry as pain management drugs but have received attention as modulators of cholinergic signaling for the treatment of Alzheimer’s Disease (AD). Galantamine is a reversible, competitive acetylcholinesterase (AChE) inhibitor and allosteric potentiating ligand of nicotinic acetylcholine receptors (nAChR-APL) that shares many common structural elements with morphinan-based opioids. The structurally diverse opioids codeine and eseroline, like galantamine, are also nAChR-APL that have greatly diminished affinity for AChE, representing potential lead compounds for selective nAChR-APL development. In accordance with the emerging repurposing trend of evaluating known compounds for novel pharmacological activity, ongoing research on augmentation of cholinergic signaling that has been aided by the use of opioids will be reviewed.
Keywords: Acetylcholinesterase, Alzheimer’s Disease, galantamine; morphinan, nicotinic acetylcholine receptor, opioid
Mini-Reviews in Medicinal Chemistry
Title:Cholinergic Modulation by Opioid Receptor Ligands: Potential Application to Alzheimer’s Disease
Volume: 13 Issue: 3
Author(s): William C. Motel, Andrew Coop and Christopher W. Cunningham
Affiliation:
Keywords: Acetylcholinesterase, Alzheimer’s Disease, galantamine; morphinan, nicotinic acetylcholine receptor, opioid
Abstract: Morphinans have a storied history in medicinal chemistry as pain management drugs but have received attention as modulators of cholinergic signaling for the treatment of Alzheimer’s Disease (AD). Galantamine is a reversible, competitive acetylcholinesterase (AChE) inhibitor and allosteric potentiating ligand of nicotinic acetylcholine receptors (nAChR-APL) that shares many common structural elements with morphinan-based opioids. The structurally diverse opioids codeine and eseroline, like galantamine, are also nAChR-APL that have greatly diminished affinity for AChE, representing potential lead compounds for selective nAChR-APL development. In accordance with the emerging repurposing trend of evaluating known compounds for novel pharmacological activity, ongoing research on augmentation of cholinergic signaling that has been aided by the use of opioids will be reviewed.
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Cite this article as:
C. Motel William, Coop Andrew and W. Cunningham Christopher, Cholinergic Modulation by Opioid Receptor Ligands: Potential Application to Alzheimer’s Disease, Mini-Reviews in Medicinal Chemistry 2013; 13 (3) . https://dx.doi.org/10.2174/1389557511313030012
DOI https://dx.doi.org/10.2174/1389557511313030012 |
Print ISSN 1389-5575 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5607 |
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