ArticlePharmacology, biochemistry, and behavior2022
Sex- and β-arrestin-dependent effects of kappa opioid receptor-mediated ethanol consumption.
Article in Pharmacology, biochemistry, and behavior, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- Nalfurafine is Aversive at Antinociceptive Doses in Mice.Pharmacology research & perspectives · 2025Article
- κ-Opioid Receptor Agonists as Robust Pain-Modulating Agents: Mechanisms and Therapeutic Potential in Pain Modulation.Journal of clinical medicine · 2025Review
- Kappa opioid receptors diminish spontaneous dopamine signals in awake mice through multiple mechanisms.Neuropharmacology · 2025Article
- Deletion of β-arrestin 2 in mice affects kappa opioid receptor-mediated behaviors depending on sex, ovariectomy status, and behavioral endpoints.Neuroscience letters · 2025Article
- Limitations and potential of κOR biased agonists for pain and itch management.Neuropharmacology · 2024Review
- ClickArr: a novel, high-throughput assay for evaluating β-arrestin isoform recruitment.Frontiers in pharmacology · 2023Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
The kappa opioid receptor is a known regulator of ethanol consumption, but the molecular mechanisms behind its actions have been underexplored. The scaffolding protein β-arrestin 2 has previously been implicated in driving ethanol consumption at the related delta opioid receptor and has also been suggested to be a driver behind other negative kappa opioid receptor mediated effects. Here, we used kappa opioid agonists with different efficacies for recruiting β-arrestin 2 and knockout animals to determine whether there is a role for β-arrestin 2 in the modulation of voluntary ethanol consumption by the kappa opioid receptor. We find that an agonist with low β-arrestin 2 efficacy more consistently lowers ethanol consumption than agonists with high efficacy for β-arrestin 2. However, knockdown of β-arrestin 2 amplifies the ethanol consumption-promoting effects of the arrestin-recruiting kappa agonists U50,488 and nalfurafine. We control for potentially confounding sedative effects at the kappa opioid receptor and find that β-arrestin 2 is not necessary for kappa opioid receptor-mediated sedation, and that sedation does not correlate with effects on ethanol consumption. Overall, the results suggest a complex relationship between agonist profile, sex, and kappa opioid receptor modulation of ethanol consumption, with little role for kappa opioid receptor-mediated sedation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.