Evidence map›Paper›PMID 30388365›Full record

ArticleACS chemical neuroscience2019

Local μ-Opioid Receptor Antagonism Blunts Evoked Phasic Dopamine Release in the Nucleus Accumbens of Rats.

Alexander Gómez-A, Tatiana A Shnitko, Haley M Barefoot, Eleanor L Brightbill, Leslie A Sombers, Saleem M Nicola, Donita L Robinson

Open access · greenAbstract read
In one paragraph

Article in ACS chemical neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.8field-weighted citation impact, top 34% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 15 citations in OpenAlex.

  1. Review
  2. Article
  3. Ventral tegmental area glutamate neurons establish a mu-opioid receptor gated circuit to mesolimbic dopamine neurons and regulate opioid-seeking behavior.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2023
    Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Alexander Gómez-A
Tatiana A Shnitko
Haley M Barefoot
Eleanor L BrightbillORCID 0000-0003-2324-756X
Leslie A SombersDepartment of Chemistry , North Carolina State University , Raleigh , North Carolina 27607 , United States.ORCID 0000-0002-0978-9795
Saleem M NicolaDominick P. Purpura Department of Neuroscience , Albert Einstein College of Medicine , Bronx , New York 10461 , United States.
Donita L RobinsonORCID 0000-0001-7540-3363
University of North Carolina at Chapel Hill · USAlbert Einstein College of Medicine · USNorth Carolina State University · US

Funding

NUCLEUS ACCUMBENS PROCESSING OF REWARD-PREDICTIVE CUESR01DA019473 · NIDA · ERNEST GALLO CLINIC AND RESEARCH CENTER · PI SALEEM M NICOLA · 2006 to 2026
$8.1M
Neural mechanisms of accumbens-dependent impulsivityR01DA038412 · NIDA · ALBERT EINSTEIN COLLEGE OF MEDICINE, INC · PI NICOLA, SALEEM M · 2014 to 2018
$2.0M
Nucleus accumbens opioid-dependent mechanisms of binge eatingR21MH092757 · NIMH · ALBERT EINSTEIN COLLEGE OF MEDICINE · PI NICOLA, SALEEM M · 2012 to 2013
$450k
Causally connecting neural activity to behavior with caged compoundsR21DA041725 · NIDA · ALBERT EINSTEIN COLLEGE OF MEDICINE, INC · PI NICOLA, SALEEM M · 2016 to 2017
$418k
NIDA NIH HHS R01 DA019473NIDA NIH HHS R01 DA038412NIDA NIH HHS R21 DA041725NIMH NIH HHS R21 MH092757
6 · The paper itself

Abstract

μ-opioid receptors (MORs) in the nucleus accumbens (NAc) can regulate reward-related behaviors that are dependent on mesolimbic dopamine, but the precise mechanism of this MOR regulation is unknown. We hypothesized that MORs within the NAc core regulate dopamine release. Specifically, we infused the MOR antagonist CTAP (d-Phe-Cys-Tyr-d-Trp-Arg-Thr-Pen-Thr-NH2) into the NAc core while dopamine release was evoked by electrical stimulation of the ventral tegmental area and measured by fast-scan cyclic voltammetry. We report that CTAP dose-dependently inhibited evoked dopamine release, with full blockade achieved with the 8 μg infusion. In contrast, evoked dopamine release increased after nomifensine infusion and was unchanged after vehicle infusion. These findings demonstrate profound local control of dopamine release by MORs within the NAc core, which has implications for regulation of reward processing.

Indexed as

AnimalsDopamineDopamine Uptake InhibitorsDose-Response Relationship, DrugInfusions, IntraventricularMaleNarcotic AntagonistsNucleus AccumbensPeptide FragmentsRatsRats, Long-EvansReceptors, Opioid, muSomatostatinCTAP octapeptideDopamineDopamine Uptake InhibitorsNarcotic AntagonistsPeptide FragmentsReceptors, Opioid, muSomatostatinaccumbensdopamineelectrochemistrylocal infusionphasicμ-opioid receptor

Identifiers

PMID30388365
PMCPMC6677254
OpenAlexW2898676450

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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 OpenQuestion graph.