Evidence map›Paper›PMID 25358851›Full record

ArticlePsychopharmacology2015

The effects of post-extinction exercise on cocaine-primed and stress-induced reinstatement of cocaine seeking in rats.

Yvonne E Ogbonmwan, Jason P Schroeder, Philip V Holmes, David Weinshenker

Open access · greenAbstract read
In one paragraph

Article in Psychopharmacology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.1field-weighted citation impact, top 14% 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

21 citing papers in PubMed, 31 citations in OpenAlex.

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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

4 authors at 2 institutions in 1 country.

Yvonne E OgbonmwanNeuroscience Graduate Program, Emory University, Atlanta, GA, 30322, USA.
Jason P Schroeder
Philip V Holmes
David Weinshenker
Emory University · USUniversity of Georgia · US

Funding

Training Program in Neurobiology of Drug AbuseT32DA015040 · NIDA · EMORY UNIVERSITY · PI KUHAR, MICHAEL J · 2003 to 2012
$3.6M
Effects of voluntary exercise on reinstatement of cocaine seekingR01DA027535 · NIDA · EMORY UNIVERSITY · PI HOLMES, PHILIP V, WEINSHENKER, DAVID · 2010 to 2014
$1.9M
Identification of mechanisms underlying reduction of cocaine seeking by exerciseF31DA033091 · NIDA · EMORY UNIVERSITY · PI OGBONMWAN, YVONNE ENIYE · 2012 to 2014
$88k
NIDA NIH HHS DA015040NIDA NIH HHS DA027535NIDA NIH HHS DA033091NIDA NIH HHS F31 DA033091NIDA NIH HHS R01 DA027535NIDA NIH HHS T32 DA015040
6 · The paper itself

Abstract

rationaleVoluntary aerobic exercise has shown promise as a treatment for substance abuse, reducing relapse in cocaine-dependent people. Wheel running also attenuates drug-primed and cue-induced reinstatement of cocaine seeking in rats, an animal model of relapse. However, in most of these studies, wheel access was provided throughout cocaine self-administration and/or extinction and had effects on several parameters of drug seeking. Moreover, the effects of exercise on footshock stress-induced reinstatement have not been investigated.

objectivesThe purposes of this study were to isolate and specifically examine the protective effect of exercise on relapse-like behavior elicited by a drug prime or stress.

methodsRats were trained to self-administer cocaine at a stable level, followed by extinction training. Once extinction criteria were met, rats were split into exercise (24 h, continuous access to running wheel) and sedentary groups for 3 weeks, after which, drug-seeking behavior was assessed following a cocaine prime or footshock. We also measured galanin messenger RNA (mRNA) in the locus coeruleus and A2 noradrenergic nucleus.

resultsExercising rats ran ∼4-6 km/day, comparable to levels previously reported for rats without a history of cocaine self-administration. Post-extinction exercise significantly attenuated cocaine-primed, but not footshock stress-induced, reinstatement of cocaine seeking, and increased galanin mRNA expression in the LC but not A2.

conclusionThese results indicate that chronic wheel running can attenuate some forms of reinstatement, even when initiated after the cessation of cocaine self-administration, supporting the idea that voluntary exercise programs may help maintain abstinence in clinical populations.

Indexed as

Extinction, PsychologicalAnimalsBehavior, AddictiveCocaineCocaine-Related DisordersMaleMotor ActivityPhysical Conditioning, AnimalRatsRats, Sprague-DawleySelf AdministrationStress, PsychologicalCocaine

Identifiers

PMID25358851
PMCPMC4388768
OpenAlexW2094209254

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Registered trials

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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.