Evidence map›Paper›PMID 19486648›Full record

ArticleBrain, behavior, and immunity2009

The glial activation inhibitor AV411 reduces morphine-induced nucleus accumbens dopamine release.

Sondra T Bland, Mark R Hutchinson, Steven F Maier, Linda R Watkins, Kirk W Johnson

Open access · greenAbstract read
In one paragraph

Article in Brain, behavior, and immunity, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
2.3field-weighted citation impact, top 12% 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

62 citing papers in PubMed, 152 citations in OpenAlex.

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  5. Effects of Ibudilast on the Subjective, Reinforcing, and Analgesic Effects of Oxycodone in Recently Detoxified Adults with Opioid Dependence.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2017
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2 more citing papers are in PubMed but not listed here.

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

5 authors at 3 institutions in 2 countries.

Sondra T BlandDepartment of Psychology & Center for Neuroscience, Campus Box 345, University of Colorado at Boulder, Boulder, CO 80309-0345, USA. sondra.bland@colorado.edu
Mark R Hutchinson
Steven F Maier
Linda R Watkins
Kirk W Johnson
University of Colorado Boulder · USEpigen Biosciences (United States) · USUniversity of Adelaide · AU

Funding

STRESSOR CONTROLLABILITY, DRUGS OF ABUSE, AND SEROTONINR01DA013159 · NIDA · UNIVERSITY OF COLORADO AT BOULDER · PI MAIER, STEVEN F · 2001 to 2010
$3.1M
Exploring the Potential of Glia for Regulating Clinically Relevant Opiod ActionsR01DA023132 · NIDA · UNIVERSITY OF COLORADO · PI WATKINS, LINDA · 2008 to 2012
$1.9M
Optoid Analgesics: Modulation of Trigeminal & Spinal Glial ActivationR01DE017782 · NIDCR · UNIVERSITY OF COLORADO · PI WATKINS, LINDA · 2006 to 2010
$1.9M
Immune/Glial Mediation of Exaggerated Pain StatesK02DA015642 · NIDA · UNIVERSITY OF COLORADO AT BOULDER · PI WATKINS, LINDA · 2003 to 2007
$600k
NIDA NIH HHS DA013159NIDA NIH HHS DA015642NIDA NIH HHS K02 DA015642NIDA NIH HHS R01 DA013159NIDA NIH HHS R01 DA023132NIDCR NIH HHS DE017782NIDCR NIH HHS R01 DE017782
6 · The paper itself

Abstract

Glial activation has recently been discovered to modulate several effects of morphine, including analgesia, tolerance, and dependence. The present studies extend this line of investigation by exploring whether glial activation may also affect extracellular levels of dopamine (DA) in the nucleus accumbens (NAc) shell, a neurochemical corollary of morphine-induced drug reward, during a challenge dose of morphine in experiments both with and without precipitated withdrawal. Morphine or vehicle was administered s.c. for 4 days (starting at 15 mg/kg/day up to 20 mg/kg/day), and the glial activation inhibitor AV411 (7.5 mg/kg) or vehicle was administered twice daily. A challenge dose of morphine (22.5 mg/kg) or saline was then given during dialysis. In the first experiment, naloxone (10 mg/kg) was administered 1h after morphine during dialysis in AV411- or vehicle-treated rats, and behavioral signs of somatic withdrawal were assessed during microdialysis. In the second experiment, using the same dosing regimen, sampling continued 3 h after morphine or saline in AV411- or vehicle-treated rats. NAc DA increased in vehicle-treated rats significantly more than in AV411-treated rats before naloxone treatment, and withdrawal symptoms were significantly reduced in AV411-treated rats. The decrease in morphine-induced NAc DA by AV411 was persistent, lasting 3+h post-morphine. These results indicate that glial activation contributes to the effects of morphine on NAc DA, which is associated with somatic signs of precipitated withdrawal.

Indexed as

Analysis of VarianceAnimalsBehavior, AnimalChromatography, High Pressure LiquidDopamineDrug Administration ScheduleIndolizinesInjections, IntraperitonealMaleMicrodialysisMorphineMorphine DependenceNaloxoneNarcotic AntagonistsNarcoticsNeurogliaDopamineibudilastIndolizinesMorphineNaloxoneNarcotic AntagonistsNarcoticsPyrazolesPyridines

Identifiers

PMID19486648
PMCPMC2783267
OpenAlexW2105495527

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.