Evidence map›Paper›PMID 29703999›Full record

ArticleNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2018

Amphetamine maintenance differentially modulates effects of cocaine, methylenedioxypyrovalerone (MDPV), and methamphetamine on intracranial self-stimulation and nucleus accumbens dopamine in rats.

Amy R Johnson, Matthew L Banks, Dana E Selley, S Stevens Negus

Open access · bronzeAbstract read
In one paragraph

Article in Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.3field-weighted citation impact, top 23% 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

16 citing papers in PubMed, 20 citations in OpenAlex.

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  14. Review
  15. Interactions between Cocaine and the Putative Allosteric Dopamine Transporter Ligand SRI-31142.The Journal of pharmacology and experimental therapeutics · 2018
    Article
  16. Neuropharmacology of Synthetic Cathinones.Handbook of experimental pharmacology
    Article
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 1 institution in 1 country.

Amy R JohnsonDepartment of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA.
Matthew L BanksDepartment of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA.ORCID http://orcid.org/0000-0003-4949-5246
Dana E SelleyDepartment of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA.
S Stevens NegusDepartment of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA, USA. sidney.negus@vcuhealth.org.
Virginia Commonwealth University · US

Funding

TRAINING IN THE PHARMACOLOGY OF ABUSED DRUGST32DA007027 · NIDA · VIRGINIA COMMONWEALTH UNIVERSITY · PI William L. Dewey · 1985 to 2026
$14.7M
Synthetic cathinones: a new class of illicit drugs affecting DAT & SERTR01DA033930 · NIDA · VIRGINIA COMMONWEALTH UNIVERSITY · PI ELTIT, JOSE MIGUEL, GLENNON, RICHARD A · 2012 to 2016
$2.7M
NIDA NIH HHS R01 DA033930NIDA NIH HHS T32 DA007027
6 · The paper itself

Abstract

Amphetamine maintenance is effective clinically to reduce the consumption of the monoamine uptake inhibitor cocaine but not of the monoamine releaser methamphetamine, and its effectiveness in treating the abuse of other psychostimulants is not known. The mechanisms for differential amphetamine-maintenance effectiveness to treat different types of psychostimulant abuse are also not known. Accordingly, the present study compared the effects of amphetamine maintenance on abuse-related behavioral and neurochemical effects of cocaine, methamphetamine, and the "bath salts" constituent 3,4-methylenedioxypyrovalerone (MDPV) in rats. In behavioral studies, rats were trained to lever press for electrical brain stimulation in an intracranial self-stimulation (ICSS) procedure. In neurochemical studies, nucleus accumbens (NAc) levels of dopamine (DA) and serotonin (5-HT) were monitored by in vivo microdialysis. Cocaine, methamphetamine, and MDPV each produced dose-dependent ICSS facilitation and increases in NAc DA; cocaine and methamphetamine also increased NAc 5-HT. Amphetamine maintenance (0.32 mg/kg/h × 7 days) produced (1) sustained increases in basal ICSS and NAc DA with no change in NAc 5-HT, (2) blockade of cocaine but not methamphetamine effects on ICSS and NAc DA, and (3) no blockade of cocaine- or methamphetamine-induced increases in NAc 5-HT. Amphetamine maintenance blocked the increases in NAc DA produced by the selective DA uptake inhibitor MDPV, but it did not block MDPV-induced ICSS facilitation. These results show different effects of amphetamine maintenance on behavioral and neurochemical effects of different psychostimulants. The selective effectiveness of amphetamine maintenance to treat cocaine abuse may reflect attenuation of cocaine-induced increases in NAc DA while preserving cocaine-induced increases in NAc 5-HT.

Indexed as

AmphetamineAnimalsBenzodioxolesCentral Nervous System AgentsCocaineDopamineMaleMethamphetamineNucleus AccumbensPyrrolidinesRats, Sprague-DawleySelf StimulationSerotoninSynthetic CathinoneAmphetamineBenzodioxolesCentral Nervous System AgentsCocaineDopamineMethamphetaminePyrrolidinesSerotoninSynthetic Cathinone

Identifiers

PMID29703999
PMCPMC6006258
OpenAlexW2802650449

What OpenQuestion holds

Textmetadata
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.