Evidence map›Paper›PMID 34622270›Full record

ArticleThe international journal of neuropsychopharmacology2021

Nicotine Administration Normalizes Behavioral and Neurophysiological Perturbations in the MAM Rodent Model of Schizophrenia.

Jillian J Weeks, Anthony A Grace, Alan F Sved

Open access · goldAbstract read
In one paragraph

Article in The international journal of neuropsychopharmacology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.4field-weighted citation impact, top 40% 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

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. 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

3 authors at 2 institutions in 1 country.

Jillian J WeeksCenter for Neuroscience.
Anthony A GraceCenter for Neuroscience.ORCID 0000-0003-1864-5504
Alan F SvedCenter for Neuroscience.
University of Pittsburgh · USCenter for Neurosciences · US

Funding

Gating of Information Flow Within the Nucleus Accumbens (Supplement)R01MH057440 · NIMH · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI ANTHONY A GRACE · 1997 to 2026
$7.2M
Gating of Information Flow Within the Nucleus AccumbensR37MH057440 · NIMH · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI GRACE, ANTHONY A · 2007 to 2016
$3.3M
NIMH NIH HHS R01 MH057440NIMH NIH HHS R37 MH057440
6 · The paper itself

Abstract

backgroundThe present study utilized the methylazoxymethanol (MAM) neurodevelopmental rodent model of schizophrenia (SCZ) to evaluate the hypothesis that individuals with SCZ smoke in an attempt to "self-medicate" their symptoms through nicotine (NIC) intake.

methodsTo explore this question, we examined the effects of acute and chronic administration of NIC in 2 established behavioral tests known to be disrupted in the MAM model: prepulse inhibition of startle and novel object recognition. Additionally, we assessed the effects of acute and chronic NIC on 2 indices of the pathophysiology of SCZ modeled by MAM, elevated dopamine neuron population activity in the ventral tegmental area and neuronal activity in the ventral hippocampus, using in vivo electrophysiological recordings.

resultsOur findings demonstrated that both acute and chronic administration of NIC significantly improved deficits in prepulse inhibition of startle and novel object recognition among MAM rats and normalized elevated ventral tegmental area and ventral hippocampal neuronal activity in these animals.

conclusionTogether, these findings of NIC-induced improvement of deficits lend support for a "self-medication" hypothesis behind increased cigarette smoking in SCZ and illustrate the potential utility of nicotinic modulation in future pharmacotherapies for certain SCZ symptoms.

Indexed as

AnimalsDisease Models, AnimalDopaminergic NeuronsHippocampusMaleMethylazoxymethanol AcetateNicotinePrepulse InhibitionRatsRats, Sprague-DawleySchizophreniaSelf MedicationVentral Tegmental AreamethylazoxymethanolMethylazoxymethanol AcetateNicotineDopaminenicotineschizophreniaself-medication

Identifiers

PMID34622270
PMCPMC8653870
OpenAlexW3202469816

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.