Evidence map›Paper›PMID 25001958›Full record

ArticlePsychoneuroendocrinology2014

Alterations in dopamine system function across the estrous cycle of the MAM rodent model of schizophrenia.

Stephanie M Perez, Li Chen, Daniel J Lodge

Abstract read
In one paragraph

Article in Psychoneuroendocrinology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
1.0field-weighted citation impact, top 25% 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

27 citing papers in PubMed, 40 citations in OpenAlex.

  1. Article
  2. Article
  3. Estrous cycle stage gates the effect of stress on reward learning.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
    Article
  4. Article
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  6. Article
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  10. Sex Differences in Psychosis: Focus on Animal Models.Current topics in behavioral neurosciences · 2023
    Review
  11. Medial septum activation improves strategy switching once strategies are well-learned via bidirectional regulation of dopamine neuron population activity.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2022
    Article
  12. Article
  13. Article
  14. Article
  15. The mGluR2/3 agonist pomaglumetad methionil normalizes aberrant dopamine neuron activity via action in the ventral hippocampus.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2020
    Article
  16. Article
  17. Postpartum changes in affect-related behavior and VTA dopamine neuron activity in rats.Progress in neuro-psychopharmacology & biological psychiatry · 2020
    Article
  18. Article
  19. Article
  20. State-dependent effects of the DNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2019
    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

3 authors at 1 institution in 2 countries.

Stephanie M PerezDepartment of Pharmacology & Center for Biomedical Neuroscience, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA.
Li ChenDepartment of Pharmacology & Center for Biomedical Neuroscience, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA; Departments of Physiology and Pathophysiology, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Daniel J LodgeDepartment of Pharmacology & Center for Biomedical Neuroscience, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA. Electronic address: LodgeD@uthscsa.edu.
The University of Texas Health Science Center at San Antonio · US

Funding

Regulation of ventral hippocampal system functionR01MH090067 · NIMH · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI LODGE, DANIEL · 2010 to 2019
$3.5M
Restoration of GABAergic function in a Rodent Model of SchizophreniaF31MH098564 · NIMH · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI PEREZ, STEPHANIE MARIE · 2013 to 2014
$32k
NIMH NIH HHS F31 MH098564NIMH NIH HHS R01 MH090067
6 · The paper itself

Abstract

Clinical studies have reported differences in the incidence and severity of schizophrenia symptoms between male and female schizophrenia patients. Unfortunately, the cause of these differences is not currently known due, in part, to the fact that preclinical studies largely focus on male subjects. Dopamine neuron activity has been previously demonstrated to change across the estrous cycle, and may therefore be of relevance, as aberrant dopamine signaling is thought to underlie the positive symptoms of schizophrenia. Here we examine dopamine neuron activity across the estrous cycle in the MAM rodent model of schizophrenia. We demonstrate that the elevation in dopamine neuron activity, consistently observed in male MAM-treated rats, is most prominent during estrus and attenuated in met-estrus. Furthermore, this appears to be mediated, in part, by progesterone in the ventral hippocampus, as increases in dopamine neuron population activity (observed in estrus) were normalized by the intra-hippocampal administration of the progesterone receptor antagonist, mifepristone (but not the estrogen receptor antagonists, fulvestrant). Taken together, these data suggest that changes in dopamine system function occur across the estrous cycle in MAM-treated rats and may contribute to the differences in symptomatology between male and female schizophrenia patients.

Indexed as

Disease Models, AnimalMethylazoxymethanol AcetateRats, Sprague-DawleyAnimalsDopamineDopaminergic NeuronsEstrous CycleFemaleHumansMalePregnancyRatsSchizophreniaSignal TransductionVaginal SmearsDopamineMethylazoxymethanol AcetateDopamineEstrous cycleHippocampusProgesteroneSchizophrenia

Identifiers

PMID25001958
PMCPMC4106681
OpenAlexW2041202755

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.