Cited by 53Treatment of Major DepressionNeurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

Quetiapine treatment reverses depressive-like behavior and reduces DNA methyltransferase activity induced by maternal deprivation

Open access
Ignácio, Zuleide M., Réus, Gislaine Z., Abelaira, Helena M., Maciel, Amanda L., de Moura, Airam B., Matos, Danyela, Demo, Júlia P., da Silva, Júlia B.I. +4 more·2017·Behavioural Brain Research

Abstract

Stress in early life has been appointed as an important phenomenon in the onset of depression and poor response to treatment with classical antidepressants. Furthermore, childhood trauma triggers epigenetic changes, which are associated with the pathophysiology of major depressive disorder (MDD). Treatment with atypical antipsychotics such as quetiapine, exerts therapeutic effect for MDD patients and induces epigenetic changes. This study aimed to analyze the effect of chronic treatment with quetiapine (20mg/kg) on depressive-like behavior of rats submitted to maternal deprivation (MD), as well as the activity of histone acetylation by the enzymes histone acetyl transferases (HAT) and deacetylases (HDAC) and DNA methylation, through DNA methyltransferase enzyme (DNMT) in the prefrontal cortex (PFC), nucleus accumbens (NAc) and hippocampus. Maternally deprived rats had a depressive-like behavior in the forced swimming test and an increase in the HDAC and DNMT activities in the hippocampus and NAc. Treatment with quetiapine reversed depressive-like behavior and reduced the DNMT activity in the hippocampus. This is the first study to show the antidepressant-like effect of quetiapine in animals subjected to MD and a protective effect by quetiapine in reducing epigenetic changes induced by stress in early life. These results reinforce an important role of quetiapine as therapy for MDD.

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Crossref · 10.1016/j.bbr.2016.11.044

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  • Stressful events in childhood, adolescence, or adulthood can trigger psychiatric disorders such as depression.

    “Stressful events in childhood, adolescence, or adulthood are considered villains due to their ability to trigger psychiatric disorders, such as depression or depressive-like behaviors in animals [3],[4].”
  • Chronic stress throughout life involves biological changes that underlie MDD in many patients and in laboratory animals.

    “Chronic stress throughout life involves several biological changes, which are underlying MDD in many patients and in laboratory animals [4],[6],[9].”

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Authors
Ignácio, Z. M., Réus, G. Z., Abelaira, H. M., Maciel, A. L., de Moura, A. B., Matos, D., Demo, J. P., da Silva, J. B. I., Gava, F. F., Valvassori, S. S., Carvalho, A. F., & Quevedo, J.
Affiliations
  • Universidade Federal da Fronteira Sul (BR)
  • Universidade do Sul de Santa Catarina (BR)
  • Universidade do Extremo Sul Catarinense (BR)
Corresponding author
Réus, Gislaine Z.
Venue
Behavioural Brain Research
Publisher
Elsevier BV
Published
2017-03
Volume
320
Pages
225-232
ISSN
0166-4328 (ISSN-L)
OpenAlex
W2557438856
Cited by
53
References
73
Citations by year
2026: 1 · 2025: 6 · 2024: 2 · 2023: 3 · 2022: 6 · 2021: 10 · 2020: 5 · 2019: 6 · 2018: 8 · 2017: 5 · 2014: 1
FWCI
5.13
Type
journal article
Language
en
Open access
Locations
  • Behavioural Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
Funders
  • Department of Psychiatry and Behavioral Sciences
  • McGovern Medical School
  • The University of Texas Health Science Center at Houston
  • CNPq
  • FAPESC
  • Instituto Cérebro e Mente
  • UNESC
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
quetiapine, maternal deprivation, major depressive disorder, DNA methylation, histone acetylation, histone deacetylase, histone acetyltransferase, DNA methyltransferases, early life stress, antidepressant-like effects, atypical antipsychotics, hippocampus, nucleus accumbens, prefrontal cortex, forced swim test
MeSH terms
Quetiapine Fumarate, DNA (Cytosine-5-)-Methyltransferase 1, Analysis of Variance, Animals, Antidepressive Agents, Anxiety Disorders, Brain, Exploratory Behavior, Female, Histone Deacetylases, Male, Maternal Deprivation, Pregnancy, Swimming, Rats, Wistar, DNA Methylation, Immobility Response, Tonic, Rats, Histone Acetyltransferases

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