Evidence map›Paper›PMID 29991943›Full record

ArticleNeural plasticity2018

Effects of Antipsychotic Drugs on the Epigenetic Modification of Brain-Derived Neurotrophic Factor Gene Expression in the Hippocampi of Chronic Restraint Stress Rats.

Mi Kyoung Seo, Young Hoon Kim, Roger S McIntyre, Rodrigo B Mansur, Yena Lee, Nicole E Carmona, Ah Jeong Choi, Gyung-Mee Kim, Jung Goo Lee, Sung Woo Park

Open access · goldAbstract read
In one paragraph

Article in Neural plasticity, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
1.1field-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

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Epigenetic mechanisms of HIV and opioid-induced neuropathology: Potential therapies and interventions.Molecular therapy : the journal of the American Society of Gene Therapy · 2025
    Review
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  18. Skeletal muscle DNA methylation modifications and psychopharmacologic treatment in bipolar disorder.European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology · 2019
    Article
  19. Article
  20. 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

10 authors at 5 institutions in 2 countries.

Mi Kyoung SeoPaik Institute for Clinical Research, Inje University, Busan, Republic of Korea.
Young Hoon KimDepartment of Psychiatry, Gongju National Hospital, Gongju, Republic of Korea.
Roger S McIntyreMood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON, Canada.
Rodrigo B MansurMood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON, Canada.
Yena LeeMood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON, Canada.
Nicole E CarmonaMood Disorders Psychopharmacology Unit, University Health Network, University of Toronto, Toronto, ON, Canada.
Ah Jeong ChoiPaik Institute for Clinical Research, Inje University, Busan, Republic of Korea.
Gyung-Mee KimDepartment of Psychiatry, College of Medicine, Haeundae Paik Hospital, Inje University, Busan, Republic of Korea.
Jung Goo LeePaik Institute for Clinical Research, Inje University, Busan, Republic of Korea.ORCID 0000-0003-3393-2667
Sung Woo ParkPaik Institute for Clinical Research, Inje University, Busan, Republic of Korea.ORCID 0000-0001-8601-9084
University Health Network · CAInje University · KRInje University Busan Paik Hospital · KRGongju National Hospital · KRInje University Haeundae Paik Hospital · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Recent studies have shown that antipsychotic drugs have epigenetic effects. However, the effects of antipsychotic drugs on histone modification remain unclear. Therefore, we investigated the effects of antipsychotic drugs on the epigenetic modification of the BDNF gene in the rat hippocampus. Rats were subjected to chronic restraint stress (6 h/d for 21 d) and then were administered with either olanzapine (2 mg/kg) or haloperidol (1 mg/kg). The levels of histone H3 acetylation and MeCP2 binding at BDNF promoter IV were assessed with chromatin immunoprecipitation assays. The mRNA levels of total BDNF with exon IV, HDAC5, DNMT1, and DNMT3a were assessed with a quantitative RT-PCR procedure. Chronic restraint stress resulted in the downregulation of total and exon IV BDNF mRNA levels and a decrease in histone H3 acetylation and an increase in MeCP2 binding at BDNF promoter IV. Furthermore, there were robust increases in the expression of HDAC5 and DNMTs. Olanzapine administration largely prevented these changes. The administration of haloperidol had no effect. These findings suggest that the antipsychotic drug olanzapine induced histone modification of BDNF gene expression in the hippocampus and that these epigenetic alterations may represent one of the mechanisms underlying the actions of antipsychotic drugs.

Indexed as

AnimalsAntipsychotic AgentsBrain-Derived Neurotrophic FactorChronic DiseaseEpigenesis, GeneticGene ExpressionHippocampusMaleOlanzapineRatsRats, Sprague-DawleyRestraint, PhysicalStress, PsychologicalAntipsychotic AgentsBdnf protein, ratBrain-Derived Neurotrophic FactorOlanzapine

Identifiers

PMID29991943
PMCPMC6016229
OpenAlexW2808245579

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.