Evidence map›Paper›PMID 25127741›Full record

ArticleBiological psychiatry2015

Neonatal maternal separation alters the capacity of adult neural precursor cells to differentiate into neurons via methylation of retinoic acid receptor gene promoter.

Shuken Boku, Hiroyuki Toda, Shin Nakagawa, Akiko Kato, Takeshi Inoue, Tsukasa Koyama, Noboru Hiroi, Ichiro Kusumi

Open access · greenAbstract read
In one paragraph

Article in Biological psychiatry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
3.9field-weighted citation impact, top 6% 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

26 citing papers in PubMed, 55 citations in OpenAlex.

  1. Article
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  3. Review
  4. Review
  5. Article
  6. Article
  7. Inhibitors of DNA Methylation.Advances in experimental medicine and biology · 2022
    Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
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  14. Review
  15. Review
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  18. Article
  19. Nuclear receptors in neural stem/progenitor cell homeostasis.Cellular and molecular life sciences : CMLS · 2017
    Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 2 countries.

Shuken BokuDepartment of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, New York; Department of Psychiatry, Hokkaido University School of Medicine, Sapporo. Electronic address: shuboku@gmail.com.
Hiroyuki TodaDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo; Department of Psychiatry, National Defense Medical College, Tokorozawa, Japan.
Shin NakagawaDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo.
Akiko KatoDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo.
Takeshi InoueDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo.
Tsukasa KoyamaDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo.
Noboru HiroiDepartment of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, New York; Dominick Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, New York; Department of Genetics, Albert Einstein College of Medicine, Bronx, New York.
Ichiro KusumiDepartment of Psychiatry, Hokkaido University School of Medicine, Sapporo.
Hokkaido University · JPAlbert Einstein College of Medicine · US

Funding

Postnatal mechanisms of cognitive development in miceR01MH099660 · NIMH · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI Noboru Hiroi · 2013 to 2026
$5.9M
NIMH NIH HHS MH099660NIMH NIH HHS R01 MH099660
6 · The paper itself

Abstract

backgroundEarly life stress is thought to contribute to psychiatric disorders, but the precise mechanisms underlying this link are poorly understood. As neonatal stress decreases adult hippocampal neurogenesis, which, in turn, functionally contributes to many behavioral phenotypes relevant to psychiatric disorders, we examined how in vivo neonatal maternal separation (NMS) impacts the capacity of adult hippocampal neural precursor cells via epigenetic alterations in vitro.

methodsRat pups were separated from their dams for 3 hours daily from postnatal day (PND) 2 to PND 14 or were never separated from the dam (as control animals). We isolated adult neural precursor cells from the hippocampal dentate gyrus at PND 56 and assessed rates of proliferation, apoptosis, and differentiation in cell culture. We also evaluated the effect of DNA methylation at the retinoic acid receptor (RAR) promoter stemming from NMS on adult neural precursor cells.

resultsNMS attenuated neural differentiation of adult neural precursor cells but had no detectible effect on proliferation, apoptosis, or astroglial differentiation. The DNA methyltransferase (DNMT) inhibitor, 5-aza-dC, reversed a reduction by NMS of neural differentiation of adult neural precursor cells. NMS increased DNMT1 expression and decreased expression of RARα. An RARα agonist increased neural differentiation and an antagonist reduced retinoic acid-induced neural differentiation. NMS increased the methylated portion of RARα promoter, and the DNMT inhibitor reversed a reduction by NMS of RARα messenger RNA expression.

conclusionsNMS attenuates the capacity of adult hippocampal neural precursor cells to differentiate into neurons by decreasing expression of RARα through DNMT1-mediated methylation of its promoter.

Indexed as

DNA MethylationMaternal DeprivationPromoter Regions, GeneticAnimalsAnimals, NewbornCells, CulturedDentate GyrusEpigenesis, GeneticFemaleMaleNeural Stem CellsNeurogenesisNeuronsRatsRats, Sprague-DawleyReceptors, Retinoic AcidRara protein, ratReceptors, Retinoic AcidRetinoic Acid Receptor alphaAdult neurogenesisDentate gyrusDNA methylationDNA methyltransferaseMaternal separationRetinoic acid receptor

Identifiers

PMID25127741
PMCPMC5241093
OpenAlexW2031913576

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.