Evidence map›Paper›PMID 34824385›Full record

ArticleCommunications biology2021

Large-scale DNA demethylation occurs in proliferating ovarian granulosa cells during mouse follicular development.

Tomoko Kawai, JoAnne S Richards, Masayuki Shimada

Open access · goldAbstract read
In one paragraph

Article in Communications biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

21 citing papers in PubMed, 28 citations in OpenAlex.

  1. Aberrant DNMTs Promote TXNIP Upregulation and Ovarian Fibrosis in PCOS.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
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  2. Review
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  6. TET1 overexpression affects cell proliferation and apoptosis in aging ovaries.Journal of assisted reproduction and genetics · 2024
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  15. Cells · 2023
    Article
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  17. Review
  18. Article
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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 2 countries.

Tomoko KawaiLaboratory of Reproductive Biology, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan.
JoAnne S RichardsDepartment of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA.
Masayuki ShimadaLaboratory of Reproductive Biology, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Japan. mashimad@hiroshima-u.ac.jp.ORCID http://orcid.org/0000-0002-6500-2088
Hiroshima University · JPBaylor College of Medicine · US

Funding

MEXT | Japan Society for the Promotion of Science (JSPS) JP19H03108
6 · The paper itself

Abstract

During ovarian follicular development, granulosa cells proliferate and progressively differentiate to support oocyte maturation and ovulation. To determine the underlying links between proliferation and differentiation in granulosa cells, we determined changes in 1) the expression of genes regulating DNA methylation and 2) DNA methylation patterns, histone acetylation levels and genomic DNA structure. In response to equine chorionic gonadotropin (eCG), granulosa cell proliferation increased, DNA methyltransferase (DNMT1) significantly decreased and Tet methylcytosine dioxygenase 2 (TET2) significantly increased in S-phase granulosa cells. Comprehensive MeDIP-seq analyses documented that eCG treatment decreased methylation of promoter regions in approximately 40% of the genes in granulosa cells. The expression of specific demethylated genes was significantly increased in association with specific histone modifications and changes in DNA structure. These epigenetic processes were suppressed by a cell cycle inhibitor. Based on these results, we propose that the timing of sequential epigenetic events is essential for progressive, stepwise changes in granulosa cell differentiation.

Indexed as

Cell DifferentiationCell ProliferationDNA DemethylationAnimalsFemaleGranulosa CellsMiceOvarian Follicle

Identifiers

PMID34824385
PMCPMC8617273
OpenAlexW3216278269

What Socratic 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 Socratic graph.