Evidence map›Paper›PMID 23034137›Full record

ArticleGenome biology2012

Epigenetic interplay between mouse endogenous retroviruses and host genes.

Rita Rebollo, Katharine Miceli-Royer, Ying Zhang, Sharareh Farivar, Liane Gagnier, Dixie L Mager

Open access · goldAbstract read
In one paragraph

Article in Genome biology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
2.7field-weighted citation impact, top 9% 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

45 citing papers in PubMed, 75 citations in OpenAlex.

  1. Article
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  7. Review
  8. Review
  9. Human Endogenous Retroviruses in Diseases.Sub-cellular biochemistry · 2023
    Article
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  11. Review
  12. Review
  13. Article
  14. Review
  15. Article
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  17. Article
  18. Transposable elements as a potent source of diversePhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020
    Review
  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

6 authors at 1 institution in 1 country.

Rita Rebollo
Katharine Miceli-Royer
Ying Zhang
Sharareh Farivar
Liane Gagnier
Dixie L Mager
BC Cancer Agency · CA

Funding

Canadian Institutes of Health Research
6 · The paper itself

Abstract

backgroundTransposable elements are often the targets of repressive epigenetic modifications such as DNA methylation that, in theory, have the potential to spread toward nearby genes and induce epigenetic silencing. To better understand the role of DNA methylation in the relationship between transposable elements and genes, we assessed the methylation state of mouse endogenous retroviruses (ERVs) located near genes.

resultsWe found that ERVs of the ETn/MusD family show decreased DNA methylation when near transcription start sites in tissues where the nearby gene is expressed. ERVs belonging to the IAP family, however, are generally heavily methylated, regardless of the genomic environment and the tissue studied. Furthermore, we found full-length ETn and IAP copies that display differential DNA methylation between their two long terminal repeats (LTRs), suggesting that the environment surrounding gene promoters can prevent methylation of the nearby LTR. Spreading from methylated ERV copies to nearby genes was rarely observed, with the regions between the ERVs and genes apparently acting as a boundary, enriched in H3K4me3 and CTCF, which possibly protects the unmethylated gene promoter. Furthermore, the flanking regions of unmethylated ERV copies harbor H3K4me3, consistent with spreading of euchromatin from the host gene toward ERV insertions.

conclusionsWe have shown that spreading of DNA methylation from ERV copies toward active gene promoters is rare. We provide evidence that genes can be protected from ERV-induced heterochromatin spreading by either blocking the invasion of repressive marks or by spreading euchromatin toward the ERV copy.

Indexed as

DNA MethylationTerminal Repeat SequencesAnimalsChromatinDNA, ViralEndogenous RetrovirusesEpigenesis, GeneticMiceMice, Inbred C57BLPromoter Regions, GeneticChromatinDNA, Viral

Identifiers

PMID23034137
PMCPMC3491417
OpenAlexW2149170785

What OpenQuestion holds

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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.