Evidence map›Paper›PMID 29973619›Full record

ArticleScientific reports2018

Dosage compensation and DNA methylation landscape of the X chromosome in mouse liver.

Christopher G Duncan, Sara A Grimm, Daniel L Morgan, Pierre R Bushel, Brian D Bennett, NISC Comparative Sequencing Program, John D Roberts, Frederick L Tyson, B Alex Merrick, Paul A Wade

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
–field-weighted citation impact
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

35 citing papers in PubMed.

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  15. A lifelong duty: how Xist maintains the inactive X chromosome.Current opinion in genetics & development · 2022
    Review
  16. Article
  17. 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

10 authors.

Christopher G DuncanEpigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.ORCID 0000-0001-7205-2414
Sara A GrimmIntegrative Bioinformatics, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
Daniel L MorganDivision of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
Pierre R BushelBiostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
Brian D BennettIntegrative Bioinformatics, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
NISC Comparative Sequencing Program
John D RobertsEpigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
Frederick L TysonDivision of Extramural Research and Training, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
B Alex MerrickDivision of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
Paul A WadeEpigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA. wadep2@niehs.nih.gov.

Funding

Inter- and Intra-Species Comparative SequencingZIBHG000196 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI THOMAS, JAMES · 2009 to 2025
$177.6M
Microarray and Genome InformaticsZIAES102345 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI BUSHEL, ROBERT · 2009 to 2021
$10.8M
Eukaryotic Transcriptional RegulationZ01ES101965 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI WADE, PAUL A · 2005 to 2008
$3.5M
NIEHS/NHGRI Mouse Methylome ProjectZIAES103146 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI WADE, PAUL A · 2012 to 2018
$1.6M
Intramural NIH HHS Z01 ES101965U.S. Department of Health & Human Services | NIH | National Institute of Environmental Health Sciences (NIEHS) ES103146
6 · The paper itself

Abstract

DNA methylation plays a key role in X-chromosome inactivation (XCI), a process that achieves dosage compensation for X-encoded gene products between mammalian female and male cells. However, differential sex chromosome dosage complicates genome-wide epigenomic assessments, and the X chromosome is frequently excluded from female-to-male comparative analyses. Using the X chromosome in the sexually dimorphic mouse liver as a model, we provide a general framework for comparing base-resolution DNA methylation patterns across samples that have different chromosome numbers and ask at a systematic level if predictions by historical analyses of X-linked DNA methylation hold true at a base-resolution chromosome-wide level. We demonstrate that sex-specific methylation patterns on the X chromosome largely reflect the effects of XCI. While our observations concur with longstanding observations of XCI at promoter-proximal CpG islands, we provide evidence that sex-specific DNA methylation differences are not limited to CpG island boundaries. Moreover, these data support a model in which maintenance of CpG islands in the inactive state does not require complete regional methylation. Further, we validate an intragenic non-CpG methylation signature in genes escaping XCI in mouse liver. Our analyses provide insight into underlying methylation patterns that should be considered when assessing sex differences in genome-wide methylation analyses.

Indexed as

DNA MethylationX Chromosome InactivationAnimalsCpG IslandsFemaleLiverMaleMiceMice, Inbred C57BLX Chromosome

Identifiers

PMID29973619
PMCPMC6031675

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Registered trials

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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.