Evidence map›Paper›PMID 20188665›Full record

ArticleMolecular cell2010

Neuronal MeCP2 is expressed at near histone-octamer levels and globally alters the chromatin state.

Peter J Skene, Robert S Illingworth, Shaun Webb, Alastair R W Kerr, Keith D James, Daniel J Turner, Rob Andrews, Adrian P Bird

Open access · bronzeAbstract read
In one paragraph

Article in Molecular cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 430 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
430citing papers in PubMed, 2 pooled it
42.2field-weighted citation impact, top 1% 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

430 citing papers in PubMed, 2 syntheses or guidelines pooled it, 703 citations in OpenAlex.

  1. Variable expression ofProceedings of the National Academy of Sciences of the United States of America · 2024
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370 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 1 country.

Peter J SkeneWellcome Trust Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3JR, UK.
Robert S Illingworth
Shaun Webb
Alastair R W Kerr
Keith D James
Daniel J Turner
Rob Andrews
Adrian P Bird
Wellcome Centre for Cell Biology · GBWellcome Sanger Institute · GB

Funding

Wellcome Trust 077224Wellcome Trust 079643
6 · The paper itself

Abstract

MeCP2 is a nuclear protein with an affinity for methylated DNA that can recruit histone deacetylases. Deficiency or excess of MeCP2 causes severe neurological problems, suggesting that the number of molecules per cell must be precisely regulated. We quantified MeCP2 in neuronal nuclei and found that it is nearly as abundant as the histone octamer. Despite this high abundance, MeCP2 associates preferentially with methylated regions, and high-throughput sequencing showed that its genome-wide binding tracks methyl-CpG density. MeCP2 deficiency results in global changes in neuronal chromatin structure, including elevated histone acetylation and a doubling of histone H1. Neither change is detectable in glia, where MeCP2 occurs at lower levels. The mutant brain also shows elevated transcription of repetitive elements. Our data argue that MeCP2 may not act as a gene-specific transcriptional repressor in neurons, but might instead dampen transcriptional noise genome-wide in a DNA methylation-dependent manner.

Indexed as

Protein MultimerizationAnimalsBrainCell NucleusChromatinCpG IslandsDNA MethylationGenomeHistonesMethyl-CpG-Binding Protein 2MiceMice, Inbred C57BLMice, KnockoutNeuronsNucleosomesProtein BindingChromatinHistonesMecp2 protein, mouseMethyl-CpG-Binding Protein 2Nucleosomes

Identifiers

PMID20188665
PMCPMC4338610
OpenAlexW2001936578

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.