Evidence map›Paper›PMID 19151716›Full record

ArticleNature genetics2009

Large histone H3 lysine 9 dimethylated chromatin blocks distinguish differentiated from embryonic stem cells.

Bo Wen, Hao Wu, Yoichi Shinkai, Rafael A Irizarry, Andrew P Feinberg

Open access · greenAbstract readValidation Study
In one paragraph

Article in Nature genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 361 papers.

0numbers the graph read from it
0cells of the map it votes in
361citing papers in PubMed
20.0field-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

361 citing papers in PubMed, 611 citations in OpenAlex.

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  19. Identification of chromatin-associated RNAs at human centromeres.bioRxiv : the preprint server for biology · 2025
    Article
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301 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 2 countries.

Bo WenCenter for Epigenetics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.
Hao Wu
Yoichi Shinkai
Rafael A Irizarry
Andrew P Feinberg
Johns Hopkins Medicine · USKyoto University · JP

Funding

Minority Action PlanP50HG003233 · NHGRI · JOHNS HOPKINS UNIVERSITY · PI FEINBERG, ANDREW P. · 2004 to 2013
$22.4M
MOLECULAR PATHOLOGY OF WILMS TUMOR RELATED GENES 11PR01CA054358 · NCI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI ANDREW P. FEINBERG · 1991 to 2026
$5.5M
Preprocessing and Analysis Tools for High-Throughput TechnologiesR01GM083084 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI IRIZARRY, RAFAEL ANGEL · 2007 to 2018
$4.4M
BWS and Embryonal Tumor Suppressor Genes on 11p15R37CA054358 · NCI · JOHNS HOPKINS UNIVERSITY · PI FEINBERG, ANDREW P. · 2001 to 2009
$4.0M
Software for the Statistical Analysis of Microarray Probe Level DataR01RR021967 · NCRR · JOHNS HOPKINS UNIVERSITY · PI IRIZARRY, RAFAEL ANGEL · 2007 to 2011
$1.2M
NCI NIH HHS R01 CA054358NCI NIH HHS R37 CA054358NCRR NIH HHS R01 RR021967NHGRI NIH HHS P50 HG003233NHGRI NIH HHS P50HG003233NIGMS NIH HHS R01 GM083084
6 · The paper itself

Abstract

Higher eukaryotes must adapt a totipotent genome to specialized cell types with stable but limited functions. One potential mechanism for lineage restriction is changes in chromatin, and differentiation-related chromatin changes have been observed for individual genes. We have taken a genome-wide view of histone H3 lysine 9 dimethylation (H3K9Me2) and find that differentiated tissues show surprisingly large K9-modified regions (up to 4.9 Mb). These regions are highly conserved between human and mouse and are differentiation specific, covering only approximately 4% of the genome in undifferentiated mouse embryonic stem (ES) cells, compared to 31% in differentiated ES cells, approximately 46% in liver and approximately 10% in brain. These modifications require histone methyltransferase G9a and are inversely related to expression of genes within the regions. We term these regions large organized chromatin K9 modifications (LOCKs). LOCKs are substantially lost in cancer cell lines, and they may provide a cell type-heritable mechanism for phenotypic plasticity in development and disease.

Indexed as

Cell DifferentiationAnimalsBrainCells, CulturedChromosome MappingEmbryonic Stem CellsGene Knockdown TechniquesHCT116 CellsHeLa CellsHistone-Lysine N-MethyltransferaseHistone MethyltransferasesHistonesHumansLiverLysineMiceHistone-Lysine N-MethyltransferaseHistone MethyltransferasesHistonesLysineProtein Methyltransferases

Identifiers

PMID19151716
PMCPMC2632725
OpenAlexW2091884937

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.