Evidence map›Paper›PMID 18332116›Full record

ArticleMolecular and cellular biology2008

SWI/SNF mediates polycomb eviction and epigenetic reprogramming of the INK4b-ARF-INK4a locus.

Sima Kheradmand Kia, Marcin M Gorski, Stavros Giannakopoulos, C Peter Verrijzer

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 153 papers.

0numbers the graph read from it
0cells of the map it votes in
153citing papers in PubMed
8.1field-weighted citation impact, top 2% 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

153 citing papers in PubMed, 265 citations in OpenAlex.

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  16. (mis)-Targeting of SWI/SNF complex(es) in cancer.Cancer metastasis reviews · 2023
    Review
  17. Article
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93 more citing papers are in PubMed but not listed here.

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

4 authors at 1 institution in 1 country.

Sima Kheradmand KiaDepartment of Biochemistry, Center for Biomedical Genetics, Erasmus University Medical Center, P.O. Box 1738, 3000 DR Rotterdam, The Netherlands.
Marcin M Gorski
Stavros Giannakopoulos
C Peter Verrijzer
Erasmus MC · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Stable silencing of the INK4b-ARF-INK4a tumor suppressor locus occurs in a variety of human cancers, including malignant rhabdoid tumors (MRTs). MRTs are extremely aggressive cancers caused by the loss of the hSNF5 subunit of the SWI/SNF chromatin-remodeling complex. We found previously that, in MRT cells, hSNF5 is required for p16(INK4a) induction, mitotic checkpoint activation, and cellular senescence. Here, we investigated how the balance between Polycomb group (PcG) silencing and SWI/SNF activation affects epigenetic control of the INK4b-ARF-INK4a locus in MRT cells. hSNF5 reexpression in MRT cells caused SWI/SNF recruitment and activation of p15(INK4b) and p16(INK4a), but not of p14(ARF). Gene activation by hSNF5 is strictly dependent on the SWI/SNF motor subunit BRG1. SWI/SNF mediates eviction of the PRC1 and PRC2 PcG silencers and extensive chromatin reprogramming. Concomitant with PcG complex removal, the mixed lineage leukemia 1 (MLL1) protein is recruited and active histone marks supplant repressive ones. Strikingly, loss of PcG complexes is accompanied by DNA methyltransferase DNMT3B dissociation and reduced DNA methylation. Thus, various chromatin states can be modulated by SWI/SNF action. Collectively, these findings emphasize the close interconnectivity and dynamics of diverse chromatin modifications in cancer and gene control.

Indexed as

Epigenesis, GeneticBase SequenceCell Line, TumorChromosomal Proteins, Non-HistoneCyclin-Dependent Kinase Inhibitor p15Cyclin-Dependent Kinase Inhibitor p16DNA-Binding ProteinsDNA HelicasesDNA MethylationDNA, NeoplasmDNA PrimersGene SilencingHumansNuclear ProteinsPolycomb-Group ProteinsPromoter Regions, GeneticCDKN2B protein, humanChromosomal Proteins, Non-HistoneCyclin-Dependent Kinase Inhibitor p15Cyclin-Dependent Kinase Inhibitor p16DNA-Binding ProteinsDNA HelicasesDNA, NeoplasmDNA PrimersNuclear ProteinsPolycomb-Group ProteinsRepressor ProteinsSMARCA4 protein, humanSMARCB1 ProteinSMARCB1 protein, humanTranscription Factors

Identifiers

PMID18332116
PMCPMC2423153
OpenAlexW2095950601

What OpenQuestion holds

Textmetadata
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.