Evidence map›Paper›PMID 22976526›Full record

ArticleEpigenetics2012

Agglomerates of aberrant DNA methylation are associated with toxicant-induced malignant transformation.

Paul L Severson, Erik J Tokar, Lukas Vrba, Michael P Waalkes, Bernard W Futscher

Open access · hybridAbstract read
In one paragraph

Article in Epigenetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.5field-weighted citation impact, top 19% 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

16 citing papers in PubMed, 31 citations in OpenAlex.

  1. Review
  2. The Role of Protocadherin γ in Adult Sensory Neurons and Skin Reinnervation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023
    Article
  3. Environmental exposures, stem cells, and cancer.Pharmacology & therapeutics · 2019
    Review
  4. Article
  5. Review
  6. Aberrant expression and functions of protocadherins in human malignant tumors.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2016
    Review
  7. Maternal cadmium, placental PCDHAC1, and fetal development.Reproductive toxicology (Elmsford, N.Y.) · 2016
    Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. A review of molecular events of cadmium-induced carcinogenesis.Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer · 2014
    Review
  14. Review
  15. Epigenetic changes in carcinogenesis of gallbladder.Indian journal of surgical oncology · 2013
    Review
  16. Article
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

5 authors at 3 institutions in 2 countries.

Paul L SeversonDepartment of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ, USA.
Erik J Tokar
Lukas Vrba
Michael P Waalkes
Bernard W Futscher
University of Arizona · USNational Institute of Environmental Health Sciences · USResearch Triangle Park Foundation · US

Funding

VITAMIN AP30CA023074 · NCI · UNIVERSITY OF ARIZONA · PI Dan Theodorescu · 1985 to 2026
$110.2M
TRANSPORT OF TRACE METALS IN A POLLUTED AQUIFERP42ES004940 · NIEHS · UNIVERSITY OF ARIZONA · PI Jon D Chorover · 1990 to 2026
$68.1M
SOUTHWEST ENVIRONMENTAL HEALTH SCIENCES CENTERP30ES006694 · NIEHS · UNIVERSITY OF ARIZONA · PI DEAN BILLHEIMER · 1994 to 2026
$36.7M
Stem Cell ToxicologyZIAES102925 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI TOKAR, ERIK · 2010 to 2021
$25.3M
Training in Environmental Toxicology of Human DiseaseT32ES007091 · NIEHS · UNIVERSITY OF ARIZONA · PI Nathan J Cherrington · 1985 to 2026
$10.7M
Human Disease and the Interplay Between Genes and the EnvironmentT32ES016652 · NIEHS · UNIVERSITY OF ARIZONA · PI MONKS, TERRENCE J. · 2008 to 2012
$1.1M
NCI NIH HHS CA23074NCI NIH HHS P30 CA023074NIEHS NIH HHS 5T32ES16652-3NIEHS NIH HHS ES006694NIEHS NIH HHS P30 ES006694NIEHS NIH HHS P42 ES004940NIEHS NIH HHS P42 ES04940NIEHS NIH HHS T32 ES007091NIEHS NIH HHS T32 ES016652
6 · The paper itself

Abstract

Epigenetic dysfunction is a known contributor in carcinogenesis, and is emerging as a mechanism involved in toxicant-induced malignant transformation for environmental carcinogens such as arsenicals or cadmium. In addition to aberrant DNA methylation of single genes, another manifestation of epigenetic dysfunction in cancer is agglomerative DNA methylation, which can participate in long-range epigenetic silencing that targets many neighboring genes and has been shown to occur in several types of clinical cancers. Using in vitro model systems of toxicant-induced malignant transformation, we found hundreds of aberrant DNA methylation events that emerge during malignant transformation, some of which occur in an agglomerative fashion. In an arsenite-transformed prostate epithelial cell line, the protocadherin (PCDH), HOXC and HOXD gene family clusters are targeted for agglomerative DNA methylation. The agglomerative DNA methylation changes induced by arsenicals appear to be common and clinically relevant events, since they occur in other human cancer cell lines and models of malignant transformation, as well as clinical cancer specimens. Aberrant DNA methylation in general occurred more often within histone H3 lysine-27 trimethylation stem cell domains. We found a striking association between enrichment of histone H3 lysine-9 trimethylation stem cell domains and toxicant-induced agglomerative DNA methylation, suggesting these epigenetic modifications may become aberrantly linked during malignant transformation. In summary, we found an association between toxicant-induced malignant transformation and agglomerative DNA methylation, which lends further support to the hypothesis that epigenetic dysfunction plays an important role in toxicant-induced malignant transformation.

Indexed as

DNA MethylationAnimalsArsenicCadherinsCarcinomaCell Line, TumorCell Transformation, NeoplasticDNA, NeoplasmEpigenesis, GeneticFemaleGenes, HomeoboxHistonesHumansLysineMaleMiceArsenicCadherinsDNA, NeoplasmHistonesLysine

Identifiers

PMID22976526
PMCPMC3499325
OpenAlexW1970092233

What OpenQuestion holds

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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.