Evidence map›Paper›PMID 21692051›Full record

ArticleCancer2011

CpG island methylation profiling in human salivary gland adenoid cystic carcinoma.

Achim Bell, Diana Bell, Randal S Weber, Adel K El-Naggar

Open access · bronzeAbstract read
In one paragraph

Article in Cancer, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.

0numbers the graph read from it
0cells of the map it votes in
79citing papers in PubMed
4.7field-weighted citation impact, top 4% 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

79 citing papers in PubMed, 141 citations in OpenAlex.

  1. Trial
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  14. Reduced expression ofFrontiers in endocrinology · 2024
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  20. Article

19 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 2 institutions in 1 country.

Achim BellDepartment of Pathology and Cancer Institute, The University of Mississippi Medical Center, Jackson, Mississippi, USA. abell2@umc.edu
Diana Bell
Randal S Weber
Adel K El-Naggar
The University of Texas MD Anderson Cancer Center · USUniversity of Mississippi Medical Center · US

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Scott Kopetz · 1985 to 2026
$290.8M
Molecular and Epidemiologic Characterization of Salivary Gland CarcinomasU01DE019765 · NIDCR · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI EL-NAGGAR, ADEL K. · 2009 to 2013
$6.9M
NCI NIH HHS CA-16672NCI NIH HHS P30 CA016672NIDCR NIH HHS U01DE019756NIDCR NIH HHS U01 DE019765
6 · The paper itself

Abstract

backgroundDNA methylation is a fundamental epigenetic event associated with physiologic and pathologic conditions, including cancer. Hypermethylation of CpG islands at active gene promoters leads to transcriptional repression, whereas hypomethylation is associated with gene overexpression. The aim of this study was to identify genes in adenoid cystic carcinoma (ACC) of salivary gland strongly deregulated by epigenetic CpG island methylation, to validate selected genes by conventional techniques, and to correlate the findings with clinicopathologic factors.

methodsThe authors analyzed 16 matched normal and tumor tissues for aberrant DNA methylation using the methylated CpG island amplification and microarray method and the pyrosequencing technique.

resultsMicroarray analysis showed hypomethylation in 7 and hypermethylation in 32 CpG islands. Hypomethylation was identified in CpG islands near FBXO17, PHKG1, LOXL1, DOCK1, and PARVG. Hypermethylation was identified near genes encoding predominantly transcription factors (EN1, FOXE1, GBX2, FOXL1, TBX4, MEIS1, LBX2, NR2F2, POU3F3, IRX3, TFAP2C, NKX2-4, PITX1, NKX2-5), and 13 genes with different functions (MT1H, EPHX3, AQPEP, BCL2L11, SLC35D3, S1PR5, PNLIPRP1, CLIC6, RASAL, XRN2, GSTM5, FNDC1, INSRR). Four CpG islands by EN1, FOXE1, TBX4, and PITX1 were validated by pyrosequencing.

conclusionsThe highly methylated genes in tumor versus normal tissue are linked to developmental, apoptotic, and other fundamental cellular pathways, suggesting that down-regulation of these genes is associated with ACC development and progression. With EN1 hypermethylation showing potential as a possible biomarker for ACC in salivary gland, the biological and therapeutic implications of these findings require further preclinical investigations.

Indexed as

DNA MethylationGene Expression Regulation, NeoplasticAdultAgedBase SequenceCarcinoma, Adenoid CysticCpG IslandsFemaleHumansMaleMiddle AgedOligonucleotide Array Sequence AnalysisPolymerase Chain ReactionPromoter Regions, GeneticSalivary Gland NeoplasmsSequence Analysis, DNATranscription Factors

Identifiers

PMID21692051
PMCPMC3123690
OpenAlexW1986449954

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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.