Evidence map›Paper›PMID 24413027›Full record

ArticleEpigenetics2014

Patterns of DNA methylation in the normal colon vary by anatomical location, gender, and age.

Andrew M Kaz, Chao-Jen Wong, Slavomir Dzieciatkowski, Yanxin Luo, Robert E Schoen, William M Grady

Registry-linked trialOpen access · bronzeAbstract read
In one paragraph

Article in Epigenetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05195502 (Cellular Composition of the Human Colon Using Single-cell RNA and Single-cell ATAC-sequencing.), which is not on this map. Cited by 47 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 1 pooled it
4.6field-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.

NCT05195502 completednot on this mapstarted 2022, after this paper: background citation

Cellular Composition of the Human Colon Using Single-cell RNA and Single-cell ATAC-sequencing.

TypeobservationalSponsorBispebjerg HospitalRan2022 to 2024Enrolled40ConditionsDiabetes, Large Bowel Cancer, Inflammatory Bowel DiseasesArmsBiopsy
3 · Its place in the literature

Who cites it

47 citing papers in PubMed, 1 synthesis or guideline pooled it, 70 citations in OpenAlex.

  1. Pooled it
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  10. Epigenetic differences in the tumor suppressor genesInnovative surgical sciences · 2024
    Article
  11. Elevated EVL Methylation Level in the Normal Colon Mucosa Is a Potential Risk Biomarker for Developing Recurrent Adenomas.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2023
    Article
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  18. Biomarkers for Early Detection of Colorectal Cancer: The Early Detection Research Network, a Framework for Clinical Translation.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2020
    Article
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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

6 authors at 4 institutions in 3 countries.

Andrew M KazDivision of Clinical Research; Fred Hutchinson Cancer Research Center; Seattle, WA USA; Research and Development Service; VA Puget Sound Health Care System; Seattle, WA USA; Department of Medicine; University of Washington School of Medicine; Seattle, WA USA.
Chao-Jen WongDivision of Clinical Research; Fred Hutchinson Cancer Research Center; Seattle, WA USA.
Slavomir DzieciatkowskiDivision of Clinical Research; Fred Hutchinson Cancer Research Center; Seattle, WA USA.
Yanxin LuoDivision of Clinical Research; Fred Hutchinson Cancer Research Center; Seattle, WA USA; Department of Colorectal Surgery; the Sixth Affiliated Hospital; Sun Yat-Sen University; Guangzhou, PR China; Gastrointestinal Institute; Sun Yat-Sen University; Guangzhou, PR China.
Robert E SchoenDepartment of Medicine; University of Pittsburgh Medical Center; Pittsburgh, PA USA.
William M GradyDivision of Clinical Research; Fred Hutchinson Cancer Research Center; Seattle, WA USA; Department of Medicine; University of Washington School of Medicine; Seattle, WA USA.
Seattle University · USSun Yat-sen University · CNUniversity of Pittsburgh Medical Center · USUniversity of Washington · US

Funding

Identify and validate novel epigenetic molecular markers for colorectal neoplasmU01CA152756 · NCI · FRED HUTCHINSON CANCER RESEARCH CENTER · PI GRADY, WILLIAM MALLORY, GUDA, KISHORE · 2010 to 2021
$6.7M
6 · The paper itself

Abstract

Alterations in DNA methylation have been proposed to create a field cancerization state in the colon, where molecular alterations that predispose cells to transformation occur in histologically normal tissue. However, our understanding of the role of DNA methylation in field cancerization is limited by an incomplete characterization of the methylation state of the normal colon. In order to determine the colon's normal methylation state, we extracted DNA from normal colon biopsies from the rectum, sigmoid, transverse, and ascending colon and assessed the methylation status of the DNA by pyrosequencing candidate loci as well as with HumanMethylation450 arrays. We found that methylation levels of repetitive elements LINE-1 and SAT-α showed minimal variability throughout the colon in contrast to other loci. Promoter methylation of EVL was highest in the rectum and progressively lower in the proximal segments, whereas ESR1 methylation was higher in older individuals. Genome-wide methylation analysis of normal DNA revealed 8388, 82, and 93 differentially methylated loci that distinguished right from left colon, males from females, and older vs. younger individuals, respectively. Although variability in methylation between biopsies and among different colon segments was minimal for repetitive elements, analyses of specific cancer-related genes as well as a genome-wide methylation analysis demonstrated differential methylation based on colon location, individual age, and gender. These studies advance our knowledge regarding the variation of DNA methylation in the normal colon, a prerequisite for future studies aimed at understanding methylation differences indicative of a colon field effect.

Indexed as

DNA MethylationAgedAged, 80 and overAge FactorsCell Adhesion MoleculesColonCpG IslandsEstrogen Receptor alphaFemaleGenome, HumanHumansLong Interspersed Nucleotide ElementsMaleMiddle AgedPromoter Regions, GeneticRectumCell Adhesion MoleculesESR1 protein, humanEstrogen Receptor alphaEVL protein, humancolorectal cancerDNA methylationfield effectmethylation microarraynormal colon methylation

Identifiers

PMID24413027
PMCPMC4121360
OpenAlexW2077353703

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.