Evidence map›Paper›PMID 9122232›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America1997

DNA methylation and genetic instability in colorectal cancer cells.

C Lengauer, K W Kinzler, B Vogelstein

Registry-linked trialAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01407432 (Impact of Folates in the Care of the Male Infertility), which is not on this map. Cited by 122 papers.

0numbers the graph read from it
0cells of the map it votes in
122citing papers in PubMed
–field-weighted citation impact
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.

NCT01407432 phase3completednot on this mapstarted 2011, after this paper: background citation

Impact of Folates in the Care of the Male Infertility

TypeinterventionalSponsorAssistance Publique - Hôpitaux de ParisRan2011 to 2016Enrolled162ConditionsMale InfertilityArmsFolic acid, placebo of folic acid
3 · Its place in the literature

Who cites it

122 citing papers in PubMed.

  1. Trial
  2. Long-read sequencing reveals genomic and epigenomic variation in the dark genome of human Alzheimer's disease.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
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62 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors.

C LengauerHoward Hughes Medical Institute at The Johns Hopkins Oncology Center, Baltimore, MD 21231, USA.
K W Kinzler
B Vogelstein

Funding

Tumor Antigens for Individual Signatures and TherapyP50CA062924 · NCI · JOHNS HOPKINS UNIVERSITY · PI LENNON, ANNE MARIE · 1993 to 2022
$54.6M
ALTERATIONS IN DNA METHYLATION IN COLONIC ADENOCARCINOMAR01CA035494 · NCI · JOHNS HOPKINS UNIVERSITY · PI VOGELSTEIN, BERT · 1985 to 1986
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CLONAL ANALYSIS OF NEOPLASIAR37CA035494 · NCI · JOHNS HOPKINS UNIVERSITY · PI VOGELSTEIN, BERT · 1987 to 1996
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NCI NIH HHS CA 35494NCI NIH HHS CA 62924NCI NIH HHS P50 CA062924
6 · The paper itself

Abstract

Apparent alterations in DNA methylation have been observed in many cancers, but whether such alterations represent a persistent alteration in the normal methylation process is not known. In this study, we report a striking difference in the expression of exogenously introduced retroviral genes in various colorectal cancer cell lines. Extinguished expression was associated with DNA methylation and could be reversed by treatment with the demethylating agent 5-azacytidine. A striking correlation between genetic instability and methylation capacity suggested that methylation abnormalities may play a role in chromosome segregation processes in cancer cells.

Indexed as

DNA MethylationAzacitidineBase Sequencebeta-GalactosidaseCell LineColorectal NeoplasmsDNA, NeoplasmGenes, ViralHumansKanamycin KinaseMolecular Sequence DataPhosphotransferases (Alcohol Group Acceptor)Polymerase Chain ReactionProtein BiosynthesisRecombinant ProteinsRepetitive Sequences, Nucleic AcidAzacitidinebeta-GalactosidaseDNA, NeoplasmKanamycin KinasePhosphotransferases (Alcohol Group Acceptor)Recombinant Proteins

Identifiers

PMID9122232
PMCPMC20125

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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.