Evidence map›Paper›PMID 17965592›Full record

ArticleEpigenetics

Global leukocyte DNA methylation is similar in African American and Caucasian women under conditions of controlled folate intake.

Juan Axume, Steven S Smith, Igor P Pogribny, David J Moriarty, Marie A Caudill

Open access · bronzeAbstract read
In one paragraph

Article in Epigenetics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
0.8field-weighted citation impact, top 30% 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

12 citing papers in PubMed, 26 citations in OpenAlex.

  1. Global DNA hypomethylation (LINE-1) in the normal colon and lifestyle characteristics and dietary and genetic factors.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2009
    Trial
  2. Review
  3. DNA methylation-based variation between human populations.Molecular genetics and genomics : MGG · 2017
    Review
  4. Review
  5. 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

5 authors at 1 institution in 1 country.

Juan AxumeHuman Nutrition and Food Science Department, Cal Poly Pomona, Pomona, California 91768, USA.
Steven S Smith
Igor P Pogribny
David J Moriarty
Marie A Caudill
Pomona College · US

Funding

The Response of Choline and Folate Status to Controlled Levels of Choline IntakeS06GM053933 · NIGMS · CALIFORNIA STATE POLY U POMONA · PI MOBLEY, PATRICK W · 1997 to 2007
$15.1M
EPS Markers in the Early Detection of Prostate CancerR01CA102521 · NCI · CITY OF HOPE/BECKMAN RESEARCH INSTITUTE · PI SMITH, STEVEN SIDNEY · 2004 to 2006
$803k
NCI NIH HHS CA102521-01NCI NIH HHS R01 CA102521NIGMS NIH HHS S06 GM053933NIGMS NIH HHS S06GM53933
6 · The paper itself

Abstract

DNA methylation is an epigenetic feature that may modify disease risk, and can be influenced by folate status as well as by methylenetetrahydrofolate reductase (MTHFR) C677T genotype. The aim of this study was to investigate the influence of ethnicity/race on global leukocyte DNA methylation under conditions of controlled folate intake. Caucasian (n = 14) and African American (n = 14) women (18 - 45 y) possessing the MTHFR 677CC genotype consumed a folate restricted diet (135 mug/d as dietary folate equivalents, DFE) for 7 week followed by folate treatment with 400 or 800 microg DFE/d for 7 week. Global leukocyte DNA methylation was assessed via the cytosine extension assay at baseline (wk 0), after folate restriction (wk 7) and after folate treatment (wk 14). Ethnicity/race was not a determinant of global leukocyte DNA methylation. No differences (p > 0.05) were detected in DNA methylation between African American and Caucasian women at baseline or any other study time point. In addition, folate intake did not modify global leukocyte DNA methylation. These data suggest that global leukocyte DNA methylation does not differ between Caucasian and African American women and that short-term folate restriction is not sufficient to modify methylation content in young women with the MTHFR 677CC genotype.

Indexed as

DietDNA MethylationBlack or African AmericanBlack PeopleCarbon-Nitrogen LigasesEpigenesis, GeneticFemaleFolic AcidHuman Genome ProjectHumansLeukocytesPhenotypeWhite People5,10-methenyltetrahydrofolate synthetaseCarbon-Nitrogen LigasesFolic Acid

Identifiers

PMID17965592
PMCPMC2637176
OpenAlexW1986973529

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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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.