Evidence map›Paper›PMID 32319147›Full record

ArticleJournal of clinical laboratory analysis2020

Significant association between DHFR promoter methylation and ischemic stroke in a Chinese hypertensive population.

Jingcen Hu, Hong Zhu, Guodong Xu, Zhu Chen, Lian Li, Shuyu Wang, Hongxia Deng, Xiaoming Bao, Zhisen Shen

Open access · goldAbstract read
In one paragraph

Article in Journal of clinical laboratory analysis, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.4field-weighted citation impact, top 41% 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

5 citing papers in PubMed, 7 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Hypermethylation of dihydrofolate reductase promoter increases the risk of hypertension in Chinese.Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2020
    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

9 authors at 3 institutions in 1 country.

Jingcen HuZhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, China.ORCID https://orcid.org/0000-0003-3836-104X
Hong ZhuGynecology & Obstetrics Department, The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China.ORCID https://orcid.org/0000-0003-4349-113X
Guodong XuMedical Record Statistics Room, Ningbo Medical Center Lihuili Hospital, Ningbo, China.ORCID https://orcid.org/0000-0002-6464-6164
Zhu ChenHwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, China.ORCID https://orcid.org/0000-0001-8902-0558
Lian LiZhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, China.ORCID https://orcid.org/0000-0002-1148-8289
Shuyu WangZhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, China.ORCID https://orcid.org/0000-0002-6455-5457
Hongxia DengDepartment of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, China.ORCID https://orcid.org/0000-0001-6547-8265
Xiaoming BaoHwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, China.ORCID https://orcid.org/0000-0002-5332-7491
Zhisen ShenDepartment of Otorhinolaryngology Head and Neck Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo, China.ORCID https://orcid.org/0000-0001-6660-0488
Ningbo University · CNNingbo Medical Center Lihuili Hospital · CNUniversity of Chinese Academy of Sciences · CN

Funding

National Key R&D Program of China 2017YFC1310902National Key R&D Program of China 2018YFC1315305Ningbo Health Branding Subject Fund PPXK2018-01Ningbo Health Branding Subject Fund PPXK2018-02Projects of medical and health technology development program in Zhejiang province 2017KY619the Sanming Project of Medicine in Shenzhen SZSM201803080
6 · The paper itself

Abstract

objectiveDHFR encodes dihydrofolate reductase, a major enzyme in the metabolism of folate, and is a candidate gene for ischemic stroke (IS). Therefore, we aimed to investigate the association between DHFR promoter methylation and IS in a Chinese population with primary hypertension.

methodsQuantitative methylation-specific PCR was used to measure the level of DHFR promoter methylation. A multivariate logistic regression model was used to investigate the association between DHFR promoter methylation and IS. Receiver operating characteristic (ROC) curve analysis was used to evaluate the diagnostic value of DHFR promoter methylation for IS.

resultsThe level of methylation of the DHFR promoter in the IS group was significantly lower than that in the hypertensive group (median [interquartile range]: 9.11 [2.81-16.20] vs 24.94 [7.16-56.45], P < .001). DHFR promoter methylation and homocysteine (Hcy) levels were both related to IS, with an ORs (95% CI) of 0.976 (0.967-0.984) and 1.057 (1.027-1.108), respectively. The areas under the curve for the diagnosis of DHFR promoter hypomethylation in IS were 0.603 (95% CI, 0.527-0.678) in men and 0.754 (95% CI, 0.693-0.815) in women. A dual-luciferase reporter assay revealed that the target sequence in the DHFR promoter upregulated gene expression.

conclusionThere is a significant association between methylation of the DHFR promoter and IS in this Chinese hypertensive population. Hypomethylation of the DHFR promoter may serve as a novel marker for the diagnosis of IS in women.

Indexed as

HypertensionIschemic StrokeAgedCase-Control StudiesChinaDNA MethylationFemaleHomocysteineHumansMaleMiddle AgedPromoter Regions, GeneticROC CurveTetrahydrofolate DehydrogenaseHomocysteineTetrahydrofolate DehydrogenaseDHFRhomocysteinehypertensionischemic strokepromoter methylation

Identifiers

PMID32319147
PMCPMC7439332
OpenAlexW3016325566

What OpenQuestion holds

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LicenceCC BY-NC
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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.