Evidence map›Paper›PMID 29151918›Full record

ArticleOncology letters2017

Engrailed-2 promoter hyper-methylation is associated with its downregulation in clear cell renal cell carcinoma.

Cai-Yong Lai, Gan-Shen Yu, Yin Xu, Xun Wu, Bao-Li Heng, Yi-Jun Xue, Ze-Xuan Su

Open access · diamondAbstract read
In one paragraph

Article in Oncology letters, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.3field-weighted citation impact, top 39% 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

3 citing papers in PubMed, 4 citations in OpenAlex.

  1. A novel biflavone fromFrontiers in pharmacology · 2022
    Article
  2. Article
  3. 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

7 authors at 2 institutions in 1 country.

Cai-Yong LaiDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
Gan-Shen YuDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
Yin XuDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
Xun WuDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
Bao-Li HengDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
Yi-Jun XueDepartment of Urology, The First Affiliated Hospital of Gannan Medical College, Ganzhou, Jiangxi 341000, P.R. China.
Ze-Xuan SuDepartment of Urology, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, P.R. China.
First Affiliated Hospital of Jinan University · CNFirst Affiliated Hospital of Gannan Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In a previous study by the present authors, it was identified that the expression of engrailed-2 (EN2) gene was downregulated in clear cell renal cell carcinoma (cc-RCC). The aim of the present study was to determine whether aberrant methylation was the mechanism underlying the silencing of EN2 gene in cc-RCC. A total of forty paired cc-RCC tissues, four cc-RCC cell lines and one normal human proximal tubule epithelial cell line were evaluated for EN2 gene methylation status using methylation-specific polymerase chain reaction (PCR). Following treatment with 5-Aza-dc, reverse transcription-quantitative PCR and western blot analysis were performed to examine the expression of EN2. Furthermore, cell proliferation, apoptosis and invasion assays were conducted to analyze the inhibitory effects of EN2 re-expression in 786-O cells. The results of the present study demonstrated that hyper-methylation of EN2 was identified in 12/40 cc-RCC tissues and all cc-RCC cell lines. The methylation status of the EN2 gene was revealed to be associated with histological grade and tumor size in cc-RCC. Following 5-Aza-dc treatment, demethylation of the EN2 gene was identified in 786-O cells, in conjunction with EN2 re-expression. Furthermore, re-activation of the EN2 gene markedly inhibited the proliferative and invasive capacities of cc-RCC. The results of the present study demonstrated that the EN2 gene promoter was hyper-methylated in cc-RCC, which may underlie the silencing of the EN2 gene in cc-RCC.

Indexed as

clear cell renal cell carcinomaDNA methylationengrailed-2

Identifiers

PMID29151918
PMCPMC5678243
OpenAlexW2754370700

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.