Evidence map›Paper›PMID 22844368›Full record

ArticleOncology letters2012

Identification of a DNA methylation marker that detects the presence of lymph node metastases of gastric cancers.

Yasuyuki Shigematsu, Tohru Niwa, Satoshi Yamashita, Hirokazu Taniguchi, Ryoji Kushima, Hitoshi Katai, Seiji Ito, Tetsuya Tsukamoto, Masao Ichinose, Toshikazu Ushijima

Open access · diamondAbstract read
In one paragraph

Article in Oncology letters, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
2.2field-weighted citation impact, top 12% 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

13 citing papers in PubMed, 24 citations in OpenAlex.

  1. Trial
  2. The methylation level of a single cancer risk marker gene reflects methylation burden in gastric mucosa.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2023
    Article
  3. Article
  4. Frontiers in oncology · 2021
    Article
  5. Epigenetic priming sensitizes gastric cancer cells to irinotecan and cisplatin by restoring multiple pathways.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2020
    Article
  6. Article
  7. Article
  8. Observational
  9. Novel epigenetic markers for gastric cancer risk stratification in individuals after Helicobacter pylori eradication.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2018
    Article
  10. DNA methylation analysis in malignant pheochromocytoma and paraganglioma.Journal of clinical & translational endocrinology · 2017
    Article
  11. Article
  12. Article
  13. Integrated analysis of cancer-related pathways affected by genetic and epigenetic alterations in gastric cancer.Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association · 2015
    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

10 authors at 6 institutions in 3 countries.

Yasuyuki ShigematsuDivision of Epigenomics, National Cancer Center Research Institute, Chuo-ku, Tokyo 104-0045.
Tohru Niwa
Satoshi Yamashita
Hirokazu Taniguchi
Ryoji Kushima
Hitoshi Katai
Seiji Ito
Tetsuya Tsukamoto
Masao Ichinose
Toshikazu Ushijima
Epigenomics (Germany) · DENational Cancer Center Hospital East · JPAichi Cancer Center · JPCenter for Clinical Research (United States) · USFujita Health University Hospital · JPWakayama Medical University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The accurate detection of the presence of lymph node metastases (LNM) of gastric cancers (GCs) is useful for the implementation of necessary and sufficient treatment, but current methods of detection are unsatisfactory. In the present study, we focused on DNA methylation markers since they have several advantages, including biological and chemical stability and informativeness even in the presence of contaminating cells. Using three metastatic lymph nodes and three primary GCs without LNM, methylation bead array analyses were performed, which enabled the interrogation of 485,577 CpG sites. A total of 31 CpG sites that were hypermethylated in the metastatic lymph nodes, compared with the GCs without LNM, were isolated. Using primary GCs with and without LNM (28 GCs with LNM and 10 without), their methylation levels were measured using quantitative PCR following treatment with sodium bisulfite or a methylation-sensitive restriction enzyme. Of the genomic regions around the 31 CpG sites, 10 regions demonstrated higher methylation levels in the GCs with LNM compared with the GCs without LNM (P<0.05). Finally, the hypermethylation of the 10 regions was validated using another set of samples (129 GCs with LNM and 20 without). Hypermethylation of the region around the cg06436185 CpG site predicted the presence of LNM at a sensitivity of 43% and specificity of 85%. Additionally, the hypermethylation of the region was associated with a poor survival rate among GC patients with LNM. The results of the present study indicated that the methylation status of the region was a promising candidate marker to detect the presence of LNM of GCs and may reflect the malignant potential of GCs.

Identifiers

PMID22844368
PMCPMC3402728
OpenAlexW2005847251

What OpenQuestion holds

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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.