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Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer
The main modalities for gastric cancer screening are limited to upper gastrointestinal endoscopy and contrast radiography. The former is invasive, and the latter has high false-negative rates. Thus, alternative diagnostic strategies are required. One solution may be a liquid biopsy. Methylated RUNX3...
Autores principales: | , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7226141/ https://www.ncbi.nlm.nih.gov/pubmed/32224873 http://dx.doi.org/10.3390/cancers12040789 |
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author | Hideura, Eizaburou Suehiro, Yutaka Nishikawa, Jun Shuto, Takuya Fujimura, Hiroyuki Ito, Shunsuke Goto, Atsushi Hamabe, Kouichi Saeki, Issei Okamoto, Takeshi Higaki, Shingo Fujii, Ikuei Suzuki, Chieko Hoshida, Tomomi Matsumoto, Toshihiko Takami, Taro Sakaida, Isao Yamasaki, Takahiro |
author_facet | Hideura, Eizaburou Suehiro, Yutaka Nishikawa, Jun Shuto, Takuya Fujimura, Hiroyuki Ito, Shunsuke Goto, Atsushi Hamabe, Kouichi Saeki, Issei Okamoto, Takeshi Higaki, Shingo Fujii, Ikuei Suzuki, Chieko Hoshida, Tomomi Matsumoto, Toshihiko Takami, Taro Sakaida, Isao Yamasaki, Takahiro |
author_sort | Hideura, Eizaburou |
collection | PubMed |
description | The main modalities for gastric cancer screening are limited to upper gastrointestinal endoscopy and contrast radiography. The former is invasive, and the latter has high false-negative rates. Thus, alternative diagnostic strategies are required. One solution may be a liquid biopsy. Methylated RUNX3 is a well-known biomarker of gastric cancer but it is very difficult to detect with conventional bisulfite-based methylation assays when only a small amount of serum is available. We developed the combined restriction digital PCR (CORD) assay, a new methylation assay allowing for the counting of as little as one copy of a methylated gene in a small sample of DNA without necessitating DNA bisulfite treatment. We evaluated the sensitivity and specificity of the serum DNA testing of methylated RUNX3 by the CORD assay for the detection of early gastric cancer using 50 patients with early gastric cancer and 61 control individuals. The CORD assay had a sensitivity of 50.0% and a specificity of 80.3% for early gastric cancer. Methylated RUNX3 copies were significantly associated with tumor size, massive submucosal invasion, and lymph-vascular invasion. After the treatment, the median number of methylated RUNX3 copies was significantly decreased. The CORD assay may provide an alternative screening strategy to detect even early-stage gastric cancer. |
format | Online Article Text |
id | pubmed-7226141 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-72261412020-05-18 Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer Hideura, Eizaburou Suehiro, Yutaka Nishikawa, Jun Shuto, Takuya Fujimura, Hiroyuki Ito, Shunsuke Goto, Atsushi Hamabe, Kouichi Saeki, Issei Okamoto, Takeshi Higaki, Shingo Fujii, Ikuei Suzuki, Chieko Hoshida, Tomomi Matsumoto, Toshihiko Takami, Taro Sakaida, Isao Yamasaki, Takahiro Cancers (Basel) Article The main modalities for gastric cancer screening are limited to upper gastrointestinal endoscopy and contrast radiography. The former is invasive, and the latter has high false-negative rates. Thus, alternative diagnostic strategies are required. One solution may be a liquid biopsy. Methylated RUNX3 is a well-known biomarker of gastric cancer but it is very difficult to detect with conventional bisulfite-based methylation assays when only a small amount of serum is available. We developed the combined restriction digital PCR (CORD) assay, a new methylation assay allowing for the counting of as little as one copy of a methylated gene in a small sample of DNA without necessitating DNA bisulfite treatment. We evaluated the sensitivity and specificity of the serum DNA testing of methylated RUNX3 by the CORD assay for the detection of early gastric cancer using 50 patients with early gastric cancer and 61 control individuals. The CORD assay had a sensitivity of 50.0% and a specificity of 80.3% for early gastric cancer. Methylated RUNX3 copies were significantly associated with tumor size, massive submucosal invasion, and lymph-vascular invasion. After the treatment, the median number of methylated RUNX3 copies was significantly decreased. The CORD assay may provide an alternative screening strategy to detect even early-stage gastric cancer. MDPI 2020-03-26 /pmc/articles/PMC7226141/ /pubmed/32224873 http://dx.doi.org/10.3390/cancers12040789 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Hideura, Eizaburou Suehiro, Yutaka Nishikawa, Jun Shuto, Takuya Fujimura, Hiroyuki Ito, Shunsuke Goto, Atsushi Hamabe, Kouichi Saeki, Issei Okamoto, Takeshi Higaki, Shingo Fujii, Ikuei Suzuki, Chieko Hoshida, Tomomi Matsumoto, Toshihiko Takami, Taro Sakaida, Isao Yamasaki, Takahiro Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title | Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title_full | Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title_fullStr | Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title_full_unstemmed | Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title_short | Blood Free-Circulating DNA Testing of Methylated RUNX3 Is Useful for Diagnosing Early Gastric Cancer |
title_sort | blood free-circulating dna testing of methylated runx3 is useful for diagnosing early gastric cancer |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7226141/ https://www.ncbi.nlm.nih.gov/pubmed/32224873 http://dx.doi.org/10.3390/cancers12040789 |
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