期刊
DIGESTIVE DISEASES AND SCIENCES
卷 63, 期 9, 页码 2301-2308出版社
SPRINGER
DOI: 10.1007/s10620-018-5106-4
关键词
Gastric epithelial dysplasia; miRNAs; Endoscopic submucosal dissection; Liquid biopsy; Intestinal metaplasia; Dysplasia
资金
- Chang Gung Memorial Hospital, Taoyuan, Taiwan [CMRPG3D1392]
Background Gastric cancer has a poor outcome and identifying useful biomarkers from peripheral blood or tissue could allow its early detection, or potentially precancerous changes, thus improving the curative rates. MicroRNAs (miRNAs) have been shown to offer great potential in cancer diagnosis and prediction. Aim Here, we investigated the role of plasma miRNAs in the natural course of gastric cancer, from intestinal metaplasia to early cancer. The findings were used to understand whether patients at a high risk of malignancy could be given appropriate interventions in the early disease process, such as using endoscopic submucosal dissection to treat gastric dysplasia or early gastric cancer. Methods Participants were divided into healthy control, intestinal metaplasia (IM), and dysplasia/early cancer (pT1a/b) groups. Microarray was used to select potential markers in tissue. Results Quantitative real-time polymerase chain reaction data showed circulating miRNA-22-3p had significantly different expression in patients with precancerous lesions or gastric adenocarcinoma. The areas under the curve of incomplete IM versus healthy control, low-grade/high-grade dysplasia, early gastric cancer, and GED were 0.8080, 0.8040, 0.8494, and 0.8095, respectively (all P values < 0.05). Conclusions Circulating miRNA-22-3p could be a potential biomarker for gastric precancerous dysplasia and early cancer detection.
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