Spots Global Cancer Trial Database for Exploration and Verification of DNA Methylolation in Early Screening of Esophageal Cancer

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Trial Identification

Brief Title: Exploration and Verification of DNA Methylolation in Early Screening of Esophageal Cancer

Official Title: Digestive Tract Tumor Research Based on ctDNA Methylation Detection Technology and Early Non-invasive Screening: Exploration and Verification of DNA Methylolation in Early Screening of Esophageal Cancer

Study ID: NCT03922230

Conditions

Esophageal Squamous Cell Carcinoma

Interventions

Study Description

Brief Summary: The aim of this study was to detect the whole genome hydroxymethylation of peripheral blood ct DNA in normal population, patients with p0\~pI esophageal squamous cell carcinoma and pII\~pIV esophageal squamous cell carcinoma by using DNA methylation detection technology. To compare the differences in genomic methylation levels between different groups, to find out the methylolation site system associated with early esophageal squamous cell carcinoma, and to verify the genes related to esophageal squamous cell carcinoma by ctDNA methylolation. Application of basicization in early screening of esophageal squamous cell carcinoma.

Detailed Description: The aim of this study was to detect the whole genome hydroxymethylation of peripheral blood ct DNA in normal population, patients with p0\~pI esophageal squamous cell carcinoma and pII\~pIV esophageal squamous cell carcinoma by using DNA methylation detection technology. The differences in genomic methylation levels between different groups were compared to identify the methylolation site system associated with early esophageal squamous cell carcinoma. Then, using the genomic methylolation technique, 5hmC-DNA enrichment was performed on the peripheral venous blood samples of the experimental group before surgery and the peripheral venous blood samples of the control group, respectively, and then the high abundance and high significance were selected. The 5hmC-DNA fragment was verified by PCR amplification. The genes related to esophageal squamous cell carcinoma were verified by ctDNA methylolation. Finally, the methylolation genes related to esophageal squamous cell carcinoma were identified, and the application of DNA methylation in early screening of esophageal squamous cell carcinoma was explored.