Abstract:Objective: To identify the methylation silenced tumor suppressor genes in Epstein-Barr virus (EBV)-associated gastric cancer (EBVaGC). Methods: EBV-positive (GT38, PT and SNU719) and negative (SGC7901) gastric cancer cell lines were selected and treated with 5-Aza-CdR. Then real-time fluorescence quantitative PCR was used to validate the results of microarray, and methylation-specific PCR (MSP) and bisulfite genomic sequencing (BGS) were adopted to detect the CpG island methylation levels of gene promoters. Re… Show more
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