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The levels of PAX1 (A) and ZNF582 (B) methylation in cancer (CA) and paracancerous (normal) tissues from 14 esophageal squamous cell carcinoma (ESCC) patients. The level of DNA methylation is presented as log (meth-index). Insets image shows the log (meth-index) of PAX1 for CaSki and C33A cell lines, which were used as methylation and non-methylation controls, respectively. The cut-off value is shown as a dashed line.
