PARK7 and esophageal squamous cell carcinoma: These two ESCC cell lines (KYSE-150 and ECA-109) were irradiated with 0, 2, 4, 6, 8, and 10 Gy doses, and DJ-1 levels in the medium were measured at 0.5, 1, 2, 4, 8, 12, and 24 h after irradiation.