POU6F2 and esophageal squamous cell carcinoma: Moreover, an upregulated expression of POU6F2-AS2 in irradiated ESCC cell lines KYSE-140~5-fold) KYSE-510 (~6.1-fold), KYSE-30 (~2-fold), and KYSE-70 (~1-fold), compared to the control cells [17] (Table 1).