NORAD and esophageal squamous cell carcinoma: Further, it was observed that depletion of LINC00657 in ESCC cells rendered them more sensitive to the radiotherapy treatments, as indicated by the reduced bromodeoxyuridine/5-bromo-2’-deoxyuridine (BrdU+) cell fraction and attenuated proliferation and migration potential of ESCC cells [16] (Figure 2 and Table 1).