SOX2 and Barrett esophagus: We found that SOX9 (3.37 fc and P = 4.05E-12) and SOX4 mRNAs (2.88 fc and P = 3.89E-11) were upregulated, while SOX2 (0.46 fc and P = 9.36E-07) and SOX15 mRNAs (0.34 fc and P = 3.12E-09) were significantly downregulated in BE tissues compared to NE, but not in BE vs NC.