TUG1 and esophageal cancer: More recently, aberration lncRNA expressions in esophageal cancer were reported, such as up-regulation of HOTAIR [19,24-26], taurine-upregulated gene 1 (TUG1) [27], PlncRNA1 [28], POU3f3 [29], FOXCUT [30], HNF1A-AS1 [31], ANRIL [32] and signature identification (lncRNAs ENST00000435885.1, XLOC_013014 and ENST00000547963.1) [33].