TP73 and breast cancer: It has been reported that lncRNA TP73-AS1 is overexpressed in non-small lung cancer [7], esophageal squamous cell carcinoma [8], gastric cancer [9–11], glioblastoma [12,13], glioma tissue [14], hepatocellular carcinoma [15], breast cancer [16,17], colorectal cancer [18], and ovarian cancer [19], but is down-regulated in bladder cancer tissue [20].