MNX1-AS1 functions as an oncogene, to promote epithelial–mesenchymal transition of breast cancer [30], cell proliferation, and metastasis of esophageal squamous cell carcinoma [31], bladder cancer [32], cervical cancer [33], and intrahepatic cholangiocarcinoma [34]. The gene discussed is MNX1; the disease is intrahepatic cholangiocarcinoma.