FLVCR1 and cancer: FLVCR1-AS1 upregulated in patient tissues with multiple different of human cancer, including cholangiocarcinoma, gastric cancer, glioma and glioblastoma, hepatocellular carcinoma, lung cancer, ovarian cancer, breast cancer, and colorectal cancer, is of great importance due to its regulatory role on several signaling pathways related to cancer initiation and development.