ASF1B and cholangiocarcinoma: Through the mining of GTEx and TCGA databases, we also found that ASF1B was highly expressed in a variety of tumors, including Cholangiocarcinoma (CHOL), Colon adenocarcinoma (COAD), Esophageal carcinoma (ESCA), Liver hepatocellular carcinoma (LIHC), Pancreatic adenocarcinoma (PADD), Rectum adenocarcinoma(READ), Stomach adenocarcinoma(STAD) (Figure 1B).