BARX2 and cancer: We analysed BARX2 DNA methylation levels in LIHC patients through two public databases, the Shiny Methylation Analysis Resource Tool (SMART) App database (http://www.bioinfo-zs.com/smartapp/)48 and the MethSurv database (https://biit.cs.ut.ee/methsurv/)49, which contains Infinium Human Methylation 450 K BeadChip data, RNA-seq data, and clinical data for 33 cancer types from the TCGA dataset.