Figure 1. Venn diagrams to filter HTLV-1 infection-associated genes from HCC datasets. (A) The 54 co-increased expression genes were filtered from four public datasets GSE101685, GSE112790, GSE45267, and GSE84402. (B) The 125 co-decreased expression genes were filtered from four public datasets. (C) Five genes were identified as the up-regulated overlapping genes between HTLV-1 infection-related genes and the 54 co-DEGs. (D) FOS and EGR1 were identified as the two down-regulated overlapping genes between HTLV-1 infection-related genes and the 125 co-DEGs.