USP2 and liver cancer: By analyzing the positive cell rate of USP2-AS1 in human liver cancer tissue microarrays and determining the cutoff value of USP2-AS1 by X-Tile software, we observed that patients with low expression of USP2-AS1 had better prognosis while patients with high expression of USP2-AS1 had shorter OS (Overall Survival) and DFS (Disease-Free Survival) time (Figure 1F).