CXCL11 and hepatocellular carcinoma: The expression of circUBAP2 was significantly upregulated in the CXCL11-treated MHCC-97H cells compared with the untreated MHCC-97H cells (Fig. 3G) and increased in the HCC tissue samples compared with the noncancerous tissue samples according to GSE94508, GSE97332, and GSE78520 (Fig. 3H).