Page 82 - TD-4-2
P. 82

Tumor Discovery                                                       DRGs in HCC prognosis and immunity




                         A                                  B














                         C                                  D














            Figure 7. Diagram of the protein-protein interaction network of differentially expressed genes and diagram of the gene network. (A) Network diagram
            of all genes. (B) Network diagram of genes with edge and node relationships. (C) Gene network map by Cystoscope software. (D) Gene intersection map
            (FLNA and CAPZB have been reported to be associated with hepatocellular carcinoma, whereas no detailed hepatocellular carcinoma-related reports have
            been reported for the CD2AP gene).

            this approach were compared with the risk model, and it   Table 3. Enrichment scores and signal pathways
            was found that three genes (FLNA, CD2AP, and CAPZB)   Description         Set size Enrichment  Adjusted
            were common among the 10 genes identified through                                  score   p-value
            the gene network analysis, which were further refined by   Herpes simplex virus 1 infection  498  0.3849  0.0380
            the six critical genes selected through regression analysis
            (Figure 7D). In addition, this investigation revealed that   Transcriptional misregulation in   173  0.4245  0.0400
                                                               cancer
            among the existing research articles related to HCC, FLNA   Efferocytosis   149    0.4529  0.0119
            and CAPZB have been identified as therapeutic markers
            and are involved in relevant pathways, while  CD2AP   Hepatitis C           149    0.4437  0.0260
            has not been extensively studied in the context of HCC   Oocyte meiosis     127    0.4689  0.0105
            pathways and clinical treatment.                   Taste transduction       83     0.4902  0.0107
                                                               B cell receptor signaling pathway  81  0.4875  0.0260
            3.4. GSEA
                                                               Acute myeloid leukemia   67     0.4902  0.0312
            The GSEA analysis was conducted to elucidate the   Cytosolic DNA-sensing pathway  64  0.5040  0.0219
            molecular pathways underlying the characterization   N-Glycan biosynthesis  53     0.5001  0.0433
            of DRGs. The GSEA plot results demonstrated that the   Aminoacyl-tRNA biosynthesis  25  0.5809  0.0324
            enrichment scores (enrichment score value: maximum
            peak) were positive, indicating that the gene sets were
            enriched at the top of the list (Figure S5). These positive   3.5. Immune cell infiltration analysis
            enrichment scores suggest that the DRGs were elevated in   Differences in immune cell infiltration between risk groups
            the high-risk group, with significant increases observed in   were analyzed using immune cell infiltration analyses of
            efferocytosis, hepatitis C, herpes simplex virus 1 infection,   the high-  and low-risk groups. The results from Tumor
            oocyte meiosis, and transcriptional misregulation in   Immune Microenvironment, CIBERSORT, CIBERSORT-
            cancer. The most significant effects were observed   ABS, quanTIseq, and Microenvironment Cell Populations-
            in efferocytosis and oocyte meiosis, with a corrected   counter computational algorithms revealed that, compared
            p=0.0096 (Table 3).                                to the low-risk group, the high-risk group exhibited higher


            Volume 4 Issue 2 (2025)                         74                                doi: 10.36922/td.8214
   77   78   79   80   81   82   83   84   85   86   87