In detail, members of C-IV family (TRIM7, TRIM11, TRIM22, TRIM25, TRIM26, TRIM50, TRIM65, TRIM72), C-V family (TRIM31, TRIM52), C-VI family (TRIM28, TRIM33), C-VII family (TRIM71), C-XI family (TRIM59), UC family (TRIM14) exert their roles as E3 ligases in HCC (Table 1). The gene discussed is TRIM50; the disease is hepatocellular carcinoma.