Therefore, we suspected that some ceRNA triples, such as DLEU2-hsa-miR-30a-5p-CCNA2, DLEU2-hsa-miR-30a-5p-MYBL2, DLEU2-hsa-miR-30a-5p-DTL, and DLEU2-hsa-miR-30a-5p-STMN1, are potential therapeutic targets in GC. The gene discussed is CCNA2; the disease is gastric cancer.