In this study, hub genes associated with the development of BC were identified and characterised (i.e., KIF2C, NUSAP1, MELK, PBK, KIF20A, AURKA, NCAPG, TPX2, KIF4A, ASPM, AURKB, CDC20, CCNB1, BUB1B, CCNB2, CCNA2, BUB1, TOP2A, UBE2C, TTK, TRIB3, GPM6B, CYP2U1, SNCA, PLP1, LGI4, RELN, MPZ, CDH19, GFRA3, COBL, and SNAP25). The gene discussed is CCNB1; the disease is breast cancer.