PLK1 and cancer: In addition, the following genes showed a strong to very strong positive expression in correlations with UBE2C in 26 cancers, but moderate positive correlations (R between 0.4 and 0.59 and p-value < 0.05, Table 2 and Table S1 file) in one cancer, including TPX2, microtubule nucleation factor (TPX2), polo like kinase 1 (PLK1), aurora kinase B (AURKB), non-SMC condensin I complex subunit G (NCAPG), cyclin B1 (CCNB1), spindle and kinetochore associated complex subunit 3 (SKA3), and kinesin family member 18B (KIF18B).