UBE2O and neoplasm: PTRF and UBE2O (ubiquitin-conjugating enzyme E2O) are other examples of genes that were not affected in the tumor but significantly regulated in both BCPAP (xPTRF = −31.50, xUBE2O = 28.86) and 8505C (xPTRF = -58.42, xUBE2O = 11.70) cell lines.