PRKAA2 and cancer: UBE2O expression is amplified and relates to AMPKa2/mTOR/HIF1a in human cancers, using the existing microarray database: Liu’s BCa, breast carcinoma (GEO: GSE22820, n = 176) [17]; Stephenson’s CaP, prostate carcinoma (n = 97) [8]; Taylor’s CaP (GEO: GSE21032, n = 179) [18].