PIK3CB and prostate cancer: Differentially expressed miRNAs consistently targeted genes associated with the cell cycle, signaling pathways (FoxO, Hippo, p53, PI3K‐Akt, HIF‐1, MAPK), various cancers (prostate cancer, hepatocellular carcinoma), proteoglycans, adherens junction, shigellosis, platinum drug resistance, axon guidance, and oocyte meiosis (Fig. 4 and Table S3).