In TCGA-PRAD, FFAR2 (Free Fatty Acid Receptor 2) is upregulated by 3.5-fold and HTR4 by 3.1-fold, with downregulations in ADRB3 (−5.8-fold) and CHRM2 (−4.5-fold). This evidence concerns the gene FFAR2 and prostate adenocarcinoma.