Fig. 5

Metabolic pathway analysis. The metabolic pathway was drawn according to the KEGG database and SMPDB database. The red or blue shadings represent the significantly increased or decreased levels of metabolites from BPH to PCa, BPH to PCaB, and PCa to PCaB. Metabolite abbreviation: 3-HB 3-hydroxybutyrate, Ace acetate, Aceto Acetoacetate, Acet acetone, Ala alanine, Asp aspartate, Cho choline, Cre creatine, Creat creatinine, Cit citrate, For formate, Fum fumarate, Glc glucose, Glu glutamate, Gln glutamine, Gly glycine, GPC sn-glycero-3-phosphocholine, His histidine, Ile isoleucine, Lac lactate, Leu leucine, Lys lysine, PC phosphocholine, Phe phenylalanine, Pyr pyruvate, Suc succinate, Tyr tyrosine, Val valine