Fig. 4

Perturbed metabolic pathways in drug-naive children and adolescents MDD and adults MDD subjects. Metabolites in red increased in the plasma, and metabolites in green decreased. ATP adenosine triphosphate, Fatty acids capric acid, cis-9-palmitoleic acid, dodecanoic acid, oleic acid, palmitic acid or stearic acid, MDD major depressive disorder, PUFAs eicosapentaenoic acid (EPA, ω-3) and arachidonic acid (AA, ω-6), SAM S-adenosylmethionine, TCA tricarboxylic acid cycle