the biochemical effects of these drugs will involve several substrates of mao , e.g . dopamine , tyramine , serotonin and , to a lesser extent , noradrenaline and adrenaline.mao probably regulates the metabolism of catecholamines and serotonin in tissues , while catechol-o-methyltransferase is responsible for the metabolism of circulating noradrenaline and adrenaline .
C0028351
noradrenaline
C0014563
adrenaline