Monoamine Neurotransmitter Systems

Monoamine neurotransmitter systems encompass the networks and molecular machinery responsible for the synthesis, release, action, and degradation of a class of neurotransmitters which includes dopamine, norepinephrine (noradrenaline), serotonin, epinephrine (adrenaline), and histamine. These systems play fundamental roles in the regulation of mood, emotion, reward, cognition, autonomic and endocrine functions, and motor control. Monoaminergic dysfunction is central to the pathophysiology of a variety of neuropsychiatric and neurological disorders, such as depression, anxiety, schizophrenia, and Parkinson’s disease. Therapeutic drugs acting on these systems primarily modulate neurotransmitter levels (by inhibiting their reuptake or enzymatic breakdown) or directly interact with their receptors to restore balanced signaling[1][2][3][4][5][7][8].

Other names

monoaminergic systemsmonoamine neurotransmitter pathwaysmonoamine systems

Inhibition of monoamine reuptake transporters (increases synaptic concentration); Inhibition of monoamine oxidase enzymes (prevents neurotransmitter breakdown); Direct agonism or antagonism at monoamine receptors