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Abnormal dopamine receptor signaling and dopaminergic nerve function is implicated in several neuropsychiatric disorders. [1] Dopamine receptors are therefore common drug targets. Dopamine receptors activate different effectors through not only G-protein coupling, but also signaling through different protein (dopamine receptor-interacting ...
Amantadine has dopaminergic effects through uncertain mechanisms of action. [24] [25] It is structurally related to other adamantanes like bromantane and rimantadine, which also have dopaminergic actions. [26] Bromantane can upregulate tyrosine hydroxylase (TH) and thereby increase dopamine production and this might be involved in its ...
This results in increased extracellular concentrations of dopamine and increase in dopaminergic neurotransmission. [ 1 ] DRIs are used in the treatment of attention-deficit hyperactivity disorder (ADHD) and narcolepsy for their psychostimulant effects, and in the treatment of obesity and binge eating disorder for their appetite suppressant effects.
Central dopaminergic agonist properties of semisynthetic ergoline derivatives lergotrile, pergolide, bromocriptine and lisuride have been established. Some studies suggest that ergot alkaloids have the properties of mixed agonist-antagonist with regards to certain presynaptic and postsynaptic receptors.
This in turn leads to increased extracellular concentrations of both norepinephrine and dopamine and, therefore, an increase in adrenergic and dopaminergic neurotransmission. [1] A closely related type of drug is a norepinephrine–dopamine releasing agent (NDRA).
A dopamine antagonist, also known as an anti-dopaminergic and a dopamine receptor antagonist (DRA), is a type of drug which blocks dopamine receptors by receptor antagonism. Most antipsychotics are dopamine antagonists, and as such they have found use in treating schizophrenia , bipolar disorder , and stimulant psychosis . [ 1 ]
These agents stimulate dopamine receptors. In doing so, they alleviate the symptoms associated with Parkinson's disease . Wikimedia Commons has media related to Dopamine agonists .
With the exception of the 5-HT 3 receptor subtype, which is a transmitter-gated ion channel, 5-HT receptors are members of the 7-transmembrane G protein-coupled receptor superfamily. In humans, the serotonergic system is implicated in various physiological processes such as sleep-wake cycles, maintenance of mood, control of food intake and ...