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Monoamine transporters, are neurotransmitter transporters that transfer monoamine neurotransmitters in or out of cells.
There are several different monoamine transporters:
DAT, NET and SERT are related to each other and they all consist of a structure of 12 transmembrane helices.
Modern antidepressants typically work by enhancing serotonergic, noradrenergic or dopaminergic neurotransmission by binding to the corresponding transporter, and thereby inhibiting neurotransmitter reuptake and raising active levels in the synapse. Examples include fluoxetine, a selective serotonin reuptake inhibitor; reboxetine, a norepinephrine reuptake inhibitor and bupropion, which inhibits both the norepinephrine and dopamine transporter.
The euphoric and addictive properties of amphetamine, methamphetamine and cocaine are thought to come from their potent DAT-blocking activity.
G.E. Torres, R.R. Gainetdinov and M.G. Caron (2003). "Plasma membrane monoamine transporters: structure, regulation and function". Nat. Rev. Neurosci. 4 (1): 13-25. PMID 12511858. (Review)
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Monoamine_transporter". A list of authors is available in Wikipedia.|