Monoamine-depleting agents are a group of
drug
A drug is any chemical substance that causes a change in an organism's physiology or psychology when consumed. Drugs are typically distinguished from food and substances that provide nutritional support. Consumption of drugs can be via insuffla ...
s which reversibly deplete one or more
monoamine neurotransmitter
Monoamine neurotransmitters are neurotransmitters and neuromodulators that contain one amino group connected to an aromaticity, aromatic ring by a two-carbon chain (such as -CH2-CH2-). Examples are dopamine, norepinephrine and serotonin.
All mo ...
s.
One
mechanism
Mechanism may refer to:
*Mechanism (engineering), rigid bodies connected by joints in order to accomplish a desired force and/or motion transmission
*Mechanism (biology), explaining how a feature is created
*Mechanism (philosophy), a theory that a ...
by which these agents act is by
inhibiting reuptake
Reuptake is the reabsorption of a neurotransmitter by a neurotransmitter transporter located along the plasma membrane of an axon terminal (i.e., the pre-synaptic neuron at a synapse) or glial cell after it has performed its function of transm ...
by the
vesicular monoamine transporter
The vesicular monoamine transporter (VMAT) is a transport protein integrated into the membranes of synaptic vesicles of presynaptic neurons. It transports monoamine neurotransmitters – such as dopamine, serotonin, norepinephrine, epinephrine, ...
s,
VMAT1
Vesicular monoamine transporter 1 (VMAT1) also known as chromaffin granule amine transporter (CGAT) or solute carrier family 18 member 1 (SLC18A1) is a protein that in humans is encoded by the ''SLC18A1'' gene. VMAT1 is an integral membrane protei ...
and
VMAT2
The solute carrier family 18 member 2 (SLC18A2) also known as vesicular monoamine transporter 2 (VMAT2) is a protein that in humans is encoded by the ''SLC18A2'' gene. SLC18A2 is an integral membrane protein that transports monoamines—particul ...
.
Examples of monoamine-depleting agents include
deutetrabenazine
Deutetrabenazine (trade name Austedo) is a vesicular monoamine transporter 2 inhibitor which is used for the treatment of chorea associated with Huntington's disease and tardive dyskinesia.
Chemically, deutetrabenazine is an isotopic isomer of ...
,
oxypertine
Oxypertine (Equipertine, Forit, Integrin, Lanturil, Lotawin, Opertil) is an antipsychotic used in the treatment of schizophrenia. It was also evaluated for the treatment of anxiety at a dosage of 20 mg per day.Somohano MD, Broissin MC, Sobri ...
,
reserpine
Reserpine is a drug that is used for the treatment of high blood pressure, usually in combination with a thiazide diuretic or vasodilator. Large clinical trials have shown that combined treatment with reserpine plus a thiazide diuretic reduces m ...
,
tetrabenazine
Tetrabenazine is a drug for the symptomatic treatment of hyperkinetic movement disorders. It is sold under the brand names Nitoman and Xenazine among others. On August 15, 2008, the U.S. Food and Drug Administration approved the use of tetrabenaz ...
, and
valbenazine
Valbenazine, sold under the trade name Ingrezza, is a medication used to treat tardive dyskinesia. For label updates seFDA index page for NDA 209241/ref> It acts as a vesicular monoamine transporter 2 (VMAT2) inhibitor.
Medical use
Valbenazine i ...
.
References
{{Monoamine reuptake inhibitors
Monoamine-depleting agents
VMAT inhibitors