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The stoichiometry for GABA Transporter 1 is 2 Na +: 1 Cl −: 1 GABA. [13] The presence of a Cl − /Cl − exchange is also proposed because the Cl − transported across the membrane does not affect the net charge. [14] GABA is also the primary inhibitory neurotransmitter in the cerebral cortex and has the highest level of expression within ...
The signal is terminated by removal of GABA from the synaptic cleft by transport of GABA back into the nerve terminal by the plasma membrane GABA transporter (GAT) 1. GABA transporters in the plasma membrane help in regulating the concentration of GABA in the extracellular matrix by reabsorbing the transmitter and clearing the synapse.
GABA transporter 2 (GAT2; SLC6A13) also known as sodium- and chloride-dependent GABA transporter 2 is one of four GABA transporters, GAT1 , GAT2 (SLC6A13), GAT3 and BGT1 . [1] Note that GAT2 is different from BGT1 despite the fact that the latter transporter is sometimes referred at as (mouse) GAT-2.
In enzymology, 4-aminobutyrate transaminase (EC 2.6.1.19), also called GABA transaminase or 4-aminobutyrate aminotransferase, or GABA-T, is an enzyme that catalyzes the chemical reaction: 4-aminobutanoate + 2-oxoglutarate ⇌ {\displaystyle \rightleftharpoons } succinate semialdehyde + L-glutamate
Sodium- and chloride-dependent betaine transporter, also known as Na(+)/Cl(-) betaine/GABA transporter (BGT-1), is a protein that in humans is encoded by the SLC6A12 gene. BGT-1 is predominantly expressed in the liver (hepatocytes). [5] It is also expressed in the kidney [5] where it is regulated by NFAT5 during a response to osmotic stress. [6]
This in turn leads to increased extracellular concentrations of GABA and therefore an increase in GABAergic neurotransmission. [1] Gamma-aminobutyric acid (GABA) is an amino acid that functions as the predominant inhibitory neurotransmitter within the central nervous system, playing a crucial role in modulating neuronal activity in both the ...
Tiagabine, a drug used as an anticonvulsant, acts by inhibiting the GABA transporter 1. Neurotransmitter transporters inhibitors Vesicular transporters could provide an alternative therapeutic target for the modulation of chemical neurotransmission, as the activity of these transporters could affect the quantity of neurotransmitter released.
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