Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
VGLUT2 recognizes endogenous levels of total VGLUT2 protein.
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human VGLUT2 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Glutamatergic neurons release glutamate, the most common excitatory neurotransmitter. Their synaptic vesicles are filled with glutamate by vesicular glutamate transporters, VGLUTs (1). VGLUT1, also called solute carrier family 17 member 7 (SLC17A7), was first identified as an inorganic phosphate transporter (2). Despite the absence of homology with neurotransmitter transporters, VGLUT1 was later demonstrated to be a glutamate transporter (1) specific to glutamatergic neurons (3). Closely related to VGLUT1, VGLUT2 and VGLUT3 are also involved in glutamate uptake into synaptic vesicles, but define different neuronal subpopulations (4,5). VGLUT1 and VGLUT2 are the most abundant isoforms. VGLUT1 is expressed in the cortex, hippocampus, and cerebellar cortex, while VGLUT2 is mostly found in the thalamus (6,7). VGLUT3 is expressed in hair cells of the auditory system (8).
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