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- Peptide (C)EFRQEEFRKLAGR, corresponding to amino acid residues 2-14 of rat VGLUT1 (Accession Q62634). Cytoplasmic, N-terminus.
- Western blot analysis of rat cortex lysate (lanes 1 and 3) and mouse brain lysate (lanes 2 and 4):1,2. Anti-VGLUT1 Antibody (#AGC-035), (1:200).
3,4. Anti-VGLUT1 Antibody, preincubated with the negative control antigen.
- Expression of VGLUT1 in rat cortexImmunohistochemical staining of perfusion-fixed rat brain frozen sections using Anti-VGLUT1 Antibody (#AGC-035), (1:400), followed by goat-anti-rabbit-Alexa-488. VGLUT1 staining (green) appears in neurons of the pyramidal layer of the parietal cortex (arrows). DAPI is used as the nuclear counterstain (blue).
Glutamate is the major excitatory neurotransmitter in the mammalian central nervous system (CNS) and is responsible for most of the fast synaptic neurotransmission. Glutamate has great contribution for learning, memory, and neuronal plasticity. Dysregulation of glutamate transmission plays a role in the pathophysiology of several psychiatric and neurological diseases1.
Three vesicular glutamate transporters (VGLUT1, VGLUT2, and VGLUT3) have been identified. They are responsible for packaging and transporting glutamate into synaptic vesicles. VGLUTs in part regulate the storage and release of glutamate in excitatory circuits in the brain.
All three VGLUT isoforms are highly conserved and have the same predicted topology including 12 putative transmembrane domains. They all share a conserved dileucine-like motif in the C terminus. This motif was found to be important for VGLUT1 endocytosis. In addition, VGLUT1 contains two polyproline domains distal to the C-terminal dileucine-like motif, including one that interacts with the endocytic BAR (Bin/Amphiphysin/Rvs) domain protein endophilin. Two additional dileucine-like motifs are present in the N terminus of VGLUT1 that are not well conserved in the other isoforms1-3.
VGLUT1 is expressed in the hippocampus, cerebral cortex, and cerebellar cortex and appears to be the main isoform expressed in the cortex. The transporter is also detected in the enteric nervous system and pancreatic tissue. VGLUT1 has been suggested to influence the properties of the release of glutamate1,2.
Species reactivity key:
Anti-VGLUT1 Antibody (#AGC-035) is a highly specific antibody directed against an epitope of rat Vesicular glutamate transporter 1. The antibody can be used in western blot and immunohistochemistry applications. It has been designed to recognize VGLUT1 from rat, mouse, and human samples.
- Anti-VGLUT2 Antibody (#AGC-036)
- Anti-VGLUT3 Antibody (#AGC-037)
- Anti-Vesicular GABA Transporter (VGAT) Antibody (#AGT-005)
- Anti-mGluR2 (extracellular) Antibody (#AGC-011)
- Anti-mGluR3 (extracellular) Antibody (#AGC-012)
- Anti-NMDAR1 (GluN1) (extracellular) Antibody (#AGC-001)
- Anti-GluR4 (GluA4) (extracellular) Antibody (#AGC-019)
- Anti-GRID1 (extracellular) Antibody (#AGC-038)
- Anti-Shank3 Antibody (#APZ-013)
- Anti-SLC17A5 (Sialin) Antibody (#AST-015)
- Anti-EAAT1 (GLAST) (extracellular) Antibody (#AGC-021)
- Anti-EAAT2 (GLT-1) (extracellular) Antibody (#AGC-022)
- Anti-EAAT3 (EAAC1) Antibody (#AGC-023)
- Anti-EAAT4 (extracellular) Antibody (#AGC-024)
- Anti-SLC1A7 (extracellular) Antibody (#AGC-025)
- Anti-SLC17A9 Antibody (#ANT-085)