Human EAAT1/GLAST-1 Antibody Summary
Accession # P43003
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
EAAT1/GLAST-1 in Human Brain Tissue. EAAT1/GLAST-1 was detected in immersion fixed paraffin-embedded sections of human brain (cerebellum) tissue using Mouse Anti-Human EAAT1/GLAST-1 Monoclonal Antibody (Catalog # MAB6048) at 5 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to neuronal puncta in molecular layer. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
GLAST-1 (Sodium dependent GLu/ASp Transporter 1; also SLC1A3 and EAAT1) is a 60‑62 kDa member of the SDF symporter family of molecules. It is expressed by glia, fibroblasts, and select neuron cell types such as hippocampal neurons. EAAT1 is known to transport L‑glutamate into glia, thus removing glutamate from synaptic areas where it either acts too long, or becomes toxic at elevated concentration. Its action is dependent on its ability to cotransport sodium. Human EAAT1 is a 542 amino acid (aa), 8-transmembrane variably glycosylated protein that contains N- and C-terminal cytoplasmic domains. Homodimers are reported to exist, but only when EAAT1 shows glycosylation. There are at least two potential isoform variants. One shows an Arg substitution for aa 430‑475, while a second shows a four aa substitution for aa 62‑542. Over an extracellular loop that encompasses aa 146‑237, human EAAT1 shares 92% aa identity with mouse EAAT1.
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