2. Signaling Pathways
  3. Membrane Transporter/Ion Channel
  4. EAAT

EAAT

Excitatory amino acid transporter ; Glutamate transporter;

EAAT

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Excitatory amino acid transporters or EAATs are the major transport mechanism for extracellular glutamate in the nervous system. This family of five carriers (EAAT1-5 ) not only displays an impressive ability to regulate ambient extracellular glu concentrations but also regulate the temporal and spatial profile of glu after vesicular release. This dynamic form of regulation mediates several characteristic of synaptic, perisynaptic, and spillover activation of ionotropic and metabotropic receptors. EAATs function through a secondary active, electrogenic process but also possess a thermodynamically uncoupled ligand gated anion channel activity, both of which have been demonstrated to play a role in regulation of cellular activity.

The glial glutamate transporter EAAT2 plays a major role in glutamate clearance. EAAT2 can be upregulated by transcriptional or translational activation.EAAT2 is a potential target for the prevention of excitotoxicity.

EAAT Isoform Specific Products:

EAAT Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N2309
    Kainic acid
    		Agonist 99.96%
    Kainic acid is a potent excitotoxic agent. Kainic acid hydrate also is an agonist for a subtype of ionotropic glutamate receptor. Kainic acid induces seizures.
    Kainic acid
  • HY-B1102
    Evans Blue
    Evans Blue (Direct Blue 53) is a potent inhibitor of L-glutamate uptake via the membrane bound excitatory amino acid transporter (EAAT). Evans Blue is a L-glutamate and kainate receptor-mediated currents inhibitor. Evans Blue has a strong affinity towards serum albumin, making it a high molecular weight protein tracer. Evans Blue is also used to study BBB (blood-brain barrier) permeability.
    Evans Blue
  • HY-107522
    DL-TBOA
    		Inhibitor 99.60%
    DL-TBOA is a potent non-transportable inhibitor of excitatory amino acid transporters with IC50s of 70 μM, 6 μM and 6 μM for excitatory amino acid transporter-1 (EAAT1), EAAT2 and EAAT3, respectively. DL-TBOA inhibits the uptake of [14C]glutamate in COS-1 cells expressing the human EAAT1 and EAAT2 with Ki valuesof 42 μM and 5.7 μM, respectively. DL-TBOA blocks EAAT4 and EAAT5 in a competitive manner with Ki values of 4.4 μM and 3.2 μM, respectively.
    DL-TBOA
  • HY-12741
    LDN-212320
    		Activator 99.09%
    LDN-212320 (LDN-0212320) is a glutamate transporter (GLT-1)/excitatory amino acid transporter 2 (EAAT2) activator (at translational level). LDN-212320 (LDN-0212320) prevents nociceptive pain by upregulating astroglial GLT-1 expression in the hippocampus and ACC[1]
    LDN-212320
  • HY-10914
    UCPH-101
    		99.76%
    UCPH-101 is an excitatory amino acid transporter subtype 1 (EAAT1) inhibitor with an IC50 of 0.66 μM.
    UCPH-101
  • HY-107523A
    WAY-213613 hydrochloride
    		Inhibitor 99.57%
    WAY-213613 (hydrochloride) is a potent and selective human EAAT2 inhibitor. WAY-213613 has potent EAAT2 inhibitory activity with an IC50 value of 85 nM. WAY-213613 can be used for the research of central nervous system.
    WAY-213613 hydrochloride
  • HY-114381
    GT 949
    		Agonist 99.25%
    GT 949 is a selective excitatory amino acid transporter-2 (EAAT2) positive allosteric modulator with an EC50 of 0.26 nM.
    GT 949
  • HY-107521
    TFB-TBOA
    		Inhibitor 99.28%
    TFB-TBOA (CF3-Bza-TBOA) is a potent glutamate transporter blocker that potently suppresses the activity of glial transporters. TFB-TBOA shows IC50 values of 22, 17, and 300 nM for glutamate transporters EAAT1, EAAT2, and EAAT3 respectively in an uptake assay using cells transiently expressing EAATs.
    TFB-TBOA
  • HY-146242
    SN05
    		Inhibitor 98.37%
    SN05 is a potent amino acid transport (AAT) inhibitor with Kis of 2.77 μM, 0.73 μM, 0.87 μM, 3.7 μM, 7.25 μM, 7.23 μM and 2.22 μM for human ASCT1, rat ASCT2, human ASCT2, EAAT1, EAAT2, EAAC1 and EAAT5, respectively. SN05 can be used for researching anticancer.
    SN05
  • HY-100784
    Dihydrokainic acid
    		Inhibitor ≥99.0%
    Dihydrokainic acid (DHK) is a glutamate transporter GLT1 (EAAT2) inhibitor. Dihydrokainic acid impairs novel object recognition (NOR) memory performance in mice. Dihydrokainic acid also shows epileptogenic effects.
    Dihydrokainic acid
  • HY-146241
    SN40
    		Inhibitor 99.26%
    SN40 is a potent amino acid transport (AAT) inhibitor with Kis of 7.29 μM, 2.42 μM, 2.94 μM, 5.55 μM, 24.43 μM and 5.55 μM for rat ASCT2, human ASCT2, EAAT1, EAAT2, EAAC1 and EAAT5, respectively. SN40 can be used for researching anticancer.
    SN40
  • HY-162455
    NA-014
    		Agonist 99.49%
    NA-014 (40) is a selective EAAT2 positive allosteric modulator (PAM), with an EC50 of 3 nM.
    NA-014
  • HY-139692
    EAAT2 activator 1
    		Activator 98.91%
    EAAT2 activator 1 is the potent activator of excitatory amino acid transporter 2 (EAAT2). EAAT2 is the major glutamate transporter and functions to remove glutamate from synapses. EAAT2 activator 1 increases EAAT2 protein levels dose-dependently.
    EAAT2 activator 1
  • HY-107523
    WAY-213613
    		Inhibitor ≥99.0%
    WAY-213613 is a potent and selective human EAAT2 inhibitor. WAY-213613 has potent EAAT2 inhibitory activity with an IC50 value of 85 nM. WAY-213613 can be used for the research of central nervous system
    WAY-213613
  • HY-118858
    UCPH-102
    		99.20%
    UCPH-102 is a highly selective EAAT1 inhibitor with an IC50 of 0.43 µM. UCPH-102 exhibits a specific anti-proliferative effect on T-ALL cells. UCPH-102 also shows good blood-brain permeability, which can be used in studies of amyotrophic lateral sclerosis, Alzheimer’s disease, chronic pain and obsessive compulsive disorder.
    UCPH-102
  • HY-146241B
    SN40 hydrochloride
    		Inhibitor 98.00%
    SN40 hydrochloride is a potent amino acid transport (AAT) inhibitor with Kis of 7.29 μM, 2.42 μM, 2.94 μM, 5.55 μM, 24.43 μM and 5.55 μM for rat ASCT2, human ASCT2, EAAT1, EAAT2, EAAC1 and EAAT5, respectively. SN40 hydrochloride can be used for researching anticancer.
    SN40 hydrochloride
  • HY-107524
    (±)-HIP-B
    		Inhibitor
    (±)-HIP-B is a non-competitive excitatory amino acid transporter (EAAT) blocker that effectively blocks Glu uptake (IC50=17-18 μM). (±)-HIP-B is also a lead compound against ischemia-induced neuronal degeneration. (±)-HIP-B can be used in the study of neurological diseases.
    (±)-HIP-B
  • HY-107522B
    DL-TBOA ammonium
    		Inhibitor
    DL-TBOA ammonium is a potent non-transportable inhibitor of excitatory amino acid transporters with IC50s of 70 μM, 6 μM and 6 μM for excitatory amino acid transporter-1 (EAAT1), EAAT2 and EAAT3, respectively. DL-TBOA ammonium inhibits the uptake of [14C]glutamate in COS-1 cells expressing the human EAAT1 and EAAT2 with Ki valuesof 42 μM and 5.7 μM, respectively. DL-TBOA ammonium blocks EAAT4 and EAAT5 in a competitive manner with Ki values of 4.4 μM and 3.2 μM, respectively.
    DL-TBOA ammonium
  • HY-100838
    cis-α-(Carboxycyclopropyl)glycine
    cis-α-(Carboxycyclopropyl)glycine (L-CCG III) is a potent, competitive glutamate uptake inhibitor. cis-α-(Carboxycyclopropyl)glycine is a substrate of glutamate transporters (GluT) (EC50: 13 μM, 2 μM for EAAT 1 and EAAT 2, respectively). cis-α-(Carboxycyclopropyl)glycine inhibits a Na+-dependent high-affinity L-glutamate uptake in glial plasmalemmal vesicles (GPV) and synaptosomes.
    cis-α-(Carboxycyclopropyl)glycine
  • HY-101227
    (±)-threo-3-Methylglutamic acid
    		Inhibitor
    (±)-threo-3-Methylglutamic acid is a potent EAAT2/4 inhibitor. (±)-threo-3-Methylglutamic acid also is an ionotropic glutamate receptor agonist. (±)-threo-3-Methylglutamic acid inhibits glutamate uptake by rod outer segments.
    (±)-threo-3-Methylglutamic acid
Cat. No. Product Name / Synonyms Application Reactivity
EAAT Isoform Comparison

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