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DL-TBOA (ammonium)

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[1][2][3].

Product Specifications

CAS Number

[2093503-71-8]

UNSPSC

12352005

Target

EAAT

Type

Reference compound

Related Pathways

Membrane Transporter/Ion Channel

Applications

Neuroscience-Neuromodulation

Field of Research

Neurological Disease

Assay Protocol

https://www.medchemexpress.com/dl-tboa-ammonium.html

Solubility

10 mM in DMSO

Smiles

OC([C@@H](N)[C@@H](C(O)=O)OCC1=CC=CC=C1)=O.N

Molecular Formula

C11H16N2O5

Molecular Weight

256.26

References & Citations

[1]Shimamoto K, et al. DL-threo-beta-benzyloxyaspartate, a potent blocker of excitatory amino acid transporters. Mol Pharmacol. 1998 Feb;53 (2) :195-201.|[2]Jabaudon D, et al. Inhibition of uptake unmasks rapid extracellular turnover of glutamate of nonvesicular origin. Proc Natl Acad Sci U S A. 1999 Jul 20;96 (15) :8733-8.|[3]Shigeri Y, et al. Effects of threo-beta-hydroxyaspartate derivatives on excitatory amino acid transporters (EAAT4 and EAAT5) . J Neurochem. 2001 Oct;79 (2) :297-302.|[4]Pedraz-Cuesta E, et al. The glutamate transport inhibitor DL-Threo-β-Benzyloxyaspartic acid (DL-TBOA) differentially affects SN38- and oxaliplatin-induced death of drug-resistant colorectal cancer cells. BMC Cancer. 2015 May 16;15:411.|[5]Yumiko Sekiya, et al. Facilitation of morphine withdrawal symptoms and morphine-induced conditioned place preference by a glutamate transporter inhibitor DL-threo-beta-benzyloxyaspartate in rats. Eur J Pharmacol. 2004 Feb 6;485 (1-3) :201-10.

Shipping Conditions

Room temperature

Scientific Category

Reference compound1

Clinical Information

No Development Reported

Isoform

EAAT1; EAAT2; EAAT3

Curated Selection

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