threo Ifenprodil hemitartrate
Cat. No. 2892
Chemical Name: (1S*,2S*)-threo-2-(4-Benzylpiperidi
Biological ActivityPotent σ receptor agonist (Ki values are 59.1 and 2 nM for σ1 and σ2 receptors respectively) and NR2B subunit-selective NMDA receptor antagonist (IC50 values are 0.22 and 324.8 μM at NR2B and NR2A respectively). Displays ~8-fold reduced affinity at α-adrenoceptors compared to Ifenprodil (Cat.No. 0545). Inhibits the hERG potassium channel (IC50 = 88 nM) and exhibits antiarrhythmic activity in vivo.
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Safety Data Sheet
Monassier et al (2007) σ2-receptor ligand-mediated inhibition of inwardly rectifying K+channels in the heart. J.Pharmacol.Exp.Ther. 322 341. PMID: 17460149.
Avenet et al (1996) Antagonist properties of the stereoisomers of ifenprodil at NR1A/NR2A and NR1A/NR2B subtypes of the NMDA receptor expressed in Xenopus oocytes. Eur.J.Pharmacol. 296 209. PMID: 8838458.
Hashimoto and London (1995) Interactions of erythro-ifenprodil, threo-ifenprodil and erythro-iodoifenprodil, and eliprodil with subtypes of σ receptors. Eur.J.Pharmacol. 273 307. PMID: 7737340.
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Keywords: threo Ifenprodil hemitartrate, supplier, NR2B, selective, NMDA, antagonists, receptors, s, σ, sigma, agonist, ionotropic, glutamate, iGluR, Tocris Bioscience, NMDA Receptor Antagonist products
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