165377-43-5

Cutamesine (SA4503; AGY-94806) is a selective sigma 1 receptor(σ1R) agonist; high affinity for the sigma 1 receptor (IC50= 17.4±1.9 nM); 100-fold less affinity for the sigma 2 receptor.

Sigma 1 Receptor

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[1] Matsuno K, et al. Binding properties of SA4503, a novel and selective sigma 1 receptor agonist. Eur J Pharmacol. 1996 Jun 13;306(1-3):271-9. DOI:10.1016/0014-2999(96)00201-4
[2] Minabe Y, et al. Acute and chronic administration of the selective sigma1 receptor agonist SA4503 significantly alters the activity of midbrain dopamine neurons in rats: An in vivo electrophysiological study. Synapse. 1999 Aug;33(2):129-40. DOI:10.1002/(SICI)1098-2396(199908)33:23.0.CO;2-E
[3] Ono Y, et al. SA4503, a sigma-1 receptor agonist, suppresses motor neuron damage in in vitro and in vivo amyotrophic lateral sclerosis models. Neurosci Lett. 2014 Jan 24;559:174-8. DOI:10.1016/j.neulet.2013.12.005