High affinity, orally active non-opioid intracellular receptor sigma-1 (σ1R) selective agonist with in vivo efficacy in experimental mice and rats.
SA4503 is a high affinity, orally active non-opioid intracellular receptor sigma-1 (σ1R) selective agonist (IC50 = 17.4 nM against 200 nM (+)-pentazocine for binding σ1R), exhibiting ~100-fold less affinity for the sigma 2 receptor subtype (σ2R) and little or no affinity toward 36 other receptors, ion channels and second messenger systems. Oral administration is reported to elicit cerebral acetylcholine (ACh) release in rat frontal cortex and hippocampus (5-20 mg/kg p.o.) and reduce immobility time in a mouse forced swimming test (Immobility time = 214.8 s without vs. 111.6 s with 1.0 mg/kg oral dosage).
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Cardiovascular diseases are risk factors for depression in humans. We recently proposed that σ1 receptor (σ1R) stimulation rescued cardiac hypertrophy and heart failure induced by transverse aortic constriction (TAC) in mice. Importantly, σ1R stimulation reportedly ameliorates depression-like behaviors in rodents.
Pharmacology, biochemistry, and behavior, 150-151, 198-206 (2016-11-17)
This study examined the effect of the N-phenylpropyl-N'-substituted piperazine ligands SA4503 (3.4-dimethoxyphenethyl), YZ-067 (4-methoxyphenethyl), YZ-185 (3-methoxyphenethyl) and Nahas-3h (4-methoxybenzyl) on methamphetamine-induced hyperactivity in mice. In a previous study in rats, SA4503 increased methamphetamine-induced hyperactivity at a lower ligand dose and
European journal of pharmacology, 306(1-3), 271-279 (1996-06-13)
The binding profiles of SA4503 (1-(3,4-dimethoxyphenethyl)-4-(3-phenylpropyl)piperazine dihydrochloride), a novel sigma receptor ligand, to sigma 1 and sigma 2 receptor subtypes in guinea pig and rat brain membranes were evaluated. SA4503 showed a high affinity for the sigma 1 receptor subtype
European journal of pharmacology, 312(3), 267-271 (1996-10-03)
The immobility time in the mouse forced swimming test was dose-dependently reduced by sigma 1 receptor agonists, such as 1-(3,4-dimethoxyphenethyl)-4-(3-phenylpropyl)piperazine dihydrochloride (SA4503) and (+)-pentazocine, and non-specific sigma receptor agonists, such as 1,3-di(2-tolyl)guanidine (DTG) and (+)-N-cyclopropyl-methyl-N-methyl-1,4-diphenyl-1-yl-but-3-en-1-ylamin e hydrochloride (JO-1784). On the
Journal of pharmacological sciences, 131(3), 172-183 (2016-07-21)
Haloperidol is an antipsychotic drug that inhibits the dopamine D2 receptor among others. Haloperidol also binds the sigma-1 receptor (σ1R) and inhibits it irreversibly. A serious outcome of haloperidol treatment of schizophrenia patients is death due to sudden cardiac failure.
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