sigma receptor

Sigma-1 receptor antagonist 3 is a potent and selective antagonist of Sigma-1 (σ1) receptor(Ki : 1.14 nM), has the potential for the neuropathic pain.

Sigma-1 receptor antagonist 4 (Compound 32) is a potent σ1R antagonist that significantly enhances morphine's analgesic effects and reverses morphine-induced analgesic tolerance, potentially preventing morphine tolerance [1].

Sigma-1 receptor antagonist 5 (compound 12), a 4-pyridylpiperidine derivative, exhibits analgesic properties through its antagonistic action on sigma receptors (Ki=4.5 nM (σ1R), 10 nM (σ2R)) and the histamine H3 receptor (hH3R, Ki=7.7 nM, IC50=215 nM). It effectively attenuates Capsaicin-induced nociception and demonstrates significant antinociceptive effects in both nociceptive and neuropathic pain models [1].

AF-710B is a specific variant of M1 muscarinic and Sigma-1 receptor agonist used in the study of neurological disorders such as Alzheimer's disease dementia and schizophrenia.

Opipramol (Ensidon) is a compound with antidepressant activity that attenuates cocaine-seeking behavior in a rat model of self-administration.Opipramol is a sigma (σ) receptor agonist with anxiolytic activity and may be used in the study of neurological disorders.

KB-5492 free base is an orally available and selective antiulcer agent that inhibits sigma receptors, inhibits [3H]1,3-di(2-tolyl)guanidine (DTG) binding to sigma receptors, and may be useful in the study of gastric lesions and gastric secretion.

OPC-14523 hydrochloride is an orally active sigma and 5-HT1A receptor agonist with antidepressant-like activity, showing high affinity for the sigma receptor σ1/2 (IC50=47/56 nM), the 5-HT1A receptor (IC50=2.3 nM), and the 5-HT transporter (IC50=80 nM).

S1R agonist 2 is a selective S1R agonist with a Ki of 88 nM for S2R and 1.1 nM for S1R and is protective against ROS and NMDA-induced neurotoxicity.

Amitriptyline hydrochloride (Annoyltin) is the hydrochloride salt of the tricyclic dibenzocycloheptadiene amitriptyline with antidepressant and antinociceptive activities.

BD 1008 dihydrobromide is a selective antagonist of the sigma 1 (σ1) receptor (Ki = 2 nM). BD 1008 dihydrobromide have high affinity for sigma1 receptors, moderate affinity for sigma2 receptors.

BMY-14802 hydrochloride (BMS 181100 hydrochloride) is a selective antagonist of σ receptor (IC50 = 112 nM) with antipsychotic effects. BMY-14802 hydrochloride is an agonist of the α1-adrenergic receptor and 5-HT1A.

Blonanserin (AD-5423) is an atypical antipsychotic approved in Japan in January, 2008. Relative to many other antipsychotics, blonanserin has an improved tolerability profile, lacking side effects such as extrapyramidal symptoms, excessive sedation, or hypotension.

Roluperidone (CYR-101), a novel cyclic amide derivative, exhibits high equipotent affinities for 5-HT2A and σ2 receptors with Ki values of 7.53 nM and 8.19 nM, respectively.

Glycerol phenylbutyrate (HPN-100) (GPB) is a new generation ammonia scavenger drug and it also is a sigma-2 (σ2) receptor ligand (pKi: 8.02).

BD-1047 dihydrobromide (BD1047.2HBr) , a selective functional antagonist of sigma receptors, has antipsychotic activity in animal models predictive of efficacy in schizophrenia.

S1RA (E-52862)(E-52862) is a potent, selective antagonist of the sigma-1 receptor (σ1R, Ki=17 nM), demonstrating significant selectivity over the sigma-2 receptor (σ2R, Ki > 1000 nM).

NE-100 hydrochloride (NE-100 HCl) is a potent and selective antagonist of σ1 (IC50 = 4.16 nM) with antipsychotic activity. NE100 HCl also suppresses ER stress-induced hippocampal cell death.

Amitriptyline (MK-230, N-750, Ro41575) is a tricyclic antidepressant (TCA) with analgesic properties. Amitriptyline is widely used to treat depression and neuropathic pain.

PB28 dihydrochloride is a selective and potent sigma 2 (σ2) receptor agonist and σ1 receptor antagonist with anti-SARS-CoV-2 activity and anti-tumor activity, which inhibits cell proliferation and invasion and suppresses SKF by modulating the PI3K-AKT-mTOR signaling pathway in renal cancer. It inhibits cell proliferation and invasion by regulating the PI3K-AKT-mTOR signaling pathway in renal cancer, inhibits calcium release from the endoplasmic reticulum of SK-N-SH neuroblastoma cells, and induces non-caspase-dependent apoptosis.

PRE-084 hydrochloride is a selective agonist of σ1(IC50:44 nM, in the sigma receptor assay).

Cutamesine dihydrochloride (SA4503 dihydrochloride) is a selective σ1 receptor agonist (IC50: 17.4 nM). It shows selectivity for σ1 over σ2 receptors, and inhibits angiotensin II-induced cardiomyocyte hypertrophy in vitro and attenuates myocardial hypertrophy in vivo. In a rat model of experimental stroke, it enhances brain plasticity and sensorimotor function.

Blarcamesine hydrochloride (AVex-73 hydrochloride) is a Sigma-1 Receptor agonist (IC50: 860 nM).

S1RA hydrochloride (E-52862 hydrochloride) is an effective and specific sigma-1 receptor(σ1R, Ki: 17 nM) antagonist, and has good selectivity against σ2R (Ki > 1000 nM).

4-IBP is a selective σ1 agonist with high affinity for the σ1 receptor (Ki = 1.7 nM) and moderate affinity for the σ2 receptor (Ki = 25.2 nM).