Sigma Receptor Antagonist

BD-1047 dihydrobromide is a selective functional antagonist of sigma receptors. BD-1047 dihydrobromide attenuates Apomorphine (HY-12723)-induced climbing and Phencyclidine-induced head twitches.

Zervimesine (CT1812) is an orally active and brain penetrant sigma-2 receptor antagonist with a K_i of 8.5 nM. Zervimesine can be used for the research of Alzheimer’s disease.

σ1R/H3R ligand-1 is a dual σ₁R/H₃R antagonist with a σ₁R K_i of 8.8 nM and an H₃R K_i of 31.2 nM. Through the dual action of simultaneously antagonizing σ1R and H3R, σ1R/H3R ligand-1 exhibits potent dose-dependent analgesic activity in mouse models of visceral pain and neuropathic pain. σ1R/H3R ligand-1 can be used for the research of visceral pain and neuropathic pain.

NE-100 hydrochloride is an orally active and selective sigma-1 receptor antagonist with an IC₅₀ of 4.16 nM. NE-100 hydrochloride can improve cognitive impairment and has neuroprotective and antipsychotic activities. NE-100 hydrochloride can be used for research on nervous system diseases.

BD-1063 dihydrochloride is a selective σ-1 receptor antagonist with inhibitory activity against TRPC5 and TRPM3. BD-1063 dihydrochloride exerts anti-hyperalgesic and anti-allodynic effects by inhibiting sustained calcium influx mediated by TRPC5 and TRPM3, and reverses the effects of Carrageenan (HY-125474). BD-1063 dihydrochloride also significantly reduces excessive ethanol self-administration behavior. BD-1063 dihydrochloride is widely used in studies on the mechanisms underlying neuropathic pain, inflammatory hyperalgesia, and alcohol abuse and dependence.

Blonanserin (AD-5423) is a potent and orally active 5-HT_2A (K_i=0.812 nM) and dopamine D2 receptor (K_i =0.142 nM) antagonist. Blonanserin is usually acts as an atypical antipsychotic agent and can be used for the research of extrapyramidal symptoms, excessive sedation, or hypotension.

S1RA (E-52862) hydrochloride is an orally active and selective sigma-1 receptor (σ1R) antagonist with a K_i value of 17 nM. S1RA hydrochloride shows good selectivity against σ2R (K_i >1000 nM). S1RA hydrochloride is a human 5-HT2B receptor antagonist with an IC₅₀ value of 4.7 μM. S1RA hydrochloride inhibits neuropathic pain and activity-induced spinal sensitization.

Rimcazole (BW 234U) dihydrochloride is a carbazole derivative that acts in part as a sigma (σ) receptor antagonist. Rimcazole dihydrochloride also binds with moderate affinity to the dopamine transporter and inhibit dopamine uptake. Rimcazole dihydrochloride can reduce locomotor activity and sensitization. Rimcazole dihydrochloride also can be used for the research of cancer.

S1RA (E-52862) is a highly selective σ1 receptor (σ1R) antagonist with K_is of 17 nM and 23.5 nM for human σ1R and guinea pig σ1R, respectively. S1RA has Moderate antagonistic activity for human 5-HT_2B receptor (K_i= 328 nM). S1RA has antinociceptive effects in neuropathic pain models. S1RA prevents mechanical and cold hypersensitivity in Oxaliplatin (HY-17371)-treated mice.

σ1 Receptor antagonist-1 is a highly potent and selective sigma 1 receptor antagonist (pK_i=10.28). σ1 Receptor antagonist-1 inhibits cell growth, arrests cell cycle at G0/G1 phase and induces apoptosis of MCF-7/ADR cells.

Opipramol (Ensidon) is an atypical tricyclic antidepressant (TCA). Opipramol acts primarily as a sigma (σ) receptor agonist and can potently interact with sigma recognition sites with a K_i value of 50 nM. Opipramol can be used for the research of generalized anxiety disorder (GAD).

Trifluperidol hydrochloride is a Sigma-1 receptor antagonist with a K_i value of 3.3 nM. Trifluperidol hydrochloride is used in the study of psychosis.

Sigma‑1 receptor antagonist 1 (compound 137) is a potent and selective sigma-1 receptor (σ1R) antagonist, with a high binding affinity to σ1R receptor (K_i = 1.06 nM). Sigma‑1 receptor antagonist 1 exhibits antineuropathic pain activity and acts as a promising agent for the treatment of neuropathic pain.

IPAG is a potent sigma-1 receptor antagonist with a pK_i of 4.3. IPAG induces apoptosis.

BMY 14802 is a sigma-1 receptor (σ1R) antagonist, as well as an agonist at serotonin (5-HT) 1A and adrenergic alpha-1 receptors. BMY 14802 inhibits abnormal involuntary movement (AIM) in rat Parkinson's disease (PD) model, with down-regulating the expression of AIM.

DuP 734 is a sigma receptor antagonist. DuP 734 is a selective and potent sigma and 5-HT2 receptor ligand with weak affinity for D2 receptors. DuP 734 may have antipsychotic activity without the liability of motor side effects typical of neuroleptics.

BD-1008 is a nonselective σ receptor antagonist with K_is against σ1 receptor and σ2 receptor of 2 nM and 8 nM. The BD-1008 has an extremely low affinity for the D2 receptor (K_i = 1112 nM) and dopamine transporter (DAT) (K_i > 10,000 nM). BD-1008 significantly antagonizes dopamine release in the shell region of the nucleus accumbens via the σ₂ receptor. BD-1008 blocks the self-administration behavior of σ agonists.BD-1008 can be used for the study of addiction therapy that target the σ receptor.

BMY-14802 hydrochloride (BMY-14802-1) is a selective and orally active sigma receptor antagonist with an IC₅₀ of 112 nM. BMY-14802 hydrochloride is also a 5-HT1A and adrenergic α1 receptors agonist. BMY-14802 hydrochloride has antipsychotic effects.

AB21 hydrochloride is a potent and selective S1R antagonist with K_is of 13, 102 nM for S1R and S2R. AB21 hydrochloride has the effect of reducing mechanical hypersensitivity.

Sigma-1 receptor antagonist 3 (compound135) is a potent and selective Sigma-1 (σ1) receptor antagonist with a K_i of 1.14 nM. Sigma-1 receptor antagonist 3 inhibits Human Ether-a-go-go-Related Gene (hERG) with an IC₅₀ of 1.54 μM. Sigma-1 receptor antagonist 3 has the potential for the neuropathic pain.