σ1 receptor antagonist-1

σ1 Receptor antagonist-1 is a selective σ1 receptor antagonist.

SST1 receptor antagonist-1 (Compound 23) is a selective antagonist of the somatostatin receptor 1 (SST1), showing a pKd of 9.11 for rSST1 and 8.79 for hSST1. This compound is applicable in research related to retinal and endocrine dysfunction, cancer, and neuropsychiatric disorders.

CRF1 Receptor Antagonist-1 (Compound 2), a CRF1 receptor antagonist, is utilized in research pertaining to congenital adrenal hyperplasia (CAH) [1].

Urotensin-II receptor antagonist-1 (compound 1) is a human Urotensin II receptor antagonist with low oral bioavailability (F=0-3% in rats) and a Ki of 16 nM in HEK293 cells expressing human recombinant UT receptors. It inhibits cytochrome P450 enzymes (IC50=0.75 μM for CYP2D6; 1.4 μM for CYP3A4), suppresses κ opioid receptors (EC50=3.2 μM), and targets cardiac sodium channels (Ki=2.5 μM).

Muscarinic M3 receptor antagonist-1 (Example 4) is an antagonist of the muscarinic acetylcholine receptor M3. It can be used for research on inflammatory or obstructive respiratory diseases.

Histamine H4 receptor antagonist-1 is a potent antagonist of the histamine H4 receptor (hydrochloride).

Dopamine D4 receptor antagonist-1 can be used in schizophrenia study. Dopamine D4 receptor antagonist-1 is a selective antagonist of Dopamine D4 receptor (DRD4). The Ki value of Dopamine D4 receptor antagonist-1 for Hd4.2 is 9.0 nM [1].

P2X7 receptor antagonist-1 is a purinergic P2X7 receptor antagonist with anti-neuroinflammatory effects.

EP2 receptor antagonist-1 is a reversible, potent, agonist-dependent variant of the prostaglandin EP2 receptor antagonist.EP2 receptor antagonist-1 exhibits anti-inflammatory activity.

Dopamine D3 receptor antagonist-1 is a dopamine D3 receptor-selective or multi-targeting ligand with a Ki value of 1.58 nM, showing therapeutic potential for central nervous system disorders.

LPA receptor antagonist-1 (example 52) serves as an antagonist for the lysophosphatidic acid (LPA) receptor and is applicable in various types of studies [1].

TP receptor antagonist-1 (compound 7m) serves as an antagonist for the thromboxane A2 receptor (TP receptor), exhibiting IC50 values of 9.46 μM for TPa and 8.49 μM for TPb. It is utilized in the study of cardiovascular diseases [1].

Y1 receptor antagonist 1 (H 409-22 isomer) is the active isomer of H-409/22, a neuropeptide Y (NPY) Y1 receptor antagonist that dose-dependently antagonizes the vascular response to exogenous and endogenous NPY in pigs. lagodeoxycholic acid (H 409-22 isomer) is the active isomer of H-409/22, an antagonist of neuropeptide Y (NPY) Y1 receptor.

LPA1 receptor antagonist 1(LPA1 R antagonist 1) is a selective and potent lysophosphatidic acid (LPA1) receptor antagonist (IC50 : 25 nM) for the study of idiopathic pulmonary fibrosis.

Sigma-1 receptor antagonist 1 is an effective and selective antagonist of sigma-1 receptor. Sigma-1 receptor antagonist 1 exhibits antineuropathic pain activity and can be used in the treatment of neuropathic pain studies.

H 409-22 isomer formic, a formate salt of Y1 receptor antagonist 1, is an antagonist of the neuropeptide Y1 receptor (neuropeptide Y1 receptor). This compound effectively blocks the actions of the receptor, playing a crucial role in modulating physiological responses.

Bradykinin B1 Receptor Antagonist 1 (compound 6B) is a potent bradykinin B1 antagonist that can cross the blood-brain barrier. It holds potential for pain research.

Sigma-1 receptor antagonist 2 is a more potent and selective antagonist of the sigma-1 receptor (σ1 R, Ki = 3.88 nM) compared to the sigma-2 receptor (Ki = 1288 nM).

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.

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.

PB28 is a cyclohexylpiperazine derivative that functions as a potent and highly selective agonist of the sigma 2 (σ2) receptor, exhibiting a Ki (binding affinity) of 0.68 nM. At the same time, PB28 acts as an antagonist of the sigma 1 (σ1) receptor, with a Ki of 0.38 nM. PB28 demonstrates a lower affinity for other receptors. It effectively inhibits electrically evoked twitch in both the guinea pig bladder (EC50 value of 2.62 μM) and ileum (EC50 value of 3.96 μM). Moreover, PB28 exhibits the ability to modulate protein-protein interaction between SARS-CoV-2 and human cells. Additionally, PB28 triggers caspase-independent apoptosis and possesses significant antitumor activity.

σ 1 Receptor/ μ Opioid receiver modulator 1 (Compound 44) is an effective σ 1 receptor antagonist (Ki=1.86 nM) and μ Opioid receptor agonists (Ki=2.1 nM). Opioid receptor modulator 1 shows potent analgesic activity, and can be used for the research of neuropathic pain.

BD1063 dihydrochloride is a potent and selective sigma 1 (σ1) receptor antagonist (Ki = 9 nM).

EST64454 hydrochloride (EST64454) is a highly soluble σ1 receptor antagonist (Ki : 22 nM),has the potential for Pain Management.