mAChR1 Agonist

Xanomeline, as an effective and selective muscarinic type 1 and type 4 (M1/M4) receptor agonist, increases neuronal excitability. Xanomeline can be used for the research of neurological disorders, such as schizophrenia.

Bethanechol chloride (Carbamyl-β-methylcholine chloride), a parasympathomimetic agent, is a mAChR agonist that exerts its effects via directly stimulating the mAChR (M1, M2, M3, M4, and M5) of the parasympathetic nervous system.

Iperoxo is a potent superagonist of muscarinic acetylcholine receptor (mAChR) that activates M1, M2 and M3 receptors with pEC₅₀ of 9.87, 10.1 and 9.78. Iperoxo can be used for direct probing activation-related conformational transitions of muscarinic receptors when labeled with tritium.

Cevimeline hydrochloride (AF102B hydrochloride) is a quinuclidine derivative of acetylcholine and a selective and orally active muscarinic M1 and M3 receptor agonist. Cevimeline hydrochloride stimulates secretion by the salivary glands and can be used as a sialogogue for xerostomia. Cevimeline hydrochloride can cross the blood-brain barrier (BBB).

Cevimeline hydrochloride hemihydrate (SNI-2011) is a quinuclidine derivative of acetylcholine and a selective and orally active muscarinic M1 and M3 receptor agonist. Cevimeline hydrochloride hemihydrate stimulates secretion by the salivary glands and can be used as a sialogogue for xerostomia. Cevimeline hydrochloride hemihydrate can cross the blood-brain barrier (BBB).

MK-7622 (M1 receptor modulator) is an orally active positive allosteric modulator of muscarinic M1 acetylcholine receptors (mAChRs). MK-7622 enhances ACh-induced calcium flux in CHO cells expressing human M1 receptors (EC₅₀ = 21 nM) and shows robust agonist activity in rat M1-expressing CHO cells, increasing intracellular calcium. MK-7622 reverses Scopolamine (HY-N0296)-induced cognitive deficits in rhesus macaques in an object retrieval detour task. MK-7622 can be used for the study of Alzheimer's disease (AD).

VU0453595 is a highly selective, systemically active M₁ positive allosteric modulator (PAM, EC₅₀=2140 nM) for the research of schizophrenia.

Sabcomeline (SB-202026; Memric) hydrochloride is a muscarinic receptor agonist capable of crossing the blood-brain barrier. Sabcomeline hydrochloride exhibits affinity for all hM1 to hM5 subtypes (pK_i=6.72-7.23), and shows near-full agonism at the hM3 receptor, inducing extracellular acidification. Sabcomeline hydrochloride alters the binding kinetics of dopamine D2 receptors through neural network regulation. Sabcomeline hydrochloride also causes minimal cardiovascular changes, effectively reverses spatial memory deficits in rodents and induces conditioned taste aversion. Sabcomeline hydrochloride is an important tool compound in studies of Alzheimer's disease and related neurodegenerative diseases.

Smilagenin (SMI) is a small-molecule steroidal sapogenin from Anemarrhena asphodeloides and Pelargonium hortorum widely used in traditional Chinese medicine for treating chronic neurodegeneration diseases. Smilagenin (SMI) improves memory of aged rats by increasing the muscarinic receptor subtype 1 (M1)-receptor density. Smilagenin (SMI) attenuates Aβ(25-35)-induced neurodegenerationvia stimulating the gene expression of brain-derived neurotrophic factor, may represents a novel therapeutic strategy for AD.

VU0357017 hydrochloride (CID-25010775) is a potent, selective and brain-penetrant allosteric agonist of M₁ muscarinic acetylcholine receptor, with an EC₅₀ of 477 nM. VU0357017 hydrochloride is highly selective for M₁ and has no activity at M₂-M₅ up to the highest concentrations tested (30 μM). VU0357017 hydrochloride can be used for the research of Alzheimer’s disease and schizophrenia.

N-Desmethylclozapine is a major active metabolite of the atypical antipsychotic agent Clozapine. N-Desmethylclozapine is a potent, allosteric and partial M1 receptors agonist (EC₅₀=115 nM) and is able to potentiate hippocampal N-methyl-d-aspartate (NMDA) receptor currents through M1 receptor activation. N-Desmethylclozapine is also a δ-opioid agonist.

McN-A-343 is a selective M1 muscarinic agonist that stimulates muscarinic transmission in sympathetic ganglia. McN-A-343 produces a significant inhibitory effect on Muscarine (HY-121404)-evoked catecholamine secretion from the isolated perfused rat adrenal gland. McN-A-343 is involved in the regulation of neuronal firing and activates enteroendocrine L cells to release glucagon-like peptide 1 (GLP-1) and modulates the secretion of α-melanocyte stimulating hormone (α-MSH) from the pituitary gland in the central nervous system. McN-A-343 reduces colonic inflammation and oxidative stress in Acetic acid (HY-Y0319)-induced ulcerative colitis (UC) mice. McN-A-343 can be used for the study of ulcerative colitis.

VU0364572 TFA is an orally active and selective allosteric agonist of the M1 muscarinic receptor with an EC₅₀ of 0.11 μM. VU0364572 TFA has neuroprotective potential for preventing memory impairments and reducing neuropathology in Alzheimer’s Disease. VU0364572 TFA is CNS penetrant.

TBPB (tert-butyl peroxybenzoate) is a highly selective, blood-brain-permeable M1 mAChR allosteric agonist (EC₅₀=289 nM) with anti-schizophrenia and anti-inflammatory activities. TBPB can enhance the sensitivity of M1 receptors to acetylcholine, activate downstream signaling pathways, and inhibit the release of pro-inflammatory cytokines (TNF-α, IL-6). TBPB can regulate the processing of amyloid and can be used in the study of neurodegenerative diseases (such as Alzheimer's disease) and inflammation-related diseases (such as sepsis).

AC260584 is an M1 muscarinic receptor allosteric agonist with a pEC₅₀ of 7.6.

Cevimeline (AF-102B) is a quinuclidine derivative of acetylcholine and a selective and orally active muscarinic M1 and M3 receptor agonist. Cevimeline stimulates secretion by the salivary glands and can be used as a sialogogue for xerostomia. Cevimeline can cross the blood-brain barrier (BBB).

Nebracetam (WEB 1881 FU) hydrochloride is an orally active M₁ muscarinic receptor agonist. Nebracetam hydrochloride can induce an increase in intracellular Ca²⁺ concentration, with an EC₅₀ value of 1.59 mM. Nebracetam hydrochloride exhibits neuroprotective activity and the ability to improve cognitive impairment. Nebracetam hydrochloride can be used in the research of neurological diseases such as Alzheimer's disease.

Bethanechol (Carbamyl-β-methylcholine), a parasympathomimetic agent, is a mAChR agonist that exerts its effects via directly stimulating the mAChR (M1, M2, M3, M4, and M5) of the parasympathetic nervous system.

Milameline (CI 979; RU35926) hydrochloride is a nonselective, partical and orally active muscarinic receptor agonist that improves cognition. Milameline hydrochloride has equal affinity for different subtypes of human muscarinic receptors with IC₅₀ of 1.3 µM for M1-, 1.1 µM for M2-, 1.5 µM for M3-, and 1.9 µM for M4-muscarinic receptors. Milameline hydrochloride has a higher affinity for sites [³H]CMD (IC₅₀ = 20 nM), than [³H]QNB, (IC₅₀ = 3059 nM). Milameline hydrochloride produces both central and peripheral cholinergic effects and reverses the cognitive deficits induced by Scopolamine (HY-N0296). Milameline hydrochloride can be used for the study of Alzheimer’s Disease.

M1/M4 muscarinic agonist 1 (compound 41) is a selective muscarinic M4/M1 agonist with EC₅₀ values of 14 and 55 nM for M4 and M1, respectively. M1/M4 muscarinic agonist 1 can be used for research on mental diseases, such as schizophrenia, delusional disorder, etc.