(+)-Sparteine is a natural alkaloid acting as a ganglionic blocking agent. (+)-Sparteine competitively blocks nicotinic ACh receptor in the neurons.
Hydroxybupropion is the major active metabolite of Bupropion. Hydroxybupropion is metabolized by CYP2B6.Bupropion is an atypical antidepressant and smoking-cessation agent. Hydroxybupropion inhibits norepinephrine uptake with an IC50 value of 1.7 μM. Hydroxybupropion is also a nACh receptor antagonis tis more potent than Bupropion[1] .
Br-PBTC is a potent, 2/4 subtype-selective positive allosteric modulator of nAChRs (nicotinic acetylcholine receptors) with α2β2，α2β4，α4β2，α4β4，(α4β2)2α4 and (α4β2)2β2 EC50 ranges from 0.1~0.6 μM. Br-PBTC acts from the c-tail of an α subunit[1].
Pyrantel is an orally active anthelmintic and an agonist of the nicotinic acetylcholine receptor (nAChR). Pyrantel can cause spasmodic muscle paralysis in parasites. Pyrantel can be used in the study of parasitic infections such as ascariasis, hookworm infections, intestinal worms (pinworm infections), trichinosis and trichinosis[1][2].
α-Conotoxin AuIA is a potent and selective α3β4 n-nAChR inhibitor. α-Conotoxin AuIA is a α-conotoxin that can be isolated from Conus aulicus[1].
Atracurium Besylate is a neuromuscular blocking agent with ED95 of 0.2 mg/kg. Target: nAChRAtracurium besylate is a neuromuscular-blocking drug or skeletal muscle relaxant in the category of non-depolarizing neuromuscular-blocking drugs, used adjunctively in anesthesia to facilitate endotracheal intubation and to provide skeletal muscle relaxation during surgery or mechanical ventilation. Atracurium is classified as an intermediate-duration non-depolarizing neuromuscular-blocking agent [1]. A 14C radiolabeled metabolism study in cats confirmed the lack of hepatic or renal involvement in the metabolism of atracurium: radioactivity eliminated in bile and urine was predominantly from metabolites rather than the unchanged parent drug [2].
PHA-543613 dihydrochloride is a potent, orally active, brain-penetrant and selective α7 nAChR agonist with a Ki value of 8.8 nM. PHA-543613 dihydrochloride displays selectivity for α7-nAChR over α3β4, α1β1γδ, α4β2 and 5-HT3 receptors[1]. PHA-543613 dihydrochloride can be used for the cognitive deficits of Alzheimer's disease and schizophrenia research[2][3].
Zaldaride maleate (CGS-9343B) is a potent and selective inhibitor of calmodulin. Zaldaride maleate (CGS-9343B) inhibits CaM (calmodulin)-stimulated cAMP phosphodiesterase activity, with an IC50 of 3.3 nM[1][2]. Zaldaride maleate (CGS-9343B) prevents estrogen-induced transcription activation by ER, reversibly blocks voltage-activated Na+, Ca2+ and K+ currents in PC12 cells and inhibits nAChR[3].
SIB-1508Y is an orally active and selective nAChR agonist. SIB-1508Y has the potential to study parkinsonism[1][2].
α-Conotoxin AuIB, a potent and selective α3β4 nicotinic acetylcholine receptor (nAChR) antagonist, blocks α3β4 nAChRs expressed in Xenopus oocytes with an IC50 of 0.75 μM[1].
Flupyrimin acts as an antagonist at the insect nicotinic acetylcholine receptor (nAChR)[1].
α-Conotoxin PeIA is an analgesic α-conotoxin.α-Conotoxin PeIA inhibits the α6β4, α9α10 and α3β2 nAChR.α-Conotoxin PeIA is also a potent inhibitor of N-type calcium channel via GABAB receptor activation[1][2][3].
Chlorisondamine (diiodide) is a potent nicotinic acetylcholine receptor (nAChR) antagonist and a ganglion blocker. Chlorisondamine antagonizes some of nicotine's central actions in a potent, long-lasting and pharmacologically selective way[1].
α7 Nicotinic receptor agonist-1 (Preparation 5) is an α7 nAChR agonist. α7 Nicotinic receptor agonist-1 can be used in studies of psychiatric disorders (such as schizophrenia, manic or hypomanic depression and anxiety disorders) and intellectual disorders (such as alzheimer's disease, learning deficits, cognitive deficits, attention deficits, memory loss, lewy body dementia and attention deficit hyperactivity disorder)[1].
Varenicline Tartrate(CP 526555;Champix) is a nicotinic receptor partial agonist; it stimulates nicotine receptors more weakly than nicotine itself does.IC50 value:Target: α4β2 nAChRVarenicline(CP 526555; Champix; Chantix) is a prescription medication used to treat smoking addiction. As a partial agonist it both reduces cravings for and decreases the pleasurable effects of cigarettes and other tobacco products. Through these mechanisms Varenicline(CP 526555; Champix; Chantix) can assist some patients to quit smoking.
(R)-(+)-Anatabine is an less active R-enantiomer of Anatabine. Anatabine is a potent α4β2 nAChR agonist[1]. Anatabine inhibits NF-κB activation lower amyloid-β (Aβ) production by preventing the β-cleavage of amyloid precursor protein (APP). Anatabine has anti-inflammatory effects and has the potential for neurodegenerative disorders treatment[2][3][4].
Catharanthine inhibits nicotinic receptor mediated diaphragm contractions with IC50 of 59.6 μM.Target: nAChRCatharanthine evokes a concentration-dependent attenuation of carbachol responses in the rat ileum preparation, producing rightward curve displacements and decreases in maximal agonist responses. The mixture of serpentine, plus ajmalicine and catharanthine reveals a concentration-dependent inhibitory effect of acethylcholinesterase (AchE), with an IC50 at ca. 2.25 μg/Ml [1]. Catharanthine can induce the self-association of tubulin into linear indefinite polymers with an efficacy that is 75% that of vinblastine or vincristine. Catharanthine binds to tubulin alpha-beta dimer with binding constant of 2.8 mM [2]. Catharanthine stimulates release of amylase from pancreatic fragments and to cause extensive degranulation of pancreatic acinar cells with accumulation of membrane material in the Golgi region. Catharanthine induces a delayed release of Ca2+ from prelabeled pancreatic fragments as compared to bethanechol [3]. Catharanthine inhibits epibatidine-induced Ca(2+) influx in TE671-α, -β, -γ, -δ cells in a noncompetitive manner with similar potencies IC50 of 17 mM-25 mM. Catharanthine inhibits [3H]TCP binding to the desensitized Torpedo AChR with higher affinity compared to the resting AChR. Catharanthine enhances [3H]cytisine binding to resting but activatable Torpedo AChRs, suggesting desensitizing properties [4].
(rel)-Asperparaline A ((rel)-Aspergillimide), an anthelmintic metabolite, is isolated from okara that has been fermented with Aspergillus japonicas JV-23. (rel)-Asperparaline A is also a potent and selective antagonist of nAChR. (rel)-Asperparaline A exhibits paralytic activity in silk worms[1][2].
α-Conotoxin MrIC is an α7nAChR biased agonist. α-Conotoxin MrIC exclusively activates α7nAChR regulated by type II positive allosteric modulators, including PNU120596. α-Conotoxin MrIC can be used to study neurological diseases and also to probe the pharmacological properties of α7nAChR[1].
Carbamoylcholine chloride is used to study responses mediated by nAChR and mAChR, including smooth muscle contraction, gut motility, and neuronal signaling.IC50 value: 10 to 10,000 nM (Ki)Target: nAChR, mAChRCarbamoylcholine is an analog of acetylcholine that activates acetylcholine receptors (AChR). Carbamoylcholine is an agonist of both nicotinic (nAChR) and muscarinic (mAChR) receptors, with reported Ki values ranging from 10 to 10,000 nM for different receptors and different preparations.
(Rac)-Monepantel sulfone-d5 is deuterium labeled Monepantel. Monepantel is organic anthelmintic, and acts as a positive allosteric modulator of a nematode-specific clade of nicotinic acetylcholine receptor (nAChR) subunits.
Mivacurium dichloride is a benzylisoquinoline derivative and is a short-acting non-depolarizing neuromuscular blocking agent and skeletal muscle relaxant. Mivacurium dichloride couples with the nAChR to reduce or inhibit the depolarizing effect of acetylcholine on the terminal disc of the muscle cell[1][2][3].
TQS is a α7 nicotinic acetylcholine receptor (nAChR) positive allosteric modulator. TQS can be used for the research of neuroinflammatory pain[1].
Ferulamide is a Ferulic acid derivative isolated from Portulaca oleracea L. with anticholinesterase activities[1][2].
Mecamylamine is an orally active, nonselective, noncompetitive nAChR antagonist. Mecamylamine is also a ganglionic blocker. Mecamylamine can across the blood-brain barrier. Mecamylamine can be used in the research of neuropsychiatric disorders, hypertension, antidepressant area[1][2][5].
Monepantel is organic anthelmintic, and acts as a positive allosteric modulator of a nematode-specific clade of nicotinic acetylcholine receptor (nAChR) subunits.
3-Bromocytisine (3-Br-cytisine) is a potent nACh receptors agonist, with IC50s are 0.28, 0.30 and 31.6 nM for hα4β4, hα4β2, and hα7-nACh, respectively. 3-Bromocytisine (3-Br-cytisine) shows different effects on high (HS) and low (LS) ACh sensitivity α4β2 nAChRs with EC50s are 8 and 50 nM, respectively[1][2].
α-Conotoxin M I is a potent and selective inhibitor of mAChR and α1β1γδ nAChR, but has no effect on nicotine-stimulated dopamine release. α-Conotoxins are small, disulfide-rich peptides that competitively inhibit muscle and neuronal nicotinic AChRs[1][2].
Glycerophosphoinositol choline is an essential nutrient that activates alpha7 nicotinic receptors and has analgesic and anti-inflammatory activity. Glycerophosphoinositol choline can affect diseases such as liver disease, atherosclerosis and neurological disorders[1][2].
A potent and selective α4β2 nAChR agonist with Ki of 16 nM; display selectivity over α7 nAChR (Ki>10 uM) and α1β1 nAChR; displays a similar potency and efficacy to (-)-nicotine to facilitate ACh release (EC50=3 uM), with less potent and less efficacious stimulate dopamine release (ABT-089, EC50=1.1 uM; (-)-nicotine, EC50=0.04 uM); shows effects on cognitive performance in rats and monkeys. Alzheimer Disease Phase 2 Discontinued