AChE Inhibitor

Nodakenin is a major coumarin glucoside in the root of Angelica decusiva. Nodakenin inhibits acetylcholinesterase (AChE) activity with an IC₅₀ of 84.7 μM.

Tacrine hydrochloride is a potent brain-penetrant inhibitor of both AChE and BChE, with IC₅₀s of 31 nM and 25.6 nM, respectively. Tacrine hydrochloride is also a NMDAR inhibitor, with an IC₅₀ of 26 μM. Tacrine hydrochloride can be used for the research of Alzheimer’s disease.

Corydaline ((+)-Corydaline), an isoquinoline alkaloid isolated from Corydalis yanhusuo, is an AChE inhibitor with an IC₅₀ of 226 μM. Corydaline is a μ-opioid receptor (K_i of 1.23 μM) agonist and inhibits enterovirus 71 (EV71) replication (IC₅₀ of 25.23 μM). Corydaline has anti-angiogenic, anti-allergic and gastric-emptying and antinociceptive activities.

Ethopropazine (Isothazine) hydrochloride is a potent and selective BChE inhibitor, a poor AChE inhibitor and a non-selective mAChR and NMDA antagonist. Ethopropazine hydrochloride has anticholinergic, antihistamine, antiadrenergic actions and properties. Ethopropazine hydrochloride alleviates thermal hyperalgesia in a dose dependent manner. Ethopropazine hydrochloride can be used for the research of Parkinson’s disease.

(-)-Carvone is an insect neurotoxin and a irreversible acetylcholinesterase (AChE) inhibitor. (-)-Carvone can be used as a bird repellent, inhibits larval growth, decreases pupatation rate, and increases mortality of larvae.

Physostigmine salicylate (Eserine salicylate) is a reversible acetylcholinesterase (AChE) inhibitor. Physostigmine salicylate crosses the blood-brain barrier and stimulates central cholinergic neurotransmission. Physostigmine salicylate can reverse memory deficits in transgenic mice with Alzheimer's disease. Physostigmine salicylate is also an antidote for anticholinergic poisoning.

Tacrine is an effective oral acetylcholine (AChE) inhibitor (IC₅₀ = 109 nM) and also acts as an active substrate for CYP1A2. Tacrine can restore cognitive dysfunction in elderly rats. Tacrine can cause liver toxicity and is used in research related to Alzheimer's disease.

Cyanidin-3-O-galactoside chloride (Ideain chloride) is a component from extract peel of hawthorn fruit (EPHF) with the value of 179.4 mg/g. EPHF exhibits strong AChE inhibitory activity.

Trimethylammonium chloride (Hegzadesil) is a non-competitive Acetylcholinesterase inhibitor. Trimethylammonium chloride reversibly blocks the deacetylation of acetylcholinesterase.

Sinapine thiocyanate is an alkaloid isolated from seeds of the cruciferous species. Sinapine thiocyanate exhibits anti-inflammatory, anti-oxidant, anti-tumor, anti-angiogenic and radio-protective effects. Sinapine thiocyanate is also an acetylcholinesterase (AChE) inhibitor and can be used for the research of Alzheimer’s disease, ataxia, myasthenia gravis, and Parkinson’s disease.

Chavicol (p-Hydroxyallylbenzene) is a phenylpropane compound. Chavicol can be isolated from the bark of Sassafras tzumu. Chavicol exhibits Acetylcholinesterase inhibitory activity (IC₅₀ = 7.42 μM). Chavicol produces a 3% inhibitory effect on antigen-IgE-mediated degranulation in mast cells.

Galanthamine hydrobromide (Galantamine hydrobromide) is a selective, reversible, competitive, alkaloid AChE inhibitor, with an IC₅₀ of 0.35 µM. Galanthamine hydrobromide is a potent allosteric potentiating ligand (APL) of human α₃β₄, α₄β₂, α₆β₄ nicotinic receptors ( nAChRs). Galanthamine hydrobromide is developed for the research of Alzheimer's disease (AD).

Fustinis ((±)-Fustin; 3,7,3',4'-Tetrahydroxyflavanone) is a potent amyloid β (Aβ) inhibitor. Fustinis ((±)-Fustin; 3,7,3',4'-Tetrahydroxyflavanone) increases the expression of acetylcholine (ACh) levels, choline acetyltransferase (ChAT) activity, and ChAT gene induced by Aβ (1-42). Fustinis ((±)-Fustin; 3,7,3',4'-Tetrahydroxyflavanone) decreases in acetyl cholinesterase (AChE) activity and AChE gene expression induced by Aβ (1-42). Fustinis ((±)-Fustin; 3,7,3',4'-Tetrahydroxyflavanone) increases muscarinic M1 receptor gene expression and muscarinic M1 receptor binding activity. Fustinis ((±)-Fustin; 3,7,3',4'-Tetrahydroxyflavanone) can be used for Alzheimer's disease research.

Minaprine dihydrochloride is a brain-penetrant monoamine oxidase inhibitor. Minaprine dihydrochloride also weakly inhibits acetylcholinesterase (AChE) activity. Minaprine dihydrochloride reduces intraneuronal dopamine metabolism, lowers striatal homovanillic acid and dihydroxyphenylacetic acid levels, and raises striatal 3-methoxytyramine and 5-hydroxytryptamine levels. Minaprine dihydrochloride exhibits convulsant, antidepressant properties.

N-p-trans-Coumaroyltyramine is a natural phenolic amide compound and an inhibitor of AChE (IC₅₀: 122 μM) and α-glucosidase (IC₅₀: 2.7 μM). N-p-trans-Coumaroyltyramine also has anti-trypanosomal activity, with an IC₅₀ of 13.3 µM against T. brucei rhodesiense. N-p-trans-Coumaroyltyramine can be used in the research of diseases such as Alzheimer's disease.

Physostigmine hemisulfate (Eserine hemisulfate) is a reversible acetylcholinesterase (AChE) inhibitor. Physostigmine hemisulfate can crosses the blood-brain barrier and stimulates central cholinergic neurotransmission. Physostigmine hemisulfate can reverse memory deficits in transgenic mice with Alzheimer's disease. Physostigmine hemisulfate is also an antidote for anticholinergic poisoning.

Skimmianine is an orally active furoquiniline alkaloid present mainly in the Rutaceae family. Skimmianine has analgesic, antispastic, sedative, and anti-inflammatory properties. Skimmianine inhibits acetylcholinesterase (AChE) (IC₅₀ = 8.6 μg/mL). Skimmianine exhibits cytotoxicity against a variety of cancer cell lines and genotoxicity. Skimmianine has antioxidant and anti-inflammatory effects on ischemia-reperfusion (IR) injury. Skimmianine exerts anti-inflammatory effects through activation of the phosphatidylinositol-3-kinase (PI3K)-protein kinase B (AKT) pathway. Skimmianine is neuroprotective by targeting the NF-κB activation pathway to prevent neuroinflammation. Skimmianine inhibits the release of histamine, intracellular Ca²⁺ signaling and protein kinase C signaling.

Cornuside is an iridoid glycoside with anti-allergic, anti-inflammatory, and neuroprotective activities. Cornuside exerts anti-allergic activity by downregulating the p38 MAPK, JNK, and NF-κB signaling pathways, and inhibits IgE-mediated histamine release from mast cells. Cornuside improves cognitive impairment in mice by inhibiting BACE1 activity (IC₅₀ = 55.84 μg/mL) and enhancing ChAT activity. Cornuside inhibits LPS (HY-D1056)-induced inflammatory mediators, including iNOS, COX-2, PGE2, TNF-α, IL-6, and IL-1β, by suppressing NF-κB activation.

Itopride (HSR803) hydrochloride is a potent dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride hydrochloride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD).