2. Signaling Pathways
  3. Neuronal Signaling
  4. Cholinesterase (ChE)

Cholinesterase (ChE)

Cholinesterase (ChE)

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Cholinesterase (ChE) is a family of enzymes present in the central nervous system, particularly in nervous tissue, muscle and red cells, which catalyze the hydrolysis of the neurotransmitter acetylcholine into choline and acetic acid, a reaction necessary to allow a cholinergic neuron to return to its resting state after activation. It is one of many important enzymes needed for the proper functioning of the nervous systems of humans.

There are two types: acetylcholinesterase (AChE, acetylcholine hydrolase) and butyrylcholinesterase (BChE, acylcholine acylhydrolase), also known as nonspecific cholinesterase or pseudocholinesterase. AChE is primarily found in the blood on red blood cell membranes, in neuromuscular junctions, and in neural synapses, while BChE is produced in the liver and found primarily in plasma. The difference between the two types of cholinesterase is their relative preferences for substrates: AChE hydrolyzes acetylcholine faster while BChE hydrolyzes butyrylcholine faster.

Cholinesterase (ChE) Isoform Specific Products:

Cholinesterase (ChE) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-B0732AS
    Itopride-d6
    		Antagonist
    Itopride-d6 (HSR803-d6 (free base)) is deuterium labeled Itopride. Itopride (HSR803 free base) is a potent and orally active dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride 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).
    Itopride-d<sub>6</sub>
  • HY-B1120R
    Temephos (Standard)
    		Inhibitor
    Temephos (Standard) is the analytical standard of Temephos. This product is intended for research and analytical applications. Temephos (Temefos) is an orally active, blood-brain barrier-permeable organophosphate insecticide and AChE inhibitor. By irreversibly inhibiting AChE to induce cholinergic overactivation, Temephos effectively blocks larval development of Aedes aegypti (yellow fever mosquito) and Aedes albopictus (Asian tiger mosquito), and is commonly used in studies related to Dengue Virus, Zika Virus and other relevant pathogens. Temephos exhibits genotoxicity and neurodevelopmental toxicity, and may also cause liver injury, reproductive system abnormalities and cholinergic poisoning symptoms in mammals. Temephos tends to accumulate in adipose tissues and aquatic organisms, and is excreted via feces after metabolism through oxidation and hydrolysis. Note that CYP-mediated metabolic detoxification may reduce the actual larvicidal efficacy of Temephos against some mosquito species. Temephos can be used in research related to dengue fever, Zika virus disease, chikungunya and dracunculiasis.
    Temephos (Standard)
  • HY-107922R
    Ethopropazine hydrochloride (Standard)
    		Inhibitor
    Ethopropazine (hydrochloride) (Standard) is the analytical standard of Ethopropazine (hydrochloride) (HY-107922). This product is intended for research and analytical applications. 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.
    Ethopropazine hydrochloride (Standard)
  • HY-B1885R
    Fenitrothion (Standard)
    		Inhibitor
    Fenitrothion (Standard) is the analytical standard of Fenitrothion (HY-B1885). This product is intended for research and analytical applications. Fenitrothion is a broad-spectrum and orally active insecticide/acaricide. Fenitrothion inhibits cholinesterase, AMPKα and IRS1/PI3K/AKT. Fenitrothion causes Apoptosis, reduces SOD activity. Fenitrothion shows insecticidal effect against Rhyzopertha dominica and Tribolium castaneum adults. Fenitrothion is widely used in cotton crops, vegetable crops, fruit crops and field crops, especially rice. Fenitrothion can be used for brain and spleen toxicology studies.
    Fenitrothion (Standard)
  • HY-U00028
    T 82
    		Inhibitor
    T 82 is a potent 5-HT3 antagonist and acetylcholinesterase (AChE) inhibitor, used for treatment of Alzheimer's Disease.
    T 82
  • HY-132561S
    RPR121056-d3
    RPR121056-d3 is the deuterium labeled RPR121056. RPR121056 is a metabolite of Irinotecan (HY-16562), which is generated by CYP3A4. Irinotecan (CPT-11) is an antineoplastic agent that inhibits topoisomerase type I, causing cell death, and is widely used in the study of colorectal cancer. Irinotecan also directly inhibits AChE.
    RPR121056-d<sub>3</sub>
  • HY-W042583
    Deoxynojirimycin tetrabenzyl ether
    		Inhibitor
    Deoxynojirimycin tetrabenzyl ether (compound 2) is an inhibitor of hBuChE with IC50 value of 2.0 μM.
    Deoxynojirimycin tetrabenzyl ether
  • HY-B1738AR
    Pralidoxime iodide (Standard)
    		Activator
    Pralidoxime (iodide) (Standard) is the analytical standard of Pralidoxime (iodide). This product is intended for research and analytical applications. Pralidoxime iodide is a potent reactivator of acetylcholinesterase (AChE). Pralidoxime iodide reactivates nerve agent-inhibited AChE via direct nucleophilic attack by the oxime moiety on the phosphorus center of the bound nerve agent. Pralidoxime iodide is an antidote for organophosphate poisoning.
    Pralidoxime iodide (Standard)
  • HY-B0828S
    Triazophos-d5
    		Inhibitor
    Triazophos-d5 (Hostathion 40EC-d5) is the deuterium labeled Triazophos(HY-B0828). Triazophos, a non-systemic insecticide and acaricide that acts as an acetylcholinesterase (AChE) inhibitor, covalently and irreversibly binds to the acetylcholine binding site, thus blocking the hydrolysis of acetylcholine and leading to hyperexcitability; it is effective against a variety of soil insects and mites, including aphids, thrips, midges, beetles, Lepidoptera larvae, cutworms, and spider mites in crops such as ornamentals, cotton, rice, maize, soybeans, oil palms, olives, and coffee.
    Triazophos-d<sub>5</sub>
  • HY-N15414
    Demethoxykanugin
    		Inhibitor
    Demethoxykanugin (Desmethoxykanugin, compound 1) is a acetylcholine (AChE) inhibitor. Demethoxykanugin shows cell cytotoxicity agains Vero cells.
    Demethoxykanugin
  • HY-W017423R
    (-)-Carvone (Standard)
    		Inhibitor
    (-)-Carvone (Standard) is the analytical standard of (-)-Carvone. This product is intended for research and analytical applications. (-)-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.
    (-)-Carvone (Standard)
  • HY-W749948
    Acephate-d6
    		Inhibitor
    Acephate-d6 is the deuterium labeled Acephate (HY-B0841). Acephate is a broad-spectrum anticholinesterase insecticide. Acephate acts via inhibiting AChE activity of insects. Acephate is used for control of several species of insects in agriculture and in horticulture.
    Acephate-d<sub>6</sub>
  • HY-N13926
    Arisugacin F
    		Control
    Arisugacin F, a microbial metabolite, is a structural analog of Arisugacin A (HY-N13901). Arisugacin F shows no activity against AChE.
    Arisugacin F
  • HY-173413
    Insecticidal agent 21
    		Inhibitor
    Insecticidal agent 21 (Compound 6) is an insecticide that is effective against Culex pipiens larvae (LC50: 0.4 μg/mL). Insecticidal agent 21 achieves multi-target neurotoxicity by inhibiting acetylcholinesterase (AChE) and simultaneously targeting other neural receptors (nicotinic acetylcholine receptors (nAChR), voltage-gated sodium channels (VGSC), and γ-aminobutyric acid receptors (GABAAR)). Insecticidal agent 21 has a strong insecticidal effect and can be used in the development of new insecticides to address the problem of mosquito resistance to traditional insecticides.
    Insecticidal agent 21
  • HY-105581
    Quintiofos
    		Inhibitor
    Quintiofos (Oxinothiofos) is an insecticide. Quintiofos inhibits the activity of acetylcholinesterase in insects, causing nerve conduction disorders, thereby achieving an insecticidal effect. Quintiofos can be used to control a variety of pests, such as aphids, whiteflies, and stem borers.
    Quintiofos
  • HY-B0949S
    Protriptyline (N-methyl-d3) hydrochloride
    		Inhibitor
    Protriptyline (N-methyl-d3) (hydrochloride) is the deuterium labeled Protriptyline hydrochloride. Protriptyline hydrochloride is a tricyclic antidepressant (TCA), specifically a secondary amine, for the treatment of depression and ADHD. Unique among the TCAs, protriptyline tends to be energizing instead of sedating, used for narcolepsy to achieve a wakefulness-promoting effect.
    Protriptyline (N-methyl-d<sub>3</sub>) hydrochloride
  • HY-N13923
    Arisugacin C
    		Inhibitor
    Arisugacin C is an acetylcholinesterase (AChE) inhibitor with an IC50 of 2.5 μM.
    Arisugacin C
  • HY-W325160
    4-Chlorochalcone
    		Inhibitor
    4-Chlorochalcone (Compound 3) is a monoamine oxidase inhibitor (hMAO-B: IC50 = 0.082 μM, hMAO-A: IC50 = 9.95 μM). 4-Chlorochalcone also exhibits inhibitory activity against cholinesterase (AChE: IC50 = 2.79 μM). 4-Chlorochalcone is a chalcone derivative.
    4-Chlorochalcone
  • HY-170775
    AChE-IN-83
    		Inhibitor
    AChE-IN-83 (compound f1) is an inhibitor of AChE that inhibits the growth of nematodes and acetylcholinesterase in rice seeds and is safe for rice seeds. AChE-IN-83 targets Aphelenchoides oryzae with an LC50 value of 19.0 μg/mL (48 hr). AChE-IN-83 can inhibit the population and behavior of rice nematodes in rice seeds, destroy the nematode cuticle, and lead to the production of reactive oxygen species, lipofuscin, and lipids in the nematodes.
    AChE-IN-83
  • HY-121467S1
    Acotiamide-d4
    		Inhibitor
    Acotiamide-d4 (Z-338 (free base)-d4) is deuterium labeled Acotiamide. Acotiamide is an orally active, selective and reversible acetylcholinesterase (AChE) inhibitor, with an IC50 of 1.79 μM. Acotiamide can enhance gastric contractility and accelerate delayed gastric emptying. Acotiamide has the potential for the research of functional dyspepsia involving gastric motility dysfunction and intestinal inflammatory.
    Acotiamide-d<sub>4</sub>
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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