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-121143
    Bis-Q
    		Agonist
    Bis-Q is an acetylcholine (ACh) agonist that targets voltage-clamped muscle fibers of the fish Xenomystus nigris. Bis-Q exists in two forms: cis-Bis-Q (non-agonist) and trans-Bis-Q (agonist). Photoisomerization converts cis-Bis-Q to trans-Bis-Q, which induces agonist-induced currents. Channels activated by trans-Bis-Q and ACh have similar conductances and open times. Flashes increase the ratio of trans-Bis-Q to cis-Bis-Q until light equilibrium is reached. Further flashes transiently increase agonist-induced currents, indicating binding of trans-Bis-Q to desensitized receptors. Higher concentrations of cis-Bis-Q produce larger agonist-induced currents that decay exponentially..
    Bis-Q
  • HY-B1277A
    Trihexyphenidyl
    		Antagonist
    Trihexyphenidyl is a potent and selective M1 muscarinic receptor antagonist. Trihexyphenidyl shows anticholinergic activity, and can be used for Parkinson syndrome or dystonia research.
    Trihexyphenidyl
  • HY-151386
    BChE-IN-13
    		Inhibitor
    BChE-IN-13 (Compound 17c) is an orally active, potent and selective Butyrylcholinesterase (BChE) inhibitor with IC50s of 0.22 and 0.016 μM for eqBChE and hBChE, respectively. BChE-IN-13 can improve memory and cognitive impairments, and be used in Alzheimer’s disease (AD) research.
    BChE-IN-13
  • HY-114422
    ARRY-371797
    		Inhibitor
    ARRY-371797 is a potent and orally active p38α MAPK and BChE inhibitor with IC50 values of 12.0, 0.13, ＞100 µM for p38α MAP, hBChE, hAChE, respectively. ARRY-371797 has the potential for the research of Alzheimer’s disease.
    ARRY-371797
  • HY-157978
    AChE-IN-59
    		Inhibitor
    AChE-IN-59 (compounds 3b) is an AChE inhibitor, with an IC50 value of 0.05 μM. AChE-IN-59 can inhibit the aggregation of Aβ1-42, protect nerve cells and penetrate the blood-brain barrier well. AChE-IN-59 can be used for the research of Alzheimer's disease (AD).
    AChE-IN-59
  • HY-108048A
    Desoxypeganine hydrochloride
    		Inhibitor
    Desoxypeganine (Deoxypeganine) hydrochloride, an alkaloid, is a potent and orally active cholinesterase (BChE and AChE) and selective MAO-A inhibitor, with IC50 values of 2, 17, and 2 μM, respectively. Desoxypeganine hydrochloride can be used for alcohol abuse research.
    Desoxypeganine hydrochloride
  • HY-146663A
    AChE/BChE-IN-3 hydrochloride
    		Inhibitor
    AChE/BChE-IN-3 (BMC-1) hydrochloride is a dual AChE and BChE inhibitor with IC50 values of 6.08 μM and 0.383 μM against electric eel AChE (elAChE) and equine serum BChE (eqBChE), respectively.
    AChE/BChE-IN-3 hydrochloride
  • HY-149087
    MR2938
    		Inhibitor
    MR2938 is a potent AChE inhibitor, with an IC50 of 5.04 μM. MR2938 also suppresses NO production obviously (IC50 = 3.29 μM). MR2938 suppresses the neuroinflammation through blocking MAPK/JNK and NF-κB signaling pathways. MR2938 can be used for Alzheimer’s disease (AD) research.
    MR2938
  • HY-105157
    Icopezil
    		Inhibitor
    Icopezil is a selective acetylcholinesterase (AchE) inhibitor. Icopezil can be used in Alzheimer's disease research.
    Icopezil
  • HY-105853
    Pitofenone
    		Inhibitor
    Pitofenone, a spasmolytic compound, inhibits the acetylcholinesterase (AChE) activity from bovine erythrocytes and from electric eel with Kis of 36 and 45 μM, respectively.
    Pitofenone
  • HY-143291
    AChE-IN-9
    		Inhibitor
    AChE-IN-9 is a Tacrine (HY-111338) glycoconjugate tethered with acetylated β-Glucose. AChE-IN-9 is also an AChE inhibitor with an IC50 value of 0.4 μM, with lower hepatotoxicity on healthy cells. Tacrine is used in Alzheimer's research.
    AChE-IN-9
  • HY-174328
    BChE/AChE-IN-1
    		Inhibitor
    BChE/AChE-IN-1 (Compound 4m) is a potent dual inhibitor of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) with IC50 values of 0.7 μM and 0.2 μM, respectively. BChE/AChE-IN-1 is promising for research of neurodegenerative diseases such as Alzheimer’s disease (AD).
    BChE/AChE-IN-1
  • HY-N5089
    (+)-Balanophonin
    		Inhibitor
    (+)-Balanophonin is a phenolic compound that could be isolated from Passiflora edulis. (+)-Balanophonin possesses anti-oxidant, anticholinesterase, anti-inflammatory, anticancer, and antineurodegenerative activities.
    (+)-Balanophonin
  • HY-162258
    AChE-IN-57
    		Inhibitor
    AChE-IN-57 (compound 5b(SP-2)) is a potent AChE inhibitor. AChE-IN-57 improves cognitive defects. AChE-IN-57 restores the biochemical mediators and inhibits reactive oxygen and nitrogen species implicated in the neuroinflammation mechanism. AChE-IN-57 has the potential for the research of Alzheimer.
    AChE-IN-57
  • HY-N0793R
    Protopine (Standard)
    		Inhibitor
    Protopine (Standard) is the analytical standard of Protopine. This product is intended for research and analytical applications. Protopine (Corydinine), an isoquinoline alkaloid, is a specific reversible and competitive inhibitor of acetylcholinesterase. Protopine exhibits anti-inflammation, anti-microbial, anti-angiogenic and anti-tumour activity.
    Protopine (Standard)
  • HY-W077226S
    AChE-IN-23-d10
    AChE-IN-23-d10 (4-Amino-Alpha-diethyl amino-o-cresol-d10 (dihydrochloride)) is the deuterium labeled AChE-IN-23 (HY-W077226). AChE-IN-23 (compound 3h) is an acetylcholinesterase (AChE) inhibitor with an IC50 value of 48.3 μM.
    AChE-IN-23-d<sub>10</sub>
  • HY-N10486
    BChE-IN-10
    		Inhibitor
    BChE-IN-10 (compound 6) is a potent butyrylcholinesterase (BChE) mixed-type inhibitor with an IC50 value of 6.4 μM. BChE-IN-10 can be isolated from Bletilla striata. BChE-IN-10 can be used for the research of Alzheimer's disease (AD).
    BChE-IN-10
  • HY-157087
    AChE/MAO-B-IN-4
    		Inhibitor
    AChE/MAO-B-IN-4 (compound 4a) is a selective dual AChE and MAO-B inhibitor. AChE/MAO-B-IN-4 shows no significant inhibition activity against BChE and h-MAO-A. AChE/MAO-B-IN-4 can be used for the Alzheimer’s disease (AD) research.
    AChE/MAO-B-IN-4
  • HY-B0882R
    Edrophonium chloride (Standard)
    		Inhibitor
    Edrophonium chloride (Standard) is the analytical standard of Edrophonium chloride (HY-B0882). This product is intended for research and analytical applications. Edrophonium chloride is a short-acting acetylcholinesterase (AChE) inhibitor. Edrophonium chloride has Ki values of 0.2, 0.2, and 0.4 μM and IC50 values of 0.2, 0.05, and 0.5 μM for AChE in human erythrocytes, purified calf forebrain, and purified octopus brain, respectively. Edrophonium chloride can be used to detect early digitalis toxicity and in the study of myasthenia gravis.
    Edrophonium chloride (Standard)
  • HY-169205
    AChE/BChE-IN-22
    		Inhibitor
    AChE/BChE-IN-22 (compund 7) competitively inhibits both AChE and BChE enzymes, with values of 28.18±2.51 and 41.74±3.18μM, respectively.
    AChE/BChE-IN-22
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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