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-162138
    BChE-IN-23
    		Inhibitor
    BChE-IN-23 (compound 2a) is a BChE inhibitor with an IC50 value of 21 nM. BChE-IN-23 can be used in Alzheimer's disease (AD) research.
    BChE-IN-23
  • HY-101653
    MHP 133
    		Inhibitor
    MHP 133 is a agent with multiple CNS targets, and inhibits acetylcholinesterase (AChE) with Ki of 69 μM; also active against muscarinic M1 and M2 receptors, serotonin 5HT4 receptors, and imidazole I2 receptors.
    MHP 133
  • HY-146687
    BuChE-IN-4
    		Inhibitor
    BuChE-IN-4 (Compound C6) is a potent inhibitor of BuChE with an IC50 of 7.7 nM. BuChE-IN-4 exhibits mild antioxidant capacity, nontoxicity, lipophilicity and neuroprotective activity.
    BuChE-IN-4
  • HY-145112
    AChE-IN-3
    		Inhibitor 99.46%
    AChE-IN-3 shows moderate inhibitory activity against AChE and strong NO inhibitory activity with an EC50 of 0.57 μM.
    AChE-IN-3
  • HY-B0207AR
    Pyridostigmine bromide (Standard)
    		Inhibitor
    Pyridostigmine (bromide) (Standard) is the analytical standard of Pyridostigmine (bromide). This product is intended for research and analytical applications. Pyridostigmine bromide is a reversible cholinesterase inhibitor.
    Pyridostigmine bromide (Standard)
  • HY-169162
    hBChE-IN-3
    		Inhibitor
    hBChE-IN-3 (compound 30) is a combination of carbonic anhydrase (CA) activator and cholinesterase (ChE) inhibitor with IC50 values of 7.4 and 1.9 nM for AchE and BchE, respectively. hBChE-IN-3 can be used in the study of neurodegeneration and psychiatric disorders.
    hBChE-IN-3
  • HY-172884
    MDAR-IN-1
    		Inhibitor
    MDAR IN-1 (Compound 5m) is a brain-penetrant inhibitor of acetylcholinesterase (AChE) and antagonist of the GluN1/GluN2B subtype of NMDAR receptor. MDAR IN-1 effectively inhibits AChE activity, enhances cholinergic neurotransmission, and blocks NMDAR, reducing excitatory neurotoxicity. MDAR IN-1 is promising for research of Alzheimer's disease.
    MDAR-IN-1
  • HY-152110
    AChE/MAO-IN-2
    		Inhibitor
    Dual AChE-MAO B-IN-5, indanone derivative, is a potent dual AChE/MAO-B inhibitior with IC50 values of 0.0224, 0.0412, and 0.1116 μM for AChE, MAO-B and MAO-A, respectively. Dual AChE-MAO B-IN-5 has antioxidant activity and prevents β-amyloid plaque aggregation. Dual AChE-MAO B-IN-5 can be used for Alzheimer’s disease (AD) research.
    AChE/MAO-IN-2
  • HY-N6894
    Pseudocoptisine acetate
    		Inhibitor
    Pseudocoptisine (Isocoptisine) acetate is a quaternary alkaloid with benzylisoquinoline skeleton, was isolated from Corydalis Tuber. Pseudocoptisine acetate inhibits acetylcholinesterase (AChE) activity with an IC50 of 12.8 μM. Anti-inflammatory and anti-amnestic effects.
    Pseudocoptisine acetate
  • HY-155085
    hAChE-IN-3
    		Inhibitor
    hAChE-IN-3 (compounds 5c) is a potent and blood-brain barrier permeable AChE, BuChE， MAO-B-IN-1 and BACE-1 inhibitor, with IC50 values of 0.44, 0.08, 5.15 and 0.38 μM, respectively. hAChE-IN-3 has antioxidant activity and metal chelating ability. In addition, hAChE-IN-3 can bind to peripheral anion sites, and affect β amyloid and reduce Alzheimer's-associated neurodegeneration. hAChE-IN-3 has the potential for the research of Alzheimer's disease.
    hAChE-IN-3
  • HY-147846
    AChE/PDE4-IN-1
    		Inhibitor
    AChE/PDE4-IN-1 (compound 12c) is a potent and selective dual PDE4/AChE inhibitor, with IC50s of 0.28 μM and 1.88 μM for AChE and PDE4D, respectively. AChE/PDE4-IN-1 exhibits anti-neuroinflammatory effect for the research of Alzheimer's disease.
    AChE/PDE4-IN-1
  • HY-161143
    Carbonic anhydrase/AChE-IN-2
    		Inhibitor
    Carbonic anhydrase/AChE-IN-2 (compound 19) is a selective acetylcholinesterase (AChE) and carbonic anhydrase (CA) inhibitor, with Ei of 5.07 nM, 24.42 nM and 19.95 nM for AChE, hCAI and hCAII, respectively.
    Carbonic anhydrase/AChE-IN-2
  • HY-76299S1
    Galanthamine-O-methyl-d3
    		Inhibitor
    Galanthamine-O-methyl-d3 is the deuterium labeled Galanthamine. Galanthamine is a potent acetylcholinesterase (AChE) inhibitor with an IC50 of 500 nM.
    Galanthamine-O-methyl-d<sub>3</sub>
  • HY-162036
    α-Amylase/α-Glucosidase-IN-7
    		Inhibitor
    α-Amylase/α-Glucosidase-IN-7 (Compound 3f) is a competitive α-glucosidase and α-amylase enzyme inhibitor with IC50 values of 18.52 and 20.25 µM, respectively. α-Amylase/α-Glucosidase-IN-7 can also effectively inhibit AChE and BChE, with IC50 values of 9.25 and 10.06 µM respectively. α-Amylase/α-Glucosidase-IN-7 can be used in diabetes and Alzheimer’s research.
    α-Amylase/α-Glucosidase-IN-7
  • HY-149233
    hAChE-IN-1
    		Inhibitor
    hAChE-IN-1 (Compound 24) is a potent hAChE inhibitor with an IC50 of 1.09 μM. hAChE-IN-1 inhibits tau-oligomerization with an EC50 of 2.71 μM in cellular tau FRET assay.
    hAChE-IN-1
  • HY-158261
    AChE-IN-63
    		Inhibitor
    AChE-IN-63 (Compound 5AD) is a selective inhibitor of hAChE (IC50=0.103 μM). AChE-IN-63 also inhibits hBChE and hBACE-1 (IC50= 10 μM (hBChE); 1.342 μM (hBACE-1)). AChE-IN-63 inhibits Aβ aggregation, preventing the formation and deposition of Aβ1-42. AChE-IN-63 can effectively penetrate the blood-brain barrier and is orally effective. It is primarily used in Alzheimer's disease research.
    AChE-IN-63
  • HY-163883
    BChE-IN-34
    		Inhibitor
    BChE-IN-34 is a potent and selective butyrylcholinesterase (BChE) inhibitor with an IIC50 of 25 nM. BChE-IN-34 shows excellent selectivity against BChE over acetylcholinesterase. BChE-IN-34 has neuroprotective and antioxidant effects.
    BChE-IN-34
  • HY-145235
    AChE-IN-4
    AChE-IN-4 shows the acetylcholine esterase inhibition (AChEI) with an IC50 value of 24.1 μM.
    AChE-IN-4
  • HY-119419R
    Pirimicarb (Standard)
    		Inhibitor
    Pirimicarb (Standard) is the analytical standard of Pirimicarb. This product is intended for research and analytical applications. Pirimicarb is a fast-acting selective carbamate insecticide on a wide range of crops including cereals, sugar beet, potatoes, fruits and vegetables. Pirimicarb is an AChE inhibitor and an acaricide.
    Pirimicarb (Standard)
  • HY-145833A
    sEH/AChE-IN-4
    		Inhibitor
    sEH/AChE-IN-4 (compound (+)-15) is a potent and BBB-penetrated dual inhibitor of sEH (soluble epoxide hydrolase) and AChE (acetylcholinesterase), with IC50 values of 3.1 nM (hsEH), 1660 nM (hAChE), 179 nM (hBChE, human butyrylcholinesterase), 14.5 nM (msEH), and 102 nM (mAChE), respectively.
    sEH/AChE-IN-4
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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