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-146959
    K203
    		Activator
    K203 is a potent reactivator of tabun-inhibited AChE. K203 is a crucial antidote used for the organophosphate intoxication.
    K203
  • HY-151927
    AChE-IN-28
    		Inhibitor
    AChE-IN-28 (Compound 2h) is a selective slow-binding inhibitor of acetylcholinesterase with an IC50 of 0.2 nM.
    AChE-IN-28
  • HY-N9513
    Echimidine N-oxide
    		Inhibitor
    Echimidine N-oxide, a pyrrolizidine alkaloid, has acetylcholinesterase (AChE) inhibitory activity (IC50=0.347 mM).
    Echimidine N-oxide
  • HY-158092
    ChEs/MAOs-IN-2
    		Inhibitor
    ChEs/MAOs-IN-2 (compound a11) is a cholinesterases and monoamine oxidases inhibitor with IC50 values of 0.10, 0.20, 0.30, 0.40 µM for MAO-A, MAO-B, AChE, and BChE, respectively. ChEs/MAOs-IN-2 has the potential for the research of Alzheimer's disease.
    ChEs/MAOs-IN-2
  • HY-122957
    Huperzine C
    		Inhibitor
    Huperzine C is an alkaloid isolated from Huperzia serrate. Huperzine C is an acetylcholinesterase (AChE) inhibotor, with an IC50 of 0.6 μM. Huperzine C can be used for the research of Alzheimer’s disease.
    Huperzine C
  • HY-155708
    AChE/BChE-IN-13
    		Inhibitor
    AChE/BChE-IN-13 (compound 5j) is a potent dual inhibitor of AChE and BChE with IC50s of 20.89 and 17.37 μM, respectively. AChE/BChE-IN-13 can be used in Alzheimer’s disease (AD) research.
    AChE/BChE-IN-13
  • HY-127087
    Isogarcinol
    		Inhibitor
    Isogarcinol (Cambogin) is a potent AChE and BChE inhibitor, with IC50 values of 1.13 and 8.30 μM, respectively. Isogarcinol also shows leishmanicidal activity, with an IC50 of 0.33 μM against L. donovani.
    Isogarcinol
  • HY-169163
    BChE-IN-36
    		Inhibitor
    hBChE-IN-4 (compound 40) is a potent hCA activator and BChE inhibitor with KA values of 266, 76.9, 918, 893, 98.0 nM for hCA I, hCA II, hCA IV, hCA VB, hCA VII, IC50 values of 72.1, 4.2 nM for eeAChE, eqBChE, respectively. hBChE-IN-4 shows no cytotoxicity. hBChE-IN-4 shows potent procognitive effects. hBChE-IN-4 has the potential for the research of neurodegenerative diseases and other neuropsychiatric disorders.
    BChE-IN-36
  • HY-W004287R
    Methyl tridecanoate (Standard)
    		Inhibitor
    Methyl tridecanoate (Standard) is the analytical standard of Methyl tridecanoate. This product is intended for research and analytical applications. Methyl tridecanoate moderately inhibits β-amyloid aggregation. Methyl tridecanoate weakly inhibits acetylcholinesterase (AChE).
    Methyl tridecanoate (Standard)
  • HY-A0009S
    Galanthamine-d3 hydrobromide
    		Inhibitor
    Galanthamine-d3 (hydrobromide) is deuterium labeled Galanthamine (hydrobromide). 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).
    Galanthamine-d<sub>3</sub> hydrobromide
  • HY-175211
    BChE-IN-42
    		Inhibitor
    BChE-IN-42 (Compound 4a) is a BChE inhibitor with an IC50 of 10.01 nM. BChE-IN-42 can be used for neurological diseases like Alzheimer's disease (AD) research.
    BChE-IN-42
  • HY-149417
    BChE/HDAC6-IN-1
    		Inhibitor
    BChE/HDAC6-IN-1 is a potent and selective dual BChE/HDAC6 inhibitor with IC50 values of 4 and 8.9 nM, respectively. BChE/HDAC6-IN-1 ameliorates the cognitive impairment in an Aβ1–42-induced mouse model and has the potental for AD research.
    BChE/HDAC6-IN-1
  • HY-W020576
    Rivastigmine metabolite
    		Inhibitor 99.01%
    Rivastigmine metabolite (NAP 226-90) is an acetylcholinesterase (AChE) inhibitor which is produced in kidney. Rivastigmine metabolite is promising for research of Alzheimer’s Disease.
    Rivastigmine metabolite
  • HY-N0793A
    Protopine hydrochloride
    		Inhibitor
    Protopine hydrochloride, an isoquinoline alkaloid, is a specific reversible and competitive inhibitor of acetylcholinesterase. Protopine hydrochloride exhibits anti-inflammation, anti-microbial, anti-angiogenic and anti-tumour activity.
    Protopine hydrochloride
  • HY-134006
    Stemoninine
    		Inhibitor
    Stemoninine is a lycoris alkaloid that can be used as an antitussive. Stemoninine has significant inhibitory activity against human acetylcholinesterase (AChE) (IC50=5.52 μM).
    Stemoninine
  • HY-162402
    NLRP3-IN-33
    		Inhibitor
    NLRP3-IN-33 (Compound 12o) is a blood-brain barrier permeable inhibitor of AChE and BChE, with IC50 values of 1.02 μM and 7.03 μM against hAChE and hBChE respectively. NLRP3-IN-33 possesses antioxidant, anti-inflammatory, and metal chelating activities, making it a potential candidate for research in Alzheimer's disease (AD).
    NLRP3-IN-33
  • HY-163537
    AChE/BuChE-IN-5
    		Inhibitor
    AChE/BuChE-IN-5 (compound 5a) is a dual target inhibitor. AChE/BuChE-IN-5 has excellent nanomolar inhibitory activity on acetylcholinesterase (AChE) (IC50=46.9 nM) and butyryl cholinesterase (BuChE) (IC50=3.5 nM). AChE/BuChE-IN-5 can be used for Alzheimer's Disease research.
    AChE/BuChE-IN-5
  • HY-157527
    hAChE-IN-7
    		Inhibitor
    hAChE-IN-7 (compound 5s) is a mixed inhibitor affecting both the catalytic active site (CAS) and peripheral anionic site (PAS) of hAChE. hAChE-IN-7 displays the balanced inhibitory effect on hAChE (IC50=69.8 nM) and hBuChE (IC50=68.0 nM), and exhibits inhibitory activity against β-secretase-1 (BACE-1) (IC50=3.6 μM). hAChE-IN-7 has the potential for Alzheimer's disease (AD) research.
    hAChE-IN-7
  • HY-B0949AS
    Protriptyline-d3
    Protriptyline-d3 is deuterium labeled Protriptyline (HY-B0949). Protriptyline is a potent tricyclic antidepressant (TCA). Protriptyline inhibits AChE activity with an IC50 value of 0.06 mM and inhibits Aβ self-assembly. Protriptyline can be used for the study of depression and Alzheimers disease.
    Protriptyline-d<sub>3</sub>
  • HY-16252
    Hexafluorenium dibromide
    		Inhibitor
    Hexafluorenium dibromide (Mylaxen) is a potent cholinesterase (ChE) inhibitor with pI50 value of 6.96 and Ki value of 2.4 nM for human plasma cholinesterase (ChE).
    Hexafluorenium dibromide
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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