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-N8764
    Decaffeoylacteoside
    		Inhibitor
    Decaffeoylacteoside is an inhibitor of AChE/BChE/LOX with moderate activity.
    Decaffeoylacteoside
  • HY-157384
    BChE-IN-22
    		Inhibitor
    BChE-IN-22 (compound 5A) is a selective eqBChE inhibitor (IC50: 0.53 μM), has anti-inflammatory and neuroprotective activities. BChE-IN-22 can inhibit cell damage caused by Aβ25-35 (HY-P0128) and improve cognitive dysfunction caused by Scopolamine (HY-N0296).
    BChE-IN-22
  • HY-162277
    BuChE-IN-10
    		Inhibitor
    BuChE-IN-10 (compound 7p) is an inhibitor of BuChE (eqBuChE IC50 = 4.68 nM, huBuChE IC50 = 9.12 nM). BuChE-IN-10 has anti-neuroinflammatory activity and exhibits high BBB permeability.
    BuChE-IN-10
  • HY-146039
    AChE-IN-15
    		Inhibitor
    AChE-IN-15 (Compound 3d) is a reversible human acetylcholinesterase (huAChE) (IC50=6.8 μM) and human butyrylcholinesterase (huBChE) (IC50=16.1 μM) inhibitor. AChE-IN-15 shows significant antioxidant potency, AChE-IN-15 can be used for the research of Alzheimer’s disease.
    AChE-IN-15
  • HY-B0835R
    Fenobucarb (Standard)
    		Inhibitor
    Fenobucarb (Standard) is the analytical standard of Fenobucarb. This product is intended for research and analytical applications. Fenobucarb is a carbamate insecticide. Fenobucarb induces zebrafish developmental neurotoxicity through pathways involved in inflammation, oxidative stress, degeneration and apoptosis. Fenobucarb is a possible risk factor to cardiovascular and cerebrovascular systems in animals.
    Fenobucarb (Standard)
  • HY-149817
    AChE-IN-29
    		Inhibitor
    AChE-IN-29, 3-OH pyrrolidine derivative, is an cholinesterase (ChE) inhibitor. AChE-IN-29 has cholinesterase inhibitory activity for hAChE, eeAChE and eqBChE with IC50 values of 0.25 μM, 0.23 μM and 0.72 μM, respectively. AChE-IN-29 can be used for the research of Alzheimer's disease.
    AChE-IN-29
  • HY-163885
    SSZ
    		Inhibitor
    SSZ is a multi-target inhibitor, which targets multiple pathological mechanisms of Alzheimer's disease (AD). SSZ targets acetylcholinesterase, butyrylcholinesterase, β-site amyloid precursor protein cleavage enzyme 1 (BACE1), and γ-secretase. SSZ ameliorates Alzheimer’s diseases and exhibits neuroprotective effect in mice.
    SSZ
  • HY-155622
    PD25
    		Inhibitor
    PD25 is an AChE and BuChE inhibitor (hAChE IC50: 1.58 μM; eeAChE IC50: 1.63 μM; eqBuChE IC50: 2.39 μM). PD25 also has antioxidant activity, and inhibits DPPH (IC50: 29.55 μM). PD25 can be used for research of Alzheimer’s disease.
    PD25
  • HY-163746
    BuChE-IN-11
    		Inhibitor
    BuChE-IN-11 (Compound 3b-1) is an selective BuChE inhibitor with an IC50 of 0.44 μM for hBuChE. BuChE-IN-11 has high blood-brain barrier permeability and exhibits strong antioxidant activity due to its free radical scavenging properties. BuChE-IN-11 interacts with the choline binding site, acetyl binding site, and peripheral anionic site, exhibiting submicromolar BuChE inhibitory activity and preventing β-amyloid (Aβ) self-aggregation. BuChE-IN-11 holds promise for research in the field of Alzheimer's disease.
    BuChE-IN-11
  • HY-176439
    AChE-IN-88
    		Inhibitor
    AChE-IN-88 (Compound 26) is a novel pyridazine derivative. AChE-IN-88 is an orally active multi-target ligand for Alzheimer's disease (AD) that inhibits both acetylcholinesterase (AChE) and amyloid β protein (Aβ) aggregation (pIC50: 7.16).
    AChE-IN-88
  • HY-17387S1
    (-)-Huperzine A-d4 hydrochloride
    		Inhibitor
    (-)-Huperzine A-d4 hydrochloride is deuterated labeled (-)-Huperzine A (HY-17387). (-)-Huperzine A (Huperzine A) is an alkaloid isolated from Huperzia serrata, with neuroprotective activity. (-)-Huperzine A is a potent, highly specific, reversible and blood-brain barrier penetrant inhibitor of acetylcholinesterase (AChE), with an IC50 of 82 nM. (-)-Huperzine A also is non-competitive antagonist of N-methyl-D-aspartate glutamate (NMDA) receptor. (-)-Huperzine A is developed for the research of neurodegenerative diseases, including Alzheimer’s disease.
    (-)-Huperzine A-d<sub>4</sub> hydrochloride
  • HY-155749
    AChE-IN-36
    		Inhibitor
    AChE-IN-36 (compound A4) is anacetylcholinesterase inhibitorswith an IC50 of 0.04 μM. AChE-IN-36 effects ROS levels and gene expression of NRF2.
    AChE-IN-36
  • HY-N15649
    Ostruthol
    		Inhibitor
    Ostruthol is a coumarin and a potent inhibitor of AChE. Ostruthol can be studied in research on Alzheimer’s disease.
    Ostruthol
  • HY-147952
    AChE-IN-20
    		Inhibitor
    AChE-IN-20 (compound M26) is a potent AChE inhibitor with IC50 value of 397.32 nM and with Ki value of 335.76 nM. AChE-IN-20 shows inhibition potency against hCA I , hCA II and α-GLY with IC50 values of 84.14, 69.24 and 52.08 nM and with Ki values of 97.86, 76.23 and 57.93 nM, respectively.
    AChE-IN-20
  • HY-157982
    BChE-IN-28
    		Inhibitor
    BChE-IN-28 (compound 6J) is a selective butyrylcholinesterase (BChE) inhibitor with an IC50 of 8 nM and a Ki of 12.16 nM. BChE-IN-28 shows the lower inhibition against AChE, MAO-A and MAO-B.
    BChE-IN-28
  • HY-155713
    AChE-IN-34
    		Inhibitor
    AChE-IN-34 (compound 5l) is a potent and selective AChE inhibitor with an IC50 value of 3.98 µM with no significant inhibition against BChE. AChE-IN-34 inhibits AChE with a Ki of 0.044 μM in a mixed mode (Acetylthiocholine substrate; 0.1-1 mM).
    AChE-IN-34
  • HY-174464
    AChE/BChE-IN-28
    		Inhibitor
    AChE/BChE-IN-28 (Compound 5q) is a BChE inhibitor with an IC50 of 13.49 μM. AChE/BChE-IN-28 also exerts moderate inhibitory effect on AChE, with an IC50 of 35.23 μM. AChE/BChE-IN-28 can be used in the research of Alzheimer's disease.
    AChE/BChE-IN-28
  • HY-W750404
    (-)-Carvone-d4
    (-)-Carvone-d4 is the deuterium labeled (-)-Carvone (HY-W017423). (-)-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-d<sub>4<sub>
  • HY-155621
    PD24
    		Inhibitor
    PD24 is an AChE and BuChE inhibitor (hAChE IC50: 1.72 μM; eeAChE IC50: 1.76 μM; eqBuChE IC50: 2.64 μM). PD24 also has antioxidant activity, and inhibits DPPH (IC50: 28.72 μM). PD24 can be used for research of Alzheimer’s disease.
    PD24
  • HY-B0916R
    Propoxur (Standard)
    		Inhibitor
    Propoxue (Standard) is the analytical standard of Propoxue (HY-B0916). This product is intended for research and analytical applications. Propoxur is a reversible, competitive, orally active AChE inhibitor that can cross the blood-brain barrier. Propoxur inhibits AChE activity to induce neurotoxicity, while promoting MMP-2 expression and enhancing tumor cell migration and invasion by inducing intracellular ROS generation and activating the ERK/Nrf2 signaling pathway. On the one hand, Propoxur inhibits AChE, leading to acetylcholine accumulation and causing neurological dysfunction; on the other hand, it promotes Nrf2 nuclear translocation through ROS-dependent ERK1/2 phosphorylation, and upregulates MMP-2 and other invasion-related proteins. Propoxur is also a carbamate insecticide used to combat turf, forestry, and household pests.
    Propoxur (Standard)
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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