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-106456
    Depramine
    		Inhibitor
    Depramine (GP 31406) is a tricyclic antidepressant with pharmacologically activity. Depramine inhibits acetylcholinesterase，Mg2+-ATPase，and Na+/K+ ATPase activity.
    Depramine
  • HY-155140
    BChE-IN-17
    		Inhibitor 99.07%
    BChE-IN-17 (compound 6n) is a potent and selective BChE inhibitor with IC50s of 10.5 nM and 32.5 nM for eqBChE and hBChE, respectively. BChE-IN-17 shows over 1000-fold selectivity to BChE against AChE. BChE-IN-17 shows low neurotoxicity and moderate neuroprotective effects.
    BChE-IN-17
  • HY-N4119
    Neoeriocitrin
    		Inhibitor 99.93%
    Neoeriocitrin, isolated from Drynaria Rhizome, shows activity on proliferation and osteogenic differentiation in MC3T3-E1. Neoeriocitrin is a potent acetylcholinesterase (AChE) inhibitor.
    Neoeriocitrin
  • HY-150003
    Aβ1–42 aggregation inhibitor 1
    		99.19%
    Aβ1-42 aggregation inhibitor 1 inhibits AChE (acetylcholinesterase) and BuChE (butyrylcholinesterase) with the IC50 value of 2.64 μM and 1.29 μM, respectively. Aβ1-42 aggregation inhibitor 1 inhibits self-mediated Aβ1-42 aggregation by 51.29% at a concentration of 25 μM. Aβ1-42 aggregation inhibitor 1 has the potential for the research of anti-Alzheimer's disease.
    Aβ1–42 aggregation inhibitor 1
  • HY-19651
    Zanapezil free base
    		Inhibitor 99.23%
    Zanapezil (TAK-147) free base is a potent, reversible and selective acetylcholine esterase (AChE) inhibitor. Zanapezil free base shows a potent and reversible inhibition of AChE activity in homogenates of the rat cerebral cortex (IC50=51.2 nM). Zanapezil free base shows a moderate inhibition of muscarinic M1 and M2 receptor binding with Ki values of 234 and 340 nM, respectively. Zanapezil free base can be used for the research of early stages of Alzheimer's disease (AD).
    Zanapezil free base
  • HY-N3468
    Isomerazin
    		Inhibitor 99.84%
    Isomerazin is a coumarin isolated from Poncirus trifoliate Raf., and shows cholinesterase inhibition.
    Isomerazin
  • HY-W011246
    Velnacrine maleate
    		Inhibitor ≥98.0%
    Velnacrine maleate (HP 029) is an orally active cholinesterase inhibitor that can be used for the research of Alzheimer's disease.
    Velnacrine maleate
  • HY-N0801
    Polygalacic acid
    		Inhibitor 98.92%
    Polygalacic acid, is a triterpene, isolated from the root of Polygala tenuifolia Willd. Polygalacic acid inhibits MMP expression. Polygalacic acid may have a therapeutic effect in Osteoarthritis (OA) treatment . Polygalacic acid exerts a significant neuroprotective effect on cognitive impairment, PA improves cholinergic system reactivity by inhibiting acetylcholinesterase (AChE) activity, increasing choline acetyltransferase (ChAT) activity, and elevating levels of acetylcholine (Ach) in the hippocampus and frontal cortex.
    Polygalacic acid
  • HY-126765
    Territrem B
    		Inhibitor
    Territrem B is an irreversible inhibitor of Acetylcholinesterase (AChE) inhibitor. Territrem B is also a fungal meroterpenoid that can be isolated from Aspergillus terreus.
    Territrem B
  • HY-103373
    PE154
    		Inhibitor 99.01%
    PE154 (Compound 13) is a potent fluorescent inhibitor of human acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) (IC50s=280 pM and 16 nM, respectively). PE154 can label β-amyloid plaques in histochemical analysis.
    PE154
  • HY-120692
    Cyclanoline chloride
    		Inhibitor
    Cyclanoline (chloride) shows cholinesterase inhibitory activity.
    Cyclanoline chloride
  • HY-157959
    Orphenadrine
    		Antagonist 99.11%
    Orphenadrine ((±)-Orphenadrine) is a skeletal muscle relaxant and NMDA antagonist that also has antiparkinsonian, antihistamine, antitremor, antispasmodic, and analgesic effects. Orphenadrine inhibits the binding of [3H]MK-801 to the phencyclidine (PCP) binding site of the NMDA receptor. Orphenadrine is also an anticholinergic and CYP2B inducer. Orphenadrine may exert pro-tumor effects, causing CAR nuclear translocation, resulting in microsomal reactive oxygen species (ROS) production and oxidative stress. Orphenadrine also exerts neuronal protection, protecting rat cerebellar granule cells (CGC) from 3-NPA-induced death and has inhibitory potential against neurodegenerative diseases mediated by NMDA receptor overactivation.
    Orphenadrine
  • HY-W742564
    Acacetin-7-O-β-D-galactopyranoside
    		Inhibitor 98.57%
    Acacetin-7-O-β-D-galactopyranoside is a flavonoid that can be isolated from flower heads of Chrysanthemum morifolium. Acacetin-7-O-β-D-galactopyranoside inhibits AChE activity and can be used for research of Alzheimer’s disease.
    Acacetin-7-O-β-D-galactopyranoside
  • HY-W013175S2
    Uridine 5'-monophosphate-13C9,15N2 disodium
    		Activator ≥99.0%
    Uridine 5'-monophosphate-13C9,15N2 disodium is the 13C and 15N labeled Uridine 5'-monophosphate disodium salt (HY-W013175). Uridine 5'-monophosphate (5'-Uridylic acid) disodium salt is an orally active mitochondrial ATP-dependent potassium channel activator that has a protective effect on the heart. Uridine 5'-monophosphate disodium salt can promote the synthesis of CDP-choline and induce apoptosis in intestinal epithelial cells, which is beneficial for gut development and reduces diarrhea.
    Uridine 5'-monophosphate-<sup>13</sup>C<sub>9</sub>,<sup>15</sup>N<sub>2</sub> disodium
  • HY-B0916
    Propoxur
    		Inhibitor 99.43%
    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
  • HY-137447
    Pirepemat
    		Activator
    Pirepemat (IRL752) is a corticalpreferring catecholamine- and cognition-promoting agent. Pirepemat (IRL752) is used for the study of Parkinson's disease. IRL752 is a selective enhancer of cortical dopamine, acetylcholine and norepinephrine.
    Pirepemat
  • HY-14566S
    Donepezil-d7 hydrochloride
    		Inhibitor ≥99.0%
    Donepezil-d7 (hydrochloride) is the deuterium labeled Donepezil. Donepezil (E2020 free base) is a specific and potent AChE inhibitor with IC50s of 8.12 nM and 11.6 nM for bovine AChE and human AChE, respectively.
    Donepezil-d<sub>7</sub> hydrochloride
  • HY-N6895
    Violanthin
    		Inhibitor
    Violanthin is isolated from the stems of Dendrobium officinale, has potent antioxidant and antibacterial activities. Violanthin inhibits acetylcholinesterase (AChE) with an IC50 value of 79.80 μM.
    Violanthin
  • HY-19651B
    Zanapezil fumarate
    		Inhibitor 99.63%
    Zanapezil (TAK-147) fumarate is a potent, reversible and selective acetylcholine esterase (AChE) inhibitor. Zanapezil fumarate shows a potent and reversible inhibition of AChE activity in homogenates of the rat cerebral cortex (IC50=51.2 nM). Zanapezil fumarate shows a moderate inhibition of muscarinic M1 and M2 receptor binding with Ki values of 234 and 340 nM, respectively. Zanapezil fumarate can be used for the research of early stages of Alzheimer's disease (AD).
    Zanapezil fumarate
  • HY-145780
    Cytidine 5′-diphosphoethanolamine
    		Activator 99.29%
    Cytidine 5′-diphosphoethanolamine is an intermediate compound in the synthesis of phosphatidylethanolamine. Cytidine 5′-diphosphoethanolamine is a stimulant of Ach synthesis.
    Cytidine 5′-diphosphoethanolamine
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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