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-16183A
    Echothiopate chloride
    		Inhibitor
    Echothiophate (Echothiophate) chloride is a highly effective, long-lasting cholinesterase inhibitor employed as a miotic for managing glaucoma. Echothiopate chloride forms a covalent bond with the serine residue at the active site of cholinesterase through its phosphate group, rendering the enzyme permanently inactive and necessitating the synthesis of new enzymes by the cell. Given its irreversible binding to cholinesterase and the extremely slow rate of hydrolysis, the effects of echothiophate can persist for a week or longer. Echothiopate chloride is utilized as an ocular antihypertensive agent in the treatment of chronic glaucoma and, in certain cases, accommodative esotropia.
    Echothiopate chloride
  • HY-N6619A
    Lycoramine
    		Inhibitor 99.83%
    Lycoramine, a dihydro-derivative of galanthamine, is isolated from Lycoris radiate. Lycoramine is a potent acetylcholinesterase (AChE) inhibitor.
    Lycoramine
  • HY-147939
    AChE/BuChE-IN-3
    		Inhibitor
    AChE/BuChE-IN-3 is a potent and blood-brain barrier (BBB) penetrant AChE and BuChE dual inhibitor with IC50s of 0.65 μM and 5.77 μM for AChE and BuChE. AChE/BuChE-IN-3 also inhibits Aβ1-42 aggregation. AChE/BuChE-IN-3 has effectively neuroprotective activities and nearly no toxicity on SH-SY5Y cells. AChE/BuChE-IN-3 can be used for researching Alzheimer's disease.
    AChE/BuChE-IN-3
  • HY-156754
    3β-Hydroxy-lup-20(29)-en-16-one
    		Inhibitor
    3β-Hydroxy-lup-20(29)-en-16-one (compound 9) is a dual inhibitor of AChE and BChE, with selectivity for BChE (IC50: 28.9 μM).
    3β-Hydroxy-lup-20(29)-en-16-one
  • HY-159880
    AChE/BChE-IN-24
    		Inhibitor
    AChE/BChE-IN-24 (compound 5k) is a neuroprotective agent through cholinesterase inhibition. AChE/BChE-IN-24 inhibits AChE and BChE with IC50 values of 16.38 μM and 10.44 μM, respectively.
    AChE/BChE-IN-24
  • HY-152114
    AChE/BChE/MAO-B-IN-4
    		Inhibitor
    AChE/BChE/MAO-B-IN-4, an indan-1-one derivative, is a potent MAO-B inhibitor with an IC50 of 0.0393 μM for human MAO-B. AChE/BChE/MAO-B-IN-4 is a potent AChE and BChE enzyme inhibitor, with IC50s of 0.0458 μM and 0.075 μM for human AChE and BChE enzyme, respectively. AChE/BChE/MAO-B-IN-4 shows significant antioxidant activity and prevent β-amyloid plaque aggregation. AChE/BChE/MAO-B-IN-4 has the potential for Alzheimer's disease (AD) research.
    AChE/BChE/MAO-B-IN-4
  • HY-163514
    hAChE-IN-8
    		Inhibitor
    hAChE-IN-8 (Compound S-12) is a orally effective and selective inhibitor of hAChE (IC50=0.486 μM). hAChE-IN-8 also inhibits BACE-1 (IC50=0.542 μM), and does not inhibit Dyrk1A (IC50>10 μM). hAChE-IN-8 can reduce Aβ aggregation, has good blood-brain barrier penetration. hAChE-IN-8 is mainly used in Alzheimer's disease research.
    hAChE-IN-8
  • HY-155365
    hAChE-IN-5
    		Inhibitor
    hAChE-IN-5 (compound 49) is a potent hAChE and hBuChE inhibitor with IC50 values of 0.17 μM and 0.17 μM, respectively. hAChE-IN-5 shows potent GSK3β inhibition with an IC50 value of 0.21 μM. hAChE-IN-5 is used as tau protein aggregation and Aβ1-42 self-aggregation inhibitor. hAChE-IN-5 can bind virtually with the PAS affecting Aβ aggregation, thus preventing Aβ-dependent neurotoxicity. hAChE-IN-5 can penetrate BBB and has the potential for multi-targeted anti-Alzheimer's agents research.
    hAChE-IN-5
  • HY-49373
    AChE-IN-64
    		Inhibitor
    AChE-IN-64 (compound C4) is an AChE inhibitor (IC50: 36.9 µM), and can be used for cognitive disorders research.
    AChE-IN-64
  • HY-162681
    eeAChE-IN-3
    		Inhibitor
    eeAChE-IN-3 (compound YS3g) is an orally active, potent EeAChE and IL-6 inhibitor with IC50s of 0.54 μM, 0.49 μM, 8.54 μM and 0.57 μM for EeAChE, RatAChE, RatBuChE and IL-6, respectively. eeAChE-IN-3 improves STZ (HY-13753) (Streptozotocin; HY-13753)-induced learning and memory impairment in mice. eeAChE-IN-3 has the potential for Alzheimer's disease (AD) research.
    eeAChE-IN-3
  • HY-161156
    BChE-IN-26
    		Inhibitor
    BChE-IN-26 (Compound 7b) is a selective AChE and BChE inhibitor with Ki value of 35 μM and 1.6 μM. BChE-IN-26 has cytotoxicity to human neuroblastoma (SH-SY5Y) cell line. BChE-IN-26 can be used for the research of Alzheimer’s disease.
    BChE-IN-26
  • HY-N7480A
    Quinolactacin A1
    		Inhibitor
    Quinolactacin A1 is a potent acetylcholinesterase (AChE) inhibitor from solid state fermentation of Penicillium citrinum 90648. Quinolactacin A1 can be used for the research of Alzheimer disease.
    Quinolactacin A1
  • HY-147954
    α-Glycosidase-IN-1
    		Inhibitor
    α-Glycosidase-IN-1 (compound MZ7) is a potent α-GLY (α-Glycosidase) inhibitor, with an IC50 of 44.72 nM and a KI of 41.74 nM. α-Glycosidase-IN-1 also shows inhibition profile against human carbonic anhydrase isoenzymes I and II (hCA I and hCA II), and acetylcholinesterase (AChE), with IC50 values of 104.87, 100.04, and 654.87 nM, respectively. α-Glycosidase-IN-1 can be used for the research of many diseases such as diabetes, Alzheimer’s disease, heart failure, ulcer, and epilepsy.
    α-Glycosidase-IN-1
  • HY-162639
    α-Glucosidase-IN-68
    		Inhibitor
    α-Glucosidase-IN-68 (Compound 2) is an inhibitor for α-Glucosidase, AChE, and BChE, with IC50 of 0.251, 0.774 and 0.793 μM, respectively. α-Glucosidase-IN-68 exhibits antioxidant efficacy, with IC50 of 0.69 μM and 0.02 μM, in DPPH and ABTS experiments. α-Glucosidase-IN-68 exhibits antidiabetic effect in Streptozotocin (HY-13753)-induced diabetic rat models.
    α-Glucosidase-IN-68
  • HY-153432
    TRV-7019
    		99.64%
    TRV-7019 is a BBB-penetrable radioligand for brain imaging that target butyrylcholinesterase. TRV-7019 can be used for the diagnosis of an amyloid disease, multiple sclerosis, a brain tumor, or butyrylcholinesterase activity.
    TRV-7019
  • HY-147880
    BChE-IN-9
    		Inhibitor
    BChE-IN-9 (Azepano-11-deoxo-glycyrrhetol) is a mixed type BChE inhibitor with a Ki of 0.21 µM.
    BChE-IN-9
  • HY-150545
    AChE-IN-21
    		Inhibitor
    AChE-IN-21 (Compound I-8) is a potent, selective and orally active AChE inhibitor with an IC50 of 2.66 nM. AChE-IN-21 displays excellent BBB permeability in vitro.
    AChE-IN-21
  • HY-143464
    BChE-IN-4
    		Inhibitor
    BChE-IN-4 is a potent and cross the blood-brain barrier BChE inhibitor. BChE-IN-4 attenuates learning and memory deficits caused by cholinergic deficit in mouse model. BChE-IN-4 has the potential for the research of alzheimer’s disease.
    BChE-IN-4
  • HY-161842
    AChE-IN-67
    		Inhibitor
    AChE-IN-67 (compound 8n) is a potent AChE inhibitor, with an IC50 of 0.033 μM. AChE-IN-67 exhibits activity similar to Donepezil (HY-14566). AChE-IN-67 exhibits high blood-brain barrier (BBB) permeability. AChE-IN-67 can be used for Alzheimer's disease research.
    AChE-IN-67
  • HY-173152
    AChE/BChE-IN-26
    		Inhibitor
    AChE/BChE-IN-26 (Compound 20aa) is a cholinesterase inhibitor with IC50 values of 0.75 μM and 4.11 μM against eeAChE and eqBChE, respectively. AChE/BChE-IN-26 has antioxidant activity and can be used in the research of diseases such as Alzheimer's disease.
    AChE/BChE-IN-26
Cat. No. Product Name / Synonyms Application Reactivity
Cholinesterase (ChE) Isoform Comparison

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