Anticholinesterase Chemical Properties

storage temp. 

-20°C

solubility 

H₂O: 1 mg/mL

form 

powder

color 

slightly yellow

Safety Information

Hazard Codes 

B

WGK Germany 

3

F 

10-21

Toxicity

The inhibition of AChE by these anticholinesterases leads to an accumulation of endogenous ACh, and thus results in hyperactivation of cholinergic receptors. Signs of acute poisoning can include irritability, tremors, convulsions, and predominately parasympathetic effects, with death usually the result of respiratory failure. Since AChE is contained in erythrocytes, the assay of erythrocyte AChE activity can be used as a diagnostic tool to assess exposure to organophosphorus anticholinesterases.

MSDS

• Language:English Provider:SigmaAldrich

Anticholinesterase Usage And Synthesis

Uses

Pesticides.

Uses

Acetylcholinesterase (AChE) from Sigma has been used in the structure-activity study of phosphoramido acid esters as inhibitors of AChE.

Uses

Acetylcholinesterase from Electrophorus electricus (electric eel) has been used:

• in acetylcholinesterase activity assay
• to study its effects on Xenopus embryonic hippocampal cells
• to study the effect of acetylcholine inhibitors on development and plasticity

Definition

Any substance that inhibits or inactivates acetylcholinesterase, thereby preventing the hydrolysis of acetylcholine. Their action leads to an accumulation of endogenous acetylcholine with a resultant hyperactivity of cholinergic neurons, which can prove lethal.

General Description

Predominantly exists as a tetrameric glycoprotein composed of disulfide-linked homodimers with a monomer MW of ~80 kDa.

Hazard

Tremors; convulsions; respiratory failure; death.

Biochem/physiol Actions

Acetylcholinesterase (AChE) is regarded as a biomarker in neurotoxicity. It is a modulator of nitric oxide signal transduction pathway and marker of membrane integrity and aging. The levels of erythrocyte (RBC) AChE are affected on pesticide exposure and in hemolytic anemia. RBC AChE is a marker in Hirschsprung′s disease and inflammation.

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