Butyrylcholinesterase

Butyrylcholinesterase (pronounced: byoo-tuh-ree-koh-lin-ES-ter-ase), also known as BChE or serum cholinesterase, is an enzyme that hydrolyzes choline-based esters, a type of biochemical reaction.

Etymology

The term "Butyrylcholinesterase" is derived from its function and the substances it acts upon. "Butyryl" refers to the butyryl group (C4H7O), "choline" is a quaternary ammonium salt containing the N,N,N-trimethylethanolammonium cation, and "esterase" is an enzyme that breaks down esters.

Function

Butyrylcholinesterase is primarily found in the liver, and its main function is to hydrolyze esters, including butyrylcholine and acetylcholine. It plays a crucial role in the cholinergic system, which is involved in numerous physiological functions, including muscle contraction, heart rate, and memory.

Related Terms

Acetylcholinesterase: Another cholinesterase enzyme that is more specific to acetylcholine.
Cholinergic: Referring to cells that use acetylcholine as their synaptic transmitter.
Choline: A nutrient that is essential for maintaining the structure of cell membranes and plays a vital role in acetylcholine synthesis.
Ester: A compound made by replacing the hydrogen of an acid by an alkyl or other organic group.

External links

Medical encyclopedia article on Butyrylcholinesterase
Wikipedia's article - Butyrylcholinesterase

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Butyrylcholinesterase