Choline and Choline Metabolites Analysis Service
Choline is found in various forms in humans and animals. The water-soluble choline metabolites include acetylcholine (ACho), an important neurotransmitter for brain and neuromuscular function, betaine (Bet), an oxidative intermediate of choline which supplies a methyl group for the conversion of homocysteine to methionine, and glycerophosphocholine (GPCho), which like Bet acts as an organic osmolyte in cells. The lipid-soluble choline-containing metabolites phosphatidylcholine (PC), sphingomyelin (SM), and lysophosphatidylcholine (LPC) are all structural components of mammalian membranes.
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