Article
Trimethylamine-N-oxide, a metabolite associated with atherosclerosis, exhibits complex genetic and dietary regulation.
Cell metabolism - 8 Jan 2013
Bennett Brian J, de Aguiar Vallim Thomas Q, Wang Zeneng, Shih Diana M, Meng Yonghong, Gregory Jill, Allayee Hooman, Lee Richard, Graham Mark, Crooke Rosanne, Edwards Peter A, Hazen Stanley L, Lusis Aldons J
Abstract excerpt
Circulating trimethylamine-N-oxide (TMAO) levels are strongly associated with atherosclerosis. We now examine genetic, dietary, and hormonal factors regulating TMAO levels. We demonstrate that two flavin mono-oxygenase family members, FMO1 and FMO3, oxidize trimethylamine (TMA), derived from gut flora metabolism of choline, to TMAO. Further, we show that FMO3 exhibits 10-fold higher specific activity than FMO1....
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