Gut microbe derived metabolite trimethylamine N oxide activates PERK to drive fibrogenic mesenchymal differentiation: iScience TMAO: The Gut Metabolite Linking Red Meat to Cardiovascular Disease What Is TMAO and How Can We Reduce Our Levels? Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Emerging role of trimethylamine N oxide (TMAO) in colorectal cancer Applied Microbiology and Biotechnology Springer Nature Link