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Metformin and the risk of cancer: time-related biases in observational studies
The alpha-amino nitrogen of the glycine, the deprotonated amide nitrogen of the peptide bond between glycine and histidine, and an imidazole nitrogen of the histidine side chain form the primary coordination sphere
This means AUD is not just a disease of the brain, but the gut may be involved too
L-carnitine can be directly transformed into TMA via intestinal flora-derived CntA/CntB , and also into -butyrobetaine and betaine, and further converted to TMA through the yeaW/yeaX enzyme system of intestinal flora (36)
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