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"This new data makes it clear they are a starting point, not a cure," said Garron Dodd, a metabolic neuroscience researcher at the University of Melbourne, not involved in the study
Ryle PR, Thomson AD
Values represent uptake after subtraction of background signal from empty liposome control
Melanocytes use an enzyme called tyrosinase to convert the amino acid tyrosine into eumelanin, which is a dark brown pigment
Metformin reduces B12 absorption by 10 to 30% over long-term use
This reaction simultaneously depletes two critically important metabolic cofactors: SAM (the universal methyl donor for hundreds of epigenetic and biosynthetic reactions) and nicotinamide (the precursor for NAD+ biosynthesis via the salvage pathway)
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